diff options
Diffstat (limited to 'src/vnet/l2')
| -rw-r--r-- | src/vnet/l2/l2.api | 10 | ||||
| -rw-r--r-- | src/vnet/l2/l2_api.c | 18 | ||||
| -rw-r--r-- | src/vnet/l2/l2_fib.c | 168 | ||||
| -rw-r--r-- | src/vnet/l2/l2_fib.h | 21 | ||||
| -rw-r--r-- | src/vnet/l2/l2_input.c | 13 | ||||
| -rw-r--r-- | src/vnet/l2/l2_learn.c | 12 |
6 files changed, 156 insertions, 86 deletions
diff --git a/src/vnet/l2/l2.api b/src/vnet/l2/l2.api index db42d635174..e9a1f36187d 100644 --- a/src/vnet/l2/l2.api +++ b/src/vnet/l2/l2.api @@ -76,6 +76,16 @@ autoreply define l2_fib_clear_table u32 context; }; +/** \brief L2 FIB flush all entries + @param client_index - opaque cookie to identify the sender + @param context - sender context, to match reply w/ request +*/ +autoreply define l2fib_flush_all +{ + u32 client_index; + u32 context; +}; + /** \brief L2 FIB flush bridge domain entries @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request diff --git a/src/vnet/l2/l2_api.c b/src/vnet/l2/l2_api.c index 8cc7c7942eb..5f371ccd6ee 100644 --- a/src/vnet/l2/l2_api.c +++ b/src/vnet/l2/l2_api.c @@ -48,6 +48,7 @@ _(L2_XCONNECT_DUMP, l2_xconnect_dump) \ _(L2_FIB_CLEAR_TABLE, l2_fib_clear_table) \ _(L2_FIB_TABLE_DUMP, l2_fib_table_dump) \ +_(L2FIB_FLUSH_ALL, l2fib_flush_all) \ _(L2FIB_FLUSH_INT, l2fib_flush_int) \ _(L2FIB_FLUSH_BD, l2fib_flush_bd) \ _(L2FIB_ADD_DEL, l2fib_add_del) \ @@ -106,11 +107,8 @@ vl_api_l2_fib_clear_table_t_handler (vl_api_l2_fib_clear_table_t * mp) int rv = 0; vl_api_l2_fib_clear_table_reply_t *rmp; - /* DAW-FIXME: This API should only clear non-static l2fib entries, but - * that is not currently implemented. When that TODO is fixed - * this call should be changed to pass 1 instead of 0. - */ - l2fib_clear_table (0); + /* Clear all MACs including static MACs */ + l2fib_clear_table (); REPLY_MACRO (VL_API_L2_FIB_CLEAR_TABLE_REPLY); } @@ -259,6 +257,16 @@ vl_api_l2fib_flush_int_t_handler (vl_api_l2fib_flush_int_t * mp) } static void +vl_api_l2fib_flush_all_t_handler (vl_api_l2fib_flush_all_t * mp) +{ + int rv = 0; + vl_api_l2fib_flush_all_reply_t *rmp; + + l2fib_flush_all_mac (vlib_get_main ()); + REPLY_MACRO (VL_API_L2FIB_FLUSH_ALL_REPLY); +} + +static void vl_api_l2fib_flush_bd_t_handler (vl_api_l2fib_flush_bd_t * mp) { int rv = 0; diff --git a/src/vnet/l2/l2_fib.c b/src/vnet/l2/l2_fib.c index 028a73269f9..d4207e351a3 100644 --- a/src/vnet/l2/l2_fib.c +++ b/src/vnet/l2/l2_fib.c @@ -54,7 +54,6 @@ typedef struct l2fib_main_t l2fib_main; - /** Format sw_if_index. If the value is ~0, use the text "N/A" */ u8 * format_vnet_sw_if_index_name_with_NA (u8 * s, va_list * args) @@ -198,7 +197,7 @@ show_l2fib (vlib_main_t * vm, key.fields.bd_index, result.fields.sw_if_index == ~0 ? -1 : result.fields.sw_if_index, - result.fields.bd_sn, result.fields.int_sn, + result.fields.sn.bd, result.fields.sn.swif, s, result.fields.static_mac ? "*" : "-", result.fields.filter ? "*" : "-", result.fields.bvi ? "*" : "-", @@ -259,22 +258,14 @@ VLIB_CLI_COMMAND (show_l2fib_cli, static) = { /* Remove all entries from the l2fib */ void -l2fib_clear_table (uint keep_static) +l2fib_clear_table (void) { l2fib_main_t *mp = &l2fib_main; - if (keep_static) - { - /* TODO: remove only non-static entries */ - } - else - { - /* Remove all entries */ - BV (clib_bihash_free) (&mp->mac_table); - BV (clib_bihash_init) (&mp->mac_table, "l2fib mac table", - L2FIB_NUM_BUCKETS, L2FIB_MEMORY_SIZE); - } - + /* Remove all entries */ + BV (clib_bihash_free) (&mp->mac_table); + BV (clib_bihash_init) (&mp->mac_table, "l2fib mac table", + L2FIB_NUM_BUCKETS, L2FIB_MEMORY_SIZE); l2learn_main.global_learn_count = 0; } @@ -285,7 +276,7 @@ static clib_error_t * clear_l2fib (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { - l2fib_clear_table (0); + l2fib_clear_table (); return 0; } @@ -308,14 +299,25 @@ VLIB_CLI_COMMAND (clear_l2fib_cli, static) = { }; /* *INDENT-ON* */ +static inline l2fib_seq_num_t +l2fib_cur_seq_num (u32 bd_index, u32 sw_if_index) +{ + l2_input_config_t *int_config = l2input_intf_config (sw_if_index); + l2_bridge_domain_t *bd_config = l2input_bd_config (bd_index); + /* *INDENT-OFF* */ + return (l2fib_seq_num_t) { + .swif = int_config->seq_num, + .bd = bd_config->seq_num, + }; + /* *INDENT-ON* */ +} /** * Add an entry to the l2fib. * If the entry already exists then overwrite it */ void -l2fib_add_entry (u64 mac, - u32 bd_index, +l2fib_add_entry (u64 mac, u32 bd_index, u32 sw_if_index, u32 static_mac, u32 filter_mac, u32 bvi_mac) { l2fib_entry_key_t key; @@ -334,14 +336,7 @@ l2fib_add_entry (u64 mac, result.fields.filter = filter_mac; result.fields.bvi = bvi_mac; if (!static_mac) - { - l2_input_config_t *int_config = l2input_intf_config (sw_if_index); - l2_bridge_domain_t *bd_config = - vec_elt_at_index (l2input_main.bd_configs, - bd_index); - result.fields.int_sn = int_config->seq_num; - result.fields.bd_sn = bd_config->seq_num; - } + result.fields.sn = l2fib_cur_seq_num (bd_index, sw_if_index); kv.key = key.raw; kv.value = result.raw; @@ -620,8 +615,8 @@ VLIB_CLI_COMMAND (l2fib_test_command, static) = { * Delete an entry from the l2fib. * Return 0 if the entry was deleted, or 1 if it was not found */ -u32 -l2fib_del_entry (u64 mac, u32 bd_index) +static u32 +l2fib_del_entry_by_key (u64 raw_key) { l2fib_entry_result_t result; @@ -629,7 +624,7 @@ l2fib_del_entry (u64 mac, u32 bd_index) BVT (clib_bihash_kv) kv; /* set up key */ - kv.key = l2fib_make_key ((u8 *) & mac, bd_index); + kv.key = raw_key; if (BV (clib_bihash_search) (&mp->mac_table, &kv, &kv)) return 1; @@ -651,6 +646,16 @@ l2fib_del_entry (u64 mac, u32 bd_index) } /** + * Delete an entry from the l2fib. + * Return 0 if the entry was deleted, or 1 if it was not found + */ +u32 +l2fib_del_entry (u64 mac, u32 bd_index) +{ + return l2fib_del_entry_by_key (l2fib_make_key ((u8 *) & mac, bd_index)); +} + +/** * Delete an entry from the L2FIB. * The CLI format is: * l2fib del <mac> <bd-id> @@ -735,30 +740,43 @@ l2fib_start_ager_scan (vlib_main_t * vm) } /** - Flush all learned MACs from an interface + Flush all non static MACs from an interface */ void l2fib_flush_int_mac (vlib_main_t * vm, u32 sw_if_index) { - l2_input_config_t *int_config; - int_config = l2input_intf_config (sw_if_index); + l2_input_config_t *int_config = l2input_intf_config (sw_if_index); int_config->seq_num += 1; l2fib_start_ager_scan (vm); } /** - Flush all learned MACs in a bridge domain + Flush all non static MACs in a bridge domain */ void l2fib_flush_bd_mac (vlib_main_t * vm, u32 bd_index) { - l2_bridge_domain_t *bd_config; - bd_config = l2input_bd_config (bd_index); + l2_bridge_domain_t *bd_config = l2input_bd_config (bd_index); bd_config->seq_num += 1; l2fib_start_ager_scan (vm); } /** + Flush all non static MACs - flushes all valid BDs +*/ +void +l2fib_flush_all_mac (vlib_main_t * vm) +{ + l2_bridge_domain_t *bd_config; + vec_foreach (bd_config, l2input_main.bd_configs) + if (bd_is_valid (bd_config)) + bd_config->seq_num += 1; + + l2fib_start_ager_scan (vm); +} + + +/** Flush MACs, except static ones, associated with an interface The CLI format is: l2fib flush-mac interface <if-name> @@ -784,6 +802,35 @@ done: return error; } +/** + Flush all MACs, except static ones + The CLI format is: + l2fib flush-mac all +*/ +static clib_error_t * +l2fib_flush_mac_all (vlib_main_t * vm, + unformat_input_t * input, vlib_cli_command_t * cmd) +{ + l2fib_flush_all_mac (vm); + return 0; +} + +/*? + * This command kick off ager to delete all existing MAC Address entries, + * except static ones, associated with an interface from the L2 FIB table. + * + * @cliexpar + * Example of how to flush MAC Address entries learned on an interface from the L2 FIB table: + * @cliexcmd{l2fib flush-mac interface GigabitEthernet2/1/0} +?*/ +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (l2fib_flush_mac_all_cli, static) = { + .path = "l2fib flush-mac all", + .short_help = "l2fib flush-mac all", + .function = l2fib_flush_mac_all, +}; +/* *INDENT-ON* */ + /*? * This command kick off ager to delete all existing MAC Address entries, * except static ones, associated with an interface from the L2 FIB table. @@ -872,17 +919,8 @@ l2fib_mac_age_scanner_process (vlib_main_t * vm, vlib_node_runtime_t * rt, { uword event_type, *event_data = 0; l2fib_main_t *msm = &l2fib_main; - l2_input_config_t *int_config; - l2_bridge_domain_t *bd_config; - BVT (clib_bihash) * h = &msm->mac_table; - clib_bihash_bucket_t *b; - BVT (clib_bihash_value) * v; - l2fib_entry_key_t key; - l2fib_entry_result_t result; - int i, j, k; bool enabled = 0; f64 start_time, last_run_duration = 0, t; - i16 delta; while (1) { @@ -911,6 +949,9 @@ l2fib_mac_age_scanner_process (vlib_main_t * vm, vlib_node_runtime_t * rt, ASSERT (0); } last_run_duration = start_time = vlib_time_now (vm); + + BVT (clib_bihash) * h = &msm->mac_table; + int i, j, k; for (i = 0; i < h->nbuckets; i++) { /* Allow no more than 10us without a pause */ @@ -923,20 +964,22 @@ l2fib_mac_age_scanner_process (vlib_main_t * vm, vlib_node_runtime_t * rt, if (i < (h->nbuckets - 3)) { - b = &h->buckets[i + 3]; + clib_bihash_bucket_t *b = &h->buckets[i + 3]; CLIB_PREFETCH (b, CLIB_CACHE_LINE_BYTES, LOAD); b = &h->buckets[i + 1]; if (b->offset) { - v = BV (clib_bihash_get_value) (h, b->offset); + BVT (clib_bihash_value) * v = + BV (clib_bihash_get_value) (h, b->offset); CLIB_PREFETCH (v, CLIB_CACHE_LINE_BYTES, LOAD); } } - b = &h->buckets[i]; + clib_bihash_bucket_t *b = &h->buckets[i]; if (b->offset == 0) continue; - v = BV (clib_bihash_get_value) (h, b->offset); + BVT (clib_bihash_value) * v = + BV (clib_bihash_get_value) (h, b->offset); for (j = 0; j < (1 << b->log2_pages); j++) { for (k = 0; k < BIHASH_KVP_PER_PAGE; k++) @@ -944,37 +987,32 @@ l2fib_mac_age_scanner_process (vlib_main_t * vm, vlib_node_runtime_t * rt, if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL) continue; - key.raw = v->kvp[k].key; - result.raw = v->kvp[k].value; + l2fib_entry_key_t key = {.raw = v->kvp[k].key }; + l2fib_entry_result_t result = {.raw = v->kvp[k].value }; if (result.fields.static_mac) continue; - int_config = - l2input_intf_config (result.fields.sw_if_index); - bd_config = - vec_elt_at_index (l2input_main.bd_configs, - key.fields.bd_index); - - if ((result.fields.int_sn != int_config->seq_num) || - (result.fields.bd_sn != bd_config->seq_num)) + u32 bd_index = key.fields.bd_index; + u32 sw_if_index = result.fields.sw_if_index; + u16 sn = l2fib_cur_seq_num (bd_index, sw_if_index).as_u16; + if (result.fields.sn.as_u16 != sn) { - void *p = &key.fields.mac; - l2fib_del_entry (*(u64 *) p, key.fields.bd_index); + l2fib_del_entry_by_key (key.raw); continue; } + l2_bridge_domain_t *bd_config = + vec_elt_at_index (l2input_main.bd_configs, bd_index); if (bd_config->mac_age == 0) continue; - delta = (u8) (start_time / 60) - result.fields.timestamp; + i16 delta = + (u8) (start_time / 60) - result.fields.timestamp; delta += delta < 0 ? 256 : 0; if (delta > bd_config->mac_age) - { - void *p = &key.fields.mac; - l2fib_del_entry (*(u64 *) p, key.fields.bd_index); - } + l2fib_del_entry_by_key (key.raw); } v++; } diff --git a/src/vnet/l2/l2_fib.h b/src/vnet/l2/l2_fib.h index 7e49d74baf8..e571a210975 100644 --- a/src/vnet/l2/l2_fib.h +++ b/src/vnet/l2/l2_fib.h @@ -50,6 +50,20 @@ typedef struct STATIC_ASSERT_SIZEOF (l2fib_entry_key_t, 8); + +typedef struct +{ + union + { + struct + { + u8 swif; + u8 bd; + }; + u16 as_u16; + }; +} l2fib_seq_num_t; + /* * The l2fib entry results */ @@ -66,8 +80,7 @@ typedef struct u8 filter:1; /* drop packets to/from this mac */ u8 unused1:5; u8 timestamp; /* timestamp for aging */ - u8 int_sn; /* interface seq num */ - u8 bd_sn; /* bridge domain seq num */ + l2fib_seq_num_t sn; /* bd/int seq num */ } fields; u64 raw; }; @@ -314,7 +327,7 @@ l2fib_lookup_4 (BVT (clib_bihash) * mac_table, } } -void l2fib_clear_table (uint keep_static); +void l2fib_clear_table (void); void l2fib_add_entry (u64 mac, @@ -329,6 +342,8 @@ void l2fib_flush_int_mac (vlib_main_t * vm, u32 sw_if_index); void l2fib_flush_bd_mac (vlib_main_t * vm, u32 bd_index); +void l2fib_flush_all_mac (vlib_main_t * vm); + void l2fib_table_dump (u32 bd_index, l2fib_entry_key_t ** l2fe_key, l2fib_entry_result_t ** l2fe_res); diff --git a/src/vnet/l2/l2_input.c b/src/vnet/l2/l2_input.c index fe65e694f3b..41a93f56332 100644 --- a/src/vnet/l2/l2_input.c +++ b/src/vnet/l2/l2_input.c @@ -202,8 +202,14 @@ classify_and_dispatch (vlib_main_t * vm, /* Get config for the bridge domain interface */ bd_config = vec_elt_at_index (msm->bd_configs, bd_index0); - /* Save bridge domain seq_num */ - vnet_buffer (b0)->l2.bd_sn = bd_config->seq_num; + /* Save bridge domain and interface seq_num */ + /* *INDENT-OFF* */ + l2fib_seq_num_t sn = { + .swif = config->seq_num, + .bd = bd_config->seq_num, + }; + /* *INDENT-ON* */ + vnet_buffer (b0)->l2.l2fib_sn = sn.as_u16;; /* * Process bridge domain feature enables. @@ -218,9 +224,6 @@ classify_and_dispatch (vlib_main_t * vm, /* mask out features from bitmap using packet type and bd config */ feature_bitmap = config->feature_bitmap & feat_mask; - /* Save interface seq_num */ - vnet_buffer (b0)->l2.int_sn = config->seq_num; - /* save for next feature graph nodes */ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap; diff --git a/src/vnet/l2/l2_learn.c b/src/vnet/l2/l2_learn.c index faed0d6609d..adc5e70f493 100644 --- a/src/vnet/l2/l2_learn.c +++ b/src/vnet/l2/l2_learn.c @@ -141,10 +141,8 @@ l2learn_process (vlib_node_runtime_t * node, if (PREDICT_FALSE (result0->fields.timestamp != timestamp)) result0->fields.timestamp = timestamp; if (PREDICT_FALSE - (result0->fields.int_sn != vnet_buffer (b0)->l2.int_sn)) - result0->fields.int_sn = vnet_buffer (b0)->l2.int_sn; - if (PREDICT_FALSE (result0->fields.bd_sn != vnet_buffer (b0)->l2.bd_sn)) - result0->fields.bd_sn = vnet_buffer (b0)->l2.bd_sn; + (result0->fields.sn.as_u16 != vnet_buffer (b0)->l2.l2fib_sn)) + result0->fields.sn.as_u16 = vnet_buffer (b0)->l2.l2fib_sn; } else if (result0->raw == ~0) { @@ -171,8 +169,7 @@ l2learn_process (vlib_node_runtime_t * node, result0->raw = 0; /* clear all fields */ result0->fields.sw_if_index = sw_if_index0; result0->fields.timestamp = timestamp; - result0->fields.bd_sn = vnet_buffer (b0)->l2.bd_sn; - result0->fields.int_sn = vnet_buffer (b0)->l2.int_sn; + result0->fields.sn.as_u16 = vnet_buffer (b0)->l2.l2fib_sn; kv.key = key0->raw; kv.value = result0->raw; @@ -210,8 +207,7 @@ l2learn_process (vlib_node_runtime_t * node, result0->raw = 0; /* clear all fields */ result0->fields.sw_if_index = sw_if_index0; result0->fields.timestamp = timestamp; - result0->fields.bd_sn = vnet_buffer (b0)->l2.bd_sn; - result0->fields.int_sn = vnet_buffer (b0)->l2.int_sn; + result0->fields.sn.as_u16 = vnet_buffer (b0)->l2.l2fib_sn; kv.key = key0->raw; kv.value = result0->raw; |