Here is a patch. Please try it.

Date: Wed, 31 Jan 2001 08:55:59 -0800 (PST)
From: Thorsten Lockert <tholosigmasoft.com>
Message-Id: <200101311655.f0VGtx820442gandalf.sigmasoft.com>
To: deraadtopenbsd.org
Subject: /sys/dev/pci/if_le_pci.c diff, KNF, better

Index: if_le_pci.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/if_le_pci.c,v
retrieving revision 1.12
diff -u -r1.12 if_le_pci.c
--- if_le_pci.c 1999/08/10 08:10:35 1.12
+++ if_le_pci.c 2001/01/31 16:46:00
-160,8 +160,11
         bus_space_tag_t iot = pa->pa_iot;
         pci_chipset_tag_t pc = pa->pa_pc;
         pcireg_t csr;
- int i;
+ int i, rseg;
         const char *intrstr;
+ bus_dma_segment_t seg;
+ bus_dmamap_t dmamap;
+ caddr_t kva;
 
         switch (PCI_PRODUCT(pa->pa_id)) {
         case PCI_PRODUCT_AMD_PCNET_PCI:
-185,11 +188,34
         for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++)
                 sc->sc_arpcom.ac_enaddr[i] = bus_space_read_1(iot, ioh, i);
 
- sc->sc_mem = malloc(16384, M_DEVBUF, M_NOWAIT);
- if (sc->sc_mem == 0) {
+ if (bus_dmamem_alloc(pa->pa_dmat, PCNET_MEMSIZE, PAGE_SIZE,
+ 0, &seg, 1, &rseg, BUS_DMA_NOWAIT)) {
                 printf(": couldn't allocate memory for card\n");
                 return;
         }
+ if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, PCNET_MEMSIZE,
+ &kva, BUS_DMA_NOWAIT)) {
+ printf(": couldn't map memory for card\n");
+ bus_dmamem_free(pa->pa_dmat, &seg, rseg);
+ return;
+ }
+ if (bus_dmamap_create(pa->pa_dmat, PCNET_MEMSIZE, 1, 36384,
+ 0, BUS_DMA_NOWAIT, &dmamap)) {
+ printf(": couldn't create dma map\n");
+ bus_dmamem_unmap(pa->pa_dmat, kva, PCNET_MEMSIZE);
+ bus_dmamem_free(pa->pa_dmat, &seg, rseg);
+ return;
+ }
+ if (bus_dmamap_load(pa->pa_dmat, dmamap, kva, PCNET_MEMSIZE,
+ NULL, BUS_DMA_NOWAIT)) {
+ printf(": couldn't load dma map\n");
+ bus_dmamap_destroy(pa->pa_dmat, dmamap);
+ bus_dmamem_unmap(pa->pa_dmat, kva, PCNET_MEMSIZE);
+ bus_dmamem_free(pa->pa_dmat, &seg, rseg);
+ return;
+ }
+ sc->sc_mem = kva;
+ bzero(sc->sc_mem, PCNET_MEMSIZE);
 
         printf("\n");
 
-198,7 +224,7
 
         sc->sc_conf3 = 0;
         sc->sc_addr = vtophys(sc->sc_mem); /* XXX XXX XXX */
- sc->sc_memsize = 16384;
+ sc->sc_memsize = PCNET_MEMSIZE;
 
         sc->sc_copytodesc = am7990_copytobuf_contig;
         sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
Index: if_levar.h
===================================================================
RCS file: /cvs/src/sys/dev/pci/if_levar.h,v
retrieving revision 1.4
diff -u -r1.4 if_levar.h
--- if_levar.h 1997/11/07 08:07:29 1.4
+++ if_levar.h 2001/01/31 16:46:00
-18,6 +18,18
 #define PCNET_PCI_RAP 0x12
 
 /*
+ * Size of packet buffer
+ *
+ * The MI code will split this between initialization block, descriptors,
+ * transmit and receive buffers.
+ *
+ * Must be 8192 <= PCNET_MEMSIZE <= 262144 and a power of 2
+ */
+
+#define PCNET_MEMSIZE 16384
+
+
+/*
  * Ethernet software status per interface.
  *
  * Each interface is referenced by a network interface structure,

--7JfCtLOvnd9MIVvH--

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