bgpd: forge bgp flowspec packets to be sent

bgp flowspec packets are being forged correctly. There is no need to
check for bgp length, as the bgp nlri length is checked at reception.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>

diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c
index a0c34f58c3f8bccc67be1a191173eff1cae1d471..f1c91382a45148e32e3fe076ea53796bbd35b4a4 100644 (file)
--- a/bgpd/bgp_attr.c
+++ b/bgpd/bgp_attr.c
@@ -3097,13 +3097,9 @@ void bgp_packet_mpattr_prefix(struct stream *s, afi_t afi, safi_t safi,
                stream_put_labeled_prefix(s, p, label, addpath_encode,
                                          addpath_tx_id);
        } else if (safi == SAFI_FLOWSPEC) {
-               if (PSIZE (p->prefixlen)+2 < FLOWSPEC_NLRI_SIZELIMIT)
-                       stream_putc(s, PSIZE (p->prefixlen)+2);
-               else
-                       stream_putw(s, (PSIZE (p->prefixlen)+2)|(0xf<<12));
-               stream_putc(s, 2);/* Filter type */
-               stream_putc(s, p->prefixlen);/* Prefix length */
-               stream_put(s, &p->u.prefix, PSIZE (p->prefixlen));
+               stream_putc(s, p->u.prefix_flowspec.prefixlen);
+               stream_put(s, (const void *)p->u.prefix_flowspec.ptr,
+                          p->u.prefix_flowspec.prefixlen);
        } else
                stream_put_prefix_addpath(s, p, addpath_encode, addpath_tx_id);
 }