diff options
| author | Michal Kalderon <Michal.Kalderon@cavium.com> | 2018-03-14 14:49:28 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-16 12:13:50 -0400 |
| commit | 16da09047d3fb991dc48af41f6d255fd578e8ca2 (patch) | |
| tree | caee9abe602766634b66c10b5d269422bb9ab902 /drivers/net/ethernet/qlogic/qed/qed_iwarp.c | |
| parent | 933e8c91b9f5a2f504f6da1f069c410449b9f4b9 (diff) | |
| download | linux-16da09047d3fb991dc48af41f6d255fd578e8ca2.tar.gz linux-16da09047d3fb991dc48af41f6d255fd578e8ca2.tar.bz2 linux-16da09047d3fb991dc48af41f6d255fd578e8ca2.zip | |
qed: Fix non TCP packets should be dropped on iWARP ll2 connection
FW workaround. The iWARP LL2 connection did not expect TCP packets
to arrive on it's connection. The fix drops any non-tcp packets
Fixes b5c29ca ("qed: iWARP CM - setup a ll2 connection for handling
SYN packets")
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_iwarp.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_iwarp.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c index fefe5277f20d..d5d02be72947 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c @@ -1703,6 +1703,13 @@ qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn, iph = (struct iphdr *)((u8 *)(ethh) + eth_hlen); if (eth_type == ETH_P_IP) { + if (iph->protocol != IPPROTO_TCP) { + DP_NOTICE(p_hwfn, + "Unexpected ip protocol on ll2 %x\n", + iph->protocol); + return -EINVAL; + } + cm_info->local_ip[0] = ntohl(iph->daddr); cm_info->remote_ip[0] = ntohl(iph->saddr); cm_info->ip_version = TCP_IPV4; @@ -1711,6 +1718,14 @@ qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn, *payload_len = ntohs(iph->tot_len) - ip_hlen; } else if (eth_type == ETH_P_IPV6) { ip6h = (struct ipv6hdr *)iph; + + if (ip6h->nexthdr != IPPROTO_TCP) { + DP_NOTICE(p_hwfn, + "Unexpected ip protocol on ll2 %x\n", + iph->protocol); + return -EINVAL; + } + for (i = 0; i < 4; i++) { cm_info->local_ip[i] = ntohl(ip6h->daddr.in6_u.u6_addr32[i]); |