Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

- Set IPV6EXDIS bit in RFCTL register because of an Errata on 82575 and newer

Browse Source 
devices.
- Update comment in wm_init_rss().
This commit is contained in:
msaitoh 2017-01-06 08:05:26 +00:00
parent ee0d07d7e3
commit be2192bb96
1 changed files with 28 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
sys/dev/pci/if_wm.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_wm.c,v 1.461 2017/01/04 04:43:08 knakahara Exp $ */
/* $NetBSD: if_wm.c,v 1.462 2017/01/06 08:05:26 msaitoh Exp $ */
/*
* Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@ -84,7 +84,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.461 2017/01/04 04:43:08 knakahara Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.462 2017/01/06 08:05:26 msaitoh Exp $");
#ifdef _KERNEL_OPT
#include "opt_net_mpsafe.h"
@ -3709,11 +3709,11 @@ wm_initialize_hardware_bits(struct wm_softc *sc)
}
CSR_WRITE(sc, WMREG_TARC0, tarc0);
switch (sc->sc_type) {
/*
* 8257[12] Errata No.52 and some others.
* 8257[12] Errata No.52, 82573 Errata No.43 and some others.
* Avoid RSS Hash Value bug.
*/
switch (sc->sc_type) {
case WM_T_82571:
case WM_T_82572:
case WM_T_82573:
@ -3723,6 +3723,27 @@ wm_initialize_hardware_bits(struct wm_softc *sc)
reg |= WMREG_RFCTL_NEWIPV6EXDIS |WMREG_RFCTL_IPV6EXDIS;
CSR_WRITE(sc, WMREG_RFCTL, reg);
break;
/*
* 82575 Errata XXX, 82576 Errata 46, 82580 Errata 24,
* I350 Errata 37, I210 Errata No. 31 and I211 Errata No. 11:
* "Certain Malformed IPv6 Extension Headers are Not Processed
* Correctly by the Device"
*
* I354(C2000) Errata AVR53:
* "Malformed IPv6 Extension Headers May Result in LAN Device
* Hang"
*/
case WM_T_82575:
case WM_T_82576:
case WM_T_82580:
case WM_T_I350:
case WM_T_I210:
case WM_T_I211:
case WM_T_I354:
reg = CSR_READ(sc, WMREG_RFCTL);
reg |= WMREG_RFCTL_IPV6EXDIS;
CSR_WRITE(sc, WMREG_RFCTL, reg);
break;
default:
break;
}
@ -4411,9 +4432,9 @@ wm_init_rss(struct wm_softc *sc)
else
mrqc = MRQC_ENABLE_RSS_MQ;
/* XXXX
* The same as FreeBSD igb.
* Why doesn't use MRQC_RSS_FIELD_IPV6_EX?
/*
* MRQC_RSS_FIELD_IPV6_EX is not set because of an errata.
* See IPV6EXDIS bit in wm_initialize_hardware_bits().
*/
mrqc |= (MRQC_RSS_FIELD_IPV4 | MRQC_RSS_FIELD_IPV4_TCP);
mrqc |= (MRQC_RSS_FIELD_IPV6 | MRQC_RSS_FIELD_IPV6_TCP);