80 	void			*pdu;  member
123 	void			*pdu;  member
392 		void *pdu, size_t len)  in nvme_tcp_hdgst()  argument
396 	sg_init_one(&sg, pdu, len);  in nvme_tcp_hdgst()
397 	ahash_request_set_crypt(hash, &sg, pdu + len, len);  in nvme_tcp_hdgst()
402 		void *pdu, size_t pdu_len)  in nvme_tcp_verify_hdgst()  argument
404 	struct nvme_tcp_hdr *hdr = pdu;  in nvme_tcp_verify_hdgst()
415 	recv_digest = *(__le32 *)(pdu + hdr->hlen);  in nvme_tcp_verify_hdgst()
416 	nvme_tcp_hdgst(queue->rcv_hash, pdu, pdu_len);  in nvme_tcp_verify_hdgst()
417 	exp_digest = *(__le32 *)(pdu + hdr->hlen);  in nvme_tcp_verify_hdgst()
428 static int nvme_tcp_check_ddgst(struct nvme_tcp_queue *queue, void *pdu)  in nvme_tcp_check_ddgst()  argument
430 	struct nvme_tcp_hdr *hdr = pdu;  in nvme_tcp_check_ddgst()
453 	page_frag_free(req->pdu);  in nvme_tcp_exit_request()
466 	req->pdu = page_frag_alloc(&queue->pf_cache,  in nvme_tcp_init_request()
469 	if (!req->pdu)  in nvme_tcp_init_request()
546 		struct nvme_tcp_data_pdu *pdu)  in nvme_tcp_handle_c2h_data()  argument
550 	rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id);  in nvme_tcp_handle_c2h_data()
554 			pdu->command_id, nvme_tcp_queue_id(queue));  in nvme_tcp_handle_c2h_data()
565 	queue->data_remaining = le32_to_cpu(pdu->data_length);  in nvme_tcp_handle_c2h_data()
567 	if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS &&  in nvme_tcp_handle_c2h_data()
568 	    unlikely(!(pdu->hdr.flags & NVME_TCP_F_DATA_LAST))) {  in nvme_tcp_handle_c2h_data()
580 		struct nvme_tcp_rsp_pdu *pdu)  in nvme_tcp_handle_comp()  argument
582 	struct nvme_completion *cqe = &pdu->cqe;  in nvme_tcp_handle_comp()
602 		struct nvme_tcp_r2t_pdu *pdu)  in nvme_tcp_setup_h2c_data_pdu()  argument
604 	struct nvme_tcp_data_pdu *data = req->pdu;  in nvme_tcp_setup_h2c_data_pdu()
610 	req->pdu_len = le32_to_cpu(pdu->r2t_length);  in nvme_tcp_setup_h2c_data_pdu()
628 	if (unlikely(le32_to_cpu(pdu->r2t_offset) < req->data_sent)) {  in nvme_tcp_setup_h2c_data_pdu()
631 			rq->tag, le32_to_cpu(pdu->r2t_offset),  in nvme_tcp_setup_h2c_data_pdu()
647 	data->ttag = pdu->ttag;  in nvme_tcp_setup_h2c_data_pdu()
649 	data->data_offset = pdu->r2t_offset;  in nvme_tcp_setup_h2c_data_pdu()
655 		struct nvme_tcp_r2t_pdu *pdu)  in nvme_tcp_handle_r2t()  argument
661 	rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id);  in nvme_tcp_handle_r2t()
665 			pdu->command_id, nvme_tcp_queue_id(queue));  in nvme_tcp_handle_r2t()
670 	ret = nvme_tcp_setup_h2c_data_pdu(req, pdu);  in nvme_tcp_handle_r2t()
686 	char *pdu = queue->pdu;  in nvme_tcp_recv_pdu()  local
691 		&pdu[queue->pdu_offset], rcv_len);  in nvme_tcp_recv_pdu()
702 	hdr = queue->pdu;  in nvme_tcp_recv_pdu()
704 		ret = nvme_tcp_verify_hdgst(queue, queue->pdu, hdr->hlen);  in nvme_tcp_recv_pdu()
711 		ret = nvme_tcp_check_ddgst(queue, queue->pdu);  in nvme_tcp_recv_pdu()
718 		return nvme_tcp_handle_c2h_data(queue, (void *)queue->pdu);  in nvme_tcp_recv_pdu()
721 		return nvme_tcp_handle_comp(queue, (void *)queue->pdu);  in nvme_tcp_recv_pdu()
724 		return nvme_tcp_handle_r2t(queue, (void *)queue->pdu);  in nvme_tcp_recv_pdu()
743 	struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu;  in nvme_tcp_recv_data()  local
745 		nvme_cid_to_rq(nvme_tcp_tagset(queue), pdu->command_id);  in nvme_tcp_recv_data()
799 			if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS) {  in nvme_tcp_recv_data()
813 	struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu;  in nvme_tcp_recv_ddgst()  local
837 	if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS) {  in nvme_tcp_recv_ddgst()
839 					pdu->command_id);  in nvme_tcp_recv_ddgst()
1012 	struct nvme_tcp_cmd_pdu *pdu = req->pdu;  in nvme_tcp_try_send_cmd_pdu()  local
1015 	int len = sizeof(*pdu) + hdgst - req->offset;  in nvme_tcp_try_send_cmd_pdu()
1025 		nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu));  in nvme_tcp_try_send_cmd_pdu()
1027 	ret = kernel_sendpage(queue->sock, virt_to_page(pdu),  in nvme_tcp_try_send_cmd_pdu()
1028 			offset_in_page(pdu) + req->offset, len,  flags);  in nvme_tcp_try_send_cmd_pdu()
1052 	struct nvme_tcp_data_pdu *pdu = req->pdu;  in nvme_tcp_try_send_data_pdu()  local
1054 	int len = sizeof(*pdu) - req->offset + hdgst;  in nvme_tcp_try_send_data_pdu()
1058 		nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu));  in nvme_tcp_try_send_data_pdu()
1060 	ret = kernel_sendpage(queue->sock, virt_to_page(pdu),  in nvme_tcp_try_send_data_pdu()
1061 			offset_in_page(pdu) + req->offset, len,  in nvme_tcp_try_send_data_pdu()
1243 	page_frag_free(async->pdu);  in nvme_tcp_free_async_req()
1252 	async->pdu = page_frag_alloc(&queue->pf_cache,  in nvme_tcp_alloc_async_req()
1255 	if (!async->pdu)  in nvme_tcp_alloc_async_req()
1274 	kfree(queue->pdu);  in nvme_tcp_free_queue()
1517 	queue->pdu = kmalloc(rcv_pdu_size, GFP_KERNEL);  in nvme_tcp_alloc_queue()
1518 	if (!queue->pdu) {  in nvme_tcp_alloc_queue()
1560 	kfree(queue->pdu);  in nvme_tcp_alloc_queue()
1666 	if (to_tcp_ctrl(ctrl)->async_req.pdu) {  in nvme_tcp_free_admin_queue()
1669 		to_tcp_ctrl(ctrl)->async_req.pdu = NULL;  in nvme_tcp_free_admin_queue()
2232 	struct nvme_tcp_cmd_pdu *pdu = ctrl->async_req.pdu;  in nvme_tcp_submit_async_event()  local
2233 	struct nvme_command *cmd = &pdu->cmd;  in nvme_tcp_submit_async_event()
2236 	memset(pdu, 0, sizeof(*pdu));  in nvme_tcp_submit_async_event()
2237 	pdu->hdr.type = nvme_tcp_cmd;  in nvme_tcp_submit_async_event()
2239 		pdu->hdr.flags |= NVME_TCP_F_HDGST;  in nvme_tcp_submit_async_event()
2240 	pdu->hdr.hlen = sizeof(*pdu);  in nvme_tcp_submit_async_event()
2241 	pdu->hdr.plen = cpu_to_le32(pdu->hdr.hlen + hdgst);  in nvme_tcp_submit_async_event()
2273 	struct nvme_tcp_cmd_pdu *pdu = req->pdu;  in nvme_tcp_timeout()  local
2277 		nvme_tcp_queue_id(req->queue), rq->tag, pdu->hdr.type);  in nvme_tcp_timeout()
2309 	struct nvme_tcp_cmd_pdu *pdu = req->pdu;  in nvme_tcp_map_data()  local
2310 	struct nvme_command *c = &pdu->cmd;  in nvme_tcp_map_data()
2329 	struct nvme_tcp_cmd_pdu *pdu = req->pdu;  in nvme_tcp_setup_cmd_pdu()  local
2334 	ret = nvme_setup_cmd(ns, rq, &pdu->cmd);  in nvme_tcp_setup_cmd_pdu()
2353 	pdu->hdr.type = nvme_tcp_cmd;  in nvme_tcp_setup_cmd_pdu()
2354 	pdu->hdr.flags = 0;  in nvme_tcp_setup_cmd_pdu()
2356 		pdu->hdr.flags |= NVME_TCP_F_HDGST;  in nvme_tcp_setup_cmd_pdu()
2358 		pdu->hdr.flags |= NVME_TCP_F_DDGST;  in nvme_tcp_setup_cmd_pdu()
2361 	pdu->hdr.hlen = sizeof(*pdu);  in nvme_tcp_setup_cmd_pdu()
2362 	pdu->hdr.pdo = req->pdu_len ? pdu->hdr.hlen + hdgst : 0;  in nvme_tcp_setup_cmd_pdu()
2363 	pdu->hdr.plen =  in nvme_tcp_setup_cmd_pdu()
2364 		cpu_to_le32(pdu->hdr.hlen + hdgst + req->pdu_len + ddgst);  in nvme_tcp_setup_cmd_pdu()