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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

24
net/ipv6/udp.c
View File

@@ -53,7 +53,7 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
{
const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
__be32 sk_rcv_saddr = inet_sk(sk)->rcv_saddr;
__be32 sk1_rcv_saddr = inet_sk(sk)->inet_rcv_saddr;
__be32 sk2_rcv_saddr = inet_rcv_saddr(sk2);
int sk_ipv6only = ipv6_only_sock(sk);
int sk2_ipv6only = inet_v6_ipv6only(sk2);
@@ -63,8 +63,8 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
/* if both are mapped, treat as IPv4 */
if (addr_type == IPV6_ADDR_MAPPED && addr_type2 == IPV6_ADDR_MAPPED)
return (!sk2_ipv6only &&
(!sk_rcv_saddr || !sk2_rcv_saddr ||
sk_rcv_saddr == sk2_rcv_saddr));
(!sk1_rcv_saddr || !sk2_rcv_saddr ||
sk1_rcv_saddr == sk2_rcv_saddr));
if (addr_type2 == IPV6_ADDR_ANY &&
!(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
@@ -100,8 +100,8 @@ static inline int compute_score(struct sock *sk, struct net *net,
struct inet_sock *inet = inet_sk(sk);
score = 0;
if (inet->dport) {
if (inet->dport != sport)
if (inet->inet_dport) {
if (inet->inet_dport != sport)
return -1;
score++;
}
@@ -417,8 +417,8 @@ static struct sock *udp_v6_mcast_next(struct net *net, struct sock *sk,
if (s->sk_hash == num && s->sk_family == PF_INET6) {
struct ipv6_pinfo *np = inet6_sk(s);
if (inet->dport) {
if (inet->dport != rmt_port)
if (inet->inet_dport) {
if (inet->inet_dport != rmt_port)
continue;
}
if (!ipv6_addr_any(&np->daddr) &&
@@ -792,7 +792,7 @@ int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
if (ipv6_addr_v4mapped(daddr)) {
struct sockaddr_in sin;
sin.sin_family = AF_INET;
sin.sin_port = sin6 ? sin6->sin6_port : inet->dport;
sin.sin_port = sin6 ? sin6->sin6_port : inet->inet_dport;
sin.sin_addr.s_addr = daddr->s6_addr32[3];
msg->msg_name = &sin;
msg->msg_namelen = sizeof(sin);
@@ -865,7 +865,7 @@ do_udp_sendmsg:
if (sk->sk_state != TCP_ESTABLISHED)
return -EDESTADDRREQ;
fl.fl_ip_dport = inet->dport;
fl.fl_ip_dport = inet->inet_dport;
daddr = &np->daddr;
fl.fl6_flowlabel = np->flow_label;
connected = 1;
@@ -911,7 +911,7 @@ do_udp_sendmsg:
fl.fl6_dst.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.fl_ip_sport = inet->sport;
fl.fl_ip_sport = inet->inet_sport;
/* merge ip6_build_xmit from ip6_output */
if (opt && opt->srcrt) {
@@ -1192,8 +1192,8 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
dest = &np->daddr;
src = &np->rcv_saddr;
destp = ntohs(inet->dport);
srcp = ntohs(inet->sport);
destp = ntohs(inet->inet_dport);
srcp = ntohs(inet->inet_sport);
seq_printf(seq,
"%5d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
"%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",