* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "math.h"
-
#include <zebra.h>
+#include <math.h>
+
#include "prefix.h"
+#include "lib_errors.h"
#include "bgpd/bgpd.h"
#include "bgpd/bgp_route.h"
#include "bgpd/bgp_flowspec_private.h"
#include "bgpd/bgp_ecommunity.h"
#include "bgpd/bgp_debug.h"
+#include "bgpd/bgp_errors.h"
static int bgp_fs_nlri_validate(uint8_t *nlri_content, uint32_t len)
{
afi_t afi;
safi_t safi;
int psize = 0;
- uint8_t rlen;
struct prefix p;
int ret;
void *temp;
safi = packet->safi;
if (afi == AFI_IP6) {
- zlog_err("BGP flowspec IPv6 not supported");
- return -1;
+ flog_err(EC_LIB_DEVELOPMENT, "BGP flowspec IPv6 not supported");
+ return BGP_NLRI_PARSE_ERROR_FLOWSPEC_IPV6_NOT_SUPPORTED;
}
if (packet->length >= FLOWSPEC_NLRI_SIZELIMIT) {
- zlog_err("BGP flowspec nlri length maximum reached (%u)",
+ flog_err(EC_BGP_FLOWSPEC_PACKET,
+ "BGP flowspec nlri length maximum reached (%u)",
packet->length);
- return -1;
+ return BGP_NLRI_PARSE_ERROR_FLOWSPEC_NLRI_SIZELIMIT;
}
for (; pnt < lim; pnt += psize) {
/* All FlowSpec NLRI begin with length. */
if (pnt + 1 > lim)
- return -1;
+ return BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW;
- psize = rlen = *pnt++;
+ psize = *pnt++;
/* When packet overflow occur return immediately. */
if (pnt + psize > lim) {
- zlog_err("Flowspec NLRI length inconsistent ( size %u seen)",
- psize);
- return -1;
+ flog_err(
+ EC_BGP_FLOWSPEC_PACKET,
+ "Flowspec NLRI length inconsistent ( size %u seen)",
+ psize);
+ return BGP_NLRI_PARSE_ERROR_PACKET_OVERFLOW;
}
if (bgp_fs_nlri_validate(pnt, psize) < 0) {
- zlog_err("Bad flowspec format or NLRI options not supported");
- return -1;
+ flog_err(
+ EC_BGP_FLOWSPEC_PACKET,
+ "Bad flowspec format or NLRI options not supported");
+ return BGP_NLRI_PARSE_ERROR_FLOWSPEC_BAD_FORMAT;
}
p.family = AF_FLOWSPEC;
p.prefixlen = 0;
if (BGP_DEBUG(flowspec, FLOWSPEC)) {
char return_string[BGP_FLOWSPEC_NLRI_STRING_MAX];
- char local_string[BGP_FLOWSPEC_NLRI_STRING_MAX * 2];
+ char local_string[BGP_FLOWSPEC_NLRI_STRING_MAX*2+16];
char ec_string[BGP_FLOWSPEC_NLRI_STRING_MAX];
char *s = NULL;
ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL,
NULL, NULL, 0, NULL);
if (ret) {
- zlog_err("Flowspec NLRI failed to be %s.",
+ flog_err(EC_BGP_FLOWSPEC_INSTALLATION,
+ "Flowspec NLRI failed to be %s.",
attr ? "added" : "withdrawn");
- return -1;
+ return BGP_NLRI_PARSE_ERROR;
}
}
- return 0;
+ return BGP_NLRI_PARSE_OK;
}