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bgpd: use memcmp to check bgp marker

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performance

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2017-06-01 16:20:58 +00:00
parent 958b450c69
commit 442c9afbd2
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GPG Key ID: DAF48E0F57E0834F
1 changed files with 9 additions and 7 deletions
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16
bgpd/bgp_io.c
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@ -522,13 +522,15 @@ static bool validate_header(struct peer *peer)
{ {
u_int16_t size, type; u_int16_t size, type;
/* Marker check */ static uint8_t marker[BGP_MARKER_SIZE] = {
for (int i = 0; i < BGP_MARKER_SIZE; i++) 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
if (peer->ibuf_work->data[i] != 0xff) { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
bgp_notify_send(peer, BGP_NOTIFY_HEADER_ERR,
BGP_NOTIFY_HEADER_NOT_SYNC); if (memcmp(marker, peer->ibuf_work->data, BGP_MARKER_SIZE) != 0) {
return false; bgp_notify_send(peer, BGP_NOTIFY_HEADER_ERR,
} BGP_NOTIFY_HEADER_NOT_SYNC);
return false;
}
/* Get size and type. */ /* Get size and type. */
size = stream_getw_from(peer->ibuf_work, BGP_MARKER_SIZE); size = stream_getw_from(peer->ibuf_work, BGP_MARKER_SIZE);