[src/trunk]: src/sys/dev/pci Fix big-endian support.

[tsubai <tsubai%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/dc94da0075cd
branches:  trunk
changeset: 467986:dc94da0075cd
user:      tsubai <tsubai%NetBSD.org@localhost>
date:      Thu Apr 01 11:02:20 1999 +0000

description:
Fix big-endian support.
TULIP_BUSMODE_BIGENDIAN does bswap packet buffers also, so we should use
TULIP_BUSMODE_DESC_BIGENDIAN on big-endian machines. (PR 7027)

XXX 21040 doesn't have this bit, but supporting only 21041+ is better than
    nothing.

diffstat:

 sys/dev/pci/if_de.c |  41 +++++++++++++++++++++++++++++++++++++++--
 1 files changed, 39 insertions(+), 2 deletions(-)

diffs (106 lines):

diff -r 6241669b403b -r dc94da0075cd sys/dev/pci/if_de.c
--- a/sys/dev/pci/if_de.c       Thu Apr 01 09:57:00 1999 +0000
+++ b/sys/dev/pci/if_de.c       Thu Apr 01 11:02:20 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_de.c,v 1.82 1999/02/28 17:08:51 explorer Exp $      */
+/*     $NetBSD: if_de.c,v 1.83 1999/04/01 11:02:20 tsubai Exp $        */
 
 /*-
  * Copyright (c) 1994-1997 Matt Thomas (matt%3am-software.com@localhost)
@@ -3094,7 +3094,11 @@
        while (enm != NULL) {
                if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) {
                    hash = tulip_mchash(enm->enm_addrlo);
+#if BYTE_ORDER == BIG_ENDIAN
+                   sp[hash >> 4] |= bswap32(1 << (hash & 0xF));
+#else
                    sp[hash >> 4] |= 1 << (hash & 0xF);
+#endif
                } else {
                    sc->tulip_flags |= TULIP_ALLMULTI;
                    sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT);
@@ -3108,14 +3112,28 @@
         */
        if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
            hash = tulip_mchash(etherbroadcastaddr);
+#if BYTE_ORDER == BIG_ENDIAN
+           sp[hash >> 4] |= bswap32(1 << (hash & 0xF));
+#else
            sp[hash >> 4] |= 1 << (hash & 0xF);
+#endif
            if (sc->tulip_flags & TULIP_WANTHASHONLY) {
                hash = tulip_mchash(sc->tulip_enaddr);
+#if BYTE_ORDER == BIG_ENDIAN
+               sp[hash >> 4] |= bswap32(1 << (hash & 0xF));
+#else
                sp[hash >> 4] |= 1 << (hash & 0xF);
+#endif
            } else {
+#if BYTE_ORDER == BIG_ENDIAN
+               sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16;
+               sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16;
+               sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16;
+#else
                sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 
                sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 
                sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2];
+#endif
            }
        }
     }
@@ -3129,9 +3147,15 @@
            ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm);
            for (; enm != NULL; idx++) {
                if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) {
+#if BYTE_ORDER == BIG_ENDIAN
+                   *sp++ = ((u_int16_t *) enm->enm_addrlo)[0] << 16;
+                   *sp++ = ((u_int16_t *) enm->enm_addrlo)[1] << 16;
+                   *sp++ = ((u_int16_t *) enm->enm_addrlo)[2] << 16;
+#else
                    *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 
                    *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 
                    *sp++ = ((u_int16_t *) enm->enm_addrlo)[2];
+#endif
                } else {
                    sc->tulip_flags |= TULIP_ALLMULTI;
                    break;
@@ -3142,17 +3166,29 @@
             * Add the broadcast address.
             */
            idx++;
+#if BYTE_ORDER == BIG_ENDIAN
+           *sp++ = 0xFFFF << 16;
+           *sp++ = 0xFFFF << 16;
+           *sp++ = 0xFFFF << 16;
+#else
            *sp++ = 0xFFFF;
            *sp++ = 0xFFFF;
            *sp++ = 0xFFFF;
+#endif
        }
        /*
         * Pad the rest with our hardware address
         */
        for (; idx < 16; idx++) {
+#if BYTE_ORDER == BIG_ENDIAN
+           *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16;
+           *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16;
+           *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16;
+#else
            *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 
            *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 
            *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2];
+#endif
        }
     }
 #if defined(IFF_ALLMULTI)
@@ -3206,7 +3242,8 @@
                    (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8))
                    |TULIP_BUSMODE_CACHE_ALIGN8
                    |TULIP_BUSMODE_READMULTIPLE
-                   |(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_BIGENDIAN : 0));
+                   |(BYTE_ORDER != LITTLE_ENDIAN ?
+                     TULIP_BUSMODE_DESC_BIGENDIAN : 0));
 
     sc->tulip_txtimer = 0;
     sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS;