Lines Matching full:queue
107 struct nvme_tcp_queue *queue; member
208 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue);
215 static inline int nvme_tcp_queue_id(struct nvme_tcp_queue *queue) in nvme_tcp_queue_id() argument
217 return queue - queue->ctrl->queues; in nvme_tcp_queue_id()
234 * Check if the queue is TLS encrypted
236 static inline bool nvme_tcp_queue_tls(struct nvme_tcp_queue *queue) in nvme_tcp_queue_tls() argument
241 return queue->tls_enabled; in nvme_tcp_queue_tls()
255 static inline struct blk_mq_tags *nvme_tcp_tagset(struct nvme_tcp_queue *queue) in nvme_tcp_tagset() argument
257 u32 queue_idx = nvme_tcp_queue_id(queue); in nvme_tcp_tagset()
260 return queue->ctrl->admin_tag_set.tags[queue_idx]; in nvme_tcp_tagset()
261 return queue->ctrl->tag_set.tags[queue_idx - 1]; in nvme_tcp_tagset()
264 static inline u8 nvme_tcp_hdgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_hdgst_len() argument
266 return queue->hdr_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_hdgst_len()
269 static inline u8 nvme_tcp_ddgst_len(struct nvme_tcp_queue *queue) in nvme_tcp_ddgst_len() argument
271 return queue->data_digest ? NVME_TCP_DIGEST_LENGTH : 0; in nvme_tcp_ddgst_len()
290 return req->queue->cmnd_capsule_len - sizeof(struct nvme_command); in nvme_tcp_inline_data_size()
295 return req == &req->queue->ctrl->async_req; in nvme_tcp_async_req()
384 static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue) in nvme_tcp_send_all() argument
388 /* drain the send queue as much as we can... */ in nvme_tcp_send_all()
390 ret = nvme_tcp_try_send(queue); in nvme_tcp_send_all()
394 static inline bool nvme_tcp_queue_has_pending(struct nvme_tcp_queue *queue) in nvme_tcp_queue_has_pending() argument
396 return !list_empty(&queue->send_list) || in nvme_tcp_queue_has_pending()
397 !llist_empty(&queue->req_list); in nvme_tcp_queue_has_pending()
400 static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue) in nvme_tcp_queue_more() argument
402 return !nvme_tcp_queue_tls(queue) && in nvme_tcp_queue_more()
403 nvme_tcp_queue_has_pending(queue); in nvme_tcp_queue_more()
409 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_queue_request() local
412 empty = llist_add(&req->lentry, &queue->req_list) && in nvme_tcp_queue_request()
413 list_empty(&queue->send_list) && !queue->request; in nvme_tcp_queue_request()
417 * directly, otherwise queue io_work. Also, only do that if we in nvme_tcp_queue_request()
420 if (queue->io_cpu == raw_smp_processor_id() && in nvme_tcp_queue_request()
421 sync && empty && mutex_trylock(&queue->send_mutex)) { in nvme_tcp_queue_request()
422 nvme_tcp_send_all(queue); in nvme_tcp_queue_request()
423 mutex_unlock(&queue->send_mutex); in nvme_tcp_queue_request()
426 if (last && nvme_tcp_queue_has_pending(queue)) in nvme_tcp_queue_request()
427 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_queue_request()
430 static void nvme_tcp_process_req_list(struct nvme_tcp_queue *queue) in nvme_tcp_process_req_list() argument
435 for (node = llist_del_all(&queue->req_list); node; node = node->next) { in nvme_tcp_process_req_list()
437 list_add(&req->entry, &queue->send_list); in nvme_tcp_process_req_list()
442 nvme_tcp_fetch_request(struct nvme_tcp_queue *queue) in nvme_tcp_fetch_request() argument
446 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
449 nvme_tcp_process_req_list(queue); in nvme_tcp_fetch_request()
450 req = list_first_entry_or_null(&queue->send_list, in nvme_tcp_fetch_request()
488 static int nvme_tcp_verify_hdgst(struct nvme_tcp_queue *queue, in nvme_tcp_verify_hdgst() argument
496 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
497 "queue %d: header digest flag is cleared\n", in nvme_tcp_verify_hdgst()
498 nvme_tcp_queue_id(queue)); in nvme_tcp_verify_hdgst()
503 nvme_tcp_hdgst(queue->rcv_hash, pdu, pdu_len); in nvme_tcp_verify_hdgst()
506 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_verify_hdgst()
515 static int nvme_tcp_check_ddgst(struct nvme_tcp_queue *queue, void *pdu) in nvme_tcp_check_ddgst() argument
518 u8 digest_len = nvme_tcp_hdgst_len(queue); in nvme_tcp_check_ddgst()
525 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_check_ddgst()
526 "queue %d: data digest flag is cleared\n", in nvme_tcp_check_ddgst()
527 nvme_tcp_queue_id(queue)); in nvme_tcp_check_ddgst()
530 crypto_ahash_init(queue->rcv_hash); in nvme_tcp_check_ddgst()
551 struct nvme_tcp_queue *queue = &ctrl->queues[queue_idx]; in nvme_tcp_init_request() local
552 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_init_request()
554 req->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_init_request()
561 req->queue = queue; in nvme_tcp_init_request()
572 struct nvme_tcp_queue *queue = &ctrl->queues[hctx_idx + 1]; in nvme_tcp_init_hctx() local
574 hctx->driver_data = queue; in nvme_tcp_init_hctx()
582 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_init_admin_hctx() local
584 hctx->driver_data = queue; in nvme_tcp_init_admin_hctx()
589 nvme_tcp_recv_state(struct nvme_tcp_queue *queue) in nvme_tcp_recv_state() argument
591 return (queue->pdu_remaining) ? NVME_TCP_RECV_PDU : in nvme_tcp_recv_state()
592 (queue->ddgst_remaining) ? NVME_TCP_RECV_DDGST : in nvme_tcp_recv_state()
596 static void nvme_tcp_init_recv_ctx(struct nvme_tcp_queue *queue) in nvme_tcp_init_recv_ctx() argument
598 queue->pdu_remaining = sizeof(struct nvme_tcp_rsp_pdu) + in nvme_tcp_init_recv_ctx()
599 nvme_tcp_hdgst_len(queue); in nvme_tcp_init_recv_ctx()
600 queue->pdu_offset = 0; in nvme_tcp_init_recv_ctx()
601 queue->data_remaining = -1; in nvme_tcp_init_recv_ctx()
602 queue->ddgst_remaining = 0; in nvme_tcp_init_recv_ctx()
614 static int nvme_tcp_process_nvme_cqe(struct nvme_tcp_queue *queue, in nvme_tcp_process_nvme_cqe() argument
620 rq = nvme_find_rq(nvme_tcp_tagset(queue), cqe->command_id); in nvme_tcp_process_nvme_cqe()
622 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_process_nvme_cqe()
623 "got bad cqe.command_id %#x on queue %d\n", in nvme_tcp_process_nvme_cqe()
624 cqe->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_process_nvme_cqe()
625 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_process_nvme_cqe()
635 queue->nr_cqe++; in nvme_tcp_process_nvme_cqe()
640 static int nvme_tcp_handle_c2h_data(struct nvme_tcp_queue *queue, in nvme_tcp_handle_c2h_data() argument
645 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_c2h_data()
647 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
648 "got bad c2hdata.command_id %#x on queue %d\n", in nvme_tcp_handle_c2h_data()
649 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_c2h_data()
654 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
655 "queue %d tag %#x unexpected data\n", in nvme_tcp_handle_c2h_data()
656 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
660 queue->data_remaining = le32_to_cpu(pdu->data_length); in nvme_tcp_handle_c2h_data()
664 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_data()
665 "queue %d tag %#x SUCCESS set but not last PDU\n", in nvme_tcp_handle_c2h_data()
666 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_handle_c2h_data()
667 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_handle_c2h_data()
674 static int nvme_tcp_handle_comp(struct nvme_tcp_queue *queue, in nvme_tcp_handle_comp() argument
682 * survive any kind of queue freeze and often don't respond to in nvme_tcp_handle_comp()
686 if (unlikely(nvme_is_aen_req(nvme_tcp_queue_id(queue), in nvme_tcp_handle_comp()
688 nvme_complete_async_event(&queue->ctrl->ctrl, cqe->status, in nvme_tcp_handle_comp()
691 ret = nvme_tcp_process_nvme_cqe(queue, cqe); in nvme_tcp_handle_comp()
699 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_h2c_data_pdu() local
702 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
703 u8 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_h2c_data_pdu()
707 req->pdu_len = min(req->h2cdata_left, queue->maxh2cdata); in nvme_tcp_setup_h2c_data_pdu()
716 if (queue->hdr_digest) in nvme_tcp_setup_h2c_data_pdu()
718 if (queue->data_digest) in nvme_tcp_setup_h2c_data_pdu()
730 static int nvme_tcp_handle_r2t(struct nvme_tcp_queue *queue, in nvme_tcp_handle_r2t() argument
738 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_r2t()
740 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
741 "got bad r2t.command_id %#x on queue %d\n", in nvme_tcp_handle_r2t()
742 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_r2t()
748 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
755 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
762 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_r2t()
779 static void nvme_tcp_handle_c2h_term(struct nvme_tcp_queue *queue, in nvme_tcp_handle_c2h_term() argument
797 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_term()
809 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_handle_c2h_term()
813 static int nvme_tcp_recv_pdu(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_pdu() argument
817 char *pdu = queue->pdu; in nvme_tcp_recv_pdu()
818 size_t rcv_len = min_t(size_t, *len, queue->pdu_remaining); in nvme_tcp_recv_pdu()
822 &pdu[queue->pdu_offset], rcv_len); in nvme_tcp_recv_pdu()
826 queue->pdu_remaining -= rcv_len; in nvme_tcp_recv_pdu()
827 queue->pdu_offset += rcv_len; in nvme_tcp_recv_pdu()
830 if (queue->pdu_remaining) in nvme_tcp_recv_pdu()
833 hdr = queue->pdu; in nvme_tcp_recv_pdu()
838 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_pdu()
849 nvme_tcp_handle_c2h_term(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
853 if (queue->hdr_digest) { in nvme_tcp_recv_pdu()
854 ret = nvme_tcp_verify_hdgst(queue, queue->pdu, hdr->hlen); in nvme_tcp_recv_pdu()
860 if (queue->data_digest) { in nvme_tcp_recv_pdu()
861 ret = nvme_tcp_check_ddgst(queue, queue->pdu); in nvme_tcp_recv_pdu()
868 return nvme_tcp_handle_c2h_data(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
870 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
871 return nvme_tcp_handle_comp(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
873 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_pdu()
874 return nvme_tcp_handle_r2t(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
880 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_pdu()
893 static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb, in nvme_tcp_recv_data() argument
896 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_data()
898 nvme_cid_to_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_recv_data()
904 recv_len = min_t(size_t, *len, queue->data_remaining); in nvme_tcp_recv_data()
916 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
917 "queue %d no space in request %#x", in nvme_tcp_recv_data()
918 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
919 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
929 if (queue->data_digest) in nvme_tcp_recv_data()
931 &req->iter, recv_len, queue->rcv_hash); in nvme_tcp_recv_data()
936 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_data()
937 "queue %d failed to copy request %#x data", in nvme_tcp_recv_data()
938 nvme_tcp_queue_id(queue), rq->tag); in nvme_tcp_recv_data()
944 queue->data_remaining -= recv_len; in nvme_tcp_recv_data()
947 if (!queue->data_remaining) { in nvme_tcp_recv_data()
948 if (queue->data_digest) { in nvme_tcp_recv_data()
949 nvme_tcp_ddgst_final(queue->rcv_hash, &queue->exp_ddgst); in nvme_tcp_recv_data()
950 queue->ddgst_remaining = NVME_TCP_DIGEST_LENGTH; in nvme_tcp_recv_data()
955 queue->nr_cqe++; in nvme_tcp_recv_data()
957 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_data()
964 static int nvme_tcp_recv_ddgst(struct nvme_tcp_queue *queue, in nvme_tcp_recv_ddgst() argument
967 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_ddgst()
968 char *ddgst = (char *)&queue->recv_ddgst; in nvme_tcp_recv_ddgst()
969 size_t recv_len = min_t(size_t, *len, queue->ddgst_remaining); in nvme_tcp_recv_ddgst()
970 off_t off = NVME_TCP_DIGEST_LENGTH - queue->ddgst_remaining; in nvme_tcp_recv_ddgst()
977 queue->ddgst_remaining -= recv_len; in nvme_tcp_recv_ddgst()
980 if (queue->ddgst_remaining) in nvme_tcp_recv_ddgst()
983 if (queue->recv_ddgst != queue->exp_ddgst) { in nvme_tcp_recv_ddgst()
984 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
990 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_ddgst()
992 le32_to_cpu(queue->recv_ddgst), in nvme_tcp_recv_ddgst()
993 le32_to_cpu(queue->exp_ddgst)); in nvme_tcp_recv_ddgst()
997 struct request *rq = nvme_cid_to_rq(nvme_tcp_tagset(queue), in nvme_tcp_recv_ddgst()
1002 queue->nr_cqe++; in nvme_tcp_recv_ddgst()
1005 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_recv_ddgst()
1012 struct nvme_tcp_queue *queue = desc->arg.data; in nvme_tcp_recv_skb() local
1016 if (unlikely(!queue->rd_enabled)) in nvme_tcp_recv_skb()
1020 switch (nvme_tcp_recv_state(queue)) { in nvme_tcp_recv_skb()
1022 result = nvme_tcp_recv_pdu(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
1025 result = nvme_tcp_recv_data(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
1028 result = nvme_tcp_recv_ddgst(queue, skb, &offset, &len); in nvme_tcp_recv_skb()
1034 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_recv_skb()
1036 queue->rd_enabled = false; in nvme_tcp_recv_skb()
1037 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_recv_skb()
1047 struct nvme_tcp_queue *queue; in nvme_tcp_data_ready() local
1052 queue = sk->sk_user_data; in nvme_tcp_data_ready()
1053 if (likely(queue && queue->rd_enabled) && in nvme_tcp_data_ready()
1054 !test_bit(NVME_TCP_Q_POLLING, &queue->flags)) in nvme_tcp_data_ready()
1055 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_data_ready()
1061 struct nvme_tcp_queue *queue; in nvme_tcp_write_space() local
1064 queue = sk->sk_user_data; in nvme_tcp_write_space()
1065 if (likely(queue && sk_stream_is_writeable(sk))) { in nvme_tcp_write_space()
1067 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_write_space()
1074 struct nvme_tcp_queue *queue; in nvme_tcp_state_change() local
1077 queue = sk->sk_user_data; in nvme_tcp_state_change()
1078 if (!queue) in nvme_tcp_state_change()
1087 nvme_tcp_error_recovery(&queue->ctrl->ctrl); in nvme_tcp_state_change()
1090 dev_info(queue->ctrl->ctrl.device, in nvme_tcp_state_change()
1091 "queue %d socket state %d\n", in nvme_tcp_state_change()
1092 nvme_tcp_queue_id(queue), sk->sk_state); in nvme_tcp_state_change()
1095 queue->state_change(sk); in nvme_tcp_state_change()
1100 static inline void nvme_tcp_done_send_req(struct nvme_tcp_queue *queue) in nvme_tcp_done_send_req() argument
1102 queue->request = NULL; in nvme_tcp_done_send_req()
1110 nvme_complete_async_event(&req->queue->ctrl->ctrl, in nvme_tcp_fail_request()
1120 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data() local
1136 if (last && !queue->data_digest && !nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_data()
1146 ret = sock_sendmsg(queue->sock, &msg); in nvme_tcp_try_send_data()
1150 if (queue->data_digest) in nvme_tcp_try_send_data()
1151 nvme_tcp_ddgst_update(queue->snd_hash, page, in nvme_tcp_try_send_data()
1164 if (queue->data_digest) { in nvme_tcp_try_send_data()
1165 nvme_tcp_ddgst_final(queue->snd_hash, in nvme_tcp_try_send_data()
1173 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_data()
1183 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_cmd_pdu() local
1188 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_cmd_pdu()
1192 if (inline_data || nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_cmd_pdu()
1197 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_cmd_pdu()
1198 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_cmd_pdu()
1202 ret = sock_sendmsg(queue->sock, &msg); in nvme_tcp_try_send_cmd_pdu()
1210 if (queue->data_digest) in nvme_tcp_try_send_cmd_pdu()
1211 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_cmd_pdu()
1213 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_cmd_pdu()
1224 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_data_pdu() local
1228 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_try_send_data_pdu()
1232 if (queue->hdr_digest && !req->offset) in nvme_tcp_try_send_data_pdu()
1233 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_data_pdu()
1240 ret = sock_sendmsg(queue->sock, &msg); in nvme_tcp_try_send_data_pdu()
1247 if (queue->data_digest) in nvme_tcp_try_send_data_pdu()
1248 crypto_ahash_init(queue->snd_hash); in nvme_tcp_try_send_data_pdu()
1258 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_try_send_ddgst() local
1268 if (nvme_tcp_queue_more(queue)) in nvme_tcp_try_send_ddgst()
1273 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_try_send_ddgst()
1281 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send_ddgst()
1289 static int nvme_tcp_try_send(struct nvme_tcp_queue *queue) in nvme_tcp_try_send() argument
1295 if (!queue->request) { in nvme_tcp_try_send()
1296 queue->request = nvme_tcp_fetch_request(queue); in nvme_tcp_try_send()
1297 if (!queue->request) in nvme_tcp_try_send()
1300 req = queue->request; in nvme_tcp_try_send()
1329 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_try_send()
1331 nvme_tcp_fail_request(queue->request); in nvme_tcp_try_send()
1332 nvme_tcp_done_send_req(queue); in nvme_tcp_try_send()
1339 static int nvme_tcp_try_recv(struct nvme_tcp_queue *queue) in nvme_tcp_try_recv() argument
1341 struct socket *sock = queue->sock; in nvme_tcp_try_recv()
1346 rd_desc.arg.data = queue; in nvme_tcp_try_recv()
1349 queue->nr_cqe = 0; in nvme_tcp_try_recv()
1357 struct nvme_tcp_queue *queue = in nvme_tcp_io_work() local
1365 if (mutex_trylock(&queue->send_mutex)) { in nvme_tcp_io_work()
1366 result = nvme_tcp_try_send(queue); in nvme_tcp_io_work()
1367 mutex_unlock(&queue->send_mutex); in nvme_tcp_io_work()
1374 result = nvme_tcp_try_recv(queue); in nvme_tcp_io_work()
1380 if (!pending || !queue->rd_enabled) in nvme_tcp_io_work()
1385 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_io_work()
1388 static void nvme_tcp_free_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_free_crypto() argument
1390 struct crypto_ahash *tfm = crypto_ahash_reqtfm(queue->rcv_hash); in nvme_tcp_free_crypto()
1392 ahash_request_free(queue->rcv_hash); in nvme_tcp_free_crypto()
1393 ahash_request_free(queue->snd_hash); in nvme_tcp_free_crypto()
1397 static int nvme_tcp_alloc_crypto(struct nvme_tcp_queue *queue) in nvme_tcp_alloc_crypto() argument
1405 queue->snd_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1406 if (!queue->snd_hash) in nvme_tcp_alloc_crypto()
1408 ahash_request_set_callback(queue->snd_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1410 queue->rcv_hash = ahash_request_alloc(tfm, GFP_KERNEL); in nvme_tcp_alloc_crypto()
1411 if (!queue->rcv_hash) in nvme_tcp_alloc_crypto()
1413 ahash_request_set_callback(queue->rcv_hash, 0, NULL, NULL); in nvme_tcp_alloc_crypto()
1417 ahash_request_free(queue->snd_hash); in nvme_tcp_alloc_crypto()
1432 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req() local
1434 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_async_req()
1436 async->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_alloc_async_req()
1442 async->queue = &ctrl->queues[0]; in nvme_tcp_alloc_async_req()
1449 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_free_queue() local
1452 if (!test_and_clear_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_free_queue()
1455 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_free_queue()
1456 nvme_tcp_free_crypto(queue); in nvme_tcp_free_queue()
1458 page_frag_cache_drain(&queue->pf_cache); in nvme_tcp_free_queue()
1462 fput(queue->sock->file); in nvme_tcp_free_queue()
1463 queue->sock = NULL; in nvme_tcp_free_queue()
1466 kfree(queue->pdu); in nvme_tcp_free_queue()
1467 mutex_destroy(&queue->send_mutex); in nvme_tcp_free_queue()
1468 mutex_destroy(&queue->queue_lock); in nvme_tcp_free_queue()
1471 static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue) in nvme_tcp_init_connection() argument
1500 if (queue->hdr_digest) in nvme_tcp_init_connection()
1502 if (queue->data_digest) in nvme_tcp_init_connection()
1507 ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len); in nvme_tcp_init_connection()
1509 pr_warn("queue %d: failed to send icreq, error %d\n", in nvme_tcp_init_connection()
1510 nvme_tcp_queue_id(queue), ret); in nvme_tcp_init_connection()
1517 if (nvme_tcp_queue_tls(queue)) { in nvme_tcp_init_connection()
1522 ret = kernel_recvmsg(queue->sock, &msg, &iov, 1, in nvme_tcp_init_connection()
1527 pr_warn("queue %d: failed to receive icresp, error %d\n", in nvme_tcp_init_connection()
1528 nvme_tcp_queue_id(queue), ret); in nvme_tcp_init_connection()
1532 if (nvme_tcp_queue_tls(queue)) { in nvme_tcp_init_connection()
1533 ctype = tls_get_record_type(queue->sock->sk, in nvme_tcp_init_connection()
1536 pr_err("queue %d: unhandled TLS record %d\n", in nvme_tcp_init_connection()
1537 nvme_tcp_queue_id(queue), ctype); in nvme_tcp_init_connection()
1543 pr_err("queue %d: bad type returned %d\n", in nvme_tcp_init_connection()
1544 nvme_tcp_queue_id(queue), icresp->hdr.type); in nvme_tcp_init_connection()
1549 pr_err("queue %d: bad pdu length returned %d\n", in nvme_tcp_init_connection()
1550 nvme_tcp_queue_id(queue), icresp->hdr.plen); in nvme_tcp_init_connection()
1555 pr_err("queue %d: bad pfv returned %d\n", in nvme_tcp_init_connection()
1556 nvme_tcp_queue_id(queue), icresp->pfv); in nvme_tcp_init_connection()
1561 if ((queue->data_digest && !ctrl_ddgst) || in nvme_tcp_init_connection()
1562 (!queue->data_digest && ctrl_ddgst)) { in nvme_tcp_init_connection()
1563 pr_err("queue %d: data digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1564 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1565 queue->data_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1571 if ((queue->hdr_digest && !ctrl_hdgst) || in nvme_tcp_init_connection()
1572 (!queue->hdr_digest && ctrl_hdgst)) { in nvme_tcp_init_connection()
1573 pr_err("queue %d: header digest mismatch host: %s ctrl: %s\n", in nvme_tcp_init_connection()
1574 nvme_tcp_queue_id(queue), in nvme_tcp_init_connection()
1575 queue->hdr_digest ? "enabled" : "disabled", in nvme_tcp_init_connection()
1581 pr_err("queue %d: unsupported cpda returned %d\n", in nvme_tcp_init_connection()
1582 nvme_tcp_queue_id(queue), icresp->cpda); in nvme_tcp_init_connection()
1588 pr_err("queue %d: invalid maxh2cdata returned %u\n", in nvme_tcp_init_connection()
1589 nvme_tcp_queue_id(queue), maxh2cdata); in nvme_tcp_init_connection()
1592 queue->maxh2cdata = maxh2cdata; in nvme_tcp_init_connection()
1602 static bool nvme_tcp_admin_queue(struct nvme_tcp_queue *queue) in nvme_tcp_admin_queue() argument
1604 return nvme_tcp_queue_id(queue) == 0; in nvme_tcp_admin_queue()
1607 static bool nvme_tcp_default_queue(struct nvme_tcp_queue *queue) in nvme_tcp_default_queue() argument
1609 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_default_queue()
1610 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_default_queue()
1612 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_default_queue()
1616 static bool nvme_tcp_read_queue(struct nvme_tcp_queue *queue) in nvme_tcp_read_queue() argument
1618 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_read_queue()
1619 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_read_queue()
1621 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_read_queue()
1622 !nvme_tcp_default_queue(queue) && in nvme_tcp_read_queue()
1627 static bool nvme_tcp_poll_queue(struct nvme_tcp_queue *queue) in nvme_tcp_poll_queue() argument
1629 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_poll_queue()
1630 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_poll_queue()
1632 return !nvme_tcp_admin_queue(queue) && in nvme_tcp_poll_queue()
1633 !nvme_tcp_default_queue(queue) && in nvme_tcp_poll_queue()
1634 !nvme_tcp_read_queue(queue) && in nvme_tcp_poll_queue()
1649 static void nvme_tcp_set_queue_io_cpu(struct nvme_tcp_queue *queue) in nvme_tcp_set_queue_io_cpu() argument
1651 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_set_queue_io_cpu()
1653 int qid = nvme_tcp_queue_id(queue) - 1; in nvme_tcp_set_queue_io_cpu()
1660 if (nvme_tcp_default_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1662 else if (nvme_tcp_read_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1664 else if (nvme_tcp_poll_queue(queue)) in nvme_tcp_set_queue_io_cpu()
1683 queue->io_cpu = io_cpu; in nvme_tcp_set_queue_io_cpu()
1685 set_bit(NVME_TCP_Q_IO_CPU_SET, &queue->flags); in nvme_tcp_set_queue_io_cpu()
1688 dev_dbg(ctrl->ctrl.device, "queue %d: using cpu %d\n", in nvme_tcp_set_queue_io_cpu()
1689 qid, queue->io_cpu); in nvme_tcp_set_queue_io_cpu()
1694 struct nvme_tcp_queue *queue = data; in nvme_tcp_tls_done() local
1695 struct nvme_tcp_ctrl *ctrl = queue->ctrl; in nvme_tcp_tls_done()
1696 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_tls_done()
1699 dev_dbg(ctrl->ctrl.device, "queue %d: TLS handshake done, key %x, status %d\n", in nvme_tcp_tls_done()
1703 queue->tls_err = -status; in nvme_tcp_tls_done()
1709 dev_warn(ctrl->ctrl.device, "queue %d: Invalid key %x\n", in nvme_tcp_tls_done()
1711 queue->tls_err = -ENOKEY; in nvme_tcp_tls_done()
1713 queue->tls_enabled = true; in nvme_tcp_tls_done()
1717 queue->tls_err = 0; in nvme_tcp_tls_done()
1721 complete(&queue->tls_complete); in nvme_tcp_tls_done()
1725 struct nvme_tcp_queue *queue, in nvme_tcp_start_tls() argument
1728 int qid = nvme_tcp_queue_id(queue); in nvme_tcp_start_tls()
1734 dev_dbg(nctrl->device, "queue %d: start TLS with key %x\n", in nvme_tcp_start_tls()
1737 args.ta_sock = queue->sock; in nvme_tcp_start_tls()
1739 args.ta_data = queue; in nvme_tcp_start_tls()
1746 queue->tls_err = -EOPNOTSUPP; in nvme_tcp_start_tls()
1747 init_completion(&queue->tls_complete); in nvme_tcp_start_tls()
1750 dev_err(nctrl->device, "queue %d: failed to start TLS: %d\n", in nvme_tcp_start_tls()
1754 ret = wait_for_completion_interruptible_timeout(&queue->tls_complete, tmo); in nvme_tcp_start_tls()
1760 "queue %d: TLS handshake failed, error %d\n", in nvme_tcp_start_tls()
1762 tls_handshake_cancel(queue->sock->sk); in nvme_tcp_start_tls()
1765 "queue %d: TLS handshake complete, error %d\n", in nvme_tcp_start_tls()
1766 qid, queue->tls_err); in nvme_tcp_start_tls()
1767 ret = queue->tls_err; in nvme_tcp_start_tls()
1776 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_alloc_queue() local
1780 mutex_init(&queue->queue_lock); in nvme_tcp_alloc_queue()
1781 queue->ctrl = ctrl; in nvme_tcp_alloc_queue()
1782 init_llist_head(&queue->req_list); in nvme_tcp_alloc_queue()
1783 INIT_LIST_HEAD(&queue->send_list); in nvme_tcp_alloc_queue()
1784 mutex_init(&queue->send_mutex); in nvme_tcp_alloc_queue()
1785 INIT_WORK(&queue->io_work, nvme_tcp_io_work); in nvme_tcp_alloc_queue()
1788 queue->cmnd_capsule_len = nctrl->ioccsz * 16; in nvme_tcp_alloc_queue()
1790 queue->cmnd_capsule_len = sizeof(struct nvme_command) + in nvme_tcp_alloc_queue()
1794 IPPROTO_TCP, &queue->sock); in nvme_tcp_alloc_queue()
1801 sock_file = sock_alloc_file(queue->sock, O_CLOEXEC, NULL); in nvme_tcp_alloc_queue()
1806 nvme_tcp_reclassify_socket(queue->sock); in nvme_tcp_alloc_queue()
1809 tcp_sock_set_syncnt(queue->sock->sk, 1); in nvme_tcp_alloc_queue()
1812 tcp_sock_set_nodelay(queue->sock->sk); in nvme_tcp_alloc_queue()
1815 * Cleanup whatever is sitting in the TCP transmit queue on socket in nvme_tcp_alloc_queue()
1819 sock_no_linger(queue->sock->sk); in nvme_tcp_alloc_queue()
1822 sock_set_priority(queue->sock->sk, so_priority); in nvme_tcp_alloc_queue()
1826 ip_sock_set_tos(queue->sock->sk, nctrl->opts->tos); in nvme_tcp_alloc_queue()
1829 queue->sock->sk->sk_rcvtimeo = 10 * HZ; in nvme_tcp_alloc_queue()
1831 queue->sock->sk->sk_allocation = GFP_ATOMIC; in nvme_tcp_alloc_queue()
1832 queue->sock->sk->sk_use_task_frag = false; in nvme_tcp_alloc_queue()
1833 queue->io_cpu = WORK_CPU_UNBOUND; in nvme_tcp_alloc_queue()
1834 queue->request = NULL; in nvme_tcp_alloc_queue()
1835 queue->data_remaining = 0; in nvme_tcp_alloc_queue()
1836 queue->ddgst_remaining = 0; in nvme_tcp_alloc_queue()
1837 queue->pdu_remaining = 0; in nvme_tcp_alloc_queue()
1838 queue->pdu_offset = 0; in nvme_tcp_alloc_queue()
1839 sk_set_memalloc(queue->sock->sk); in nvme_tcp_alloc_queue()
1842 ret = kernel_bind(queue->sock, (struct sockaddr *)&ctrl->src_addr, in nvme_tcp_alloc_queue()
1846 "failed to bind queue %d socket %d\n", in nvme_tcp_alloc_queue()
1856 ret = sock_setsockopt(queue->sock, SOL_SOCKET, SO_BINDTODEVICE, in nvme_tcp_alloc_queue()
1860 "failed to bind to interface %s queue %d err %d\n", in nvme_tcp_alloc_queue()
1866 queue->hdr_digest = nctrl->opts->hdr_digest; in nvme_tcp_alloc_queue()
1867 queue->data_digest = nctrl->opts->data_digest; in nvme_tcp_alloc_queue()
1868 if (queue->hdr_digest || queue->data_digest) { in nvme_tcp_alloc_queue()
1869 ret = nvme_tcp_alloc_crypto(queue); in nvme_tcp_alloc_queue()
1872 "failed to allocate queue %d crypto\n", qid); in nvme_tcp_alloc_queue()
1878 nvme_tcp_hdgst_len(queue); in nvme_tcp_alloc_queue()
1879 queue->pdu = kmalloc(rcv_pdu_size, GFP_KERNEL); in nvme_tcp_alloc_queue()
1880 if (!queue->pdu) { in nvme_tcp_alloc_queue()
1885 dev_dbg(nctrl->device, "connecting queue %d\n", in nvme_tcp_alloc_queue()
1886 nvme_tcp_queue_id(queue)); in nvme_tcp_alloc_queue()
1888 ret = kernel_connect(queue->sock, (struct sockaddr *)&ctrl->addr, in nvme_tcp_alloc_queue()
1898 ret = nvme_tcp_start_tls(nctrl, queue, pskid); in nvme_tcp_alloc_queue()
1903 ret = nvme_tcp_init_connection(queue); in nvme_tcp_alloc_queue()
1907 set_bit(NVME_TCP_Q_ALLOCATED, &queue->flags); in nvme_tcp_alloc_queue()
1912 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in nvme_tcp_alloc_queue()
1914 kfree(queue->pdu); in nvme_tcp_alloc_queue()
1916 if (queue->hdr_digest || queue->data_digest) in nvme_tcp_alloc_queue()
1917 nvme_tcp_free_crypto(queue); in nvme_tcp_alloc_queue()
1920 fput(queue->sock->file); in nvme_tcp_alloc_queue()
1921 queue->sock = NULL; in nvme_tcp_alloc_queue()
1923 mutex_destroy(&queue->send_mutex); in nvme_tcp_alloc_queue()
1924 mutex_destroy(&queue->queue_lock); in nvme_tcp_alloc_queue()
1928 static void nvme_tcp_restore_sock_ops(struct nvme_tcp_queue *queue) in nvme_tcp_restore_sock_ops() argument
1930 struct socket *sock = queue->sock; in nvme_tcp_restore_sock_ops()
1934 sock->sk->sk_data_ready = queue->data_ready; in nvme_tcp_restore_sock_ops()
1935 sock->sk->sk_state_change = queue->state_change; in nvme_tcp_restore_sock_ops()
1936 sock->sk->sk_write_space = queue->write_space; in nvme_tcp_restore_sock_ops()
1940 static void __nvme_tcp_stop_queue(struct nvme_tcp_queue *queue) in __nvme_tcp_stop_queue() argument
1942 kernel_sock_shutdown(queue->sock, SHUT_RDWR); in __nvme_tcp_stop_queue()
1943 nvme_tcp_restore_sock_ops(queue); in __nvme_tcp_stop_queue()
1944 cancel_work_sync(&queue->io_work); in __nvme_tcp_stop_queue()
1950 struct nvme_tcp_queue *queue = &ctrl->queues[qid]; in nvme_tcp_stop_queue() local
1952 if (!test_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_stop_queue()
1955 if (test_and_clear_bit(NVME_TCP_Q_IO_CPU_SET, &queue->flags)) in nvme_tcp_stop_queue()
1956 atomic_dec(&nvme_tcp_cpu_queues[queue->io_cpu]); in nvme_tcp_stop_queue()
1958 mutex_lock(&queue->queue_lock); in nvme_tcp_stop_queue()
1959 if (test_and_clear_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_stop_queue()
1960 __nvme_tcp_stop_queue(queue); in nvme_tcp_stop_queue()
1961 /* Stopping the queue will disable TLS */ in nvme_tcp_stop_queue()
1962 queue->tls_enabled = false; in nvme_tcp_stop_queue()
1963 mutex_unlock(&queue->queue_lock); in nvme_tcp_stop_queue()
1966 static void nvme_tcp_setup_sock_ops(struct nvme_tcp_queue *queue) in nvme_tcp_setup_sock_ops() argument
1968 write_lock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_setup_sock_ops()
1969 queue->sock->sk->sk_user_data = queue; in nvme_tcp_setup_sock_ops()
1970 queue->state_change = queue->sock->sk->sk_state_change; in nvme_tcp_setup_sock_ops()
1971 queue->data_ready = queue->sock->sk->sk_data_ready; in nvme_tcp_setup_sock_ops()
1972 queue->write_space = queue->sock->sk->sk_write_space; in nvme_tcp_setup_sock_ops()
1973 queue->sock->sk->sk_data_ready = nvme_tcp_data_ready; in nvme_tcp_setup_sock_ops()
1974 queue->sock->sk->sk_state_change = nvme_tcp_state_change; in nvme_tcp_setup_sock_ops()
1975 queue->sock->sk->sk_write_space = nvme_tcp_write_space; in nvme_tcp_setup_sock_ops()
1977 queue->sock->sk->sk_ll_usec = 1; in nvme_tcp_setup_sock_ops()
1979 write_unlock_bh(&queue->sock->sk->sk_callback_lock); in nvme_tcp_setup_sock_ops()
1985 struct nvme_tcp_queue *queue = &ctrl->queues[idx]; in nvme_tcp_start_queue() local
1988 queue->rd_enabled = true; in nvme_tcp_start_queue()
1989 nvme_tcp_init_recv_ctx(queue); in nvme_tcp_start_queue()
1990 nvme_tcp_setup_sock_ops(queue); in nvme_tcp_start_queue()
1993 nvme_tcp_set_queue_io_cpu(queue); in nvme_tcp_start_queue()
1999 set_bit(NVME_TCP_Q_LIVE, &queue->flags); in nvme_tcp_start_queue()
2001 if (test_bit(NVME_TCP_Q_ALLOCATED, &queue->flags)) in nvme_tcp_start_queue()
2002 __nvme_tcp_stop_queue(queue); in nvme_tcp_start_queue()
2004 "failed to connect queue: %d ret=%d\n", idx, ret); in nvme_tcp_start_queue()
2159 * queue number might have changed. in nvme_tcp_configure_io_queues()
2514 static void nvme_tcp_set_sg_inline(struct nvme_tcp_queue *queue, in nvme_tcp_set_sg_inline() argument
2519 sg->addr = cpu_to_le64(queue->ctrl->ctrl.icdoff); in nvme_tcp_set_sg_inline()
2538 struct nvme_tcp_queue *queue = &ctrl->queues[0]; in nvme_tcp_submit_async_event() local
2541 u8 hdgst = nvme_tcp_hdgst_len(queue); in nvme_tcp_submit_async_event()
2545 if (queue->hdr_digest) in nvme_tcp_submit_async_event()
2566 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_complete_timed_out()
2568 nvme_tcp_stop_queue(ctrl, nvme_tcp_queue_id(req->queue)); in nvme_tcp_complete_timed_out()
2575 struct nvme_ctrl *ctrl = &req->queue->ctrl->ctrl; in nvme_tcp_timeout()
2578 int qid = nvme_tcp_queue_id(req->queue); in nvme_tcp_timeout()
2611 static blk_status_t nvme_tcp_map_data(struct nvme_tcp_queue *queue, in nvme_tcp_map_data() argument
2624 nvme_tcp_set_sg_inline(queue, c, req->data_len); in nvme_tcp_map_data()
2636 struct nvme_tcp_queue *queue = req->queue; in nvme_tcp_setup_cmd_pdu() local
2637 u8 hdgst = nvme_tcp_hdgst_len(queue), ddgst = 0; in nvme_tcp_setup_cmd_pdu()
2663 if (queue->hdr_digest) in nvme_tcp_setup_cmd_pdu()
2665 if (queue->data_digest && req->pdu_len) { in nvme_tcp_setup_cmd_pdu()
2667 ddgst = nvme_tcp_ddgst_len(queue); in nvme_tcp_setup_cmd_pdu()
2674 ret = nvme_tcp_map_data(queue, rq); in nvme_tcp_setup_cmd_pdu()
2677 dev_err(queue->ctrl->ctrl.device, in nvme_tcp_setup_cmd_pdu()
2687 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_commit_rqs() local
2689 if (!llist_empty(&queue->req_list)) in nvme_tcp_commit_rqs()
2690 queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work); in nvme_tcp_commit_rqs()
2696 struct nvme_ns *ns = hctx->queue->queuedata; in nvme_tcp_queue_rq()
2697 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_queue_rq() local
2700 bool queue_ready = test_bit(NVME_TCP_Q_LIVE, &queue->flags); in nvme_tcp_queue_rq()
2703 if (!nvme_check_ready(&queue->ctrl->ctrl, rq, queue_ready)) in nvme_tcp_queue_rq()
2704 return nvme_fail_nonready_command(&queue->ctrl->ctrl, rq); in nvme_tcp_queue_rq()
2726 struct nvme_tcp_queue *queue = hctx->driver_data; in nvme_tcp_poll() local
2727 struct sock *sk = queue->sock->sk; in nvme_tcp_poll()
2730 if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_poll()
2733 set_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2736 ret = nvme_tcp_try_recv(queue); in nvme_tcp_poll()
2737 clear_bit(NVME_TCP_Q_POLLING, &queue->flags); in nvme_tcp_poll()
2738 return ret < 0 ? ret : queue->nr_cqe; in nvme_tcp_poll()
2743 struct nvme_tcp_queue *queue = &to_tcp_ctrl(ctrl)->queues[0]; in nvme_tcp_get_address() local
2749 if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags)) in nvme_tcp_get_address()
2752 mutex_lock(&queue->queue_lock); in nvme_tcp_get_address()
2754 ret = kernel_getsockname(queue->sock, (struct sockaddr *)&src_addr); in nvme_tcp_get_address()
2762 mutex_unlock(&queue->queue_lock); in nvme_tcp_get_address()