[NET] NETNS: Omit sock->sk_net without CONFIG_NET_NS.
Introduce per-sock inlines: sock_net(), sock_net_set()
and per-inet_timewait_sock inlines: twsk_net(), twsk_net_set().
Without CONFIG_NET_NS, no namespace other than &init_net exists.
Let's explicitly define them to help compiler optimizations.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 8756d50..be19a40 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -117,7 +117,7 @@
sk_for_each_from(sk, node) {
struct inet_sock *inet = inet_sk(sk);
- if (sk->sk_net == net && inet->num == num &&
+ if (sock_net(sk) == net && inet->num == num &&
!(inet->daddr && inet->daddr != raddr) &&
!(inet->rcv_saddr && inet->rcv_saddr != laddr) &&
!(sk->sk_bound_dev_if && sk->sk_bound_dev_if != dif))
@@ -499,7 +499,7 @@
ipc.oif = sk->sk_bound_dev_if;
if (msg->msg_controllen) {
- err = ip_cmsg_send(sk->sk_net, msg, &ipc);
+ err = ip_cmsg_send(sock_net(sk), msg, &ipc);
if (err)
goto out;
if (ipc.opt)
@@ -553,7 +553,7 @@
}
security_sk_classify_flow(sk, &fl);
- err = ip_route_output_flow(sk->sk_net, &rt, &fl, sk, 1);
+ err = ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 1);
}
if (err)
goto done;
@@ -620,7 +620,7 @@
if (sk->sk_state != TCP_CLOSE || addr_len < sizeof(struct sockaddr_in))
goto out;
- chk_addr_ret = inet_addr_type(sk->sk_net, addr->sin_addr.s_addr);
+ chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
ret = -EADDRNOTAVAIL;
if (addr->sin_addr.s_addr && chk_addr_ret != RTN_LOCAL &&
chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST)
@@ -856,7 +856,7 @@
struct hlist_node *node;
sk_for_each(sk, node, &state->h->ht[state->bucket])
- if (sk->sk_net == state->p.net)
+ if (sock_net(sk) == state->p.net)
goto found;
}
sk = NULL;
@@ -872,7 +872,7 @@
sk = sk_next(sk);
try_again:
;
- } while (sk && sk->sk_net != state->p.net);
+ } while (sk && sock_net(sk) != state->p.net);
if (!sk && ++state->bucket < RAW_HTABLE_SIZE) {
sk = sk_head(&state->h->ht[state->bucket]);