diff options
Diffstat (limited to 'net/ipv4/udp_offload.c')
| -rw-r--r-- | net/ipv4/udp_offload.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index f9386160cbee..4c519c1dc161 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -21,6 +21,7 @@ static struct udp_offload_priv __rcu *udp_offload_base __read_mostly; struct udp_offload_priv { struct udp_offload *offload; + possible_net_t net; struct rcu_head rcu; struct udp_offload_priv __rcu *next; }; @@ -60,8 +61,9 @@ static struct sk_buff *__skb_udp_tunnel_segment(struct sk_buff *skb, /* Try to offload checksum if possible */ offload_csum = !!(need_csum && - (skb->dev->features & - (is_ipv6 ? NETIF_F_V6_CSUM : NETIF_F_V4_CSUM))); + ((skb->dev->features & NETIF_F_HW_CSUM) || + (skb->dev->features & (is_ipv6 ? + NETIF_F_IPV6_CSUM : NETIF_F_IP_CSUM)))); /* segment inner packet. */ enc_features = skb->dev->hw_enc_features & features; @@ -241,13 +243,14 @@ out: return segs; } -int udp_add_offload(struct udp_offload *uo) +int udp_add_offload(struct net *net, struct udp_offload *uo) { struct udp_offload_priv *new_offload = kzalloc(sizeof(*new_offload), GFP_ATOMIC); if (!new_offload) return -ENOMEM; + write_pnet(&new_offload->net, net); new_offload->offload = uo; spin_lock(&udp_offload_lock); @@ -311,7 +314,8 @@ struct sk_buff **udp_gro_receive(struct sk_buff **head, struct sk_buff *skb, rcu_read_lock(); uo_priv = rcu_dereference(udp_offload_base); for (; uo_priv != NULL; uo_priv = rcu_dereference(uo_priv->next)) { - if (uo_priv->offload->port == uh->dest && + if (net_eq(read_pnet(&uo_priv->net), dev_net(skb->dev)) && + uo_priv->offload->port == uh->dest && uo_priv->offload->callbacks.gro_receive) goto unflush; } @@ -389,7 +393,8 @@ int udp_gro_complete(struct sk_buff *skb, int nhoff) uo_priv = rcu_dereference(udp_offload_base); for (; uo_priv != NULL; uo_priv = rcu_dereference(uo_priv->next)) { - if (uo_priv->offload->port == uh->dest && + if (net_eq(read_pnet(&uo_priv->net), dev_net(skb->dev)) && + uo_priv->offload->port == uh->dest && uo_priv->offload->callbacks.gro_complete) break; } |