X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_ip_frag%2Fip_frag_common.h;h=cde6ed4a296268b597b1bfeaf4e24a1ba63b59be;hb=ab3257e13dc4618bd4fe3d38728c1786095cd3e5;hp=3e588a01d663773941ff2a00f37670131d063dd7;hpb=416707812c03e799719b46993af4a6ddfe14ef6c;p=dpdk.git diff --git a/lib/librte_ip_frag/ip_frag_common.h b/lib/librte_ip_frag/ip_frag_common.h index 3e588a01d6..cde6ed4a29 100644 --- a/lib/librte_ip_frag/ip_frag_common.h +++ b/lib/librte_ip_frag/ip_frag_common.h @@ -41,34 +41,43 @@ #define IP_FRAG_LOG(lvl, fmt, args...) RTE_LOG(lvl, USER1, fmt, ##args) -#define RTE_IP_FRAG_ASSERT(exp) \ +#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 RTE_IP_FRAG_ASSERT(exp) do { } while(0) +#define IP_FRAG_ASSERT(exp) do {} while (0) #endif /* IP_FRAG_DEBUG */ +#define IPV4_KEYLEN 1 +#define IPV6_KEYLEN 4 + /* helper macros */ #define IP_FRAG_MBUF2DR(dr, mb) ((dr)->row[(dr)->cnt++] = (mb)) +#define IPv6_KEY_BYTES(key) \ + (key)[0], (key)[1], (key)[2], (key)[3] +#define IPv6_KEY_BYTES_FMT \ + "%08" PRIx64 "%08" PRIx64 "%08" PRIx64 "%08" PRIx64 + /* internal functions declarations */ -struct rte_mbuf * ip_frag_process(struct rte_ip_frag_pkt *fp, +struct rte_mbuf * ip_frag_process(struct ip_frag_pkt *fp, struct rte_ip_frag_death_row *dr, struct rte_mbuf *mb, uint16_t ofs, uint16_t len, uint16_t more_frags); -struct rte_ip_frag_pkt * ip_frag_find(struct rte_ip_frag_tbl *tbl, +struct ip_frag_pkt * ip_frag_find(struct rte_ip_frag_tbl *tbl, struct rte_ip_frag_death_row *dr, const struct ip_frag_key *key, uint64_t tms); -struct rte_ip_frag_pkt * ip_frag_lookup(struct rte_ip_frag_tbl *tbl, +struct ip_frag_pkt * ip_frag_lookup(struct rte_ip_frag_tbl *tbl, const struct ip_frag_key *key, uint64_t tms, - struct rte_ip_frag_pkt **free, struct rte_ip_frag_pkt **stale); + 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 rte_ip_frag_pkt *fp); +struct rte_mbuf * ipv4_frag_reassemble(const struct ip_frag_pkt *fp); +struct rte_mbuf * ipv6_frag_reassemble(const struct ip_frag_pkt *fp); @@ -80,8 +89,10 @@ struct rte_mbuf * ipv4_frag_reassemble(const struct rte_ip_frag_pkt *fp); static inline int ip_frag_key_is_empty(const struct ip_frag_key * key) { - if (key->src_dst != 0) - return 0; + 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; } @@ -89,14 +100,20 @@ ip_frag_key_is_empty(const struct ip_frag_key * key) static inline void ip_frag_key_invalidate(struct ip_frag_key * key) { - key->src_dst = 0; + uint32_t i; + for (i = 0; i < key->key_len; i++) + key->src_dst[i] = 0; } /* compare two keys */ static inline int ip_frag_key_cmp(const struct ip_frag_key * k1, const struct ip_frag_key * k2) { - return k1->src_dst ^ k2->src_dst; + uint32_t i, val; + val = k1->id ^ k2->id; + for (i = 0; i < k1->key_len; i++) + val |= k1->src_dst[i] ^ k2->src_dst[i]; + return val; } /* @@ -105,7 +122,7 @@ ip_frag_key_cmp(const struct ip_frag_key * k1, const struct ip_frag_key * k2) /* put fragment on death row */ static inline void -ip_frag_free(struct rte_ip_frag_pkt *fp, struct rte_ip_frag_death_row *dr) +ip_frag_free(struct ip_frag_pkt *fp, struct rte_ip_frag_death_row *dr) { uint32_t i, k; @@ -123,7 +140,7 @@ ip_frag_free(struct rte_ip_frag_pkt *fp, struct rte_ip_frag_death_row *dr) /* if key is empty, mark key as in use */ static inline void -ip_frag_inuse(struct rte_ip_frag_tbl *tbl, const struct rte_ip_frag_pkt *fp) +ip_frag_inuse(struct rte_ip_frag_tbl *tbl, const struct ip_frag_pkt *fp) { if (ip_frag_key_is_empty(&fp->key)) { TAILQ_REMOVE(&tbl->lru, fp, lru); @@ -133,7 +150,7 @@ ip_frag_inuse(struct rte_ip_frag_tbl *tbl, const struct rte_ip_frag_pkt *fp) /* reset the fragment */ static inline void -ip_frag_reset(struct rte_ip_frag_pkt *fp, uint64_t tms) +ip_frag_reset(struct ip_frag_pkt *fp, uint64_t tms) { static const struct ip_frag zero_frag = { .ofs = 0, @@ -149,28 +166,4 @@ ip_frag_reset(struct rte_ip_frag_pkt *fp, uint64_t tms) 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_ */