* 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.h"
#include "bgpd/bgp_flowspec_util.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)
{
len - offset, NULL, &error);
break;
case FLOWSPEC_TCP_FLAGS:
- ret = bgp_flowspec_tcpflags_decode(
+ case FLOWSPEC_FRAGMENT:
+ ret = bgp_flowspec_bitmask_decode(
BGP_FLOWSPEC_VALIDATE_ONLY,
nlri_content + offset,
len - offset, NULL, &error);
nlri_content + offset,
len - offset, NULL, &error);
break;
- case FLOWSPEC_FRAGMENT:
- ret = bgp_flowspec_fragment_type_decode(
- BGP_FLOWSPEC_VALIDATE_ONLY,
- nlri_content + offset,
- len - offset, NULL, &error);
- break;
default:
error = -1;
break;
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");
+ flog_err(EC_LIB_DEVELOPMENT, "BGP flowspec IPv6 not supported");
return -1;
}
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;
}
if (pnt + 1 > lim)
return -1;
- 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);
+ flog_err(
+ EC_BGP_FLOWSPEC_PACKET,
+ "Flowspec NLRI length inconsistent ( size %u seen)",
+ psize);
return -1;
}
if (bgp_fs_nlri_validate(pnt, psize) < 0) {
- zlog_err("Bad flowspec format or NLRI options not supported");
+ flog_err(
+ EC_BGP_FLOWSPEC_PACKET,
+ "Bad flowspec format or NLRI options not supported");
return -1;
}
p.family = AF_FLOWSPEC;
temp = XCALLOC(MTYPE_TMP, psize);
memcpy(temp, pnt, psize);
p.u.prefix_flowspec.ptr = (uintptr_t) temp;
+
+ if (BGP_DEBUG(flowspec, FLOWSPEC)) {
+ char return_string[BGP_FLOWSPEC_NLRI_STRING_MAX];
+ char local_string[BGP_FLOWSPEC_NLRI_STRING_MAX*2+16];
+ char ec_string[BGP_FLOWSPEC_NLRI_STRING_MAX];
+ char *s = NULL;
+
+ bgp_fs_nlri_get_string((unsigned char *)
+ p.u.prefix_flowspec.ptr,
+ p.u.prefix_flowspec.prefixlen,
+ return_string,
+ NLRI_STRING_FORMAT_MIN, NULL);
+ snprintf(ec_string, sizeof(ec_string),
+ "EC{none}");
+ if (attr && attr->ecommunity) {
+ s = ecommunity_ecom2str(attr->ecommunity,
+ ECOMMUNITY_FORMAT_ROUTE_MAP, 0);
+ snprintf(ec_string, sizeof(ec_string),
+ "EC{%s}",
+ s == NULL ? "none" : s);
+
+ if (s)
+ ecommunity_strfree(&s);
+ }
+ snprintf(local_string, sizeof(local_string),
+ "FS Rx %s %s %s %s", withdraw ?
+ "Withdraw":"Update",
+ afi2str(afi), return_string,
+ attr != NULL ? ec_string : "");
+ zlog_info("%s", local_string);
+ }
/* Process the route. */
if (!withdraw)
ret = bgp_update(peer, &p, 0, attr,
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;
}