Driver for DEC "Tulip" based WAN cards from LanMedia Corporation.

This driver should support both the SSI (V.35 etc) E1/T1 unchannelized,
DS3 and HSSI cards.  Only tested on the SSI card.

More info at: http://www.lanmedia.com

Thanks to LanMedia for donating two LMC1000P cards.

if_de.c driver modified by:     LanMedia
NetGraphification by:   	Stephen Kiernan <sk-ports@vegamuse.org>

1 files changed, 47 insertions, 133 deletions

diff --git a/sys/dev/lmc/if_lmcvar.h b/sys/dev/lmc/if_lmcvar.h
index 48bee6b..58b02b0 100644
--- a/sys/dev/lmc/if_lmcvar.h
+++ b/sys/dev/lmc/if_lmcvar.h
@@ -1,10 +1,7 @@
-/*	$FreeBSD$ */
-/*	From NetBSD: if_devar.h,v 1.21 1997/10/16 22:02:32 matt Exp 	*/
-/*	$Id: if_lmcvar.h,v 1.6 1999/01/12 14:16:58 explorer Exp $ */
-
 /*-
  * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
  * Copyright (c) LAN Media Corporation 1998, 1999.
+ * Copyright (c) 2000 Stephen Kiernan (sk-ports@vegamuse.org)
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -25,10 +22,14 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ *	From NetBSD: if_devar.h,v 1.21 1997/10/16 22:02:32 matt Exp
+ *	$Id: if_lmcvar.h,v 1.6 1999/01/12 14:16:58 explorer Exp $
  */
 
-#if !defined(_DEVAR_H)
-#define _DEVAR_H
+#if !defined(_DEV_LMC_IF_LMCVAR_H)
+#define _DEV_LMC_IF_LMCVAR_H
 
 #define LMC_MTU 1500
 #define PPP_HEADER_LEN 4
@@ -50,33 +51,12 @@
 #define PCI_PRODUCT_LMC_T1	0x0006 
 #endif
 
-#if defined(__NetBSD__)
-
-#include "rnd.h"
-#if NRND > 0
-#include <sys/rnd.h>
-#endif
-
-typedef bus_addr_t lmc_csrptr_t;
-
-#define LMC_CSR_READ(sc, csr) \
-    bus_space_read_4((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr)
-#define LMC_CSR_WRITE(sc, csr, val) \
-    bus_space_write_4((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr, (val))
-
-#define LMC_CSR_READBYTE(sc, csr) \
-    bus_space_read_1((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr)
-#define LMC_CSR_WRITEBYTE(sc, csr, val) \
-    bus_space_write_1((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr, (val))
-#endif /* __NetBSD__ */
-
 #ifdef LMC_IOMAPPED
 #define	LMC_EISA_CSRSIZE	16
 #define	LMC_EISA_CSROFFSET	0
 #define	LMC_PCI_CSRSIZE	8
 #define	LMC_PCI_CSROFFSET	0
 
-#if !defined(__NetBSD__)
 typedef u_int16_t lmc_csrptr_t;
 
 #define	LMC_CSR_READ(sc, csr)			(inl((sc)->lmc_csrs.csr))
@@ -84,14 +64,12 @@ typedef u_int16_t lmc_csrptr_t;
 
 #define	LMC_CSR_READBYTE(sc, csr)		(inb((sc)->lmc_csrs.csr))
 #define	LMC_CSR_WRITEBYTE(sc, csr, val)	outb((sc)->lmc_csrs.csr, val)
-#endif /* __NetBSD__ */
 
 #else /* LMC_IOMAPPED */
 
 #define	LMC_PCI_CSRSIZE	8
 #define	LMC_PCI_CSROFFSET	0
 
-#if !defined(__NetBSD__)
 typedef volatile u_int32_t *lmc_csrptr_t;
 
 /*
@@ -101,7 +79,6 @@ typedef volatile u_int32_t *lmc_csrptr_t;
  */
 #define	LMC_CSR_READ(sc, csr)		(0 + *(sc)->lmc_csrs.csr)
 #define	LMC_CSR_WRITE(sc, csr, val)	((void)(*(sc)->lmc_csrs.csr = (val)))
-#endif /* __NetBSD__ */
 
 #endif /* LMC_IOMAPPED */
 
@@ -257,29 +234,9 @@ typedef struct {
  *
  */
 struct lmc___softc {
-#if defined(__bsdi__)
-    struct device lmc_dev;		/* base device */
-    struct isadev lmc_id;		/* ISA device */
-    struct intrhand lmc_ih;		/* intrrupt vectoring */
-    struct atshutdown lmc_ats;		/* shutdown hook */
-    struct	p2pcom lmc_p2pcom;	/* point-to-point common stuff */
-    
-#define lmc_if	lmc_p2pcom.p2p_if	/* network-visible interface */
-#endif /* __bsdi__ */
-
-#if defined(__NetBSD__)
-    struct device lmc_dev;		/* base device */
-    void *lmc_ih;			/* intrrupt vectoring */
-    void *lmc_ats;			/* shutdown hook */
-    bus_space_tag_t lmc_bustag;
-    bus_space_handle_t lmc_bushandle;	/* CSR region handle */
-    pci_chipset_tag_t lmc_pc;
-#endif
 
-#if defined(__NetBSD__) || defined(__FreeBSD__)
-    struct sppp lmc_sppp;
-#define lmc_if lmc_sppp.pp_if
-#endif
+    const char *lmc_name;
+    int		lmc_unit;
 
     u_int8_t lmc_enaddr[6];		/* yes, a small hack... */
     lmc_regfile_t lmc_csrs;
@@ -312,29 +269,54 @@ struct lmc___softc {
     lmc_ctl_t ictl;
     LMC_XINFO lmc_xinfo;
 
-#if defined(__NetBSD__)
-    struct device *lmc_pci_busno;	/* needed for multiport boards */
-#else
     u_int8_t lmc_pci_busno;		/* needed for multiport boards */
-#endif
     u_int8_t lmc_pci_devno;		/* needed for multiport boards */
-#if defined(__FreeBSD__)
     tulip_desc_t *lmc_rxdescs;
     tulip_desc_t *lmc_txdescs;
-#else
-    tulip_desc_t lmc_rxdescs[LMC_RXDESCS];
-    tulip_desc_t lmc_txdescs[LMC_TXDESCS];
-#endif
-#if defined(__NetBSD__) && NRND > 0
-    rndsource_element_t    lmc_rndsource;
-#endif
 
     u_int32_t	lmc_crcSize;
     char	lmc_timing;		/* for HSSI and SSI */
     u_int16_t	t1_alarm1_status;
     u_int16_t	t1_alarm2_status;
  
+    int		lmc_running;
+    char	lmc_nodename[NG_NODELEN + 1];
+    int		lmc_datahooks;
+    node_p	lmc_node;
+    hook_p	lmc_hook;
+    hook_p	lmc_debug_hook;
+    struct ifqueue lmc_xmitq_hipri;
+    struct ifqueue lmc_xmitq;
+    struct callout_handle lmc_handle;
+    char        lmc_xmit_busy;
+    int         lmc_out_dog;
+    u_long	lmc_inbytes, lmc_outbytes;         /* stats */
+    u_long	lmc_lastinbytes, lmc_lastoutbytes; /* a second ago */
+    u_long	lmc_inrate, lmc_outrate;	   /* highest rate seen */
+    u_long	lmc_inlast;			   /* last input N secs ago */
+    u_long	lmc_out_deficit;		   /* output since last input */
+    u_long	lmc_oerrors, lmc_ierrors;
+    u_long	lmc_opackets, lmc_ipackets;
+};
+
+
+#define LMC_DOG_HOLDOFF     6       /* dog holds off for 6 secs */
+#define LMC_QUITE_A_WHILE   300     /* 5 MINUTES */
+#define LMC_LOTS_OF_PACKETS 100
+
+/* Node type name and type cookie */
+#define NG_LMC_NODE_TYPE	"lmc"
+#define NG_LMC_COOKIE		956095698
 
+/* Netgraph hooks */
+#define NG_LMC_HOOK_DEBUG	"debug"
+#define NG_LMC_HOOK_CONTROL	"control"
+#define NG_LMC_HOOK_RAW		"rawdata"
+
+/* Netgraph commands understood by this node type */
+enum {
+	NGM_LMC_SET_CTL = 1,
+	NGM_LMC_GET_CTL,
 };
 
 /*
@@ -432,70 +414,19 @@ static const char * const lmc_status_bits[] = {
  */
 #define	LMC_MAX_DEVICES	32
 
-#if defined(__FreeBSD__)
 typedef void ifnet_ret_t;
 typedef int ioctl_cmd_t;
 static lmc_softc_t *tulips[LMC_MAX_DEVICES];
-#if BSD >= 199506
 #define LMC_IFP_TO_SOFTC(ifp) ((lmc_softc_t *)((ifp)->if_softc))
-#if NBPFILTER > 0
-#define	LMC_BPF_MTAP(sc, m)	bpf_mtap(&(sc)->lmc_sppp.pp_if, m)
-#define	LMC_BPF_TAP(sc, p, l)	bpf_tap(&(sc)->lmc_sppp.pp_if, p, l)
-#define	LMC_BPF_ATTACH(sc)	bpfattach(&(sc)->lmc_sppp.pp_if, DLT_PPP, PPP_HEADER_LEN)
-#endif
 #define	lmc_intrfunc_t	void
 #define	LMC_VOID_INTRFUNC
 #define	IFF_NOTRAILERS		0
 #define	CLBYTES			PAGE_SIZE
 #define	LMC_EADDR_FMT		"%6D"
 #define	LMC_EADDR_ARGS(addr)	addr, ":"
-#else
-extern int bootverbose;
-#define LMC_IFP_TO_SOFTC(ifp)         (LMC_UNIT_TO_SOFTC((ifp)->if_unit))
-#include <sys/devconf.h>
-#define	LMC_DEVCONF
-#endif
 #define	LMC_UNIT_TO_SOFTC(unit)	(tulips[unit])
 #define	LMC_BURSTSIZE(unit)		pci_max_burst_len
 #define	loudprintf			if (bootverbose) printf
-#endif
-
-#if defined(__bsdi__)
-typedef int ifnet_ret_t;
-typedef u_long ioctl_cmd_t;
-extern struct cfdriver lmccd;
-#define	LMC_UNIT_TO_SOFTC(unit)	((lmc_softc_t *)lmccd.cd_devs[unit])
-#define LMC_IFP_TO_SOFTC(ifp)		(LMC_UNIT_TO_SOFTC((ifp)->if_unit))
-#define	loudprintf			aprint_verbose
-#define	MCNT(x) (sizeof(x) / sizeof(struct ifmedia_entry))
-#define	lmc_unit	lmc_dev.dv_unit
-#define	lmc_name	lmc_p2pcom.p2p_if.if_name
-#define LMC_BPF_MTAP(sc, m)
-#define LMC_BPF_TAP(sc, p, l)
-#define	LMC_BPF_ATTACH(sc)
-#endif	/* __bsdi__ */
-
-#if defined(__NetBSD__)
-typedef void ifnet_ret_t;
-typedef u_long ioctl_cmd_t;
-extern struct cfattach de_ca;
-extern struct cfdriver de_cd;
-#define	LMC_UNIT_TO_SOFTC(unit)	((lmc_softc_t *) de_cd.cd_devs[unit])
-#define LMC_IFP_TO_SOFTC(ifp)         ((lmc_softc_t *)((ifp)->if_softc))
-#define	lmc_unit			lmc_dev.dv_unit
-#define	lmc_xname			lmc_if.if_xname
-#define	LMC_RAISESPL()		splnet()
-#define	LMC_RAISESOFTSPL()		splsoftnet()
-#define	LMC_RESTORESPL(s)		splx(s)
-#define	lmc_enaddr			lmc_enaddr
-#define	loudprintf			printf
-#define	LMC_PRINTF_FMT		"%s"
-#define	LMC_PRINTF_ARGS		sc->lmc_xname
-#if defined(__alpha__)
-/* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */
-#define LMC_KVATOPHYS(sc, va)		alpha_XXX_dmamap((vm_offset_t)(va))
-#endif
-#endif	/* __NetBSD__ */
 
 #ifndef LMC_PRINTF_FMT
 #define	LMC_PRINTF_FMT		"%s%d"
@@ -508,23 +439,6 @@ extern struct cfdriver de_cd;
 #define	LMC_BURSTSIZE(unit)		3
 #endif
 
-#ifndef lmc_unit
-#define	lmc_unit	lmc_sppp.pp_if.if_unit
-#endif
-
-#ifndef lmc_name
-#define	lmc_name	lmc_sppp.pp_if.if_name
-#endif
-
-#if !defined(lmc_bpf)
-#if defined(__NetBSD__) || defined(__FreeBSD__)
-#define	lmc_bpf	lmc_sppp.pp_if.if_bpf
-#endif
-#if defined(__bsdi__)
-#define lmc_bpf	lmc_if.if_bpf
-#endif
-#endif
-
 #if !defined(lmc_intrfunc_t)
 #define	lmc_intrfunc_t	int
 #endif
@@ -575,4 +489,4 @@ extern struct cfdriver de_cd;
 
 typedef int lmc_spl_t;
 
-#endif /* !defined(_DEVAR_H) */
+#endif /* !defined(_DEV_LMC_IF_LMCVAR_H) */