#define IPv6_KEY_BYTES_FMT \
"%08" PRIx64 "%08" PRIx64 "%08" PRIx64 "%08" PRIx64
+#ifdef RTE_LIBRTE_IP_FRAG_TBL_STAT
+#define IP_FRAG_TBL_STAT_UPDATE(s, f, v) ((s)->f += (v))
+#else
+#define IP_FRAG_TBL_STAT_UPDATE(s, f, v) do {} while (0)
+#endif /* IP_FRAG_TBL_STAT */
+
/* internal functions declarations */
struct rte_mbuf * ip_frag_process(struct ip_frag_pkt *fp,
struct rte_ip_frag_death_row *dr, struct rte_mbuf *mb,
static inline int
ip_frag_key_is_empty(const struct ip_frag_key * key)
{
- uint32_t i;
- for (i = 0; i < RTE_MIN(key->key_len, RTE_DIM(key->src_dst)); i++)
- if (key->src_dst[i] != 0)
- return 0;
- return 1;
+ return (key->key_len == 0);
}
-/* empty the key */
+/* invalidate the key */
static inline void
ip_frag_key_invalidate(struct ip_frag_key * key)
{
- uint32_t i;
- for (i = 0; i < key->key_len; i++)
- key->src_dst[i] = 0;
+ key->key_len = 0;
}
/* compare two keys */
-static inline int
+static inline uint64_t
ip_frag_key_cmp(const struct ip_frag_key * k1, const struct ip_frag_key * k2)
{
- uint32_t i, val;
- val = k1->id ^ k2->id;
+ uint32_t i;
+ uint64_t val;
+ val = k1->id_key_len ^ k2->id_key_len;
for (i = 0; i < k1->key_len; i++)
val |= k1->src_dst[i] ^ k2->src_dst[i];
return val;
fp->frags[IP_FIRST_FRAG_IDX] = zero_frag;
}
+/* local frag table helper functions */
+static inline void
+ip_frag_tbl_del(struct rte_ip_frag_tbl *tbl, struct rte_ip_frag_death_row *dr,
+ struct ip_frag_pkt *fp)
+{
+ ip_frag_free(fp, dr);
+ ip_frag_key_invalidate(&fp->key);
+ TAILQ_REMOVE(&tbl->lru, fp, lru);
+ tbl->use_entries--;
+ IP_FRAG_TBL_STAT_UPDATE(&tbl->stat, del_num, 1);
+}
+
#endif /* _IP_FRAG_COMMON_H_ */