X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvpp%2Fstats%2Fstats.c;h=452871febdc377067cbac724edbc5c73d46f1dfa;hb=e906aacc1089ce86158486ec52d37a8470359ec2;hp=4ac96dfa7e3f9b468985af3949f7fd2fbe6bdaa2;hpb=6c4dae27e75fc668f86c9cca0f3f58273b680621;p=vpp.git diff --git a/src/vpp/stats/stats.c b/src/vpp/stats/stats.c index 4ac96dfa7e3..452871febdc 100644 --- a/src/vpp/stats/stats.c +++ b/src/vpp/stats/stats.c @@ -18,6 +18,7 @@ #include #include #include +#include #define STATS_DEBUG 0 @@ -47,23 +48,24 @@ stats_main_t stats_main; #define foreach_stats_msg \ _(WANT_STATS, want_stats) \ _(VNET_INTERFACE_SIMPLE_COUNTERS, vnet_interface_simple_counters) \ -_(WANT_INTERFACE_SIMPLE_STATS, want_interface_simple_stats) \ +_(WANT_INTERFACE_SIMPLE_STATS, want_interface_simple_stats) \ _(VNET_INTERFACE_COMBINED_COUNTERS, vnet_interface_combined_counters) \ -_(WANT_INTERFACE_COMBINED_STATS, want_interface_combined_stats) \ +_(WANT_INTERFACE_COMBINED_STATS, want_interface_combined_stats) \ _(WANT_PER_INTERFACE_COMBINED_STATS, want_per_interface_combined_stats) \ -_(WANT_PER_INTERFACE_SIMPLE_STATS, want_per_interface_simple_stats) \ +_(WANT_PER_INTERFACE_SIMPLE_STATS, want_per_interface_simple_stats) \ _(VNET_IP4_FIB_COUNTERS, vnet_ip4_fib_counters) \ -_(WANT_IP4_FIB_STATS, want_ip4_fib_stats) \ +_(WANT_IP4_FIB_STATS, want_ip4_fib_stats) \ _(VNET_IP6_FIB_COUNTERS, vnet_ip6_fib_counters) \ -_(WANT_IP6_FIB_STATS, want_ip6_fib_stats) \ +_(WANT_IP6_FIB_STATS, want_ip6_fib_stats) \ _(WANT_IP4_MFIB_STATS, want_ip4_mfib_stats) \ _(WANT_IP6_MFIB_STATS, want_ip6_mfib_stats) \ _(VNET_IP4_NBR_COUNTERS, vnet_ip4_nbr_counters) \ -_(WANT_IP4_NBR_STATS, want_ip4_nbr_stats) \ -_(VNET_IP6_NBR_COUNTERS, vnet_ip6_nbr_counters) \ -_(WANT_IP6_NBR_STATS, want_ip6_nbr_stats) \ -_(VNET_GET_SUMMARY_STATS, vnet_get_summary_stats) - +_(WANT_IP4_NBR_STATS, want_ip4_nbr_stats) \ +_(VNET_IP6_NBR_COUNTERS, vnet_ip6_nbr_counters) \ +_(WANT_IP6_NBR_STATS, want_ip6_nbr_stats) \ +_(VNET_GET_SUMMARY_STATS, vnet_get_summary_stats) \ +_(STATS_GET_POLLER_DELAY, stats_get_poller_delay) \ +_(WANT_UDP_ENCAP_STATS, want_udp_encap_stats) #define vl_msg_name_crc_list #include @@ -85,6 +87,7 @@ setup_message_id_table (api_main_t * am) #define IP6_FIB_COUNTER_BATCH_SIZE 30 #define IP4_MFIB_COUNTER_BATCH_SIZE 24 #define IP6_MFIB_COUNTER_BATCH_SIZE 15 +#define UDP_ENCAP_COUNTER_BATCH_SIZE (1024 / sizeof(vl_api_udp_encap_counter_t)) /* 5ms */ #define STATS_RELEASE_DELAY_NS (1000 * 1000 * 5) @@ -294,6 +297,8 @@ set_client_for_stat (u32 reg, u32 item, vpe_client_registration_t * client) { pool_get (sm->stats_registrations[reg], registration); registration->item = item; + registration->client_hash = NULL; + registration->clients = NULL; hash_set (sm->stats_registration_hash[reg], item, registration - sm->stats_registrations[reg]); } @@ -316,13 +321,39 @@ set_client_for_stat (u32 reg, u32 item, vpe_client_registration_t * client) return 1; //At least one client is doing something ... poll } -int -clear_client_for_stat (u32 reg, u32 item, u32 client_index) +static void +clear_one_client (u32 reg_index, u32 reg, u32 item, u32 client_index) { stats_main_t *sm = &stats_main; vpe_client_stats_registration_t *registration; vpe_client_registration_t *client; uword *p; + + registration = pool_elt_at_index (sm->stats_registrations[reg], reg_index); + p = hash_get (registration->client_hash, client_index); + + if (p) + { + client = pool_elt_at_index (registration->clients, p[0]); + hash_unset (registration->client_hash, client->client_index); + pool_put (registration->clients, client); + + /* Now check if that was the last client for that item */ + if (0 == pool_elts (registration->clients)) + { + hash_unset (sm->stats_registration_hash[reg], item); + hash_free (registration->client_hash); + pool_free (registration->clients); + pool_put (sm->stats_registrations[reg], registration); + } + } +} + +int +clear_client_for_stat (u32 reg, u32 item, u32 client_index) +{ + stats_main_t *sm = &stats_main; + uword *p; int i, elts; /* Clear the client first */ @@ -333,24 +364,35 @@ clear_client_for_stat (u32 reg, u32 item, u32 client_index) goto exit; /* If there is, is our client_index one of them */ - registration = pool_elt_at_index (sm->stats_registrations[reg], p[0]); - p = hash_get (registration->client_hash, client_index); + clear_one_client (p[0], reg, item, client_index); - if (!p) - goto exit; +exit: + elts = 0; + /* Now check if that was the last item in any of the listened to stats */ + for (i = 0; i < STATS_REG_N_IDX; i++) + { + elts += pool_elts (sm->stats_registrations[i]); + } + return elts; +} - client = pool_elt_at_index (registration->clients, p[0]); - hash_unset (registration->client_hash, client->client_index); - pool_put (registration->clients, client); +static int +clear_client_for_all_stats (u32 client_index) +{ + stats_main_t *sm = &stats_main; + u32 reg_index, item, reg; + int i, elts; - /* Now check if that was the last client for that item */ - if (0 == pool_elts (registration->clients)) + /* *INDENT-OFF* */ + vec_foreach_index(reg, sm->stats_registration_hash) { - hash_unset (sm->stats_registration_hash[reg], item); - pool_put (sm->stats_registrations[reg], registration); + hash_foreach(item, reg_index, sm->stats_registration_hash[reg], + ({ + clear_one_client(reg_index, reg, item, client_index); + })); } + /* *INDENT-OFF* */ -exit: elts = 0; /* Now check if that was the last item in any of the listened to stats */ for (i = 0; i < STATS_REG_N_IDX; i++) @@ -360,6 +402,22 @@ exit: return elts; } +static clib_error_t * +want_stats_reaper (u32 client_index) +{ + stats_main_t *sm = &stats_main; + + sm->enable_poller = clear_client_for_all_stats (client_index); + + return (NULL); +} + +VL_MSG_API_REAPER_FUNCTION (want_stats_reaper); + + +/* + * Return a copy of the clients list. + */ vpe_client_registration_t * get_clients_for_stat (u32 reg, u32 item) { @@ -378,10 +436,13 @@ get_clients_for_stat (u32 reg, u32 item) registration = pool_elt_at_index (sm->stats_registrations[reg], p[0]); vec_reset_length (clients); - pool_foreach (client, registration->clients, ( - { - vec_add1 (clients, *client);} - )); + + /* *INDENT-OFF* */ + pool_foreach (client, registration->clients, + ({ + vec_add1 (clients, *client);} + )); + /* *INDENT-ON* */ return clients; } @@ -578,7 +639,7 @@ static void { vpe_client_registration_t *clients, client; stats_main_t *sm = &stats_main; - svm_queue_t *q, *q_prev = NULL; + vl_api_registration_t *reg, *reg_prev = NULL; vl_api_vnet_interface_combined_counters_t *mp_copy = NULL; u32 mp_size; int i; @@ -592,26 +653,27 @@ static void for (i = 0; i < vec_len (clients); i++) { client = clients[i]; - q = vl_api_client_index_to_input_queue (client.client_index); - if (q) + reg = vl_api_client_index_to_registration (client.client_index); + if (reg) { - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { mp_copy = vl_msg_api_alloc_as_if_client (mp_size); clib_memcpy (mp_copy, mp, mp_size); - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); mp = mp_copy; } - q_prev = q; + reg_prev = reg; } } + vec_free (clients); #if STATS_DEBUG > 0 fformat (stdout, "%U\n", format_vnet_combined_counters, mp); #endif - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); } else { @@ -687,15 +749,20 @@ static void uword *p; i32 retval = 0; vl_api_registration_t *reg; - int i; - u32 swif; + u32 i, swif, num = 0; - // Validate we have good sw_if_indexes before registering - for (i = 0; i < mp->num; i++) + num = ntohl (mp->num); + + /* + * Validate sw_if_indexes before registering + */ + for (i = 0; i < num; i++) { - swif = mp->sw_ifs[i]; + swif = ntohl (mp->sw_ifs[i]); - /* Check its a real sw_if_index that the client is allowed to see */ + /* + * Check its a real sw_if_index that the client is allowed to see + */ if (swif != ~0) { if (pool_is_free_index (sm->interface_main->sw_interfaces, swif)) @@ -706,23 +773,24 @@ static void } } - for (i = 0; i < mp->num; i++) + for (i = 0; i < num; i++) { - swif = mp->sw_ifs[i]; + swif = ntohl (mp->sw_ifs[i]); rp.client_index = mp->client_index; rp.client_pid = mp->pid; handle_client_registration (&rp, IDX_PER_INTERFACE_COMBINED_COUNTERS, - swif, mp->enable_disable); + swif, ntohl (mp->enable_disable)); } reply: reg = vl_api_client_index_to_registration (mp->client_index); if (!reg) { - for (i = 0; i < mp->num; i++) + for (i = 0; i < num; i++) { - swif = mp->sw_ifs[i]; + swif = ntohl (mp->sw_ifs[i]); + sm->enable_poller = clear_client_for_stat (IDX_PER_INTERFACE_COMBINED_COUNTERS, swif, mp->client_index); @@ -748,53 +816,21 @@ do_combined_per_interface_counters (stats_main_t * sm) vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr; vl_api_registration_t *vl_reg; vlib_combined_counter_main_t *cm; - /* - * items_this_message will eventually be used to optimise the batching - * of per client messages for each stat. For now setting this to 1 then - * iterate. This will not affect API. - * - * FIXME instead of enqueueing here, this should be sent to a batch - * storer for per-client transmission. Each "mp" sent would be a single entry - * and if a client is listening to other sw_if_indexes for same, it would be - * appended to that *mp - */ - u32 items_this_message = 1; - vnet_combined_counter_t *vp = 0; + vl_api_vnet_combined_counter_t *vp = 0; vlib_counter_t v; - int i, j; - u32 timestamp; + u32 i, j; vpe_client_stats_registration_t *reg; vpe_client_registration_t *client; u32 *sw_if_index = 0; - /* - FIXME(s): - - capturing the timestamp of the counters "when VPP knew them" is important. - Less so is that the timing of the delivery to the control plane be in the same - timescale. - - i.e. As long as the control plane can delta messages from VPP and work out - velocity etc based on the timestamp, it can do so in a more "batch mode". - - It would be beneficial to keep a "per-client" message queue, and then - batch all the stat messages for a client into one message, with - discrete timestamps. - - Given this particular API is for "per interface" one assumes that the scale - is less than the ~0 case, which the prior API is suited for. - */ vnet_interface_counter_lock (im); - timestamp = vlib_time_now (sm->vlib_main); - vec_reset_length (sm->regs_tmp); /* *INDENT-OFF* */ pool_foreach (reg, sm->stats_registrations[IDX_PER_INTERFACE_COMBINED_COUNTERS], - ({ - vec_add1 (sm->regs_tmp, reg); - })); + ({ vec_add1 (sm->regs_tmp, reg); })); /* *INDENT-ON* */ for (i = 0; i < vec_len (sm->regs_tmp); i++) @@ -810,13 +846,10 @@ do_combined_per_interface_counters (stats_main_t * sm) vec_reset_length (sm->clients_tmp); /* *INDENT-OFF* */ - pool_foreach (client, reg->clients, ({ - vec_add1 (sm->clients_tmp, client); - })); + pool_foreach (client, reg->clients, ({ vec_add1 (sm->clients_tmp, + client);})); /* *INDENT-ON* */ - //FIXME - should be doing non-variant part of mp here and managing - // any alloc per client in that vec_foreach for (j = 0; j < vec_len (sm->clients_tmp); j++) { client = sm->clients_tmp[j]; @@ -831,37 +864,69 @@ do_combined_per_interface_counters (stats_main_t * sm) reg->item, client->client_index); continue; } + mp = vl_msg_api_alloc_as_if_client (sizeof (*mp) + sizeof (*vp)); + memset (mp, 0, sizeof (*mp)); - mp = vl_msg_api_alloc (sizeof (*mp) + - (items_this_message * - (sizeof (*vp) /* rx */ ))); - - // FIXME when optimising for items_this_message > 1 need to include a - // SIMPLE_INTERFACE_BATCH_SIZE check. mp->_vl_msg_id = ntohs (VL_API_VNET_PER_INTERFACE_COMBINED_COUNTERS); - mp->count = items_this_message; - mp->timestamp = timestamp; - vp = (vnet_combined_counter_t *) mp->data; - + /* + * count will eventually be used to optimise the batching + * of per client messages for each stat. For now setting this to 1 then + * iterate. This will not affect API. + * + * FIXME instead of enqueueing here, this should be sent to a batch + * storer for per-client transmission. Each "mp" sent would be a single entry + * and if a client is listening to other sw_if_indexes for same, it would be + * appended to that *mp + * + * + * FIXME(s): + * - capturing the timestamp of the counters "when VPP knew them" is important. + * Less so is that the timing of the delivery to the control plane be in the same + * timescale. + + * i.e. As long as the control plane can delta messages from VPP and work out + * velocity etc based on the timestamp, it can do so in a more "batch mode". + + * It would be beneficial to keep a "per-client" message queue, and then + * batch all the stat messages for a client into one message, with + * discrete timestamps. + + * Given this particular API is for "per interface" one assumes that the scale + * is less than the ~0 case, which the prior API is suited for. + */ + + /* + * 1 message per api call for now + */ + mp->count = htonl (1); + mp->timestamp = htonl (vlib_time_now (sm->vlib_main)); + + vp = (vl_api_vnet_combined_counter_t *) mp->data; vp->sw_if_index = htonl (reg->item); - cm = im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX; - vlib_get_combined_counter (cm, reg->item, &v); - clib_mem_unaligned (&vp->rx_packets, u64) - = clib_host_to_net_u64 (v.packets); - clib_mem_unaligned (&vp->rx_bytes, u64) = - clib_host_to_net_u64 (v.bytes); + im = &vnet_get_main ()->interface_main; + +#define _(X, x) \ + cm = im->combined_sw_if_counters + X; \ + vlib_get_combined_counter (cm, reg->item, &v); \ + clib_mem_unaligned (&vp->x##_packets, u64) = \ + clib_host_to_net_u64 (v.packets); \ + clib_mem_unaligned (&vp->x##_bytes, u64) = \ + clib_host_to_net_u64 (v.bytes); - /* TX vlib_counter_t packets/bytes */ - cm = im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_TX; - vlib_get_combined_counter (cm, reg->item, &v); - clib_mem_unaligned (&vp->tx_packets, u64) - = clib_host_to_net_u64 (v.packets); - clib_mem_unaligned (&vp->tx_bytes, u64) = - clib_host_to_net_u64 (v.bytes); + _(VNET_INTERFACE_COUNTER_RX, rx); + _(VNET_INTERFACE_COUNTER_TX, tx); + _(VNET_INTERFACE_COUNTER_RX_UNICAST, rx_unicast); + _(VNET_INTERFACE_COUNTER_TX_UNICAST, tx_unicast); + _(VNET_INTERFACE_COUNTER_RX_MULTICAST, rx_multicast); + _(VNET_INTERFACE_COUNTER_TX_MULTICAST, tx_multicast); + _(VNET_INTERFACE_COUNTER_RX_BROADCAST, rx_broadcast); + _(VNET_INTERFACE_COUNTER_TX_BROADCAST, tx_broadcast); + +#undef _ vl_api_send_msg (vl_reg, (u8 *) mp); } @@ -886,12 +951,13 @@ static void uword *p; i32 retval = 0; vl_api_registration_t *reg; - int i; - u32 swif; + u32 i, swif, num = 0; - for (i = 0; i < mp->num; i++) + num = ntohl (mp->num); + + for (i = 0; i < num; i++) { - swif = mp->sw_ifs[i]; + swif = ntohl (mp->sw_ifs[i]); /* Check its a real sw_if_index that the client is allowed to see */ if (swif != ~0) @@ -904,14 +970,14 @@ static void } } - for (i = 0; i < mp->num; i++) + for (i = 0; i < num; i++) { - swif = mp->sw_ifs[i]; + swif = ntohl (mp->sw_ifs[i]); rp.client_index = mp->client_index; rp.client_pid = mp->pid; handle_client_registration (&rp, IDX_PER_INTERFACE_SIMPLE_COUNTERS, - swif, mp->enable_disable); + swif, ntohl (mp->enable_disable)); } reply: @@ -920,9 +986,9 @@ reply: /* Client may have disconnected abruptly, clean up */ if (!reg) { - for (i = 0; i < mp->num; i++) + for (i = 0; i < num; i++) { - swif = mp->sw_ifs[i]; + swif = ntohl (mp->sw_ifs[i]); sm->enable_poller = clear_client_for_stat (IDX_PER_INTERFACE_SIMPLE_COUNTERS, swif, mp->client_index); @@ -950,52 +1016,21 @@ do_simple_per_interface_counters (stats_main_t * sm) vl_shmem_hdr_t *shmem_hdr = am->shmem_hdr; vl_api_registration_t *vl_reg; vlib_simple_counter_main_t *cm; - /* - * items_this_message will eventually be used to optimise the batching - * of per client messages for each stat. For now setting this to 1 then - * iterate. This will not affect API. - * - * FIXME instead of enqueueing here, this should be sent to a batch - * storer for per-client transmission. Each "mp" sent would be a single entry - * and if a client is listening to other sw_if_indexes for same, it would be - * appended to that *mp - */ - u32 items_this_message = 1; - int i, j, size; + u32 i, j, size; vpe_client_stats_registration_t *reg; vpe_client_registration_t *client; - u32 timestamp; - u32 count; - vnet_simple_counter_t *vp = 0; + u32 timestamp, count; + vl_api_vnet_simple_counter_t *vp = 0; counter_t v; - /* - FIXME(s): - - capturing the timestamp of the counters "when VPP knew them" is important. - Less so is that the timing of the delivery to the control plane be in the same - timescale. - - i.e. As long as the control plane can delta messages from VPP and work out - velocity etc based on the timestamp, it can do so in a more "batch mode". - - It would be beneficial to keep a "per-client" message queue, and then - batch all the stat messages for a client into one message, with - discrete timestamps. - - Given this particular API is for "per interface" one assumes that the scale - is less than the ~0 case, which the prior API is suited for. - */ vnet_interface_counter_lock (im); - timestamp = vlib_time_now (sm->vlib_main); - vec_reset_length (sm->regs_tmp); /* *INDENT-OFF* */ pool_foreach (reg, - sm->stats_registrations[IDX_PER_INTERFACE_SIMPLE_COUNTERS], ({ - vec_add1 (sm->regs_tmp, reg); - })); + sm->stats_registrations[IDX_PER_INTERFACE_SIMPLE_COUNTERS], + ({ vec_add1 (sm->regs_tmp, reg); })); /* *INDENT-ON* */ for (i = 0; i < vec_len (sm->regs_tmp); i++) @@ -1011,13 +1046,10 @@ do_simple_per_interface_counters (stats_main_t * sm) vec_reset_length (sm->clients_tmp); /* *INDENT-OFF* */ - pool_foreach (client, reg->clients, ({ - vec_add1 (sm->clients_tmp, client); - })); + pool_foreach (client, reg->clients, ({ vec_add1 (sm->clients_tmp, + client);})); /* *INDENT-ON* */ - //FIXME - should be doing non-variant part of mp here and managing - // any alloc per client in that vec_foreach for (j = 0; j < vec_len (sm->clients_tmp); j++) { client = sm->clients_tmp[j]; @@ -1032,19 +1064,46 @@ do_simple_per_interface_counters (stats_main_t * sm) continue; } - size = (sizeof (*mp) + (items_this_message * (sizeof (u64) * 10))); - mp = vl_msg_api_alloc (size); - // FIXME when optimising for items_this_message > 1 need to include a - // SIMPLE_INTERFACE_BATCH_SIZE check. + mp = vl_msg_api_alloc_as_if_client (sizeof (*mp) + sizeof (*vp)); + memset (mp, 0, sizeof (*mp)); mp->_vl_msg_id = ntohs (VL_API_VNET_PER_INTERFACE_SIMPLE_COUNTERS); - mp->count = items_this_message; - mp->timestamp = timestamp; - vp = (vnet_simple_counter_t *) mp->data; + /* + * count will eventually be used to optimise the batching + * of per client messages for each stat. For now setting this to 1 then + * iterate. This will not affect API. + * + * FIXME instead of enqueueing here, this should be sent to a batch + * storer for per-client transmission. Each "mp" sent would be a single entry + * and if a client is listening to other sw_if_indexes for same, it would be + * appended to that *mp + * + * + * FIXME(s): + * - capturing the timestamp of the counters "when VPP knew them" is important. + * Less so is that the timing of the delivery to the control plane be in the same + * timescale. + + * i.e. As long as the control plane can delta messages from VPP and work out + * velocity etc based on the timestamp, it can do so in a more "batch mode". + + * It would be beneficial to keep a "per-client" message queue, and then + * batch all the stat messages for a client into one message, with + * discrete timestamps. + + * Given this particular API is for "per interface" one assumes that the scale + * is less than the ~0 case, which the prior API is suited for. + */ + + /* + * 1 message per api call for now + */ + mp->count = htonl (1); + mp->timestamp = htonl (vlib_time_now (sm->vlib_main)); + vp = (vl_api_vnet_simple_counter_t *) mp->data; vp->sw_if_index = htonl (reg->item); - //FIXME will be simpler with a preprocessor macro // VNET_INTERFACE_COUNTER_DROP cm = im->sw_if_counters + VNET_INTERFACE_COUNTER_DROP; v = vlib_get_simple_counter (cm, reg->item); @@ -2079,6 +2138,245 @@ again: vl_msg_api_free (mp); } +typedef struct udp_encap_stat_t_ +{ + u32 ue_id; + u64 stats[2]; +} udp_encap_stat_t; + +typedef struct udp_encap_stats_walk_t_ +{ + udp_encap_stat_t *stats; +} udp_encap_stats_walk_t; + +static int +udp_encap_stats_walk_cb (index_t uei, void *arg) +{ + udp_encap_stats_walk_t *ctx = arg; + udp_encap_stat_t *stat; + udp_encap_t *ue; + + ue = udp_encap_get (uei); + vec_add2 (ctx->stats, stat, 1); + + stat->ue_id = uei; + udp_encap_get_stats (ue->ue_id, &stat->stats[0], &stat->stats[1]); + + return (1); +} + +static void +udp_encap_ship (udp_encap_stats_walk_t * ctx) +{ + vl_api_vnet_udp_encap_counters_t *mp; + vl_shmem_hdr_t *shmem_hdr; + stats_main_t *sm; + api_main_t *am; + svm_queue_t *q; + + mp = NULL; + sm = &stats_main; + am = sm->api_main; + shmem_hdr = am->shmem_hdr; + q = shmem_hdr->vl_input_queue; + + /* + * If the walk context has counters, which may be left over from the last + * suspend, then we continue from there. + */ + while (0 != vec_len (ctx->stats)) + { + u32 n_items = MIN (vec_len (ctx->stats), + UDP_ENCAP_COUNTER_BATCH_SIZE); + u8 pause = 0; + + dslock (sm, 0 /* release hint */ , 1 /* tag */ ); + + mp = vl_msg_api_alloc_as_if_client (sizeof (*mp) + + (n_items * + sizeof + (vl_api_udp_encap_counter_t))); + mp->_vl_msg_id = ntohs (VL_API_VNET_UDP_ENCAP_COUNTERS); + mp->count = ntohl (n_items); + + /* + * copy the counters from the back of the context, then we can easily + * 'erase' them by resetting the vector length. + * The order we push the stats to the caller is not important. + */ + clib_memcpy (mp->c, + &ctx->stats[vec_len (ctx->stats) - n_items], + n_items * sizeof (*ctx->stats)); + + _vec_len (ctx->stats) = vec_len (ctx->stats) - n_items; + + /* + * send to the shm q + */ + svm_queue_lock (q); + pause = svm_queue_is_full (q); + + vl_msg_api_send_shmem_nolock (q, (u8 *) & mp); + svm_queue_unlock (q); + dsunlock (sm); + + if (pause) + ip46_fib_stats_delay (sm, 0 /* sec */ , + STATS_RELEASE_DELAY_NS); + } +} + +static void +do_udp_encap_counters (stats_main_t * sm) +{ + udp_encap_stat_t *stat; + + udp_encap_stats_walk_t ctx = { + .stats = NULL, + }; + + dslock (sm, 0 /* release hint */ , 1 /* tag */ ); + udp_encap_walk (udp_encap_stats_walk_cb, &ctx); + dsunlock (sm); + + udp_encap_ship (&ctx); +} + +int +stats_set_poller_delay (u32 poller_delay_sec) +{ + stats_main_t *sm = &stats_main; + if (!poller_delay_sec) + { + return VNET_API_ERROR_INVALID_ARGUMENT; + } + else + { + sm->stats_poll_interval_in_seconds = poller_delay_sec; + return 0; + } +} + +/* + * Accept connection on the socket and exchange the fd for the shared + * memory segment. + */ +static clib_error_t * +stats_socket_accept_ready (clib_file_t * uf) +{ + stats_main_t *sm = &stats_main; + ssvm_private_t *ssvmp = &sm->stat_segment; + clib_error_t *err; + clib_socket_t client = { 0 }; + + err = clib_socket_accept (sm->socket, &client); + if (err) + { + clib_error_report (err); + return err; + } + + /* Send the fd across and close */ + err = clib_socket_sendmsg (&client, 0, 0, &ssvmp->fd, 1); + if (err) + clib_error_report (err); + clib_socket_close (&client); + + return 0; +} + +static void +stats_segment_socket_init (void) +{ + stats_main_t *sm = &stats_main; + clib_error_t *error; + clib_socket_t *s = clib_mem_alloc (sizeof (clib_socket_t)); + + s->config = (char *) sm->socket_name; + s->flags = CLIB_SOCKET_F_IS_SERVER | CLIB_SOCKET_F_SEQPACKET | + CLIB_SOCKET_F_ALLOW_GROUP_WRITE | CLIB_SOCKET_F_PASSCRED; + if ((error = clib_socket_init (s))) + { + clib_error_report (error); + return; + } + + clib_file_t template = { 0 }; + clib_file_main_t *fm = &file_main; + template.read_function = stats_socket_accept_ready; + template.file_descriptor = s->fd; + template.description = + format (0, "stats segment listener %s", STAT_SEGMENT_SOCKET_FILE); + clib_file_add (fm, &template); + + sm->socket = s; +} + +static clib_error_t * +stats_config (vlib_main_t * vm, unformat_input_t * input) +{ + stats_main_t *sm = &stats_main; + u32 sec; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "socket-name %s", &sm->socket_name)) + ; + else if (unformat (input, "default")) + sm->socket_name = format (0, "%s", STAT_SEGMENT_SOCKET_FILE); + else if (unformat (input, "interval %u", &sec)) + { + int rv = stats_set_poller_delay (sec); + if (rv) + { + return clib_error_return (0, + "`stats_set_poller_delay' API call failed, rv=%d:%U", + (int) rv, format_vnet_api_errno, rv); + } + } + else + { + return clib_error_return (0, "unknown input '%U'", + format_unformat_error, input); + } + } + + if (sm->socket_name) + stats_segment_socket_init (); + + return 0; +} + +/* stats { ... } configuration. */ +/*? + * + * @cfgcmd{interval, <seconds>} + * Configure stats poller delay to be @c seconds. + * +?*/ +VLIB_CONFIG_FUNCTION (stats_config, "stats"); + +static void + vl_api_stats_get_poller_delay_t_handler + (vl_api_stats_get_poller_delay_t * mp) +{ + stats_main_t *sm = &stats_main; + vl_api_registration_t *reg; + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + vl_api_stats_get_poller_delay_reply_t *rmp; + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_WANT_PER_INTERFACE_SIMPLE_STATS_REPLY); + rmp->context = mp->context; + rmp->retval = 0; + rmp->delay = clib_host_to_net_u32 (sm->stats_poll_interval_in_seconds); + + vl_api_send_msg (reg, (u8 *) rmp); + +} + static void stats_thread_fn (void *arg) { @@ -2101,13 +2399,15 @@ stats_thread_fn (void *arg) while (1) { - /* 10 second poll interval */ - ip46_fib_stats_delay (sm, 10 /* secs */ , 0 /* nsec */ ); + ip46_fib_stats_delay (sm, sm->stats_poll_interval_in_seconds, + 0 /* nsec */ ); + + /* Always update stats segment data */ + do_stat_segment_updates (sm); if (!(sm->enable_poller)) - { - continue; - } + continue; + if (pool_elts (sm->stats_registrations[IDX_PER_INTERFACE_COMBINED_COUNTERS])) do_combined_per_interface_counters (sm); @@ -2133,6 +2433,9 @@ stats_thread_fn (void *arg) if (pool_elts (sm->stats_registrations[IDX_IP6_NBR_COUNTERS])) do_ip6_nbr_counters (sm); + + if (pool_elts (sm->stats_registrations[IDX_UDP_ENCAP_COUNTERS])) + do_udp_encap_counters (sm); } } @@ -2142,7 +2445,7 @@ static void { vpe_client_registration_t *clients, client; stats_main_t *sm = &stats_main; - svm_queue_t *q, *q_prev = NULL; + vl_api_registration_t *reg, *reg_prev = NULL; vl_api_vnet_interface_simple_counters_t *mp_copy = NULL; u32 mp_size; int i; @@ -2156,17 +2459,17 @@ static void for (i = 0; i < vec_len (clients); i++) { client = clients[i]; - q = vl_api_client_index_to_input_queue (client.client_index); - if (q) + reg = vl_api_client_index_to_registration (client.client_index); + if (reg) { - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { mp_copy = vl_msg_api_alloc_as_if_client (mp_size); clib_memcpy (mp_copy, mp, mp_size); - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); mp = mp_copy; } - q_prev = q; + reg_prev = reg; } else { @@ -2176,14 +2479,15 @@ static void continue; } } + vec_free (clients); #if STATS_DEBUG > 0 fformat (stdout, "%U\n", format_vnet_simple_counters, mp); #endif - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); } else { @@ -2195,7 +2499,7 @@ static void vl_api_vnet_ip4_fib_counters_t_handler (vl_api_vnet_ip4_fib_counters_t * mp) { stats_main_t *sm = &stats_main; - svm_queue_t *q, *q_prev = NULL; + vl_api_registration_t *reg, *reg_prev = NULL; vl_api_vnet_ip4_fib_counters_t *mp_copy = NULL; u32 mp_size; vpe_client_registration_t *clients, client; @@ -2210,17 +2514,17 @@ vl_api_vnet_ip4_fib_counters_t_handler (vl_api_vnet_ip4_fib_counters_t * mp) for (i = 0; i < vec_len (clients); i++) { client = clients[i]; - q = vl_api_client_index_to_input_queue (client.client_index); - if (q) + reg = vl_api_client_index_to_registration (client.client_index); + if (reg) { - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { mp_copy = vl_msg_api_alloc_as_if_client (mp_size); clib_memcpy (mp_copy, mp, mp_size); - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); mp = mp_copy; } - q_prev = q; + reg_prev = reg; } else { @@ -2229,10 +2533,11 @@ vl_api_vnet_ip4_fib_counters_t_handler (vl_api_vnet_ip4_fib_counters_t * mp) continue; } } + vec_free (clients); - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); } else { @@ -2244,7 +2549,7 @@ static void vl_api_vnet_ip4_nbr_counters_t_handler (vl_api_vnet_ip4_nbr_counters_t * mp) { stats_main_t *sm = &stats_main; - svm_queue_t *q, *q_prev = NULL; + vl_api_registration_t *reg, *reg_prev = NULL; vl_api_vnet_ip4_nbr_counters_t *mp_copy = NULL; u32 mp_size; vpe_client_registration_t *clients, client; @@ -2259,17 +2564,17 @@ vl_api_vnet_ip4_nbr_counters_t_handler (vl_api_vnet_ip4_nbr_counters_t * mp) for (i = 0; i < vec_len (clients); i++) { client = clients[i]; - q = vl_api_client_index_to_input_queue (client.client_index); - if (q) + reg = vl_api_client_index_to_registration (client.client_index); + if (reg) { - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { mp_copy = vl_msg_api_alloc_as_if_client (mp_size); clib_memcpy (mp_copy, mp, mp_size); - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); mp = mp_copy; } - q_prev = q; + reg_prev = reg; } else { @@ -2278,11 +2583,12 @@ vl_api_vnet_ip4_nbr_counters_t_handler (vl_api_vnet_ip4_nbr_counters_t * mp) continue; } } + vec_free (clients); /* *INDENT-ON* */ - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); } else { @@ -2294,7 +2600,7 @@ static void vl_api_vnet_ip6_fib_counters_t_handler (vl_api_vnet_ip6_fib_counters_t * mp) { stats_main_t *sm = &stats_main; - svm_queue_t *q, *q_prev = NULL; + vl_api_registration_t *reg, *reg_prev = NULL; vl_api_vnet_ip6_fib_counters_t *mp_copy = NULL; u32 mp_size; vpe_client_registration_t *clients, client; @@ -2309,17 +2615,17 @@ vl_api_vnet_ip6_fib_counters_t_handler (vl_api_vnet_ip6_fib_counters_t * mp) for (i = 0; i < vec_len (clients); i++) { client = clients[i]; - q = vl_api_client_index_to_input_queue (client.client_index); - if (q) + reg = vl_api_client_index_to_registration (client.client_index); + if (reg) { - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { mp_copy = vl_msg_api_alloc_as_if_client (mp_size); clib_memcpy (mp_copy, mp, mp_size); - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); mp = mp_copy; } - q_prev = q; + reg_prev = reg; } else { @@ -2328,10 +2634,12 @@ vl_api_vnet_ip6_fib_counters_t_handler (vl_api_vnet_ip6_fib_counters_t * mp) continue; } } + vec_free (clients); + /* *INDENT-ON* */ - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); } else { @@ -2343,7 +2651,7 @@ static void vl_api_vnet_ip6_nbr_counters_t_handler (vl_api_vnet_ip6_nbr_counters_t * mp) { stats_main_t *sm = &stats_main; - svm_queue_t *q, *q_prev = NULL; + vl_api_registration_t *reg, *reg_prev = NULL; vl_api_vnet_ip6_nbr_counters_t *mp_copy = NULL; u32 mp_size; vpe_client_registration_t *clients, client; @@ -2358,17 +2666,17 @@ vl_api_vnet_ip6_nbr_counters_t_handler (vl_api_vnet_ip6_nbr_counters_t * mp) for (i = 0; i < vec_len (clients); i++) { client = clients[i]; - q = vl_api_client_index_to_input_queue (client.client_index); - if (q) + reg = vl_api_client_index_to_registration (client.client_index); + if (reg) { - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { mp_copy = vl_msg_api_alloc_as_if_client (mp_size); clib_memcpy (mp_copy, mp, mp_size); - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); mp = mp_copy; } - q_prev = q; + reg_prev = reg; } else { @@ -2377,10 +2685,12 @@ vl_api_vnet_ip6_nbr_counters_t_handler (vl_api_vnet_ip6_nbr_counters_t * mp) continue; } } + vec_free (clients); + /* *INDENT-ON* */ - if (q_prev && (q_prev->cursize < q_prev->maxsize)) + if (reg_prev && vl_api_can_send_msg (reg_prev)) { - vl_msg_api_send_shmem (q_prev, (u8 *) & mp); + vl_api_send_msg (reg_prev, (u8 *) mp); } else { @@ -2388,6 +2698,41 @@ vl_api_vnet_ip6_nbr_counters_t_handler (vl_api_vnet_ip6_nbr_counters_t * mp) } } +static void +vl_api_want_udp_encap_stats_t_handler (vl_api_want_udp_encap_stats_t * mp) +{ + stats_main_t *sm = &stats_main; + vpe_client_registration_t rp; + vl_api_want_udp_encap_stats_reply_t *rmp; + uword *p; + i32 retval = 0; + vl_api_registration_t *reg; + u32 fib; + + fib = ~0; //Using same mechanism as _per_interface_ + rp.client_index = mp->client_index; + rp.client_pid = mp->pid; + + handle_client_registration (&rp, IDX_UDP_ENCAP_COUNTERS, fib, mp->enable); + +reply: + reg = vl_api_client_index_to_registration (mp->client_index); + + if (!reg) + { + sm->enable_poller = clear_client_for_stat (IDX_UDP_ENCAP_COUNTERS, + fib, mp->client_index); + return; + } + + rmp = vl_msg_api_alloc (sizeof (*rmp)); + rmp->_vl_msg_id = ntohs (VL_API_WANT_UDP_ENCAP_STATS_REPLY); + rmp->context = mp->context; + rmp->retval = retval; + + vl_api_send_msg (reg, (u8 *) rmp); +} + static void vl_api_want_stats_t_handler (vl_api_want_stats_t * mp) {