[src/trunk]: src/sys/dev/pci Fix little-endian dependence in wm_rxeof(), by w...

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

details:   https://anonhg.NetBSD.org/src/rev/5651790be7b3
branches:  trunk
changeset: 946095:5651790be7b3
user:      rin <rin%NetBSD.org@localhost>
date:      Mon Nov 16 11:54:10 2020 +0000

description:
Fix little-endian dependence in wm_rxeof(), by which packets cannot be
received by 82574 and successors on big-endian machines.

Tested by aarch64eb with I210-T1 on ROCKPro64.

Thanks msaitoh for discussion!

XXX
pullup to netbsd-9 and netbsd-8

diffstat:

 sys/dev/pci/if_wm.c |  16 ++++++++++------
 1 files changed, 10 insertions(+), 6 deletions(-)

diffs (46 lines):

diff -r a7731103f5eb -r 5651790be7b3 sys/dev/pci/if_wm.c
--- a/sys/dev/pci/if_wm.c       Mon Nov 16 11:38:29 2020 +0000
+++ b/sys/dev/pci/if_wm.c       Mon Nov 16 11:54:10 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_wm.c,v 1.695 2020/11/02 09:21:50 knakahara Exp $    */
+/*     $NetBSD: if_wm.c,v 1.696 2020/11/16 11:54:10 rin Exp $  */
 
 /*
  * Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@@ -82,7 +82,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.695 2020/11/02 09:21:50 knakahara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.696 2020/11/16 11:54:10 rin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -8905,9 +8905,11 @@
        struct wm_softc *sc = rxq->rxq_sc;
 
        if (sc->sc_type == WM_T_82574)
-               return EXTRXC_STATUS(rxq->rxq_ext_descs[idx].erx_ctx.erxc_err_stat);
+               return EXTRXC_STATUS(
+                   le32toh(rxq->rxq_ext_descs[idx].erx_ctx.erxc_err_stat));
        else if ((sc->sc_flags & WM_F_NEWQUEUE) != 0)
-               return NQRXC_STATUS(rxq->rxq_nq_descs[idx].nqrx_ctx.nrxc_err_stat);
+               return NQRXC_STATUS(
+                   le32toh(rxq->rxq_nq_descs[idx].nqrx_ctx.nrxc_err_stat));
        else
                return rxq->rxq_descs[idx].wrx_status;
 }
@@ -8918,9 +8920,11 @@
        struct wm_softc *sc = rxq->rxq_sc;
 
        if (sc->sc_type == WM_T_82574)
-               return EXTRXC_ERROR(rxq->rxq_ext_descs[idx].erx_ctx.erxc_err_stat);
+               return EXTRXC_ERROR(
+                   le32toh(rxq->rxq_ext_descs[idx].erx_ctx.erxc_err_stat));
        else if ((sc->sc_flags & WM_F_NEWQUEUE) != 0)
-               return NQRXC_ERROR(rxq->rxq_nq_descs[idx].nqrx_ctx.nrxc_err_stat);
+               return NQRXC_ERROR(
+                   le32toh(rxq->rxq_nq_descs[idx].nqrx_ctx.nrxc_err_stat));
        else
                return rxq->rxq_descs[idx].wrx_errors;
 }