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[NET]: Store skb->timestamp as offset to a base timestamp

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Reduces skb size by 8 bytes on 64-bit.

Signed-off-by: Patrick McHardy <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Patrick McHardy 2005-08-14 17:24:31 -07:00 • committed by David S. Miller
commit a61bbcf28a
39 changed files with 172 additions and 88 deletions
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4
net/sctp/input.c
View file

@ -236,8 +236,8 @@ int sctp_rcv(struct sk_buff *skb)
}
/* SCTP seems to always need a timestamp right now (FIXME) */
if (skb->stamp.tv_sec == 0) {
do_gettimeofday(&skb->stamp);
if (skb->tstamp.off_sec == 0) {
__net_timestamp(skb);
sock_enable_timestamp(sk);
}

9
net/sctp/sm_make_chunk.c
View file

@ -1362,6 +1362,7 @@ struct sctp_association *sctp_unpack_cookie(
char *key;
sctp_scope_t scope;
struct sk_buff *skb = chunk->skb;
struct timeval tv;
headersize = sizeof(sctp_chunkhdr_t) + SCTP_SECRET_SIZE;
bodysize = ntohs(chunk->chunk_hdr->length) - headersize;
@ -1434,7 +1435,8 @@ no_hmac:
* an association, there is no need to check cookie's expiration
* for init collision case of lost COOKIE ACK.
*/
if (!asoc && tv_lt(bear_cookie->expiration, skb->stamp)) {
skb_get_timestamp(skb, &tv);
if (!asoc && tv_lt(bear_cookie->expiration, tv)) {
__u16 len;
/*
* Section 3.3.10.3 Stale Cookie Error (3)
@ -1447,10 +1449,9 @@ no_hmac:
len = ntohs(chunk->chunk_hdr->length);
*errp = sctp_make_op_error_space(asoc, chunk, len);
if (*errp) {
suseconds_t usecs = (skb->stamp.tv_sec -
suseconds_t usecs = (tv.tv_sec -
bear_cookie->expiration.tv_sec) * 1000000L +
skb->stamp.tv_usec -
bear_cookie->expiration.tv_usec;
tv.tv_usec - bear_cookie->expiration.tv_usec;
usecs = htonl(usecs);
sctp_init_cause(*errp, SCTP_ERROR_STALE_COOKIE,