X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fnat64.h;h=0c8fd82a7301b01cf23e70ad1e4c5e879b24f90b;hb=51e759fd0655b6089360e1ccf2f5341704549fd4;hp=118076705cc64abfcd6bfc30e0a0dfe1de56a810;hpb=331acc632477ed2da1c9c0b90915a227b5e343d5;p=vpp.git diff --git a/src/plugins/nat/nat64.h b/src/plugins/nat/nat64.h index 118076705cc..0c8fd82a730 100644 --- a/src/plugins/nat/nat64.h +++ b/src/plugins/nat/nat64.h @@ -47,6 +47,19 @@ typedef struct u32 fib_index; } nat64_prefix_t; +typedef struct +{ + ip6_address_t in_addr; + u16 in_port; + ip4_address_t out_addr; + u16 out_port; + u32 fib_index; + u32 thread_index; + u8 proto; + u8 is_add; + u8 done; +} nat64_static_bib_to_update_t; + typedef struct { /** Interface pool */ @@ -61,18 +74,31 @@ typedef struct /** Pref64 vector */ nat64_prefix_t *pref64; - /** BIB and session DB */ - nat64_db_t db; + /** BIB and session DB per thread */ + nat64_db_t *db; + + /** Worker handoff */ + u32 fq_in2out_index; + u32 fq_out2in_index; + + /** Pool of static BIB entries to be added/deleted in worker threads */ + nat64_static_bib_to_update_t *static_bibs; - /* values of various timeouts */ + u32 error_node_index; + + /** config parameters */ + u32 bib_buckets; + u32 bib_memory_size; + u32 st_buckets; + u32 st_memory_size; + + /** values of various timeouts */ u32 udp_timeout; u32 icmp_timeout; u32 tcp_trans_timeout; u32 tcp_est_timeout; u32 tcp_incoming_syn_timeout; - u8 is_disabled; - ip4_main_t *ip4_main; snat_main_t *sm; } nat64_main_t; @@ -171,27 +197,30 @@ int nat64_add_del_static_bib_entry (ip6_address_t * in_addr, /** * @brief Alloce IPv4 address and port pair from NAT64 pool. * - * @param fib_index FIB index of tenant. - * @param proto L4 protocol. - * @param addr Allocated IPv4 address. - * @param port Allocated port number. + * @param fib_index FIB index of tenant. + * @param proto L4 protocol. + * @param addr Allocated IPv4 address. + * @param port Allocated port number. + * @param thread_index Thread index. * * @returns 0 on success, non-zero value otherwise. */ int nat64_alloc_out_addr_and_port (u32 fib_index, snat_protocol_t proto, - ip4_address_t * addr, u16 * port); + ip4_address_t * addr, u16 * port, + u32 thread_index); /** * @brief Free IPv4 address and port pair from NAT64 pool. * - * @param addr IPv4 address to free. - * @param port Port number to free. - * @param proto L4 protocol. + * @param addr IPv4 address to free. + * @param port Port number to free. + * @param proto L4 protocol. + * @param thread_index Thread index. * * @returns 0 on success, non-zero value otherwise. */ void nat64_free_out_addr_and_port (ip4_address_t * addr, u16 port, - snat_protocol_t proto); + snat_protocol_t proto, u32 thread_index); /** * @brief Set UDP session timeout. @@ -322,6 +351,35 @@ void nat64_compose_ip6 (ip6_address_t * ip6, ip4_address_t * ip4, void nat64_extract_ip4 (ip6_address_t * ip6, ip4_address_t * ip4, u32 fib_index); +/** + * @brief Set NAT64 hash tables configuration. + * + * @param bib_buckets Number of BIB hash buckets. + * @param bib_memory_size Memory size of BIB hash. + * @param st_buckets Number of session table hash buckets. + * @param st_memory_size Memory size of session table hash. + */ +void nat64_set_hash (u32 bib_buckets, u32 bib_memory_size, u32 st_buckets, + u32 st_memory_size); + +/** + * @brief Get worker thread index for NAT64 in2out. + * + * @param addr IPv6 src address. + * + * @returns worker thread index. + */ +u32 nat64_get_worker_in2out (ip6_address_t * addr); + +/** + * @brief Get worker thread index for NAT64 out2in. + * + * @param ip IPv4 header. + * + * @returns worker thread index. + */ +u32 nat64_get_worker_out2in (ip4_header_t * ip); + #define u8_ptr_add(ptr, index) (((u8 *)ptr) + index) #define u16_net_add(u, val) clib_host_to_net_u16(clib_net_to_host_u16(u) + (val))