diff options
Diffstat (limited to 'sys/dev/re/if_re.c')
| -rw-r--r-- | sys/dev/re/if_re.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sys/dev/re/if_re.c b/sys/dev/re/if_re.c index ce74b7a..f549bf5 100644 --- a/sys/dev/re/if_re.c +++ b/sys/dev/re/if_re.c @@ -2543,6 +2543,14 @@ re_init_locked(sc) } else cfg |= RL_CPLUSCMD_RXENB | RL_CPLUSCMD_TXENB; CSR_WRITE_2(sc, RL_CPLUS_CMD, cfg); + /* + * Disable TSO if interface MTU size is greater than MSS + * allowed in controller. + */ + if (ifp->if_mtu > RL_TSO_MTU && (ifp->if_capenable & IFCAP_TSO4) != 0) { + ifp->if_capenable &= ~IFCAP_TSO4; + ifp->if_hwassist &= ~CSUM_TSO; + } /* * Init our MAC address. Even though the chipset @@ -2754,6 +2762,11 @@ re_ioctl(ifp, command, data) RL_LOCK(sc); if (ifp->if_mtu != ifr->ifr_mtu) ifp->if_mtu = ifr->ifr_mtu; + if (ifp->if_mtu > RL_TSO_MTU && + (ifp->if_capenable & IFCAP_TSO4) != 0) { + ifp->if_capenable &= ~IFCAP_TSO4; + ifp->if_hwassist &= ~CSUM_TSO; + } RL_UNLOCK(sc); break; case SIOCSIFFLAGS: @@ -2829,6 +2842,11 @@ re_ioctl(ifp, command, data) ifp->if_hwassist |= CSUM_TSO; else ifp->if_hwassist &= ~CSUM_TSO; + if (ifp->if_mtu > RL_TSO_MTU && + (ifp->if_capenable & IFCAP_TSO4) != 0) { + ifp->if_capenable &= ~IFCAP_TSO4; + ifp->if_hwassist &= ~CSUM_TSO; + } } if ((mask & IFCAP_WOL) != 0 && (ifp->if_capabilities & IFCAP_WOL) != 0) { |
