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ldpd: LDP does not always send traffic with correct DSCP value.

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Adding code so that the LDP neighbor that does not initiate the
TCP connection also sets the DSCP (via setsocketopt).

Signed-off-by: Karen Schoener <karen@voltanet.io>
This commit is contained in:
Karen Schoener 2020-05-05 17:59:00 -04:00 committed by Karen Schoener
parent 44fb33ee58
commit def23eb395
1 changed files with 10 additions and 0 deletions
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10
ldpd/neighbor.c
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@ -619,6 +619,16 @@ nbr_establish_connection(struct nbr *nbr)
#endif
}
if (nbr->af == AF_INET) {
if (sock_set_ipv4_tos(nbr->fd, IPTOS_PREC_INTERNETCONTROL) == -1)
log_warn("%s: lsr-id %s, sock_set_ipv4_tos error",
__func__, inet_ntoa(nbr->id));
} else if (nbr->af == AF_INET6) {
if (sock_set_ipv6_dscp(nbr->fd, IPTOS_PREC_INTERNETCONTROL) == -1)
log_warn("%s: lsr-id %s, sock_set_ipv6_dscp error",
__func__, inet_ntoa(nbr->id));
}
addr2sa(nbr->af, &nbr->laddr, 0, &local_su);
addr2sa(nbr->af, &nbr->raddr, LDP_PORT, &remote_su);
if (nbr->af == AF_INET6 && nbr->raddr_scope)