X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsession_api.c;h=eb5b2c36f99f357c59d09144bb38ad65d3a2f259;hb=b4e5e50fe;hp=0846e571919a9d845982c0416a17102930e2f2ac;hpb=39d69112fcec114fde34955ceb41555221d3ba11;p=vpp.git diff --git a/src/vnet/session/session_api.c b/src/vnet/session/session_api.c index 0846e571919..eb5b2c36f99 100644 --- a/src/vnet/session/session_api.c +++ b/src/vnet/session/session_api.c @@ -22,6 +22,8 @@ #include #include +#include + #include #define vl_typedefs /* define message structures */ @@ -63,6 +65,50 @@ _(APP_ADD_CERT_KEY_PAIR, app_add_cert_key_pair) \ _(APP_DEL_CERT_KEY_PAIR, app_del_cert_key_pair) \ _(APP_WORKER_ADD_DEL, app_worker_add_del) \ +static transport_proto_t +api_session_transport_proto_decode (const vl_api_transport_proto_t * api_tp) +{ + switch (*api_tp) + { + case TRANSPORT_PROTO_API_TCP: + return TRANSPORT_PROTO_TCP; + case TRANSPORT_PROTO_API_UDP: + return TRANSPORT_PROTO_UDP; + case TRANSPORT_PROTO_API_SCTP: + return TRANSPORT_PROTO_SCTP; + case TRANSPORT_PROTO_API_TLS: + return TRANSPORT_PROTO_TLS; + case TRANSPORT_PROTO_API_UDPC: + return TRANSPORT_PROTO_UDPC; + case TRANSPORT_PROTO_API_QUIC: + return TRANSPORT_PROTO_QUIC; + default: + return TRANSPORT_PROTO_NONE; + } +} + +static vl_api_transport_proto_t +api_session_transport_proto_encode (const transport_proto_t tp) +{ + switch (tp) + { + case TRANSPORT_PROTO_TCP: + return TRANSPORT_PROTO_API_TCP; + case TRANSPORT_PROTO_UDP: + return TRANSPORT_PROTO_API_UDP; + case TRANSPORT_PROTO_SCTP: + return TRANSPORT_PROTO_API_SCTP; + case TRANSPORT_PROTO_TLS: + return TRANSPORT_PROTO_API_TLS; + case TRANSPORT_PROTO_UDPC: + return TRANSPORT_PROTO_API_UDPC; + case TRANSPORT_PROTO_QUIC: + return TRANSPORT_PROTO_API_QUIC; + default: + return TRANSPORT_PROTO_API_NONE; + } +} + static int session_send_fds (vl_api_registration_t * reg, int fds[], int n_fds) { @@ -81,6 +127,7 @@ session_send_fds (vl_api_registration_t * reg, int fds[], int n_fds) return 0; } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static int send_add_segment_callback (u32 api_client_index, u64 segment_handle) { @@ -130,6 +177,7 @@ send_add_segment_callback (u32 api_client_index, u64 segment_handle) return 0; } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static int send_del_segment_callback (u32 api_client_index, u64 segment_handle) { @@ -196,6 +244,7 @@ mq_send_session_accepted_cb (session_t * s) mp->server_rx_fifo = pointer_to_uword (s->rx_fifo); mp->server_tx_fifo = pointer_to_uword (s->tx_fifo); mp->segment_handle = session_segment_handle (s); + mp->flags = s->flags; if (session_has_transport (s)) { @@ -467,10 +516,156 @@ mq_send_unlisten_reply (app_worker_t * app_wrk, session_handle_t sh, static void mq_send_session_migrate_cb (session_t * s, session_handle_t new_sh) { - clib_warning ("not supported"); + svm_msg_q_msg_t _msg, *msg = &_msg; + session_migrated_msg_t *mp; + svm_msg_q_t *vpp_evt_q; + app_worker_t *app_wrk; + session_event_t *evt; + svm_msg_q_t *app_mq; + + app_wrk = app_worker_get (s->app_wrk_index); + app_mq = app_wrk->event_queue; + if (mq_try_lock_and_alloc_msg (app_mq, msg)) + return; + + evt = svm_msg_q_msg_data (app_mq, msg); + clib_memset (evt, 0, sizeof (*evt)); + evt->event_type = SESSION_CTRL_EVT_MIGRATED; + mp = (session_migrated_msg_t *) evt->data; + mp->handle = session_handle (s); + mp->new_handle = new_sh; + mp->vpp_thread_index = session_thread_from_handle (new_sh); + vpp_evt_q = session_main_get_vpp_event_queue (mp->vpp_thread_index); + mp->vpp_evt_q = pointer_to_uword (vpp_evt_q); + svm_msg_q_add_and_unlock (app_mq, msg); } -static session_cb_vft_t session_mq_cb_vft = { +static int +mq_send_add_segment_cb (u32 app_wrk_index, u64 segment_handle) +{ + int fds[SESSION_N_FD_TYPE], n_fds = 0; + svm_msg_q_msg_t _msg, *msg = &_msg; + session_app_add_segment_msg_t *mp; + vl_api_registration_t *reg; + app_worker_t *app_wrk; + session_event_t *evt; + svm_msg_q_t *app_mq; + fifo_segment_t *fs; + ssvm_private_t *sp; + u8 fd_flags = 0; + + app_wrk = app_worker_get (app_wrk_index); + + reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index); + if (!reg) + { + clib_warning ("no api registration for client: %u", + app_wrk->api_client_index); + return -1; + } + + fs = segment_manager_get_segment_w_handle (segment_handle); + sp = &fs->ssvm; + if (ssvm_type (sp) == SSVM_SEGMENT_MEMFD) + { + if (vl_api_registration_file_index (reg) == VL_API_INVALID_FI) + { + clib_warning ("can't send memfd fd"); + return -1; + } + + fd_flags |= SESSION_FD_F_MEMFD_SEGMENT; + fds[n_fds] = sp->fd; + n_fds += 1; + } + + app_mq = app_wrk->event_queue; + if (mq_try_lock_and_alloc_msg (app_mq, msg)) + return -1; + + if (n_fds) + session_send_fds (reg, fds, n_fds); + + evt = svm_msg_q_msg_data (app_mq, msg); + clib_memset (evt, 0, sizeof (*evt)); + evt->event_type = SESSION_CTRL_EVT_APP_ADD_SEGMENT; + mp = (session_app_add_segment_msg_t *) evt->data; + clib_memset (mp, 0, sizeof (*mp)); + mp->segment_size = sp->ssvm_size; + mp->fd_flags = fd_flags; + mp->segment_handle = segment_handle; + strncpy ((char *) mp->segment_name, (char *) sp->name, + sizeof (mp->segment_name) - 1); + + svm_msg_q_add_and_unlock (app_mq, msg); + + return 0; +} + +static int +mq_send_del_segment_cb (u32 app_wrk_index, u64 segment_handle) +{ + svm_msg_q_msg_t _msg, *msg = &_msg; + session_app_del_segment_msg_t *mp; + vl_api_registration_t *reg; + app_worker_t *app_wrk; + session_event_t *evt; + svm_msg_q_t *app_mq; + + app_wrk = app_worker_get (app_wrk_index); + reg = vl_mem_api_client_index_to_registration (app_wrk->api_client_index); + if (!reg) + { + clib_warning ("no registration: %u", app_wrk->api_client_index); + return -1; + } + + app_mq = app_wrk->event_queue; + if (mq_try_lock_and_alloc_msg (app_mq, msg)) + return -1; + + evt = svm_msg_q_msg_data (app_mq, msg); + clib_memset (evt, 0, sizeof (*evt)); + evt->event_type = SESSION_CTRL_EVT_APP_DEL_SEGMENT; + mp = (session_app_del_segment_msg_t *) evt->data; + clib_memset (mp, 0, sizeof (*mp)); + mp->segment_handle = segment_handle; + svm_msg_q_add_and_unlock (app_mq, msg); + + return 0; +} + +static void +mq_send_session_cleanup_cb (session_t * s, session_cleanup_ntf_t ntf) +{ + svm_msg_q_msg_t _msg, *msg = &_msg; + session_cleanup_msg_t *mp; + svm_msg_q_t *app_mq; + session_event_t *evt; + app_worker_t *app_wrk; + + /* Only propagate session cleanup notification */ + if (ntf == SESSION_CLEANUP_TRANSPORT) + return; + + app_wrk = app_worker_get_if_valid (s->app_wrk_index); + if (!app_wrk) + return; + + app_mq = app_wrk->event_queue; + if (mq_try_lock_and_alloc_msg (app_mq, msg)) + return; + + evt = svm_msg_q_msg_data (app_mq, msg); + clib_memset (evt, 0, sizeof (*evt)); + evt->event_type = SESSION_CTRL_EVT_CLEANUP; + mp = (session_cleanup_msg_t *) evt->data; + mp->handle = session_handle (s); + svm_msg_q_add_and_unlock (app_mq, msg); +} + +/* ### WILL BE DEPRECATED POST 20.01 ### */ +static session_cb_vft_t session_mq_cb_vft_old = { .session_accept_callback = mq_send_session_accepted_cb, .session_disconnect_callback = mq_send_session_disconnected_cb, .session_connected_callback = mq_send_session_connected_cb, @@ -480,6 +675,17 @@ static session_cb_vft_t session_mq_cb_vft = { .del_segment_callback = send_del_segment_callback, }; +static session_cb_vft_t session_mq_cb_vft = { + .session_accept_callback = mq_send_session_accepted_cb, + .session_disconnect_callback = mq_send_session_disconnected_cb, + .session_connected_callback = mq_send_session_connected_cb, + .session_reset_callback = mq_send_session_reset_cb, + .session_migrate_callback = mq_send_session_migrate_cb, + .session_cleanup_callback = mq_send_session_cleanup_cb, + .add_segment_callback = mq_send_add_segment_cb, + .del_segment_callback = mq_send_del_segment_cb, +}; + static void vl_api_session_enable_disable_t_handler (vl_api_session_enable_disable_t * mp) { @@ -519,19 +725,9 @@ vl_api_application_attach_t_handler (vl_api_application_attach_t * mp) clib_memset (a, 0, sizeof (*a)); a->api_client_index = mp->client_index; a->options = mp->options; - a->session_cb_vft = &session_mq_cb_vft; - if (mp->namespace_id_len > 64) - { - rv = VNET_API_ERROR_INVALID_VALUE; - goto done; - } - - if (mp->namespace_id_len) - { - vec_validate (a->namespace_id, mp->namespace_id_len - 1); - clib_memcpy_fast (a->namespace_id, mp->namespace_id, - mp->namespace_id_len); - } + a->session_cb_vft = &session_mq_cb_vft_old; + a->namespace_id = + (u8 *) vl_api_from_api_to_new_c_string (&mp->namespace_id); if ((rv = vnet_application_attach (a))) { @@ -570,13 +766,8 @@ done: { segp = a->segment; rmp->app_index = clib_host_to_net_u32 (a->app_index); - rmp->segment_name_length = 0; + vl_api_vec_to_api_string (segp->name, &rmp->segment_name); rmp->segment_size = segp->ssvm_size; - if (vec_len (segp->name)) - { - memcpy (rmp->segment_name, segp->name, vec_len (segp->name)); - rmp->segment_name_length = vec_len (segp->name); - } rmp->app_event_queue_address = pointer_to_uword (a->app_evt_q); rmp->n_fds = n_fds; rmp->fd_flags = fd_flags; @@ -618,18 +809,8 @@ vl_api_app_attach_t_handler (vl_api_app_attach_t * mp) a->api_client_index = mp->client_index; a->options = mp->options; a->session_cb_vft = &session_mq_cb_vft; - if (mp->namespace_id_len > 64) - { - rv = VNET_API_ERROR_INVALID_VALUE; - goto done; - } - if (mp->namespace_id_len) - { - vec_validate (a->namespace_id, mp->namespace_id_len - 1); - clib_memcpy_fast (a->namespace_id, mp->namespace_id, - mp->namespace_id_len); - } + a->namespace_id = vl_api_from_api_to_new_vec (&mp->namespace_id); if ((rv = vnet_application_attach (a))) { @@ -676,8 +857,7 @@ done: rmp->fd_flags = fd_flags; if (vec_len (segp->name)) { - memcpy (rmp->segment_name, segp->name, vec_len (segp->name)); - rmp->segment_name_length = vec_len (segp->name); + vl_api_vec_to_api_string (segp->name, &rmp->segment_name); } rmp->segment_size = segp->ssvm_size; rmp->segment_handle = clib_host_to_net_u64 (a->segment_handle); @@ -887,6 +1067,7 @@ vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t * } } +/* ### WILL BE DEPRECATED POST 20.01 ### */ static void vl_api_map_another_segment_reply_t_handler (vl_api_map_another_segment_reply_t * mp) @@ -902,7 +1083,6 @@ vl_api_bind_sock_t_handler (vl_api_bind_sock_t * mp) vl_api_bind_sock_reply_t *rmp; application_t *app = 0; app_worker_t *app_wrk; - ip46_address_t *ip46; int rv = 0; if (session_main_is_enabled () == 0) @@ -918,14 +1098,13 @@ vl_api_bind_sock_t_handler (vl_api_bind_sock_t * mp) goto done; } - ip46 = (ip46_address_t *) mp->ip; clib_memset (a, 0, sizeof (*a)); - a->sep.is_ip4 = mp->is_ip4; - a->sep.ip = *ip46; + ip_address_decode (&mp->ip, &a->sep.ip); + a->sep.is_ip4 = ip46_address_is_ip4 (&a->sep.ip); a->sep.port = mp->port; a->sep.fib_index = mp->vrf; a->sep.sw_if_index = ENDPOINT_INVALID_INDEX; - a->sep.transport_proto = mp->proto; + a->sep.transport_proto = api_session_transport_proto_decode (&mp->proto); a->app_index = app->app_index; a->wrk_map_index = mp->wrk_index; @@ -1006,24 +1185,20 @@ vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp) if (app) { svm_queue_t *client_q; - ip46_address_t *ip46 = (ip46_address_t *) mp->ip; clib_memset (a, 0, sizeof (*a)); client_q = vl_api_client_index_to_input_queue (mp->client_index); mp->client_queue_address = pointer_to_uword (client_q); - a->sep.is_ip4 = mp->is_ip4; - a->sep.ip = *ip46; + ip_address_decode (&mp->ip, &a->sep.ip); + a->sep.is_ip4 = ip46_address_is_ip4 (&a->sep.ip); a->sep.port = mp->port; - a->sep.transport_proto = mp->proto; + a->sep.transport_proto = + api_session_transport_proto_decode (&mp->proto); a->sep.peer.fib_index = mp->vrf; a->sep.peer.sw_if_index = ENDPOINT_INVALID_INDEX; a->sep_ext.parent_handle = mp->parent_handle; - if (mp->hostname_len) - { - vec_validate (a->sep_ext.hostname, mp->hostname_len - 1); - clib_memcpy_fast (a->sep_ext.hostname, mp->hostname, - mp->hostname_len); - } + a->sep_ext.hostname = + (u8 *) vl_api_from_api_to_new_c_string (&mp->hostname); a->api_context = mp->context; a->app_index = app->app_index; a->wrk_map_index = mp->wrk_index; @@ -1117,9 +1292,7 @@ done: { if (vec_len (args.segment->name)) { - memcpy (rmp->segment_name, args.segment->name, - vec_len (args.segment->name)); - rmp->segment_name_length = vec_len (args.segment->name); + vl_api_vec_to_api_string (args.segment->name, &rmp->segment_name); } rmp->app_event_queue_address = pointer_to_uword (args.evt_q); rmp->n_fds = n_fds; @@ -1145,14 +1318,8 @@ vl_api_app_namespace_add_del_t_handler (vl_api_app_namespace_add_del_t * mp) goto done; } - if (mp->namespace_id_len > ARRAY_LEN (mp->namespace_id)) - { - rv = VNET_API_ERROR_INVALID_VALUE; - goto done; - } + ns_id = vl_api_from_api_to_new_vec (&mp->namespace_id); - vec_validate (ns_id, mp->namespace_id_len - 1); - clib_memcpy_fast (ns_id, mp->namespace_id, mp->namespace_id_len); vnet_app_namespace_add_del_args_t args = { .ns_id = ns_id, .secret = clib_net_to_host_u64 (mp->secret), @@ -1188,16 +1355,13 @@ vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp) vl_api_session_rule_add_del_reply_t *rmp; session_rule_add_del_args_t args; session_rule_table_add_del_args_t *table_args = &args.table_args; - u8 fib_proto; int rv = 0; clib_memset (&args, 0, sizeof (args)); - fib_proto = mp->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6; - table_args->lcl.fp_len = mp->lcl_plen; - table_args->lcl.fp_proto = fib_proto; - table_args->rmt.fp_len = mp->rmt_plen; - table_args->rmt.fp_proto = fib_proto; + ip_prefix_decode (&mp->lcl, &table_args->lcl); + ip_prefix_decode (&mp->rmt, &table_args->rmt); + table_args->lcl_port = mp->lcl_port; table_args->rmt_port = mp->rmt_port; table_args->action_index = clib_net_to_host_u32 (mp->action_index); @@ -1206,12 +1370,10 @@ vl_api_session_rule_add_del_t_handler (vl_api_session_rule_add_del_t * mp) table_args->tag = format (0, "%s", mp->tag); args.appns_index = clib_net_to_host_u32 (mp->appns_index); args.scope = mp->scope; - args.transport_proto = mp->transport_proto; + args.transport_proto = + api_session_transport_proto_decode (&mp->transport_proto) == + TRANSPORT_PROTO_UDP ? 1 : 0; - clib_memset (&table_args->lcl.fp_addr, 0, sizeof (table_args->lcl.fp_addr)); - clib_memset (&table_args->rmt.fp_addr, 0, sizeof (table_args->rmt.fp_addr)); - ip_set (&table_args->lcl.fp_addr, mp->lcl_ip, mp->is_ip4); - ip_set (&table_args->rmt.fp_addr, mp->rmt_ip, mp->is_ip4); rv = vnet_session_rule_add_del (&args); if (rv) clib_warning ("rule add del returned: %d", rv); @@ -1229,23 +1391,28 @@ send_session_rule_details4 (mma_rule_16_t * rule, u8 is_local, (session_mask_or_match_4_t *) & rule->match; session_mask_or_match_4_t *mask = (session_mask_or_match_4_t *) & rule->mask; + fib_prefix_t lcl, rmt; rmp = vl_msg_api_alloc (sizeof (*rmp)); clib_memset (rmp, 0, sizeof (*rmp)); rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS); rmp->context = context; - rmp->is_ip4 = 1; - clib_memcpy_fast (rmp->lcl_ip, &match->lcl_ip, sizeof (match->lcl_ip)); - clib_memcpy_fast (rmp->rmt_ip, &match->rmt_ip, sizeof (match->rmt_ip)); - rmp->lcl_plen = ip4_mask_to_preflen (&mask->lcl_ip); - rmp->rmt_plen = ip4_mask_to_preflen (&mask->rmt_ip); + clib_memset (&lcl, 0, sizeof (lcl)); + clib_memset (&rmt, 0, sizeof (rmt)); + ip_set (&lcl.fp_addr, &match->lcl_ip, 1); + ip_set (&rmt.fp_addr, &match->rmt_ip, 1); + lcl.fp_len = ip4_mask_to_preflen (&mask->lcl_ip); + rmt.fp_len = ip4_mask_to_preflen (&mask->rmt_ip); + + ip_prefix_encode (&lcl, &rmp->lcl); + ip_prefix_encode (&rmt, &rmp->rmt); rmp->lcl_port = match->lcl_port; rmp->rmt_port = match->rmt_port; rmp->action_index = clib_host_to_net_u32 (rule->action_index); rmp->scope = - is_local ? SESSION_RULE_SCOPE_LOCAL : SESSION_RULE_SCOPE_GLOBAL; - rmp->transport_proto = transport_proto; + is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL; + rmp->transport_proto = api_session_transport_proto_encode (transport_proto); rmp->appns_index = clib_host_to_net_u32 (appns_index); if (tag) { @@ -1266,23 +1433,28 @@ send_session_rule_details6 (mma_rule_40_t * rule, u8 is_local, (session_mask_or_match_6_t *) & rule->match; session_mask_or_match_6_t *mask = (session_mask_or_match_6_t *) & rule->mask; + fib_prefix_t lcl, rmt; rmp = vl_msg_api_alloc (sizeof (*rmp)); clib_memset (rmp, 0, sizeof (*rmp)); rmp->_vl_msg_id = ntohs (VL_API_SESSION_RULES_DETAILS); rmp->context = context; - rmp->is_ip4 = 0; - clib_memcpy_fast (rmp->lcl_ip, &match->lcl_ip, sizeof (match->lcl_ip)); - clib_memcpy_fast (rmp->rmt_ip, &match->rmt_ip, sizeof (match->rmt_ip)); - rmp->lcl_plen = ip6_mask_to_preflen (&mask->lcl_ip); - rmp->rmt_plen = ip6_mask_to_preflen (&mask->rmt_ip); + clib_memset (&lcl, 0, sizeof (lcl)); + clib_memset (&rmt, 0, sizeof (rmt)); + ip_set (&lcl.fp_addr, &match->lcl_ip, 0); + ip_set (&rmt.fp_addr, &match->rmt_ip, 0); + lcl.fp_len = ip6_mask_to_preflen (&mask->lcl_ip); + rmt.fp_len = ip6_mask_to_preflen (&mask->rmt_ip); + + ip_prefix_encode (&lcl, &rmp->lcl); + ip_prefix_encode (&rmt, &rmp->rmt); rmp->lcl_port = match->lcl_port; rmp->rmt_port = match->rmt_port; rmp->action_index = clib_host_to_net_u32 (rule->action_index); rmp->scope = - is_local ? SESSION_RULE_SCOPE_LOCAL : SESSION_RULE_SCOPE_GLOBAL; - rmp->transport_proto = transport_proto; + is_local ? SESSION_RULE_SCOPE_API_LOCAL : SESSION_RULE_SCOPE_API_GLOBAL; + rmp->transport_proto = api_session_transport_proto_encode (transport_proto); rmp->appns_index = clib_host_to_net_u32 (appns_index); if (tag) {