diff options
Diffstat (limited to 'sys/dev/sk')
| -rw-r--r-- | sys/dev/sk/if_sk.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/sys/dev/sk/if_sk.c b/sys/dev/sk/if_sk.c index 0f5d2b1..c8cd956 100644 --- a/sys/dev/sk/if_sk.c +++ b/sys/dev/sk/if_sk.c @@ -1169,14 +1169,17 @@ sk_ioctl(ifp, command, data) break; } mask = ifr->ifr_reqcap ^ ifp->if_capenable; - if (mask & IFCAP_HWCSUM) { - ifp->if_capenable ^= IFCAP_HWCSUM; - if (IFCAP_HWCSUM & ifp->if_capenable && - IFCAP_HWCSUM & ifp->if_capabilities) - ifp->if_hwassist = SK_CSUM_FEATURES; + if ((mask & IFCAP_TXCSUM) != 0 && + (IFCAP_TXCSUM & ifp->if_capabilities) != 0) { + ifp->if_capenable ^= IFCAP_TXCSUM; + if ((ifp->if_capenable & IFCAP_TXCSUM) != 0) + ifp->if_hwassist |= SK_CSUM_FEATURES; else - ifp->if_hwassist = 0; + ifp->if_hwassist &= ~SK_CSUM_FEATURES; } + if ((mask & IFCAP_RXCSUM) != 0 && + (IFCAP_RXCSUM & ifp->if_capabilities) != 0) + ifp->if_capenable ^= IFCAP_RXCSUM; SK_IF_UNLOCK(sc_if); break; default: @@ -1363,13 +1366,23 @@ sk_attach(dev) * SK_GENESIS has a bug in checksum offload - From linux. */ if (sc_if->sk_softc->sk_type != SK_GENESIS) { - ifp->if_capabilities = IFCAP_HWCSUM; - ifp->if_hwassist = SK_CSUM_FEATURES; + ifp->if_capabilities = IFCAP_TXCSUM | IFCAP_RXCSUM; + ifp->if_hwassist = 0; } else { ifp->if_capabilities = 0; ifp->if_hwassist = 0; } ifp->if_capenable = ifp->if_capabilities; + /* + * Some revision of Yukon controller generates corrupted + * frame when TX checksum offloading is enabled. The + * frame has a valid checksum value so payload might be + * modified during TX checksum calculation. Disable TX + * checksum offloading but give users chance to enable it + * when they know their controller works without problems + * with TX checksum offloading. + */ + ifp->if_capenable &= ~IFCAP_TXCSUM; ifp->if_ioctl = sk_ioctl; ifp->if_start = sk_start; ifp->if_init = sk_init; |
