From a61bbcf28a8cb0ba56f8193d512f7222e711a294 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Sun, 14 Aug 2005 17:24:31 -0700 Subject: [NET]: Store skb->timestamp as offset to a base timestamp Reduces skb size by 8 bytes on 64-bit. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/sctp/input.c | 4 ++-- net/sctp/sm_make_chunk.c | 9 +++++---- 2 files changed, 7 insertions(+), 6 deletions(-) (limited to 'net/sctp') diff --git a/net/sctp/input.c b/net/sctp/input.c index 742be91..28f3224 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -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); } diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 00d32b7..3868a8d 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -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, -- cgit v1.1