lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

inet: rename some inet_sock fields

Browse Source 
In order to have better cache layouts of struct sock (separate zones
for rx/tx paths), we need this preliminary patch.

Goal is to transfert fields used at lookup time in the first
read-mostly cache line (inside struct sock_common) and move sk_refcnt
to a separate cache line (only written by rx path)

This patch adds inet_ prefix to daddr, rcv_saddr, dport, num, saddr,
sport and id fields. This allows a future patch to define these
fields as macros, like sk_refcnt, without name clashes.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2009-10-15 06:30:45 +00:00
committed by David S. Miller
parent 988ade6b8e
commit c720c7e838
47 changed files with 408 additions and 388 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
net/ipv4/datagram.c
View File

@@ -39,7 +39,7 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
sk_dst_reset(sk);
oif = sk->sk_bound_dev_if;
saddr = inet->saddr;
saddr = inet->inet_saddr;
if (ipv4_is_multicast(usin->sin_addr.s_addr)) {
if (!oif)
oif = inet->mc_index;
@@ -49,7 +49,7 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
err = ip_route_connect(&rt, usin->sin_addr.s_addr, saddr,
RT_CONN_FLAGS(sk), oif,
sk->sk_protocol,
inet->sport, usin->sin_port, sk, 1);
inet->inet_sport, usin->sin_port, sk, 1);
if (err) {
if (err == -ENETUNREACH)
IP_INC_STATS_BH(sock_net(sk), IPSTATS_MIB_OUTNOROUTES);
@@ -60,14 +60,14 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
ip_rt_put(rt);
return -EACCES;
}
if (!inet->saddr)
inet->saddr = rt->rt_src; /* Update source address */
if (!inet->rcv_saddr)
inet->rcv_saddr = rt->rt_src;
inet->daddr = rt->rt_dst;
inet->dport = usin->sin_port;
if (!inet->inet_saddr)
inet->inet_saddr = rt->rt_src; /* Update source address */
if (!inet->inet_rcv_saddr)
inet->inet_rcv_saddr = rt->rt_src;
inet->inet_daddr = rt->rt_dst;
inet->inet_dport = usin->sin_port;
sk->sk_state = TCP_ESTABLISHED;
inet->id = jiffies;
inet->inet_id = jiffies;
sk_dst_set(sk, &rt->u.dst);
return(0);