diff options
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/uts/common/io/ib/clients/ibd/ibd.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/usr/src/uts/common/io/ib/clients/ibd/ibd.c b/usr/src/uts/common/io/ib/clients/ibd/ibd.c index d41662ffb5..7c0cf75fb5 100644 --- a/usr/src/uts/common/io/ib/clients/ibd/ibd.c +++ b/usr/src/uts/common/io/ib/clients/ibd/ibd.c @@ -5714,6 +5714,7 @@ ibd_process_rx(ibd_state_t *state, ibd_rwqe_t *rwqe, ibt_wc_t *wc) mblk_t *mp; mblk_t *mpc = NULL; ipoib_hdr_t *ipibp; + ipha_t *iphap; ip6_t *ip6h; int rxcnt, len; @@ -5826,10 +5827,19 @@ ibd_process_rx(ibd_state_t *state, ibd_rwqe_t *rwqe, ibt_wc_t *wc) else if ((ntohl(phdr->ib_dst.ipoib_qpn) & IB_QPN_MASK) == IB_MC_QPN) atomic_inc_64(&state->id_multi_rcv); + iphap = (ipha_t *)((uchar_t *)ipibp + sizeof (ipoib_hdr_t)); /* * Set receive checksum status in mp + * Hardware checksumming can be considered valid only if: + * 1. CQE.IP_OK bit is set + * 2. CQE.CKSUM = 0xffff + * 3. IPv6 routing header is not present in the packet + * 4. If there are no IP_OPTIONS in the IP HEADER */ - if ((wc->wc_flags & IBT_WC_CKSUM_OK) == IBT_WC_CKSUM_OK) { + + if (((wc->wc_flags & IBT_WC_CKSUM_OK) == IBT_WC_CKSUM_OK) && + (wc->wc_cksum == 0xFFFF) && + (iphap->ipha_version_and_hdr_length == IP_SIMPLE_HDR_VERSION)) { (void) hcksum_assoc(mp, NULL, NULL, 0, 0, 0, 0, HCK_FULLCKSUM | HCK_FULLCKSUM_OK, 0); } |