summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorgibbs <gibbs@FreeBSD.org>1997-06-27 19:36:27 +0000
committergibbs <gibbs@FreeBSD.org>1997-06-27 19:36:27 +0000
commit8023e6ade65c4a8413c51356b0f530bb3ecab092 (patch)
treea0e1fbbeb3fe3e8e27e26acc924f37410cfa8fa4
parent97f50d063cec0cfb8b7b4e630c58c3ebd7acc097 (diff)
downloadFreeBSD-src-8023e6ade65c4a8413c51356b0f530bb3ecab092.zip
FreeBSD-src-8023e6ade65c4a8413c51356b0f530bb3ecab092.tar.gz
KNF cleanup.
-rw-r--r--sys/dev/ie/if_ie.c3178
-rw-r--r--sys/i386/isa/if_ie.c3178
2 files changed, 3186 insertions, 3170 deletions
diff --git a/sys/dev/ie/if_ie.c b/sys/dev/ie/if_ie.c
index bd923ea2..1ddc30c 100644
--- a/sys/dev/ie/if_ie.c
+++ b/sys/dev/ie/if_ie.c
@@ -47,7 +47,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: if_ie.c,v 1.41 1997/04/14 00:37:50 gibbs Exp $
+ * $Id: if_ie.c,v 1.42 1997/05/21 18:26:09 gibbs Exp $
*/
/*
@@ -57,7 +57,7 @@
* Written by GAW with reference to the Clarkson Packet Driver code for this
* chip written by Russ Nelson and others.
*
- * Intel EtherExpress 16 support from if_ix.c, written by Rodney W. Grimes.
+ * Intel EtherExpress 16 support from if_ix.c, written by Rodney W. Grimes.
*/
/*
@@ -164,99 +164,102 @@ iomem and and with 0xffff.
#endif
#ifdef DEBUG
-#define IED_RINT 0x01
-#define IED_TINT 0x02
-#define IED_RNR 0x04
-#define IED_CNA 0x08
-#define IED_READFRAME 0x10
-int ie_debug = IED_RNR;
+#define IED_RINT 0x01
+#define IED_TINT 0x02
+#define IED_RNR 0x04
+#define IED_CNA 0x08
+#define IED_READFRAME 0x10
+int ie_debug = IED_RNR;
+
#endif
-#define IE_BUF_LEN ETHER_MAX_LEN /* length of transmit buffer */
+#define IE_BUF_LEN ETHER_MAX_LEN /* length of transmit buffer */
/* Forward declaration */
struct ie_softc;
static struct mbuf *last_not_for_us;
-static int ieprobe(struct isa_device *dvp);
-static int ieattach(struct isa_device *dvp);
-static int sl_probe(struct isa_device *dvp);
-static int el_probe(struct isa_device *dvp);
-static int ni_probe(struct isa_device *dvp);
-static int ee16_probe(struct isa_device *dvp);
-
-static int check_ie_present __P((int unit, caddr_t where, unsigned size));
-static void ieinit(int unit);
-static void ie_stop __P((int unit));
-static int ieioctl(struct ifnet *ifp, int command, caddr_t data);
-static void iestart(struct ifnet *ifp);
-
-static void el_reset_586(int unit);
-static void el_chan_attn(int unit);
-
-static void sl_reset_586(int unit);
-static void sl_chan_attn(int unit);
-
-static void ee16_reset_586(int unit);
-static void ee16_chan_attn(int unit);
-static void ee16_interrupt_enable __P((struct ie_softc *ie));
-static void ee16_eeprom_outbits __P((struct ie_softc *ie, int edata, int cnt));
-static void ee16_eeprom_clock __P((struct ie_softc *ie, int state));
-static u_short ee16_read_eeprom __P((struct ie_softc *ie, int location));
-static int ee16_eeprom_inbits __P((struct ie_softc *ie));
-static void ee16_shutdown(int howto, void *sc);
-
-static void iereset(int unit);
-static void ie_readframe(int unit, struct ie_softc *ie, int bufno);
-static void ie_drop_packet_buffer(int unit, struct ie_softc *ie);
-static void sl_read_ether(int unit, unsigned char addr[6]);
-static void find_ie_mem_size(int unit);
-static void chan_attn_timeout __P((void * rock));
-static int command_and_wait(int unit, int command, void volatile *pcmd, int);
-static void run_tdr __P((int unit, struct ie_tdr_cmd *cmd));
-static int ierint(int unit, struct ie_softc *ie);
-static int ietint(int unit, struct ie_softc *ie);
-static int iernr(int unit, struct ie_softc *ie);
-static void start_receiver(int unit);
-static int ieget(int, struct ie_softc *, struct mbuf **,
- struct ether_header *, int *);
-static caddr_t setup_rfa(caddr_t ptr, struct ie_softc *ie);
-static int mc_setup(int, caddr_t, volatile struct ie_sys_ctl_block *);
-static void ie_mc_reset(int unit);
+static int ieprobe(struct isa_device * dvp);
+static int ieattach(struct isa_device * dvp);
+static int sl_probe(struct isa_device * dvp);
+static int el_probe(struct isa_device * dvp);
+static int ni_probe(struct isa_device * dvp);
+static int ee16_probe(struct isa_device * dvp);
+
+static int check_ie_present(int unit, caddr_t where, unsigned size);
+static void ieinit(int unit);
+static void ie_stop(int unit);
+static int ieioctl(struct ifnet * ifp, int command, caddr_t data);
+static void iestart(struct ifnet * ifp);
+
+static void el_reset_586(int unit);
+static void el_chan_attn(int unit);
+
+static void sl_reset_586(int unit);
+static void sl_chan_attn(int unit);
+
+static void ee16_reset_586(int unit);
+static void ee16_chan_attn(int unit);
+static void ee16_interrupt_enable(struct ie_softc * ie);
+static void ee16_eeprom_outbits(struct ie_softc * ie, int edata, int cnt);
+static void ee16_eeprom_clock(struct ie_softc * ie, int state);
+static u_short ee16_read_eeprom(struct ie_softc * ie, int location);
+static int ee16_eeprom_inbits(struct ie_softc * ie);
+static void ee16_shutdown(int howto, void *sc);
+
+static void iereset(int unit);
+static void ie_readframe(int unit, struct ie_softc * ie, int bufno);
+static void ie_drop_packet_buffer(int unit, struct ie_softc * ie);
+static void sl_read_ether(int unit, unsigned char addr[6]);
+static void find_ie_mem_size(int unit);
+static void chan_attn_timeout(void *rock);
+static int command_and_wait(int unit, int command,
+ void volatile * pcmd, int);
+static void run_tdr(int unit, struct ie_tdr_cmd * cmd);
+static int ierint(int unit, struct ie_softc * ie);
+static int ietint(int unit, struct ie_softc * ie);
+static int iernr(int unit, struct ie_softc * ie);
+static void start_receiver(int unit);
+static int ieget(int, struct ie_softc *, struct mbuf **,
+ struct ether_header *, int *);
+static caddr_t setup_rfa(caddr_t ptr, struct ie_softc * ie);
+static int mc_setup(int, caddr_t, volatile struct ie_sys_ctl_block *);
+static void ie_mc_reset(int unit);
#ifdef DEBUG
-void print_rbd(volatile struct ie_recv_buf_desc *rbd);
+void print_rbd(volatile struct ie_recv_buf_desc * rbd);
+
+int in_ierint = 0;
+int in_ietint = 0;
-int in_ierint = 0;
-int in_ietint = 0;
#endif
/*
* This tells the autoconf code how to set us up.
*/
struct isa_driver iedriver = {
- ieprobe, ieattach, "ie",
+ ieprobe, ieattach, "ie",
};
enum ie_hardware {
- IE_STARLAN10,
- IE_EN100,
- IE_SLFIBER,
- IE_3C507,
- IE_NI5210,
- IE_EE16,
- IE_UNKNOWN
+ IE_STARLAN10,
+ IE_EN100,
+ IE_SLFIBER,
+ IE_3C507,
+ IE_NI5210,
+ IE_EE16,
+ IE_UNKNOWN
};
static const char *ie_hardware_names[] = {
- "StarLAN 10",
- "EN100",
- "StarLAN Fiber",
- "3C507",
- "NI5210",
- "EtherExpress 16",
- "Unknown"
+ "StarLAN 10",
+ "EN100",
+ "StarLAN Fiber",
+ "3C507",
+ "NI5210",
+ "EtherExpress 16",
+ "Unknown"
};
/*
@@ -283,53 +286,50 @@ With a larger memory, it would be possible to roughly double the number of
both transmit and receive buffers.
*/
-#define NFRAMES 8 /* number of receive frames */
-#define NRXBUFS 48 /* number of buffers to allocate */
-#define IE_RBUF_SIZE 256 /* size of each buffer,
- * MUST BE POWER OF TWO
- */
-#define NTXBUFS 2 /* number of transmit commands */
+#define NFRAMES 8 /* number of receive frames */
+#define NRXBUFS 48 /* number of buffers to allocate */
+#define IE_RBUF_SIZE 256 /* size of each buffer, MUST BE POWER OF TWO */
+#define NTXBUFS 2 /* number of transmit commands */
#define IE_TBUF_SIZE ETHER_MAX_LEN /* size of transmit buffer */
/*
* Ethernet status, per interface.
*/
static struct ie_softc {
- struct arpcom arpcom;
- void (*ie_reset_586)(int);
- void (*ie_chan_attn)(int);
- enum ie_hardware hard_type;
- int hard_vers;
-
- u_short port; /* i/o base address for this interface */
- caddr_t iomem; /* memory size */
- caddr_t iomembot; /* memory base address */
- unsigned iosize;
- int bus_use; /* 0 means 16bit, 1 means 8 bit adapter */
-
- int want_mcsetup;
- int promisc;
- int nframes;
- int nrxbufs;
- int ntxbufs;
- volatile struct ie_int_sys_conf_ptr *iscp;
- volatile struct ie_sys_ctl_block *scb;
- volatile struct ie_recv_frame_desc **rframes; /* nframes worth */
- volatile struct ie_recv_buf_desc **rbuffs; /* nrxbufs worth */
- volatile u_char **cbuffs; /* nrxbufs worth */
- int rfhead, rftail, rbhead, rbtail;
-
- volatile struct ie_xmit_cmd **xmit_cmds; /* ntxbufs worth */
- volatile struct ie_xmit_buf **xmit_buffs; /* ntxbufs worth */
- u_char **xmit_cbuffs; /* ntxbufs worth */
- int xmit_count;
-
- struct ie_en_addr mcast_addrs[MAXMCAST + 1];
- int mcast_count;
-
- u_short irq_encoded; /* encoded interrupt on IEE16 */
-
-} ie_softc[NIE];
+ struct arpcom arpcom;
+ void (*ie_reset_586) (int);
+ void (*ie_chan_attn) (int);
+ enum ie_hardware hard_type;
+ int hard_vers;
+
+ u_short port; /* i/o base address for this interface */
+ caddr_t iomem; /* memory size */
+ caddr_t iomembot; /* memory base address */
+ unsigned iosize;
+ int bus_use; /* 0 means 16bit, 1 means 8 bit adapter */
+
+ int want_mcsetup;
+ int promisc;
+ int nframes;
+ int nrxbufs;
+ int ntxbufs;
+ volatile struct ie_int_sys_conf_ptr *iscp;
+ volatile struct ie_sys_ctl_block *scb;
+ volatile struct ie_recv_frame_desc **rframes; /* nframes worth */
+ volatile struct ie_recv_buf_desc **rbuffs; /* nrxbufs worth */
+ volatile u_char **cbuffs; /* nrxbufs worth */
+ int rfhead, rftail, rbhead, rbtail;
+
+ volatile struct ie_xmit_cmd **xmit_cmds; /* ntxbufs worth */
+ volatile struct ie_xmit_buf **xmit_buffs; /* ntxbufs worth */
+ u_char **xmit_cbuffs; /* ntxbufs worth */
+ int xmit_count;
+
+ struct ie_en_addr mcast_addrs[MAXMCAST + 1];
+ int mcast_count;
+
+ u_short irq_encoded; /* encoded interrupt on IEE16 */
+} ie_softc[NIE];
#define MK_24(base, ptr) ((caddr_t)((u_long)ptr - (u_long)base))
#define MK_16(base, ptr) ((u_short)(u_long)MK_24(base, ptr))
@@ -338,241 +338,235 @@ static struct ie_softc {
#define MEM ie_softc[unit].iomem
int
-ieprobe(dvp)
- struct isa_device *dvp;
+ieprobe(struct isa_device *dvp)
{
- int ret;
+ int ret;
- ret = sl_probe(dvp);
- if (!ret) ret = el_probe(dvp);
- if (!ret) ret = ni_probe(dvp);
- if (!ret) ret = ee16_probe(dvp);
+ ret = sl_probe(dvp);
+ if (!ret)
+ ret = el_probe(dvp);
+ if (!ret)
+ ret = ni_probe(dvp);
+ if (!ret)
+ ret = ee16_probe(dvp);
- return (ret);
+ return (ret);
}
static int
-sl_probe(dvp)
- struct isa_device *dvp;
+sl_probe(struct isa_device *dvp)
{
- int unit = dvp->id_unit;
- u_char c;
-
- ie_softc[unit].port = dvp->id_iobase;
- ie_softc[unit].iomembot = dvp->id_maddr;
- ie_softc[unit].iomem = 0;
- ie_softc[unit].bus_use = 0;
-
- c = inb(PORT + IEATT_REVISION);
- switch(SL_BOARD(c)) {
- case SL10_BOARD:
- ie_softc[unit].hard_type = IE_STARLAN10;
- ie_softc[unit].ie_reset_586 = sl_reset_586;
- ie_softc[unit].ie_chan_attn = sl_chan_attn;
- break;
- case EN100_BOARD:
- ie_softc[unit].hard_type = IE_EN100;
- ie_softc[unit].ie_reset_586 = sl_reset_586;
- ie_softc[unit].ie_chan_attn = sl_chan_attn;
- break;
- case SLFIBER_BOARD:
- ie_softc[unit].hard_type = IE_SLFIBER;
- ie_softc[unit].ie_reset_586 = sl_reset_586;
- ie_softc[unit].ie_chan_attn = sl_chan_attn;
- break;
-
- /*
- * Anything else is not recognized or cannot be used.
- */
- default:
- return 0;
- }
-
- ie_softc[unit].hard_vers = SL_REV(c);
-
- /*
- * Divine memory size on-board the card. Ususally 16k.
- */
- find_ie_mem_size(unit);
-
- if(!ie_softc[unit].iosize) {
- return 0;
- }
-
- dvp->id_msize = ie_softc[unit].iosize;
-
- switch(ie_softc[unit].hard_type) {
- case IE_EN100:
- case IE_STARLAN10:
- case IE_SLFIBER:
- sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
- break;
-
- default:
- printf("ie%d: unknown AT&T board type code %d\n", unit,
- ie_softc[unit].hard_type);
- return 0;
- }
-
- return 1;
+ int unit = dvp->id_unit;
+ u_char c;
+
+ ie_softc[unit].port = dvp->id_iobase;
+ ie_softc[unit].iomembot = dvp->id_maddr;
+ ie_softc[unit].iomem = 0;
+ ie_softc[unit].bus_use = 0;
+
+ c = inb(PORT + IEATT_REVISION);
+ switch (SL_BOARD(c)) {
+ case SL10_BOARD:
+ ie_softc[unit].hard_type = IE_STARLAN10;
+ ie_softc[unit].ie_reset_586 = sl_reset_586;
+ ie_softc[unit].ie_chan_attn = sl_chan_attn;
+ break;
+ case EN100_BOARD:
+ ie_softc[unit].hard_type = IE_EN100;
+ ie_softc[unit].ie_reset_586 = sl_reset_586;
+ ie_softc[unit].ie_chan_attn = sl_chan_attn;
+ break;
+ case SLFIBER_BOARD:
+ ie_softc[unit].hard_type = IE_SLFIBER;
+ ie_softc[unit].ie_reset_586 = sl_reset_586;
+ ie_softc[unit].ie_chan_attn = sl_chan_attn;
+ break;
+
+ /*
+ * Anything else is not recognized or cannot be used.
+ */
+ default:
+ return (0);
+ }
+
+ ie_softc[unit].hard_vers = SL_REV(c);
+
+ /*
+ * Divine memory size on-board the card. Ususally 16k.
+ */
+ find_ie_mem_size(unit);
+
+ if (!ie_softc[unit].iosize) {
+ return (0);
+ }
+ dvp->id_msize = ie_softc[unit].iosize;
+
+ switch (ie_softc[unit].hard_type) {
+ case IE_EN100:
+ case IE_STARLAN10:
+ case IE_SLFIBER:
+ sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
+ break;
+
+ default:
+ printf("ie%d: unknown AT&T board type code %d\n", unit,
+ ie_softc[unit].hard_type);
+ return (0);
+ }
+
+ return (1);
}
static int
-el_probe(dvp)
- struct isa_device *dvp;
+el_probe(struct isa_device *dvp)
{
- struct ie_softc *sc = &ie_softc[dvp->id_unit];
- u_char c;
- int i;
- u_char signature[] = "*3COM*";
- int unit = dvp->id_unit;
-
- sc->port = dvp->id_iobase;
- sc->iomembot = dvp->id_maddr;
- sc->bus_use = 0;
-
- /* Need this for part of the probe. */
- sc->ie_reset_586 = el_reset_586;
- sc->ie_chan_attn = el_chan_attn;
-
- /* Reset and put card in CONFIG state without changing address. */
- elink_reset();
- outb(ELINK_ID_PORT, 0x00);
- elink_idseq(ELINK_507_POLY);
- elink_idseq(ELINK_507_POLY);
- outb(ELINK_ID_PORT, 0xff);
-
- c = inb(PORT + IE507_MADDR);
- if(c & 0x20) {
+ struct ie_softc *sc = &ie_softc[dvp->id_unit];
+ u_char c;
+ int i;
+ u_char signature[] = "*3COM*";
+ int unit = dvp->id_unit;
+
+ sc->port = dvp->id_iobase;
+ sc->iomembot = dvp->id_maddr;
+ sc->bus_use = 0;
+
+ /* Need this for part of the probe. */
+ sc->ie_reset_586 = el_reset_586;
+ sc->ie_chan_attn = el_chan_attn;
+
+ /* Reset and put card in CONFIG state without changing address. */
+ elink_reset();
+ outb(ELINK_ID_PORT, 0x00);
+ elink_idseq(ELINK_507_POLY);
+ elink_idseq(ELINK_507_POLY);
+ outb(ELINK_ID_PORT, 0xff);
+
+ c = inb(PORT + IE507_MADDR);
+ if (c & 0x20) {
#ifdef DEBUG
- printf("ie%d: can't map 3C507 RAM in high memory\n", unit);
+ printf("ie%d: can't map 3C507 RAM in high memory\n", unit);
#endif
- return 0;
- }
+ return (0);
+ }
+ /* go to RUN state */
+ outb(ELINK_ID_PORT, 0x00);
+ elink_idseq(ELINK_507_POLY);
+ outb(ELINK_ID_PORT, 0x00);
- /* go to RUN state */
- outb(ELINK_ID_PORT, 0x00);
- elink_idseq(ELINK_507_POLY);
- outb(ELINK_ID_PORT, 0x00);
+ outb(PORT + IE507_CTRL, EL_CTRL_NRST);
- outb(PORT + IE507_CTRL, EL_CTRL_NRST);
+ for (i = 0; i < 6; i++)
+ if (inb(PORT + i) != signature[i])
+ return (0);
- for (i = 0; i < 6; i++)
- if (inb(PORT + i) != signature[i])
- return 0;
+ c = inb(PORT + IE507_IRQ) & 0x0f;
- c = inb(PORT + IE507_IRQ) & 0x0f;
+ if (dvp->id_irq != (1 << c)) {
+ printf("ie%d: kernel configured irq %d "
+ "doesn't match board configured irq %d\n",
+ unit, ffs(dvp->id_irq) - 1, c);
+ return (0);
+ }
+ c = (inb(PORT + IE507_MADDR) & 0x1c) + 0xc0;
- if (dvp->id_irq != (1 << c)) {
- printf("ie%d: kernel configured irq %d doesn't match board configured irq %d\n",
- unit, ffs(dvp->id_irq) - 1, c);
- return 0;
- }
+ if (kvtop(dvp->id_maddr) != ((int) c << 12)) {
+ printf("ie%d: kernel configured maddr %lx "
+ "doesn't match board configured maddr %x\n",
+ unit, kvtop(dvp->id_maddr), (int) c << 12);
+ return (0);
+ }
+ outb(PORT + IE507_CTRL, EL_CTRL_NORMAL);
- c = (inb(PORT + IE507_MADDR) & 0x1c) + 0xc0;
+ sc->hard_type = IE_3C507;
+ sc->hard_vers = 0; /* 3C507 has no version number. */
- if (kvtop(dvp->id_maddr) != ((int)c << 12)) {
- printf("ie%d: kernel configured maddr %lx doesn't match board configured maddr %x\n",
- unit, kvtop(dvp->id_maddr),(int)c << 12);
- return 0;
- }
+ /*
+ * Divine memory size on-board the card.
+ */
+ find_ie_mem_size(unit);
- outb(PORT + IE507_CTRL, EL_CTRL_NORMAL);
+ if (!sc->iosize) {
+ printf("ie%d: can't find shared memory\n", unit);
+ outb(PORT + IE507_CTRL, EL_CTRL_NRST);
+ return (0);
+ }
+ if (!dvp->id_msize)
+ dvp->id_msize = sc->iosize;
+ else if (dvp->id_msize != sc->iosize) {
+ printf("ie%d: kernel configured msize %d "
+ "doesn't match board configured msize %d\n",
+ unit, dvp->id_msize, sc->iosize);
+ outb(PORT + IE507_CTRL, EL_CTRL_NRST);
+ return (0);
+ }
+ sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
- sc->hard_type = IE_3C507;
- sc->hard_vers = 0; /* 3C507 has no version number. */
+ /* Clear the interrupt latch just in case. */
+ outb(PORT + IE507_ICTRL, 1);
- /*
- * Divine memory size on-board the card.
- */
- find_ie_mem_size(unit);
+ return (16);
+}
- if (!sc->iosize) {
- printf("ie%d: can't find shared memory\n", unit);
- outb(PORT + IE507_CTRL, EL_CTRL_NRST);
- return 0;
- }
- if(!dvp->id_msize)
- dvp->id_msize = sc->iosize;
- else if (dvp->id_msize != sc->iosize) {
- printf("ie%d: kernel configured msize %d doesn't match board configured msize %d\n",
- unit, dvp->id_msize, sc->iosize);
- outb(PORT + IE507_CTRL, EL_CTRL_NRST);
- return 0;
- }
+static int
+ni_probe(struct isa_device *dvp)
+{
+ int unit = dvp->id_unit;
+ int boardtype, c;
+
+ ie_softc[unit].port = dvp->id_iobase;
+ ie_softc[unit].iomembot = dvp->id_maddr;
+ ie_softc[unit].iomem = 0;
+ ie_softc[unit].bus_use = 1;
+
+ boardtype = inb(PORT + IEATT_REVISION);
+ c = inb(PORT + IEATT_REVISION + 1);
+ boardtype = boardtype + (c << 8);
+ switch (boardtype) {
+ case 0x5500: /* This is the magic cookie for the NI5210 */
+ ie_softc[unit].hard_type = IE_NI5210;
+ ie_softc[unit].ie_reset_586 = sl_reset_586;
+ ie_softc[unit].ie_chan_attn = sl_chan_attn;
+ break;
- sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
+ /*
+ * Anything else is not recognized or cannot be used.
+ */
+ default:
+ return (0);
+ }
- /* Clear the interrupt latch just in case. */
- outb(PORT + IE507_ICTRL, 1);
+ ie_softc[unit].hard_vers = 0;
- return 16;
-}
+ /*
+ * Divine memory size on-board the card. Either 8 or 16k.
+ */
+ find_ie_mem_size(unit);
+ if (!ie_softc[unit].iosize) {
+ return (0);
+ }
+ if (!dvp->id_msize)
+ dvp->id_msize = ie_softc[unit].iosize;
+ else if (dvp->id_msize != ie_softc[unit].iosize) {
+ printf("ie%d: kernel configured msize %d "
+ "doesn't match board configured msize %d\n",
+ unit, dvp->id_msize, ie_softc[unit].iosize);
+ return (0);
+ }
+ sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
-static int ni_probe(dvp)
- struct isa_device *dvp;
-{
- int unit = dvp->id_unit;
- int boardtype, c;
-
- ie_softc[unit].port = dvp->id_iobase;
- ie_softc[unit].iomembot = dvp->id_maddr;
- ie_softc[unit].iomem = 0;
- ie_softc[unit].bus_use = 1;
-
- boardtype = inb(PORT + IEATT_REVISION);
- c = inb(PORT + IEATT_REVISION + 1);
- boardtype = boardtype + (c << 8);
- switch(boardtype) {
- case 0x5500: /* This is the magic cookie for the NI5210 */
- ie_softc[unit].hard_type = IE_NI5210;
- ie_softc[unit].ie_reset_586 = sl_reset_586;
- ie_softc[unit].ie_chan_attn = sl_chan_attn;
- break;
-
- /*
- * Anything else is not recognized or cannot be used.
- */
- default:
- return 0;
- }
-
- ie_softc[unit].hard_vers = 0;
-
- /*
- * Divine memory size on-board the card. Either 8 or 16k.
- */
- find_ie_mem_size(unit);
-
- if(!ie_softc[unit].iosize) {
- return 0;
- }
-
- if(!dvp->id_msize)
- dvp->id_msize = ie_softc[unit].iosize;
- else if (dvp->id_msize != ie_softc[unit].iosize) {
- printf("ie%d: kernel configured msize %d doesn't match board configured msize %d\n",
- unit, dvp->id_msize, ie_softc[unit].iosize);
- return 0;
- }
-
- sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
-
- return 8;
+ return (8);
}
static void
-ee16_shutdown(howto, sc)
- int howto;
- void *sc;
+ee16_shutdown(int howto, void *sc)
{
- struct ie_softc *ie = (struct ie_softc *)sc;
- int unit = ie - &ie_softc[0];
+ struct ie_softc *ie = (struct ie_softc *)sc;
+ int unit = ie - &ie_softc[0];
ee16_reset_586(unit);
outb(PORT + IEE16_ECTRL, IEE16_RESET_ASIC);
@@ -583,22 +577,20 @@ ee16_shutdown(howto, sc)
/* Taken almost exactly from Rod's if_ix.c. */
int
-ee16_probe(dvp)
- struct isa_device *dvp;
+ee16_probe(struct isa_device *dvp)
{
struct ie_softc *sc = &ie_softc[dvp->id_unit];
- int i;
- int unit = dvp->id_unit;
+ int i;
+ int unit = dvp->id_unit;
u_short board_id, id_var1, id_var2, checksum = 0;
u_short eaddrtemp, irq;
- u_short pg, adjust, decode, edecode;
+ u_short pg, adjust, decode, edecode;
u_char bart_config;
- u_long bd_maddr;
+ u_long bd_maddr;
short irq_translate[] = {0, IRQ9, IRQ3, IRQ4, IRQ5, IRQ10, IRQ11, 0};
- char irq_encode[] = { 0, 0, 0, 2, 3, 4, 0, 0,
- 0, 1, 5, 6, 0, 0, 0, 0 };
+ char irq_encode[] = {0, 0, 0, 2, 3, 4, 0, 0, 0, 1, 5, 6, 0, 0, 0, 0};
/* Need this for part of the probe. */
sc->ie_reset_586 = ee16_reset_586;
@@ -614,43 +606,39 @@ ee16_probe(dvp)
/* now look for ee16. */
board_id = id_var1 = id_var2 = 0;
- for (i=0; i<4 ; i++) {
+ for (i = 0; i < 4; i++) {
id_var1 = inb(dvp->id_iobase + IEE16_ID_PORT);
id_var2 = ((id_var1 & 0x03) << 2);
- board_id |= (( id_var1 >> 4) << id_var2);
+ board_id |= ((id_var1 >> 4) << id_var2);
}
if (board_id != IEE16_ID) {
printf("ie%d: unknown board_id: %x\n", unit, board_id);
- return 0;
+ return (0);
}
-
/* need sc->port for ee16_read_eeprom */
sc->port = dvp->id_iobase;
sc->hard_type = IE_EE16;
/*
- * The shared RAM location on the EE16 is encoded into bits
- * 3-7 of EEPROM location 6. We zero the upper byte, and
- * shift the 5 bits right 3. The resulting number tells us
- * the RAM location. Because the EE16 supports either 16k or 32k
- * of shared RAM, we only worry about the 32k locations.
+ * The shared RAM location on the EE16 is encoded into bits 3-7 of
+ * EEPROM location 6. We zero the upper byte, and shift the 5 bits
+ * right 3. The resulting number tells us the RAM location.
+ * Because the EE16 supports either 16k or 32k of shared RAM, we
+ * only worry about the 32k locations.
*
- * NOTE: if a 64k EE16 exists, it should be added to this switch.
- * then the ia->ia_msize would need to be set per case statement.
+ * NOTE: if a 64k EE16 exists, it should be added to this switch. then
+ * the ia->ia_msize would need to be set per case statement.
*
- * value msize location
- * ===== ===== ========
- * 0x03 0x8000 0xCC000
- * 0x06 0x8000 0xD0000
- * 0x0C 0x8000 0xD4000
- * 0x18 0x8000 0xD8000
+ * value msize location ===== ===== ======== 0x03 0x8000
+ * 0xCC000 0x06 0x8000 0xD0000 0x0C 0x8000 0xD4000 0x18
+ * 0x8000 0xD8000
*
- */
+ */
bd_maddr = 0;
- i = (ee16_read_eeprom(sc, 6) & 0x00ff ) >> 3;
- switch(i) {
+ i = (ee16_read_eeprom(sc, 6) & 0x00ff) >> 3;
+ switch (i) {
case 0x03:
bd_maddr = 0xCC000;
break;
@@ -664,36 +652,34 @@ ee16_probe(dvp)
bd_maddr = 0xD8000;
break;
default:
- bd_maddr = 0 ;
+ bd_maddr = 0;
break;
}
dvp->id_msize = 0x8000;
if (kvtop(dvp->id_maddr) != bd_maddr) {
- printf("ie%d: kernel configured maddr %lx doesn't match board configured maddr %x\n",
+ printf("ie%d: kernel configured maddr %lx "
+ "doesn't match board configured maddr %x\n",
unit, kvtop(dvp->id_maddr), bd_maddr);
}
-
-
sc->iomembot = dvp->id_maddr;
- sc->iomem = 0; /* XXX some probes set this and some don't */
+ sc->iomem = 0; /* XXX some probes set this and some don't */
sc->iosize = dvp->id_msize;
/* need to put the 586 in RESET while we access the eeprom. */
- outb( PORT + IEE16_ECTRL, IEE16_RESET_586);
+ outb(PORT + IEE16_ECTRL, IEE16_RESET_586);
/* read the eeprom and checksum it, should == IEE16_ID */
- for(i = 0; i < 0x40; i++)
+ for (i = 0; i < 0x40; i++)
checksum += ee16_read_eeprom(sc, i);
if (checksum != IEE16_ID) {
printf("ie%d: invalid eeprom checksum: %x\n", unit, checksum);
- return 0;
+ return (0);
}
-
/*
* Size and test the memory on the board. The size of the memory
- * can be one of 16k, 32k, 48k or 64k. It can be located in the
- * address range 0xC0000 to 0xEFFFF on 16k boundaries.
+ * can be one of 16k, 32k, 48k or 64k. It can be located in the
+ * address range 0xC0000 to 0xEFFFF on 16k boundaries.
*
* If the size does not match the passed in memory allocation size
* issue a warning, but continue with the minimum of the two sizes.
@@ -701,24 +687,23 @@ ee16_probe(dvp)
switch (dvp->id_msize) {
case 65536:
- case 32768: /* XXX Only support 32k and 64k right now */
+ case 32768: /* XXX Only support 32k and 64k right now */
break;
case 16384:
case 49512:
default:
printf("ie%d: mapped memory size %d not supported\n", unit,
- dvp->id_msize);
- return 0;
- break; /* NOTREACHED */
+ dvp->id_msize);
+ return (0);
+ break; /* NOTREACHED */
}
if ((kvtop(dvp->id_maddr) < 0xC0000) ||
(kvtop(dvp->id_maddr) + sc->iosize > 0xF0000)) {
printf("ie%d: mapped memory location %x out of range\n", unit,
- dvp->id_maddr);
- return 0;
+ dvp->id_maddr);
+ return (0);
}
-
pg = (kvtop(dvp->id_maddr) & 0x3C000) >> 14;
adjust = IEE16_MCTRL_FMCS16 | (pg & 0x3) << 2;
decode = ((1 << (sc->iosize / 16384)) - 1) << pg;
@@ -731,28 +716,29 @@ ee16_probe(dvp)
/* ZZZ Now if I could find this one I would have it made */
outb(PORT + IEE16_MPCTRL, (~decode & 0xFF));
/* ZZZ I think this is location 6, high byte */
- outb(PORT + IEE16_MECTRL, edecode); /*XXX disable Exxx */
+ outb(PORT + IEE16_MECTRL, edecode); /* XXX disable Exxx */
- (void)kvtop(dvp->id_maddr);
+ (void) kvtop(dvp->id_maddr);
/*
- * first prime the stupid bart DRAM controller so that it
- * works, then zero out all of memory.
+ * first prime the stupid bart DRAM controller so that it works,
+ * then zero out all of memory.
*/
bzero(sc->iomembot, 32);
bzero(sc->iomembot, sc->iosize);
/*
* Get the encoded interrupt number from the EEPROM, check it
- * against the passed in IRQ. Issue a warning if they do not
- * match. Always use the passed in IRQ, not the one in the EEPROM.
+ * against the passed in IRQ. Issue a warning if they do not match.
+ * Always use the passed in IRQ, not the one in the EEPROM.
*/
irq = ee16_read_eeprom(sc, IEE16_EEPROM_CONFIG1);
irq = (irq & IEE16_EEPROM_IRQ) >> IEE16_EEPROM_IRQ_SHIFT;
irq = irq_translate[irq];
if (dvp->id_irq > 0) {
if (irq != dvp->id_irq) {
- printf("ie%d: WARNING: board configured at irq %d, using %d\n",
+ printf("ie%d: WARNING: board configured "
+ "at irq %d, using %d\n",
dvp->id_unit, irq);
irq = dvp->id_unit;
}
@@ -762,8 +748,8 @@ ee16_probe(dvp)
sc->irq_encoded = irq_encode[ffs(irq) - 1];
/*
- * Get the hardware ethernet address from the EEPROM and
- * save it in the softc for use by the 586 setup code.
+ * Get the hardware ethernet address from the EEPROM and save it in
+ * the softc for use by the 586 setup code.
*/
eaddrtemp = ee16_read_eeprom(sc, IEE16_EEPROM_ENET_HIGH);
sc->arpcom.ac_enaddr[1] = eaddrtemp & 0xFF;
@@ -779,166 +765,164 @@ ee16_probe(dvp)
outb(PORT + IEE16_IRQ, sc->irq_encoded);
/* enable loopback to keep bad packets off the wire */
- if(sc->hard_type == IE_EE16) {
+ if (sc->hard_type == IE_EE16) {
bart_config = inb(PORT + IEE16_CONFIG);
bart_config |= IEE16_BART_LOOPBACK;
- bart_config |= IEE16_BART_MCS16_TEST; /*inb doesn't get bit! */
+ bart_config |= IEE16_BART_MCS16_TEST;/* inb doesn't get bit! */
outb(PORT + IEE16_CONFIG, bart_config);
bart_config = inb(PORT + IEE16_CONFIG);
}
-
/* take the board out of reset state */
outb(PORT + IEE16_ECTRL, 0);
DELAY(100);
if (!check_ie_present(unit, dvp->id_maddr, sc->iosize))
- return 0;
+ return (0);
- return 16; /* return the number of I/O ports */
+ return (16); /* return the number of I/O ports */
}
/*
* Taken almost exactly from Bill's if_is.c, then modified beyond recognition.
*/
int
-ieattach(dvp)
- struct isa_device *dvp;
+ieattach(struct isa_device *dvp)
{
- int factor;
- int unit = dvp->id_unit;
- struct ie_softc *ie = &ie_softc[unit];
- struct ifnet *ifp = &ie->arpcom.ac_if;
- size_t allocsize;
-
- /*
- * based on the amount of memory we have,
- * allocate our tx and rx resources.
- */
- factor = dvp->id_msize / 16384;
- ie->nframes = factor * NFRAMES;
- ie->nrxbufs = factor * NRXBUFS;
- ie->ntxbufs = factor * NTXBUFS;
-
- /*
- * Since all of these guys are arrays of pointers, allocate as one
- * big chunk and dole out accordingly.
- */
- allocsize = sizeof(void *) * (ie->nframes
- + (ie->nrxbufs * 2)
- + (ie->ntxbufs * 3));
- ie->rframes = (volatile struct ie_recv_frame_desc **)malloc(allocsize,
- M_DEVBUF,
- M_NOWAIT);
- if (ie->rframes == NULL)
- return (0);
- ie->rbuffs = (volatile struct ie_recv_buf_desc **)&ie->rframes[ie->nframes];
- ie->cbuffs = (volatile u_char **)&ie->rbuffs[ie->nrxbufs];
- ie->xmit_cmds = (volatile struct ie_xmit_cmd **)&ie->cbuffs[ie->nrxbufs];
- ie->xmit_buffs = (volatile struct ie_xmit_buf **)&ie->xmit_cmds[ie->ntxbufs];
- ie->xmit_cbuffs = (u_char **)&ie->xmit_buffs[ie->ntxbufs];
-
- ifp->if_softc = ie;
- ifp->if_unit = unit;
- ifp->if_name = iedriver.name;
- ifp->if_mtu = ETHERMTU;
- printf("ie%d: <%s R%d> address %6D\n", unit,
- ie_hardware_names[ie->hard_type],
- ie->hard_vers + 1,
- ie->arpcom.ac_enaddr, ":");
-
- ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
- ifp->if_output = ether_output;
- ifp->if_start = iestart;
- ifp->if_ioctl = ieioctl;
- ifp->if_type = IFT_ETHER;
- ifp->if_addrlen = 6;
- ifp->if_hdrlen = 14;
-
- if (ie->hard_type == IE_EE16)
- at_shutdown(ee16_shutdown, ie, SHUTDOWN_POST_SYNC);
+ int factor;
+ int unit = dvp->id_unit;
+ struct ie_softc *ie = &ie_softc[unit];
+ struct ifnet *ifp = &ie->arpcom.ac_if;
+ size_t allocsize;
+
+ /*
+ * based on the amount of memory we have, allocate our tx and rx
+ * resources.
+ */
+ factor = dvp->id_msize / 16384;
+ ie->nframes = factor * NFRAMES;
+ ie->nrxbufs = factor * NRXBUFS;
+ ie->ntxbufs = factor * NTXBUFS;
+
+ /*
+ * Since all of these guys are arrays of pointers, allocate as one
+ * big chunk and dole out accordingly.
+ */
+ allocsize = sizeof(void *) * (ie->nframes
+ + (ie->nrxbufs * 2)
+ + (ie->ntxbufs * 3));
+ ie->rframes = (volatile struct ie_recv_frame_desc **) malloc(allocsize,
+ M_DEVBUF,
+ M_NOWAIT);
+ if (ie->rframes == NULL)
+ return (0);
+ ie->rbuffs =
+ (volatile struct ie_recv_buf_desc **)&ie->rframes[ie->nframes];
+ ie->cbuffs = (volatile u_char **)&ie->rbuffs[ie->nrxbufs];
+ ie->xmit_cmds =
+ (volatile struct ie_xmit_cmd **)&ie->cbuffs[ie->nrxbufs];
+ ie->xmit_buffs =
+ (volatile struct ie_xmit_buf **)&ie->xmit_cmds[ie->ntxbufs];
+ ie->xmit_cbuffs = (u_char **)&ie->xmit_buffs[ie->ntxbufs];
+
+ ifp->if_softc = ie;
+ ifp->if_unit = unit;
+ ifp->if_name = iedriver.name;
+ ifp->if_mtu = ETHERMTU;
+ printf("ie%d: <%s R%d> address %6D\n", unit,
+ ie_hardware_names[ie->hard_type],
+ ie->hard_vers + 1,
+ ie->arpcom.ac_enaddr, ":");
+
+ ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
+ ifp->if_output = ether_output;
+ ifp->if_start = iestart;
+ ifp->if_ioctl = ieioctl;
+ ifp->if_type = IFT_ETHER;
+ ifp->if_addrlen = 6;
+ ifp->if_hdrlen = 14;
+
+ if (ie->hard_type == IE_EE16)
+ at_shutdown(ee16_shutdown, ie, SHUTDOWN_POST_SYNC);
#if NBPFILTER > 0
- bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
+ bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
#endif
- if_attach(ifp);
- ether_ifattach(ifp);
- return 1;
+ if_attach(ifp);
+ ether_ifattach(ifp);
+ return (1);
}
/*
* What to do upon receipt of an interrupt.
*/
void
-ieintr(unit)
- int unit;
+ieintr(int unit)
{
- register struct ie_softc *ie = &ie_softc[unit];
- register u_short status;
+ register struct ie_softc *ie = &ie_softc[unit];
+ register u_short status;
- /* Clear the interrupt latch on the 3C507. */
- if (ie->hard_type == IE_3C507 && (inb(PORT + IE507_CTRL) & EL_CTRL_INTL))
- outb(PORT + IE507_ICTRL, 1);
+ /* Clear the interrupt latch on the 3C507. */
+ if (ie->hard_type == IE_3C507
+ && (inb(PORT + IE507_CTRL) & EL_CTRL_INTL))
+ outb(PORT + IE507_ICTRL, 1);
- /* disable interrupts on the EE16. */
- if (ie->hard_type == IE_EE16)
- outb(PORT + IEE16_IRQ, ie->irq_encoded);
+ /* disable interrupts on the EE16. */
+ if (ie->hard_type == IE_EE16)
+ outb(PORT + IEE16_IRQ, ie->irq_encoded);
- status = ie->scb->ie_status;
+ status = ie->scb->ie_status;
loop:
- /* Don't ack interrupts which we didn't receive */
- ie_ack(ie->scb, IE_ST_WHENCE & status, unit, ie->ie_chan_attn);
+ /* Don't ack interrupts which we didn't receive */
+ ie_ack(ie->scb, IE_ST_WHENCE & status, unit, ie->ie_chan_attn);
- if(status & (IE_ST_RECV | IE_ST_RNR)) {
+ if (status & (IE_ST_RECV | IE_ST_RNR)) {
#ifdef DEBUG
- in_ierint++;
- if(ie_debug & IED_RINT)
- printf("ie%d: rint\n", unit);
+ in_ierint++;
+ if (ie_debug & IED_RINT)
+ printf("ie%d: rint\n", unit);
#endif
- ierint(unit, ie);
+ ierint(unit, ie);
#ifdef DEBUG
- in_ierint--;
+ in_ierint--;
#endif
- }
-
- if(status & IE_ST_DONE) {
+ }
+ if (status & IE_ST_DONE) {
#ifdef DEBUG
- in_ietint++;
- if(ie_debug & IED_TINT)
- printf("ie%d: tint\n", unit);
+ in_ietint++;
+ if (ie_debug & IED_TINT)
+ printf("ie%d: tint\n", unit);
#endif
- ietint(unit, ie);
+ ietint(unit, ie);
#ifdef DEBUG
- in_ietint--;
+ in_ietint--;
#endif
- }
-
- if(status & IE_ST_RNR) {
+ }
+ if (status & IE_ST_RNR) {
#ifdef DEBUG
- if(ie_debug & IED_RNR)
- printf("ie%d: rnr\n", unit);
+ if (ie_debug & IED_RNR)
+ printf("ie%d: rnr\n", unit);
#endif
- iernr(unit, ie);
- }
-
+ iernr(unit, ie);
+ }
#ifdef DEBUG
- if((status & IE_ST_ALLDONE)
- && (ie_debug & IED_CNA))
- printf("ie%d: cna\n", unit);
+ if ((status & IE_ST_ALLDONE)
+ && (ie_debug & IED_CNA))
+ printf("ie%d: cna\n", unit);
#endif
- if ((status = ie->scb->ie_status) & IE_ST_WHENCE)
- goto loop;
+ if ((status = ie->scb->ie_status) & IE_ST_WHENCE)
+ goto loop;
- /* Clear the interrupt latch on the 3C507. */
- if (ie->hard_type == IE_3C507)
- outb(PORT + IE507_ICTRL, 1);
+ /* Clear the interrupt latch on the 3C507. */
+ if (ie->hard_type == IE_3C507)
+ outb(PORT + IE507_ICTRL, 1);
- /* enable interrupts on the EE16. */
- if (ie->hard_type == IE_EE16)
- outb(PORT + IEE16_IRQ, ie->irq_encoded | IEE16_IRQ_ENABLE);
+ /* enable interrupts on the EE16. */
+ if (ie->hard_type == IE_EE16)
+ outb(PORT + IEE16_IRQ, ie->irq_encoded | IEE16_IRQ_ENABLE);
}
@@ -946,101 +930,103 @@ loop:
* Process a received-frame interrupt.
*/
static int
-ierint(unit, ie)
- int unit;
- struct ie_softc *ie;
+ierint(int unit, struct ie_softc *ie)
{
- int i, status;
- static int timesthru = 1024;
-
- i = ie->rfhead;
- while(1) {
- status = ie->rframes[i]->ie_fd_status;
-
- if((status & IE_FD_COMPLETE) && (status & IE_FD_OK)) {
- ie->arpcom.ac_if.if_ipackets++;
- if(!--timesthru) {
- ie->arpcom.ac_if.if_ierrors +=
- ie->scb->ie_err_crc + ie->scb->ie_err_align +
- ie->scb->ie_err_resource + ie->scb->ie_err_overrun;
- ie->scb->ie_err_crc = 0;
- ie->scb->ie_err_align = 0;
- ie->scb->ie_err_resource = 0;
- ie->scb->ie_err_overrun = 0;
- timesthru = 1024;
- }
- ie_readframe(unit, ie, i);
- } else {
- if(status & IE_FD_RNR) {
- if(!(ie->scb->ie_status & IE_RU_READY)) {
- ie->rframes[0]->ie_fd_next = MK_16(MEM, ie->rbuffs[0]);
- ie->scb->ie_recv_list = MK_16(MEM, ie->rframes[0]);
- command_and_wait(unit, IE_RU_START, 0, 0);
+ int i, status;
+ static int timesthru = 1024;
+
+ i = ie->rfhead;
+ while (1) {
+ status = ie->rframes[i]->ie_fd_status;
+
+ if ((status & IE_FD_COMPLETE) && (status & IE_FD_OK)) {
+ ie->arpcom.ac_if.if_ipackets++;
+ if (!--timesthru) {
+ ie->arpcom.ac_if.if_ierrors +=
+ ie->scb->ie_err_crc +
+ ie->scb->ie_err_align +
+ ie->scb->ie_err_resource +
+ ie->scb->ie_err_overrun;
+ ie->scb->ie_err_crc = 0;
+ ie->scb->ie_err_align = 0;
+ ie->scb->ie_err_resource = 0;
+ ie->scb->ie_err_overrun = 0;
+ timesthru = 1024;
+ }
+ ie_readframe(unit, ie, i);
+ } else {
+ if (status & IE_FD_RNR) {
+ if (!(ie->scb->ie_status & IE_RU_READY)) {
+ ie->rframes[0]->ie_fd_next =
+ MK_16(MEM, ie->rbuffs[0]);
+ ie->scb->ie_recv_list =
+ MK_16(MEM, ie->rframes[0]);
+ command_and_wait(unit, IE_RU_START,
+ 0, 0);
+ }
+ }
+ break;
+ }
+ i = (i + 1) % ie->nframes;
}
- }
- break;
- }
- i = (i + 1) % ie->nframes;
- }
- return 0;
+ return (0);
}
/*
* Process a command-complete interrupt. These are only generated by
- * the transmission of frames. This routine is deceptively simple, since
+ * the transmission of frames. This routine is deceptively simple, since
* most of the real work is done by iestart().
*/
-static int ietint(unit, ie)
- int unit;
- struct ie_softc *ie;
+static int
+ietint(int unit, struct ie_softc *ie)
{
- int status;
- int i;
-
- ie->arpcom.ac_if.if_timer = 0;
- ie->arpcom.ac_if.if_flags &= ~IFF_OACTIVE;
-
- for(i = 0; i < ie->xmit_count; i++) {
- status = ie->xmit_cmds[i]->ie_xmit_status;
-
- if(status & IE_XS_LATECOLL) {
- printf("ie%d: late collision\n", unit);
- ie->arpcom.ac_if.if_collisions++;
- ie->arpcom.ac_if.if_oerrors++;
- } else if(status & IE_XS_NOCARRIER) {
- printf("ie%d: no carrier\n", unit);
- ie->arpcom.ac_if.if_oerrors++;
- } else if(status & IE_XS_LOSTCTS) {
- printf("ie%d: lost CTS\n", unit);
- ie->arpcom.ac_if.if_oerrors++;
- } else if(status & IE_XS_UNDERRUN) {
- printf("ie%d: DMA underrun\n", unit);
- ie->arpcom.ac_if.if_oerrors++;
- } else if(status & IE_XS_EXCMAX) {
- printf("ie%d: too many collisions\n", unit);
- ie->arpcom.ac_if.if_collisions += 16;
- ie->arpcom.ac_if.if_oerrors++;
- } else {
- ie->arpcom.ac_if.if_opackets++;
- ie->arpcom.ac_if.if_collisions += status & IE_XS_MAXCOLL;
- }
- }
- ie->xmit_count = 0;
-
- /*
- * If multicast addresses were added or deleted while we were transmitting,
- * ie_mc_reset() set the want_mcsetup flag indicating that we should do it.
- */
- if(ie->want_mcsetup) {
- mc_setup(unit, (caddr_t)ie->xmit_cbuffs[0], ie->scb);
- ie->want_mcsetup = 0;
- }
-
- /* Wish I knew why this seems to be necessary... */
- ie->xmit_cmds[0]->ie_xmit_status |= IE_STAT_COMPL;
-
- iestart(&ie->arpcom.ac_if);
- return 0; /* shouldn't be necessary */
+ int status;
+ int i;
+
+ ie->arpcom.ac_if.if_timer = 0;
+ ie->arpcom.ac_if.if_flags &= ~IFF_OACTIVE;
+
+ for (i = 0; i < ie->xmit_count; i++) {
+ status = ie->xmit_cmds[i]->ie_xmit_status;
+
+ if (status & IE_XS_LATECOLL) {
+ printf("ie%d: late collision\n", unit);
+ ie->arpcom.ac_if.if_collisions++;
+ ie->arpcom.ac_if.if_oerrors++;
+ } else if (status & IE_XS_NOCARRIER) {
+ printf("ie%d: no carrier\n", unit);
+ ie->arpcom.ac_if.if_oerrors++;
+ } else if (status & IE_XS_LOSTCTS) {
+ printf("ie%d: lost CTS\n", unit);
+ ie->arpcom.ac_if.if_oerrors++;
+ } else if (status & IE_XS_UNDERRUN) {
+ printf("ie%d: DMA underrun\n", unit);
+ ie->arpcom.ac_if.if_oerrors++;
+ } else if (status & IE_XS_EXCMAX) {
+ printf("ie%d: too many collisions\n", unit);
+ ie->arpcom.ac_if.if_collisions += 16;
+ ie->arpcom.ac_if.if_oerrors++;
+ } else {
+ ie->arpcom.ac_if.if_opackets++;
+ ie->arpcom.ac_if.if_collisions += status & IE_XS_MAXCOLL;
+ }
+ }
+ ie->xmit_count = 0;
+
+ /*
+ * If multicast addresses were added or deleted while we were
+ * transmitting, ie_mc_reset() set the want_mcsetup flag indicating
+ * that we should do it.
+ */
+ if (ie->want_mcsetup) {
+ mc_setup(unit, (caddr_t) ie->xmit_cbuffs[0], ie->scb);
+ ie->want_mcsetup = 0;
+ }
+ /* Wish I knew why this seems to be necessary... */
+ ie->xmit_cmds[0]->ie_xmit_status |= IE_STAT_COMPL;
+
+ iestart(&ie->arpcom.ac_if);
+ return (0); /* shouldn't be necessary */
}
/*
@@ -1048,43 +1034,50 @@ static int ietint(unit, ie)
* when there aren't enough buffers to go around. For now (FIXME), we
* just restart the receiver, and hope everything's ok.
*/
-static int iernr(unit, ie)
- int unit;
- struct ie_softc *ie;
+static int
+iernr(int unit, struct ie_softc *ie)
{
#ifdef doesnt_work
- setup_rfa((caddr_t)ie->rframes[0], ie);
+ setup_rfa((caddr_t) ie->rframes[0], ie);
- ie->scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
- command_and_wait(unit, IE_RU_START, 0, 0);
+ ie->scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
+ command_and_wait(unit, IE_RU_START, 0, 0);
#else
- /* This doesn't work either, but it doesn't hang either. */
- command_and_wait(unit, IE_RU_DISABLE, 0, 0); /* just in case */
- setup_rfa((caddr_t)ie->rframes[0], ie); /* ignore cast-qual */
+ /* This doesn't work either, but it doesn't hang either. */
+ command_and_wait(unit, IE_RU_DISABLE, 0, 0); /* just in case */
+ setup_rfa((caddr_t) ie->rframes[0], ie); /* ignore cast-qual */
- ie->scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
- command_and_wait(unit, IE_RU_START, 0, 0); /* was ENABLE */
+ ie->scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
+ command_and_wait(unit, IE_RU_START, 0, 0); /* was ENABLE */
#endif
- ie_ack(ie->scb, IE_ST_WHENCE, unit, ie->ie_chan_attn);
+ ie_ack(ie->scb, IE_ST_WHENCE, unit, ie->ie_chan_attn);
- ie->arpcom.ac_if.if_ierrors++;
- return 0;
+ ie->arpcom.ac_if.if_ierrors++;
+ return (0);
}
/*
* Compare two Ether/802 addresses for equality, inlined and
- * unrolled for speed. I'd love to have an inline assembler
+ * unrolled for speed. I'd love to have an inline assembler
* version of this...
*/
-static inline int ether_equal(u_char *one, u_char *two) {
- if(one[0] != two[0]) return 0;
- if(one[1] != two[1]) return 0;
- if(one[2] != two[2]) return 0;
- if(one[3] != two[3]) return 0;
- if(one[4] != two[4]) return 0;
- if(one[5] != two[5]) return 0;
- return 1;
+static inline int
+ether_equal(u_char * one, u_char * two)
+{
+ if (one[0] != two[0])
+ return (0);
+ if (one[1] != two[1])
+ return (0);
+ if (one[2] != two[2])
+ return (0);
+ if (one[3] != two[3])
+ return (0);
+ if (one[4] != two[4])
+ return (0);
+ if (one[5] != two[5])
+ return (0);
+ return 1;
}
/*
@@ -1095,97 +1088,109 @@ static inline int ether_equal(u_char *one, u_char *two) {
* Return value is true if the packet is for us, and false otherwise.
*
* This routine is a mess, but it's also critical that it be as fast
- * as possible. It could be made cleaner if we can assume that the
+ * as possible. It could be made cleaner if we can assume that the
* only client which will fiddle with IFF_PROMISC is BPF. This is
* probably a good assumption, but we do not make it here. (Yet.)
*/
-static inline int check_eh(struct ie_softc *ie,
- struct ether_header *eh,
- int *to_bpf) {
- int i;
-
- switch(ie->promisc) {
- case IFF_ALLMULTI:
- /*
- * Receiving all multicasts, but no unicasts except those destined for us.
- */
+static inline int
+check_eh(struct ie_softc * ie, struct ether_header * eh, int *to_bpf)
+{
+ int i;
+
+ switch (ie->promisc) {
+ case IFF_ALLMULTI:
+ /*
+ * Receiving all multicasts, but no unicasts except those
+ * destined for us.
+ */
#if NBPFILTER > 0
- *to_bpf = (ie->arpcom.ac_if.if_bpf != 0); /* BPF gets this packet if anybody cares */
+ /* BPF gets this packet if anybody cares */
+ *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
#endif
- if(eh->ether_dhost[0] & 1) {
- return 1;
- }
- if(ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr)) return 1;
- return 0;
-
- case IFF_PROMISC:
- /*
- * Receiving all packets. These need to be passed on to BPF.
- */
+ if (eh->ether_dhost[0] & 1) {
+ return (1);
+ }
+ if (ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr))
+ return (1);
+ return (0);
+
+ case IFF_PROMISC:
+ /*
+ * Receiving all packets. These need to be passed on to
+ * BPF.
+ */
#if NBPFILTER > 0
- *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
+ *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
#endif
- /* If for us, accept and hand up to BPF */
- if(ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr)) return 1;
+ /* If for us, accept and hand up to BPF */
+ if (ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr))
+ return (1);
#if NBPFILTER > 0
- if(*to_bpf) *to_bpf = 2; /* we don't need to see it */
+ if (*to_bpf)
+ *to_bpf = 2; /* we don't need to see it */
#endif
- /*
- * Not a multicast, so BPF wants to see it but we don't.
- */
- if(!(eh->ether_dhost[0] & 1)) return 1;
-
- /*
- * If it's one of our multicast groups, accept it and pass it
- * up.
- */
- for(i = 0; i < ie->mcast_count; i++) {
- if(ether_equal(eh->ether_dhost, (u_char *)&ie->mcast_addrs[i])) {
+ /*
+ * Not a multicast, so BPF wants to see it but we don't.
+ */
+ if (!(eh->ether_dhost[0] & 1))
+ return (1);
+
+ /*
+ * If it's one of our multicast groups, accept it and pass
+ * it up.
+ */
+ for (i = 0; i < ie->mcast_count; i++) {
+ if (ether_equal(eh->ether_dhost,
+ (u_char *)&ie->mcast_addrs[i])) {
#if NBPFILTER > 0
- if(*to_bpf) *to_bpf = 1;
+ if (*to_bpf)
+ *to_bpf = 1;
#endif
- return 1;
- }
- }
- return 1;
-
- case IFF_ALLMULTI | IFF_PROMISC:
- /*
- * Acting as a multicast router, and BPF running at the same time.
- * Whew! (Hope this is a fast machine...)
- */
+ return (1);
+ }
+ }
+ return (1);
+
+ case IFF_ALLMULTI | IFF_PROMISC:
+ /*
+ * Acting as a multicast router, and BPF running at the same
+ * time. Whew! (Hope this is a fast machine...)
+ */
#if NBPFILTER > 0
- *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
+ *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
#endif
- /* We want to see multicasts. */
- if(eh->ether_dhost[0] & 1) return 1;
+ /* We want to see multicasts. */
+ if (eh->ether_dhost[0] & 1)
+ return (1);
- /* We want to see our own packets */
- if(ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr)) return 1;
+ /* We want to see our own packets */
+ if (ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr))
+ return (1);
- /* Anything else goes to BPF but nothing else. */
+ /* Anything else goes to BPF but nothing else. */
#if NBPFILTER > 0
- if(*to_bpf) *to_bpf = 2;
+ if (*to_bpf)
+ *to_bpf = 2;
#endif
- return 1;
-
- default:
- /*
- * Only accept unicast packets destined for us, or multicasts
- * for groups that we belong to. For now, we assume that the
- * '586 will only return packets that we asked it for. This
- * isn't strictly true (it uses hashing for the multicast filter),
- * but it will do in this case, and we want to get out of here
- * as quickly as possible.
- */
+ return (1);
+
+ default:
+ /*
+ * Only accept unicast packets destined for us, or
+ * multicasts for groups that we belong to. For now, we
+ * assume that the '586 will only return packets that we
+ * asked it for. This isn't strictly true (it uses hashing
+ * for the multicast filter), but it will do in this case,
+ * and we want to get out of here as quickly as possible.
+ */
#if NBPFILTER > 0
- *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
+ *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
#endif
- return 1;
- }
- return 0;
+ return (1);
+ }
+ return (0);
}
/*
@@ -1193,34 +1198,38 @@ static inline int check_eh(struct ie_softc *ie,
* IE_RBUF_SIZE is an even power of two. If somehow the act_len exceeds
* the size of the buffer, then we are screwed anyway.
*/
-static inline int ie_buflen(struct ie_softc *ie, int head) {
- return (ie->rbuffs[head]->ie_rbd_actual
- & (IE_RBUF_SIZE | (IE_RBUF_SIZE - 1)));
+static inline int
+ie_buflen(struct ie_softc * ie, int head)
+{
+ return (ie->rbuffs[head]->ie_rbd_actual
+ & (IE_RBUF_SIZE | (IE_RBUF_SIZE - 1)));
}
-static inline int ie_packet_len(int unit, struct ie_softc *ie) {
- int i;
- int head = ie->rbhead;
- int acc = 0;
+static inline int
+ie_packet_len(int unit, struct ie_softc * ie)
+{
+ int i;
+ int head = ie->rbhead;
+ int acc = 0;
- do {
- if(!(ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_USED)) {
+ do {
+ if (!(ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_USED)) {
#ifdef DEBUG
- print_rbd(ie->rbuffs[ie->rbhead]);
+ print_rbd(ie->rbuffs[ie->rbhead]);
#endif
- log(LOG_ERR, "ie%d: receive descriptors out of sync at %d\n",
- unit, ie->rbhead);
- iereset(unit);
- return -1;
- }
-
- i = ie->rbuffs[head]->ie_rbd_actual & IE_RBD_LAST;
+ log(LOG_ERR,
+ "ie%d: receive descriptors out of sync at %d\n",
+ unit, ie->rbhead);
+ iereset(unit);
+ return (-1);
+ }
+ i = ie->rbuffs[head]->ie_rbd_actual & IE_RBD_LAST;
- acc += ie_buflen(ie, head);
- head = (head + 1) % ie->nrxbufs;
- } while(!i);
+ acc += ie_buflen(ie, head);
+ head = (head + 1) % ie->nrxbufs;
+ } while (!i);
- return acc;
+ return (acc);
}
/*
@@ -1233,169 +1242,168 @@ static inline int ie_packet_len(int unit, struct ie_softc *ie) {
* chain of partially-full mbufs. This should help to speed up the
* operation considerably. (Provided that it works, of course.)
*/
-static inline int ieget(unit, ie, mp, ehp, to_bpf)
- int unit;
- struct ie_softc *ie;
- struct mbuf **mp;
- struct ether_header *ehp;
- int *to_bpf;
+static inline int
+ieget(int unit, struct ie_softc *ie, struct mbuf **mp,
+ struct ether_header *ehp, int *to_bpf)
{
- struct mbuf *m, *top, **mymp;
- int i;
- int offset;
- int totlen, resid;
- int thismboff;
- int head;
-
- totlen = ie_packet_len(unit, ie);
- if(totlen <= 0) return -1;
-
- i = ie->rbhead;
-
- /*
- * Snarf the Ethernet header.
- */
- bcopy((caddr_t)ie->cbuffs[i], (caddr_t)ehp, sizeof *ehp);
- /* ignore cast-qual warning here */
-
- /*
- * As quickly as possible, check if this packet is for us.
- * If not, don't waste a single cycle copying the rest of the
- * packet in.
- * This is only a consideration when FILTER is defined; i.e., when
- * we are either running BPF or doing multicasting.
- */
- if(!check_eh(ie, ehp, to_bpf)) {
- ie_drop_packet_buffer(unit, ie);
- ie->arpcom.ac_if.if_ierrors--; /* just this case, it's not an error */
- return -1;
- }
- totlen -= (offset = sizeof *ehp);
-
- MGETHDR(*mp, M_DONTWAIT, MT_DATA);
- if(!*mp) {
- ie_drop_packet_buffer(unit, ie);
- return -1;
- }
-
- m = *mp;
- m->m_pkthdr.rcvif = &ie->arpcom.ac_if;
- m->m_len = MHLEN;
- resid = m->m_pkthdr.len = totlen;
- top = 0;
- mymp = &top;
-
- /*
- * This loop goes through and allocates mbufs for all the data we will
- * be copying in. It does not actually do the copying yet.
- */
- do { /* while(resid > 0) */
- /*
- * Try to allocate an mbuf to hold the data that we have. If we
- * already allocated one, just get another one and stick it on the
- * end (eventually). If we don't already have one, try to allocate
- * an mbuf cluster big enough to hold the whole packet, if we think it's
- * reasonable, or a single mbuf which may or may not be big enough.
- * Got that?
- */
- if(top) {
- MGET(m, M_DONTWAIT, MT_DATA);
- if(!m) {
- m_freem(top);
- ie_drop_packet_buffer(unit, ie);
- return -1;
- }
- m->m_len = MLEN;
- }
-
- if(resid >= MINCLSIZE) {
- MCLGET(m, M_DONTWAIT);
- if(m->m_flags & M_EXT)
- m->m_len = min(resid, MCLBYTES);
- } else {
- if(resid < m->m_len) {
- if(!top && resid + max_linkhdr <= m->m_len)
- m->m_data += max_linkhdr;
- m->m_len = resid;
- }
- }
- resid -= m->m_len;
- *mymp = m;
- mymp = &m->m_next;
- } while(resid > 0);
-
- resid = totlen;
- m = top;
- thismboff = 0;
- head = ie->rbhead;
-
- /*
- * Now we take the mbuf chain (hopefully only one mbuf most of the
- * time) and stuff the data into it. There are no possible failures
- * at or after this point.
- */
- while(resid > 0) { /* while there's stuff left */
- int thislen = ie_buflen(ie, head) - offset;
-
- /*
- * If too much data for the current mbuf, then fill the current one
- * up, go to the next one, and try again.
- */
- if(thislen > m->m_len - thismboff) {
- int newlen = m->m_len - thismboff;
- bcopy((caddr_t)(ie->cbuffs[head] + offset),
- mtod(m, caddr_t) + thismboff, (unsigned)newlen);
- /* ignore cast-qual warning */
- m = m->m_next;
- thismboff = 0; /* new mbuf, so no offset */
- offset += newlen; /* we are now this far into the packet */
- resid -= newlen; /* so there is this much left to get */
- continue;
- }
-
- /*
- * If there is more than enough space in the mbuf to hold the
- * contents of this buffer, copy everything in, advance pointers,
- * and so on.
- */
- if(thislen < m->m_len - thismboff) {
- bcopy((caddr_t)(ie->cbuffs[head] + offset), /* ignore warning */
- mtod(m, caddr_t) + thismboff, (unsigned)thislen);
- thismboff += thislen; /* we are this far into the mbuf */
- resid -= thislen; /* and this much is left */
- goto nextbuf;
- }
-
- /*
- * Otherwise, there is exactly enough space to put this buffer's
- * contents into the current mbuf. Do the combination of the above
- * actions.
- */
- bcopy((caddr_t)(ie->cbuffs[head] + offset), /* ignore warning */
- mtod(m, caddr_t) + thismboff, (unsigned)thislen);
- m = m->m_next;
- thismboff = 0; /* new mbuf, start at the beginning */
- resid -= thislen; /* and we are this far through */
-
- /*
- * Advance all the pointers. We can get here from either of the
- * last two cases, but never the first.
- */
+ struct mbuf *m, *top, **mymp;
+ int i;
+ int offset;
+ int totlen, resid;
+ int thismboff;
+ int head;
+
+ totlen = ie_packet_len(unit, ie);
+ if (totlen <= 0)
+ return (-1);
+
+ i = ie->rbhead;
+
+ /*
+ * Snarf the Ethernet header.
+ */
+ bcopy((caddr_t) ie->cbuffs[i], (caddr_t) ehp, sizeof *ehp);
+ /* ignore cast-qual warning here */
+
+ /*
+ * As quickly as possible, check if this packet is for us. If not,
+ * don't waste a single cycle copying the rest of the packet in.
+ * This is only a consideration when FILTER is defined; i.e., when
+ * we are either running BPF or doing multicasting.
+ */
+ if (!check_eh(ie, ehp, to_bpf)) {
+ ie_drop_packet_buffer(unit, ie);
+ ie->arpcom.ac_if.if_ierrors--; /* just this case, it's not an
+ * error
+ */
+ return (-1);
+ }
+ totlen -= (offset = sizeof *ehp);
+
+ MGETHDR(*mp, M_DONTWAIT, MT_DATA);
+ if (!*mp) {
+ ie_drop_packet_buffer(unit, ie);
+ return (-1);
+ }
+ m = *mp;
+ m->m_pkthdr.rcvif = &ie->arpcom.ac_if;
+ m->m_len = MHLEN;
+ resid = m->m_pkthdr.len = totlen;
+ top = 0;
+ mymp = &top;
+
+ /*
+ * This loop goes through and allocates mbufs for all the data we
+ * will be copying in. It does not actually do the copying yet.
+ */
+ do { /* while(resid > 0) */
+ /*
+ * Try to allocate an mbuf to hold the data that we have.
+ * If we already allocated one, just get another one and
+ * stick it on the end (eventually). If we don't already
+ * have one, try to allocate an mbuf cluster big enough to
+ * hold the whole packet, if we think it's reasonable, or a
+ * single mbuf which may or may not be big enough. Got that?
+ */
+ if (top) {
+ MGET(m, M_DONTWAIT, MT_DATA);
+ if (!m) {
+ m_freem(top);
+ ie_drop_packet_buffer(unit, ie);
+ return (-1);
+ }
+ m->m_len = MLEN;
+ }
+ if (resid >= MINCLSIZE) {
+ MCLGET(m, M_DONTWAIT);
+ if (m->m_flags & M_EXT)
+ m->m_len = min(resid, MCLBYTES);
+ } else {
+ if (resid < m->m_len) {
+ if (!top && resid + max_linkhdr <= m->m_len)
+ m->m_data += max_linkhdr;
+ m->m_len = resid;
+ }
+ }
+ resid -= m->m_len;
+ *mymp = m;
+ mymp = &m->m_next;
+ } while (resid > 0);
+
+ resid = totlen;
+ m = top;
+ thismboff = 0;
+ head = ie->rbhead;
+
+ /*
+ * Now we take the mbuf chain (hopefully only one mbuf most of the
+ * time) and stuff the data into it. There are no possible failures
+ * at or after this point.
+ */
+ while (resid > 0) { /* while there's stuff left */
+ int thislen = ie_buflen(ie, head) - offset;
+
+ /*
+ * If too much data for the current mbuf, then fill the
+ * current one up, go to the next one, and try again.
+ */
+ if (thislen > m->m_len - thismboff) {
+ int newlen = m->m_len - thismboff;
+
+ bcopy((caddr_t) (ie->cbuffs[head] + offset),
+ mtod(m, caddr_t) +thismboff, (unsigned) newlen);
+ /* ignore cast-qual warning */
+ m = m->m_next;
+ thismboff = 0; /* new mbuf, so no offset */
+ offset += newlen; /* we are now this far into
+ * the packet */
+ resid -= newlen; /* so there is this much left
+ * to get */
+ continue;
+ }
+ /*
+ * If there is more than enough space in the mbuf to hold
+ * the contents of this buffer, copy everything in, advance
+ * pointers, and so on.
+ */
+ if (thislen < m->m_len - thismboff) {
+ bcopy((caddr_t) (ie->cbuffs[head] + offset),
+ mtod(m, caddr_t) +thismboff, (unsigned) thislen);
+ thismboff += thislen; /* we are this far into the
+ * mbuf */
+ resid -= thislen; /* and this much is left */
+ goto nextbuf;
+ }
+ /*
+ * Otherwise, there is exactly enough space to put this
+ * buffer's contents into the current mbuf. Do the
+ * combination of the above actions.
+ */
+ bcopy((caddr_t) (ie->cbuffs[head] + offset),
+ mtod(m, caddr_t) + thismboff, (unsigned) thislen);
+ m = m->m_next;
+ thismboff = 0; /* new mbuf, start at the beginning */
+ resid -= thislen; /* and we are this far through */
+
+ /*
+ * Advance all the pointers. We can get here from either of
+ * the last two cases, but never the first.
+ */
nextbuf:
- offset = 0;
- ie->rbuffs[head]->ie_rbd_actual = 0;
- ie->rbuffs[head]->ie_rbd_length |= IE_RBD_LAST;
- ie->rbhead = head = (head + 1) % ie->nrxbufs;
- ie->rbuffs[ie->rbtail]->ie_rbd_length &= ~IE_RBD_LAST;
- ie->rbtail = (ie->rbtail + 1) % ie->nrxbufs;
- }
-
- /*
- * Unless something changed strangely while we were doing the copy,
- * we have now copied everything in from the shared memory.
- * This means that we are done.
- */
- return 0;
+ offset = 0;
+ ie->rbuffs[head]->ie_rbd_actual = 0;
+ ie->rbuffs[head]->ie_rbd_length |= IE_RBD_LAST;
+ ie->rbhead = head = (head + 1) % ie->nrxbufs;
+ ie->rbuffs[ie->rbtail]->ie_rbd_length &= ~IE_RBD_LAST;
+ ie->rbtail = (ie->rbtail + 1) % ie->nrxbufs;
+ }
+
+ /*
+ * Unless something changed strangely while we were doing the copy,
+ * we have now copied everything in from the shared memory. This
+ * means that we are done.
+ */
+ return (0);
}
/*
@@ -1404,128 +1412,132 @@ nextbuf:
* This routine reads the RFD at NUM, and copies in the buffers from
* the list of RBD, then rotates the RBD and RFD lists so that the receiver
* doesn't start complaining. Trailers are DROPPED---there's no point
- * in wasting time on confusing code to deal with them. Hopefully,
+ * in wasting time on confusing code to deal with them. Hopefully,
* this machine will never ARP for trailers anyway.
*/
-static void ie_readframe(unit, ie, num)
- int unit;
- struct ie_softc *ie;
- int num; /* frame number to read */
+static void
+ie_readframe(int unit, struct ie_softc *ie, int num/* frame number to read */)
{
- struct ie_recv_frame_desc rfd;
- struct mbuf *m = 0;
- struct ether_header eh;
+ struct ie_recv_frame_desc rfd;
+ struct mbuf *m = 0;
+ struct ether_header eh;
+
#if NBPFILTER > 0
- int bpf_gets_it = 0;
+ int bpf_gets_it = 0;
+
#endif
- bcopy((caddr_t)(ie->rframes[num]), &rfd, sizeof(struct ie_recv_frame_desc));
+ bcopy((caddr_t) (ie->rframes[num]), &rfd,
+ sizeof(struct ie_recv_frame_desc));
- /* Immediately advance the RFD list, since we we have copied ours now. */
- ie->rframes[num]->ie_fd_status = 0;
- ie->rframes[num]->ie_fd_last |= IE_FD_LAST;
- ie->rframes[ie->rftail]->ie_fd_last &= ~IE_FD_LAST;
- ie->rftail = (ie->rftail + 1) % ie->nframes;
- ie->rfhead = (ie->rfhead + 1) % ie->nframes;
+ /*
+ * Immediately advance the RFD list, since we we have copied ours
+ * now.
+ */
+ ie->rframes[num]->ie_fd_status = 0;
+ ie->rframes[num]->ie_fd_last |= IE_FD_LAST;
+ ie->rframes[ie->rftail]->ie_fd_last &= ~IE_FD_LAST;
+ ie->rftail = (ie->rftail + 1) % ie->nframes;
+ ie->rfhead = (ie->rfhead + 1) % ie->nframes;
- if(rfd.ie_fd_status & IE_FD_OK) {
- if(
+ if (rfd.ie_fd_status & IE_FD_OK) {
#if NBPFILTER > 0
- ieget(unit, ie, &m, &eh, &bpf_gets_it)
+ if (ieget(unit, ie, &m, &eh, &bpf_gets_it)) {
#else
- ieget(unit, ie, &m, &eh, (int *)0)
+ if (ieget(unit, ie, &m, &eh, (int *)0)) {
#endif
- ) {
- ie->arpcom.ac_if.if_ierrors++; /* this counts as an error */
- return;
- }
- }
-
+ ie->arpcom.ac_if.if_ierrors++; /* this counts as an
+ * error */
+ return;
+ }
+ }
#ifdef DEBUG
- if(ie_debug & IED_READFRAME) {
- printf("ie%d: frame from ether %6D type %x\n", unit,
- eh.ether_shost, ":", (unsigned)eh.ether_type);
- }
- if(ntohs(eh.ether_type) > ETHERTYPE_TRAIL
- && ntohs(eh.ether_type) < (ETHERTYPE_TRAIL + ETHERTYPE_NTRAILER))
- printf("received trailer!\n");
+ if (ie_debug & IED_READFRAME) {
+ printf("ie%d: frame from ether %6D type %x\n", unit,
+ eh.ether_shost, ":", (unsigned) eh.ether_type);
+ }
+ if (ntohs(eh.ether_type) > ETHERTYPE_TRAIL
+ && ntohs(eh.ether_type) < (ETHERTYPE_TRAIL + ETHERTYPE_NTRAILER))
+ printf("received trailer!\n");
#endif
- if(!m) return;
-
- if(last_not_for_us) {
- m_freem(last_not_for_us);
- last_not_for_us = 0;
- }
+ if (!m)
+ return;
+ if (last_not_for_us) {
+ m_freem(last_not_for_us);
+ last_not_for_us = 0;
+ }
#if NBPFILTER > 0
- /*
- * Check for a BPF filter; if so, hand it up.
- * Note that we have to stick an extra mbuf up front, because
- * bpf_mtap expects to have the ether header at the front.
- * It doesn't matter that this results in an ill-formatted mbuf chain,
- * since BPF just looks at the data. (It doesn't try to free the mbuf,
- * tho' it will make a copy for tcpdump.)
- */
- if(bpf_gets_it) {
- struct mbuf m0;
- m0.m_len = sizeof eh;
- m0.m_data = (caddr_t)&eh;
- m0.m_next = m;
-
- /* Pass it up */
- bpf_mtap(&ie->arpcom.ac_if, &m0);
- }
- /*
- * A signal passed up from the filtering code indicating that the
- * packet is intended for BPF but not for the protocol machinery.
- * We can save a few cycles by not handing it off to them.
- */
- if(bpf_gets_it == 2) {
- last_not_for_us = m;
- return;
- }
-#endif /* NBPFILTER > 0 */
- /*
- * In here there used to be code to check destination addresses upon
- * receipt of a packet. We have deleted that code, and replaced it
- * with code to check the address much earlier in the cycle, before
- * copying the data in; this saves us valuable cycles when operating
- * as a multicast router or when using BPF.
- */
-
- /*
- * Finally pass this packet up to higher layers.
- */
- ether_input(&ie->arpcom.ac_if, &eh, m);
-}
+ /*
+ * Check for a BPF filter; if so, hand it up. Note that we have to
+ * stick an extra mbuf up front, because bpf_mtap expects to have
+ * the ether header at the front. It doesn't matter that this
+ * results in an ill-formatted mbuf chain, since BPF just looks at
+ * the data. (It doesn't try to free the mbuf, tho' it will make a
+ * copy for tcpdump.)
+ */
+ if (bpf_gets_it) {
+ struct mbuf m0;
+
+ m0.m_len = sizeof eh;
+ m0.m_data = (caddr_t)&eh;
+ m0.m_next = m;
+
+ /* Pass it up */
+ bpf_mtap(&ie->arpcom.ac_if, &m0);
+ }
+ /*
+ * A signal passed up from the filtering code indicating that the
+ * packet is intended for BPF but not for the protocol machinery. We
+ * can save a few cycles by not handing it off to them.
+ */
+ if (bpf_gets_it == 2) {
+ last_not_for_us = m;
+ return;
+ }
+#endif /* NBPFILTER > 0 */
+ /*
+ * In here there used to be code to check destination addresses upon
+ * receipt of a packet. We have deleted that code, and replaced it
+ * with code to check the address much earlier in the cycle, before
+ * copying the data in; this saves us valuable cycles when operating
+ * as a multicast router or when using BPF.
+ */
-static void ie_drop_packet_buffer(int unit, struct ie_softc *ie) {
- int i;
+ /*
+ * Finally pass this packet up to higher layers.
+ */
+ ether_input(&ie->arpcom.ac_if, &eh, m);
+}
- do {
- /*
- * This means we are somehow out of sync. So, we reset the
- * adapter.
- */
- if(!(ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_USED)) {
+static void
+ie_drop_packet_buffer(int unit, struct ie_softc * ie)
+{
+ int i;
+
+ do {
+ /*
+ * This means we are somehow out of sync. So, we reset the
+ * adapter.
+ */
+ if (!(ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_USED)) {
#ifdef DEBUG
- print_rbd(ie->rbuffs[ie->rbhead]);
+ print_rbd(ie->rbuffs[ie->rbhead]);
#endif
- log(LOG_ERR, "ie%d: receive descriptors out of sync at %d\n",
- unit, ie->rbhead);
- iereset(unit);
- return;
- }
-
- i = ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_LAST;
-
- ie->rbuffs[ie->rbhead]->ie_rbd_length |= IE_RBD_LAST;
- ie->rbuffs[ie->rbhead]->ie_rbd_actual = 0;
- ie->rbhead = (ie->rbhead + 1) % ie->nrxbufs;
- ie->rbuffs[ie->rbtail]->ie_rbd_length &= ~IE_RBD_LAST;
- ie->rbtail = (ie->rbtail + 1) % ie->nrxbufs;
- } while(!i);
+ log(LOG_ERR, "ie%d: receive descriptors out of sync at %d\n",
+ unit, ie->rbhead);
+ iereset(unit);
+ return;
+ }
+ i = ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_LAST;
+
+ ie->rbuffs[ie->rbhead]->ie_rbd_length |= IE_RBD_LAST;
+ ie->rbuffs[ie->rbhead]->ie_rbd_actual = 0;
+ ie->rbhead = (ie->rbhead + 1) % ie->nrxbufs;
+ ie->rbuffs[ie->rbtail]->ie_rbd_length &= ~IE_RBD_LAST;
+ ie->rbtail = (ie->rbtail + 1) % ie->nrxbufs;
+ } while (!i);
}
@@ -1533,208 +1545,207 @@ static void ie_drop_packet_buffer(int unit, struct ie_softc *ie) {
* Start transmission on an interface.
*/
static void
-iestart(ifp)
- struct ifnet *ifp;
+iestart(struct ifnet *ifp)
{
- struct ie_softc *ie = ifp->if_softc;
- struct mbuf *m0, *m;
- unsigned char *buffer;
- u_short len;
- /* This is not really volatile, in this routine, but it makes gcc happy. */
- volatile u_short *bptr = &ie->scb->ie_command_list;
-
- if(!(ifp->if_flags & IFF_RUNNING))
- return;
- if(ifp->if_flags & IFF_OACTIVE)
- return;
-
- do {
- IF_DEQUEUE(&ie->arpcom.ac_if.if_snd, m);
- if(!m)
- break;
-
- buffer = ie->xmit_cbuffs[ie->xmit_count];
- len = 0;
-
- for(m0 = m; m && len < IE_BUF_LEN; m = m->m_next) {
- bcopy(mtod(m, caddr_t), buffer, m->m_len);
- buffer += m->m_len;
- len += m->m_len;
- }
-
- m_freem(m0);
- len = max(len, ETHER_MIN_LEN);
+ struct ie_softc *ie = ifp->if_softc;
+ struct mbuf *m0, *m;
+ unsigned char *buffer;
+ u_short len;
+
+ /*
+ * This is not really volatile, in this routine, but it makes gcc
+ * happy.
+ */
+ volatile u_short *bptr = &ie->scb->ie_command_list;
+
+ if (!(ifp->if_flags & IFF_RUNNING))
+ return;
+ if (ifp->if_flags & IFF_OACTIVE)
+ return;
+
+ do {
+ IF_DEQUEUE(&ie->arpcom.ac_if.if_snd, m);
+ if (!m)
+ break;
+
+ buffer = ie->xmit_cbuffs[ie->xmit_count];
+ len = 0;
+
+ for (m0 = m; m && len < IE_BUF_LEN; m = m->m_next) {
+ bcopy(mtod(m, caddr_t), buffer, m->m_len);
+ buffer += m->m_len;
+ len += m->m_len;
+ }
+
+ m_freem(m0);
+ len = max(len, ETHER_MIN_LEN);
#if NBPFILTER > 0
- /*
- * See if bpf is listening on this interface, let it see the packet
- * before we commit it to the wire.
- */
- if(ie->arpcom.ac_if.if_bpf)
- bpf_tap(&ie->arpcom.ac_if, ie->xmit_cbuffs[ie->xmit_count], len);
+ /*
+ * See if bpf is listening on this interface, let it see the
+ * packet before we commit it to the wire.
+ */
+ if (ie->arpcom.ac_if.if_bpf)
+ bpf_tap(&ie->arpcom.ac_if,
+ ie->xmit_cbuffs[ie->xmit_count], len);
#endif
- ie->xmit_buffs[ie->xmit_count]->ie_xmit_flags = IE_XMIT_LAST | len;
- ie->xmit_buffs[ie->xmit_count]->ie_xmit_next = 0xffff;
- ie->xmit_buffs[ie->xmit_count]->ie_xmit_buf =
- MK_24(ie->iomem, ie->xmit_cbuffs[ie->xmit_count]);
-
- ie->xmit_cmds[ie->xmit_count]->com.ie_cmd_cmd = IE_CMD_XMIT;
- ie->xmit_cmds[ie->xmit_count]->ie_xmit_status = 0;
- ie->xmit_cmds[ie->xmit_count]->ie_xmit_desc =
- MK_16(ie->iomem, ie->xmit_buffs[ie->xmit_count]);
-
- *bptr = MK_16(ie->iomem, ie->xmit_cmds[ie->xmit_count]);
- bptr = &ie->xmit_cmds[ie->xmit_count]->com.ie_cmd_link;
- ie->xmit_count++;
- } while (ie->xmit_count < ie->ntxbufs);
-
- /*
- * If we queued up anything for transmission, send it.
- */
- if(ie->xmit_count) {
- ie->xmit_cmds[ie->xmit_count - 1]->com.ie_cmd_cmd |=
- IE_CMD_LAST | IE_CMD_INTR;
-
- /*
- * By passing the command pointer as a null, we tell
- * command_and_wait() to pretend that this isn't an action
- * command. I wish I understood what was happening here.
- */
- command_and_wait(ifp->if_unit, IE_CU_START, 0, 0);
- ifp->if_flags |= IFF_OACTIVE;
- }
-
- return;
+ ie->xmit_buffs[ie->xmit_count]->ie_xmit_flags =
+ IE_XMIT_LAST|len;
+ ie->xmit_buffs[ie->xmit_count]->ie_xmit_next = 0xffff;
+ ie->xmit_buffs[ie->xmit_count]->ie_xmit_buf =
+ MK_24(ie->iomem, ie->xmit_cbuffs[ie->xmit_count]);
+
+ ie->xmit_cmds[ie->xmit_count]->com.ie_cmd_cmd = IE_CMD_XMIT;
+ ie->xmit_cmds[ie->xmit_count]->ie_xmit_status = 0;
+ ie->xmit_cmds[ie->xmit_count]->ie_xmit_desc =
+ MK_16(ie->iomem, ie->xmit_buffs[ie->xmit_count]);
+
+ *bptr = MK_16(ie->iomem, ie->xmit_cmds[ie->xmit_count]);
+ bptr = &ie->xmit_cmds[ie->xmit_count]->com.ie_cmd_link;
+ ie->xmit_count++;
+ } while (ie->xmit_count < ie->ntxbufs);
+
+ /*
+ * If we queued up anything for transmission, send it.
+ */
+ if (ie->xmit_count) {
+ ie->xmit_cmds[ie->xmit_count - 1]->com.ie_cmd_cmd |=
+ IE_CMD_LAST | IE_CMD_INTR;
+
+ /*
+ * By passing the command pointer as a null, we tell
+ * command_and_wait() to pretend that this isn't an action
+ * command. I wish I understood what was happening here.
+ */
+ command_and_wait(ifp->if_unit, IE_CU_START, 0, 0);
+ ifp->if_flags |= IFF_OACTIVE;
+ }
+ return;
}
/*
* Check to see if there's an 82586 out there.
*/
static int
-check_ie_present(unit, where, size)
- int unit;
- caddr_t where;
- unsigned size;
+check_ie_present(int unit, caddr_t where, unsigned size)
{
- volatile struct ie_sys_conf_ptr *scp;
- volatile struct ie_int_sys_conf_ptr *iscp;
- volatile struct ie_sys_ctl_block *scb;
- u_long realbase;
- int s;
-
- s = splimp();
-
- realbase = (u_long)where + size - (1 << 24);
+ volatile struct ie_sys_conf_ptr *scp;
+ volatile struct ie_int_sys_conf_ptr *iscp;
+ volatile struct ie_sys_ctl_block *scb;
+ u_long realbase;
+ int s;
- scp = (volatile struct ie_sys_conf_ptr *)(realbase + IE_SCP_ADDR);
- bzero((char *)scp, sizeof *scp); /* ignore cast-qual */
+ s = splimp();
- /*
- * First we put the ISCP at the bottom of memory; this tests to make
- * sure that our idea of the size of memory is the same as the controller's.
- * This is NOT where the ISCP will be in normal operation.
- */
- iscp = (volatile struct ie_int_sys_conf_ptr *)where;
- bzero((char *)iscp, sizeof *iscp); /* ignore cast-qual */
+ realbase = (u_long) where + size - (1 << 24);
- scb = (volatile struct ie_sys_ctl_block *)where;
- bzero((char *)scb, sizeof *scb); /* ignore cast-qual */
+ scp = (volatile struct ie_sys_conf_ptr *) (realbase + IE_SCP_ADDR);
+ bzero((char *) scp, sizeof *scp);
- scp->ie_bus_use = ie_softc[unit].bus_use; /* 8-bit or 16-bit */
- scp->ie_iscp_ptr = (caddr_t)((volatile caddr_t)iscp - /* ignore cast-qual */
- (volatile caddr_t)realbase);
+ /*
+ * First we put the ISCP at the bottom of memory; this tests to make
+ * sure that our idea of the size of memory is the same as the
+ * controller's. This is NOT where the ISCP will be in normal
+ * operation.
+ */
+ iscp = (volatile struct ie_int_sys_conf_ptr *) where;
+ bzero((char *)iscp, sizeof *iscp);
- iscp->ie_busy = 1;
- iscp->ie_scb_offset = MK_16(realbase, scb) + 256;
+ scb = (volatile struct ie_sys_ctl_block *) where;
+ bzero((char *)scb, sizeof *scb);
- (*ie_softc[unit].ie_reset_586)(unit);
- (*ie_softc[unit].ie_chan_attn)(unit);
+ scp->ie_bus_use = ie_softc[unit].bus_use; /* 8-bit or 16-bit */
+ scp->ie_iscp_ptr = (caddr_t) ((volatile caddr_t) iscp -
+ (volatile caddr_t) realbase);
- DELAY(100); /* wait a while... */
+ iscp->ie_busy = 1;
+ iscp->ie_scb_offset = MK_16(realbase, scb) + 256;
- if(iscp->ie_busy) {
- splx(s);
- return 0;
- }
+ (*ie_softc[unit].ie_reset_586) (unit);
+ (*ie_softc[unit].ie_chan_attn) (unit);
- /*
- * Now relocate the ISCP to its real home, and reset the controller
- * again.
- */
- iscp = (void *)Align((caddr_t)(realbase + IE_SCP_ADDR -
- sizeof(struct ie_int_sys_conf_ptr)));
- bzero((char *)iscp, sizeof *iscp); /* ignore cast-qual */
+ DELAY(100); /* wait a while... */
- scp->ie_iscp_ptr = (caddr_t)((caddr_t)iscp - (caddr_t)realbase);
- /* ignore cast-qual */
+ if (iscp->ie_busy) {
+ splx(s);
+ return (0);
+ }
+ /*
+ * Now relocate the ISCP to its real home, and reset the controller
+ * again.
+ */
+ iscp = (void *) Align((caddr_t) (realbase + IE_SCP_ADDR -
+ sizeof(struct ie_int_sys_conf_ptr)));
+ bzero((char *) iscp, sizeof *iscp); /* ignore cast-qual */
- iscp->ie_busy = 1;
- iscp->ie_scb_offset = MK_16(realbase, scb);
+ scp->ie_iscp_ptr = (caddr_t) ((caddr_t) iscp - (caddr_t) realbase);
+ /* ignore cast-qual */
- (*ie_softc[unit].ie_reset_586)(unit);
- (*ie_softc[unit].ie_chan_attn)(unit);
+ iscp->ie_busy = 1;
+ iscp->ie_scb_offset = MK_16(realbase, scb);
- DELAY(100);
+ (*ie_softc[unit].ie_reset_586) (unit);
+ (*ie_softc[unit].ie_chan_attn) (unit);
- if(iscp->ie_busy) {
- splx(s);
- return 0;
- }
+ DELAY(100);
- ie_softc[unit].iosize = size;
- ie_softc[unit].iomem = (caddr_t)realbase;
+ if (iscp->ie_busy) {
+ splx(s);
+ return (0);
+ }
+ ie_softc[unit].iosize = size;
+ ie_softc[unit].iomem = (caddr_t) realbase;
- ie_softc[unit].iscp = iscp;
- ie_softc[unit].scb = scb;
+ ie_softc[unit].iscp = iscp;
+ ie_softc[unit].scb = scb;
- /*
- * Acknowledge any interrupts we may have caused...
- */
- ie_ack(scb, IE_ST_WHENCE, unit, ie_softc[unit].ie_chan_attn);
- splx(s);
+ /*
+ * Acknowledge any interrupts we may have caused...
+ */
+ ie_ack(scb, IE_ST_WHENCE, unit, ie_softc[unit].ie_chan_attn);
+ splx(s);
- return 1;
+ return (1);
}
/*
* Divine the memory size of ie board UNIT.
* Better hope there's nothing important hiding just below the ie card...
*/
-static void find_ie_mem_size(unit)
- int unit;
+static void
+find_ie_mem_size(int unit)
{
- unsigned size;
+ unsigned size;
- ie_softc[unit].iosize = 0;
+ ie_softc[unit].iosize = 0;
- for(size = 65536; size >= 8192; size -= 8192) {
- if(check_ie_present(unit, ie_softc[unit].iomembot, size)) {
- return;
- }
- }
+ for (size = 65536; size >= 8192; size -= 8192) {
+ if (check_ie_present(unit, ie_softc[unit].iomembot, size)) {
+ return;
+ }
+ }
- return;
+ return;
}
-void el_reset_586(unit)
- int unit;
+void
+el_reset_586(int unit)
{
- outb(PORT + IE507_CTRL, EL_CTRL_RESET);
- DELAY(100);
- outb(PORT + IE507_CTRL, EL_CTRL_NORMAL);
- DELAY(100);
+ outb(PORT + IE507_CTRL, EL_CTRL_RESET);
+ DELAY(100);
+ outb(PORT + IE507_CTRL, EL_CTRL_NORMAL);
+ DELAY(100);
}
-void sl_reset_586(unit)
- int unit;
+void
+sl_reset_586(int unit)
{
- outb(PORT + IEATT_RESET, 0);
+ outb(PORT + IEATT_RESET, 0);
}
void
-ee16_reset_586(unit)
- int unit;
+ee16_reset_586(int unit)
{
outb(PORT + IEE16_ECTRL, IEE16_RESET_586);
DELAY(100);
@@ -1742,31 +1753,28 @@ ee16_reset_586(unit)
DELAY(100);
}
-void el_chan_attn(unit)
- int unit;
+void
+el_chan_attn(int unit)
{
- outb(PORT + IE507_ATTN, 1);
+ outb(PORT + IE507_ATTN, 1);
}
-void sl_chan_attn(unit)
- int unit;
+void
+sl_chan_attn(int unit)
{
- outb(PORT + IEATT_ATTN, 0);
+ outb(PORT + IEATT_ATTN, 0);
}
void
-ee16_chan_attn(unit)
- int unit;
+ee16_chan_attn(int unit)
{
outb(PORT + IEE16_ATTN, 0);
}
u_short
-ee16_read_eeprom(sc, location)
- struct ie_softc *sc;
- int location;
+ee16_read_eeprom(struct ie_softc *sc, int location)
{
- int ectrl, edata;
+ int ectrl, edata;
ectrl = inb(sc->port + IEE16_ECTRL);
ectrl &= IEE16_ECTRL_MASK;
@@ -1785,11 +1793,9 @@ ee16_read_eeprom(sc, location)
}
void
-ee16_eeprom_outbits(sc, edata, count)
- struct ie_softc *sc;
- int edata, count;
+ee16_eeprom_outbits(struct ie_softc *sc, int edata, int count)
{
- int ectrl, i;
+ int ectrl, i;
ectrl = inb(sc->port + IEE16_ECTRL);
ectrl &= ~IEE16_RESET_ASIC;
@@ -1809,10 +1815,9 @@ ee16_eeprom_outbits(sc, edata, count)
}
int
-ee16_eeprom_inbits(sc)
- struct ie_softc *sc;
+ee16_eeprom_inbits(struct ie_softc *sc)
{
- int ectrl, edata, i;
+ int ectrl, edata, i;
ectrl = inb(sc->port + IEE16_ECTRL);
ectrl &= ~IEE16_RESET_ASIC;
@@ -1829,11 +1834,9 @@ ee16_eeprom_inbits(sc)
}
void
-ee16_eeprom_clock(sc, state)
- struct ie_softc *sc;
- int state;
+ee16_eeprom_clock(struct ie_softc *sc, int state)
{
- int ectrl;
+ int ectrl;
ectrl = inb(sc->port + IEE16_ECTRL);
ectrl &= ~(IEE16_RESET_ASIC | IEE16_ECTRL_EESK);
@@ -1845,69 +1848,65 @@ ee16_eeprom_clock(sc, state)
}
static inline void
-ee16_interrupt_enable(sc)
- struct ie_softc *sc;
+ee16_interrupt_enable(struct ie_softc *sc)
{
DELAY(100);
outb(sc->port + IEE16_IRQ, sc->irq_encoded | IEE16_IRQ_ENABLE);
DELAY(100);
}
-void sl_read_ether(unit, addr)
- int unit;
- unsigned char addr[6];
+void
+sl_read_ether(int unit, unsigned char addr[6])
{
- int i;
+ int i;
- for(i = 0; i < 6; i++)
- addr[i] = inb(PORT + i);
+ for (i = 0; i < 6; i++)
+ addr[i] = inb(PORT + i);
}
static void
-iereset(unit)
- int unit;
+iereset(int unit)
{
- int s = splimp();
-
- if(unit >= NIE) {
- splx(s);
- return;
- }
+ int s = splimp();
- printf("ie%d: reset\n", unit);
- ie_softc[unit].arpcom.ac_if.if_flags &= ~IFF_UP;
- ieioctl(&ie_softc[unit].arpcom.ac_if, SIOCSIFFLAGS, 0);
+ if (unit >= NIE) {
+ splx(s);
+ return;
+ }
+ printf("ie%d: reset\n", unit);
+ ie_softc[unit].arpcom.ac_if.if_flags &= ~IFF_UP;
+ ieioctl(&ie_softc[unit].arpcom.ac_if, SIOCSIFFLAGS, 0);
- /*
- * Stop i82586 dead in its tracks.
- */
- if(command_and_wait(unit, IE_RU_ABORT | IE_CU_ABORT, 0, 0))
- printf("ie%d: abort commands timed out\n", unit);
+ /*
+ * Stop i82586 dead in its tracks.
+ */
+ if (command_and_wait(unit, IE_RU_ABORT | IE_CU_ABORT, 0, 0))
+ printf("ie%d: abort commands timed out\n", unit);
- if(command_and_wait(unit, IE_RU_DISABLE | IE_CU_STOP, 0, 0))
- printf("ie%d: disable commands timed out\n", unit);
+ if (command_and_wait(unit, IE_RU_DISABLE | IE_CU_STOP, 0, 0))
+ printf("ie%d: disable commands timed out\n", unit);
#ifdef notdef
- if(!check_ie_present(unit, ie_softc[unit].iomembot, ie_softc[unit].iosize))
- panic("ie disappeared!");
+ if (!check_ie_present(unit, ie_softc[unit].iomembot,
+ e_softc[unit].iosize))
+ panic("ie disappeared!");
#endif
- ie_softc[unit].arpcom.ac_if.if_flags |= IFF_UP;
- ieioctl(&ie_softc[unit].arpcom.ac_if, SIOCSIFFLAGS, 0);
+ ie_softc[unit].arpcom.ac_if.if_flags |= IFF_UP;
+ ieioctl(&ie_softc[unit].arpcom.ac_if, SIOCSIFFLAGS, 0);
- splx(s);
- return;
+ splx(s);
+ return;
}
/*
* This is called if we time out.
*/
static void
-chan_attn_timeout(rock)
- void *rock;
+chan_attn_timeout(void *rock)
{
- *(int *)rock = 1;
+ *(int *) rock = 1;
}
/*
@@ -1919,205 +1918,207 @@ chan_attn_timeout(rock)
* ((volatile struct ie_cmd_common *)pcmd)->ie_cmd_status & MASK
* to become true.
*/
-static int command_and_wait(unit, cmd, pcmd, mask)
- int unit;
- int cmd;
- volatile void *pcmd;
- int mask;
+static int
+command_and_wait(int unit, int cmd, volatile void *pcmd, int mask)
{
- volatile struct ie_cmd_common *cc = pcmd;
- volatile int timedout = 0;
-
- ie_softc[unit].scb->ie_command = (u_short)cmd;
-
- if(IE_ACTION_COMMAND(cmd) && pcmd) {
- (*ie_softc[unit].ie_chan_attn)(unit);
-
- /*
- * According to the packet driver, the minimum timeout should be
- * .369 seconds, which we round up to .37.
- */
- timeout(chan_attn_timeout, (caddr_t)&timedout, 37 * hz / 100);
- /* ignore cast-qual */
-
- /*
- * Now spin-lock waiting for status. This is not a very nice
- * thing to do, but I haven't figured out how, or indeed if, we
- * can put the process waiting for action to sleep. (We may
- * be getting called through some other timeout running in the
- * kernel.)
- */
- while(1) {
- if((cc->ie_cmd_status & mask) || timedout)
- break;
- }
-
- untimeout(chan_attn_timeout, (caddr_t)&timedout);
- /* ignore cast-qual */
-
- return timedout;
- } else {
-
- /*
- * Otherwise, just wait for the command to be accepted.
- */
- (*ie_softc[unit].ie_chan_attn)(unit);
-
- while(ie_softc[unit].scb->ie_command)
- ; /* spin lock */
-
- return 0;
- }
+ volatile struct ie_cmd_common *cc = pcmd;
+ volatile int timedout = 0;
+
+ ie_softc[unit].scb->ie_command = (u_short) cmd;
+
+ if (IE_ACTION_COMMAND(cmd) && pcmd) {
+ (*ie_softc[unit].ie_chan_attn) (unit);
+
+ /*
+ * According to the packet driver, the minimum timeout
+ * should be .369 seconds, which we round up to .37.
+ */
+ timeout(chan_attn_timeout, (caddr_t)&timedout, 37 * hz / 100);
+ /* ignore cast-qual */
+
+ /*
+ * Now spin-lock waiting for status. This is not a very
+ * nice thing to do, but I haven't figured out how, or
+ * indeed if, we can put the process waiting for action to
+ * sleep. (We may be getting called through some other
+ * timeout running in the kernel.)
+ */
+ while (1) {
+ if ((cc->ie_cmd_status & mask) || timedout)
+ break;
+ }
+
+ untimeout(chan_attn_timeout, (caddr_t)&timedout);
+ /* ignore cast-qual */
+
+ return (timedout);
+ } else {
+
+ /*
+ * Otherwise, just wait for the command to be accepted.
+ */
+ (*ie_softc[unit].ie_chan_attn) (unit);
+
+ while (ie_softc[unit].scb->ie_command); /* spin lock */
+
+ return (0);
+ }
}
/*
* Run the time-domain reflectometer...
*/
-static void run_tdr(unit, cmd)
- int unit;
- struct ie_tdr_cmd *cmd;
+static void
+run_tdr(int unit, struct ie_tdr_cmd *cmd)
{
- int result;
-
- cmd->com.ie_cmd_status = 0;
- cmd->com.ie_cmd_cmd = IE_CMD_TDR | IE_CMD_LAST;
- cmd->com.ie_cmd_link = 0xffff;
- cmd->ie_tdr_time = 0;
-
- ie_softc[unit].scb->ie_command_list = MK_16(MEM, cmd);
- cmd->ie_tdr_time = 0;
-
- if(command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL))
- result = 0x2000;
- else
- result = cmd->ie_tdr_time;
-
- ie_ack(ie_softc[unit].scb, IE_ST_WHENCE, unit,
- ie_softc[unit].ie_chan_attn);
-
- if(result & IE_TDR_SUCCESS)
- return;
-
- if(result & IE_TDR_XCVR) {
- printf("ie%d: transceiver problem\n", unit);
- } else if(result & IE_TDR_OPEN) {
- printf("ie%d: TDR detected an open %d clocks away\n", unit,
- result & IE_TDR_TIME);
- } else if(result & IE_TDR_SHORT) {
- printf("ie%d: TDR detected a short %d clocks away\n", unit,
- result & IE_TDR_TIME);
- } else {
- printf("ie%d: TDR returned unknown status %x\n", unit, result);
- }
+ int result;
+
+ cmd->com.ie_cmd_status = 0;
+ cmd->com.ie_cmd_cmd = IE_CMD_TDR | IE_CMD_LAST;
+ cmd->com.ie_cmd_link = 0xffff;
+ cmd->ie_tdr_time = 0;
+
+ ie_softc[unit].scb->ie_command_list = MK_16(MEM, cmd);
+ cmd->ie_tdr_time = 0;
+
+ if (command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL))
+ result = 0x2000;
+ else
+ result = cmd->ie_tdr_time;
+
+ ie_ack(ie_softc[unit].scb, IE_ST_WHENCE, unit,
+ ie_softc[unit].ie_chan_attn);
+
+ if (result & IE_TDR_SUCCESS)
+ return;
+
+ if (result & IE_TDR_XCVR) {
+ printf("ie%d: transceiver problem\n", unit);
+ } else if (result & IE_TDR_OPEN) {
+ printf("ie%d: TDR detected an open %d clocks away\n", unit,
+ result & IE_TDR_TIME);
+ } else if (result & IE_TDR_SHORT) {
+ printf("ie%d: TDR detected a short %d clocks away\n", unit,
+ result & IE_TDR_TIME);
+ } else {
+ printf("ie%d: TDR returned unknown status %x\n", unit, result);
+ }
}
-static void start_receiver(unit)
- int unit;
+static void
+start_receiver(int unit)
{
- int s = splimp();
+ int s = splimp();
- ie_softc[unit].scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
- command_and_wait(unit, IE_RU_START, 0, 0);
+ ie_softc[unit].scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
+ command_and_wait(unit, IE_RU_START, 0, 0);
- ie_ack(ie_softc[unit].scb, IE_ST_WHENCE, unit, ie_softc[unit].ie_chan_attn);
+ ie_ack(ie_softc[unit].scb, IE_ST_WHENCE, unit, ie_softc[unit].ie_chan_attn);
- splx(s);
+ splx(s);
}
/*
* Here is a helper routine for iernr() and ieinit(). This sets up
* the RFA.
*/
-static caddr_t setup_rfa(caddr_t ptr, struct ie_softc *ie) {
- volatile struct ie_recv_frame_desc *rfd = (void *)ptr;
- volatile struct ie_recv_buf_desc *rbd;
- int i;
- int unit = ie - &ie_softc[0];
-
- /* First lay them out */
- for(i = 0; i < ie->nframes; i++) {
- ie->rframes[i] = rfd;
- bzero((char *)rfd, sizeof *rfd); /* ignore cast-qual */
- rfd++;
- }
-
- ptr = (caddr_t)Align((caddr_t)rfd); /* ignore cast-qual */
-
- /* Now link them together */
- for(i = 0; i < ie->nframes; i++) {
- ie->rframes[i]->ie_fd_next =
- MK_16(MEM, ie->rframes[(i + 1) % ie->nframes]);
- }
-
- /* Finally, set the EOL bit on the last one. */
- ie->rframes[ie->nframes - 1]->ie_fd_last |= IE_FD_LAST;
-
- /*
- * Now lay out some buffers for the incoming frames. Note that
- * we set aside a bit of slop in each buffer, to make sure that
- * we have enough space to hold a single frame in every buffer.
- */
- rbd = (void *)ptr;
-
- for(i = 0; i < ie->nrxbufs; i++) {
- ie->rbuffs[i] = rbd;
- bzero((char *)rbd, sizeof *rbd); /* ignore cast-qual */
- ptr = (caddr_t)Align(ptr + sizeof *rbd);
- rbd->ie_rbd_length = IE_RBUF_SIZE;
- rbd->ie_rbd_buffer = MK_24(MEM, ptr);
- ie->cbuffs[i] = (void *)ptr;
- ptr += IE_RBUF_SIZE;
- rbd = (void *)ptr;
- }
-
- /* Now link them together */
- for(i = 0; i < ie->nrxbufs; i++) {
- ie->rbuffs[i]->ie_rbd_next = MK_16(MEM, ie->rbuffs[(i + 1) % ie->nrxbufs]);
- }
-
- /* Tag EOF on the last one */
- ie->rbuffs[ie->nrxbufs - 1]->ie_rbd_length |= IE_RBD_LAST;
-
- /* We use the head and tail pointers on receive to keep track of
- * the order in which RFDs and RBDs are used. */
- ie->rfhead = 0;
- ie->rftail = ie->nframes - 1;
- ie->rbhead = 0;
- ie->rbtail = ie->nrxbufs - 1;
-
- ie->scb->ie_recv_list = MK_16(MEM, ie->rframes[0]);
- ie->rframes[0]->ie_fd_buf_desc = MK_16(MEM, ie->rbuffs[0]);
-
- ptr = Align(ptr);
- return ptr;
+static caddr_t
+setup_rfa(caddr_t ptr, struct ie_softc * ie)
+{
+ volatile struct ie_recv_frame_desc *rfd = (void *) ptr;
+ volatile struct ie_recv_buf_desc *rbd;
+ int i;
+ int unit = ie - &ie_softc[0];
+
+ /* First lay them out */
+ for (i = 0; i < ie->nframes; i++) {
+ ie->rframes[i] = rfd;
+ bzero((char *) rfd, sizeof *rfd); /* ignore cast-qual */
+ rfd++;
+ }
+
+ ptr = (caddr_t) Align((caddr_t) rfd); /* ignore cast-qual */
+
+ /* Now link them together */
+ for (i = 0; i < ie->nframes; i++) {
+ ie->rframes[i]->ie_fd_next =
+ MK_16(MEM, ie->rframes[(i + 1) % ie->nframes]);
+ }
+
+ /* Finally, set the EOL bit on the last one. */
+ ie->rframes[ie->nframes - 1]->ie_fd_last |= IE_FD_LAST;
+
+ /*
+ * Now lay out some buffers for the incoming frames. Note that we
+ * set aside a bit of slop in each buffer, to make sure that we have
+ * enough space to hold a single frame in every buffer.
+ */
+ rbd = (void *) ptr;
+
+ for (i = 0; i < ie->nrxbufs; i++) {
+ ie->rbuffs[i] = rbd;
+ bzero((char *)rbd, sizeof *rbd);
+ ptr = (caddr_t) Align(ptr + sizeof *rbd);
+ rbd->ie_rbd_length = IE_RBUF_SIZE;
+ rbd->ie_rbd_buffer = MK_24(MEM, ptr);
+ ie->cbuffs[i] = (void *) ptr;
+ ptr += IE_RBUF_SIZE;
+ rbd = (void *) ptr;
+ }
+
+ /* Now link them together */
+ for (i = 0; i < ie->nrxbufs; i++) {
+ ie->rbuffs[i]->ie_rbd_next =
+ MK_16(MEM, ie->rbuffs[(i + 1) % ie->nrxbufs]);
+ }
+
+ /* Tag EOF on the last one */
+ ie->rbuffs[ie->nrxbufs - 1]->ie_rbd_length |= IE_RBD_LAST;
+
+ /*
+ * We use the head and tail pointers on receive to keep track of the
+ * order in which RFDs and RBDs are used.
+ */
+ ie->rfhead = 0;
+ ie->rftail = ie->nframes - 1;
+ ie->rbhead = 0;
+ ie->rbtail = ie->nrxbufs - 1;
+
+ ie->scb->ie_recv_list = MK_16(MEM, ie->rframes[0]);
+ ie->rframes[0]->ie_fd_buf_desc = MK_16(MEM, ie->rbuffs[0]);
+
+ ptr = Align(ptr);
+ return (ptr);
}
/*
* Run the multicast setup command.
* Call at splimp().
*/
-static int mc_setup(int unit, caddr_t ptr,
- volatile struct ie_sys_ctl_block *scb) {
- struct ie_softc *ie = &ie_softc[unit];
- volatile struct ie_mcast_cmd *cmd = (void *)ptr;
-
- cmd->com.ie_cmd_status = 0;
- cmd->com.ie_cmd_cmd = IE_CMD_MCAST | IE_CMD_LAST;
- cmd->com.ie_cmd_link = 0xffff;
-
- /* ignore cast-qual */
- bcopy((caddr_t)ie->mcast_addrs, (caddr_t)cmd->ie_mcast_addrs,
- ie->mcast_count * sizeof *ie->mcast_addrs);
-
- cmd->ie_mcast_bytes = ie->mcast_count * 6; /* grrr... */
-
- scb->ie_command_list = MK_16(MEM, cmd);
- if(command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
- || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
- printf("ie%d: multicast address setup command failed\n", unit);
- return 0;
- }
- return 1;
+static int
+mc_setup(int unit, caddr_t ptr,
+ volatile struct ie_sys_ctl_block * scb)
+{
+ struct ie_softc *ie = &ie_softc[unit];
+ volatile struct ie_mcast_cmd *cmd = (void *) ptr;
+
+ cmd->com.ie_cmd_status = 0;
+ cmd->com.ie_cmd_cmd = IE_CMD_MCAST | IE_CMD_LAST;
+ cmd->com.ie_cmd_link = 0xffff;
+
+ /* ignore cast-qual */
+ bcopy((caddr_t) ie->mcast_addrs, (caddr_t) cmd->ie_mcast_addrs,
+ ie->mcast_count * sizeof *ie->mcast_addrs);
+
+ cmd->ie_mcast_bytes = ie->mcast_count * 6; /* grrr... */
+
+ scb->ie_command_list = MK_16(MEM, cmd);
+ if (command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
+ || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
+ printf("ie%d: multicast address setup command failed\n", unit);
+ return (0);
+ }
+ return (1);
}
/*
@@ -2129,293 +2130,300 @@ static int mc_setup(int unit, caddr_t ptr,
* THIS ROUTINE MUST BE CALLED AT splimp() OR HIGHER.
*/
static void
-ieinit(unit)
- int unit;
+ieinit(int unit)
{
- struct ie_softc *ie = &ie_softc[unit];
- volatile struct ie_sys_ctl_block *scb = ie->scb;
- caddr_t ptr;
- int i;
-
- ptr = (caddr_t)Align((caddr_t)scb + sizeof *scb); /* ignore cast-qual */
-
- /*
- * Send the configure command first.
- */
- {
- volatile struct ie_config_cmd *cmd = (void *)ptr;
-
- ie_setup_config(cmd, ie->promisc, ie->hard_type == IE_STARLAN10);
- cmd->com.ie_cmd_status = 0;
- cmd->com.ie_cmd_cmd = IE_CMD_CONFIG | IE_CMD_LAST;
- cmd->com.ie_cmd_link = 0xffff;
-
- scb->ie_command_list = MK_16(MEM, cmd);
-
- if(command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
- || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
- printf("ie%d: configure command failed\n", unit);
- return;
- }
- }
- /*
- * Now send the Individual Address Setup command.
- */
- {
- volatile struct ie_iasetup_cmd *cmd = (void *)ptr;
-
- cmd->com.ie_cmd_status = 0;
- cmd->com.ie_cmd_cmd = IE_CMD_IASETUP | IE_CMD_LAST;
- cmd->com.ie_cmd_link = 0xffff;
-
- bcopy((char *)ie_softc[unit].arpcom.ac_enaddr, (char *)&cmd->ie_address,
- sizeof cmd->ie_address); /* ignore cast-qual */
-
- scb->ie_command_list = MK_16(MEM, cmd);
- if(command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
- || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
- printf("ie%d: individual address setup command failed\n", unit);
- return;
- }
- }
-
- /*
- * Now run the time-domain reflectometer.
- */
- run_tdr(unit, (void *)ptr);
-
- /*
- * Acknowledge any interrupts we have generated thus far.
- */
- ie_ack(ie->scb, IE_ST_WHENCE, unit, ie->ie_chan_attn);
-
- /*
- * Set up the RFA.
- */
- ptr = setup_rfa(ptr, ie);
-
- /*
- * Finally, the transmit command and buffer are the last little bit of work.
- */
-
- /* transmit command buffers */
- for (i = 0; i < ie->ntxbufs; i++) {
- ie->xmit_cmds[i] = (void *)ptr;
- ptr += sizeof *ie->xmit_cmds[i];
- ptr = Align(ptr);
- ie->xmit_buffs[i] = (void *)ptr;
- ptr += sizeof *ie->xmit_buffs[i];
- ptr = Align(ptr);
- }
-
- /* transmit buffers */
- for (i = 0; i < ie->ntxbufs - 1; i++) {
- ie->xmit_cbuffs[i] = (void *)ptr;
- ptr += IE_BUF_LEN;
- ptr = Align(ptr);
- }
- ie->xmit_cbuffs[ie->ntxbufs - 1] = (void *)ptr;
-
- for (i = 1; i < ie->ntxbufs; i++) { /* ignore */
- bzero((caddr_t)ie->xmit_cmds[i], sizeof *ie->xmit_cmds[i]); /* cast-qual */
- bzero((caddr_t)ie->xmit_buffs[i], sizeof *ie->xmit_buffs[i]);/* warnings */
- } /* here */
-
- /*
- * This must be coordinated with iestart() and ietint().
- */
- ie->xmit_cmds[0]->ie_xmit_status = IE_STAT_COMPL;
-
- /* take the ee16 out of loopback */
- if(ie->hard_type == IE_EE16) {
- u_int8_t bart_config;
-
- bart_config = inb(PORT + IEE16_CONFIG);
- bart_config &= ~IEE16_BART_LOOPBACK;
- /* inb doesn't get bit! */
- bart_config |= IEE16_BART_MCS16_TEST;
- outb(PORT + IEE16_CONFIG, bart_config);
- ee16_interrupt_enable(ie);
- ee16_chan_attn(unit);
- }
-
- ie->arpcom.ac_if.if_flags |= IFF_RUNNING; /* tell higher levels we're here */
- start_receiver(unit);
-
- return;
+ struct ie_softc *ie = &ie_softc[unit];
+ volatile struct ie_sys_ctl_block *scb = ie->scb;
+ caddr_t ptr;
+ int i;
+
+ ptr = (caddr_t) Align((caddr_t) scb + sizeof *scb);
+
+ /*
+ * Send the configure command first.
+ */
+ {
+ volatile struct ie_config_cmd *cmd = (void *) ptr;
+
+ ie_setup_config(cmd, ie->promisc,
+ ie->hard_type == IE_STARLAN10);
+ cmd->com.ie_cmd_status = 0;
+ cmd->com.ie_cmd_cmd = IE_CMD_CONFIG | IE_CMD_LAST;
+ cmd->com.ie_cmd_link = 0xffff;
+
+ scb->ie_command_list = MK_16(MEM, cmd);
+
+ if (command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
+ || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
+ printf("ie%d: configure command failed\n", unit);
+ return;
+ }
+ }
+ /*
+ * Now send the Individual Address Setup command.
+ */
+ {
+ volatile struct ie_iasetup_cmd *cmd = (void *) ptr;
+
+ cmd->com.ie_cmd_status = 0;
+ cmd->com.ie_cmd_cmd = IE_CMD_IASETUP | IE_CMD_LAST;
+ cmd->com.ie_cmd_link = 0xffff;
+
+ bcopy((char *)ie_softc[unit].arpcom.ac_enaddr,
+ (char *)&cmd->ie_address, sizeof cmd->ie_address);
+ scb->ie_command_list = MK_16(MEM, cmd);
+ if (command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
+ || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
+ printf("ie%d: individual address "
+ "setup command failed\n", unit);
+ return;
+ }
+ }
+
+ /*
+ * Now run the time-domain reflectometer.
+ */
+ run_tdr(unit, (void *) ptr);
+
+ /*
+ * Acknowledge any interrupts we have generated thus far.
+ */
+ ie_ack(ie->scb, IE_ST_WHENCE, unit, ie->ie_chan_attn);
+
+ /*
+ * Set up the RFA.
+ */
+ ptr = setup_rfa(ptr, ie);
+
+ /*
+ * Finally, the transmit command and buffer are the last little bit
+ * of work.
+ */
+
+ /* transmit command buffers */
+ for (i = 0; i < ie->ntxbufs; i++) {
+ ie->xmit_cmds[i] = (void *) ptr;
+ ptr += sizeof *ie->xmit_cmds[i];
+ ptr = Align(ptr);
+ ie->xmit_buffs[i] = (void *)ptr;
+ ptr += sizeof *ie->xmit_buffs[i];
+ ptr = Align(ptr);
+ }
+
+ /* transmit buffers */
+ for (i = 0; i < ie->ntxbufs - 1; i++) {
+ ie->xmit_cbuffs[i] = (void *)ptr;
+ ptr += IE_BUF_LEN;
+ ptr = Align(ptr);
+ }
+ ie->xmit_cbuffs[ie->ntxbufs - 1] = (void *) ptr;
+
+ for (i = 1; i < ie->ntxbufs; i++) {
+ bzero((caddr_t) ie->xmit_cmds[i], sizeof *ie->xmit_cmds[i]);
+ bzero((caddr_t) ie->xmit_buffs[i], sizeof *ie->xmit_buffs[i]);
+ }
+
+ /*
+ * This must be coordinated with iestart() and ietint().
+ */
+ ie->xmit_cmds[0]->ie_xmit_status = IE_STAT_COMPL;
+
+ /* take the ee16 out of loopback */
+ if (ie->hard_type == IE_EE16) {
+ u_int8_t bart_config;
+
+ bart_config = inb(PORT + IEE16_CONFIG);
+ bart_config &= ~IEE16_BART_LOOPBACK;
+ /* inb doesn't get bit! */
+ bart_config |= IEE16_BART_MCS16_TEST;
+ outb(PORT + IEE16_CONFIG, bart_config);
+ ee16_interrupt_enable(ie);
+ ee16_chan_attn(unit);
+ }
+ ie->arpcom.ac_if.if_flags |= IFF_RUNNING; /* tell higher levels
+ * we're here */
+ start_receiver(unit);
+
+ return;
}
-static void ie_stop(unit)
- int unit;
+static void
+ie_stop(int unit)
{
- command_and_wait(unit, IE_RU_DISABLE, 0, 0);
+ command_and_wait(unit, IE_RU_DISABLE, 0, 0);
}
static int
-ieioctl(ifp, command, data)
- struct ifnet *ifp;
- int command;
- caddr_t data;
+ieioctl(struct ifnet *ifp, int command, caddr_t data)
{
- struct ifaddr *ifa = (struct ifaddr *)data;
- struct ie_softc *ie = ifp->if_softc;
- struct ifreq *ifr = (struct ifreq *) data;
- int s, error = 0;
+ struct ifaddr *ifa = (struct ifaddr *) data;
+ struct ie_softc *ie = ifp->if_softc;
+ struct ifreq *ifr = (struct ifreq *) data;
+ int s, error = 0;
- s = splimp();
+ s = splimp();
- switch(command) {
- case SIOCSIFADDR:
- ifp->if_flags |= IFF_UP;
+ switch (command) {
+ case SIOCSIFADDR:
+ ifp->if_flags |= IFF_UP;
- switch(ifa->ifa_addr->sa_family) {
+ switch (ifa->ifa_addr->sa_family) {
#ifdef INET
- case AF_INET:
- ieinit(ifp->if_unit);
- arp_ifinit((struct arpcom *)ifp, ifa);
- break;
-#endif /* INET */
+ case AF_INET:
+ ieinit(ifp->if_unit);
+ arp_ifinit((struct arpcom *) ifp, ifa);
+ break;
+#endif /* INET */
#ifdef IPX
- /* This magic copied from if_is.c; I don't use XNS, so I have no
- * way of telling if this actually works or not.
- */
- case AF_IPX:
- {
- struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
-
- if(ipx_nullhost(*ina)) {
- ina->x_host = *(union ipx_host *)(ie->arpcom.ac_enaddr);
- } else {
- ifp->if_flags &= ~IFF_RUNNING;
- bcopy((caddr_t)ina->x_host.c_host,
- (caddr_t)ie->arpcom.ac_enaddr,
- sizeof ie->arpcom.ac_enaddr);
- }
-
- ieinit(ifp->if_unit);
- }
- break;
-#endif /* IPX */
+ /*
+ * This magic copied from if_is.c; I don't use XNS,
+ * so I have no way of telling if this actually
+ * works or not.
+ */
+ case AF_IPX:
+ {
+ struct ipx_addr *ina =
+ &(IA_SIPX(ifa)->sipx_addr);
+
+ if (ipx_nullhost(*ina)) {
+ ina->x_host = *(union ipx_host *) (ie->arpcom.ac_enaddr);
+ } else {
+ ifp->if_flags &= ~IFF_RUNNING;
+ bcopy((caddr_t) ina->x_host.c_host,
+ (caddr_t) ie->arpcom.ac_enaddr,
+ sizeof ie->arpcom.ac_enaddr);
+ }
+
+ ieinit(ifp->if_unit);
+ }
+ break;
+#endif /* IPX */
#ifdef NS
- /* This magic copied from if_is.c; I don't use XNS, so I have no
- * way of telling if this actually works or not.
- */
- case AF_NS:
- {
- struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
-
- if(ns_nullhost(*ina)) {
- ina->x_host = *(union ns_host *)(ie->arpcom.ac_enaddr);
- } else {
- ifp->if_flags &= ~IFF_RUNNING;
- bcopy((caddr_t)ina->x_host.c_host,
- (caddr_t)ie->arpcom.ac_enaddr,
- sizeof ie->arpcom.ac_enaddr);
+ /*
+ * This magic copied from if_is.c; I don't use XNS,
+ * so I have no way of telling if this actually
+ * works or not.
+ */
+ case AF_NS:
+ {
+ struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
+
+ if (ns_nullhost(*ina)) {
+ ina->x_host = *(union ns_host *)(ie->arpcom.ac_enaddr);
+ } else {
+ ifp->if_flags &= ~IFF_RUNNING;
+ bcopy((caddr_t) ina->x_host.c_host,
+ (caddr_t) ie->arpcom.ac_enaddr,
+ sizeof ie->arpcom.ac_enaddr);
+ }
+
+ ieinit(ifp->if_unit);
+ }
+ break;
+#endif /* NS */
+
+ default:
+ ieinit(ifp->if_unit);
+ break;
+ }
+ break;
+
+ case SIOCSIFFLAGS:
+ /*
+ * Note that this device doesn't have an "all multicast"
+ * mode, so we must turn on promiscuous mode and do the
+ * filtering manually.
+ */
+ if ((ifp->if_flags & IFF_UP) == 0 &&
+ (ifp->if_flags & IFF_RUNNING)) {
+ ifp->if_flags &= ~IFF_RUNNING;
+ ie_stop(ifp->if_unit);
+ } else if ((ifp->if_flags & IFF_UP) &&
+ (ifp->if_flags & IFF_RUNNING) == 0) {
+ ie_softc[ifp->if_unit].promisc =
+ ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI);
+ ieinit(ifp->if_unit);
+ } else if (ie_softc[ifp->if_unit].promisc ^
+ (ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI))) {
+ ie_softc[ifp->if_unit].promisc =
+ ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI);
+ ieinit(ifp->if_unit);
+ }
+ break;
+
+ case SIOCADDMULTI:
+ case SIOCDELMULTI:
+ /*
+ * Update multicast listeners
+ */
+ /* reset multicast filtering */
+ ie_mc_reset(ifp->if_unit);
+ error = 0;
+ break;
+
+ case SIOCSIFMTU:
+ /*
+ * Set the interface MTU.
+ */
+ if (ifr->ifr_mtu > ETHERMTU) {
+ error = EINVAL;
+ } else {
+ ifp->if_mtu = ifr->ifr_mtu;
+ }
+ break;
+
+ default:
+ error = EINVAL;
}
- ieinit(ifp->if_unit);
- }
- break;
-#endif /* NS */
-
- default:
- ieinit(ifp->if_unit);
- break;
- }
- break;
-
- case SIOCSIFFLAGS:
- /*
- * Note that this device doesn't have an "all multicast" mode, so we
- * must turn on promiscuous mode and do the filtering manually.
- */
- if((ifp->if_flags & IFF_UP) == 0 &&
- (ifp->if_flags & IFF_RUNNING)) {
- ifp->if_flags &= ~IFF_RUNNING;
- ie_stop(ifp->if_unit);
- } else if((ifp->if_flags & IFF_UP) &&
- (ifp->if_flags & IFF_RUNNING) == 0) {
- ie_softc[ifp->if_unit].promisc =
- ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI);
- ieinit(ifp->if_unit);
- } else if(ie_softc[ifp->if_unit].promisc ^
- (ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI))) {
- ie_softc[ifp->if_unit].promisc =
- ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI);
- ieinit(ifp->if_unit);
- }
- break;
-
- case SIOCADDMULTI:
- case SIOCDELMULTI:
- /*
- * Update multicast listeners
- */
- /* reset multicast filtering */
- ie_mc_reset(ifp->if_unit);
- error = 0;
- break;
-
- case SIOCSIFMTU:
- /*
- * Set the interface MTU.
- */
- if (ifr->ifr_mtu > ETHERMTU) {
- error = EINVAL;
- } else {
- ifp->if_mtu = ifr->ifr_mtu;
- }
- break;
-
- default:
- error = EINVAL;
- }
-
- splx(s);
- return error;
+ splx(s);
+ return (error);
}
-static void ie_mc_reset(int unit) {
- struct ie_softc *ie = &ie_softc[unit];
- struct ifmultiaddr *ifma;
-
- /*
- * Step through the list of addresses.
- */
- ie->mcast_count = 0;
- for (ifma = ie->arpcom.ac_if.if_multiaddrs.lh_first; ifma;
- ifma = ifma->ifma_link.le_next) {
- if (ifma->ifma_addr->sa_family != AF_LINK)
- continue;
-
- /* XXX - this is broken... */
- if(ie->mcast_count >= MAXMCAST) {
- ie->arpcom.ac_if.if_flags |= IFF_ALLMULTI;
- ieioctl(&ie->arpcom.ac_if, SIOCSIFFLAGS, (void *)0);
- goto setflag;
- }
-
- bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
- &(ie->mcast_addrs[ie->mcast_count]), 6);
- ie->mcast_count++;
- }
+static void
+ie_mc_reset(int unit)
+{
+ struct ie_softc *ie = &ie_softc[unit];
+ struct ifmultiaddr *ifma;
+
+ /*
+ * Step through the list of addresses.
+ */
+ ie->mcast_count = 0;
+ for (ifma = ie->arpcom.ac_if.if_multiaddrs.lh_first; ifma;
+ ifma = ifma->ifma_link.le_next) {
+ if (ifma->ifma_addr->sa_family != AF_LINK)
+ continue;
+
+ /* XXX - this is broken... */
+ if (ie->mcast_count >= MAXMCAST) {
+ ie->arpcom.ac_if.if_flags |= IFF_ALLMULTI;
+ ieioctl(&ie->arpcom.ac_if, SIOCSIFFLAGS, (void *) 0);
+ goto setflag;
+ }
+ bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr),
+ &(ie->mcast_addrs[ie->mcast_count]), 6);
+ ie->mcast_count++;
+ }
setflag:
- ie->want_mcsetup = 1;
+ ie->want_mcsetup = 1;
}
#ifdef DEBUG
-void print_rbd(volatile struct ie_recv_buf_desc *rbd) {
- printf("RBD at %08lx:\n"
- "actual %04x, next %04x, buffer %08x\n"
- "length %04x, mbz %04x\n",
- (unsigned long)rbd,
- rbd->ie_rbd_actual, rbd->ie_rbd_next, rbd->ie_rbd_buffer,
- rbd->ie_rbd_length, rbd->mbz);
+void
+print_rbd(volatile struct ie_recv_buf_desc * rbd)
+{
+ printf("RBD at %08lx:\n"
+ "actual %04x, next %04x, buffer %08x\n"
+ "length %04x, mbz %04x\n",
+ (unsigned long) rbd,
+ rbd->ie_rbd_actual, rbd->ie_rbd_next, rbd->ie_rbd_buffer,
+ rbd->ie_rbd_length, rbd->mbz);
}
-#endif /* DEBUG */
-#endif /* NIE > 0 */
+#endif /* DEBUG */
+#endif /* NIE > 0 */
diff --git a/sys/i386/isa/if_ie.c b/sys/i386/isa/if_ie.c
index bd923ea2..1ddc30c 100644
--- a/sys/i386/isa/if_ie.c
+++ b/sys/i386/isa/if_ie.c
@@ -47,7 +47,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: if_ie.c,v 1.41 1997/04/14 00:37:50 gibbs Exp $
+ * $Id: if_ie.c,v 1.42 1997/05/21 18:26:09 gibbs Exp $
*/
/*
@@ -57,7 +57,7 @@
* Written by GAW with reference to the Clarkson Packet Driver code for this
* chip written by Russ Nelson and others.
*
- * Intel EtherExpress 16 support from if_ix.c, written by Rodney W. Grimes.
+ * Intel EtherExpress 16 support from if_ix.c, written by Rodney W. Grimes.
*/
/*
@@ -164,99 +164,102 @@ iomem and and with 0xffff.
#endif
#ifdef DEBUG
-#define IED_RINT 0x01
-#define IED_TINT 0x02
-#define IED_RNR 0x04
-#define IED_CNA 0x08
-#define IED_READFRAME 0x10
-int ie_debug = IED_RNR;
+#define IED_RINT 0x01
+#define IED_TINT 0x02
+#define IED_RNR 0x04
+#define IED_CNA 0x08
+#define IED_READFRAME 0x10
+int ie_debug = IED_RNR;
+
#endif
-#define IE_BUF_LEN ETHER_MAX_LEN /* length of transmit buffer */
+#define IE_BUF_LEN ETHER_MAX_LEN /* length of transmit buffer */
/* Forward declaration */
struct ie_softc;
static struct mbuf *last_not_for_us;
-static int ieprobe(struct isa_device *dvp);
-static int ieattach(struct isa_device *dvp);
-static int sl_probe(struct isa_device *dvp);
-static int el_probe(struct isa_device *dvp);
-static int ni_probe(struct isa_device *dvp);
-static int ee16_probe(struct isa_device *dvp);
-
-static int check_ie_present __P((int unit, caddr_t where, unsigned size));
-static void ieinit(int unit);
-static void ie_stop __P((int unit));
-static int ieioctl(struct ifnet *ifp, int command, caddr_t data);
-static void iestart(struct ifnet *ifp);
-
-static void el_reset_586(int unit);
-static void el_chan_attn(int unit);
-
-static void sl_reset_586(int unit);
-static void sl_chan_attn(int unit);
-
-static void ee16_reset_586(int unit);
-static void ee16_chan_attn(int unit);
-static void ee16_interrupt_enable __P((struct ie_softc *ie));
-static void ee16_eeprom_outbits __P((struct ie_softc *ie, int edata, int cnt));
-static void ee16_eeprom_clock __P((struct ie_softc *ie, int state));
-static u_short ee16_read_eeprom __P((struct ie_softc *ie, int location));
-static int ee16_eeprom_inbits __P((struct ie_softc *ie));
-static void ee16_shutdown(int howto, void *sc);
-
-static void iereset(int unit);
-static void ie_readframe(int unit, struct ie_softc *ie, int bufno);
-static void ie_drop_packet_buffer(int unit, struct ie_softc *ie);
-static void sl_read_ether(int unit, unsigned char addr[6]);
-static void find_ie_mem_size(int unit);
-static void chan_attn_timeout __P((void * rock));
-static int command_and_wait(int unit, int command, void volatile *pcmd, int);
-static void run_tdr __P((int unit, struct ie_tdr_cmd *cmd));
-static int ierint(int unit, struct ie_softc *ie);
-static int ietint(int unit, struct ie_softc *ie);
-static int iernr(int unit, struct ie_softc *ie);
-static void start_receiver(int unit);
-static int ieget(int, struct ie_softc *, struct mbuf **,
- struct ether_header *, int *);
-static caddr_t setup_rfa(caddr_t ptr, struct ie_softc *ie);
-static int mc_setup(int, caddr_t, volatile struct ie_sys_ctl_block *);
-static void ie_mc_reset(int unit);
+static int ieprobe(struct isa_device * dvp);
+static int ieattach(struct isa_device * dvp);
+static int sl_probe(struct isa_device * dvp);
+static int el_probe(struct isa_device * dvp);
+static int ni_probe(struct isa_device * dvp);
+static int ee16_probe(struct isa_device * dvp);
+
+static int check_ie_present(int unit, caddr_t where, unsigned size);
+static void ieinit(int unit);
+static void ie_stop(int unit);
+static int ieioctl(struct ifnet * ifp, int command, caddr_t data);
+static void iestart(struct ifnet * ifp);
+
+static void el_reset_586(int unit);
+static void el_chan_attn(int unit);
+
+static void sl_reset_586(int unit);
+static void sl_chan_attn(int unit);
+
+static void ee16_reset_586(int unit);
+static void ee16_chan_attn(int unit);
+static void ee16_interrupt_enable(struct ie_softc * ie);
+static void ee16_eeprom_outbits(struct ie_softc * ie, int edata, int cnt);
+static void ee16_eeprom_clock(struct ie_softc * ie, int state);
+static u_short ee16_read_eeprom(struct ie_softc * ie, int location);
+static int ee16_eeprom_inbits(struct ie_softc * ie);
+static void ee16_shutdown(int howto, void *sc);
+
+static void iereset(int unit);
+static void ie_readframe(int unit, struct ie_softc * ie, int bufno);
+static void ie_drop_packet_buffer(int unit, struct ie_softc * ie);
+static void sl_read_ether(int unit, unsigned char addr[6]);
+static void find_ie_mem_size(int unit);
+static void chan_attn_timeout(void *rock);
+static int command_and_wait(int unit, int command,
+ void volatile * pcmd, int);
+static void run_tdr(int unit, struct ie_tdr_cmd * cmd);
+static int ierint(int unit, struct ie_softc * ie);
+static int ietint(int unit, struct ie_softc * ie);
+static int iernr(int unit, struct ie_softc * ie);
+static void start_receiver(int unit);
+static int ieget(int, struct ie_softc *, struct mbuf **,
+ struct ether_header *, int *);
+static caddr_t setup_rfa(caddr_t ptr, struct ie_softc * ie);
+static int mc_setup(int, caddr_t, volatile struct ie_sys_ctl_block *);
+static void ie_mc_reset(int unit);
#ifdef DEBUG
-void print_rbd(volatile struct ie_recv_buf_desc *rbd);
+void print_rbd(volatile struct ie_recv_buf_desc * rbd);
+
+int in_ierint = 0;
+int in_ietint = 0;
-int in_ierint = 0;
-int in_ietint = 0;
#endif
/*
* This tells the autoconf code how to set us up.
*/
struct isa_driver iedriver = {
- ieprobe, ieattach, "ie",
+ ieprobe, ieattach, "ie",
};
enum ie_hardware {
- IE_STARLAN10,
- IE_EN100,
- IE_SLFIBER,
- IE_3C507,
- IE_NI5210,
- IE_EE16,
- IE_UNKNOWN
+ IE_STARLAN10,
+ IE_EN100,
+ IE_SLFIBER,
+ IE_3C507,
+ IE_NI5210,
+ IE_EE16,
+ IE_UNKNOWN
};
static const char *ie_hardware_names[] = {
- "StarLAN 10",
- "EN100",
- "StarLAN Fiber",
- "3C507",
- "NI5210",
- "EtherExpress 16",
- "Unknown"
+ "StarLAN 10",
+ "EN100",
+ "StarLAN Fiber",
+ "3C507",
+ "NI5210",
+ "EtherExpress 16",
+ "Unknown"
};
/*
@@ -283,53 +286,50 @@ With a larger memory, it would be possible to roughly double the number of
both transmit and receive buffers.
*/
-#define NFRAMES 8 /* number of receive frames */
-#define NRXBUFS 48 /* number of buffers to allocate */
-#define IE_RBUF_SIZE 256 /* size of each buffer,
- * MUST BE POWER OF TWO
- */
-#define NTXBUFS 2 /* number of transmit commands */
+#define NFRAMES 8 /* number of receive frames */
+#define NRXBUFS 48 /* number of buffers to allocate */
+#define IE_RBUF_SIZE 256 /* size of each buffer, MUST BE POWER OF TWO */
+#define NTXBUFS 2 /* number of transmit commands */
#define IE_TBUF_SIZE ETHER_MAX_LEN /* size of transmit buffer */
/*
* Ethernet status, per interface.
*/
static struct ie_softc {
- struct arpcom arpcom;
- void (*ie_reset_586)(int);
- void (*ie_chan_attn)(int);
- enum ie_hardware hard_type;
- int hard_vers;
-
- u_short port; /* i/o base address for this interface */
- caddr_t iomem; /* memory size */
- caddr_t iomembot; /* memory base address */
- unsigned iosize;
- int bus_use; /* 0 means 16bit, 1 means 8 bit adapter */
-
- int want_mcsetup;
- int promisc;
- int nframes;
- int nrxbufs;
- int ntxbufs;
- volatile struct ie_int_sys_conf_ptr *iscp;
- volatile struct ie_sys_ctl_block *scb;
- volatile struct ie_recv_frame_desc **rframes; /* nframes worth */
- volatile struct ie_recv_buf_desc **rbuffs; /* nrxbufs worth */
- volatile u_char **cbuffs; /* nrxbufs worth */
- int rfhead, rftail, rbhead, rbtail;
-
- volatile struct ie_xmit_cmd **xmit_cmds; /* ntxbufs worth */
- volatile struct ie_xmit_buf **xmit_buffs; /* ntxbufs worth */
- u_char **xmit_cbuffs; /* ntxbufs worth */
- int xmit_count;
-
- struct ie_en_addr mcast_addrs[MAXMCAST + 1];
- int mcast_count;
-
- u_short irq_encoded; /* encoded interrupt on IEE16 */
-
-} ie_softc[NIE];
+ struct arpcom arpcom;
+ void (*ie_reset_586) (int);
+ void (*ie_chan_attn) (int);
+ enum ie_hardware hard_type;
+ int hard_vers;
+
+ u_short port; /* i/o base address for this interface */
+ caddr_t iomem; /* memory size */
+ caddr_t iomembot; /* memory base address */
+ unsigned iosize;
+ int bus_use; /* 0 means 16bit, 1 means 8 bit adapter */
+
+ int want_mcsetup;
+ int promisc;
+ int nframes;
+ int nrxbufs;
+ int ntxbufs;
+ volatile struct ie_int_sys_conf_ptr *iscp;
+ volatile struct ie_sys_ctl_block *scb;
+ volatile struct ie_recv_frame_desc **rframes; /* nframes worth */
+ volatile struct ie_recv_buf_desc **rbuffs; /* nrxbufs worth */
+ volatile u_char **cbuffs; /* nrxbufs worth */
+ int rfhead, rftail, rbhead, rbtail;
+
+ volatile struct ie_xmit_cmd **xmit_cmds; /* ntxbufs worth */
+ volatile struct ie_xmit_buf **xmit_buffs; /* ntxbufs worth */
+ u_char **xmit_cbuffs; /* ntxbufs worth */
+ int xmit_count;
+
+ struct ie_en_addr mcast_addrs[MAXMCAST + 1];
+ int mcast_count;
+
+ u_short irq_encoded; /* encoded interrupt on IEE16 */
+} ie_softc[NIE];
#define MK_24(base, ptr) ((caddr_t)((u_long)ptr - (u_long)base))
#define MK_16(base, ptr) ((u_short)(u_long)MK_24(base, ptr))
@@ -338,241 +338,235 @@ static struct ie_softc {
#define MEM ie_softc[unit].iomem
int
-ieprobe(dvp)
- struct isa_device *dvp;
+ieprobe(struct isa_device *dvp)
{
- int ret;
+ int ret;
- ret = sl_probe(dvp);
- if (!ret) ret = el_probe(dvp);
- if (!ret) ret = ni_probe(dvp);
- if (!ret) ret = ee16_probe(dvp);
+ ret = sl_probe(dvp);
+ if (!ret)
+ ret = el_probe(dvp);
+ if (!ret)
+ ret = ni_probe(dvp);
+ if (!ret)
+ ret = ee16_probe(dvp);
- return (ret);
+ return (ret);
}
static int
-sl_probe(dvp)
- struct isa_device *dvp;
+sl_probe(struct isa_device *dvp)
{
- int unit = dvp->id_unit;
- u_char c;
-
- ie_softc[unit].port = dvp->id_iobase;
- ie_softc[unit].iomembot = dvp->id_maddr;
- ie_softc[unit].iomem = 0;
- ie_softc[unit].bus_use = 0;
-
- c = inb(PORT + IEATT_REVISION);
- switch(SL_BOARD(c)) {
- case SL10_BOARD:
- ie_softc[unit].hard_type = IE_STARLAN10;
- ie_softc[unit].ie_reset_586 = sl_reset_586;
- ie_softc[unit].ie_chan_attn = sl_chan_attn;
- break;
- case EN100_BOARD:
- ie_softc[unit].hard_type = IE_EN100;
- ie_softc[unit].ie_reset_586 = sl_reset_586;
- ie_softc[unit].ie_chan_attn = sl_chan_attn;
- break;
- case SLFIBER_BOARD:
- ie_softc[unit].hard_type = IE_SLFIBER;
- ie_softc[unit].ie_reset_586 = sl_reset_586;
- ie_softc[unit].ie_chan_attn = sl_chan_attn;
- break;
-
- /*
- * Anything else is not recognized or cannot be used.
- */
- default:
- return 0;
- }
-
- ie_softc[unit].hard_vers = SL_REV(c);
-
- /*
- * Divine memory size on-board the card. Ususally 16k.
- */
- find_ie_mem_size(unit);
-
- if(!ie_softc[unit].iosize) {
- return 0;
- }
-
- dvp->id_msize = ie_softc[unit].iosize;
-
- switch(ie_softc[unit].hard_type) {
- case IE_EN100:
- case IE_STARLAN10:
- case IE_SLFIBER:
- sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
- break;
-
- default:
- printf("ie%d: unknown AT&T board type code %d\n", unit,
- ie_softc[unit].hard_type);
- return 0;
- }
-
- return 1;
+ int unit = dvp->id_unit;
+ u_char c;
+
+ ie_softc[unit].port = dvp->id_iobase;
+ ie_softc[unit].iomembot = dvp->id_maddr;
+ ie_softc[unit].iomem = 0;
+ ie_softc[unit].bus_use = 0;
+
+ c = inb(PORT + IEATT_REVISION);
+ switch (SL_BOARD(c)) {
+ case SL10_BOARD:
+ ie_softc[unit].hard_type = IE_STARLAN10;
+ ie_softc[unit].ie_reset_586 = sl_reset_586;
+ ie_softc[unit].ie_chan_attn = sl_chan_attn;
+ break;
+ case EN100_BOARD:
+ ie_softc[unit].hard_type = IE_EN100;
+ ie_softc[unit].ie_reset_586 = sl_reset_586;
+ ie_softc[unit].ie_chan_attn = sl_chan_attn;
+ break;
+ case SLFIBER_BOARD:
+ ie_softc[unit].hard_type = IE_SLFIBER;
+ ie_softc[unit].ie_reset_586 = sl_reset_586;
+ ie_softc[unit].ie_chan_attn = sl_chan_attn;
+ break;
+
+ /*
+ * Anything else is not recognized or cannot be used.
+ */
+ default:
+ return (0);
+ }
+
+ ie_softc[unit].hard_vers = SL_REV(c);
+
+ /*
+ * Divine memory size on-board the card. Ususally 16k.
+ */
+ find_ie_mem_size(unit);
+
+ if (!ie_softc[unit].iosize) {
+ return (0);
+ }
+ dvp->id_msize = ie_softc[unit].iosize;
+
+ switch (ie_softc[unit].hard_type) {
+ case IE_EN100:
+ case IE_STARLAN10:
+ case IE_SLFIBER:
+ sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
+ break;
+
+ default:
+ printf("ie%d: unknown AT&T board type code %d\n", unit,
+ ie_softc[unit].hard_type);
+ return (0);
+ }
+
+ return (1);
}
static int
-el_probe(dvp)
- struct isa_device *dvp;
+el_probe(struct isa_device *dvp)
{
- struct ie_softc *sc = &ie_softc[dvp->id_unit];
- u_char c;
- int i;
- u_char signature[] = "*3COM*";
- int unit = dvp->id_unit;
-
- sc->port = dvp->id_iobase;
- sc->iomembot = dvp->id_maddr;
- sc->bus_use = 0;
-
- /* Need this for part of the probe. */
- sc->ie_reset_586 = el_reset_586;
- sc->ie_chan_attn = el_chan_attn;
-
- /* Reset and put card in CONFIG state without changing address. */
- elink_reset();
- outb(ELINK_ID_PORT, 0x00);
- elink_idseq(ELINK_507_POLY);
- elink_idseq(ELINK_507_POLY);
- outb(ELINK_ID_PORT, 0xff);
-
- c = inb(PORT + IE507_MADDR);
- if(c & 0x20) {
+ struct ie_softc *sc = &ie_softc[dvp->id_unit];
+ u_char c;
+ int i;
+ u_char signature[] = "*3COM*";
+ int unit = dvp->id_unit;
+
+ sc->port = dvp->id_iobase;
+ sc->iomembot = dvp->id_maddr;
+ sc->bus_use = 0;
+
+ /* Need this for part of the probe. */
+ sc->ie_reset_586 = el_reset_586;
+ sc->ie_chan_attn = el_chan_attn;
+
+ /* Reset and put card in CONFIG state without changing address. */
+ elink_reset();
+ outb(ELINK_ID_PORT, 0x00);
+ elink_idseq(ELINK_507_POLY);
+ elink_idseq(ELINK_507_POLY);
+ outb(ELINK_ID_PORT, 0xff);
+
+ c = inb(PORT + IE507_MADDR);
+ if (c & 0x20) {
#ifdef DEBUG
- printf("ie%d: can't map 3C507 RAM in high memory\n", unit);
+ printf("ie%d: can't map 3C507 RAM in high memory\n", unit);
#endif
- return 0;
- }
+ return (0);
+ }
+ /* go to RUN state */
+ outb(ELINK_ID_PORT, 0x00);
+ elink_idseq(ELINK_507_POLY);
+ outb(ELINK_ID_PORT, 0x00);
- /* go to RUN state */
- outb(ELINK_ID_PORT, 0x00);
- elink_idseq(ELINK_507_POLY);
- outb(ELINK_ID_PORT, 0x00);
+ outb(PORT + IE507_CTRL, EL_CTRL_NRST);
- outb(PORT + IE507_CTRL, EL_CTRL_NRST);
+ for (i = 0; i < 6; i++)
+ if (inb(PORT + i) != signature[i])
+ return (0);
- for (i = 0; i < 6; i++)
- if (inb(PORT + i) != signature[i])
- return 0;
+ c = inb(PORT + IE507_IRQ) & 0x0f;
- c = inb(PORT + IE507_IRQ) & 0x0f;
+ if (dvp->id_irq != (1 << c)) {
+ printf("ie%d: kernel configured irq %d "
+ "doesn't match board configured irq %d\n",
+ unit, ffs(dvp->id_irq) - 1, c);
+ return (0);
+ }
+ c = (inb(PORT + IE507_MADDR) & 0x1c) + 0xc0;
- if (dvp->id_irq != (1 << c)) {
- printf("ie%d: kernel configured irq %d doesn't match board configured irq %d\n",
- unit, ffs(dvp->id_irq) - 1, c);
- return 0;
- }
+ if (kvtop(dvp->id_maddr) != ((int) c << 12)) {
+ printf("ie%d: kernel configured maddr %lx "
+ "doesn't match board configured maddr %x\n",
+ unit, kvtop(dvp->id_maddr), (int) c << 12);
+ return (0);
+ }
+ outb(PORT + IE507_CTRL, EL_CTRL_NORMAL);
- c = (inb(PORT + IE507_MADDR) & 0x1c) + 0xc0;
+ sc->hard_type = IE_3C507;
+ sc->hard_vers = 0; /* 3C507 has no version number. */
- if (kvtop(dvp->id_maddr) != ((int)c << 12)) {
- printf("ie%d: kernel configured maddr %lx doesn't match board configured maddr %x\n",
- unit, kvtop(dvp->id_maddr),(int)c << 12);
- return 0;
- }
+ /*
+ * Divine memory size on-board the card.
+ */
+ find_ie_mem_size(unit);
- outb(PORT + IE507_CTRL, EL_CTRL_NORMAL);
+ if (!sc->iosize) {
+ printf("ie%d: can't find shared memory\n", unit);
+ outb(PORT + IE507_CTRL, EL_CTRL_NRST);
+ return (0);
+ }
+ if (!dvp->id_msize)
+ dvp->id_msize = sc->iosize;
+ else if (dvp->id_msize != sc->iosize) {
+ printf("ie%d: kernel configured msize %d "
+ "doesn't match board configured msize %d\n",
+ unit, dvp->id_msize, sc->iosize);
+ outb(PORT + IE507_CTRL, EL_CTRL_NRST);
+ return (0);
+ }
+ sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
- sc->hard_type = IE_3C507;
- sc->hard_vers = 0; /* 3C507 has no version number. */
+ /* Clear the interrupt latch just in case. */
+ outb(PORT + IE507_ICTRL, 1);
- /*
- * Divine memory size on-board the card.
- */
- find_ie_mem_size(unit);
+ return (16);
+}
- if (!sc->iosize) {
- printf("ie%d: can't find shared memory\n", unit);
- outb(PORT + IE507_CTRL, EL_CTRL_NRST);
- return 0;
- }
- if(!dvp->id_msize)
- dvp->id_msize = sc->iosize;
- else if (dvp->id_msize != sc->iosize) {
- printf("ie%d: kernel configured msize %d doesn't match board configured msize %d\n",
- unit, dvp->id_msize, sc->iosize);
- outb(PORT + IE507_CTRL, EL_CTRL_NRST);
- return 0;
- }
+static int
+ni_probe(struct isa_device *dvp)
+{
+ int unit = dvp->id_unit;
+ int boardtype, c;
+
+ ie_softc[unit].port = dvp->id_iobase;
+ ie_softc[unit].iomembot = dvp->id_maddr;
+ ie_softc[unit].iomem = 0;
+ ie_softc[unit].bus_use = 1;
+
+ boardtype = inb(PORT + IEATT_REVISION);
+ c = inb(PORT + IEATT_REVISION + 1);
+ boardtype = boardtype + (c << 8);
+ switch (boardtype) {
+ case 0x5500: /* This is the magic cookie for the NI5210 */
+ ie_softc[unit].hard_type = IE_NI5210;
+ ie_softc[unit].ie_reset_586 = sl_reset_586;
+ ie_softc[unit].ie_chan_attn = sl_chan_attn;
+ break;
- sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
+ /*
+ * Anything else is not recognized or cannot be used.
+ */
+ default:
+ return (0);
+ }
- /* Clear the interrupt latch just in case. */
- outb(PORT + IE507_ICTRL, 1);
+ ie_softc[unit].hard_vers = 0;
- return 16;
-}
+ /*
+ * Divine memory size on-board the card. Either 8 or 16k.
+ */
+ find_ie_mem_size(unit);
+ if (!ie_softc[unit].iosize) {
+ return (0);
+ }
+ if (!dvp->id_msize)
+ dvp->id_msize = ie_softc[unit].iosize;
+ else if (dvp->id_msize != ie_softc[unit].iosize) {
+ printf("ie%d: kernel configured msize %d "
+ "doesn't match board configured msize %d\n",
+ unit, dvp->id_msize, ie_softc[unit].iosize);
+ return (0);
+ }
+ sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
-static int ni_probe(dvp)
- struct isa_device *dvp;
-{
- int unit = dvp->id_unit;
- int boardtype, c;
-
- ie_softc[unit].port = dvp->id_iobase;
- ie_softc[unit].iomembot = dvp->id_maddr;
- ie_softc[unit].iomem = 0;
- ie_softc[unit].bus_use = 1;
-
- boardtype = inb(PORT + IEATT_REVISION);
- c = inb(PORT + IEATT_REVISION + 1);
- boardtype = boardtype + (c << 8);
- switch(boardtype) {
- case 0x5500: /* This is the magic cookie for the NI5210 */
- ie_softc[unit].hard_type = IE_NI5210;
- ie_softc[unit].ie_reset_586 = sl_reset_586;
- ie_softc[unit].ie_chan_attn = sl_chan_attn;
- break;
-
- /*
- * Anything else is not recognized or cannot be used.
- */
- default:
- return 0;
- }
-
- ie_softc[unit].hard_vers = 0;
-
- /*
- * Divine memory size on-board the card. Either 8 or 16k.
- */
- find_ie_mem_size(unit);
-
- if(!ie_softc[unit].iosize) {
- return 0;
- }
-
- if(!dvp->id_msize)
- dvp->id_msize = ie_softc[unit].iosize;
- else if (dvp->id_msize != ie_softc[unit].iosize) {
- printf("ie%d: kernel configured msize %d doesn't match board configured msize %d\n",
- unit, dvp->id_msize, ie_softc[unit].iosize);
- return 0;
- }
-
- sl_read_ether(unit, ie_softc[unit].arpcom.ac_enaddr);
-
- return 8;
+ return (8);
}
static void
-ee16_shutdown(howto, sc)
- int howto;
- void *sc;
+ee16_shutdown(int howto, void *sc)
{
- struct ie_softc *ie = (struct ie_softc *)sc;
- int unit = ie - &ie_softc[0];
+ struct ie_softc *ie = (struct ie_softc *)sc;
+ int unit = ie - &ie_softc[0];
ee16_reset_586(unit);
outb(PORT + IEE16_ECTRL, IEE16_RESET_ASIC);
@@ -583,22 +577,20 @@ ee16_shutdown(howto, sc)
/* Taken almost exactly from Rod's if_ix.c. */
int
-ee16_probe(dvp)
- struct isa_device *dvp;
+ee16_probe(struct isa_device *dvp)
{
struct ie_softc *sc = &ie_softc[dvp->id_unit];
- int i;
- int unit = dvp->id_unit;
+ int i;
+ int unit = dvp->id_unit;
u_short board_id, id_var1, id_var2, checksum = 0;
u_short eaddrtemp, irq;
- u_short pg, adjust, decode, edecode;
+ u_short pg, adjust, decode, edecode;
u_char bart_config;
- u_long bd_maddr;
+ u_long bd_maddr;
short irq_translate[] = {0, IRQ9, IRQ3, IRQ4, IRQ5, IRQ10, IRQ11, 0};
- char irq_encode[] = { 0, 0, 0, 2, 3, 4, 0, 0,
- 0, 1, 5, 6, 0, 0, 0, 0 };
+ char irq_encode[] = {0, 0, 0, 2, 3, 4, 0, 0, 0, 1, 5, 6, 0, 0, 0, 0};
/* Need this for part of the probe. */
sc->ie_reset_586 = ee16_reset_586;
@@ -614,43 +606,39 @@ ee16_probe(dvp)
/* now look for ee16. */
board_id = id_var1 = id_var2 = 0;
- for (i=0; i<4 ; i++) {
+ for (i = 0; i < 4; i++) {
id_var1 = inb(dvp->id_iobase + IEE16_ID_PORT);
id_var2 = ((id_var1 & 0x03) << 2);
- board_id |= (( id_var1 >> 4) << id_var2);
+ board_id |= ((id_var1 >> 4) << id_var2);
}
if (board_id != IEE16_ID) {
printf("ie%d: unknown board_id: %x\n", unit, board_id);
- return 0;
+ return (0);
}
-
/* need sc->port for ee16_read_eeprom */
sc->port = dvp->id_iobase;
sc->hard_type = IE_EE16;
/*
- * The shared RAM location on the EE16 is encoded into bits
- * 3-7 of EEPROM location 6. We zero the upper byte, and
- * shift the 5 bits right 3. The resulting number tells us
- * the RAM location. Because the EE16 supports either 16k or 32k
- * of shared RAM, we only worry about the 32k locations.
+ * The shared RAM location on the EE16 is encoded into bits 3-7 of
+ * EEPROM location 6. We zero the upper byte, and shift the 5 bits
+ * right 3. The resulting number tells us the RAM location.
+ * Because the EE16 supports either 16k or 32k of shared RAM, we
+ * only worry about the 32k locations.
*
- * NOTE: if a 64k EE16 exists, it should be added to this switch.
- * then the ia->ia_msize would need to be set per case statement.
+ * NOTE: if a 64k EE16 exists, it should be added to this switch. then
+ * the ia->ia_msize would need to be set per case statement.
*
- * value msize location
- * ===== ===== ========
- * 0x03 0x8000 0xCC000
- * 0x06 0x8000 0xD0000
- * 0x0C 0x8000 0xD4000
- * 0x18 0x8000 0xD8000
+ * value msize location ===== ===== ======== 0x03 0x8000
+ * 0xCC000 0x06 0x8000 0xD0000 0x0C 0x8000 0xD4000 0x18
+ * 0x8000 0xD8000
*
- */
+ */
bd_maddr = 0;
- i = (ee16_read_eeprom(sc, 6) & 0x00ff ) >> 3;
- switch(i) {
+ i = (ee16_read_eeprom(sc, 6) & 0x00ff) >> 3;
+ switch (i) {
case 0x03:
bd_maddr = 0xCC000;
break;
@@ -664,36 +652,34 @@ ee16_probe(dvp)
bd_maddr = 0xD8000;
break;
default:
- bd_maddr = 0 ;
+ bd_maddr = 0;
break;
}
dvp->id_msize = 0x8000;
if (kvtop(dvp->id_maddr) != bd_maddr) {
- printf("ie%d: kernel configured maddr %lx doesn't match board configured maddr %x\n",
+ printf("ie%d: kernel configured maddr %lx "
+ "doesn't match board configured maddr %x\n",
unit, kvtop(dvp->id_maddr), bd_maddr);
}
-
-
sc->iomembot = dvp->id_maddr;
- sc->iomem = 0; /* XXX some probes set this and some don't */
+ sc->iomem = 0; /* XXX some probes set this and some don't */
sc->iosize = dvp->id_msize;
/* need to put the 586 in RESET while we access the eeprom. */
- outb( PORT + IEE16_ECTRL, IEE16_RESET_586);
+ outb(PORT + IEE16_ECTRL, IEE16_RESET_586);
/* read the eeprom and checksum it, should == IEE16_ID */
- for(i = 0; i < 0x40; i++)
+ for (i = 0; i < 0x40; i++)
checksum += ee16_read_eeprom(sc, i);
if (checksum != IEE16_ID) {
printf("ie%d: invalid eeprom checksum: %x\n", unit, checksum);
- return 0;
+ return (0);
}
-
/*
* Size and test the memory on the board. The size of the memory
- * can be one of 16k, 32k, 48k or 64k. It can be located in the
- * address range 0xC0000 to 0xEFFFF on 16k boundaries.
+ * can be one of 16k, 32k, 48k or 64k. It can be located in the
+ * address range 0xC0000 to 0xEFFFF on 16k boundaries.
*
* If the size does not match the passed in memory allocation size
* issue a warning, but continue with the minimum of the two sizes.
@@ -701,24 +687,23 @@ ee16_probe(dvp)
switch (dvp->id_msize) {
case 65536:
- case 32768: /* XXX Only support 32k and 64k right now */
+ case 32768: /* XXX Only support 32k and 64k right now */
break;
case 16384:
case 49512:
default:
printf("ie%d: mapped memory size %d not supported\n", unit,
- dvp->id_msize);
- return 0;
- break; /* NOTREACHED */
+ dvp->id_msize);
+ return (0);
+ break; /* NOTREACHED */
}
if ((kvtop(dvp->id_maddr) < 0xC0000) ||
(kvtop(dvp->id_maddr) + sc->iosize > 0xF0000)) {
printf("ie%d: mapped memory location %x out of range\n", unit,
- dvp->id_maddr);
- return 0;
+ dvp->id_maddr);
+ return (0);
}
-
pg = (kvtop(dvp->id_maddr) & 0x3C000) >> 14;
adjust = IEE16_MCTRL_FMCS16 | (pg & 0x3) << 2;
decode = ((1 << (sc->iosize / 16384)) - 1) << pg;
@@ -731,28 +716,29 @@ ee16_probe(dvp)
/* ZZZ Now if I could find this one I would have it made */
outb(PORT + IEE16_MPCTRL, (~decode & 0xFF));
/* ZZZ I think this is location 6, high byte */
- outb(PORT + IEE16_MECTRL, edecode); /*XXX disable Exxx */
+ outb(PORT + IEE16_MECTRL, edecode); /* XXX disable Exxx */
- (void)kvtop(dvp->id_maddr);
+ (void) kvtop(dvp->id_maddr);
/*
- * first prime the stupid bart DRAM controller so that it
- * works, then zero out all of memory.
+ * first prime the stupid bart DRAM controller so that it works,
+ * then zero out all of memory.
*/
bzero(sc->iomembot, 32);
bzero(sc->iomembot, sc->iosize);
/*
* Get the encoded interrupt number from the EEPROM, check it
- * against the passed in IRQ. Issue a warning if they do not
- * match. Always use the passed in IRQ, not the one in the EEPROM.
+ * against the passed in IRQ. Issue a warning if they do not match.
+ * Always use the passed in IRQ, not the one in the EEPROM.
*/
irq = ee16_read_eeprom(sc, IEE16_EEPROM_CONFIG1);
irq = (irq & IEE16_EEPROM_IRQ) >> IEE16_EEPROM_IRQ_SHIFT;
irq = irq_translate[irq];
if (dvp->id_irq > 0) {
if (irq != dvp->id_irq) {
- printf("ie%d: WARNING: board configured at irq %d, using %d\n",
+ printf("ie%d: WARNING: board configured "
+ "at irq %d, using %d\n",
dvp->id_unit, irq);
irq = dvp->id_unit;
}
@@ -762,8 +748,8 @@ ee16_probe(dvp)
sc->irq_encoded = irq_encode[ffs(irq) - 1];
/*
- * Get the hardware ethernet address from the EEPROM and
- * save it in the softc for use by the 586 setup code.
+ * Get the hardware ethernet address from the EEPROM and save it in
+ * the softc for use by the 586 setup code.
*/
eaddrtemp = ee16_read_eeprom(sc, IEE16_EEPROM_ENET_HIGH);
sc->arpcom.ac_enaddr[1] = eaddrtemp & 0xFF;
@@ -779,166 +765,164 @@ ee16_probe(dvp)
outb(PORT + IEE16_IRQ, sc->irq_encoded);
/* enable loopback to keep bad packets off the wire */
- if(sc->hard_type == IE_EE16) {
+ if (sc->hard_type == IE_EE16) {
bart_config = inb(PORT + IEE16_CONFIG);
bart_config |= IEE16_BART_LOOPBACK;
- bart_config |= IEE16_BART_MCS16_TEST; /*inb doesn't get bit! */
+ bart_config |= IEE16_BART_MCS16_TEST;/* inb doesn't get bit! */
outb(PORT + IEE16_CONFIG, bart_config);
bart_config = inb(PORT + IEE16_CONFIG);
}
-
/* take the board out of reset state */
outb(PORT + IEE16_ECTRL, 0);
DELAY(100);
if (!check_ie_present(unit, dvp->id_maddr, sc->iosize))
- return 0;
+ return (0);
- return 16; /* return the number of I/O ports */
+ return (16); /* return the number of I/O ports */
}
/*
* Taken almost exactly from Bill's if_is.c, then modified beyond recognition.
*/
int
-ieattach(dvp)
- struct isa_device *dvp;
+ieattach(struct isa_device *dvp)
{
- int factor;
- int unit = dvp->id_unit;
- struct ie_softc *ie = &ie_softc[unit];
- struct ifnet *ifp = &ie->arpcom.ac_if;
- size_t allocsize;
-
- /*
- * based on the amount of memory we have,
- * allocate our tx and rx resources.
- */
- factor = dvp->id_msize / 16384;
- ie->nframes = factor * NFRAMES;
- ie->nrxbufs = factor * NRXBUFS;
- ie->ntxbufs = factor * NTXBUFS;
-
- /*
- * Since all of these guys are arrays of pointers, allocate as one
- * big chunk and dole out accordingly.
- */
- allocsize = sizeof(void *) * (ie->nframes
- + (ie->nrxbufs * 2)
- + (ie->ntxbufs * 3));
- ie->rframes = (volatile struct ie_recv_frame_desc **)malloc(allocsize,
- M_DEVBUF,
- M_NOWAIT);
- if (ie->rframes == NULL)
- return (0);
- ie->rbuffs = (volatile struct ie_recv_buf_desc **)&ie->rframes[ie->nframes];
- ie->cbuffs = (volatile u_char **)&ie->rbuffs[ie->nrxbufs];
- ie->xmit_cmds = (volatile struct ie_xmit_cmd **)&ie->cbuffs[ie->nrxbufs];
- ie->xmit_buffs = (volatile struct ie_xmit_buf **)&ie->xmit_cmds[ie->ntxbufs];
- ie->xmit_cbuffs = (u_char **)&ie->xmit_buffs[ie->ntxbufs];
-
- ifp->if_softc = ie;
- ifp->if_unit = unit;
- ifp->if_name = iedriver.name;
- ifp->if_mtu = ETHERMTU;
- printf("ie%d: <%s R%d> address %6D\n", unit,
- ie_hardware_names[ie->hard_type],
- ie->hard_vers + 1,
- ie->arpcom.ac_enaddr, ":");
-
- ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
- ifp->if_output = ether_output;
- ifp->if_start = iestart;
- ifp->if_ioctl = ieioctl;
- ifp->if_type = IFT_ETHER;
- ifp->if_addrlen = 6;
- ifp->if_hdrlen = 14;
-
- if (ie->hard_type == IE_EE16)
- at_shutdown(ee16_shutdown, ie, SHUTDOWN_POST_SYNC);
+ int factor;
+ int unit = dvp->id_unit;
+ struct ie_softc *ie = &ie_softc[unit];
+ struct ifnet *ifp = &ie->arpcom.ac_if;
+ size_t allocsize;
+
+ /*
+ * based on the amount of memory we have, allocate our tx and rx
+ * resources.
+ */
+ factor = dvp->id_msize / 16384;
+ ie->nframes = factor * NFRAMES;
+ ie->nrxbufs = factor * NRXBUFS;
+ ie->ntxbufs = factor * NTXBUFS;
+
+ /*
+ * Since all of these guys are arrays of pointers, allocate as one
+ * big chunk and dole out accordingly.
+ */
+ allocsize = sizeof(void *) * (ie->nframes
+ + (ie->nrxbufs * 2)
+ + (ie->ntxbufs * 3));
+ ie->rframes = (volatile struct ie_recv_frame_desc **) malloc(allocsize,
+ M_DEVBUF,
+ M_NOWAIT);
+ if (ie->rframes == NULL)
+ return (0);
+ ie->rbuffs =
+ (volatile struct ie_recv_buf_desc **)&ie->rframes[ie->nframes];
+ ie->cbuffs = (volatile u_char **)&ie->rbuffs[ie->nrxbufs];
+ ie->xmit_cmds =
+ (volatile struct ie_xmit_cmd **)&ie->cbuffs[ie->nrxbufs];
+ ie->xmit_buffs =
+ (volatile struct ie_xmit_buf **)&ie->xmit_cmds[ie->ntxbufs];
+ ie->xmit_cbuffs = (u_char **)&ie->xmit_buffs[ie->ntxbufs];
+
+ ifp->if_softc = ie;
+ ifp->if_unit = unit;
+ ifp->if_name = iedriver.name;
+ ifp->if_mtu = ETHERMTU;
+ printf("ie%d: <%s R%d> address %6D\n", unit,
+ ie_hardware_names[ie->hard_type],
+ ie->hard_vers + 1,
+ ie->arpcom.ac_enaddr, ":");
+
+ ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
+ ifp->if_output = ether_output;
+ ifp->if_start = iestart;
+ ifp->if_ioctl = ieioctl;
+ ifp->if_type = IFT_ETHER;
+ ifp->if_addrlen = 6;
+ ifp->if_hdrlen = 14;
+
+ if (ie->hard_type == IE_EE16)
+ at_shutdown(ee16_shutdown, ie, SHUTDOWN_POST_SYNC);
#if NBPFILTER > 0
- bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
+ bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
#endif
- if_attach(ifp);
- ether_ifattach(ifp);
- return 1;
+ if_attach(ifp);
+ ether_ifattach(ifp);
+ return (1);
}
/*
* What to do upon receipt of an interrupt.
*/
void
-ieintr(unit)
- int unit;
+ieintr(int unit)
{
- register struct ie_softc *ie = &ie_softc[unit];
- register u_short status;
+ register struct ie_softc *ie = &ie_softc[unit];
+ register u_short status;
- /* Clear the interrupt latch on the 3C507. */
- if (ie->hard_type == IE_3C507 && (inb(PORT + IE507_CTRL) & EL_CTRL_INTL))
- outb(PORT + IE507_ICTRL, 1);
+ /* Clear the interrupt latch on the 3C507. */
+ if (ie->hard_type == IE_3C507
+ && (inb(PORT + IE507_CTRL) & EL_CTRL_INTL))
+ outb(PORT + IE507_ICTRL, 1);
- /* disable interrupts on the EE16. */
- if (ie->hard_type == IE_EE16)
- outb(PORT + IEE16_IRQ, ie->irq_encoded);
+ /* disable interrupts on the EE16. */
+ if (ie->hard_type == IE_EE16)
+ outb(PORT + IEE16_IRQ, ie->irq_encoded);
- status = ie->scb->ie_status;
+ status = ie->scb->ie_status;
loop:
- /* Don't ack interrupts which we didn't receive */
- ie_ack(ie->scb, IE_ST_WHENCE & status, unit, ie->ie_chan_attn);
+ /* Don't ack interrupts which we didn't receive */
+ ie_ack(ie->scb, IE_ST_WHENCE & status, unit, ie->ie_chan_attn);
- if(status & (IE_ST_RECV | IE_ST_RNR)) {
+ if (status & (IE_ST_RECV | IE_ST_RNR)) {
#ifdef DEBUG
- in_ierint++;
- if(ie_debug & IED_RINT)
- printf("ie%d: rint\n", unit);
+ in_ierint++;
+ if (ie_debug & IED_RINT)
+ printf("ie%d: rint\n", unit);
#endif
- ierint(unit, ie);
+ ierint(unit, ie);
#ifdef DEBUG
- in_ierint--;
+ in_ierint--;
#endif
- }
-
- if(status & IE_ST_DONE) {
+ }
+ if (status & IE_ST_DONE) {
#ifdef DEBUG
- in_ietint++;
- if(ie_debug & IED_TINT)
- printf("ie%d: tint\n", unit);
+ in_ietint++;
+ if (ie_debug & IED_TINT)
+ printf("ie%d: tint\n", unit);
#endif
- ietint(unit, ie);
+ ietint(unit, ie);
#ifdef DEBUG
- in_ietint--;
+ in_ietint--;
#endif
- }
-
- if(status & IE_ST_RNR) {
+ }
+ if (status & IE_ST_RNR) {
#ifdef DEBUG
- if(ie_debug & IED_RNR)
- printf("ie%d: rnr\n", unit);
+ if (ie_debug & IED_RNR)
+ printf("ie%d: rnr\n", unit);
#endif
- iernr(unit, ie);
- }
-
+ iernr(unit, ie);
+ }
#ifdef DEBUG
- if((status & IE_ST_ALLDONE)
- && (ie_debug & IED_CNA))
- printf("ie%d: cna\n", unit);
+ if ((status & IE_ST_ALLDONE)
+ && (ie_debug & IED_CNA))
+ printf("ie%d: cna\n", unit);
#endif
- if ((status = ie->scb->ie_status) & IE_ST_WHENCE)
- goto loop;
+ if ((status = ie->scb->ie_status) & IE_ST_WHENCE)
+ goto loop;
- /* Clear the interrupt latch on the 3C507. */
- if (ie->hard_type == IE_3C507)
- outb(PORT + IE507_ICTRL, 1);
+ /* Clear the interrupt latch on the 3C507. */
+ if (ie->hard_type == IE_3C507)
+ outb(PORT + IE507_ICTRL, 1);
- /* enable interrupts on the EE16. */
- if (ie->hard_type == IE_EE16)
- outb(PORT + IEE16_IRQ, ie->irq_encoded | IEE16_IRQ_ENABLE);
+ /* enable interrupts on the EE16. */
+ if (ie->hard_type == IE_EE16)
+ outb(PORT + IEE16_IRQ, ie->irq_encoded | IEE16_IRQ_ENABLE);
}
@@ -946,101 +930,103 @@ loop:
* Process a received-frame interrupt.
*/
static int
-ierint(unit, ie)
- int unit;
- struct ie_softc *ie;
+ierint(int unit, struct ie_softc *ie)
{
- int i, status;
- static int timesthru = 1024;
-
- i = ie->rfhead;
- while(1) {
- status = ie->rframes[i]->ie_fd_status;
-
- if((status & IE_FD_COMPLETE) && (status & IE_FD_OK)) {
- ie->arpcom.ac_if.if_ipackets++;
- if(!--timesthru) {
- ie->arpcom.ac_if.if_ierrors +=
- ie->scb->ie_err_crc + ie->scb->ie_err_align +
- ie->scb->ie_err_resource + ie->scb->ie_err_overrun;
- ie->scb->ie_err_crc = 0;
- ie->scb->ie_err_align = 0;
- ie->scb->ie_err_resource = 0;
- ie->scb->ie_err_overrun = 0;
- timesthru = 1024;
- }
- ie_readframe(unit, ie, i);
- } else {
- if(status & IE_FD_RNR) {
- if(!(ie->scb->ie_status & IE_RU_READY)) {
- ie->rframes[0]->ie_fd_next = MK_16(MEM, ie->rbuffs[0]);
- ie->scb->ie_recv_list = MK_16(MEM, ie->rframes[0]);
- command_and_wait(unit, IE_RU_START, 0, 0);
+ int i, status;
+ static int timesthru = 1024;
+
+ i = ie->rfhead;
+ while (1) {
+ status = ie->rframes[i]->ie_fd_status;
+
+ if ((status & IE_FD_COMPLETE) && (status & IE_FD_OK)) {
+ ie->arpcom.ac_if.if_ipackets++;
+ if (!--timesthru) {
+ ie->arpcom.ac_if.if_ierrors +=
+ ie->scb->ie_err_crc +
+ ie->scb->ie_err_align +
+ ie->scb->ie_err_resource +
+ ie->scb->ie_err_overrun;
+ ie->scb->ie_err_crc = 0;
+ ie->scb->ie_err_align = 0;
+ ie->scb->ie_err_resource = 0;
+ ie->scb->ie_err_overrun = 0;
+ timesthru = 1024;
+ }
+ ie_readframe(unit, ie, i);
+ } else {
+ if (status & IE_FD_RNR) {
+ if (!(ie->scb->ie_status & IE_RU_READY)) {
+ ie->rframes[0]->ie_fd_next =
+ MK_16(MEM, ie->rbuffs[0]);
+ ie->scb->ie_recv_list =
+ MK_16(MEM, ie->rframes[0]);
+ command_and_wait(unit, IE_RU_START,
+ 0, 0);
+ }
+ }
+ break;
+ }
+ i = (i + 1) % ie->nframes;
}
- }
- break;
- }
- i = (i + 1) % ie->nframes;
- }
- return 0;
+ return (0);
}
/*
* Process a command-complete interrupt. These are only generated by
- * the transmission of frames. This routine is deceptively simple, since
+ * the transmission of frames. This routine is deceptively simple, since
* most of the real work is done by iestart().
*/
-static int ietint(unit, ie)
- int unit;
- struct ie_softc *ie;
+static int
+ietint(int unit, struct ie_softc *ie)
{
- int status;
- int i;
-
- ie->arpcom.ac_if.if_timer = 0;
- ie->arpcom.ac_if.if_flags &= ~IFF_OACTIVE;
-
- for(i = 0; i < ie->xmit_count; i++) {
- status = ie->xmit_cmds[i]->ie_xmit_status;
-
- if(status & IE_XS_LATECOLL) {
- printf("ie%d: late collision\n", unit);
- ie->arpcom.ac_if.if_collisions++;
- ie->arpcom.ac_if.if_oerrors++;
- } else if(status & IE_XS_NOCARRIER) {
- printf("ie%d: no carrier\n", unit);
- ie->arpcom.ac_if.if_oerrors++;
- } else if(status & IE_XS_LOSTCTS) {
- printf("ie%d: lost CTS\n", unit);
- ie->arpcom.ac_if.if_oerrors++;
- } else if(status & IE_XS_UNDERRUN) {
- printf("ie%d: DMA underrun\n", unit);
- ie->arpcom.ac_if.if_oerrors++;
- } else if(status & IE_XS_EXCMAX) {
- printf("ie%d: too many collisions\n", unit);
- ie->arpcom.ac_if.if_collisions += 16;
- ie->arpcom.ac_if.if_oerrors++;
- } else {
- ie->arpcom.ac_if.if_opackets++;
- ie->arpcom.ac_if.if_collisions += status & IE_XS_MAXCOLL;
- }
- }
- ie->xmit_count = 0;
-
- /*
- * If multicast addresses were added or deleted while we were transmitting,
- * ie_mc_reset() set the want_mcsetup flag indicating that we should do it.
- */
- if(ie->want_mcsetup) {
- mc_setup(unit, (caddr_t)ie->xmit_cbuffs[0], ie->scb);
- ie->want_mcsetup = 0;
- }
-
- /* Wish I knew why this seems to be necessary... */
- ie->xmit_cmds[0]->ie_xmit_status |= IE_STAT_COMPL;
-
- iestart(&ie->arpcom.ac_if);
- return 0; /* shouldn't be necessary */
+ int status;
+ int i;
+
+ ie->arpcom.ac_if.if_timer = 0;
+ ie->arpcom.ac_if.if_flags &= ~IFF_OACTIVE;
+
+ for (i = 0; i < ie->xmit_count; i++) {
+ status = ie->xmit_cmds[i]->ie_xmit_status;
+
+ if (status & IE_XS_LATECOLL) {
+ printf("ie%d: late collision\n", unit);
+ ie->arpcom.ac_if.if_collisions++;
+ ie->arpcom.ac_if.if_oerrors++;
+ } else if (status & IE_XS_NOCARRIER) {
+ printf("ie%d: no carrier\n", unit);
+ ie->arpcom.ac_if.if_oerrors++;
+ } else if (status & IE_XS_LOSTCTS) {
+ printf("ie%d: lost CTS\n", unit);
+ ie->arpcom.ac_if.if_oerrors++;
+ } else if (status & IE_XS_UNDERRUN) {
+ printf("ie%d: DMA underrun\n", unit);
+ ie->arpcom.ac_if.if_oerrors++;
+ } else if (status & IE_XS_EXCMAX) {
+ printf("ie%d: too many collisions\n", unit);
+ ie->arpcom.ac_if.if_collisions += 16;
+ ie->arpcom.ac_if.if_oerrors++;
+ } else {
+ ie->arpcom.ac_if.if_opackets++;
+ ie->arpcom.ac_if.if_collisions += status & IE_XS_MAXCOLL;
+ }
+ }
+ ie->xmit_count = 0;
+
+ /*
+ * If multicast addresses were added or deleted while we were
+ * transmitting, ie_mc_reset() set the want_mcsetup flag indicating
+ * that we should do it.
+ */
+ if (ie->want_mcsetup) {
+ mc_setup(unit, (caddr_t) ie->xmit_cbuffs[0], ie->scb);
+ ie->want_mcsetup = 0;
+ }
+ /* Wish I knew why this seems to be necessary... */
+ ie->xmit_cmds[0]->ie_xmit_status |= IE_STAT_COMPL;
+
+ iestart(&ie->arpcom.ac_if);
+ return (0); /* shouldn't be necessary */
}
/*
@@ -1048,43 +1034,50 @@ static int ietint(unit, ie)
* when there aren't enough buffers to go around. For now (FIXME), we
* just restart the receiver, and hope everything's ok.
*/
-static int iernr(unit, ie)
- int unit;
- struct ie_softc *ie;
+static int
+iernr(int unit, struct ie_softc *ie)
{
#ifdef doesnt_work
- setup_rfa((caddr_t)ie->rframes[0], ie);
+ setup_rfa((caddr_t) ie->rframes[0], ie);
- ie->scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
- command_and_wait(unit, IE_RU_START, 0, 0);
+ ie->scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
+ command_and_wait(unit, IE_RU_START, 0, 0);
#else
- /* This doesn't work either, but it doesn't hang either. */
- command_and_wait(unit, IE_RU_DISABLE, 0, 0); /* just in case */
- setup_rfa((caddr_t)ie->rframes[0], ie); /* ignore cast-qual */
+ /* This doesn't work either, but it doesn't hang either. */
+ command_and_wait(unit, IE_RU_DISABLE, 0, 0); /* just in case */
+ setup_rfa((caddr_t) ie->rframes[0], ie); /* ignore cast-qual */
- ie->scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
- command_and_wait(unit, IE_RU_START, 0, 0); /* was ENABLE */
+ ie->scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
+ command_and_wait(unit, IE_RU_START, 0, 0); /* was ENABLE */
#endif
- ie_ack(ie->scb, IE_ST_WHENCE, unit, ie->ie_chan_attn);
+ ie_ack(ie->scb, IE_ST_WHENCE, unit, ie->ie_chan_attn);
- ie->arpcom.ac_if.if_ierrors++;
- return 0;
+ ie->arpcom.ac_if.if_ierrors++;
+ return (0);
}
/*
* Compare two Ether/802 addresses for equality, inlined and
- * unrolled for speed. I'd love to have an inline assembler
+ * unrolled for speed. I'd love to have an inline assembler
* version of this...
*/
-static inline int ether_equal(u_char *one, u_char *two) {
- if(one[0] != two[0]) return 0;
- if(one[1] != two[1]) return 0;
- if(one[2] != two[2]) return 0;
- if(one[3] != two[3]) return 0;
- if(one[4] != two[4]) return 0;
- if(one[5] != two[5]) return 0;
- return 1;
+static inline int
+ether_equal(u_char * one, u_char * two)
+{
+ if (one[0] != two[0])
+ return (0);
+ if (one[1] != two[1])
+ return (0);
+ if (one[2] != two[2])
+ return (0);
+ if (one[3] != two[3])
+ return (0);
+ if (one[4] != two[4])
+ return (0);
+ if (one[5] != two[5])
+ return (0);
+ return 1;
}
/*
@@ -1095,97 +1088,109 @@ static inline int ether_equal(u_char *one, u_char *two) {
* Return value is true if the packet is for us, and false otherwise.
*
* This routine is a mess, but it's also critical that it be as fast
- * as possible. It could be made cleaner if we can assume that the
+ * as possible. It could be made cleaner if we can assume that the
* only client which will fiddle with IFF_PROMISC is BPF. This is
* probably a good assumption, but we do not make it here. (Yet.)
*/
-static inline int check_eh(struct ie_softc *ie,
- struct ether_header *eh,
- int *to_bpf) {
- int i;
-
- switch(ie->promisc) {
- case IFF_ALLMULTI:
- /*
- * Receiving all multicasts, but no unicasts except those destined for us.
- */
+static inline int
+check_eh(struct ie_softc * ie, struct ether_header * eh, int *to_bpf)
+{
+ int i;
+
+ switch (ie->promisc) {
+ case IFF_ALLMULTI:
+ /*
+ * Receiving all multicasts, but no unicasts except those
+ * destined for us.
+ */
#if NBPFILTER > 0
- *to_bpf = (ie->arpcom.ac_if.if_bpf != 0); /* BPF gets this packet if anybody cares */
+ /* BPF gets this packet if anybody cares */
+ *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
#endif
- if(eh->ether_dhost[0] & 1) {
- return 1;
- }
- if(ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr)) return 1;
- return 0;
-
- case IFF_PROMISC:
- /*
- * Receiving all packets. These need to be passed on to BPF.
- */
+ if (eh->ether_dhost[0] & 1) {
+ return (1);
+ }
+ if (ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr))
+ return (1);
+ return (0);
+
+ case IFF_PROMISC:
+ /*
+ * Receiving all packets. These need to be passed on to
+ * BPF.
+ */
#if NBPFILTER > 0
- *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
+ *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
#endif
- /* If for us, accept and hand up to BPF */
- if(ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr)) return 1;
+ /* If for us, accept and hand up to BPF */
+ if (ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr))
+ return (1);
#if NBPFILTER > 0
- if(*to_bpf) *to_bpf = 2; /* we don't need to see it */
+ if (*to_bpf)
+ *to_bpf = 2; /* we don't need to see it */
#endif
- /*
- * Not a multicast, so BPF wants to see it but we don't.
- */
- if(!(eh->ether_dhost[0] & 1)) return 1;
-
- /*
- * If it's one of our multicast groups, accept it and pass it
- * up.
- */
- for(i = 0; i < ie->mcast_count; i++) {
- if(ether_equal(eh->ether_dhost, (u_char *)&ie->mcast_addrs[i])) {
+ /*
+ * Not a multicast, so BPF wants to see it but we don't.
+ */
+ if (!(eh->ether_dhost[0] & 1))
+ return (1);
+
+ /*
+ * If it's one of our multicast groups, accept it and pass
+ * it up.
+ */
+ for (i = 0; i < ie->mcast_count; i++) {
+ if (ether_equal(eh->ether_dhost,
+ (u_char *)&ie->mcast_addrs[i])) {
#if NBPFILTER > 0
- if(*to_bpf) *to_bpf = 1;
+ if (*to_bpf)
+ *to_bpf = 1;
#endif
- return 1;
- }
- }
- return 1;
-
- case IFF_ALLMULTI | IFF_PROMISC:
- /*
- * Acting as a multicast router, and BPF running at the same time.
- * Whew! (Hope this is a fast machine...)
- */
+ return (1);
+ }
+ }
+ return (1);
+
+ case IFF_ALLMULTI | IFF_PROMISC:
+ /*
+ * Acting as a multicast router, and BPF running at the same
+ * time. Whew! (Hope this is a fast machine...)
+ */
#if NBPFILTER > 0
- *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
+ *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
#endif
- /* We want to see multicasts. */
- if(eh->ether_dhost[0] & 1) return 1;
+ /* We want to see multicasts. */
+ if (eh->ether_dhost[0] & 1)
+ return (1);
- /* We want to see our own packets */
- if(ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr)) return 1;
+ /* We want to see our own packets */
+ if (ether_equal(eh->ether_dhost, ie->arpcom.ac_enaddr))
+ return (1);
- /* Anything else goes to BPF but nothing else. */
+ /* Anything else goes to BPF but nothing else. */
#if NBPFILTER > 0
- if(*to_bpf) *to_bpf = 2;
+ if (*to_bpf)
+ *to_bpf = 2;
#endif
- return 1;
-
- default:
- /*
- * Only accept unicast packets destined for us, or multicasts
- * for groups that we belong to. For now, we assume that the
- * '586 will only return packets that we asked it for. This
- * isn't strictly true (it uses hashing for the multicast filter),
- * but it will do in this case, and we want to get out of here
- * as quickly as possible.
- */
+ return (1);
+
+ default:
+ /*
+ * Only accept unicast packets destined for us, or
+ * multicasts for groups that we belong to. For now, we
+ * assume that the '586 will only return packets that we
+ * asked it for. This isn't strictly true (it uses hashing
+ * for the multicast filter), but it will do in this case,
+ * and we want to get out of here as quickly as possible.
+ */
#if NBPFILTER > 0
- *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
+ *to_bpf = (ie->arpcom.ac_if.if_bpf != 0);
#endif
- return 1;
- }
- return 0;
+ return (1);
+ }
+ return (0);
}
/*
@@ -1193,34 +1198,38 @@ static inline int check_eh(struct ie_softc *ie,
* IE_RBUF_SIZE is an even power of two. If somehow the act_len exceeds
* the size of the buffer, then we are screwed anyway.
*/
-static inline int ie_buflen(struct ie_softc *ie, int head) {
- return (ie->rbuffs[head]->ie_rbd_actual
- & (IE_RBUF_SIZE | (IE_RBUF_SIZE - 1)));
+static inline int
+ie_buflen(struct ie_softc * ie, int head)
+{
+ return (ie->rbuffs[head]->ie_rbd_actual
+ & (IE_RBUF_SIZE | (IE_RBUF_SIZE - 1)));
}
-static inline int ie_packet_len(int unit, struct ie_softc *ie) {
- int i;
- int head = ie->rbhead;
- int acc = 0;
+static inline int
+ie_packet_len(int unit, struct ie_softc * ie)
+{
+ int i;
+ int head = ie->rbhead;
+ int acc = 0;
- do {
- if(!(ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_USED)) {
+ do {
+ if (!(ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_USED)) {
#ifdef DEBUG
- print_rbd(ie->rbuffs[ie->rbhead]);
+ print_rbd(ie->rbuffs[ie->rbhead]);
#endif
- log(LOG_ERR, "ie%d: receive descriptors out of sync at %d\n",
- unit, ie->rbhead);
- iereset(unit);
- return -1;
- }
-
- i = ie->rbuffs[head]->ie_rbd_actual & IE_RBD_LAST;
+ log(LOG_ERR,
+ "ie%d: receive descriptors out of sync at %d\n",
+ unit, ie->rbhead);
+ iereset(unit);
+ return (-1);
+ }
+ i = ie->rbuffs[head]->ie_rbd_actual & IE_RBD_LAST;
- acc += ie_buflen(ie, head);
- head = (head + 1) % ie->nrxbufs;
- } while(!i);
+ acc += ie_buflen(ie, head);
+ head = (head + 1) % ie->nrxbufs;
+ } while (!i);
- return acc;
+ return (acc);
}
/*
@@ -1233,169 +1242,168 @@ static inline int ie_packet_len(int unit, struct ie_softc *ie) {
* chain of partially-full mbufs. This should help to speed up the
* operation considerably. (Provided that it works, of course.)
*/
-static inline int ieget(unit, ie, mp, ehp, to_bpf)
- int unit;
- struct ie_softc *ie;
- struct mbuf **mp;
- struct ether_header *ehp;
- int *to_bpf;
+static inline int
+ieget(int unit, struct ie_softc *ie, struct mbuf **mp,
+ struct ether_header *ehp, int *to_bpf)
{
- struct mbuf *m, *top, **mymp;
- int i;
- int offset;
- int totlen, resid;
- int thismboff;
- int head;
-
- totlen = ie_packet_len(unit, ie);
- if(totlen <= 0) return -1;
-
- i = ie->rbhead;
-
- /*
- * Snarf the Ethernet header.
- */
- bcopy((caddr_t)ie->cbuffs[i], (caddr_t)ehp, sizeof *ehp);
- /* ignore cast-qual warning here */
-
- /*
- * As quickly as possible, check if this packet is for us.
- * If not, don't waste a single cycle copying the rest of the
- * packet in.
- * This is only a consideration when FILTER is defined; i.e., when
- * we are either running BPF or doing multicasting.
- */
- if(!check_eh(ie, ehp, to_bpf)) {
- ie_drop_packet_buffer(unit, ie);
- ie->arpcom.ac_if.if_ierrors--; /* just this case, it's not an error */
- return -1;
- }
- totlen -= (offset = sizeof *ehp);
-
- MGETHDR(*mp, M_DONTWAIT, MT_DATA);
- if(!*mp) {
- ie_drop_packet_buffer(unit, ie);
- return -1;
- }
-
- m = *mp;
- m->m_pkthdr.rcvif = &ie->arpcom.ac_if;
- m->m_len = MHLEN;
- resid = m->m_pkthdr.len = totlen;
- top = 0;
- mymp = &top;
-
- /*
- * This loop goes through and allocates mbufs for all the data we will
- * be copying in. It does not actually do the copying yet.
- */
- do { /* while(resid > 0) */
- /*
- * Try to allocate an mbuf to hold the data that we have. If we
- * already allocated one, just get another one and stick it on the
- * end (eventually). If we don't already have one, try to allocate
- * an mbuf cluster big enough to hold the whole packet, if we think it's
- * reasonable, or a single mbuf which may or may not be big enough.
- * Got that?
- */
- if(top) {
- MGET(m, M_DONTWAIT, MT_DATA);
- if(!m) {
- m_freem(top);
- ie_drop_packet_buffer(unit, ie);
- return -1;
- }
- m->m_len = MLEN;
- }
-
- if(resid >= MINCLSIZE) {
- MCLGET(m, M_DONTWAIT);
- if(m->m_flags & M_EXT)
- m->m_len = min(resid, MCLBYTES);
- } else {
- if(resid < m->m_len) {
- if(!top && resid + max_linkhdr <= m->m_len)
- m->m_data += max_linkhdr;
- m->m_len = resid;
- }
- }
- resid -= m->m_len;
- *mymp = m;
- mymp = &m->m_next;
- } while(resid > 0);
-
- resid = totlen;
- m = top;
- thismboff = 0;
- head = ie->rbhead;
-
- /*
- * Now we take the mbuf chain (hopefully only one mbuf most of the
- * time) and stuff the data into it. There are no possible failures
- * at or after this point.
- */
- while(resid > 0) { /* while there's stuff left */
- int thislen = ie_buflen(ie, head) - offset;
-
- /*
- * If too much data for the current mbuf, then fill the current one
- * up, go to the next one, and try again.
- */
- if(thislen > m->m_len - thismboff) {
- int newlen = m->m_len - thismboff;
- bcopy((caddr_t)(ie->cbuffs[head] + offset),
- mtod(m, caddr_t) + thismboff, (unsigned)newlen);
- /* ignore cast-qual warning */
- m = m->m_next;
- thismboff = 0; /* new mbuf, so no offset */
- offset += newlen; /* we are now this far into the packet */
- resid -= newlen; /* so there is this much left to get */
- continue;
- }
-
- /*
- * If there is more than enough space in the mbuf to hold the
- * contents of this buffer, copy everything in, advance pointers,
- * and so on.
- */
- if(thislen < m->m_len - thismboff) {
- bcopy((caddr_t)(ie->cbuffs[head] + offset), /* ignore warning */
- mtod(m, caddr_t) + thismboff, (unsigned)thislen);
- thismboff += thislen; /* we are this far into the mbuf */
- resid -= thislen; /* and this much is left */
- goto nextbuf;
- }
-
- /*
- * Otherwise, there is exactly enough space to put this buffer's
- * contents into the current mbuf. Do the combination of the above
- * actions.
- */
- bcopy((caddr_t)(ie->cbuffs[head] + offset), /* ignore warning */
- mtod(m, caddr_t) + thismboff, (unsigned)thislen);
- m = m->m_next;
- thismboff = 0; /* new mbuf, start at the beginning */
- resid -= thislen; /* and we are this far through */
-
- /*
- * Advance all the pointers. We can get here from either of the
- * last two cases, but never the first.
- */
+ struct mbuf *m, *top, **mymp;
+ int i;
+ int offset;
+ int totlen, resid;
+ int thismboff;
+ int head;
+
+ totlen = ie_packet_len(unit, ie);
+ if (totlen <= 0)
+ return (-1);
+
+ i = ie->rbhead;
+
+ /*
+ * Snarf the Ethernet header.
+ */
+ bcopy((caddr_t) ie->cbuffs[i], (caddr_t) ehp, sizeof *ehp);
+ /* ignore cast-qual warning here */
+
+ /*
+ * As quickly as possible, check if this packet is for us. If not,
+ * don't waste a single cycle copying the rest of the packet in.
+ * This is only a consideration when FILTER is defined; i.e., when
+ * we are either running BPF or doing multicasting.
+ */
+ if (!check_eh(ie, ehp, to_bpf)) {
+ ie_drop_packet_buffer(unit, ie);
+ ie->arpcom.ac_if.if_ierrors--; /* just this case, it's not an
+ * error
+ */
+ return (-1);
+ }
+ totlen -= (offset = sizeof *ehp);
+
+ MGETHDR(*mp, M_DONTWAIT, MT_DATA);
+ if (!*mp) {
+ ie_drop_packet_buffer(unit, ie);
+ return (-1);
+ }
+ m = *mp;
+ m->m_pkthdr.rcvif = &ie->arpcom.ac_if;
+ m->m_len = MHLEN;
+ resid = m->m_pkthdr.len = totlen;
+ top = 0;
+ mymp = &top;
+
+ /*
+ * This loop goes through and allocates mbufs for all the data we
+ * will be copying in. It does not actually do the copying yet.
+ */
+ do { /* while(resid > 0) */
+ /*
+ * Try to allocate an mbuf to hold the data that we have.
+ * If we already allocated one, just get another one and
+ * stick it on the end (eventually). If we don't already
+ * have one, try to allocate an mbuf cluster big enough to
+ * hold the whole packet, if we think it's reasonable, or a
+ * single mbuf which may or may not be big enough. Got that?
+ */
+ if (top) {
+ MGET(m, M_DONTWAIT, MT_DATA);
+ if (!m) {
+ m_freem(top);
+ ie_drop_packet_buffer(unit, ie);
+ return (-1);
+ }
+ m->m_len = MLEN;
+ }
+ if (resid >= MINCLSIZE) {
+ MCLGET(m, M_DONTWAIT);
+ if (m->m_flags & M_EXT)
+ m->m_len = min(resid, MCLBYTES);
+ } else {
+ if (resid < m->m_len) {
+ if (!top && resid + max_linkhdr <= m->m_len)
+ m->m_data += max_linkhdr;
+ m->m_len = resid;
+ }
+ }
+ resid -= m->m_len;
+ *mymp = m;
+ mymp = &m->m_next;
+ } while (resid > 0);
+
+ resid = totlen;
+ m = top;
+ thismboff = 0;
+ head = ie->rbhead;
+
+ /*
+ * Now we take the mbuf chain (hopefully only one mbuf most of the
+ * time) and stuff the data into it. There are no possible failures
+ * at or after this point.
+ */
+ while (resid > 0) { /* while there's stuff left */
+ int thislen = ie_buflen(ie, head) - offset;
+
+ /*
+ * If too much data for the current mbuf, then fill the
+ * current one up, go to the next one, and try again.
+ */
+ if (thislen > m->m_len - thismboff) {
+ int newlen = m->m_len - thismboff;
+
+ bcopy((caddr_t) (ie->cbuffs[head] + offset),
+ mtod(m, caddr_t) +thismboff, (unsigned) newlen);
+ /* ignore cast-qual warning */
+ m = m->m_next;
+ thismboff = 0; /* new mbuf, so no offset */
+ offset += newlen; /* we are now this far into
+ * the packet */
+ resid -= newlen; /* so there is this much left
+ * to get */
+ continue;
+ }
+ /*
+ * If there is more than enough space in the mbuf to hold
+ * the contents of this buffer, copy everything in, advance
+ * pointers, and so on.
+ */
+ if (thislen < m->m_len - thismboff) {
+ bcopy((caddr_t) (ie->cbuffs[head] + offset),
+ mtod(m, caddr_t) +thismboff, (unsigned) thislen);
+ thismboff += thislen; /* we are this far into the
+ * mbuf */
+ resid -= thislen; /* and this much is left */
+ goto nextbuf;
+ }
+ /*
+ * Otherwise, there is exactly enough space to put this
+ * buffer's contents into the current mbuf. Do the
+ * combination of the above actions.
+ */
+ bcopy((caddr_t) (ie->cbuffs[head] + offset),
+ mtod(m, caddr_t) + thismboff, (unsigned) thislen);
+ m = m->m_next;
+ thismboff = 0; /* new mbuf, start at the beginning */
+ resid -= thislen; /* and we are this far through */
+
+ /*
+ * Advance all the pointers. We can get here from either of
+ * the last two cases, but never the first.
+ */
nextbuf:
- offset = 0;
- ie->rbuffs[head]->ie_rbd_actual = 0;
- ie->rbuffs[head]->ie_rbd_length |= IE_RBD_LAST;
- ie->rbhead = head = (head + 1) % ie->nrxbufs;
- ie->rbuffs[ie->rbtail]->ie_rbd_length &= ~IE_RBD_LAST;
- ie->rbtail = (ie->rbtail + 1) % ie->nrxbufs;
- }
-
- /*
- * Unless something changed strangely while we were doing the copy,
- * we have now copied everything in from the shared memory.
- * This means that we are done.
- */
- return 0;
+ offset = 0;
+ ie->rbuffs[head]->ie_rbd_actual = 0;
+ ie->rbuffs[head]->ie_rbd_length |= IE_RBD_LAST;
+ ie->rbhead = head = (head + 1) % ie->nrxbufs;
+ ie->rbuffs[ie->rbtail]->ie_rbd_length &= ~IE_RBD_LAST;
+ ie->rbtail = (ie->rbtail + 1) % ie->nrxbufs;
+ }
+
+ /*
+ * Unless something changed strangely while we were doing the copy,
+ * we have now copied everything in from the shared memory. This
+ * means that we are done.
+ */
+ return (0);
}
/*
@@ -1404,128 +1412,132 @@ nextbuf:
* This routine reads the RFD at NUM, and copies in the buffers from
* the list of RBD, then rotates the RBD and RFD lists so that the receiver
* doesn't start complaining. Trailers are DROPPED---there's no point
- * in wasting time on confusing code to deal with them. Hopefully,
+ * in wasting time on confusing code to deal with them. Hopefully,
* this machine will never ARP for trailers anyway.
*/
-static void ie_readframe(unit, ie, num)
- int unit;
- struct ie_softc *ie;
- int num; /* frame number to read */
+static void
+ie_readframe(int unit, struct ie_softc *ie, int num/* frame number to read */)
{
- struct ie_recv_frame_desc rfd;
- struct mbuf *m = 0;
- struct ether_header eh;
+ struct ie_recv_frame_desc rfd;
+ struct mbuf *m = 0;
+ struct ether_header eh;
+
#if NBPFILTER > 0
- int bpf_gets_it = 0;
+ int bpf_gets_it = 0;
+
#endif
- bcopy((caddr_t)(ie->rframes[num]), &rfd, sizeof(struct ie_recv_frame_desc));
+ bcopy((caddr_t) (ie->rframes[num]), &rfd,
+ sizeof(struct ie_recv_frame_desc));
- /* Immediately advance the RFD list, since we we have copied ours now. */
- ie->rframes[num]->ie_fd_status = 0;
- ie->rframes[num]->ie_fd_last |= IE_FD_LAST;
- ie->rframes[ie->rftail]->ie_fd_last &= ~IE_FD_LAST;
- ie->rftail = (ie->rftail + 1) % ie->nframes;
- ie->rfhead = (ie->rfhead + 1) % ie->nframes;
+ /*
+ * Immediately advance the RFD list, since we we have copied ours
+ * now.
+ */
+ ie->rframes[num]->ie_fd_status = 0;
+ ie->rframes[num]->ie_fd_last |= IE_FD_LAST;
+ ie->rframes[ie->rftail]->ie_fd_last &= ~IE_FD_LAST;
+ ie->rftail = (ie->rftail + 1) % ie->nframes;
+ ie->rfhead = (ie->rfhead + 1) % ie->nframes;
- if(rfd.ie_fd_status & IE_FD_OK) {
- if(
+ if (rfd.ie_fd_status & IE_FD_OK) {
#if NBPFILTER > 0
- ieget(unit, ie, &m, &eh, &bpf_gets_it)
+ if (ieget(unit, ie, &m, &eh, &bpf_gets_it)) {
#else
- ieget(unit, ie, &m, &eh, (int *)0)
+ if (ieget(unit, ie, &m, &eh, (int *)0)) {
#endif
- ) {
- ie->arpcom.ac_if.if_ierrors++; /* this counts as an error */
- return;
- }
- }
-
+ ie->arpcom.ac_if.if_ierrors++; /* this counts as an
+ * error */
+ return;
+ }
+ }
#ifdef DEBUG
- if(ie_debug & IED_READFRAME) {
- printf("ie%d: frame from ether %6D type %x\n", unit,
- eh.ether_shost, ":", (unsigned)eh.ether_type);
- }
- if(ntohs(eh.ether_type) > ETHERTYPE_TRAIL
- && ntohs(eh.ether_type) < (ETHERTYPE_TRAIL + ETHERTYPE_NTRAILER))
- printf("received trailer!\n");
+ if (ie_debug & IED_READFRAME) {
+ printf("ie%d: frame from ether %6D type %x\n", unit,
+ eh.ether_shost, ":", (unsigned) eh.ether_type);
+ }
+ if (ntohs(eh.ether_type) > ETHERTYPE_TRAIL
+ && ntohs(eh.ether_type) < (ETHERTYPE_TRAIL + ETHERTYPE_NTRAILER))
+ printf("received trailer!\n");
#endif
- if(!m) return;
-
- if(last_not_for_us) {
- m_freem(last_not_for_us);
- last_not_for_us = 0;
- }
+ if (!m)
+ return;
+ if (last_not_for_us) {
+ m_freem(last_not_for_us);
+ last_not_for_us = 0;
+ }
#if NBPFILTER > 0
- /*
- * Check for a BPF filter; if so, hand it up.
- * Note that we have to stick an extra mbuf up front, because
- * bpf_mtap expects to have the ether header at the front.
- * It doesn't matter that this results in an ill-formatted mbuf chain,
- * since BPF just looks at the data. (It doesn't try to free the mbuf,
- * tho' it will make a copy for tcpdump.)
- */
- if(bpf_gets_it) {
- struct mbuf m0;
- m0.m_len = sizeof eh;
- m0.m_data = (caddr_t)&eh;
- m0.m_next = m;
-
- /* Pass it up */
- bpf_mtap(&ie->arpcom.ac_if, &m0);
- }
- /*
- * A signal passed up from the filtering code indicating that the
- * packet is intended for BPF but not for the protocol machinery.
- * We can save a few cycles by not handing it off to them.
- */
- if(bpf_gets_it == 2) {
- last_not_for_us = m;
- return;
- }
-#endif /* NBPFILTER > 0 */
- /*
- * In here there used to be code to check destination addresses upon
- * receipt of a packet. We have deleted that code, and replaced it
- * with code to check the address much earlier in the cycle, before
- * copying the data in; this saves us valuable cycles when operating
- * as a multicast router or when using BPF.
- */
-
- /*
- * Finally pass this packet up to higher layers.
- */
- ether_input(&ie->arpcom.ac_if, &eh, m);
-}
+ /*
+ * Check for a BPF filter; if so, hand it up. Note that we have to
+ * stick an extra mbuf up front, because bpf_mtap expects to have
+ * the ether header at the front. It doesn't matter that this
+ * results in an ill-formatted mbuf chain, since BPF just looks at
+ * the data. (It doesn't try to free the mbuf, tho' it will make a
+ * copy for tcpdump.)
+ */
+ if (bpf_gets_it) {
+ struct mbuf m0;
+
+ m0.m_len = sizeof eh;
+ m0.m_data = (caddr_t)&eh;
+ m0.m_next = m;
+
+ /* Pass it up */
+ bpf_mtap(&ie->arpcom.ac_if, &m0);
+ }
+ /*
+ * A signal passed up from the filtering code indicating that the
+ * packet is intended for BPF but not for the protocol machinery. We
+ * can save a few cycles by not handing it off to them.
+ */
+ if (bpf_gets_it == 2) {
+ last_not_for_us = m;
+ return;
+ }
+#endif /* NBPFILTER > 0 */
+ /*
+ * In here there used to be code to check destination addresses upon
+ * receipt of a packet. We have deleted that code, and replaced it
+ * with code to check the address much earlier in the cycle, before
+ * copying the data in; this saves us valuable cycles when operating
+ * as a multicast router or when using BPF.
+ */
-static void ie_drop_packet_buffer(int unit, struct ie_softc *ie) {
- int i;
+ /*
+ * Finally pass this packet up to higher layers.
+ */
+ ether_input(&ie->arpcom.ac_if, &eh, m);
+}
- do {
- /*
- * This means we are somehow out of sync. So, we reset the
- * adapter.
- */
- if(!(ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_USED)) {
+static void
+ie_drop_packet_buffer(int unit, struct ie_softc * ie)
+{
+ int i;
+
+ do {
+ /*
+ * This means we are somehow out of sync. So, we reset the
+ * adapter.
+ */
+ if (!(ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_USED)) {
#ifdef DEBUG
- print_rbd(ie->rbuffs[ie->rbhead]);
+ print_rbd(ie->rbuffs[ie->rbhead]);
#endif
- log(LOG_ERR, "ie%d: receive descriptors out of sync at %d\n",
- unit, ie->rbhead);
- iereset(unit);
- return;
- }
-
- i = ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_LAST;
-
- ie->rbuffs[ie->rbhead]->ie_rbd_length |= IE_RBD_LAST;
- ie->rbuffs[ie->rbhead]->ie_rbd_actual = 0;
- ie->rbhead = (ie->rbhead + 1) % ie->nrxbufs;
- ie->rbuffs[ie->rbtail]->ie_rbd_length &= ~IE_RBD_LAST;
- ie->rbtail = (ie->rbtail + 1) % ie->nrxbufs;
- } while(!i);
+ log(LOG_ERR, "ie%d: receive descriptors out of sync at %d\n",
+ unit, ie->rbhead);
+ iereset(unit);
+ return;
+ }
+ i = ie->rbuffs[ie->rbhead]->ie_rbd_actual & IE_RBD_LAST;
+
+ ie->rbuffs[ie->rbhead]->ie_rbd_length |= IE_RBD_LAST;
+ ie->rbuffs[ie->rbhead]->ie_rbd_actual = 0;
+ ie->rbhead = (ie->rbhead + 1) % ie->nrxbufs;
+ ie->rbuffs[ie->rbtail]->ie_rbd_length &= ~IE_RBD_LAST;
+ ie->rbtail = (ie->rbtail + 1) % ie->nrxbufs;
+ } while (!i);
}
@@ -1533,208 +1545,207 @@ static void ie_drop_packet_buffer(int unit, struct ie_softc *ie) {
* Start transmission on an interface.
*/
static void
-iestart(ifp)
- struct ifnet *ifp;
+iestart(struct ifnet *ifp)
{
- struct ie_softc *ie = ifp->if_softc;
- struct mbuf *m0, *m;
- unsigned char *buffer;
- u_short len;
- /* This is not really volatile, in this routine, but it makes gcc happy. */
- volatile u_short *bptr = &ie->scb->ie_command_list;
-
- if(!(ifp->if_flags & IFF_RUNNING))
- return;
- if(ifp->if_flags & IFF_OACTIVE)
- return;
-
- do {
- IF_DEQUEUE(&ie->arpcom.ac_if.if_snd, m);
- if(!m)
- break;
-
- buffer = ie->xmit_cbuffs[ie->xmit_count];
- len = 0;
-
- for(m0 = m; m && len < IE_BUF_LEN; m = m->m_next) {
- bcopy(mtod(m, caddr_t), buffer, m->m_len);
- buffer += m->m_len;
- len += m->m_len;
- }
-
- m_freem(m0);
- len = max(len, ETHER_MIN_LEN);
+ struct ie_softc *ie = ifp->if_softc;
+ struct mbuf *m0, *m;
+ unsigned char *buffer;
+ u_short len;
+
+ /*
+ * This is not really volatile, in this routine, but it makes gcc
+ * happy.
+ */
+ volatile u_short *bptr = &ie->scb->ie_command_list;
+
+ if (!(ifp->if_flags & IFF_RUNNING))
+ return;
+ if (ifp->if_flags & IFF_OACTIVE)
+ return;
+
+ do {
+ IF_DEQUEUE(&ie->arpcom.ac_if.if_snd, m);
+ if (!m)
+ break;
+
+ buffer = ie->xmit_cbuffs[ie->xmit_count];
+ len = 0;
+
+ for (m0 = m; m && len < IE_BUF_LEN; m = m->m_next) {
+ bcopy(mtod(m, caddr_t), buffer, m->m_len);
+ buffer += m->m_len;
+ len += m->m_len;
+ }
+
+ m_freem(m0);
+ len = max(len, ETHER_MIN_LEN);
#if NBPFILTER > 0
- /*
- * See if bpf is listening on this interface, let it see the packet
- * before we commit it to the wire.
- */
- if(ie->arpcom.ac_if.if_bpf)
- bpf_tap(&ie->arpcom.ac_if, ie->xmit_cbuffs[ie->xmit_count], len);
+ /*
+ * See if bpf is listening on this interface, let it see the
+ * packet before we commit it to the wire.
+ */
+ if (ie->arpcom.ac_if.if_bpf)
+ bpf_tap(&ie->arpcom.ac_if,
+ ie->xmit_cbuffs[ie->xmit_count], len);
#endif
- ie->xmit_buffs[ie->xmit_count]->ie_xmit_flags = IE_XMIT_LAST | len;
- ie->xmit_buffs[ie->xmit_count]->ie_xmit_next = 0xffff;
- ie->xmit_buffs[ie->xmit_count]->ie_xmit_buf =
- MK_24(ie->iomem, ie->xmit_cbuffs[ie->xmit_count]);
-
- ie->xmit_cmds[ie->xmit_count]->com.ie_cmd_cmd = IE_CMD_XMIT;
- ie->xmit_cmds[ie->xmit_count]->ie_xmit_status = 0;
- ie->xmit_cmds[ie->xmit_count]->ie_xmit_desc =
- MK_16(ie->iomem, ie->xmit_buffs[ie->xmit_count]);
-
- *bptr = MK_16(ie->iomem, ie->xmit_cmds[ie->xmit_count]);
- bptr = &ie->xmit_cmds[ie->xmit_count]->com.ie_cmd_link;
- ie->xmit_count++;
- } while (ie->xmit_count < ie->ntxbufs);
-
- /*
- * If we queued up anything for transmission, send it.
- */
- if(ie->xmit_count) {
- ie->xmit_cmds[ie->xmit_count - 1]->com.ie_cmd_cmd |=
- IE_CMD_LAST | IE_CMD_INTR;
-
- /*
- * By passing the command pointer as a null, we tell
- * command_and_wait() to pretend that this isn't an action
- * command. I wish I understood what was happening here.
- */
- command_and_wait(ifp->if_unit, IE_CU_START, 0, 0);
- ifp->if_flags |= IFF_OACTIVE;
- }
-
- return;
+ ie->xmit_buffs[ie->xmit_count]->ie_xmit_flags =
+ IE_XMIT_LAST|len;
+ ie->xmit_buffs[ie->xmit_count]->ie_xmit_next = 0xffff;
+ ie->xmit_buffs[ie->xmit_count]->ie_xmit_buf =
+ MK_24(ie->iomem, ie->xmit_cbuffs[ie->xmit_count]);
+
+ ie->xmit_cmds[ie->xmit_count]->com.ie_cmd_cmd = IE_CMD_XMIT;
+ ie->xmit_cmds[ie->xmit_count]->ie_xmit_status = 0;
+ ie->xmit_cmds[ie->xmit_count]->ie_xmit_desc =
+ MK_16(ie->iomem, ie->xmit_buffs[ie->xmit_count]);
+
+ *bptr = MK_16(ie->iomem, ie->xmit_cmds[ie->xmit_count]);
+ bptr = &ie->xmit_cmds[ie->xmit_count]->com.ie_cmd_link;
+ ie->xmit_count++;
+ } while (ie->xmit_count < ie->ntxbufs);
+
+ /*
+ * If we queued up anything for transmission, send it.
+ */
+ if (ie->xmit_count) {
+ ie->xmit_cmds[ie->xmit_count - 1]->com.ie_cmd_cmd |=
+ IE_CMD_LAST | IE_CMD_INTR;
+
+ /*
+ * By passing the command pointer as a null, we tell
+ * command_and_wait() to pretend that this isn't an action
+ * command. I wish I understood what was happening here.
+ */
+ command_and_wait(ifp->if_unit, IE_CU_START, 0, 0);
+ ifp->if_flags |= IFF_OACTIVE;
+ }
+ return;
}
/*
* Check to see if there's an 82586 out there.
*/
static int
-check_ie_present(unit, where, size)
- int unit;
- caddr_t where;
- unsigned size;
+check_ie_present(int unit, caddr_t where, unsigned size)
{
- volatile struct ie_sys_conf_ptr *scp;
- volatile struct ie_int_sys_conf_ptr *iscp;
- volatile struct ie_sys_ctl_block *scb;
- u_long realbase;
- int s;
-
- s = splimp();
-
- realbase = (u_long)where + size - (1 << 24);
+ volatile struct ie_sys_conf_ptr *scp;
+ volatile struct ie_int_sys_conf_ptr *iscp;
+ volatile struct ie_sys_ctl_block *scb;
+ u_long realbase;
+ int s;
- scp = (volatile struct ie_sys_conf_ptr *)(realbase + IE_SCP_ADDR);
- bzero((char *)scp, sizeof *scp); /* ignore cast-qual */
+ s = splimp();
- /*
- * First we put the ISCP at the bottom of memory; this tests to make
- * sure that our idea of the size of memory is the same as the controller's.
- * This is NOT where the ISCP will be in normal operation.
- */
- iscp = (volatile struct ie_int_sys_conf_ptr *)where;
- bzero((char *)iscp, sizeof *iscp); /* ignore cast-qual */
+ realbase = (u_long) where + size - (1 << 24);
- scb = (volatile struct ie_sys_ctl_block *)where;
- bzero((char *)scb, sizeof *scb); /* ignore cast-qual */
+ scp = (volatile struct ie_sys_conf_ptr *) (realbase + IE_SCP_ADDR);
+ bzero((char *) scp, sizeof *scp);
- scp->ie_bus_use = ie_softc[unit].bus_use; /* 8-bit or 16-bit */
- scp->ie_iscp_ptr = (caddr_t)((volatile caddr_t)iscp - /* ignore cast-qual */
- (volatile caddr_t)realbase);
+ /*
+ * First we put the ISCP at the bottom of memory; this tests to make
+ * sure that our idea of the size of memory is the same as the
+ * controller's. This is NOT where the ISCP will be in normal
+ * operation.
+ */
+ iscp = (volatile struct ie_int_sys_conf_ptr *) where;
+ bzero((char *)iscp, sizeof *iscp);
- iscp->ie_busy = 1;
- iscp->ie_scb_offset = MK_16(realbase, scb) + 256;
+ scb = (volatile struct ie_sys_ctl_block *) where;
+ bzero((char *)scb, sizeof *scb);
- (*ie_softc[unit].ie_reset_586)(unit);
- (*ie_softc[unit].ie_chan_attn)(unit);
+ scp->ie_bus_use = ie_softc[unit].bus_use; /* 8-bit or 16-bit */
+ scp->ie_iscp_ptr = (caddr_t) ((volatile caddr_t) iscp -
+ (volatile caddr_t) realbase);
- DELAY(100); /* wait a while... */
+ iscp->ie_busy = 1;
+ iscp->ie_scb_offset = MK_16(realbase, scb) + 256;
- if(iscp->ie_busy) {
- splx(s);
- return 0;
- }
+ (*ie_softc[unit].ie_reset_586) (unit);
+ (*ie_softc[unit].ie_chan_attn) (unit);
- /*
- * Now relocate the ISCP to its real home, and reset the controller
- * again.
- */
- iscp = (void *)Align((caddr_t)(realbase + IE_SCP_ADDR -
- sizeof(struct ie_int_sys_conf_ptr)));
- bzero((char *)iscp, sizeof *iscp); /* ignore cast-qual */
+ DELAY(100); /* wait a while... */
- scp->ie_iscp_ptr = (caddr_t)((caddr_t)iscp - (caddr_t)realbase);
- /* ignore cast-qual */
+ if (iscp->ie_busy) {
+ splx(s);
+ return (0);
+ }
+ /*
+ * Now relocate the ISCP to its real home, and reset the controller
+ * again.
+ */
+ iscp = (void *) Align((caddr_t) (realbase + IE_SCP_ADDR -
+ sizeof(struct ie_int_sys_conf_ptr)));
+ bzero((char *) iscp, sizeof *iscp); /* ignore cast-qual */
- iscp->ie_busy = 1;
- iscp->ie_scb_offset = MK_16(realbase, scb);
+ scp->ie_iscp_ptr = (caddr_t) ((caddr_t) iscp - (caddr_t) realbase);
+ /* ignore cast-qual */
- (*ie_softc[unit].ie_reset_586)(unit);
- (*ie_softc[unit].ie_chan_attn)(unit);
+ iscp->ie_busy = 1;
+ iscp->ie_scb_offset = MK_16(realbase, scb);
- DELAY(100);
+ (*ie_softc[unit].ie_reset_586) (unit);
+ (*ie_softc[unit].ie_chan_attn) (unit);
- if(iscp->ie_busy) {
- splx(s);
- return 0;
- }
+ DELAY(100);
- ie_softc[unit].iosize = size;
- ie_softc[unit].iomem = (caddr_t)realbase;
+ if (iscp->ie_busy) {
+ splx(s);
+ return (0);
+ }
+ ie_softc[unit].iosize = size;
+ ie_softc[unit].iomem = (caddr_t) realbase;
- ie_softc[unit].iscp = iscp;
- ie_softc[unit].scb = scb;
+ ie_softc[unit].iscp = iscp;
+ ie_softc[unit].scb = scb;
- /*
- * Acknowledge any interrupts we may have caused...
- */
- ie_ack(scb, IE_ST_WHENCE, unit, ie_softc[unit].ie_chan_attn);
- splx(s);
+ /*
+ * Acknowledge any interrupts we may have caused...
+ */
+ ie_ack(scb, IE_ST_WHENCE, unit, ie_softc[unit].ie_chan_attn);
+ splx(s);
- return 1;
+ return (1);
}
/*
* Divine the memory size of ie board UNIT.
* Better hope there's nothing important hiding just below the ie card...
*/
-static void find_ie_mem_size(unit)
- int unit;
+static void
+find_ie_mem_size(int unit)
{
- unsigned size;
+ unsigned size;
- ie_softc[unit].iosize = 0;
+ ie_softc[unit].iosize = 0;
- for(size = 65536; size >= 8192; size -= 8192) {
- if(check_ie_present(unit, ie_softc[unit].iomembot, size)) {
- return;
- }
- }
+ for (size = 65536; size >= 8192; size -= 8192) {
+ if (check_ie_present(unit, ie_softc[unit].iomembot, size)) {
+ return;
+ }
+ }
- return;
+ return;
}
-void el_reset_586(unit)
- int unit;
+void
+el_reset_586(int unit)
{
- outb(PORT + IE507_CTRL, EL_CTRL_RESET);
- DELAY(100);
- outb(PORT + IE507_CTRL, EL_CTRL_NORMAL);
- DELAY(100);
+ outb(PORT + IE507_CTRL, EL_CTRL_RESET);
+ DELAY(100);
+ outb(PORT + IE507_CTRL, EL_CTRL_NORMAL);
+ DELAY(100);
}
-void sl_reset_586(unit)
- int unit;
+void
+sl_reset_586(int unit)
{
- outb(PORT + IEATT_RESET, 0);
+ outb(PORT + IEATT_RESET, 0);
}
void
-ee16_reset_586(unit)
- int unit;
+ee16_reset_586(int unit)
{
outb(PORT + IEE16_ECTRL, IEE16_RESET_586);
DELAY(100);
@@ -1742,31 +1753,28 @@ ee16_reset_586(unit)
DELAY(100);
}
-void el_chan_attn(unit)
- int unit;
+void
+el_chan_attn(int unit)
{
- outb(PORT + IE507_ATTN, 1);
+ outb(PORT + IE507_ATTN, 1);
}
-void sl_chan_attn(unit)
- int unit;
+void
+sl_chan_attn(int unit)
{
- outb(PORT + IEATT_ATTN, 0);
+ outb(PORT + IEATT_ATTN, 0);
}
void
-ee16_chan_attn(unit)
- int unit;
+ee16_chan_attn(int unit)
{
outb(PORT + IEE16_ATTN, 0);
}
u_short
-ee16_read_eeprom(sc, location)
- struct ie_softc *sc;
- int location;
+ee16_read_eeprom(struct ie_softc *sc, int location)
{
- int ectrl, edata;
+ int ectrl, edata;
ectrl = inb(sc->port + IEE16_ECTRL);
ectrl &= IEE16_ECTRL_MASK;
@@ -1785,11 +1793,9 @@ ee16_read_eeprom(sc, location)
}
void
-ee16_eeprom_outbits(sc, edata, count)
- struct ie_softc *sc;
- int edata, count;
+ee16_eeprom_outbits(struct ie_softc *sc, int edata, int count)
{
- int ectrl, i;
+ int ectrl, i;
ectrl = inb(sc->port + IEE16_ECTRL);
ectrl &= ~IEE16_RESET_ASIC;
@@ -1809,10 +1815,9 @@ ee16_eeprom_outbits(sc, edata, count)
}
int
-ee16_eeprom_inbits(sc)
- struct ie_softc *sc;
+ee16_eeprom_inbits(struct ie_softc *sc)
{
- int ectrl, edata, i;
+ int ectrl, edata, i;
ectrl = inb(sc->port + IEE16_ECTRL);
ectrl &= ~IEE16_RESET_ASIC;
@@ -1829,11 +1834,9 @@ ee16_eeprom_inbits(sc)
}
void
-ee16_eeprom_clock(sc, state)
- struct ie_softc *sc;
- int state;
+ee16_eeprom_clock(struct ie_softc *sc, int state)
{
- int ectrl;
+ int ectrl;
ectrl = inb(sc->port + IEE16_ECTRL);
ectrl &= ~(IEE16_RESET_ASIC | IEE16_ECTRL_EESK);
@@ -1845,69 +1848,65 @@ ee16_eeprom_clock(sc, state)
}
static inline void
-ee16_interrupt_enable(sc)
- struct ie_softc *sc;
+ee16_interrupt_enable(struct ie_softc *sc)
{
DELAY(100);
outb(sc->port + IEE16_IRQ, sc->irq_encoded | IEE16_IRQ_ENABLE);
DELAY(100);
}
-void sl_read_ether(unit, addr)
- int unit;
- unsigned char addr[6];
+void
+sl_read_ether(int unit, unsigned char addr[6])
{
- int i;
+ int i;
- for(i = 0; i < 6; i++)
- addr[i] = inb(PORT + i);
+ for (i = 0; i < 6; i++)
+ addr[i] = inb(PORT + i);
}
static void
-iereset(unit)
- int unit;
+iereset(int unit)
{
- int s = splimp();
-
- if(unit >= NIE) {
- splx(s);
- return;
- }
+ int s = splimp();
- printf("ie%d: reset\n", unit);
- ie_softc[unit].arpcom.ac_if.if_flags &= ~IFF_UP;
- ieioctl(&ie_softc[unit].arpcom.ac_if, SIOCSIFFLAGS, 0);
+ if (unit >= NIE) {
+ splx(s);
+ return;
+ }
+ printf("ie%d: reset\n", unit);
+ ie_softc[unit].arpcom.ac_if.if_flags &= ~IFF_UP;
+ ieioctl(&ie_softc[unit].arpcom.ac_if, SIOCSIFFLAGS, 0);
- /*
- * Stop i82586 dead in its tracks.
- */
- if(command_and_wait(unit, IE_RU_ABORT | IE_CU_ABORT, 0, 0))
- printf("ie%d: abort commands timed out\n", unit);
+ /*
+ * Stop i82586 dead in its tracks.
+ */
+ if (command_and_wait(unit, IE_RU_ABORT | IE_CU_ABORT, 0, 0))
+ printf("ie%d: abort commands timed out\n", unit);
- if(command_and_wait(unit, IE_RU_DISABLE | IE_CU_STOP, 0, 0))
- printf("ie%d: disable commands timed out\n", unit);
+ if (command_and_wait(unit, IE_RU_DISABLE | IE_CU_STOP, 0, 0))
+ printf("ie%d: disable commands timed out\n", unit);
#ifdef notdef
- if(!check_ie_present(unit, ie_softc[unit].iomembot, ie_softc[unit].iosize))
- panic("ie disappeared!");
+ if (!check_ie_present(unit, ie_softc[unit].iomembot,
+ e_softc[unit].iosize))
+ panic("ie disappeared!");
#endif
- ie_softc[unit].arpcom.ac_if.if_flags |= IFF_UP;
- ieioctl(&ie_softc[unit].arpcom.ac_if, SIOCSIFFLAGS, 0);
+ ie_softc[unit].arpcom.ac_if.if_flags |= IFF_UP;
+ ieioctl(&ie_softc[unit].arpcom.ac_if, SIOCSIFFLAGS, 0);
- splx(s);
- return;
+ splx(s);
+ return;
}
/*
* This is called if we time out.
*/
static void
-chan_attn_timeout(rock)
- void *rock;
+chan_attn_timeout(void *rock)
{
- *(int *)rock = 1;
+ *(int *) rock = 1;
}
/*
@@ -1919,205 +1918,207 @@ chan_attn_timeout(rock)
* ((volatile struct ie_cmd_common *)pcmd)->ie_cmd_status & MASK
* to become true.
*/
-static int command_and_wait(unit, cmd, pcmd, mask)
- int unit;
- int cmd;
- volatile void *pcmd;
- int mask;
+static int
+command_and_wait(int unit, int cmd, volatile void *pcmd, int mask)
{
- volatile struct ie_cmd_common *cc = pcmd;
- volatile int timedout = 0;
-
- ie_softc[unit].scb->ie_command = (u_short)cmd;
-
- if(IE_ACTION_COMMAND(cmd) && pcmd) {
- (*ie_softc[unit].ie_chan_attn)(unit);
-
- /*
- * According to the packet driver, the minimum timeout should be
- * .369 seconds, which we round up to .37.
- */
- timeout(chan_attn_timeout, (caddr_t)&timedout, 37 * hz / 100);
- /* ignore cast-qual */
-
- /*
- * Now spin-lock waiting for status. This is not a very nice
- * thing to do, but I haven't figured out how, or indeed if, we
- * can put the process waiting for action to sleep. (We may
- * be getting called through some other timeout running in the
- * kernel.)
- */
- while(1) {
- if((cc->ie_cmd_status & mask) || timedout)
- break;
- }
-
- untimeout(chan_attn_timeout, (caddr_t)&timedout);
- /* ignore cast-qual */
-
- return timedout;
- } else {
-
- /*
- * Otherwise, just wait for the command to be accepted.
- */
- (*ie_softc[unit].ie_chan_attn)(unit);
-
- while(ie_softc[unit].scb->ie_command)
- ; /* spin lock */
-
- return 0;
- }
+ volatile struct ie_cmd_common *cc = pcmd;
+ volatile int timedout = 0;
+
+ ie_softc[unit].scb->ie_command = (u_short) cmd;
+
+ if (IE_ACTION_COMMAND(cmd) && pcmd) {
+ (*ie_softc[unit].ie_chan_attn) (unit);
+
+ /*
+ * According to the packet driver, the minimum timeout
+ * should be .369 seconds, which we round up to .37.
+ */
+ timeout(chan_attn_timeout, (caddr_t)&timedout, 37 * hz / 100);
+ /* ignore cast-qual */
+
+ /*
+ * Now spin-lock waiting for status. This is not a very
+ * nice thing to do, but I haven't figured out how, or
+ * indeed if, we can put the process waiting for action to
+ * sleep. (We may be getting called through some other
+ * timeout running in the kernel.)
+ */
+ while (1) {
+ if ((cc->ie_cmd_status & mask) || timedout)
+ break;
+ }
+
+ untimeout(chan_attn_timeout, (caddr_t)&timedout);
+ /* ignore cast-qual */
+
+ return (timedout);
+ } else {
+
+ /*
+ * Otherwise, just wait for the command to be accepted.
+ */
+ (*ie_softc[unit].ie_chan_attn) (unit);
+
+ while (ie_softc[unit].scb->ie_command); /* spin lock */
+
+ return (0);
+ }
}
/*
* Run the time-domain reflectometer...
*/
-static void run_tdr(unit, cmd)
- int unit;
- struct ie_tdr_cmd *cmd;
+static void
+run_tdr(int unit, struct ie_tdr_cmd *cmd)
{
- int result;
-
- cmd->com.ie_cmd_status = 0;
- cmd->com.ie_cmd_cmd = IE_CMD_TDR | IE_CMD_LAST;
- cmd->com.ie_cmd_link = 0xffff;
- cmd->ie_tdr_time = 0;
-
- ie_softc[unit].scb->ie_command_list = MK_16(MEM, cmd);
- cmd->ie_tdr_time = 0;
-
- if(command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL))
- result = 0x2000;
- else
- result = cmd->ie_tdr_time;
-
- ie_ack(ie_softc[unit].scb, IE_ST_WHENCE, unit,
- ie_softc[unit].ie_chan_attn);
-
- if(result & IE_TDR_SUCCESS)
- return;
-
- if(result & IE_TDR_XCVR) {
- printf("ie%d: transceiver problem\n", unit);
- } else if(result & IE_TDR_OPEN) {
- printf("ie%d: TDR detected an open %d clocks away\n", unit,
- result & IE_TDR_TIME);
- } else if(result & IE_TDR_SHORT) {
- printf("ie%d: TDR detected a short %d clocks away\n", unit,
- result & IE_TDR_TIME);
- } else {
- printf("ie%d: TDR returned unknown status %x\n", unit, result);
- }
+ int result;
+
+ cmd->com.ie_cmd_status = 0;
+ cmd->com.ie_cmd_cmd = IE_CMD_TDR | IE_CMD_LAST;
+ cmd->com.ie_cmd_link = 0xffff;
+ cmd->ie_tdr_time = 0;
+
+ ie_softc[unit].scb->ie_command_list = MK_16(MEM, cmd);
+ cmd->ie_tdr_time = 0;
+
+ if (command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL))
+ result = 0x2000;
+ else
+ result = cmd->ie_tdr_time;
+
+ ie_ack(ie_softc[unit].scb, IE_ST_WHENCE, unit,
+ ie_softc[unit].ie_chan_attn);
+
+ if (result & IE_TDR_SUCCESS)
+ return;
+
+ if (result & IE_TDR_XCVR) {
+ printf("ie%d: transceiver problem\n", unit);
+ } else if (result & IE_TDR_OPEN) {
+ printf("ie%d: TDR detected an open %d clocks away\n", unit,
+ result & IE_TDR_TIME);
+ } else if (result & IE_TDR_SHORT) {
+ printf("ie%d: TDR detected a short %d clocks away\n", unit,
+ result & IE_TDR_TIME);
+ } else {
+ printf("ie%d: TDR returned unknown status %x\n", unit, result);
+ }
}
-static void start_receiver(unit)
- int unit;
+static void
+start_receiver(int unit)
{
- int s = splimp();
+ int s = splimp();
- ie_softc[unit].scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
- command_and_wait(unit, IE_RU_START, 0, 0);
+ ie_softc[unit].scb->ie_recv_list = MK_16(MEM, ie_softc[unit].rframes[0]);
+ command_and_wait(unit, IE_RU_START, 0, 0);
- ie_ack(ie_softc[unit].scb, IE_ST_WHENCE, unit, ie_softc[unit].ie_chan_attn);
+ ie_ack(ie_softc[unit].scb, IE_ST_WHENCE, unit, ie_softc[unit].ie_chan_attn);
- splx(s);
+ splx(s);
}
/*
* Here is a helper routine for iernr() and ieinit(). This sets up
* the RFA.
*/
-static caddr_t setup_rfa(caddr_t ptr, struct ie_softc *ie) {
- volatile struct ie_recv_frame_desc *rfd = (void *)ptr;
- volatile struct ie_recv_buf_desc *rbd;
- int i;
- int unit = ie - &ie_softc[0];
-
- /* First lay them out */
- for(i = 0; i < ie->nframes; i++) {
- ie->rframes[i] = rfd;
- bzero((char *)rfd, sizeof *rfd); /* ignore cast-qual */
- rfd++;
- }
-
- ptr = (caddr_t)Align((caddr_t)rfd); /* ignore cast-qual */
-
- /* Now link them together */
- for(i = 0; i < ie->nframes; i++) {
- ie->rframes[i]->ie_fd_next =
- MK_16(MEM, ie->rframes[(i + 1) % ie->nframes]);
- }
-
- /* Finally, set the EOL bit on the last one. */
- ie->rframes[ie->nframes - 1]->ie_fd_last |= IE_FD_LAST;
-
- /*
- * Now lay out some buffers for the incoming frames. Note that
- * we set aside a bit of slop in each buffer, to make sure that
- * we have enough space to hold a single frame in every buffer.
- */
- rbd = (void *)ptr;
-
- for(i = 0; i < ie->nrxbufs; i++) {
- ie->rbuffs[i] = rbd;
- bzero((char *)rbd, sizeof *rbd); /* ignore cast-qual */
- ptr = (caddr_t)Align(ptr + sizeof *rbd);
- rbd->ie_rbd_length = IE_RBUF_SIZE;
- rbd->ie_rbd_buffer = MK_24(MEM, ptr);
- ie->cbuffs[i] = (void *)ptr;
- ptr += IE_RBUF_SIZE;
- rbd = (void *)ptr;
- }
-
- /* Now link them together */
- for(i = 0; i < ie->nrxbufs; i++) {
- ie->rbuffs[i]->ie_rbd_next = MK_16(MEM, ie->rbuffs[(i + 1) % ie->nrxbufs]);
- }
-
- /* Tag EOF on the last one */
- ie->rbuffs[ie->nrxbufs - 1]->ie_rbd_length |= IE_RBD_LAST;
-
- /* We use the head and tail pointers on receive to keep track of
- * the order in which RFDs and RBDs are used. */
- ie->rfhead = 0;
- ie->rftail = ie->nframes - 1;
- ie->rbhead = 0;
- ie->rbtail = ie->nrxbufs - 1;
-
- ie->scb->ie_recv_list = MK_16(MEM, ie->rframes[0]);
- ie->rframes[0]->ie_fd_buf_desc = MK_16(MEM, ie->rbuffs[0]);
-
- ptr = Align(ptr);
- return ptr;
+static caddr_t
+setup_rfa(caddr_t ptr, struct ie_softc * ie)
+{
+ volatile struct ie_recv_frame_desc *rfd = (void *) ptr;
+ volatile struct ie_recv_buf_desc *rbd;
+ int i;
+ int unit = ie - &ie_softc[0];
+
+ /* First lay them out */
+ for (i = 0; i < ie->nframes; i++) {
+ ie->rframes[i] = rfd;
+ bzero((char *) rfd, sizeof *rfd); /* ignore cast-qual */
+ rfd++;
+ }
+
+ ptr = (caddr_t) Align((caddr_t) rfd); /* ignore cast-qual */
+
+ /* Now link them together */
+ for (i = 0; i < ie->nframes; i++) {
+ ie->rframes[i]->ie_fd_next =
+ MK_16(MEM, ie->rframes[(i + 1) % ie->nframes]);
+ }
+
+ /* Finally, set the EOL bit on the last one. */
+ ie->rframes[ie->nframes - 1]->ie_fd_last |= IE_FD_LAST;
+
+ /*
+ * Now lay out some buffers for the incoming frames. Note that we
+ * set aside a bit of slop in each buffer, to make sure that we have
+ * enough space to hold a single frame in every buffer.
+ */
+ rbd = (void *) ptr;
+
+ for (i = 0; i < ie->nrxbufs; i++) {
+ ie->rbuffs[i] = rbd;
+ bzero((char *)rbd, sizeof *rbd);
+ ptr = (caddr_t) Align(ptr + sizeof *rbd);
+ rbd->ie_rbd_length = IE_RBUF_SIZE;
+ rbd->ie_rbd_buffer = MK_24(MEM, ptr);
+ ie->cbuffs[i] = (void *) ptr;
+ ptr += IE_RBUF_SIZE;
+ rbd = (void *) ptr;
+ }
+
+ /* Now link them together */
+ for (i = 0; i < ie->nrxbufs; i++) {
+ ie->rbuffs[i]->ie_rbd_next =
+ MK_16(MEM, ie->rbuffs[(i + 1) % ie->nrxbufs]);
+ }
+
+ /* Tag EOF on the last one */
+ ie->rbuffs[ie->nrxbufs - 1]->ie_rbd_length |= IE_RBD_LAST;
+
+ /*
+ * We use the head and tail pointers on receive to keep track of the
+ * order in which RFDs and RBDs are used.
+ */
+ ie->rfhead = 0;
+ ie->rftail = ie->nframes - 1;
+ ie->rbhead = 0;
+ ie->rbtail = ie->nrxbufs - 1;
+
+ ie->scb->ie_recv_list = MK_16(MEM, ie->rframes[0]);
+ ie->rframes[0]->ie_fd_buf_desc = MK_16(MEM, ie->rbuffs[0]);
+
+ ptr = Align(ptr);
+ return (ptr);
}
/*
* Run the multicast setup command.
* Call at splimp().
*/
-static int mc_setup(int unit, caddr_t ptr,
- volatile struct ie_sys_ctl_block *scb) {
- struct ie_softc *ie = &ie_softc[unit];
- volatile struct ie_mcast_cmd *cmd = (void *)ptr;
-
- cmd->com.ie_cmd_status = 0;
- cmd->com.ie_cmd_cmd = IE_CMD_MCAST | IE_CMD_LAST;
- cmd->com.ie_cmd_link = 0xffff;
-
- /* ignore cast-qual */
- bcopy((caddr_t)ie->mcast_addrs, (caddr_t)cmd->ie_mcast_addrs,
- ie->mcast_count * sizeof *ie->mcast_addrs);
-
- cmd->ie_mcast_bytes = ie->mcast_count * 6; /* grrr... */
-
- scb->ie_command_list = MK_16(MEM, cmd);
- if(command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
- || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
- printf("ie%d: multicast address setup command failed\n", unit);
- return 0;
- }
- return 1;
+static int
+mc_setup(int unit, caddr_t ptr,
+ volatile struct ie_sys_ctl_block * scb)
+{
+ struct ie_softc *ie = &ie_softc[unit];
+ volatile struct ie_mcast_cmd *cmd = (void *) ptr;
+
+ cmd->com.ie_cmd_status = 0;
+ cmd->com.ie_cmd_cmd = IE_CMD_MCAST | IE_CMD_LAST;
+ cmd->com.ie_cmd_link = 0xffff;
+
+ /* ignore cast-qual */
+ bcopy((caddr_t) ie->mcast_addrs, (caddr_t) cmd->ie_mcast_addrs,
+ ie->mcast_count * sizeof *ie->mcast_addrs);
+
+ cmd->ie_mcast_bytes = ie->mcast_count * 6; /* grrr... */
+
+ scb->ie_command_list = MK_16(MEM, cmd);
+ if (command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
+ || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
+ printf("ie%d: multicast address setup command failed\n", unit);
+ return (0);
+ }
+ return (1);
}
/*
@@ -2129,293 +2130,300 @@ static int mc_setup(int unit, caddr_t ptr,
* THIS ROUTINE MUST BE CALLED AT splimp() OR HIGHER.
*/
static void
-ieinit(unit)
- int unit;
+ieinit(int unit)
{
- struct ie_softc *ie = &ie_softc[unit];
- volatile struct ie_sys_ctl_block *scb = ie->scb;
- caddr_t ptr;
- int i;
-
- ptr = (caddr_t)Align((caddr_t)scb + sizeof *scb); /* ignore cast-qual */
-
- /*
- * Send the configure command first.
- */
- {
- volatile struct ie_config_cmd *cmd = (void *)ptr;
-
- ie_setup_config(cmd, ie->promisc, ie->hard_type == IE_STARLAN10);
- cmd->com.ie_cmd_status = 0;
- cmd->com.ie_cmd_cmd = IE_CMD_CONFIG | IE_CMD_LAST;
- cmd->com.ie_cmd_link = 0xffff;
-
- scb->ie_command_list = MK_16(MEM, cmd);
-
- if(command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
- || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
- printf("ie%d: configure command failed\n", unit);
- return;
- }
- }
- /*
- * Now send the Individual Address Setup command.
- */
- {
- volatile struct ie_iasetup_cmd *cmd = (void *)ptr;
-
- cmd->com.ie_cmd_status = 0;
- cmd->com.ie_cmd_cmd = IE_CMD_IASETUP | IE_CMD_LAST;
- cmd->com.ie_cmd_link = 0xffff;
-
- bcopy((char *)ie_softc[unit].arpcom.ac_enaddr, (char *)&cmd->ie_address,
- sizeof cmd->ie_address); /* ignore cast-qual */
-
- scb->ie_command_list = MK_16(MEM, cmd);
- if(command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
- || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
- printf("ie%d: individual address setup command failed\n", unit);
- return;
- }
- }
-
- /*
- * Now run the time-domain reflectometer.
- */
- run_tdr(unit, (void *)ptr);
-
- /*
- * Acknowledge any interrupts we have generated thus far.
- */
- ie_ack(ie->scb, IE_ST_WHENCE, unit, ie->ie_chan_attn);
-
- /*
- * Set up the RFA.
- */
- ptr = setup_rfa(ptr, ie);
-
- /*
- * Finally, the transmit command and buffer are the last little bit of work.
- */
-
- /* transmit command buffers */
- for (i = 0; i < ie->ntxbufs; i++) {
- ie->xmit_cmds[i] = (void *)ptr;
- ptr += sizeof *ie->xmit_cmds[i];
- ptr = Align(ptr);
- ie->xmit_buffs[i] = (void *)ptr;
- ptr += sizeof *ie->xmit_buffs[i];
- ptr = Align(ptr);
- }
-
- /* transmit buffers */
- for (i = 0; i < ie->ntxbufs - 1; i++) {
- ie->xmit_cbuffs[i] = (void *)ptr;
- ptr += IE_BUF_LEN;
- ptr = Align(ptr);
- }
- ie->xmit_cbuffs[ie->ntxbufs - 1] = (void *)ptr;
-
- for (i = 1; i < ie->ntxbufs; i++) { /* ignore */
- bzero((caddr_t)ie->xmit_cmds[i], sizeof *ie->xmit_cmds[i]); /* cast-qual */
- bzero((caddr_t)ie->xmit_buffs[i], sizeof *ie->xmit_buffs[i]);/* warnings */
- } /* here */
-
- /*
- * This must be coordinated with iestart() and ietint().
- */
- ie->xmit_cmds[0]->ie_xmit_status = IE_STAT_COMPL;
-
- /* take the ee16 out of loopback */
- if(ie->hard_type == IE_EE16) {
- u_int8_t bart_config;
-
- bart_config = inb(PORT + IEE16_CONFIG);
- bart_config &= ~IEE16_BART_LOOPBACK;
- /* inb doesn't get bit! */
- bart_config |= IEE16_BART_MCS16_TEST;
- outb(PORT + IEE16_CONFIG, bart_config);
- ee16_interrupt_enable(ie);
- ee16_chan_attn(unit);
- }
-
- ie->arpcom.ac_if.if_flags |= IFF_RUNNING; /* tell higher levels we're here */
- start_receiver(unit);
-
- return;
+ struct ie_softc *ie = &ie_softc[unit];
+ volatile struct ie_sys_ctl_block *scb = ie->scb;
+ caddr_t ptr;
+ int i;
+
+ ptr = (caddr_t) Align((caddr_t) scb + sizeof *scb);
+
+ /*
+ * Send the configure command first.
+ */
+ {
+ volatile struct ie_config_cmd *cmd = (void *) ptr;
+
+ ie_setup_config(cmd, ie->promisc,
+ ie->hard_type == IE_STARLAN10);
+ cmd->com.ie_cmd_status = 0;
+ cmd->com.ie_cmd_cmd = IE_CMD_CONFIG | IE_CMD_LAST;
+ cmd->com.ie_cmd_link = 0xffff;
+
+ scb->ie_command_list = MK_16(MEM, cmd);
+
+ if (command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
+ || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
+ printf("ie%d: configure command failed\n", unit);
+ return;
+ }
+ }
+ /*
+ * Now send the Individual Address Setup command.
+ */
+ {
+ volatile struct ie_iasetup_cmd *cmd = (void *) ptr;
+
+ cmd->com.ie_cmd_status = 0;
+ cmd->com.ie_cmd_cmd = IE_CMD_IASETUP | IE_CMD_LAST;
+ cmd->com.ie_cmd_link = 0xffff;
+
+ bcopy((char *)ie_softc[unit].arpcom.ac_enaddr,
+ (char *)&cmd->ie_address, sizeof cmd->ie_address);
+ scb->ie_command_list = MK_16(MEM, cmd);
+ if (command_and_wait(unit, IE_CU_START, cmd, IE_STAT_COMPL)
+ || !(cmd->com.ie_cmd_status & IE_STAT_OK)) {
+ printf("ie%d: individual address "
+ "setup command failed\n", unit);
+ return;
+ }
+ }
+
+ /*
+ * Now run the time-domain reflectometer.
+ */
+ run_tdr(unit, (void *) ptr);
+
+ /*
+ * Acknowledge any interrupts we have generated thus far.
+ */
+ ie_ack(ie->scb, IE_ST_WHENCE, unit, ie->ie_chan_attn);
+
+ /*
+ * Set up the RFA.
+ */
+ ptr = setup_rfa(ptr, ie);
+
+ /*
+ * Finally, the transmit command and buffer are the last little bit
+ * of work.
+ */
+
+ /* transmit command buffers */
+ for (i = 0; i < ie->ntxbufs; i++) {
+ ie->xmit_cmds[i] = (void *) ptr;
+ ptr += sizeof *ie->xmit_cmds[i];
+ ptr = Align(ptr);
+ ie->xmit_buffs[i] = (void *)ptr;
+ ptr += sizeof *ie->xmit_buffs[i];
+ ptr = Align(ptr);
+ }
+
+ /* transmit buffers */
+ for (i = 0; i < ie->ntxbufs - 1; i++) {
+ ie->xmit_cbuffs[i] = (void *)ptr;
+ ptr += IE_BUF_LEN;
+ ptr = Align(ptr);
+ }
+ ie->xmit_cbuffs[ie->ntxbufs - 1] = (void *) ptr;
+
+ for (i = 1; i < ie->ntxbufs; i++) {
+ bzero((caddr_t) ie->xmit_cmds[i], sizeof *ie->xmit_cmds[i]);
+ bzero((caddr_t) ie->xmit_buffs[i], sizeof *ie->xmit_buffs[i]);
+ }
+
+ /*
+ * This must be coordinated with iestart() and ietint().
+ */
+ ie->xmit_cmds[0]->ie_xmit_status = IE_STAT_COMPL;
+
+ /* take the ee16 out of loopback */
+ if (ie->hard_type == IE_EE16) {
+ u_int8_t bart_config;
+
+ bart_config = inb(PORT + IEE16_CONFIG);
+ bart_config &= ~IEE16_BART_LOOPBACK;
+ /* inb doesn't get bit! */
+ bart_config |= IEE16_BART_MCS16_TEST;
+ outb(PORT + IEE16_CONFIG, bart_config);
+ ee16_interrupt_enable(ie);
+ ee16_chan_attn(unit);
+ }
+ ie->arpcom.ac_if.if_flags |= IFF_RUNNING; /* tell higher levels
+ * we're here */
+ start_receiver(unit);
+
+ return;
}
-static void ie_stop(unit)
- int unit;
+static void
+ie_stop(int unit)
{
- command_and_wait(unit, IE_RU_DISABLE, 0, 0);
+ command_and_wait(unit, IE_RU_DISABLE, 0, 0);
}
static int
-ieioctl(ifp, command, data)
- struct ifnet *ifp;
- int command;
- caddr_t data;
+ieioctl(struct ifnet *ifp, int command, caddr_t data)
{
- struct ifaddr *ifa = (struct ifaddr *)data;
- struct ie_softc *ie = ifp->if_softc;
- struct ifreq *ifr = (struct ifreq *) data;
- int s, error = 0;
+ struct ifaddr *ifa = (struct ifaddr *) data;
+ struct ie_softc *ie = ifp->if_softc;
+ struct ifreq *ifr = (struct ifreq *) data;
+ int s, error = 0;
- s = splimp();
+ s = splimp();
- switch(command) {
- case SIOCSIFADDR:
- ifp->if_flags |= IFF_UP;
+ switch (command) {
+ case SIOCSIFADDR:
+ ifp->if_flags |= IFF_UP;
- switch(ifa->ifa_addr->sa_family) {
+ switch (ifa->ifa_addr->sa_family) {
#ifdef INET
- case AF_INET:
- ieinit(ifp->if_unit);
- arp_ifinit((struct arpcom *)ifp, ifa);
- break;
-#endif /* INET */
+ case AF_INET:
+ ieinit(ifp->if_unit);
+ arp_ifinit((struct arpcom *) ifp, ifa);
+ break;
+#endif /* INET */
#ifdef IPX
- /* This magic copied from if_is.c; I don't use XNS, so I have no
- * way of telling if this actually works or not.
- */
- case AF_IPX:
- {
- struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
-
- if(ipx_nullhost(*ina)) {
- ina->x_host = *(union ipx_host *)(ie->arpcom.ac_enaddr);
- } else {
- ifp->if_flags &= ~IFF_RUNNING;
- bcopy((caddr_t)ina->x_host.c_host,
- (caddr_t)ie->arpcom.ac_enaddr,
- sizeof ie->arpcom.ac_enaddr);
- }
-
- ieinit(ifp->if_unit);
- }
- break;
-#endif /* IPX */
+ /*
+ * This magic copied from if_is.c; I don't use XNS,
+ * so I have no way of telling if this actually
+ * works or not.
+ */
+ case AF_IPX:
+ {
+ struct ipx_addr *ina =
+ &(IA_SIPX(ifa)->sipx_addr);
+
+ if (ipx_nullhost(*ina)) {
+ ina->x_host = *(union ipx_host *) (ie->arpcom.ac_enaddr);
+ } else {
+ ifp->if_flags &= ~IFF_RUNNING;
+ bcopy((caddr_t) ina->x_host.c_host,
+ (caddr_t) ie->arpcom.ac_enaddr,
+ sizeof ie->arpcom.ac_enaddr);
+ }
+
+ ieinit(ifp->if_unit);
+ }
+ break;
+#endif /* IPX */
#ifdef NS
- /* This magic copied from if_is.c; I don't use XNS, so I have no
- * way of telling if this actually works or not.
- */
- case AF_NS:
- {
- struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
-
- if(ns_nullhost(*ina)) {
- ina->x_host = *(union ns_host *)(ie->arpcom.ac_enaddr);
- } else {
- ifp->if_flags &= ~IFF_RUNNING;
- bcopy((caddr_t)ina->x_host.c_host,
- (caddr_t)ie->arpcom.ac_enaddr,
- sizeof ie->arpcom.ac_enaddr);
+ /*
+ * This magic copied from if_is.c; I don't use XNS,
+ * so I have no way of telling if this actually
+ * works or not.
+ */
+ case AF_NS:
+ {
+ struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
+
+ if (ns_nullhost(*ina)) {
+ ina->x_host = *(union ns_host *)(ie->arpcom.ac_enaddr);
+ } else {
+ ifp->if_flags &= ~IFF_RUNNING;
+ bcopy((caddr_t) ina->x_host.c_host,
+ (caddr_t) ie->arpcom.ac_enaddr,
+ sizeof ie->arpcom.ac_enaddr);
+ }
+
+ ieinit(ifp->if_unit);
+ }
+ break;
+#endif /* NS */
+
+ default:
+ ieinit(ifp->if_unit);
+ break;
+ }
+ break;
+
+ case SIOCSIFFLAGS:
+ /*
+ * Note that this device doesn't have an "all multicast"
+ * mode, so we must turn on promiscuous mode and do the
+ * filtering manually.
+ */
+ if ((ifp->if_flags & IFF_UP) == 0 &&
+ (ifp->if_flags & IFF_RUNNING)) {
+ ifp->if_flags &= ~IFF_RUNNING;
+ ie_stop(ifp->if_unit);
+ } else if ((ifp->if_flags & IFF_UP) &&
+ (ifp->if_flags & IFF_RUNNING) == 0) {
+ ie_softc[ifp->if_unit].promisc =
+ ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI);
+ ieinit(ifp->if_unit);
+ } else if (ie_softc[ifp->if_unit].promisc ^
+ (ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI))) {
+ ie_softc[ifp->if_unit].promisc =
+ ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI);
+ ieinit(ifp->if_unit);
+ }
+ break;
+
+ case SIOCADDMULTI:
+ case SIOCDELMULTI:
+ /*
+ * Update multicast listeners
+ */
+ /* reset multicast filtering */
+ ie_mc_reset(ifp->if_unit);
+ error = 0;
+ break;
+
+ case SIOCSIFMTU:
+ /*
+ * Set the interface MTU.
+ */
+ if (ifr->ifr_mtu > ETHERMTU) {
+ error = EINVAL;
+ } else {
+ ifp->if_mtu = ifr->ifr_mtu;
+ }
+ break;
+
+ default:
+ error = EINVAL;
}
- ieinit(ifp->if_unit);
- }
- break;
-#endif /* NS */
-
- default:
- ieinit(ifp->if_unit);
- break;
- }
- break;
-
- case SIOCSIFFLAGS:
- /*
- * Note that this device doesn't have an "all multicast" mode, so we
- * must turn on promiscuous mode and do the filtering manually.
- */
- if((ifp->if_flags & IFF_UP) == 0 &&
- (ifp->if_flags & IFF_RUNNING)) {
- ifp->if_flags &= ~IFF_RUNNING;
- ie_stop(ifp->if_unit);
- } else if((ifp->if_flags & IFF_UP) &&
- (ifp->if_flags & IFF_RUNNING) == 0) {
- ie_softc[ifp->if_unit].promisc =
- ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI);
- ieinit(ifp->if_unit);
- } else if(ie_softc[ifp->if_unit].promisc ^
- (ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI))) {
- ie_softc[ifp->if_unit].promisc =
- ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI);
- ieinit(ifp->if_unit);
- }
- break;
-
- case SIOCADDMULTI:
- case SIOCDELMULTI:
- /*
- * Update multicast listeners
- */
- /* reset multicast filtering */
- ie_mc_reset(ifp->if_unit);
- error = 0;
- break;
-
- case SIOCSIFMTU:
- /*
- * Set the interface MTU.
- */
- if (ifr->ifr_mtu > ETHERMTU) {
- error = EINVAL;
- } else {
- ifp->if_mtu = ifr->ifr_mtu;
- }
- break;
-
- default:
- error = EINVAL;
- }
-
- splx(s);
- return error;
+ splx(s);
+ return (error);
}
-static void ie_mc_reset(int unit) {
- struct ie_softc *ie = &ie_softc[unit];
- struct ifmultiaddr *ifma;
-
- /*
- * Step through the list of addresses.
- */
- ie->mcast_count = 0;
- for (ifma = ie->arpcom.ac_if.if_multiaddrs.lh_first; ifma;
- ifma = ifma->ifma_link.le_next) {
- if (ifma->ifma_addr->sa_family != AF_LINK)
- continue;
-
- /* XXX - this is broken... */
- if(ie->mcast_count >= MAXMCAST) {
- ie->arpcom.ac_if.if_flags |= IFF_ALLMULTI;
- ieioctl(&ie->arpcom.ac_if, SIOCSIFFLAGS, (void *)0);
- goto setflag;
- }
-
- bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
- &(ie->mcast_addrs[ie->mcast_count]), 6);
- ie->mcast_count++;
- }
+static void
+ie_mc_reset(int unit)
+{
+ struct ie_softc *ie = &ie_softc[unit];
+ struct ifmultiaddr *ifma;
+
+ /*
+ * Step through the list of addresses.
+ */
+ ie->mcast_count = 0;
+ for (ifma = ie->arpcom.ac_if.if_multiaddrs.lh_first; ifma;
+ ifma = ifma->ifma_link.le_next) {
+ if (ifma->ifma_addr->sa_family != AF_LINK)
+ continue;
+
+ /* XXX - this is broken... */
+ if (ie->mcast_count >= MAXMCAST) {
+ ie->arpcom.ac_if.if_flags |= IFF_ALLMULTI;
+ ieioctl(&ie->arpcom.ac_if, SIOCSIFFLAGS, (void *) 0);
+ goto setflag;
+ }
+ bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr),
+ &(ie->mcast_addrs[ie->mcast_count]), 6);
+ ie->mcast_count++;
+ }
setflag:
- ie->want_mcsetup = 1;
+ ie->want_mcsetup = 1;
}
#ifdef DEBUG
-void print_rbd(volatile struct ie_recv_buf_desc *rbd) {
- printf("RBD at %08lx:\n"
- "actual %04x, next %04x, buffer %08x\n"
- "length %04x, mbz %04x\n",
- (unsigned long)rbd,
- rbd->ie_rbd_actual, rbd->ie_rbd_next, rbd->ie_rbd_buffer,
- rbd->ie_rbd_length, rbd->mbz);
+void
+print_rbd(volatile struct ie_recv_buf_desc * rbd)
+{
+ printf("RBD at %08lx:\n"
+ "actual %04x, next %04x, buffer %08x\n"
+ "length %04x, mbz %04x\n",
+ (unsigned long) rbd,
+ rbd->ie_rbd_actual, rbd->ie_rbd_next, rbd->ie_rbd_buffer,
+ rbd->ie_rbd_length, rbd->mbz);
}
-#endif /* DEBUG */
-#endif /* NIE > 0 */
+#endif /* DEBUG */
+#endif /* NIE > 0 */
OpenPOWER on IntegriCloud