inet: prepare struct net for TCP MIB accounting
This is the same as the first patch in the set, but preparing the net for TCP_XXX_STATS - save the struct net on the stack where required and possible. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
c5346fe396
commit
a86b1e3019
|
@ -544,6 +544,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
|
|||
#ifdef CONFIG_TCP_MD5SIG
|
||||
struct tcp_md5sig_key *key;
|
||||
#endif
|
||||
struct net *net;
|
||||
|
||||
/* Never send a reset in response to a reset. */
|
||||
if (th->rst)
|
||||
|
@ -594,7 +595,8 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
|
|||
sizeof(struct tcphdr), IPPROTO_TCP, 0);
|
||||
arg.csumoffset = offsetof(struct tcphdr, check) / 2;
|
||||
|
||||
ip_send_reply(dev_net(skb->dst->dev)->ipv4.tcp_sock, skb,
|
||||
net = dev_net(skb->dst->dev);
|
||||
ip_send_reply(net->ipv4.tcp_sock, skb,
|
||||
&arg, arg.iov[0].iov_len);
|
||||
|
||||
TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
|
||||
|
@ -619,6 +621,7 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack,
|
|||
];
|
||||
} rep;
|
||||
struct ip_reply_arg arg;
|
||||
struct net *net = dev_net(skb->dev);
|
||||
|
||||
memset(&rep.th, 0, sizeof(struct tcphdr));
|
||||
memset(&arg, 0, sizeof(arg));
|
||||
|
@ -668,7 +671,7 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack,
|
|||
if (oif)
|
||||
arg.bound_dev_if = oif;
|
||||
|
||||
ip_send_reply(dev_net(skb->dev)->ipv4.tcp_sock, skb,
|
||||
ip_send_reply(net->ipv4.tcp_sock, skb,
|
||||
&arg, arg.iov[0].iov_len);
|
||||
|
||||
TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
|
||||
|
@ -1505,6 +1508,7 @@ int tcp_v4_rcv(struct sk_buff *skb)
|
|||
struct tcphdr *th;
|
||||
struct sock *sk;
|
||||
int ret;
|
||||
struct net *net = dev_net(skb->dev);
|
||||
|
||||
if (skb->pkt_type != PACKET_HOST)
|
||||
goto discard_it;
|
||||
|
@ -1539,7 +1543,7 @@ int tcp_v4_rcv(struct sk_buff *skb)
|
|||
TCP_SKB_CB(skb)->flags = iph->tos;
|
||||
TCP_SKB_CB(skb)->sacked = 0;
|
||||
|
||||
sk = __inet_lookup(dev_net(skb->dev), &tcp_hashinfo, iph->saddr,
|
||||
sk = __inet_lookup(net, &tcp_hashinfo, iph->saddr,
|
||||
th->source, iph->daddr, th->dest, inet_iif(skb));
|
||||
if (!sk)
|
||||
goto no_tcp_socket;
|
||||
|
|
|
@ -1617,6 +1617,7 @@ static int tcp_v6_rcv(struct sk_buff *skb)
|
|||
struct tcphdr *th;
|
||||
struct sock *sk;
|
||||
int ret;
|
||||
struct net *net = dev_net(skb->dev);
|
||||
|
||||
if (skb->pkt_type != PACKET_HOST)
|
||||
goto discard_it;
|
||||
|
@ -1648,7 +1649,7 @@ static int tcp_v6_rcv(struct sk_buff *skb)
|
|||
TCP_SKB_CB(skb)->flags = ipv6_get_dsfield(ipv6_hdr(skb));
|
||||
TCP_SKB_CB(skb)->sacked = 0;
|
||||
|
||||
sk = __inet6_lookup(dev_net(skb->dev), &tcp_hashinfo,
|
||||
sk = __inet6_lookup(net, &tcp_hashinfo,
|
||||
&ipv6_hdr(skb)->saddr, th->source,
|
||||
&ipv6_hdr(skb)->daddr, ntohs(th->dest),
|
||||
inet6_iif(skb));
|
||||
|
|
Loading…
Reference in New Issue