diff options
Diffstat (limited to 'sys/dev/virtio/network/if_vtnet.c')
| -rw-r--r-- | sys/dev/virtio/network/if_vtnet.c | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/sys/dev/virtio/network/if_vtnet.c b/sys/dev/virtio/network/if_vtnet.c index 471c6b3714b2..d9daa5bfd70a 100644 --- a/sys/dev/virtio/network/if_vtnet.c +++ b/sys/dev/virtio/network/if_vtnet.c @@ -1346,20 +1346,40 @@ vtnet_ioctl_ifcap(struct vtnet_softc *sc, struct ifreq *ifr) VTNET_CORE_LOCK_ASSERT(sc); if (mask & IFCAP_TXCSUM) { + if (if_getcapenable(ifp) & IFCAP_TXCSUM && + if_getcapenable(ifp) & IFCAP_TSO4) { + /* Disable tso4, because txcsum will be disabled. */ + if_setcapenablebit(ifp, 0, IFCAP_TSO4); + if_sethwassistbits(ifp, 0, CSUM_IP_TSO); + mask &= ~IFCAP_TSO4; + } if_togglecapenable(ifp, IFCAP_TXCSUM); if_togglehwassist(ifp, VTNET_CSUM_OFFLOAD); } if (mask & IFCAP_TXCSUM_IPV6) { + if (if_getcapenable(ifp) & IFCAP_TXCSUM_IPV6 && + if_getcapenable(ifp) & IFCAP_TSO6) { + /* Disable tso6, because txcsum6 will be disabled. */ + if_setcapenablebit(ifp, 0, IFCAP_TSO6); + if_sethwassistbits(ifp, 0, CSUM_IP6_TSO); + mask &= ~IFCAP_TSO6; + } if_togglecapenable(ifp, IFCAP_TXCSUM_IPV6); if_togglehwassist(ifp, VTNET_CSUM_OFFLOAD_IPV6); } if (mask & IFCAP_TSO4) { - if_togglecapenable(ifp, IFCAP_TSO4); - if_togglehwassist(ifp, IFCAP_TSO4); + if (if_getcapenable(ifp) & (IFCAP_TXCSUM | IFCAP_TSO4)) { + /* tso4 can only be enabled, if txcsum is enabled. */ + if_togglecapenable(ifp, IFCAP_TSO4); + if_togglehwassist(ifp, CSUM_IP_TSO); + } } if (mask & IFCAP_TSO6) { - if_togglecapenable(ifp, IFCAP_TSO6); - if_togglehwassist(ifp, IFCAP_TSO6); + if (if_getcapenable(ifp) & (IFCAP_TXCSUM_IPV6 | IFCAP_TSO6)) { + /* tso6 can only be enabled, if txcsum6 is enabled. */ + if_togglecapenable(ifp, IFCAP_TSO6); + if_togglehwassist(ifp, CSUM_IP6_TSO); + } } if (mask & (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6 | IFCAP_LRO)) { @@ -2505,10 +2525,6 @@ vtnet_txq_offload(struct vtnet_txq *txq, struct mbuf *m, hdr->csum_start = vtnet_gtoh16(sc, csum_start); hdr->csum_offset = vtnet_gtoh16(sc, m->m_pkthdr.csum_data); txq->vtntx_stats.vtxs_csum++; - } else if ((flags & (CSUM_DATA_VALID | CSUM_PSEUDO_HDR)) && - (proto == IPPROTO_TCP || proto == IPPROTO_UDP) && - (m->m_pkthdr.csum_data == 0xFFFF)) { - hdr->flags |= VIRTIO_NET_HDR_F_DATA_VALID; } if (flags & (CSUM_IP_TSO | CSUM_IP6_TSO)) { @@ -2622,8 +2638,7 @@ vtnet_txq_encap(struct vtnet_txq *txq, struct mbuf **m_head, int flags) m->m_flags &= ~M_VLANTAG; } - if (m->m_pkthdr.csum_flags & - (VTNET_CSUM_ALL_OFFLOAD | CSUM_DATA_VALID)) { + if (m->m_pkthdr.csum_flags & VTNET_CSUM_ALL_OFFLOAD) { m = vtnet_txq_offload(txq, m, hdr); if ((*m_head = m) == NULL) { error = ENOBUFS; |