Run through unifdef(1) with slight hand-editing after. It is obvious,

that the driver is not going to be ever improved in terms of hardware
support, it is going to be only maintained as our kernel APIs change.
Carrying all the compatibility with ancient versions of NetBSD, OpenBSD,
Linux and BSDI, as well as obsoleted FreeBSD versions has no reason.

1 files changed, 8 insertions, 280 deletions

diff --git a/sys/dev/lmc/if_lmc.h b/sys/dev/lmc/if_lmc.h
index e89c739..fe4e7d0 100644
--- a/sys/dev/lmc/if_lmc.h
+++ b/sys/dev/lmc/if_lmc.h
@@ -620,13 +620,6 @@
 # define LMCIOCREAD		_IOWR('i', 243, struct ioctl)
 # define LMCIOCWRITE		 _IOW('i', 244, struct ioctl)
 # define LMCIOCTL		_IOWR('i', 245, struct ioctl)
-#elif defined(__linux__)  /* sigh */
-# define LMCIOCGSTAT		SIOCDEVPRIVATE+0
-# define LMCIOCGCFG		SIOCDEVPRIVATE+1
-# define LMCIOCSCFG		SIOCDEVPRIVATE+2
-# define LMCIOCREAD		SIOCDEVPRIVATE+3
-# define LMCIOCWRITE		SIOCDEVPRIVATE+4
-# define LMCIOCTL		SIOCDEVPRIVATE+5
 #endif
 
 struct iohdr				/* all LMCIOCs begin with this     */
@@ -984,12 +977,8 @@ struct dma_desc
 #endif
   u_int32_t address1;		/* buffer1 bus address */
   u_int32_t address2;		/* buffer2 bus address */
-#if (defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__))
   bus_dmamap_t map;		/* bus dmamap for this descriptor */
 # define TLP_BUS_DSL_VAL	(sizeof(bus_dmamap_t) & TLP_BUS_DSL)
-#else
-# define TLP_BUS_DSL_VAL	0
-#endif
   } __attribute__ ((packed));
 
 /* Tulip DMA descriptor status bits */
@@ -1029,18 +1018,13 @@ struct desc_ring
   u_int32_t dma_addr;		/* bus address for desc array */
   int size_descs;		/* bus_dmamap_sync needs this */
   int num_descs;		/* used to set rx quota */
-#ifdef __linux__
-  struct sk_buff *head;		/* tail-queue of skbuffs */
-  struct sk_buff *tail;
-#elif BSD
+#if   BSD
   struct mbuf *head;		/* tail-queue of mbufs */
   struct mbuf *tail;
-# if (defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__))
   bus_dma_tag_t tag;		/* bus_dma tag for desc array */
   bus_dmamap_t map;		/* bus_dma map for desc array */
   bus_dma_segment_t segs[2];	/* bus_dmamap_load() or bus_dmamem_alloc() */
   int nsegs;			/* bus_dmamap_load() or bus_dmamem_alloc() */
-# endif
 #endif
   };
 
@@ -1085,33 +1069,7 @@ struct card
 /* FreeBSD wants struct ifnet first in the softc. */
 struct softc
   {
-#if (defined(__NetBSD__) || defined(__OpenBSD__))
-  struct device	dev;		/* base device -- must be first in softc   */
-  pcitag_t	pa_tag;		/* pci_conf_read/write need this           */
-  pci_chipset_tag_t pa_pc;	/* pci_conf_read/write need this           */
-  bus_dma_tag_t	pa_dmat;	/* bus_dma needs this                      */
-  bus_space_tag_t csr_tag;	/* bus_space needs this                    */
-  bus_space_handle_t csr_handle;/* bus_space needs this                    */
-  pci_intr_handle_t intr_handle;/* interrupt handle                        */
-  void		*irq_cookie;	/* pci_intr_disestablish needs this        */
-  void		*sdh_cookie;	/* shutdownhook_disestablish needs this    */
-  struct simplelock top_lock;	/* lock card->watchdog vs core_ioctl       */
-  struct simplelock bottom_lock;/* lock for buf queues & descriptor rings  */
-  struct mbuf	*tx_mbuf;	/* hang mbuf here while building dma descs */
-#endif  /* __NetBSD__ || __OpenBSD__ */
-
-#ifdef __bsdi__
-  struct device	dev;		/* base device -- must be first in softc   */
-  struct isadev	id;		/* bus resource                            */
-  struct intrhand ih;		/* interrupt vectoring                     */
-  struct atshutdown ats;	/* shutdown hook                           */
-  pci_devaddr_t	cfgbase;	/* base address of PCI config regs         */
-  u_int16_t	 csr_iobase;	/*     io base address of Tulip CSRs       */
-  u_int32_t	*csr_membase;	/* kv mem base address of Tulip CSRs       */
-  struct simplelock top_lock;	/* lock card->watchdog vs core_ioctl       */
-  struct simplelock bottom_lock;/* lock for buf queues & descriptor rings  */
-  struct mbuf	*tx_mbuf;	/* hang mbuf here while building dma descs */
-#endif /* __bsdi__ */
+
 
   /* State for kernel-resident Line Protocols */
 #if IFNET
@@ -1130,14 +1088,6 @@ struct softc
 # endif
 #endif
 
-#ifdef __linux__
-# if GEN_HDLC
-  hdlc_device	*hdlc_dev;	/* state for HDLC code                     */
-  sync_serial_settings hdlc_settings; /* state set by sethdlc program      */
-# else
-  struct net_device_stats net_stats; /* linux_stats storage                */
-# endif
-#endif
 
 #if NETGRAPH
   node_p	ng_node;	/* pointer to our node struct              */
@@ -1151,7 +1101,6 @@ struct softc
 # endif
 #endif
 
-#ifdef __FreeBSD__
   struct callout callout;	/* watchdog needs this                  */
   struct device	*dev;		/* base device pointer                     */
   bus_space_tag_t csr_tag;	/* bus_space needs this                    */
@@ -1173,19 +1122,7 @@ struct softc
   int		top_spl;	/* lock card->watchdog vs core_ioctl       */
   int		bottom_spl;	/* lock for buf queues & descriptor rings  */
 # endif
-#endif /* __FreeBSD__ */
-
-#ifdef __linux__
-  struct pci_dev    *pci_dev;	/* READ/WRITE_PCI_CFG macros need this     */
-  struct net_device *net_dev;	/* NAME_UNIT macro needs this              */
-  struct timer_list wd_timer;	/* timer calls watchdog() once a second    */
-  u_int32_t	 csr_iobase;	/*     io base address of Tulip CSRs       */
-  void		*csr_membase;	/* kv mem base address of Tulip CSRs       */
-  struct sk_buff *tx_skb;	/* hang skb here while building dma descs  */
-  int		quota;		/* used for incoming packet flow control   */
-  struct semaphore top_lock;	/* lock card->watchdog vs core_ioctl       */
-  spinlock_t	bottom_lock;	/* lock for buf queues & descriptor rings  */
-#endif  /* __linux__ */
+
 
   /* Top-half state used by all card types; lock with top_lock,            */
   const char	*dev_desc;	/* string describing type of board         */
@@ -1210,7 +1147,6 @@ struct softc
 
 /* Hide the minor differences between OS versions */
 
-#ifdef __FreeBSD__
   typedef void intr_return_t;
 # define  READ_PCI_CFG(sc, addr)       pci_read_config ((sc)->dev, addr, 4)
 # define WRITE_PCI_CFG(sc, addr, data) pci_write_config((sc)->dev, addr, data, 4)
@@ -1264,162 +1200,10 @@ struct softc
 # if (__FreeBSD_version >= 600000)
 #  define IFF_RUNNING		IFF_DRV_RUNNING
 # endif
-#endif  /* __FreeBSD__ */
 
-#ifdef __NetBSD__
-  typedef int intr_return_t;
-# define  READ_PCI_CFG(sc, addr)       pci_conf_read ((sc)->pa_pc, (sc)->pa_tag, addr)
-# define WRITE_PCI_CFG(sc, addr, data) pci_conf_write((sc)->pa_pc, (sc)->pa_tag, addr, data)
-# define  READ_CSR(csr)		bus_space_read_4 (sc->csr_tag, sc->csr_handle, csr)
-# define WRITE_CSR(csr, val)	bus_space_write_4(sc->csr_tag, sc->csr_handle, csr, val)
-# define NAME_UNIT		sc->dev.dv_xname
-# define DRIVER_DEBUG		((sc->config.debug) || (sc->ifp->if_flags & IFF_DEBUG))
-# define TOP_TRYLOCK		simple_lock_try(&sc->top_lock)
-# define TOP_UNLOCK		simple_unlock  (&sc->top_lock)
-# define BOTTOM_TRYLOCK		simple_lock_try(&sc->bottom_lock)
-# define BOTTOM_UNLOCK		simple_unlock  (&sc->bottom_lock)
-# define CHECK_CAP		suser(curproc->p_ucred, &curproc->p_acflag)
-# define DISABLE_INTR		int spl = splnet()
-# define ENABLE_INTR		splx(spl)
-# define IRQ_NONE		0
-# define IRQ_HANDLED		1
-# define IFP2SC(ifp)		(ifp)->if_softc
-# define COPY_BREAK		MHLEN
-# define SLEEP(usecs)		tsleep(sc, PCATCH | PZERO, DEVICE_NAME, 1+(usecs/tick))
-# define DMA_SYNC(map, size, flags) bus_dmamap_sync(ring->tag, map, 0, size, flags)
-# define DMA_LOAD(map, addr, size)  bus_dmamap_load(ring->tag, map, addr, size, 0, BUS_DMA_NOWAIT)
-# if (NBPFILTER != 0)
-#  define LMC_BPF_MTAP(mbuf)	if (sc->ifp->if_bpf) bpf_mtap(sc->ifp->if_bpf, mbuf)
-#  define LMC_BPF_ATTACH(dlt, len) bpfattach(sc->ifp, dlt, len)
-#  define LMC_BPF_DETACH	   bpfdetach(sc->ifp)
-# endif
-#endif /* __NetBSD__ */
 
-#ifdef __OpenBSD__
-  typedef int intr_return_t;
-# define  READ_PCI_CFG(sc, addr)       pci_conf_read ((sc)->pa_pc, (sc)->pa_tag, addr)
-# define WRITE_PCI_CFG(sc, addr, data) pci_conf_write((sc)->pa_pc, (sc)->pa_tag, addr, data)
-# define  READ_CSR(csr)		bus_space_read_4 (sc->csr_tag, sc->csr_handle, csr)
-# define WRITE_CSR(csr, val)	bus_space_write_4(sc->csr_tag, sc->csr_handle, csr, val)
-# define NAME_UNIT		sc->dev.dv_xname
-# define DRIVER_DEBUG		((sc->config.debug) || (sc->ifp->if_flags & IFF_DEBUG))
-# define TOP_TRYLOCK		simple_lock_try(&sc->top_lock)
-# define TOP_UNLOCK		simple_unlock  (&sc->top_lock)
-# define BOTTOM_TRYLOCK		simple_lock_try(&sc->bottom_lock)
-# define BOTTOM_UNLOCK		simple_unlock  (&sc->bottom_lock)
-# define CHECK_CAP		suser(curproc, 0)
-# define DISABLE_INTR		int spl = splnet()
-# define ENABLE_INTR		splx(spl)
-# define IRQ_NONE		0
-# define IRQ_HANDLED		1
-# define IFP2SC(ifp)		(ifp)->if_softc
-# define COPY_BREAK		MHLEN
-# define SLEEP(usecs)		tsleep(sc, PCATCH | PZERO, DEVICE_NAME, 1+(usecs/tick))
-# define DMA_SYNC(map, size, flags) bus_dmamap_sync(ring->tag, map, 0, size, flags)
-# define DMA_LOAD(map, addr, size)  bus_dmamap_load(ring->tag, map, addr, size, 0, BUS_DMA_NOWAIT)
-# if (NBPFILTER != 0)
-#  define LMC_BPF_MTAP(mbuf)	if (sc->ifp->if_bpf) bpf_mtap(sc->ifp->if_bpf, mbuf)
-#  define LMC_BPF_ATTACH(dlt, len) bpfattach(&sc->ifp->if_bpf, sc->ifp, dlt, len)
-#  define LMC_BPF_DETACH	   bpfdetach(sc->ifp)
-# endif
-#endif /* __OpenBSD__ */
-
-#ifdef __bsdi__
-  typedef int intr_return_t;
-# define  READ_PCI_CFG(sc, addr)        pci_inl(&(sc)->cfgbase, addr)
-# define WRITE_PCI_CFG(sc, addr, data) pci_outl(&(sc)->cfgbase, addr, data)
-# if IOREF_CSR
-#  define  READ_CSR(csr)	 inl(sc->csr_iobase+(csr))
-#  define WRITE_CSR(csr, val)	outl(sc->csr_iobase+(csr), (val))
-# else
-# error Memory refs to Tulip CSRs cause page faults in BSD/OS
-#  define  READ_CSR(csr)	   (0 + *(sc->csr_membase+(csr)))
-#  define WRITE_CSR(csr, val)	((void)(*(sc->csr_membase+(csr)) = (val)))
-# endif
-# define NAME_UNIT		sc->dev.dv_xname
-# define DRIVER_DEBUG		((sc->config.debug) || (sc->ifp->if_flags & IFF_DEBUG))
-# define TOP_TRYLOCK		simple_lock_try(&sc->top_lock)
-# define TOP_UNLOCK		simple_unlock  (&sc->top_lock)
-# define BOTTOM_TRYLOCK		simple_lock_try(&sc->bottom_lock)
-# define BOTTOM_UNLOCK		simple_unlock  (&sc->bottom_lock)
-# define CHECK_CAP		suser(PCPU(curproc)->p_ucred, &PCPU(curproc)->p_acflag)
-# define DISABLE_INTR		int spl = splimp()
-# define ENABLE_INTR		splx(spl)
-# define IRQ_NONE		1 /* XXX 0 */
-# define IRQ_HANDLED		1
-# define IFP2SC(ifp)		(ifp)->if_softc
-# define COPY_BREAK		MHLEN
-# define SLEEP(usecs)		tsleep(sc, PCATCH | PZERO, DEVICE_NAME, 1+(usecs/tick))
-# define DMA_SYNC(map, size, flags)   /* nothing */
-# define DMA_LOAD(map, addr, size)    0
-# define bus_dmamap_unload(tag, map)  /* nothing */
-# define bus_dmamap_destroy(tag, map) /* nothing */
-# if (NBPFILTER != 0)
-#  define LMC_BPF_MTAP(mbuf)	if (sc->ifp->if_bpf) bpf_mtap(sc->ifp->if_bpf, mbuf)
-#  define LMC_BPF_ATTACH(dlt, len) bpfattach(&sc->ifp->if_bpf, sc->ifp, dlt, len)
-#  define LMC_BPF_DETACH	/* bpfdetach(sc->ifp) */
-# endif
-# define memcpy(dst, src, len)  bcopy(src, dst, len)
-# define if_detach(ifp)		/* nothing */
-
-/*  BSD/OS-4.1 doesn't have a back pointer to softc in struct ifnet, */
-/*  and it passes a unit number not a struct ifnet* to watchdog. */
-# if (_BSDI_VERSION <= 199910)
-   extern struct cfdriver	lmccd;
-#  undef  IFP2SC
-#  define UNIT2SC(unit)		((softc_t *)lmccd.cd_devs[unit])
-#  define IFP2SC(ifp)		(UNIT2SC((ifp)->if_unit))
-# endif
-#endif /* __bsdi__ */
 
-#ifdef __linux__
-static u_int32_t /* inline? so rare it doesn't matter */
-READ_PCI_CFG(softc_t *sc, u_int32_t addr)
-  {
-  u_int32_t data;
-  pci_read_config_dword(sc->pci_dev, addr, &data);
-  return data;
-  }
-# define WRITE_PCI_CFG(sc, addr, data) pci_write_config_dword(sc->pci_dev, addr, data)
-# if IOREF_CSR
-#  define  READ_CSR(csr)	       inl((sc->csr_iobase+(csr)))
-#  define WRITE_CSR(csr, val)	outl((val),(sc->csr_iobase+(csr)))
-# else
-#  define  READ_CSR(csr)	       readl((sc->csr_membase+(csr)))
-#  define WRITE_CSR(csr, val)	writel((val),(sc->csr_membase+(csr)))
-# endif
-# define NAME_UNIT		sc->net_dev->name
-# define DRIVER_DEBUG		((sc->config.debug) || (sc->net_dev->flags & IFF_DEBUG))
-# define TOP_TRYLOCK		((down_trylock(&sc->top_lock)==0) ? 1:0)
-# define TOP_UNLOCK		up(&sc->top_lock)
-# define BOTTOM_TRYLOCK		spin_trylock_bh(&sc->bottom_lock)
-# define BOTTOM_UNLOCK		spin_unlock_bh(&sc->bottom_lock)
-# define CHECK_CAP		capable(CAP_NET_ADMIN)? 0 : -EPERM
-# define DISABLE_INTR		/* nothing */
-# define ENABLE_INTR		/* nothing */
-# define COPY_BREAK		200
-# define DELAY(usecs)		udelay(usecs)
-# define SLEEP(usecs)		do { set_current_state(TASK_INTERRUPTIBLE);\
-				schedule_timeout(1+(usecs*HZ)/1000000UL); } while (0)
-# define printf			printk
-# define copyin(u, k, len)	copy_from_user(k, u, len)
-# define microtime(time)	do_gettimeofday(time)
-# define malloc(len, t, f)	kmalloc(len, GFP_KERNEL)
-# define free(addr, t)		kfree(addr)
-# define LITTLE_ENDIAN		4321
-# define BIG_ENDIAN		1234
-# if defined(__LITTLE_ENDIAN)
-#  define BYTE_ORDER LITTLE_ENDIAN
-# elif defined(__BIG_ENDIAN)
-#  define BYTE_ORDER BIG_ENDIAN
-# else
-#  error "asm/byteorder.h is wrong"
-# endif
-# if (GEN_HDLC == 0)
-#  define dev_to_hdlc(net_dev) net_dev
-#  define hdlc_set_carrier(val, net_dev) /* nothing */
-# endif
-#endif /* __linux__ */
+
 
 #if (NBPFILTER == 0)
 # define LMC_BPF_MTAP(mbuf)		/* nothing */
@@ -1541,9 +1325,7 @@ static void lmc_raw_input(struct ifnet *, struct mbuf *);
 #if BSD
 static void mbuf_enqueue(struct desc_ring *, struct mbuf *);
 static struct mbuf* mbuf_dequeue(struct desc_ring *);
-# ifdef __FreeBSD__
 static void fbsd_dmamap_load(void *, bus_dma_segment_t *, int, int);
-# endif
 static int create_ring(softc_t *, struct desc_ring *, int);
 static void destroy_ring(softc_t *, struct desc_ring *);
 static int rxintr_cleanup(softc_t *);
@@ -1553,18 +1335,6 @@ static int txintr_setup_mbuf(softc_t *, struct mbuf *);
 static int txintr_setup(softc_t *);
 #endif /* BSD */
 
-#ifdef __linux__
-static void skbuff_enqueue(struct desc_ring *, struct sk_buff *);
-static struct sk_buff* skbuff_dequeue(struct desc_ring *);
-static int create_ring(softc_t *, struct desc_ring *, int);
-static void destroy_ring(softc_t *, struct desc_ring *);
-static int rxintr_cleanup(softc_t *);
-static int rxintr_setup(softc_t *);
-static int txintr_cleanup(softc_t *sc);
-static int txintr_setup_frag(softc_t *, char *, int);
-static int txintr_setup_skb(softc_t *, struct sk_buff *);
-static int txintr_setup(softc_t *);
-#endif /* __linux__ */
 
 static void check_intr_status(softc_t *);
 static void core_interrupt(void *, int);
@@ -1596,10 +1366,6 @@ static int lmc_ifnet_ioctl(struct ifnet *, u_long, caddr_t);
 static void lmc_ifnet_start(struct ifnet *);
 static int lmc_raw_output(struct ifnet *, struct mbuf *,
  const struct sockaddr *, struct route *);
-# ifdef __OpenBSD__
-static int ifmedia_change(struct ifnet *);
-static void ifmedia_status(struct ifnet *, struct ifmediareq *);
-# endif /* __OpenBSD__ */
 static void setup_ifnet(struct ifnet *);
 static int lmc_ifnet_attach(softc_t *);
 static void lmc_ifnet_detach(softc_t *);
@@ -1638,52 +1404,14 @@ static void shutdown_card(void *);
 static int attach_card(softc_t *, const char *);
 static void detach_card(softc_t *);
 
-#ifdef __FreeBSD__
 static int fbsd_probe(device_t);
 static int fbsd_detach(device_t);
 static int fbsd_shutdown(device_t);
 static int fbsd_attach(device_t);
-#endif /* __FreeBSD__ */
-
-#ifdef __NetBSD__
-static int nbsd_match(struct device *t, struct cfdata *, void *);
-static int nbsd_detach(struct device *, int);
-static void nbsd_attach(struct device *, struct device *, void *);
-static int lkm_nbsd_match(struct pci_attach_args *);
-int if_lmc_lkmentry(struct lkm_table *, int, int);
-#endif  /* __NetBSD__ */
-
-#ifdef __OpenBSD__
-static int obsd_match(struct device *, void *, void *);
-static int obsd_detach(struct device *, int);
-static void obsd_attach(struct device *, struct device *, void *);
-int if_lmc_lkmentry(struct lkm_table *, int, int);
-#endif  /* __OpenBSD__ */
-
-#ifdef __bsdi__
-static int bsdi_match(pci_devaddr_t *);
-static int bsdi_probe(struct device *, struct cfdata *, void *);
-static void bsdi_attach(struct device *, struct device *, void *);
-#endif  /* __bsdi__ */
-
-#ifdef __linux__
-static irqreturn_t linux_interrupt(int, void *, struct pt_regs *);
-static int linux_poll(struct net_device *, int *);
-static int linux_start(struct sk_buff *, struct net_device *);
-static void linux_timeout(struct net_device *);
-static int linux_ioctl(struct net_device *, struct ifreq *, int);
-static struct net_device_stats * linux_stats(struct net_device *);
-static void linux_watchdog(unsigned long);
-static int linux_stop(struct net_device *);
-static int linux_open(struct net_device *);
-# if GEN_HDLC
-static int hdlc_attach(struct net_device *,
- unsigned short, unsigned short);
-# endif
-static void __exit linux_remove(struct pci_dev *);
-static void setup_netdev(struct net_device *);
-static int __init linux_probe(struct pci_dev *, const struct pci_device_id *);
-#endif /* __linux__ */
+
+
+
+
 
 #endif /* KERNEL */