struct rte_mbuf;
-enum {
- IP_LAST_FRAG_IDX, /**< index of last fragment */
- IP_FIRST_FRAG_IDX, /**< index of first fragment */
- IP_MIN_FRAG_NUM, /**< minimum number of fragments */
- IP_MAX_FRAG_NUM = RTE_LIBRTE_IP_FRAG_MAX_FRAG,
- /**< maximum number of fragments per packet */
-};
-
-/** @internal fragmented mbuf */
-struct ip_frag {
- uint16_t ofs; /**< offset into the packet */
- uint16_t len; /**< length of fragment */
- struct rte_mbuf *mb; /**< fragment mbuf */
-};
-
-/** @internal <src addr, dst_addr, id> to uniquely identify fragmented datagram. */
-struct ip_frag_key {
- uint64_t src_dst[4];
- /**< src and dst address, only first 8 bytes used for IPv4 */
- RTE_STD_C11
- union {
- uint64_t id_key_len; /**< combined for easy fetch */
- __extension__
- struct {
- uint32_t id; /**< packet id */
- uint32_t key_len; /**< src/dst key length */
- };
- };
-};
-
-/**
- * @internal Fragmented packet to reassemble.
- * First two entries in the frags[] array are for the last and first fragments.
- */
-struct ip_frag_pkt {
- TAILQ_ENTRY(ip_frag_pkt) lru; /**< LRU list */
- struct ip_frag_key key; /**< fragmentation key */
- uint64_t start; /**< creation timestamp */
- uint32_t total_size; /**< expected reassembled size */
- uint32_t frag_size; /**< size of fragments received */
- uint32_t last_idx; /**< index of next entry to fill */
- struct ip_frag frags[IP_MAX_FRAG_NUM]; /**< fragments */
-} __rte_cache_aligned;
+/** death row size (in packets) */
+#define RTE_IP_FRAG_DEATH_ROW_LEN 32
-#define IP_FRAG_DEATH_ROW_LEN 32 /**< death row size (in packets) */
-
-/* death row size in mbufs */
-#define IP_FRAG_DEATH_ROW_MBUF_LEN (IP_FRAG_DEATH_ROW_LEN * (IP_MAX_FRAG_NUM + 1))
+/** death row size in mbufs */
+#define RTE_IP_FRAG_DEATH_ROW_MBUF_LEN \
+ (RTE_IP_FRAG_DEATH_ROW_LEN * (RTE_LIBRTE_IP_FRAG_MAX_FRAG + 1))
/** mbuf death row (packets to be freed) */
struct rte_ip_frag_death_row {
uint32_t cnt; /**< number of mbufs currently on death row */
- struct rte_mbuf *row[IP_FRAG_DEATH_ROW_MBUF_LEN];
+ struct rte_mbuf *row[RTE_IP_FRAG_DEATH_ROW_MBUF_LEN];
/**< mbufs to be freed */
};
-TAILQ_HEAD(ip_pkt_list, ip_frag_pkt); /**< @internal fragments tailq */
-
-/** fragmentation table statistics */
-struct ip_frag_tbl_stat {
- uint64_t find_num; /**< total # of find/insert attempts. */
- uint64_t add_num; /**< # of add ops. */
- uint64_t del_num; /**< # of del ops. */
- uint64_t reuse_num; /**< # of reuse (del/add) ops. */
- uint64_t fail_total; /**< total # of add failures. */
- uint64_t fail_nospace; /**< # of 'no space' add failures. */
-} __rte_cache_aligned;
-
-/** fragmentation table */
-struct rte_ip_frag_tbl {
- uint64_t max_cycles; /**< ttl for table entries. */
- uint32_t entry_mask; /**< hash value mask. */
- uint32_t max_entries; /**< max entries allowed. */
- uint32_t use_entries; /**< entries in use. */
- uint32_t bucket_entries; /**< hash associativity. */
- uint32_t nb_entries; /**< total size of the table. */
- uint32_t nb_buckets; /**< num of associativity lines. */
- struct ip_frag_pkt *last; /**< last used entry. */
- struct ip_pkt_list lru; /**< LRU list for table entries. */
- struct ip_frag_tbl_stat stat; /**< statistics counters. */
- __extension__ struct ip_frag_pkt pkt[0]; /**< hash table. */
-};
-
-/* struct ipv6_extension_fragment moved to librte_net/rte_ip.h and renamed. */
-#define ipv6_extension_fragment rte_ipv6_fragment_ext
-
/**
* Create a new IP fragmentation table.
*
struct rte_mbuf *rte_ipv6_frag_reassemble_packet(struct rte_ip_frag_tbl *tbl,
struct rte_ip_frag_death_row *dr,
struct rte_mbuf *mb, uint64_t tms, struct rte_ipv6_hdr *ip_hdr,
- struct ipv6_extension_fragment *frag_hdr);
+ struct rte_ipv6_fragment_ext *frag_hdr);
/**
* Return a pointer to the packet's fragment header, if found.
* Pointer to the IPv6 fragment extension header, or NULL if it's not
* present.
*/
-static inline struct ipv6_extension_fragment *
+static inline struct rte_ipv6_fragment_ext *
rte_ipv6_frag_get_ipv6_fragment_header(struct rte_ipv6_hdr *hdr)
{
if (hdr->proto == IPPROTO_FRAGMENT) {
- return (struct ipv6_extension_fragment *) ++hdr;
+ return (struct rte_ipv6_fragment_ext *) ++hdr;
}
else
return NULL;
*/
__rte_experimental
void
-rte_frag_table_del_expired_entries(struct rte_ip_frag_tbl *tbl,
+rte_ip_frag_table_del_expired_entries(struct rte_ip_frag_tbl *tbl,
struct rte_ip_frag_death_row *dr, uint64_t tms);
+/**@{@name Obsolete macros, kept here for compatibility reasons.
+ * Will be deprecated/removed in future DPDK releases.
+ */
+/** Obsolete */
+#define IP_FRAG_DEATH_ROW_LEN RTE_IP_FRAG_DEATH_ROW_LEN
+/** Obsolete */
+#define IP_FRAG_DEATH_ROW_MBUF_LEN RTE_IP_FRAG_DEATH_ROW_MBUF_LEN
+/** Obsolete */
+#define ipv6_extension_fragment rte_ipv6_fragment_ext
+/**@}*/
+
#ifdef __cplusplus
}
#endif
git.droids-corp.org / dpdk.git / blobdiff