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inet: rename some inet_sock fields

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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

8
net/ipv4/ip_sockglue.c
View File

@@ -245,7 +245,7 @@ int ip_ra_control(struct sock *sk, unsigned char on,
{
struct ip_ra_chain *ra, *new_ra, **rap;
if (sk->sk_type != SOCK_RAW || inet_sk(sk)->num == IPPROTO_RAW)
if (sk->sk_type != SOCK_RAW || inet_sk(sk)->inet_num == IPPROTO_RAW)
return -EINVAL;
new_ra = on ? kmalloc(sizeof(*new_ra), GFP_KERNEL) : NULL;
@@ -492,7 +492,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
if (sk->sk_family == PF_INET ||
(!((1 << sk->sk_state) &
(TCPF_LISTEN | TCPF_CLOSE)) &&
inet->daddr != LOOPBACK4_IPV6)) {
inet->inet_daddr != LOOPBACK4_IPV6)) {
#endif
if (inet->opt)
icsk->icsk_ext_hdr_len -= inet->opt->optlen;
@@ -1181,8 +1181,8 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
if (inet->cmsg_flags & IP_CMSG_PKTINFO) {
struct in_pktinfo info;
info.ipi_addr.s_addr = inet->rcv_saddr;
info.ipi_spec_dst.s_addr = inet->rcv_saddr;
info.ipi_addr.s_addr = inet->inet_rcv_saddr;
info.ipi_spec_dst.s_addr = inet->inet_rcv_saddr;
info.ipi_ifindex = inet->mc_index;
put_cmsg(&msg, SOL_IP, IP_PKTINFO, sizeof(info), &info);
}