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net: Remove code duplication between offload structures

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Move the offload callbacks into its own structure.

Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich
2012-11-15 08:49:23 +00:00
committed by David S. Miller
parent c6b641a4c6
commit f191a1d17f
7 changed files with 66 additions and 54 deletions
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28
net/ipv6/ip6_offload.c
View File

@@ -70,9 +70,9 @@ static int ipv6_gso_send_check(struct sk_buff *skb)
ops = rcu_dereference(inet6_offloads[
ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr)]);
if (likely(ops && ops->gso_send_check)) {
if (likely(ops && ops->callbacks.gso_send_check)) {
skb_reset_transport_header(skb);
err = ops->gso_send_check(skb);
err = ops->callbacks.gso_send_check(skb);
}
rcu_read_unlock();
@@ -113,9 +113,9 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
proto = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr);
rcu_read_lock();
ops = rcu_dereference(inet6_offloads[proto]);
if (likely(ops && ops->gso_segment)) {
if (likely(ops && ops->callbacks.gso_segment)) {
skb_reset_transport_header(skb);
segs = ops->gso_segment(skb, features);
segs = ops->callbacks.gso_segment(skb, features);
}
rcu_read_unlock();
@@ -173,7 +173,7 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
rcu_read_lock();
proto = iph->nexthdr;
ops = rcu_dereference(inet6_offloads[proto]);
if (!ops || !ops->gro_receive) {
if (!ops || !ops->callbacks.gro_receive) {
__pskb_pull(skb, skb_gro_offset(skb));
proto = ipv6_gso_pull_exthdrs(skb, proto);
skb_gro_pull(skb, -skb_transport_offset(skb));
@@ -181,7 +181,7 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
__skb_push(skb, skb_gro_offset(skb));
ops = rcu_dereference(inet6_offloads[proto]);
if (!ops || !ops->gro_receive)
if (!ops || !ops->callbacks.gro_receive)
goto out_unlock;
iph = ipv6_hdr(skb);
@@ -220,7 +220,7 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
csum = skb->csum;
skb_postpull_rcsum(skb, iph, skb_network_header_len(skb));
pp = ops->gro_receive(head, skb);
pp = ops->callbacks.gro_receive(head, skb);
skb->csum = csum;
@@ -244,10 +244,10 @@ static int ipv6_gro_complete(struct sk_buff *skb)
rcu_read_lock();
ops = rcu_dereference(inet6_offloads[NAPI_GRO_CB(skb)->proto]);
if (WARN_ON(!ops || !ops->gro_complete))
if (WARN_ON(!ops || !ops->callbacks.gro_complete))
goto out_unlock;
err = ops->gro_complete(skb);
err = ops->callbacks.gro_complete(skb);
out_unlock:
rcu_read_unlock();
@@ -257,10 +257,12 @@ out_unlock:
static struct packet_offload ipv6_packet_offload __read_mostly = {
.type = cpu_to_be16(ETH_P_IPV6),
.gso_send_check = ipv6_gso_send_check,
.gso_segment = ipv6_gso_segment,
.gro_receive = ipv6_gro_receive,
.gro_complete = ipv6_gro_complete,
.callbacks = {
.gso_send_check = ipv6_gso_send_check,
.gso_segment = ipv6_gso_segment,
.gro_receive = ipv6_gro_receive,
.gro_complete = ipv6_gro_complete,
},
};
static int __init ipv6_offload_init(void)

10
net/ipv6/tcpv6_offload.c
View File

@@ -81,10 +81,12 @@ static int tcp6_gro_complete(struct sk_buff *skb)
}
static const struct net_offload tcpv6_offload = {
.gso_send_check = tcp_v6_gso_send_check,
.gso_segment = tcp_tso_segment,
.gro_receive = tcp6_gro_receive,
.gro_complete = tcp6_gro_complete,
.callbacks = {
.gso_send_check = tcp_v6_gso_send_check,
.gso_segment = tcp_tso_segment,
.gro_receive = tcp6_gro_receive,
.gro_complete = tcp6_gro_complete,
},
};
int __init tcpv6_offload_init(void)

6
net/ipv6/udp_offload.c
View File

@@ -107,8 +107,10 @@ out:
return segs;
}
static const struct net_offload udpv6_offload = {
.gso_send_check = udp6_ufo_send_check,
.gso_segment = udp6_ufo_fragment,
.callbacks = {
.gso_send_check = udp6_ufo_send_check,
.gso_segment = udp6_ufo_fragment,
},
};
int __init udp_offload_init(void)