Lines Matching refs:pdu
81 void *pdu; member
127 void *pdu; member
398 void *pdu, size_t len) in nvme_tcp_hdgst() argument
402 sg_init_one(&sg, pdu, len); in nvme_tcp_hdgst()
403 ahash_request_set_crypt(hash, &sg, pdu + len, len); in nvme_tcp_hdgst()
408 void *pdu, size_t pdu_len) in nvme_tcp_verify_hdgst() argument
410 struct nvme_tcp_hdr *hdr = pdu; in nvme_tcp_verify_hdgst()
421 recv_digest = *(__le32 *)(pdu + hdr->hlen); in nvme_tcp_verify_hdgst()
422 nvme_tcp_hdgst(queue->rcv_hash, pdu, pdu_len); in nvme_tcp_verify_hdgst()
423 exp_digest = *(__le32 *)(pdu + hdr->hlen); in nvme_tcp_verify_hdgst()
434 static int nvme_tcp_check_ddgst(struct nvme_tcp_queue *queue, void *pdu) in nvme_tcp_check_ddgst() argument
436 struct nvme_tcp_hdr *hdr = pdu; in nvme_tcp_check_ddgst()
459 page_frag_free(req->pdu); in nvme_tcp_exit_request()
468 struct nvme_tcp_cmd_pdu *pdu; in nvme_tcp_init_request() local
473 req->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_init_request()
476 if (!req->pdu) in nvme_tcp_init_request()
479 pdu = req->pdu; in nvme_tcp_init_request()
482 nvme_req(rq)->cmd = &pdu->cmd; in nvme_tcp_init_request()
560 struct nvme_tcp_data_pdu *pdu) in nvme_tcp_handle_c2h_data() argument
564 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_c2h_data()
568 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_c2h_data()
579 queue->data_remaining = le32_to_cpu(pdu->data_length); in nvme_tcp_handle_c2h_data()
581 if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS && in nvme_tcp_handle_c2h_data()
582 unlikely(!(pdu->hdr.flags & NVME_TCP_F_DATA_LAST))) { in nvme_tcp_handle_c2h_data()
594 struct nvme_tcp_rsp_pdu *pdu) in nvme_tcp_handle_comp() argument
596 struct nvme_completion *cqe = &pdu->cqe; in nvme_tcp_handle_comp()
617 struct nvme_tcp_data_pdu *data = req->pdu; in nvme_tcp_setup_h2c_data_pdu()
650 struct nvme_tcp_r2t_pdu *pdu) in nvme_tcp_handle_r2t() argument
654 u32 r2t_length = le32_to_cpu(pdu->r2t_length); in nvme_tcp_handle_r2t()
655 u32 r2t_offset = le32_to_cpu(pdu->r2t_offset); in nvme_tcp_handle_r2t()
657 rq = nvme_find_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_handle_r2t()
661 pdu->command_id, nvme_tcp_queue_id(queue)); in nvme_tcp_handle_r2t()
690 req->ttag = pdu->ttag; in nvme_tcp_handle_r2t()
702 char *pdu = queue->pdu; in nvme_tcp_recv_pdu() local
707 &pdu[queue->pdu_offset], rcv_len); in nvme_tcp_recv_pdu()
718 hdr = queue->pdu; in nvme_tcp_recv_pdu()
720 ret = nvme_tcp_verify_hdgst(queue, queue->pdu, hdr->hlen); in nvme_tcp_recv_pdu()
727 ret = nvme_tcp_check_ddgst(queue, queue->pdu); in nvme_tcp_recv_pdu()
734 return nvme_tcp_handle_c2h_data(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
737 return nvme_tcp_handle_comp(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
740 return nvme_tcp_handle_r2t(queue, (void *)queue->pdu); in nvme_tcp_recv_pdu()
759 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_data() local
761 nvme_cid_to_rq(nvme_tcp_tagset(queue), pdu->command_id); in nvme_tcp_recv_data()
815 if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS) { in nvme_tcp_recv_data()
830 struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu; in nvme_tcp_recv_ddgst() local
848 pdu->command_id); in nvme_tcp_recv_ddgst()
859 if (pdu->hdr.flags & NVME_TCP_F_DATA_SUCCESS) { in nvme_tcp_recv_ddgst()
861 pdu->command_id); in nvme_tcp_recv_ddgst()
1041 struct nvme_tcp_cmd_pdu *pdu = req->pdu; in nvme_tcp_try_send_cmd_pdu() local
1044 int len = sizeof(*pdu) + hdgst - req->offset; in nvme_tcp_try_send_cmd_pdu()
1054 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_cmd_pdu()
1056 ret = kernel_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_cmd_pdu()
1057 offset_in_page(pdu) + req->offset, len, flags); in nvme_tcp_try_send_cmd_pdu()
1080 struct nvme_tcp_data_pdu *pdu = req->pdu; in nvme_tcp_try_send_data_pdu() local
1082 int len = sizeof(*pdu) - req->offset + hdgst; in nvme_tcp_try_send_data_pdu()
1086 nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu)); in nvme_tcp_try_send_data_pdu()
1089 ret = kernel_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_data_pdu()
1090 offset_in_page(pdu) + req->offset, len, in nvme_tcp_try_send_data_pdu()
1093 ret = sock_no_sendpage(queue->sock, virt_to_page(pdu), in nvme_tcp_try_send_data_pdu()
1094 offset_in_page(pdu) + req->offset, len, in nvme_tcp_try_send_data_pdu()
1282 page_frag_free(async->pdu); in nvme_tcp_free_async_req()
1291 async->pdu = page_frag_alloc(&queue->pf_cache, in nvme_tcp_alloc_async_req()
1294 if (!async->pdu) in nvme_tcp_alloc_async_req()
1324 kfree(queue->pdu); in nvme_tcp_free_queue()
1590 queue->pdu = kmalloc(rcv_pdu_size, GFP_KERNEL); in nvme_tcp_alloc_queue()
1591 if (!queue->pdu) { in nvme_tcp_alloc_queue()
1633 kfree(queue->pdu); in nvme_tcp_alloc_queue()
1702 if (to_tcp_ctrl(ctrl)->async_req.pdu) { in nvme_tcp_free_admin_queue()
1705 to_tcp_ctrl(ctrl)->async_req.pdu = NULL; in nvme_tcp_free_admin_queue()
2250 struct nvme_tcp_cmd_pdu *pdu = ctrl->async_req.pdu; in nvme_tcp_submit_async_event() local
2251 struct nvme_command *cmd = &pdu->cmd; in nvme_tcp_submit_async_event()
2254 memset(pdu, 0, sizeof(*pdu)); in nvme_tcp_submit_async_event()
2255 pdu->hdr.type = nvme_tcp_cmd; in nvme_tcp_submit_async_event()
2257 pdu->hdr.flags |= NVME_TCP_F_HDGST; in nvme_tcp_submit_async_event()
2258 pdu->hdr.hlen = sizeof(*pdu); in nvme_tcp_submit_async_event()
2259 pdu->hdr.plen = cpu_to_le32(pdu->hdr.hlen + hdgst); in nvme_tcp_submit_async_event()
2287 struct nvme_tcp_cmd_pdu *pdu = req->pdu; in nvme_tcp_timeout() local
2288 u8 opc = pdu->cmd.common.opcode, fctype = pdu->cmd.fabrics.fctype; in nvme_tcp_timeout()
2293 nvme_tcp_queue_id(req->queue), nvme_cid(rq), pdu->hdr.type, in nvme_tcp_timeout()
2326 struct nvme_tcp_cmd_pdu *pdu = req->pdu; in nvme_tcp_map_data() local
2327 struct nvme_command *c = &pdu->cmd; in nvme_tcp_map_data()
2346 struct nvme_tcp_cmd_pdu *pdu = req->pdu; in nvme_tcp_setup_cmd_pdu() local
2372 pdu->hdr.type = nvme_tcp_cmd; in nvme_tcp_setup_cmd_pdu()
2373 pdu->hdr.flags = 0; in nvme_tcp_setup_cmd_pdu()
2375 pdu->hdr.flags |= NVME_TCP_F_HDGST; in nvme_tcp_setup_cmd_pdu()
2377 pdu->hdr.flags |= NVME_TCP_F_DDGST; in nvme_tcp_setup_cmd_pdu()
2380 pdu->hdr.hlen = sizeof(*pdu); in nvme_tcp_setup_cmd_pdu()
2381 pdu->hdr.pdo = req->pdu_len ? pdu->hdr.hlen + hdgst : 0; in nvme_tcp_setup_cmd_pdu()
2382 pdu->hdr.plen = in nvme_tcp_setup_cmd_pdu()
2383 cpu_to_le32(pdu->hdr.hlen + hdgst + req->pdu_len + ddgst); in nvme_tcp_setup_cmd_pdu()