From: Or Gerlitz Date: Thu, 23 Jan 2014 09:28:13 +0000 (+0200) Subject: net/vxlan: Share RX skb de-marking and checksum checks with ovs X-Git-Url: http://pileus.org/git/?a=commitdiff_plain;h=d0bc65557ad09a57b4db176e9e3ccddb26971453;p=~andy%2Flinux net/vxlan: Share RX skb de-marking and checksum checks with ovs Make sure the practice set by commit 0afb166 "vxlan: Add capability of Rx checksum offload for inner packet" is applied when the skb goes through the portion of the RX code which is shared between vxlan netdevices and ovs vxlan port instances. Cc: Joseph Gasparakis Cc: Pravin B Shelar Signed-off-by: Or Gerlitz Signed-off-by: David S. Miller --- diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index e1bc9252e3f..026a313c2d2 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1159,6 +1159,16 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb) if (!vs) goto drop; + /* If the NIC driver gave us an encapsulated packet + * with the encapsulation mark, the device checksummed it + * for us. Otherwise force the upper layers to verify it. + */ + if ((skb->ip_summed != CHECKSUM_UNNECESSARY && skb->ip_summed != CHECKSUM_PARTIAL) || + !skb->encapsulation) + skb->ip_summed = CHECKSUM_NONE; + + skb->encapsulation = 0; + vs->rcv(vs, skb, vxh->vx_vni); return 0; @@ -1217,17 +1227,6 @@ static void vxlan_rcv(struct vxlan_sock *vs, skb_reset_network_header(skb); - /* If the NIC driver gave us an encapsulated packet with - * CHECKSUM_UNNECESSARY and Rx checksum feature is enabled, - * leave the CHECKSUM_UNNECESSARY, the device checksummed it - * for us. Otherwise force the upper layers to verify it. - */ - if ((skb->ip_summed != CHECKSUM_UNNECESSARY && skb->ip_summed != CHECKSUM_PARTIAL) || - !skb->encapsulation || !(vxlan->dev->features & NETIF_F_RXCSUM)) - skb->ip_summed = CHECKSUM_NONE; - - skb->encapsulation = 0; - if (oip6) err = IP6_ECN_decapsulate(oip6, skb); if (oip)