diff options
| author | Chopra, Manish <Manish.Chopra@cavium.com> | 2017-04-24 10:00:46 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-25 11:49:31 -0400 |
| commit | 369bfd4ec77f1668e48d395e95849d29fccaa4c3 (patch) | |
| tree | e8d3ddb368cf43962f015fba6ada29e6365b776e | |
| parent | 19489c7f0d9040ed2ffc23747e14af95dba479d2 (diff) | |
| download | linux-369bfd4ec77f1668e48d395e95849d29fccaa4c3.tar.gz | |
qede: Disable tunnel offloads for non offloaded UDP ports
This patch disables tunnel offloads via ndo_features_check() if given UDP port is not offloaded to hardware. This in turn allows to run multiple tunnel interfaces using different UDP ports. Signed-off-by: Manish Chopra <manish.chopra@cavium.com> Signed-off-by: Yuval Mintz <yuval.mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede_fp.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c index 961b1d36b9eb..7b6f41d06245 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_fp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c @@ -1697,13 +1697,24 @@ netdev_features_t qede_features_check(struct sk_buff *skb, } /* Disable offloads for geneve tunnels, as HW can't parse - * the geneve header which has option length greater than 32B. + * the geneve header which has option length greater than 32b + * and disable offloads for the ports which are not offloaded. */ - if ((l4_proto == IPPROTO_UDP) && - ((skb_inner_mac_header(skb) - - skb_transport_header(skb)) > QEDE_MAX_TUN_HDR_LEN)) - return features & ~(NETIF_F_CSUM_MASK | - NETIF_F_GSO_MASK); + if (l4_proto == IPPROTO_UDP) { + struct qede_dev *edev = netdev_priv(dev); + u16 hdrlen, vxln_port, gnv_port; + + hdrlen = QEDE_MAX_TUN_HDR_LEN; + vxln_port = edev->vxlan_dst_port; + gnv_port = edev->geneve_dst_port; + + if ((skb_inner_mac_header(skb) - + skb_transport_header(skb)) > hdrlen || + (ntohs(udp_hdr(skb)->dest) != vxln_port && + ntohs(udp_hdr(skb)->dest) != gnv_port)) + return features & ~(NETIF_F_CSUM_MASK | + NETIF_F_GSO_MASK); + } } return features; |