#define BGP_LABEL_BYTES 3
#define BGP_LABEL_BITS 24
#define BGP_WITHDRAW_LABEL 0x800000
+#define BGP_PREVENT_VRF_2_VRF_LEAK 0xFFFFFFFE
struct bgp_node;
-struct bgp_info;
+struct bgp_path_info;
struct peer;
-extern void bgp_reg_dereg_for_label (struct bgp_node *rn, struct bgp_info *ri,
- int reg);
+extern int bgp_reg_for_label_callback(mpls_label_t new_label, void *labelid,
+ bool allocated);
+extern void bgp_reg_dereg_for_label(struct bgp_node *rn,
+ struct bgp_path_info *pi, bool reg);
extern int bgp_parse_fec_update(void);
-extern mpls_label_t bgp_adv_label(struct bgp_node *rn, struct bgp_info *ri,
- struct peer *to, afi_t afi, safi_t safi);
+extern mpls_label_t bgp_adv_label(struct bgp_node *rn, struct bgp_path_info *pi,
+ struct peer *to, afi_t afi, safi_t safi);
-extern int bgp_nlri_parse_label (struct peer *peer, struct attr *attr,
- struct bgp_nlri *packet);
+extern int bgp_nlri_parse_label(struct peer *peer, struct attr *attr,
+ struct bgp_nlri *packet);
-static inline int
-bgp_labeled_safi (safi_t safi)
+static inline int bgp_labeled_safi(safi_t safi)
{
- /* NOTE: This API really says a label (tag) MAY be present. Not all EVPN
- * routes will have a label.
- */
- if ((safi == SAFI_LABELED_UNICAST) || (safi == SAFI_MPLS_VPN) ||
- (safi == SAFI_EVPN))
- return 1;
- return 0;
+ /* NOTE: This API really says a label (tag) MAY be present. Not all EVPN
+ * routes will have a label.
+ */
+ if ((safi == SAFI_LABELED_UNICAST) || (safi == SAFI_MPLS_VPN)
+ || (safi == SAFI_EVPN))
+ return 1;
+ return 0;
}
-static inline int
-bgp_is_withdraw_label (mpls_label_t *label)
+static inline int bgp_is_withdraw_label(mpls_label_t *label)
{
- u_char *pkt = (u_char *) label;
-
- /* The check on pkt[2] for 0x00 or 0x02 is in case bgp_set_valid_label()
- * was called on the withdraw label */
- if ((pkt[0] == 0x80) && (pkt[1] == 0x00) && ((pkt[2] == 0x00) || (pkt[2] == 0x02)))
- return 1;
- return 0;
+ uint8_t *pkt = (uint8_t *)label;
+
+ /* The check on pkt[2] for 0x00 or 0x02 is in case bgp_set_valid_label()
+ * was called on the withdraw label */
+ if ((pkt[0] == 0x80) && (pkt[1] == 0x00)
+ && ((pkt[2] == 0x00) || (pkt[2] == 0x02)))
+ return 1;
+ return 0;
}
-static inline int
-bgp_is_valid_label (mpls_label_t *label)
+static inline int bgp_is_valid_label(mpls_label_t *label)
{
- u_char *t= (u_char *) label;
- if (!t)
- return 0;
- return (t[2] & 0x02);
+ uint8_t *t = (uint8_t *)label;
+ if (!t)
+ return 0;
+ return (t[2] & 0x02);
}
-static inline void
-bgp_set_valid_label (mpls_label_t *label)
+static inline void bgp_set_valid_label(mpls_label_t *label)
{
- u_char *t= (u_char *) label;
- if (t)
- t[2] |= 0x02;
+ uint8_t *t = (uint8_t *)label;
+ if (t)
+ t[2] |= 0x02;
}
-static inline void
-bgp_unset_valid_label (mpls_label_t *label)
+static inline void bgp_unset_valid_label(mpls_label_t *label)
{
- u_char *t= (u_char *) label;
- if (t)
- t[2] &= ~0x02;
+ uint8_t *t = (uint8_t *)label;
+ if (t)
+ t[2] &= ~0x02;
}
-static inline void
-bgp_register_for_label (struct bgp_node *rn, struct bgp_info *ri)
+static inline void bgp_register_for_label(struct bgp_node *rn,
+ struct bgp_path_info *pi)
{
- bgp_reg_dereg_for_label (rn, ri, 1);
+ bgp_reg_dereg_for_label(rn, pi, true);
}
-static inline void
-bgp_unregister_for_label (struct bgp_node *rn)
+static inline void bgp_unregister_for_label(struct bgp_node *rn)
{
- bgp_reg_dereg_for_label (rn, NULL, 0);
+ bgp_reg_dereg_for_label(rn, NULL, false);
}
/* Label stream to value */
-static inline u_int32_t
-label_pton (mpls_label_t *label)
+static inline uint32_t label_pton(mpls_label_t *label)
{
- u_char *t= (u_char *) label;
- return ((((unsigned int) t[0]) << 12) | (((unsigned int) t[1]) << 4) |
- ((unsigned int) ((t[2] & 0xF0) >> 4)));
+ uint8_t *t = (uint8_t *)label;
+ return ((((unsigned int)t[0]) << 12) | (((unsigned int)t[1]) << 4)
+ | ((unsigned int)((t[2] & 0xF0) >> 4)));
}
/* Encode label values */
-static inline void
-label_ntop (u_int32_t l, int bos, mpls_label_t *label)
+static inline void label_ntop(uint32_t l, int bos, mpls_label_t *label)
{
- u_char *t= (u_char *) label;
- t[0] = ((l & 0x000FF000) >> 12);
- t[1] = ((l & 0x00000FF0) >> 4);
- t[2] = ((l & 0x0000000F) << 4);
- if (bos)
- t[2] |= 0x01;
+ uint8_t *t = (uint8_t *)label;
+ t[0] = ((l & 0x000FF000) >> 12);
+ t[1] = ((l & 0x00000FF0) >> 4);
+ t[2] = ((l & 0x0000000F) << 4);
+ if (bos)
+ t[2] |= 0x01;
}
/* Return BOS value of label stream */
-static inline u_char
-label_bos (mpls_label_t *label)
+static inline uint8_t label_bos(mpls_label_t *label)
{
- u_char *t= (u_char *) label;
- return (t[2] & 0x01);
+ uint8_t *t = (uint8_t *)label;
+ return (t[2] & 0x01);
};
#endif /* _BGP_LABEL_H */
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