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Disable TX IP header checksum offloading on RL_HWREV_8168CP. The

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controller generates wrong checksummed frame if the IP packet has
IP options.

Submitted by:	Alexander Bluhm via brad@openbsd
This commit is contained in:
yongari 2013-03-13 02:11:45 +00:00
parent 73e151d1b2
commit 9141c87f45
1 changed files with 4 additions and 2 deletions
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6
sys/dev/re/if_re.c
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@ -1587,7 +1587,8 @@ re_attach(device_t dev)
* packet has IP options so disable TX IP checksum offloading.
*/
if (sc->rl_hwrev->rl_rev == RL_HWREV_8168C ||
sc->rl_hwrev->rl_rev == RL_HWREV_8168C_SPIN2)
sc->rl_hwrev->rl_rev == RL_HWREV_8168C_SPIN2 ||
sc->rl_hwrev->rl_rev == RL_HWREV_8168CP)
ifp->if_hwassist = CSUM_TCP | CSUM_UDP;
else
ifp->if_hwassist = CSUM_IP | CSUM_TCP | CSUM_UDP;
@ -3419,7 +3420,8 @@ re_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
if ((ifp->if_capenable & IFCAP_TXCSUM) != 0) {
rev = sc->rl_hwrev->rl_rev;
if (rev == RL_HWREV_8168C ||
rev == RL_HWREV_8168C_SPIN2)
rev == RL_HWREV_8168C_SPIN2 ||
rev == RL_HWREV_8168CP)
ifp->if_hwassist |= CSUM_TCP | CSUM_UDP;
else
ifp->if_hwassist |= RE_CSUM_FEATURES;