bgpd: Use time since epoch for timestamps for bmp updates

RFC states that time should be in seconds since the epoch.
The code was using system uptime in seconds.

Fixes: #6549
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/bgpd/bgp_bmp.c b/bgpd/bgp_bmp.c
index 8902a8789aad39d9fd10c486a3519c2113395e70..fb4c50e3ef6b172211bbcf34b632096ca0c805d7 100644 (file)
--- a/bgpd/bgp_bmp.c
+++ b/bgpd/bgp_bmp.c
@@ -859,7 +859,9 @@ static void bmp_monitor(struct bmp *bmp, struct peer *peer, uint8_t flags,
 {
        struct stream *hdr, *msg;
        struct timeval tv = { .tv_sec = uptime, .tv_usec = 0 };
+       struct timeval uptime_real;
 
+       monotime_to_realtime(&tv, &uptime_real);
        if (attr)
                msg = bmp_update(p, peer, attr, afi, safi);
        else
@@ -867,7 +869,7 @@ static void bmp_monitor(struct bmp *bmp, struct peer *peer, uint8_t flags,
 
        hdr = stream_new(BGP_MAX_PACKET_SIZE);
        bmp_common_hdr(hdr, BMP_VERSION_3, BMP_TYPE_ROUTE_MONITORING);
-       bmp_per_peer_hdr(hdr, peer, flags, &tv);
+       bmp_per_peer_hdr(hdr, peer, flags, &uptime_real);
 
        stream_putl_at(hdr, BMP_LENGTH_POS,
                        stream_get_endp(hdr) + stream_get_endp(msg));