/* logging macros. */
#ifdef RTE_LIBRTE_IP_FRAG_DEBUG
-
#define IP_FRAG_LOG(lvl, fmt, args...) RTE_LOG(lvl, USER1, fmt, ##args)
-
-#define IP_FRAG_ASSERT(exp) \
-if (!(exp)) { \
- rte_panic("function %s, line%d\tassert \"" #exp "\" failed\n", \
- __func__, __LINE__); \
-}
#else
#define IP_FRAG_LOG(lvl, fmt, args...) do {} while(0)
-#define IP_FRAG_ASSERT(exp) do {} while (0)
#endif /* IP_FRAG_DEBUG */
#define IPV4_KEYLEN 1
struct ip_frag_pkt **free, struct ip_frag_pkt **stale);
/* these functions need to be declared here as ip_frag_process relies on them */
-struct rte_mbuf * ipv4_frag_reassemble(const struct ip_frag_pkt *fp);
-struct rte_mbuf * ipv6_frag_reassemble(const struct ip_frag_pkt *fp);
+struct rte_mbuf *ipv4_frag_reassemble(struct ip_frag_pkt *fp);
+struct rte_mbuf *ipv6_frag_reassemble(struct ip_frag_pkt *fp);
ip_frag_key_is_empty(const struct ip_frag_key * key)
{
uint32_t i;
- for (i = 0; i < key->key_len; 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;
dr->cnt = k;
}
+/* delete fragment's mbufs immediately instead of using death row */
+static inline void
+ip_frag_free_immediate(struct ip_frag_pkt *fp)
+{
+ uint32_t i;
+
+ for (i = 0; i < fp->last_idx; i++) {
+ if (fp->frags[i].mb != NULL) {
+ IP_FRAG_LOG(DEBUG, "%s:%d\n"
+ "mbuf: %p, tms: %" PRIu64", key: <%" PRIx64 ", %#x>\n",
+ __func__, __LINE__, fp->frags[i].mb, fp->start,
+ fp->key.src_dst[0], fp->key.id);
+ rte_pktmbuf_free(fp->frags[i].mb);
+ fp->frags[i].mb = NULL;
+ }
+ }
+
+ fp->last_idx = 0;
+}
+
/* if key is empty, mark key as in use */
static inline void
ip_frag_inuse(struct rte_ip_frag_tbl *tbl, const struct ip_frag_pkt *fp)
fp->frags[IP_FIRST_FRAG_IDX] = zero_frag;
}
-/* chain two mbufs */
-static inline void
-ip_frag_chain(struct rte_mbuf *mn, struct rte_mbuf *mp)
-{
- struct rte_mbuf *ms;
-
- /* adjust start of the last fragment data. */
- rte_pktmbuf_adj(mp, (uint16_t)(mp->pkt.vlan_macip.f.l2_len +
- mp->pkt.vlan_macip.f.l3_len));
-
- /* chain two fragments. */
- ms = rte_pktmbuf_lastseg(mn);
- ms->pkt.next = mp;
-
- /* accumulate number of segments and total length. */
- mn->pkt.nb_segs = (uint8_t)(mn->pkt.nb_segs + mp->pkt.nb_segs);
- mn->pkt.pkt_len += mp->pkt.pkt_len;
-
- /* reset pkt_len and nb_segs for chained fragment. */
- mp->pkt.pkt_len = mp->pkt.data_len;
- mp->pkt.nb_segs = 1;
-}
-
-
#endif /* _IP_FRAG_COMMON_H_ */