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| author | Vlad Yasevich <vyasevic@redhat.com> | 2012-11-15 08:49:14 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-15 17:36:17 -0500 |
| commit | bca49f843eac59cbb1ddd1f4a5d65fcc23b62efd (patch) | |
| tree | b3b0e256222b968854154c90ab32bf42b640d1c5 /net/ipv4/af_inet.c | |
| parent | 8ca896cfdd17f32f5aa2747644733ebf3725360d (diff) | |
| download | lwn-bca49f843eac59cbb1ddd1f4a5d65fcc23b62efd.tar.gz lwn-bca49f843eac59cbb1ddd1f4a5d65fcc23b62efd.zip | |
ipv4: Switch to using the new offload infrastructure.
Switch IPv4 code base to using the new GRO/GSO calls and data.
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/af_inet.c')
| -rw-r--r-- | net/ipv4/af_inet.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 3918d869d6d4..66f63ce07ac8 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1251,7 +1251,7 @@ EXPORT_SYMBOL(inet_sk_rebuild_header); static int inet_gso_send_check(struct sk_buff *skb) { - const struct net_protocol *ops; + const struct net_offload *ops; const struct iphdr *iph; int proto; int ihl; @@ -1275,7 +1275,7 @@ static int inet_gso_send_check(struct sk_buff *skb) err = -EPROTONOSUPPORT; rcu_read_lock(); - ops = rcu_dereference(inet_protos[proto]); + ops = rcu_dereference(inet_offloads[proto]); if (likely(ops && ops->gso_send_check)) err = ops->gso_send_check(skb); rcu_read_unlock(); @@ -1288,7 +1288,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, netdev_features_t features) { struct sk_buff *segs = ERR_PTR(-EINVAL); - const struct net_protocol *ops; + const struct net_offload *ops; struct iphdr *iph; int proto; int ihl; @@ -1325,7 +1325,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, segs = ERR_PTR(-EPROTONOSUPPORT); rcu_read_lock(); - ops = rcu_dereference(inet_protos[proto]); + ops = rcu_dereference(inet_offloads[proto]); if (likely(ops && ops->gso_segment)) segs = ops->gso_segment(skb, features); rcu_read_unlock(); @@ -1356,7 +1356,7 @@ out: static struct sk_buff **inet_gro_receive(struct sk_buff **head, struct sk_buff *skb) { - const struct net_protocol *ops; + const struct net_offload *ops; struct sk_buff **pp = NULL; struct sk_buff *p; const struct iphdr *iph; @@ -1378,7 +1378,7 @@ static struct sk_buff **inet_gro_receive(struct sk_buff **head, proto = iph->protocol; rcu_read_lock(); - ops = rcu_dereference(inet_protos[proto]); + ops = rcu_dereference(inet_offloads[proto]); if (!ops || !ops->gro_receive) goto out_unlock; @@ -1435,7 +1435,7 @@ static int inet_gro_complete(struct sk_buff *skb) { __be16 newlen = htons(skb->len - skb_network_offset(skb)); struct iphdr *iph = ip_hdr(skb); - const struct net_protocol *ops; + const struct net_offload *ops; int proto = iph->protocol; int err = -ENOSYS; @@ -1443,7 +1443,7 @@ static int inet_gro_complete(struct sk_buff *skb) iph->tot_len = newlen; rcu_read_lock(); - ops = rcu_dereference(inet_protos[proto]); + ops = rcu_dereference(inet_offloads[proto]); if (WARN_ON(!ops || !ops->gro_complete)) goto out_unlock; @@ -1558,10 +1558,6 @@ static const struct net_protocol tcp_protocol = { .early_demux = tcp_v4_early_demux, .handler = tcp_v4_rcv, .err_handler = tcp_v4_err, - .gso_send_check = tcp_v4_gso_send_check, - .gso_segment = tcp_tso_segment, - .gro_receive = tcp4_gro_receive, - .gro_complete = tcp4_gro_complete, .no_policy = 1, .netns_ok = 1, }; @@ -1576,8 +1572,6 @@ static const struct net_offload tcp_offload = { static const struct net_protocol udp_protocol = { .handler = udp_rcv, .err_handler = udp_err, - .gso_send_check = udp4_ufo_send_check, - .gso_segment = udp4_ufo_fragment, .no_policy = 1, .netns_ok = 1, }; @@ -1726,6 +1720,14 @@ static int __init inet_init(void) tcp_prot.sysctl_mem = init_net.ipv4.sysctl_tcp_mem; /* + * Add offloads + */ + if (inet_add_offload(&udp_offload, IPPROTO_UDP) < 0) + pr_crit("%s: Cannot add UDP protocol offload\n", __func__); + if (inet_add_offload(&tcp_offload, IPPROTO_TCP) < 0) + pr_crit("%s: Cannot add TCP protocol offlaod\n", __func__); + + /* * Add all the base protocols. */ |