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authorVlad Yasevich2012-11-15 08:49:14 +0000
committerDavid S. Miller2012-11-15 17:36:17 -0500
commitbca49f843eac59cbb1ddd1f4a5d65fcc23b62efd (patch)
treeb3b0e256222b968854154c90ab32bf42b640d1c5 /net/ipv4
parent8ca896cfdd17f32f5aa2747644733ebf3725360d (diff)
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')
-rw-r--r--net/ipv4/af_inet.c30
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.
*/