diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vcl/vppcom.c | 673 |
1 files changed, 245 insertions, 428 deletions
diff --git a/src/vcl/vppcom.c b/src/vcl/vppcom.c index d81e327c7f1..6d11526276b 100644 --- a/src/vcl/vppcom.c +++ b/src/vcl/vppcom.c @@ -134,8 +134,8 @@ typedef struct { volatile session_state_t state; - svm_fifo_t *server_rx_fifo; - svm_fifo_t *server_tx_fifo; + svm_fifo_t *rx_fifo; + svm_fifo_t *tx_fifo; u32 sndbuf_size; // VPP-TBD: Hack until support setsockopt(SO_SNDBUF) u32 rcvbuf_size; // VPP-TBD: Hack until support setsockopt(SO_RCVBUF) u32 user_mss; // VPP-TBD: Hack until support setsockopt(TCP_MAXSEG) @@ -146,11 +146,6 @@ typedef struct svm_queue_t *vpp_event_queue; /* Socket configuration state */ - /* TBD: covert 'is_*' vars to bit in session->attr; */ - u8 is_server; - u8 is_listen; - u8 is_cut_thru; - u8 is_nonblocking; u8 is_vep; u8 is_vep_session; u32 attr; @@ -389,7 +384,7 @@ vppcom_session_table_lookup_listener (u64 listener_handle) } session = pool_elt_at_index (vcm->sessions, p[0]); - ASSERT (session->is_listen); + ASSERT (session->state & STATE_LISTEN); return session; } @@ -854,6 +849,17 @@ vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp) } static void +vl_api_unmap_segment_t_handler (vl_api_unmap_segment_t * mp) +{ + +/* + * XXX Need segment_name to session_id hash, + * XXX - have sessionID by handle hash currently + */ + clib_warning ("Unmapped segment '%s'", mp->segment_name); +} + +static void vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp) { uword *p; @@ -946,7 +952,6 @@ vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp) session_t *session = 0; u32 session_index; svm_fifo_t *rx_fifo, *tx_fifo; - u8 is_cut_thru = 0; int rv = VPPCOM_OK; session_index = mp->context; @@ -975,33 +980,9 @@ done: if (rv) goto done_unlock; - /* We've been redirected */ - if (mp->segment_name_length > 0) - { - static svm_fifo_segment_create_args_t _a; - svm_fifo_segment_create_args_t *a = &_a; - - is_cut_thru = 1; - memset (a, 0, sizeof (*a)); - a->segment_name = (char *) mp->segment_name; - if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: cut-thru segment: %s\n", - getpid (), a->segment_name); - - rv = svm_fifo_segment_attach (a); - vec_reset_length (a->new_segment_indices); - if (PREDICT_FALSE (rv)) - { - clib_warning ("VCL<%d>: sm_fifo_segment_attach ('%s') failed", - getpid (), a->segment_name); - goto done_unlock; - } - } - /* * Setup session */ - session->is_cut_thru = is_cut_thru; session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address, svm_queue_t *); @@ -1010,8 +991,8 @@ done: tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *); tx_fifo->client_session_index = session_index; - session->server_rx_fifo = rx_fifo; - session->server_tx_fifo = tx_fifo; + session->rx_fifo = rx_fifo; + session->tx_fifo = tx_fifo; session->vpp_handle = mp->handle; session->lcl_addr.is_ip4 = mp->is_ip4; clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip, @@ -1027,9 +1008,9 @@ done: " session_rx_fifo %p, refcnt %d," " session_tx_fifo %p, refcnt %d", getpid (), mp->handle, session_index, - session->server_rx_fifo, - session->server_rx_fifo->refcnt, - session->server_tx_fifo, session->server_tx_fifo->refcnt); + session->rx_fifo, + session->rx_fifo->refcnt, + session->tx_fifo, session->tx_fifo->refcnt); done_unlock: clib_spinlock_unlock (&vcm->sessions_lockp); } @@ -1040,7 +1021,6 @@ vppcom_send_connect_sock (session_t * session, u32 session_index) vl_api_connect_sock_t *cmp; /* Assumes caller as acquired the spinlock: vcm->sessions_lockp */ - session->is_server = 0; cmp = vl_msg_api_alloc (sizeof (*cmp)); memset (cmp, 0, sizeof (*cmp)); cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK); @@ -1129,7 +1109,6 @@ done: sizeof (session->peer_addr.ip46)); session->lcl_port = mp->lcl_port; vppcom_session_table_add_listener (mp->handle, session_index); - session->is_listen = 1; session->state = STATE_LISTEN; if (VPPCOM_DEBUG > 1) @@ -1288,13 +1267,11 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp) session->vpp_handle = mp->handle; session->client_context = mp->context; - session->server_rx_fifo = rx_fifo; - session->server_tx_fifo = tx_fifo; + session->rx_fifo = rx_fifo; + session->tx_fifo = tx_fifo; session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address, svm_queue_t *); session->state = STATE_ACCEPT; - session->is_cut_thru = 0; - session->is_server = 1; session->peer_port = mp->port; session->peer_addr.is_ip4 = mp->is_ip4; clib_memcpy (&session->peer_addr.ip46, mp->ip, @@ -1308,8 +1285,6 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp) /* TBD: move client_session_index_fifo into listener session */ clib_fifo_add1 (vcm->client_session_index_fifo, session_index); - clib_spinlock_unlock (&vcm->sessions_lockp); - if (VPPCOM_DEBUG > 1) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client accept " "request from %s address %U port %d queue %p!", getpid (), @@ -1355,6 +1330,7 @@ vl_api_accept_session_t_handler (vl_api_accept_session_t * mp) clib_warning ("ip6"); } } + clib_spinlock_unlock (&vcm->sessions_lockp); } @@ -1382,8 +1358,8 @@ vppcom_send_connect_session_reply (session_t * session, u32 session_index, rmp->context = session->client_context; rmp->retval = htonl (retval); rmp->handle = session->vpp_handle; - rmp->server_rx_fifo = pointer_to_uword (session->server_rx_fifo); - rmp->server_tx_fifo = pointer_to_uword (session->server_tx_fifo); + rmp->server_rx_fifo = pointer_to_uword (session->rx_fifo); + rmp->server_tx_fifo = pointer_to_uword (session->tx_fifo); rmp->vpp_event_queue_address = pointer_to_uword (session->vpp_event_queue); rmp->segment_size = vcm->cfg.segment_size; len = vec_len (session->segment_name); @@ -1430,8 +1406,6 @@ vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp) session->client_context = mp->context; session->vpp_handle = session_index; session->client_queue_address = mp->client_queue_address; - session->is_cut_thru = 1; - session->is_server = 1; session->lcl_port = mp->port; session->lcl_addr.is_ip4 = mp->is_ip4; clib_memcpy (&session->lcl_addr.ip46, mp->ip, @@ -1484,7 +1458,6 @@ vppcom_send_bind_sock (session_t * session, u32 session_index) vl_api_bind_sock_t *bmp; /* Assumes caller has acquired spinlock: vcm->sessions_lockp */ - session->is_server = 1; bmp = vl_msg_api_alloc (sizeof (*bmp)); memset (bmp, 0, sizeof (*bmp)); @@ -1519,6 +1492,7 @@ vppcom_session_unbind (u32 session_index) session_t *session = 0; int rv; u64 vpp_handle; + elog_track_t session_elog_track; VCL_LOCK_AND_GET_SESSION (session_index, &session); @@ -1526,6 +1500,7 @@ vppcom_session_unbind (u32 session_index) vppcom_session_table_del_listener (vpp_handle); session->vpp_handle = ~0; session->state = STATE_DISCONNECT; + session_elog_track = session->elog_track; clib_spinlock_unlock (&vcm->sessions_lockp); @@ -1533,7 +1508,8 @@ vppcom_session_unbind (u32 session_index) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " "sending unbind msg! new state 0x%x (%s)", getpid (), vpp_handle, session_index, - session->state, vppcom_session_state_str (session->state)); + STATE_DISCONNECT, + vppcom_session_state_str (STATE_DISCONNECT)); if (VPPCOM_DEBUG > 0) { @@ -1549,10 +1525,11 @@ vppcom_session_unbind (u32 session_index) u64 handle; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track); ed->handle = vpp_handle; /* *INDENT-ON* */ } + vppcom_send_unbind_sock (vpp_handle); done: @@ -1564,30 +1541,24 @@ vppcom_session_disconnect (u32 session_index) { int rv; session_t *session; - u8 is_cut_thru, is_listen, is_server; u64 vpp_handle; session_state_t state; VCL_LOCK_AND_GET_SESSION (session_index, &session); vpp_handle = session->vpp_handle; - is_server = session->is_server; - is_listen = session->is_listen; - is_cut_thru = session->is_cut_thru; state = session->state; clib_spinlock_unlock (&vcm->sessions_lockp); if (VPPCOM_DEBUG > 1) { - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s " - "state 0x%x (%s), is_cut_thru %d, is_listen %d", + clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u " + "state 0x%x (%s)", getpid (), vpp_handle, session_index, - is_server ? "server" : "client", - state, vppcom_session_state_str (state), - is_cut_thru, is_listen); + state, vppcom_session_state_str (state)); } - if (PREDICT_FALSE (is_listen)) + if (PREDICT_FALSE (state & STATE_LISTEN)) { clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " "Cannot disconnect a listen socket!", @@ -1596,75 +1567,30 @@ vppcom_session_disconnect (u32 session_index) goto done; } - /* Through the VPP host stack... + /* The peer has already initiated the close, + * so send the disconnect session reply. */ - else if (!is_cut_thru) + if (state & STATE_CLOSE_ON_EMPTY) { - /* The peer has already initiated the close, - * so send the disconnect session reply. - */ - if (state & STATE_CLOSE_ON_EMPTY) - { - vppcom_send_disconnect_session_reply (vpp_handle, - session_index, 0 /* rv */ ); - if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "sending disconnect REPLY...", - getpid (), vpp_handle, session_index); - } - - /* Otherwise, send a disconnect session msg... - */ - else - { - if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "sending disconnect...", - getpid (), vpp_handle, session_index); - - vppcom_send_disconnect_session (vpp_handle, session_index); - } + //XXX alagalah - Check and drain here? + vppcom_send_disconnect_session_reply (vpp_handle, + session_index, 0 /* rv */ ); + if (VPPCOM_DEBUG > 1) + clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " + "sending disconnect REPLY...", + getpid (), vpp_handle, session_index); } - /* Cut-thru connections... - * - * server: free fifos and segment allocated during connect/redirect - * client: no cleanup required + /* Otherwise, send a disconnect session msg... */ else { - if (is_server) - { - svm_fifo_segment_private_t *seg; - - VCL_LOCK_AND_GET_SESSION (session_index, &session); - - if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: sid %d: freeing cut-thru fifos in " - "sm_seg_index %d! " - " server_rx_fifo %p, refcnt = %d" - " server_tx_fifo %p, refcnt = %d", - getpid (), session_index, session->sm_seg_index, - session->server_rx_fifo, - session->server_rx_fifo->refcnt, - session->server_tx_fifo, - session->server_tx_fifo->refcnt); - - seg = svm_fifo_segment_get_segment (session->sm_seg_index); - svm_fifo_segment_free_fifo (seg, session->server_rx_fifo, - FIFO_SEGMENT_RX_FREELIST); - svm_fifo_segment_free_fifo (seg, session->server_tx_fifo, - FIFO_SEGMENT_TX_FREELIST); - svm_fifo_segment_delete (seg); - - /* TBD: Send cut-thru disconnect event to client */ + if (VPPCOM_DEBUG > 1) + clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " + "sending disconnect...", + getpid (), vpp_handle, session_index); - clib_spinlock_unlock (&vcm->sessions_lockp); - } - else - { - /* TBD: Send cut-thru disconnect event to server */ - } + vppcom_send_disconnect_session (vpp_handle, session_index); } done: @@ -1683,7 +1609,8 @@ _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \ _(RESET_SESSION, reset_session) \ _(APPLICATION_ATTACH_REPLY, application_attach_reply) \ _(APPLICATION_DETACH_REPLY, application_detach_reply) \ -_(MAP_ANOTHER_SEGMENT, map_another_segment) +_(MAP_ANOTHER_SEGMENT, map_another_segment) \ +_(UNMAP_SEGMENT, unmap_segment) static void vppcom_api_hookup (void) @@ -2479,6 +2406,8 @@ vppcom_session_create (u8 proto, u8 is_nonblocking) { session_t *session; u32 session_index; + session_state_t state; + elog_track_t session_elog_track; clib_spinlock_lock (&vcm->sessions_lockp); pool_get (vcm->sessions, session); @@ -2487,12 +2416,13 @@ vppcom_session_create (u8 proto, u8 is_nonblocking) session->proto = proto; session->state = STATE_START; - session->is_nonblocking = is_nonblocking ? 1 : 0; + state = session->state; session->vpp_handle = ~0; - clib_spinlock_unlock (&vcm->sessions_lockp); - if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: sid %u", getpid (), session_index); + if (is_nonblocking) + VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK); + else + VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK); if (VPPCOM_DEBUG > 0) { @@ -2500,7 +2430,16 @@ vppcom_session_create (u8 proto, u8 is_nonblocking) (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index, session_index, 0); elog_track_register (&vcm->elog_main, &session->elog_track); + session_elog_track = session->elog_track; + } + clib_spinlock_unlock (&vcm->sessions_lockp); + + if (VPPCOM_DEBUG > 0) + clib_warning ("VCL<%d>: sid %u", getpid (), session_index); + + if (VPPCOM_DEBUG > 0) + { /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { @@ -2513,10 +2452,10 @@ vppcom_session_create (u8 proto, u8 is_nonblocking) u32 data[3]; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); - ed->data[0] = session->proto; - ed->data[1] = session->state; - ed->data[2] = session->is_nonblocking; + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track); + ed->data[0] = proto; + ed->data[1] = state; + ed->data[2] = is_nonblocking; /* *INDENT-ON* */ } @@ -2528,7 +2467,6 @@ vppcom_session_close (uint32_t session_index) { session_t *session = 0; int rv; - u8 is_listen; u8 is_vep; u8 is_vep_session; u32 next_sid; @@ -2536,9 +2474,9 @@ vppcom_session_close (uint32_t session_index) u64 vpp_handle; uword *p; session_state_t state; + elog_track_t session_elog_track; VCL_LOCK_AND_GET_SESSION (session_index, &session); - is_listen = session->is_listen; is_vep = session->is_vep; is_vep_session = session->is_vep_session; next_sid = session->vep.next_sid; @@ -2547,6 +2485,19 @@ vppcom_session_close (uint32_t session_index) vpp_handle = session->vpp_handle; clib_spinlock_unlock (&vcm->sessions_lockp); + /* + * Why two if(VPPCOM_DEBUG) checks? + * + * Eventually all clib_warnings need their own way of being + * logged and signalled (like severity) where event logging + * is a separate debugging tool. It will make the separation + * easier. ... parting is such sweet sorrow ... + */ + if (VPPCOM_DEBUG > 0) + { + session_elog_track = session->elog_track; + } + if (VPPCOM_DEBUG > 0) { if (is_vep) @@ -2587,19 +2538,16 @@ vppcom_session_close (uint32_t session_index) vep_idx, rv, vppcom_retval_str (rv)); } - if (is_listen) + if (state & STATE_LISTEN) { - if (state & STATE_LISTEN) + rv = vppcom_session_unbind (session_index); + if (PREDICT_FALSE (rv < 0)) { - rv = vppcom_session_unbind (session_index); - if (PREDICT_FALSE (rv < 0)) - { - if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "listener unbind failed! rv %d (%s)", - getpid (), vpp_handle, session_index, - rv, vppcom_retval_str (rv)); - } + if (VPPCOM_DEBUG > 0) + clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " + "listener unbind failed! rv %d (%s)", + getpid (), vpp_handle, session_index, + rv, vppcom_retval_str (rv)); } } @@ -2623,6 +2571,7 @@ vppcom_session_close (uint32_t session_index) hash_unset (vcm->session_index_by_vpp_handles, vpp_handle); } pool_put_index (vcm->sessions, session_index); + clib_spinlock_unlock (&vcm->sessions_lockp); if (VPPCOM_DEBUG > 0) @@ -2650,7 +2599,7 @@ done: u32 data; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track); ed->data = rv; /* *INDENT-ON* */ } @@ -2745,7 +2694,7 @@ vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len) } listen_vpp_handle = listen_session->vpp_handle; - if (listen_session->is_listen) + if (listen_session->state & STATE_LISTEN) { clib_spinlock_unlock (&vcm->sessions_lockp); if (VPPCOM_DEBUG > 0) @@ -2792,10 +2741,9 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, { session_t *listen_session = 0; session_t *client_session = 0; - u32 client_session_index = ~0, n_fifos; + u32 client_session_index = ~0; int rv; f64 wait_for; - char *cut_thru_str; u64 listen_vpp_handle; VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session); @@ -2821,7 +2769,9 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, rv = VPPCOM_EBADFD; goto done; } - wait_for = (listen_session->is_nonblocking) ? 0 : vcm->cfg.accept_timeout; + wait_for = (VCL_SESS_ATTR_TEST (listen_session->attr, + VCL_SESS_ATTR_NONBLOCK)) + ? 0 : vcm->cfg.accept_timeout; clib_spinlock_unlock (&vcm->sessions_lockp); @@ -2855,17 +2805,21 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, goto done; } - client_session->is_nonblocking = (flags & O_NONBLOCK) ? 1 : 0; + if (flags & O_NONBLOCK) + VCL_SESS_ATTR_SET (client_session->attr, VCL_SESS_ATTR_NONBLOCK); + else + VCL_SESS_ATTR_CLR (client_session->attr, VCL_SESS_ATTR_NONBLOCK); + if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Got a client request! " "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u", getpid (), listen_vpp_handle, listen_session_index, client_session->vpp_handle, client_session_index, - flags, client_session->is_nonblocking); + flags, VCL_SESS_ATTR_TEST (client_session->attr, + VCL_SESS_ATTR_NONBLOCK)); if (ep) { - ep->is_cut_thru = client_session->is_cut_thru; ep->is_ip4 = client_session->peer_addr.is_ip4; ep->port = client_session->peer_port; if (client_session->peer_addr.is_ip4) @@ -2876,145 +2830,16 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, sizeof (ip6_address_t)); } - if (client_session->is_server && client_session->is_cut_thru) - { - static svm_fifo_segment_create_args_t _a; - svm_fifo_segment_create_args_t *a = &_a; - svm_fifo_segment_private_t *seg; - - cut_thru_str = " cut-thru "; - - /* Create the segment */ - memset (a, 0, sizeof (*a)); - a->segment_name = (char *) - format ((u8 *) a->segment_name, "%d:segment%d%c", - getpid (), vcm->unique_segment_index++, 0); - a->segment_size = vcm->cfg.segment_size; - - rv = svm_fifo_segment_create (a); - if (PREDICT_FALSE (rv)) - { - clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " - "client sid %u svm_fifo_segment_create ('%s') " - "failed! rv %d", getpid (), listen_vpp_handle, - listen_session_index, client_session_index, - a->segment_name, rv); - vec_reset_length (a->new_segment_indices); - rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED; - vppcom_send_connect_session_reply (client_session, - client_session_index, - client_session->vpp_handle, - client_session->client_context, - rv); - clib_spinlock_unlock (&vcm->sessions_lockp); - rv = VPPCOM_ENOMEM; - goto done; - } - - client_session->segment_name = vec_dup ((u8 *) a->segment_name); - client_session->sm_seg_index = a->new_segment_indices[0]; - vec_free (a->new_segment_indices); - - seg = svm_fifo_segment_get_segment (client_session->sm_seg_index); - if (vcm->cfg.preallocated_fifo_pairs) - { - n_fifos = vcm->cfg.preallocated_fifo_pairs; - svm_fifo_segment_preallocate_fifo_pairs (seg, vcm->cfg.rx_fifo_size, - vcm->cfg.tx_fifo_size, - &n_fifos); - } - - client_session->server_rx_fifo = - svm_fifo_segment_alloc_fifo (seg, vcm->cfg.rx_fifo_size, - FIFO_SEGMENT_RX_FREELIST); - if (PREDICT_FALSE (!client_session->server_rx_fifo)) - { - svm_fifo_segment_delete (seg); - clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " - "client sid %u rx fifo alloc failed! " - "size %ld (0x%lx)", getpid (), listen_vpp_handle, - listen_session_index, client_session_index, - vcm->cfg.rx_fifo_size, vcm->cfg.rx_fifo_size); - rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED; - vppcom_send_connect_session_reply (client_session, - client_session_index, - client_session->vpp_handle, - client_session->client_context, - rv); - clib_spinlock_unlock (&vcm->sessions_lockp); - rv = VPPCOM_ENOMEM; - goto done; - } - client_session->server_rx_fifo->master_session_index = - client_session_index; - - client_session->server_tx_fifo = - svm_fifo_segment_alloc_fifo (seg, vcm->cfg.tx_fifo_size, - FIFO_SEGMENT_TX_FREELIST); - if (PREDICT_FALSE (!client_session->server_tx_fifo)) - { - svm_fifo_segment_delete (seg); - clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " - "client sid %u tx fifo alloc failed! " - "size %ld (0x%lx)", getpid (), listen_vpp_handle, - listen_session_index, client_session_index, - vcm->cfg.tx_fifo_size, vcm->cfg.tx_fifo_size); - rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED; - vppcom_send_connect_session_reply (client_session, - client_session_index, - client_session->vpp_handle, - client_session->client_context, - rv); - clib_spinlock_unlock (&vcm->sessions_lockp); - rv = VPPCOM_ENOMEM; - goto done; - } - client_session->server_tx_fifo->master_session_index = - client_session_index; - - if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u " - "created segment '%s', rx_fifo %p, tx_fifo %p", - getpid (), listen_vpp_handle, listen_session_index, - client_session_index, client_session->segment_name, - client_session->server_rx_fifo, - client_session->server_tx_fifo); - -#ifdef CUT_THRU_EVENT_QUEUE /* TBD */ - { - void *oldheap; - ssvm_shared_header_t *sh = seg->ssvm.sh; - - ssvm_lock_non_recursive (sh, 1); - oldheap = ssvm_push_heap (sh); - event_q = client_session->vpp_event_queue = - svm_queue_init (vcm->cfg.event_queue_size, - sizeof (session_fifo_event_t), - getpid (), 0 /* signal not sent */ ); - ssvm_pop_heap (oldheap); - ssvm_unlock_non_recursive (sh); - } -#endif - vppcom_send_connect_session_reply (client_session, - client_session_index, - client_session->vpp_handle, - client_session->client_context, - 0 /* retval OK */ ); - } - else - { - cut_thru_str = " "; - vppcom_send_accept_session_reply (client_session->vpp_handle, - client_session->client_context, - 0 /* retval OK */ ); - } + vppcom_send_accept_session_reply (client_session->vpp_handle, + client_session->client_context, + 0 /* retval OK */ ); if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle " - "0x%llx, sid %u%sconnection to local %s address " + "0x%llx, sid %u connection to local %s address " "%U port %u", getpid (), listen_vpp_handle, listen_session_index, client_session->vpp_handle, - client_session_index, cut_thru_str, + client_session_index, client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6", format_ip46_address, &client_session->lcl_addr.ip46, client_session->lcl_addr.is_ip4, @@ -3027,10 +2852,11 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, client_session_index, 0); elog_track_register (&vcm->elog_main, &client_session->elog_track); + // Two elog entries due to 20-byte per entry constraint. /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = { - .format = "accept cut-thru: listen_handle:%x from_handle:%x", + .format = "accept: listen_handle:%x from_handle:%x", .format_args = "i8i8", }; @@ -3049,7 +2875,7 @@ vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep, /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e2) = { - .format = "accept cut-thru: S:%d %d.%d.%d.%d:%d ", + .format = "accept: S:%d %d.%d.%d.%d:%d ", .format_args = "i4i1i1i1i1i2", }; @@ -3081,8 +2907,8 @@ int vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep) { session_t *session = 0; + u64 vpp_handle = 0; int rv, retval = VPPCOM_OK; - u64 vpp_handle = ~0; VCL_LOCK_AND_GET_SESSION (session_index, &session); @@ -3095,23 +2921,12 @@ vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep) goto done; } - vpp_handle = session->vpp_handle; - if (PREDICT_FALSE (session->is_server)) - { - clib_spinlock_unlock (&vcm->sessions_lockp); - clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: is in use " - "as a server session!", getpid (), vpp_handle, - session_index); - rv = VPPCOM_EBADFD; - goto done; - } - if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN)) { if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already " "connected to %s %U port %d proto %s, state 0x%x (%s)", - getpid (), vpp_handle, session_index, + getpid (), session->vpp_handle, session_index, session->peer_addr.is_ip4 ? "IPv4" : "IPv6", format_ip46_address, &session->peer_addr.ip46, session->peer_addr.is_ip4, @@ -3130,7 +2945,7 @@ vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep) if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server " "%s %U port %d proto %s", - getpid (), vpp_handle, session_index, + getpid (), session->vpp_handle, session_index, session->peer_addr.is_ip4 ? "IPv4" : "IPv6", format_ip46_address, &session->peer_addr.ip46, session->peer_addr.is_ip4, @@ -3153,9 +2968,17 @@ done: { rv = retval; if (VPPCOM_DEBUG > 0) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! " - "returning %d (%s)", getpid (), vpp_handle, - session_index, rv, vppcom_retval_str (rv)); + { + if (session) + clib_warning + ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! " + "returning %d (%s)", getpid (), vpp_handle, + session_index, rv, vppcom_retval_str (rv)); + else + clib_warning ("VCL<%d>: no session for sid %u: connect failed! " + "returning %d (%s)", getpid (), + session_index, rv, vppcom_retval_str (rv)); + } } else if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!", @@ -3172,17 +2995,21 @@ vppcom_session_read_internal (uint32_t session_index, void *buf, int n, svm_fifo_t *rx_fifo; int n_read = 0; int rv; - char *fifo_str; + int is_nonblocking; + + u64 vpp_handle; u32 poll_et; session_state_t state; - u8 is_server; - u8 is_nonblocking; - u64 vpp_handle; ASSERT (buf); VCL_LOCK_AND_GET_SESSION (session_index, &session); + is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK); + rx_fifo = session->rx_fifo; + state = session->state; + vpp_handle = session->vpp_handle; + if (PREDICT_FALSE (session->is_vep)) { clib_spinlock_unlock (&vcm->sessions_lockp); @@ -3192,10 +3019,6 @@ vppcom_session_read_internal (uint32_t session_index, void *buf, int n, goto done; } - vpp_handle = session->vpp_handle; - is_server = session->is_server; - is_nonblocking = session->is_nonblocking; - state = session->state; if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))) { clib_spinlock_unlock (&vcm->sessions_lockp); @@ -3204,17 +3027,12 @@ vppcom_session_read_internal (uint32_t session_index, void *buf, int n, if (VPPCOM_DEBUG > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is " "not open! state 0x%x (%s), returning %d (%s)", - getpid (), vpp_handle, session_index, - is_server ? "server" : "client", state, + getpid (), vpp_handle, session_index, state, vppcom_session_state_str (state), rv, vppcom_retval_str (rv)); goto done; } - rx_fifo = ((!session->is_cut_thru || is_server) ? - session->server_rx_fifo : session->server_tx_fifo); - fifo_str = ((!session->is_cut_thru || is_server) ? - "server_rx_fifo" : "server_tx_fifo"); clib_spinlock_unlock (&vcm->sessions_lockp); do @@ -3237,22 +3055,21 @@ vppcom_session_read_internal (uint32_t session_index, void *buf, int n, if (state & STATE_CLOSE_ON_EMPTY) { - session_state_t new_state = STATE_DISCONNECT; rv = VPPCOM_ECONNRESET; if (VPPCOM_DEBUG > 1) { clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo " - "with %s session state 0x%x (%s)!" + "with session state 0x%x (%s)!" " Setting state to 0x%x (%s), returning %d (%s)", - getpid (), vpp_handle, session_index, - is_server ? "server" : "client", + getpid (), session->vpp_handle, session_index, state, vppcom_session_state_str (state), - new_state, vppcom_session_state_str (new_state), - rv, vppcom_retval_str (rv)); + STATE_DISCONNECT, + vppcom_session_state_str (STATE_DISCONNECT), rv, + vppcom_retval_str (rv)); } - session->state = new_state; + session->state = STATE_DISCONNECT; } else rv = VPPCOM_EAGAIN; @@ -3266,8 +3083,8 @@ vppcom_session_read_internal (uint32_t session_index, void *buf, int n, { if (rv > 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes " - "from %s (%p)", getpid (), vpp_handle, - session_index, n_read, fifo_str, rx_fifo); + "from (%p)", getpid (), vpp_handle, + session_index, n_read, rx_fifo); else clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! " "returning %d (%s)", getpid (), vpp_handle, @@ -3292,11 +3109,9 @@ vppcom_session_peek (uint32_t session_index, void *buf, int n) static inline int vppcom_session_read_ready (session_t * session, u32 session_index) { - svm_fifo_t *rx_fifo = 0; int ready = 0; u32 poll_et; int rv; - u8 is_server = session->is_server; session_state_t state = session->state; u64 vpp_handle = session->vpp_handle; @@ -3309,7 +3124,7 @@ vppcom_session_read_ready (session_t * session, u32 session_index) goto done; } - if (session->is_listen) + if (session->state & STATE_LISTEN) ready = clib_fifo_elts (vcm->client_session_index_fifo); else { @@ -3319,19 +3134,15 @@ vppcom_session_read_ready (session_t * session, u32 session_index) VPPCOM_ENOTCONN); if (VPPCOM_DEBUG > 1) - clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is " + clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session is " "not open! state 0x%x (%s), returning %d (%s)", getpid (), vpp_handle, session_index, - is_server ? "server" : "client", state, vppcom_session_state_str (state), rv, vppcom_retval_str (rv)); goto done; } - rx_fifo = ((!session->is_cut_thru || is_server) ? - session->server_rx_fifo : session->server_tx_fifo); - - ready = svm_fifo_max_dequeue (rx_fifo); + ready = svm_fifo_max_dequeue (session->rx_fifo); } if (ready == 0) @@ -3344,21 +3155,20 @@ vppcom_session_read_ready (session_t * session, u32 session_index) if (state & STATE_CLOSE_ON_EMPTY) { rv = VPPCOM_ECONNRESET; - session_state_t new_state = STATE_DISCONNECT; if (VPPCOM_DEBUG > 1) { clib_warning ("VCL<%d>: vpp handle 0x%llx, " "sid %u: Empty fifo with" - " %s session state 0x%x (%s)! Setting state to " + " session state 0x%x (%s)! Setting state to " "0x%x (%s), returning %d (%s)", getpid (), session_index, vpp_handle, - is_server ? "server" : "client", state, vppcom_session_state_str (state), - new_state, vppcom_session_state_str (new_state), - rv, vppcom_retval_str (rv)); + STATE_DISCONNECT, + vppcom_session_state_str (STATE_DISCONNECT), rv, + vppcom_retval_str (rv)); } - session->state = new_state; + session->state = STATE_DISCONNECT; goto done; } } @@ -3383,54 +3193,49 @@ int vppcom_session_write (uint32_t session_index, void *buf, size_t n) { session_t *session = 0; - svm_fifo_t *tx_fifo; + svm_fifo_t *tx_fifo = 0; svm_queue_t *q; session_fifo_event_t evt; - int rv, n_write; - char *fifo_str; - u32 poll_et; - u8 is_server; - u8 is_nonblocking; session_state_t state; + int rv, n_write, is_nonblocking; + u32 poll_et; u64 vpp_handle; ASSERT (buf); VCL_LOCK_AND_GET_SESSION (session_index, &session); + tx_fifo = session->tx_fifo; + is_nonblocking = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK); + vpp_handle = session->vpp_handle; + state = session->state; + if (PREDICT_FALSE (session->is_vep)) { clib_spinlock_unlock (&vcm->sessions_lockp); clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " "cannot write to an epoll session!", - getpid (), session->vpp_handle, session_index); + getpid (), vpp_handle, session_index); rv = VPPCOM_EBADFD; goto done; } - is_server = session->is_server; - is_nonblocking = session->is_nonblocking; - vpp_handle = session->vpp_handle; - state = session->state; - if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))) + if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))) { - rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN); + rv = + ((session->state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : + VPPCOM_ENOTCONN); clib_spinlock_unlock (&vcm->sessions_lockp); if (VPPCOM_DEBUG > 1) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "%s session is not open! state 0x%x (%s)", + "session is not open! state 0x%x (%s)", getpid (), vpp_handle, session_index, - is_server ? "server" : "client", state, - vppcom_session_state_str (state)); + state, vppcom_session_state_str (state)); goto done; } - tx_fifo = ((!session->is_cut_thru || is_server) ? - session->server_tx_fifo : session->server_rx_fifo); - fifo_str = ((!session->is_cut_thru || is_server) ? - "server_tx_fifo" : "server_rx_fifo"); clib_spinlock_unlock (&vcm->sessions_lockp); do @@ -3440,7 +3245,7 @@ vppcom_session_write (uint32_t session_index, void *buf, size_t n) while (!is_nonblocking && (n_write <= 0)); /* If event wasn't set, add one */ - if (!session->is_cut_thru && (n_write > 0) && svm_fifo_set_event (tx_fifo)) + if ((n_write > 0) && svm_fifo_set_event (tx_fifo)) { /* Fabricate TX event, send to vpp */ evt.fifo = tx_fifo; @@ -3467,24 +3272,24 @@ vppcom_session_write (uint32_t session_index, void *buf, size_t n) if (poll_et) session->vep.et_mask |= EPOLLOUT; - if (state & STATE_CLOSE_ON_EMPTY) + if (session->state & STATE_CLOSE_ON_EMPTY) { - session_state_t new_state = STATE_DISCONNECT; rv = VPPCOM_ECONNRESET; if (VPPCOM_DEBUG > 1) { clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "Empty fifo with %s session state 0x%x (%s)!" + "Empty fifo with session state 0x%x (%s)!" " Setting state to 0x%x (%s), returning %d (%s)", - getpid (), vpp_handle, session_index, - is_server ? "server" : "client", - state, vppcom_session_state_str (state), - new_state, vppcom_session_state_str (new_state), - rv, vppcom_retval_str (rv)); + getpid (), session->vpp_handle, session_index, + session->state, + vppcom_session_state_str (session->state), + STATE_DISCONNECT, + vppcom_session_state_str (STATE_DISCONNECT), rv, + vppcom_retval_str (rv)); } - session->state = new_state; + session->state = STATE_DISCONNECT; } else rv = VPPCOM_EAGAIN; @@ -3498,12 +3303,12 @@ vppcom_session_write (uint32_t session_index, void *buf, size_t n) { if (n_write <= 0) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "FIFO-FULL %s (%p)", getpid (), vpp_handle, - session_index, fifo_str, tx_fifo); + "FIFO-FULL (%p)", getpid (), vpp_handle, + session_index, tx_fifo); else clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "wrote %d bytes to %s (%p)", getpid (), vpp_handle, - session_index, n_write, fifo_str, tx_fifo); + "wrote %d bytes tx-fifo: (%p)", getpid (), + vpp_handle, session_index, n_write, tx_fifo); } done: return rv; @@ -3512,13 +3317,11 @@ done: static inline int vppcom_session_write_ready (session_t * session, u32 session_index) { - svm_fifo_t *tx_fifo; - char *fifo_str; int ready; u32 poll_et; int rv; - u8 is_server = session->is_server; - session_state_t state = session->state; + + ASSERT (session); /* Assumes caller has acquired spinlock: vcm->sessions_lockp */ if (PREDICT_FALSE (session->is_vep)) @@ -3530,7 +3333,7 @@ vppcom_session_write_ready (session_t * session, u32 session_index) goto done; } - if (PREDICT_FALSE (session->is_listen)) + if (PREDICT_FALSE (session->state & STATE_LISTEN)) { clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " "cannot write to a listen session!", @@ -3539,33 +3342,28 @@ vppcom_session_write_ready (session_t * session, u32 session_index) goto done; } - if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))) + if (!(session->state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))) { session_state_t state = session->state; rv = ((state & STATE_DISCONNECT) ? VPPCOM_ECONNRESET : VPPCOM_ENOTCONN); clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: " - "%s session is not open! state 0x%x (%s), " + "session is not open! state 0x%x (%s), " "returning %d (%s)", getpid (), session->vpp_handle, - session_index, is_server ? "server" : "client", + session_index, state, vppcom_session_state_str (state), rv, vppcom_retval_str (rv)); goto done; } - tx_fifo = ((!session->is_cut_thru || session->is_server) ? - session->server_tx_fifo : session->server_rx_fifo); - fifo_str = ((!session->is_cut_thru || session->is_server) ? - "server_tx_fifo" : "server_rx_fifo"); - - ready = svm_fifo_max_enqueue (tx_fifo); + ready = svm_fifo_max_enqueue (session->tx_fifo); if (VPPCOM_DEBUG > 3) clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " "peek %s (%p), ready = %d", getpid (), session->vpp_handle, session_index, - fifo_str, tx_fifo, ready); + session->tx_fifo, ready); if (ready == 0) { @@ -3574,24 +3372,24 @@ vppcom_session_write_ready (session_t * session, u32 session_index) if (poll_et) session->vep.et_mask |= EPOLLOUT; - if (state & STATE_CLOSE_ON_EMPTY) + if (session->state & STATE_CLOSE_ON_EMPTY) { rv = VPPCOM_ECONNRESET; - session_state_t new_state = STATE_DISCONNECT; if (VPPCOM_DEBUG > 1) { clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: " - "Empty fifo with %s session " + "Empty fifo with session " "state 0x%x (%s)! Setting state to 0x%x (%s), " "returning %d (%s)", getpid (), session->vpp_handle, session_index, - is_server ? "server" : "client", - state, vppcom_session_state_str (state), - new_state, vppcom_session_state_str (new_state), - rv, vppcom_retval_str (rv)); + session->state, + vppcom_session_state_str (session->state), + STATE_DISCONNECT, + vppcom_session_state_str (STATE_DISCONNECT), rv, + vppcom_retval_str (rv)); } - session->state = new_state; + session->state = STATE_DISCONNECT; goto done; } } @@ -3826,6 +3624,7 @@ vppcom_epoll_create (void) { session_t *vep_session; u32 vep_idx; + elog_track_t vep_elog_track; clib_spinlock_lock (&vcm->sessions_lockp); pool_get (vcm->sessions, vep_session); @@ -3838,6 +3637,16 @@ vppcom_epoll_create (void) vep_session->vep.prev_sid = ~0; vep_session->wait_cont_idx = ~0; vep_session->vpp_handle = ~0; + + if (VPPCOM_DEBUG > 0) + { + vep_session->elog_track.name = + (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index, + vep_idx, 0); + elog_track_register (&vcm->elog_main, &vep_session->elog_track); + vep_elog_track = vep_session->elog_track; + } + clib_spinlock_unlock (&vcm->sessions_lockp); if (VPPCOM_DEBUG > 0) @@ -3846,10 +3655,6 @@ vppcom_epoll_create (void) if (VPPCOM_DEBUG > 0) { - vep_session->elog_track.name = - (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index, - vep_idx, 0); - elog_track_register (&vcm->elog_main, &vep_session->elog_track); /* *INDENT-OFF* */ ELOG_TYPE_DECLARE (e) = @@ -3863,7 +3668,7 @@ vppcom_epoll_create (void) u32 data; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track); ed->data = vep_idx; /* *INDENT-ON* */ } @@ -4110,6 +3915,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, int maxevents, double wait_for_time) { session_t *vep_session; + elog_track_t vep_elog_track; int rv; f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time; u32 keep_trying = 1; @@ -4129,6 +3935,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, vep_next_sid = vep_session->vep.next_sid; is_vep = vep_session->is_vep; wait_cont_idx = vep_session->wait_cont_idx; + vep_elog_track = vep_session->elog_track; clib_spinlock_unlock (&vcm->sessions_lockp); if (PREDICT_FALSE (!is_vep)) @@ -4156,7 +3963,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, u32 data; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_elog_track); ed->data = vep_idx; /* *INDENT-ON* */ @@ -4169,6 +3976,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, u32 sid; u32 next_sid = ~0; session_t *session; + elog_track_t session_elog_track; for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx; sid != ~0; sid = next_sid) @@ -4186,6 +3994,12 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, is_vep_session = session->is_vep_session; session_vep_idx = session->vep.vep_idx; session_ev_data = session->vep.ev.data.u64; + + if (VPPCOM_DEBUG > 0) + { + session_elog_track = session->elog_track; + } + clib_spinlock_unlock (&vcm->sessions_lockp); if (PREDICT_FALSE (is_vep)) @@ -4206,7 +4020,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, u32 data; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track); ed->data = vep_idx; /* *INDENT-ON* */ @@ -4233,7 +4047,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, u32 data; } *ed; - ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); + ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session_elog_track); ed->data = sid; /* *INDENT-ON* */ @@ -4246,7 +4060,7 @@ vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events, { clib_warning ("VCL<%d>: ERROR: session (%u) " "vep_idx (%u) != vep_idx (%u)!", - getpid (), sid, session->vep.vep_idx, vep_idx); + getpid (), sid, session_vep_idx, vep_idx); rv = VPPCOM_EINVAL; goto done; } @@ -4362,6 +4176,9 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, vppcom_endpt_t *ep = buffer; VCL_LOCK_AND_GET_SESSION (session_index, &session); + + ASSERT (session); + switch (op) { case VPPCOM_ATTR_GET_NREAD: @@ -4418,12 +4235,15 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, case VPPCOM_ATTR_GET_FLAGS: if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags)))) { - *flags = O_RDWR | ((session->is_nonblocking) ? O_NONBLOCK : 0); + *flags = O_RDWR | (VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_NONBLOCK)); *buflen = sizeof (*flags); if (VPPCOM_DEBUG > 2) clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, " "flags = 0x%08x, is_nonblocking = %u", getpid (), - session_index, *flags, session->is_nonblocking); + session_index, *flags, + VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_NONBLOCK)); if (VPPCOM_DEBUG > 0) { /* *INDENT-OFF* */ @@ -4441,7 +4261,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); ed->flags = *flags; - ed->is_nonblk = session->is_nonblocking; + ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK); /* *INDENT-ON* */ } @@ -4453,12 +4273,17 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, case VPPCOM_ATTR_SET_FLAGS: if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags)))) { - session->is_nonblocking = (*flags & O_NONBLOCK) ? 1 : 0; + if (*flags & O_NONBLOCK) + VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_NONBLOCK); + else + VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_NONBLOCK); + if (VPPCOM_DEBUG > 2) clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, " "flags = 0x%08x, is_nonblocking = %u", getpid (), session_index, *flags, - session->is_nonblocking); + VCL_SESS_ATTR_TEST (session->attr, + VCL_SESS_ATTR_NONBLOCK)); if (VPPCOM_DEBUG > 0) { /* *INDENT-OFF* */ @@ -4476,7 +4301,7 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track); ed->flags = *flags; - ed->is_nonblk = session->is_nonblocking; + ed->is_nonblk = VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_NONBLOCK); /* *INDENT-ON* */ } } @@ -4783,14 +4608,10 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, case VPPCOM_ATTR_GET_TX_FIFO_LEN: if (buffer && buflen && (*buflen >= sizeof (u32))) { - svm_fifo_t *tx_fifo; - - tx_fifo = ((!session->is_cut_thru || session->is_server) ? - session->server_tx_fifo : session->server_rx_fifo); /* VPP-TBD */ *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size : - tx_fifo ? tx_fifo->nitems : + session->tx_fifo ? session->tx_fifo->nitems : vcm->cfg.tx_fifo_size); *buflen = sizeof (u32); @@ -4857,14 +4678,10 @@ vppcom_session_attr (uint32_t session_index, uint32_t op, case VPPCOM_ATTR_GET_RX_FIFO_LEN: if (buffer && buflen && (*buflen >= sizeof (u32))) { - svm_fifo_t *rx_fifo; - - rx_fifo = ((!session->is_cut_thru || session->is_server) ? - session->server_rx_fifo : session->server_tx_fifo); /* VPP-TBD */ *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size : - rx_fifo ? rx_fifo->nitems : + session->rx_fifo ? session->rx_fifo->nitems : vcm->cfg.rx_fifo_size); *buflen = sizeof (u32); @@ -5767,7 +5584,7 @@ vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time) } } - if (0) + if (0) // Note "done:" label used by VCL_LOCK_AND_GET_SESSION() { done: *vp[i].revents = POLLNVAL; |