X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fmap%2Fmap.c;h=7225fc62f81fd4541e8e3bcbf9d7bc5a8889e057;hb=7b2e9fb1a;hp=c2e821aa2e01a3ec03b7f93f3bf484510f526192;hpb=1d1985de91833a5483a6b7ee96ef4090d530a7a6;p=vpp.git diff --git a/src/plugins/map/map.c b/src/plugins/map/map.c index c2e821aa2e0..7225fc62f81 100644 --- a/src/plugins/map/map.c +++ b/src/plugins/map/map.c @@ -16,6 +16,7 @@ */ #include +#include #include #include #include @@ -60,15 +61,14 @@ map_main_t map_main; /* - * Save usre-assigned MAP domain names ("tags") in a vector of + * Save user-assigned MAP domain names ("tags") in a vector of * extra domain information. */ static void -map_save_extras (u32 map_domain_index, char *tag) +map_save_extras (u32 map_domain_index, u8 * tag) { map_main_t *mm = &map_main; map_domain_extra_t *de; - u32 len; if (map_domain_index == ~0) return; @@ -80,9 +80,7 @@ map_save_extras (u32 map_domain_index, char *tag) if (!tag) return; - len = strlen (tag) + 1; - de->tag = clib_mem_alloc (len); - clib_memcpy (de->tag, tag, len); + de->tag = vec_dup (tag); } @@ -91,7 +89,7 @@ map_free_extras (u32 map_domain_index) { map_main_t *mm = &map_main; map_domain_extra_t *de; - char *tag; + u8 *tag; if (map_domain_index == ~0) return; @@ -101,7 +99,7 @@ map_free_extras (u32 map_domain_index) if (!tag) return; - clib_mem_free (tag); + vec_free (tag); de->tag = 0; } @@ -116,7 +114,7 @@ map_create_domain (ip4_address_t * ip4_prefix, u8 ea_bits_len, u8 psid_offset, u8 psid_length, - u32 * map_domain_index, u16 mtu, u8 flags, char *tag) + u32 * map_domain_index, u16 mtu, u8 flags, u8 * tag) { u8 suffix_len, suffix_shift; map_main_t *mm = &map_main; @@ -388,10 +386,8 @@ map_fib_resolve (map_main_pre_resolved_t * pr, .fp_addr = *addr, }; - pr->fei = fib_table_entry_special_add (0, // default fib - &pfx, - FIB_SOURCE_RR, FIB_ENTRY_FLAG_NONE); - pr->sibling = fib_entry_child_add (pr->fei, FIB_NODE_TYPE_MAP_E, proto); + pr->fei = fib_entry_track (0, // default fib + &pfx, FIB_NODE_TYPE_MAP_E, proto, &pr->sibling); map_stack (pr); } @@ -399,18 +395,10 @@ static void map_fib_unresolve (map_main_pre_resolved_t * pr, fib_protocol_t proto, u8 len, const ip46_address_t * addr) { - fib_prefix_t pfx = { - .fp_proto = proto, - .fp_len = len, - .fp_addr = *addr, - }; - if (pr->fei != FIB_NODE_INDEX_INVALID) { - fib_entry_child_remove (pr->fei, pr->sibling); + fib_entry_untrack (pr->fei, pr->sibling); - fib_table_entry_special_remove (0, // default fib - &pfx, FIB_SOURCE_RR); dpo_reset (&pr->dpo); pr->fei = FIB_NODE_INDEX_INVALID; @@ -566,7 +554,7 @@ map_add_domain_command_fn (vlib_main_t * vm, num_m_args++; else if (unformat (line_input, "mtu %d", &mtu)) num_m_args++; - else if (unformat (line_input, "tag %s", &tag)) + else if (unformat (line_input, "tag %v", &tag)) ; else { @@ -585,7 +573,7 @@ map_add_domain_command_fn (vlib_main_t * vm, map_create_domain (&ip4_prefix, ip4_prefix_len, &ip6_prefix, ip6_prefix_len, &ip6_src, ip6_src_len, ea_bits_len, psid_offset, psid_length, &map_domain_index, - mtu, flags, (char *) tag); + mtu, flags, tag); done: unformat_free (line_input); @@ -938,7 +926,7 @@ format_map_domain (u8 * s, va_list * args) de = vec_elt_at_index (mm->domain_extras, map_domain_index); s = format (s, - "[%d] tag {%s} ip4-pfx %U/%d ip6-pfx %U/%d ip6-src %U/%d " + "[%d] tag {%v} ip4-pfx %U/%d ip6-pfx %U/%d ip6-src %U/%d " "ea-bits-len %d psid-offset %d psid-len %d mtu %d %s", map_domain_index, de->tag, format_ip4_address, &d->ip4_prefix, d->ip4_prefix_len, @@ -978,41 +966,6 @@ format_map_domain (u8 * s, va_list * args) return s; } -static u8 * -format_map_ip4_reass (u8 * s, va_list * args) -{ - map_main_t *mm = &map_main; - map_ip4_reass_t *r = va_arg (*args, map_ip4_reass_t *); - map_ip4_reass_key_t *k = &r->key; - f64 now = vlib_time_now (mm->vlib_main); - f64 lifetime = (((f64) mm->ip4_reass_conf_lifetime_ms) / 1000); - f64 dt = (r->ts + lifetime > now) ? (r->ts + lifetime - now) : -1; - s = format (s, - "ip4-reass src=%U dst=%U protocol=%d identifier=%d port=%d lifetime=%.3lf\n", - format_ip4_address, &k->src.as_u8, format_ip4_address, - &k->dst.as_u8, k->protocol, - clib_net_to_host_u16 (k->fragment_id), - (r->port >= 0) ? clib_net_to_host_u16 (r->port) : -1, dt); - return s; -} - -static u8 * -format_map_ip6_reass (u8 * s, va_list * args) -{ - map_main_t *mm = &map_main; - map_ip6_reass_t *r = va_arg (*args, map_ip6_reass_t *); - map_ip6_reass_key_t *k = &r->key; - f64 now = vlib_time_now (mm->vlib_main); - f64 lifetime = (((f64) mm->ip6_reass_conf_lifetime_ms) / 1000); - f64 dt = (r->ts + lifetime > now) ? (r->ts + lifetime - now) : -1; - s = format (s, - "ip6-reass src=%U dst=%U protocol=%d identifier=%d lifetime=%.3lf\n", - format_ip6_address, &k->src.as_u8, format_ip6_address, - &k->dst.as_u8, k->protocol, - clib_net_to_host_u32 (k->fragment_id), dt); - return s; -} - static clib_error_t * show_map_domain_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) @@ -1071,23 +1024,6 @@ done: return error; } -static clib_error_t * -show_map_fragments_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - map_main_t *mm = &map_main; - map_ip4_reass_t *f4; - map_ip6_reass_t *f6; - - /* *INDENT-OFF* */ - pool_foreach(f4, mm->ip4_reass_pool, ({vlib_cli_output (vm, "%U", format_map_ip4_reass, f4);})); - /* *INDENT-ON* */ - /* *INDENT-OFF* */ - pool_foreach(f6, mm->ip6_reass_pool, ({vlib_cli_output (vm, "%U", format_map_ip6_reass, f6);})); - /* *INDENT-ON* */ - return (0); -} - u64 map_error_counter_get (u32 node_index, map_error_t map_error) { @@ -1098,7 +1034,7 @@ map_error_counter_get (u32 node_index, map_error_t map_error) vlib_node_t *n = vlib_get_node (vm, node_index); u32 ci; - ci = vlib_error_get_code (e); + ci = vlib_error_get_code (&vm->node_main, e); ASSERT (ci < n->n_errors); ci += n->error_heap_index; @@ -1203,113 +1139,6 @@ show_map_stats_command_fn (vlib_main_t * vm, unformat_input_t * input, return 0; } -static clib_error_t * -map_params_reass_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) -{ - unformat_input_t _line_input, *line_input = &_line_input; - u32 lifetime = ~0; - f64 ht_ratio = (MAP_IP4_REASS_CONF_HT_RATIO_MAX + 1); - u32 pool_size = ~0; - u64 buffers = ~(0ull); - u8 ip4 = 0, ip6 = 0; - - if (!unformat_user (input, unformat_line_input, line_input)) - return 0; - - while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) - { - if (unformat (line_input, "lifetime %u", &lifetime)) - ; - else if (unformat (line_input, "ht-ratio %lf", &ht_ratio)) - ; - else if (unformat (line_input, "pool-size %u", &pool_size)) - ; - else if (unformat (line_input, "buffers %llu", &buffers)) - ; - else if (unformat (line_input, "ip4")) - ip4 = 1; - else if (unformat (line_input, "ip6")) - ip6 = 1; - else - { - unformat_free (line_input); - return clib_error_return (0, "invalid input"); - } - } - unformat_free (line_input); - - if (!ip4 && !ip6) - return clib_error_return (0, "must specify ip4 and/or ip6"); - - if (ip4) - { - if (pool_size != ~0 && pool_size > MAP_IP4_REASS_CONF_POOL_SIZE_MAX) - return clib_error_return (0, "invalid ip4-reass pool-size ( > %d)", - MAP_IP4_REASS_CONF_POOL_SIZE_MAX); - if (ht_ratio != (MAP_IP4_REASS_CONF_HT_RATIO_MAX + 1) - && ht_ratio > MAP_IP4_REASS_CONF_HT_RATIO_MAX) - return clib_error_return (0, "invalid ip4-reass ht-ratio ( > %d)", - MAP_IP4_REASS_CONF_HT_RATIO_MAX); - if (lifetime != ~0 && lifetime > MAP_IP4_REASS_CONF_LIFETIME_MAX) - return clib_error_return (0, "invalid ip4-reass lifetime ( > %d)", - MAP_IP4_REASS_CONF_LIFETIME_MAX); - if (buffers != ~(0ull) && buffers > MAP_IP4_REASS_CONF_BUFFERS_MAX) - return clib_error_return (0, "invalid ip4-reass buffers ( > %ld)", - MAP_IP4_REASS_CONF_BUFFERS_MAX); - } - - if (ip6) - { - if (pool_size != ~0 && pool_size > MAP_IP6_REASS_CONF_POOL_SIZE_MAX) - return clib_error_return (0, "invalid ip6-reass pool-size ( > %d)", - MAP_IP6_REASS_CONF_POOL_SIZE_MAX); - if (ht_ratio != (MAP_IP4_REASS_CONF_HT_RATIO_MAX + 1) - && ht_ratio > MAP_IP6_REASS_CONF_HT_RATIO_MAX) - return clib_error_return (0, "invalid ip6-reass ht-log2len ( > %d)", - MAP_IP6_REASS_CONF_HT_RATIO_MAX); - if (lifetime != ~0 && lifetime > MAP_IP6_REASS_CONF_LIFETIME_MAX) - return clib_error_return (0, "invalid ip6-reass lifetime ( > %d)", - MAP_IP6_REASS_CONF_LIFETIME_MAX); - if (buffers != ~(0ull) && buffers > MAP_IP6_REASS_CONF_BUFFERS_MAX) - return clib_error_return (0, "invalid ip6-reass buffers ( > %ld)", - MAP_IP6_REASS_CONF_BUFFERS_MAX); - } - - int rv; - u32 reass = 0, packets = 0; - rv = map_param_set_reassembly (!ip4, lifetime, pool_size, buffers, ht_ratio, - &reass, &packets); - - switch (rv) - { - case 0: - vlib_cli_output (vm, - "Note: destroyed-reassembly=%u , dropped-fragments=%u", - reass, packets); - break; - - case MAP_ERR_BAD_POOL_SIZE: - return clib_error_return (0, "Could not set reass pool-size"); - - case MAP_ERR_BAD_HT_RATIO: - return clib_error_return (0, "Could not set reass ht-log2len"); - - case MAP_ERR_BAD_LIFETIME: - return clib_error_return (0, "Could not set ip6-reass lifetime"); - - case MAP_ERR_BAD_BUFFERS: - return clib_error_return (0, "Could not set ip6-reass buffers"); - - case MAP_ERR_BAD_BUFFERS_TOO_LARGE: - return clib_error_return (0, - "Note: 'ip6-reass buffers' > pool-size * max-fragments-per-reassembly."); - } - - return 0; -} - - static clib_error_t * map_if_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) @@ -1379,571 +1208,6 @@ format_map_trace (u8 * s, va_list * args) return s; } -static_always_inline map_ip4_reass_t * -map_ip4_reass_lookup (map_ip4_reass_key_t * k, u32 bucket, f64 now) -{ - map_main_t *mm = &map_main; - u32 ri = mm->ip4_reass_hash_table[bucket]; - while (ri != MAP_REASS_INDEX_NONE) - { - map_ip4_reass_t *r = pool_elt_at_index (mm->ip4_reass_pool, ri); - if (r->key.as_u64[0] == k->as_u64[0] && - r->key.as_u64[1] == k->as_u64[1] && - now < r->ts + (((f64) mm->ip4_reass_conf_lifetime_ms) / 1000)) - { - return r; - } - ri = r->bucket_next; - } - return NULL; -} - -#define map_ip4_reass_pool_index(r) (r - map_main.ip4_reass_pool) - -void -map_ip4_reass_free (map_ip4_reass_t * r, u32 ** pi_to_drop) -{ - map_main_t *mm = &map_main; - map_ip4_reass_get_fragments (r, pi_to_drop); - - // Unlink in hash bucket - map_ip4_reass_t *r2 = NULL; - u32 r2i = mm->ip4_reass_hash_table[r->bucket]; - while (r2i != map_ip4_reass_pool_index (r)) - { - ASSERT (r2i != MAP_REASS_INDEX_NONE); - r2 = pool_elt_at_index (mm->ip4_reass_pool, r2i); - r2i = r2->bucket_next; - } - if (r2) - { - r2->bucket_next = r->bucket_next; - } - else - { - mm->ip4_reass_hash_table[r->bucket] = r->bucket_next; - } - - // Unlink in list - if (r->fifo_next == map_ip4_reass_pool_index (r)) - { - mm->ip4_reass_fifo_last = MAP_REASS_INDEX_NONE; - } - else - { - if (mm->ip4_reass_fifo_last == map_ip4_reass_pool_index (r)) - mm->ip4_reass_fifo_last = r->fifo_prev; - pool_elt_at_index (mm->ip4_reass_pool, r->fifo_prev)->fifo_next = - r->fifo_next; - pool_elt_at_index (mm->ip4_reass_pool, r->fifo_next)->fifo_prev = - r->fifo_prev; - } - - pool_put (mm->ip4_reass_pool, r); - mm->ip4_reass_allocated--; -} - -map_ip4_reass_t * -map_ip4_reass_get (u32 src, u32 dst, u16 fragment_id, - u8 protocol, u32 ** pi_to_drop) -{ - map_ip4_reass_t *r; - map_main_t *mm = &map_main; - map_ip4_reass_key_t k = {.src.data_u32 = src, - .dst.data_u32 = dst, - .fragment_id = fragment_id, - .protocol = protocol - }; - - u32 h = 0; -#ifdef clib_crc32c_uses_intrinsics - h = clib_crc32c ((u8 *) k.as_u32, 16); -#else - u64 tmp = k.as_u32[0] ^ k.as_u32[1] ^ k.as_u32[2] ^ k.as_u32[3]; - h = clib_xxhash (tmp); -#endif - h = h >> (32 - mm->ip4_reass_ht_log2len); - - f64 now = vlib_time_now (mm->vlib_main); - - //Cache garbage collection - while (mm->ip4_reass_fifo_last != MAP_REASS_INDEX_NONE) - { - map_ip4_reass_t *last = - pool_elt_at_index (mm->ip4_reass_pool, mm->ip4_reass_fifo_last); - if (last->ts + (((f64) mm->ip4_reass_conf_lifetime_ms) / 1000) < now) - map_ip4_reass_free (last, pi_to_drop); - else - break; - } - - if ((r = map_ip4_reass_lookup (&k, h, now))) - return r; - - if (mm->ip4_reass_allocated >= mm->ip4_reass_conf_pool_size) - return NULL; - - pool_get (mm->ip4_reass_pool, r); - mm->ip4_reass_allocated++; - int i; - for (i = 0; i < MAP_IP4_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++) - r->fragments[i] = ~0; - - u32 ri = map_ip4_reass_pool_index (r); - - //Link in new bucket - r->bucket = h; - r->bucket_next = mm->ip4_reass_hash_table[h]; - mm->ip4_reass_hash_table[h] = ri; - - //Link in fifo - if (mm->ip4_reass_fifo_last != MAP_REASS_INDEX_NONE) - { - r->fifo_next = - pool_elt_at_index (mm->ip4_reass_pool, - mm->ip4_reass_fifo_last)->fifo_next; - r->fifo_prev = mm->ip4_reass_fifo_last; - pool_elt_at_index (mm->ip4_reass_pool, r->fifo_prev)->fifo_next = ri; - pool_elt_at_index (mm->ip4_reass_pool, r->fifo_next)->fifo_prev = ri; - } - else - { - r->fifo_next = r->fifo_prev = ri; - mm->ip4_reass_fifo_last = ri; - } - - //Set other fields - r->ts = now; - r->key = k; - r->port = -1; -#ifdef MAP_IP4_REASS_COUNT_BYTES - r->expected_total = 0xffff; - r->forwarded = 0; -#endif - - return r; -} - -int -map_ip4_reass_add_fragment (map_ip4_reass_t * r, u32 pi) -{ - if (map_main.ip4_reass_buffered_counter >= map_main.ip4_reass_conf_buffers) - return -1; - - int i; - for (i = 0; i < MAP_IP4_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++) - if (r->fragments[i] == ~0) - { - r->fragments[i] = pi; - map_main.ip4_reass_buffered_counter++; - return 0; - } - return -1; -} - -static_always_inline map_ip6_reass_t * -map_ip6_reass_lookup (map_ip6_reass_key_t * k, u32 bucket, f64 now) -{ - map_main_t *mm = &map_main; - u32 ri = mm->ip6_reass_hash_table[bucket]; - while (ri != MAP_REASS_INDEX_NONE) - { - map_ip6_reass_t *r = pool_elt_at_index (mm->ip6_reass_pool, ri); - if (now < r->ts + (((f64) mm->ip6_reass_conf_lifetime_ms) / 1000) && - r->key.as_u64[0] == k->as_u64[0] && - r->key.as_u64[1] == k->as_u64[1] && - r->key.as_u64[2] == k->as_u64[2] && - r->key.as_u64[3] == k->as_u64[3] && - r->key.as_u64[4] == k->as_u64[4]) - return r; - ri = r->bucket_next; - } - return NULL; -} - -#define map_ip6_reass_pool_index(r) (r - map_main.ip6_reass_pool) - -void -map_ip6_reass_free (map_ip6_reass_t * r, u32 ** pi_to_drop) -{ - map_main_t *mm = &map_main; - int i; - for (i = 0; i < MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++) - if (r->fragments[i].pi != ~0) - { - vec_add1 (*pi_to_drop, r->fragments[i].pi); - r->fragments[i].pi = ~0; - map_main.ip6_reass_buffered_counter--; - } - - // Unlink in hash bucket - map_ip6_reass_t *r2 = NULL; - u32 r2i = mm->ip6_reass_hash_table[r->bucket]; - while (r2i != map_ip6_reass_pool_index (r)) - { - ASSERT (r2i != MAP_REASS_INDEX_NONE); - r2 = pool_elt_at_index (mm->ip6_reass_pool, r2i); - r2i = r2->bucket_next; - } - if (r2) - { - r2->bucket_next = r->bucket_next; - } - else - { - mm->ip6_reass_hash_table[r->bucket] = r->bucket_next; - } - - // Unlink in list - if (r->fifo_next == map_ip6_reass_pool_index (r)) - { - //Single element in the list, list is now empty - mm->ip6_reass_fifo_last = MAP_REASS_INDEX_NONE; - } - else - { - if (mm->ip6_reass_fifo_last == map_ip6_reass_pool_index (r)) //First element - mm->ip6_reass_fifo_last = r->fifo_prev; - pool_elt_at_index (mm->ip6_reass_pool, r->fifo_prev)->fifo_next = - r->fifo_next; - pool_elt_at_index (mm->ip6_reass_pool, r->fifo_next)->fifo_prev = - r->fifo_prev; - } - - // Free from pool if necessary - pool_put (mm->ip6_reass_pool, r); - mm->ip6_reass_allocated--; -} - -map_ip6_reass_t * -map_ip6_reass_get (ip6_address_t * src, ip6_address_t * dst, u32 fragment_id, - u8 protocol, u32 ** pi_to_drop) -{ - map_ip6_reass_t *r; - map_main_t *mm = &map_main; - map_ip6_reass_key_t k = { - .src = *src, - .dst = *dst, - .fragment_id = fragment_id, - .protocol = protocol - }; - - u32 h = 0; - int i; - -#ifdef clib_crc32c_uses_intrinsics - h = clib_crc32c ((u8 *) k.as_u32, 40); -#else - u64 tmp = - k.as_u64[0] ^ k.as_u64[1] ^ k.as_u64[2] ^ k.as_u64[3] ^ k.as_u64[4]; - h = clib_xxhash (tmp); -#endif - - h = h >> (32 - mm->ip6_reass_ht_log2len); - - f64 now = vlib_time_now (mm->vlib_main); - - //Cache garbage collection - while (mm->ip6_reass_fifo_last != MAP_REASS_INDEX_NONE) - { - map_ip6_reass_t *last = - pool_elt_at_index (mm->ip6_reass_pool, mm->ip6_reass_fifo_last); - if (last->ts + (((f64) mm->ip6_reass_conf_lifetime_ms) / 1000) < now) - map_ip6_reass_free (last, pi_to_drop); - else - break; - } - - if ((r = map_ip6_reass_lookup (&k, h, now))) - return r; - - if (mm->ip6_reass_allocated >= mm->ip6_reass_conf_pool_size) - return NULL; - - pool_get (mm->ip6_reass_pool, r); - mm->ip6_reass_allocated++; - for (i = 0; i < MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++) - { - r->fragments[i].pi = ~0; - r->fragments[i].next_data_len = 0; - r->fragments[i].next_data_offset = 0; - } - - u32 ri = map_ip6_reass_pool_index (r); - - //Link in new bucket - r->bucket = h; - r->bucket_next = mm->ip6_reass_hash_table[h]; - mm->ip6_reass_hash_table[h] = ri; - - //Link in fifo - if (mm->ip6_reass_fifo_last != MAP_REASS_INDEX_NONE) - { - r->fifo_next = - pool_elt_at_index (mm->ip6_reass_pool, - mm->ip6_reass_fifo_last)->fifo_next; - r->fifo_prev = mm->ip6_reass_fifo_last; - pool_elt_at_index (mm->ip6_reass_pool, r->fifo_prev)->fifo_next = ri; - pool_elt_at_index (mm->ip6_reass_pool, r->fifo_next)->fifo_prev = ri; - } - else - { - r->fifo_next = r->fifo_prev = ri; - mm->ip6_reass_fifo_last = ri; - } - - //Set other fields - r->ts = now; - r->key = k; - r->ip4_header.ip_version_and_header_length = 0; -#ifdef MAP_IP6_REASS_COUNT_BYTES - r->expected_total = 0xffff; - r->forwarded = 0; -#endif - return r; -} - -int -map_ip6_reass_add_fragment (map_ip6_reass_t * r, u32 pi, - u16 data_offset, u16 next_data_offset, - u8 * data_start, u16 data_len) -{ - map_ip6_fragment_t *f = NULL, *prev_f = NULL; - u16 copied_len = (data_len > 20) ? 20 : data_len; - - if (map_main.ip6_reass_buffered_counter >= map_main.ip6_reass_conf_buffers) - return -1; - - //Lookup for fragments for the current buffer - //and the one before that - int i; - for (i = 0; i < MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++) - { - if (data_offset && r->fragments[i].next_data_offset == data_offset) - { - prev_f = &r->fragments[i]; // This is buffer for previous packet - } - else if (r->fragments[i].next_data_offset == next_data_offset) - { - f = &r->fragments[i]; // This is a buffer for the current packet - } - else if (r->fragments[i].next_data_offset == 0) - { //Available - if (f == NULL) - f = &r->fragments[i]; - else if (prev_f == NULL) - prev_f = &r->fragments[i]; - } - } - - if (!f || f->pi != ~0) - return -1; - - if (data_offset) - { - if (!prev_f) - return -1; - - clib_memcpy_fast (prev_f->next_data, data_start, copied_len); - prev_f->next_data_len = copied_len; - prev_f->next_data_offset = data_offset; - } - else - { - if (((ip4_header_t *) data_start)->ip_version_and_header_length != 0x45) - return -1; - - if (r->ip4_header.ip_version_and_header_length == 0) - clib_memcpy_fast (&r->ip4_header, data_start, sizeof (ip4_header_t)); - } - - if (data_len > 20) - { - f->next_data_offset = next_data_offset; - f->pi = pi; - map_main.ip6_reass_buffered_counter++; - } - return 0; -} - -void -map_ip4_reass_reinit (u32 * trashed_reass, u32 * dropped_packets) -{ - map_main_t *mm = &map_main; - int i; - - if (dropped_packets) - *dropped_packets = mm->ip4_reass_buffered_counter; - if (trashed_reass) - *trashed_reass = mm->ip4_reass_allocated; - if (mm->ip4_reass_fifo_last != MAP_REASS_INDEX_NONE) - { - u16 ri = mm->ip4_reass_fifo_last; - do - { - map_ip4_reass_t *r = pool_elt_at_index (mm->ip4_reass_pool, ri); - for (i = 0; i < MAP_IP4_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++) - if (r->fragments[i] != ~0) - map_ip4_drop_pi (r->fragments[i]); - - ri = r->fifo_next; - pool_put (mm->ip4_reass_pool, r); - } - while (ri != mm->ip4_reass_fifo_last); - } - - vec_free (mm->ip4_reass_hash_table); - vec_resize (mm->ip4_reass_hash_table, 1 << mm->ip4_reass_ht_log2len); - for (i = 0; i < (1 << mm->ip4_reass_ht_log2len); i++) - mm->ip4_reass_hash_table[i] = MAP_REASS_INDEX_NONE; - pool_free (mm->ip4_reass_pool); - pool_alloc (mm->ip4_reass_pool, mm->ip4_reass_conf_pool_size); - - mm->ip4_reass_allocated = 0; - mm->ip4_reass_fifo_last = MAP_REASS_INDEX_NONE; - mm->ip4_reass_buffered_counter = 0; -} - -u8 -map_get_ht_log2len (f32 ht_ratio, u16 pool_size) -{ - u32 desired_size = (u32) (pool_size * ht_ratio); - u8 i; - for (i = 1; i < 31; i++) - if ((1 << i) >= desired_size) - return i; - return 4; -} - -int -map_ip4_reass_conf_ht_ratio (f32 ht_ratio, u32 * trashed_reass, - u32 * dropped_packets) -{ - map_main_t *mm = &map_main; - if (ht_ratio > MAP_IP4_REASS_CONF_HT_RATIO_MAX) - return -1; - - map_ip4_reass_lock (); - mm->ip4_reass_conf_ht_ratio = ht_ratio; - mm->ip4_reass_ht_log2len = - map_get_ht_log2len (ht_ratio, mm->ip4_reass_conf_pool_size); - map_ip4_reass_reinit (trashed_reass, dropped_packets); - map_ip4_reass_unlock (); - return 0; -} - -int -map_ip4_reass_conf_pool_size (u16 pool_size, u32 * trashed_reass, - u32 * dropped_packets) -{ - map_main_t *mm = &map_main; - if (pool_size > MAP_IP4_REASS_CONF_POOL_SIZE_MAX) - return -1; - - map_ip4_reass_lock (); - mm->ip4_reass_conf_pool_size = pool_size; - map_ip4_reass_reinit (trashed_reass, dropped_packets); - map_ip4_reass_unlock (); - return 0; -} - -int -map_ip4_reass_conf_lifetime (u16 lifetime_ms) -{ - map_main.ip4_reass_conf_lifetime_ms = lifetime_ms; - return 0; -} - -int -map_ip4_reass_conf_buffers (u32 buffers) -{ - map_main.ip4_reass_conf_buffers = buffers; - return 0; -} - -void -map_ip6_reass_reinit (u32 * trashed_reass, u32 * dropped_packets) -{ - map_main_t *mm = &map_main; - if (dropped_packets) - *dropped_packets = mm->ip6_reass_buffered_counter; - if (trashed_reass) - *trashed_reass = mm->ip6_reass_allocated; - int i; - if (mm->ip6_reass_fifo_last != MAP_REASS_INDEX_NONE) - { - u16 ri = mm->ip6_reass_fifo_last; - do - { - map_ip6_reass_t *r = pool_elt_at_index (mm->ip6_reass_pool, ri); - for (i = 0; i < MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY; i++) - if (r->fragments[i].pi != ~0) - map_ip6_drop_pi (r->fragments[i].pi); - - ri = r->fifo_next; - pool_put (mm->ip6_reass_pool, r); - } - while (ri != mm->ip6_reass_fifo_last); - mm->ip6_reass_fifo_last = MAP_REASS_INDEX_NONE; - } - - vec_free (mm->ip6_reass_hash_table); - vec_resize (mm->ip6_reass_hash_table, 1 << mm->ip6_reass_ht_log2len); - for (i = 0; i < (1 << mm->ip6_reass_ht_log2len); i++) - mm->ip6_reass_hash_table[i] = MAP_REASS_INDEX_NONE; - pool_free (mm->ip6_reass_pool); - pool_alloc (mm->ip6_reass_pool, mm->ip4_reass_conf_pool_size); - - mm->ip6_reass_allocated = 0; - mm->ip6_reass_buffered_counter = 0; -} - -int -map_ip6_reass_conf_ht_ratio (f32 ht_ratio, u32 * trashed_reass, - u32 * dropped_packets) -{ - map_main_t *mm = &map_main; - if (ht_ratio > MAP_IP6_REASS_CONF_HT_RATIO_MAX) - return -1; - - map_ip6_reass_lock (); - mm->ip6_reass_conf_ht_ratio = ht_ratio; - mm->ip6_reass_ht_log2len = - map_get_ht_log2len (ht_ratio, mm->ip6_reass_conf_pool_size); - map_ip6_reass_reinit (trashed_reass, dropped_packets); - map_ip6_reass_unlock (); - return 0; -} - -int -map_ip6_reass_conf_pool_size (u16 pool_size, u32 * trashed_reass, - u32 * dropped_packets) -{ - map_main_t *mm = &map_main; - if (pool_size > MAP_IP6_REASS_CONF_POOL_SIZE_MAX) - return -1; - - map_ip6_reass_lock (); - mm->ip6_reass_conf_pool_size = pool_size; - map_ip6_reass_reinit (trashed_reass, dropped_packets); - map_ip6_reass_unlock (); - return 0; -} - -int -map_ip6_reass_conf_lifetime (u16 lifetime_ms) -{ - map_main.ip6_reass_conf_lifetime_ms = lifetime_ms; - return 0; -} - -int -map_ip6_reass_conf_buffers (u32 buffers) -{ - map_main.ip6_reass_conf_buffers = buffers; - return 0; -} - static clib_error_t * map_tcp_mss_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) @@ -1985,21 +1249,6 @@ done: /* *INDENT-OFF* */ -/*? - * Configure MAP reassembly behaviour - * - * @cliexpar - * @cliexstart{map params reassembly} - * @cliexend - ?*/ -VLIB_CLI_COMMAND(map_ip4_reass_lifetime_command, static) = { - .path = "map params reassembly", - .short_help = "map params reassembly [ip4 | ip6] [lifetime ] " - "[pool-size ] [buffers ] " - "[ht-ratio ]", - .function = map_params_reass_command_fn, -}; - /*? * Set or copy the IP TOS/Traffic Class field * @@ -2198,19 +1447,6 @@ VLIB_CLI_COMMAND(show_map_stats_command, static) = { .function = show_map_stats_command_fn, }; -/*? - * Show MAP fragmentation information - * - * @cliexpar - * @cliexstart{show map fragments} - * @cliexend - ?*/ -VLIB_CLI_COMMAND(show_map_fragments_command, static) = { - .path = "show map fragments", - .short_help = "show map fragments", - .function = show_map_fragments_command_fn, -}; - /*? * Enable MAP processing on interface (input feature) * @@ -2274,37 +1510,7 @@ map_init (vlib_main_t * vm) vlib_zero_simple_counter (&mm->icmp_relayed, 0); mm->icmp_relayed.stat_segment_name = "/map/icmp-relayed"; - /* IP4 virtual reassembly */ - mm->ip4_reass_hash_table = 0; - mm->ip4_reass_pool = 0; - mm->ip4_reass_lock = - clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES); - *mm->ip4_reass_lock = 0; - mm->ip4_reass_conf_ht_ratio = MAP_IP4_REASS_HT_RATIO_DEFAULT; - mm->ip4_reass_conf_lifetime_ms = MAP_IP4_REASS_LIFETIME_DEFAULT; - mm->ip4_reass_conf_pool_size = MAP_IP4_REASS_POOL_SIZE_DEFAULT; - mm->ip4_reass_conf_buffers = MAP_IP4_REASS_BUFFERS_DEFAULT; - mm->ip4_reass_ht_log2len = - map_get_ht_log2len (mm->ip4_reass_conf_ht_ratio, - mm->ip4_reass_conf_pool_size); - mm->ip4_reass_fifo_last = MAP_REASS_INDEX_NONE; - map_ip4_reass_reinit (NULL, NULL); - /* IP6 virtual reassembly */ - mm->ip6_reass_hash_table = 0; - mm->ip6_reass_pool = 0; - mm->ip6_reass_lock = - clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES); - *mm->ip6_reass_lock = 0; - mm->ip6_reass_conf_ht_ratio = MAP_IP6_REASS_HT_RATIO_DEFAULT; - mm->ip6_reass_conf_lifetime_ms = MAP_IP6_REASS_LIFETIME_DEFAULT; - mm->ip6_reass_conf_pool_size = MAP_IP6_REASS_POOL_SIZE_DEFAULT; - mm->ip6_reass_conf_buffers = MAP_IP6_REASS_BUFFERS_DEFAULT; - mm->ip6_reass_ht_log2len = - map_get_ht_log2len (mm->ip6_reass_conf_ht_ratio, - mm->ip6_reass_conf_pool_size); - mm->ip6_reass_fifo_last = MAP_REASS_INDEX_NONE; - map_ip6_reass_reinit (NULL, NULL); #ifdef MAP_SKIP_IP6_LOOKUP fib_node_register_type (FIB_NODE_TYPE_MAP_E, &map_vft);