diff options
| -rw-r--r-- | include/linux/netdevice.h | 3 | ||||
| -rw-r--r-- | net/ipv4/fou.c | 48 | ||||
| -rw-r--r-- | net/ipv4/udp_offload.c | 1 | ||||
| -rw-r--r-- | net/ipv6/udp_offload.c | 1 |
4 files changed, 13 insertions, 40 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 910fb17ad148..22d54b9b700d 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1886,6 +1886,9 @@ struct napi_gro_cb { /* Number of checksums via CHECKSUM_UNNECESSARY */ u8 csum_cnt:3; + /* Used in foo-over-udp, set in udp[46]_gro_receive */ + u8 is_ipv6:1; + /* used to support CHECKSUM_COMPLETE for tunneling protocols */ __wsum csum; diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c index dced89fbe480..7e2126a31f2e 100644 --- a/net/ipv4/fou.c +++ b/net/ipv4/fou.c @@ -65,14 +65,15 @@ static int fou_udp_recv(struct sock *sk, struct sk_buff *skb) } static struct sk_buff **fou_gro_receive(struct sk_buff **head, - struct sk_buff *skb, - const struct net_offload **offloads) + struct sk_buff *skb) { const struct net_offload *ops; struct sk_buff **pp = NULL; u8 proto = NAPI_GRO_CB(skb)->proto; + const struct net_offload **offloads; rcu_read_lock(); + offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); if (!ops || !ops->callbacks.gro_receive) goto out_unlock; @@ -85,14 +86,15 @@ out_unlock: return pp; } -static int fou_gro_complete(struct sk_buff *skb, int nhoff, - const struct net_offload **offloads) +static int fou_gro_complete(struct sk_buff *skb, int nhoff) { const struct net_offload *ops; u8 proto = NAPI_GRO_CB(skb)->proto; int err = -ENOSYS; + const struct net_offload **offloads; rcu_read_lock(); + offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads; ops = rcu_dereference(offloads[proto]); if (WARN_ON(!ops || !ops->callbacks.gro_complete)) goto out_unlock; @@ -105,28 +107,6 @@ out_unlock: return err; } -static struct sk_buff **fou4_gro_receive(struct sk_buff **head, - struct sk_buff *skb) -{ - return fou_gro_receive(head, skb, inet_offloads); -} - -static int fou4_gro_complete(struct sk_buff *skb, int nhoff) -{ - return fou_gro_complete(skb, nhoff, inet_offloads); -} - -static struct sk_buff **fou6_gro_receive(struct sk_buff **head, - struct sk_buff *skb) -{ - return fou_gro_receive(head, skb, inet6_offloads); -} - -static int fou6_gro_complete(struct sk_buff *skb, int nhoff) -{ - return fou_gro_complete(skb, nhoff, inet6_offloads); -} - static int fou_add_to_port_list(struct fou *fou) { struct fou *fout; @@ -199,20 +179,8 @@ static int fou_create(struct net *net, struct fou_cfg *cfg, sk->sk_allocation = GFP_ATOMIC; - switch (cfg->udp_config.family) { - case AF_INET: - fou->udp_offloads.callbacks.gro_receive = fou4_gro_receive; - fou->udp_offloads.callbacks.gro_complete = fou4_gro_complete; - break; - case AF_INET6: - fou->udp_offloads.callbacks.gro_receive = fou6_gro_receive; - fou->udp_offloads.callbacks.gro_complete = fou6_gro_complete; - break; - default: - err = -EPFNOSUPPORT; - goto error; - } - + fou->udp_offloads.callbacks.gro_receive = fou_gro_receive; + fou->udp_offloads.callbacks.gro_complete = fou_gro_complete; fou->udp_offloads.port = cfg->udp_config.local_udp_port; fou->udp_offloads.ipproto = cfg->protocol; diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 8c35f2c939ee..507310ef4b56 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -334,6 +334,7 @@ static struct sk_buff **udp4_gro_receive(struct sk_buff **head, skb_gro_checksum_try_convert(skb, IPPROTO_UDP, uh->check, inet_gro_compute_pseudo); skip: + NAPI_GRO_CB(skb)->is_ipv6 = 0; return udp_gro_receive(head, skb, uh); flush: diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c index 8f96988c1db2..6b8f543f6ac6 100644 --- a/net/ipv6/udp_offload.c +++ b/net/ipv6/udp_offload.c @@ -140,6 +140,7 @@ static struct sk_buff **udp6_gro_receive(struct sk_buff **head, ip6_gro_compute_pseudo); skip: + NAPI_GRO_CB(skb)->is_ipv6 = 1; return udp_gro_receive(head, skb, uh); flush: |