inet: rename some inet_sock fields
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>
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index fd737ef..52ed7d7 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -72,7 +72,7 @@
int is_multicast = ipv6_addr_is_multicast(loc_addr);
sk_for_each_from(sk, node)
- if (inet_sk(sk)->num == num) {
+ if (inet_sk(sk)->inet_num == num) {
struct ipv6_pinfo *np = inet6_sk(sk);
if (!net_eq(sock_net(sk), net))
@@ -298,7 +298,7 @@
dev_put(dev);
}
- inet->rcv_saddr = inet->saddr = v4addr;
+ inet->inet_rcv_saddr = inet->inet_saddr = v4addr;
ipv6_addr_copy(&np->rcv_saddr, &addr->sin6_addr);
if (!(addr_type & IPV6_ADDR_MULTICAST))
ipv6_addr_copy(&np->saddr, &addr->sin6_addr);
@@ -415,14 +415,14 @@
skb_network_header_len(skb));
if (!csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
&ipv6_hdr(skb)->daddr,
- skb->len, inet->num, skb->csum))
+ skb->len, inet->inet_num, skb->csum))
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
if (!skb_csum_unnecessary(skb))
skb->csum = ~csum_unfold(csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
&ipv6_hdr(skb)->daddr,
skb->len,
- inet->num, 0));
+ inet->inet_num, 0));
if (inet->hdrincl) {
if (skb_checksum_complete(skb)) {
@@ -765,8 +765,8 @@
proto = ntohs(sin6->sin6_port);
if (!proto)
- proto = inet->num;
- else if (proto != inet->num)
+ proto = inet->inet_num;
+ else if (proto != inet->inet_num)
return(-EINVAL);
if (proto > 255)
@@ -799,7 +799,7 @@
if (sk->sk_state != TCP_ESTABLISHED)
return -EDESTADDRREQ;
- proto = inet->num;
+ proto = inet->inet_num;
daddr = &np->daddr;
fl.fl6_flowlabel = np->flow_label;
}
@@ -966,7 +966,7 @@
switch (optname) {
case IPV6_CHECKSUM:
- if (inet_sk(sk)->num == IPPROTO_ICMPV6 &&
+ if (inet_sk(sk)->inet_num == IPPROTO_ICMPV6 &&
level == IPPROTO_IPV6) {
/*
* RFC3542 tells that IPV6_CHECKSUM socket
@@ -1006,7 +1006,7 @@
break;
case SOL_ICMPV6:
- if (inet_sk(sk)->num != IPPROTO_ICMPV6)
+ if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
return -EOPNOTSUPP;
return rawv6_seticmpfilter(sk, level, optname, optval,
optlen);
@@ -1029,7 +1029,7 @@
case SOL_RAW:
break;
case SOL_ICMPV6:
- if (inet_sk(sk)->num != IPPROTO_ICMPV6)
+ if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
return -EOPNOTSUPP;
return rawv6_seticmpfilter(sk, level, optname, optval, optlen);
case SOL_IPV6:
@@ -1086,7 +1086,7 @@
break;
case SOL_ICMPV6:
- if (inet_sk(sk)->num != IPPROTO_ICMPV6)
+ if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
return -EOPNOTSUPP;
return rawv6_geticmpfilter(sk, level, optname, optval,
optlen);
@@ -1109,7 +1109,7 @@
case SOL_RAW:
break;
case SOL_ICMPV6:
- if (inet_sk(sk)->num != IPPROTO_ICMPV6)
+ if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
return -EOPNOTSUPP;
return rawv6_geticmpfilter(sk, level, optname, optval, optlen);
case SOL_IPV6:
@@ -1156,7 +1156,7 @@
static void rawv6_close(struct sock *sk, long timeout)
{
- if (inet_sk(sk)->num == IPPROTO_RAW)
+ if (inet_sk(sk)->inet_num == IPPROTO_RAW)
ip6_ra_control(sk, -1);
ip6mr_sk_done(sk);
sk_common_release(sk);
@@ -1175,7 +1175,7 @@
{
struct raw6_sock *rp = raw6_sk(sk);
- switch (inet_sk(sk)->num) {
+ switch (inet_sk(sk)->inet_num) {
case IPPROTO_ICMPV6:
rp->checksum = 1;
rp->offset = 2;
@@ -1225,7 +1225,7 @@
dest = &np->daddr;
src = &np->rcv_saddr;
destp = 0;
- srcp = inet_sk(sp)->num;
+ srcp = inet_sk(sp)->inet_num;
seq_printf(seq,
"%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
"%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",