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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

28
net/ipv6/af_inet6.c
View File

@@ -185,7 +185,7 @@ lookup_protocol:
inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0;
if (SOCK_RAW == sock->type) {
inet->num = protocol;
inet->inet_num = protocol;
if (IPPROTO_RAW == protocol)
inet->hdrincl = 1;
}
@@ -228,12 +228,12 @@ lookup_protocol:
*/
sk_refcnt_debug_inc(sk);
if (inet->num) {
if (inet->inet_num) {
/* It assumes that any protocol which allows
* the user to assign a number at socket
* creation time automatically shares.
*/
inet->sport = htons(inet->num);
inet->inet_sport = htons(inet->inet_num);
sk->sk_prot->hash(sk);
}
if (sk->sk_prot->init) {
@@ -281,7 +281,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
lock_sock(sk);
/* Check these errors (active socket, double bind). */
if (sk->sk_state != TCP_CLOSE || inet->num) {
if (sk->sk_state != TCP_CLOSE || inet->inet_num) {
err = -EINVAL;
goto out;
}
@@ -353,8 +353,8 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
}
}
inet->rcv_saddr = v4addr;
inet->saddr = v4addr;
inet->inet_rcv_saddr = v4addr;
inet->inet_saddr = v4addr;
ipv6_addr_copy(&np->rcv_saddr, &addr->sin6_addr);
@@ -375,9 +375,9 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
}
if (snum)
sk->sk_userlocks |= SOCK_BINDPORT_LOCK;
inet->sport = htons(inet->num);
inet->dport = 0;
inet->daddr = 0;
inet->inet_sport = htons(inet->inet_num);
inet->inet_dport = 0;
inet->inet_daddr = 0;
out:
release_sock(sk);
return err;
@@ -441,12 +441,12 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
sin->sin6_flowinfo = 0;
sin->sin6_scope_id = 0;
if (peer) {
if (!inet->dport)
if (!inet->inet_dport)
return -ENOTCONN;
if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_SYN_SENT)) &&
peer == 1)
return -ENOTCONN;
sin->sin6_port = inet->dport;
sin->sin6_port = inet->inet_dport;
ipv6_addr_copy(&sin->sin6_addr, &np->daddr);
if (np->sndflow)
sin->sin6_flowinfo = np->flow_label;
@@ -456,7 +456,7 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
else
ipv6_addr_copy(&sin->sin6_addr, &np->rcv_saddr);
sin->sin6_port = inet->sport;
sin->sin6_port = inet->inet_sport;
}
if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL)
sin->sin6_scope_id = sk->sk_bound_dev_if;
@@ -655,8 +655,8 @@ int inet6_sk_rebuild_header(struct sock *sk)
fl.fl6_flowlabel = np->flow_label;
fl.oif = sk->sk_bound_dev_if;
fl.mark = sk->sk_mark;
fl.fl_ip_dport = inet->dport;
fl.fl_ip_sport = inet->sport;
fl.fl_ip_dport = inet->inet_dport;
fl.fl_ip_sport = inet->inet_sport;
security_sk_classify_flow(sk, &fl);
if (np->opt && np->opt->srcrt) {