102 iser_create_send_desc(struct iser_conn *iser_conn,  in iser_create_send_desc()  argument
105 	struct iser_device *device = iser_conn->ib_conn.device;  in iser_create_send_desc()
122 iser_free_login_buf(struct iser_conn *iser_conn)  in iser_free_login_buf()  argument
124 	struct iser_device *device = iser_conn->ib_conn.device;  in iser_free_login_buf()
126 	if (!iser_conn->login_buf)  in iser_free_login_buf()
129 	if (iser_conn->login_req_dma)  in iser_free_login_buf()
131 				    iser_conn->login_req_dma,  in iser_free_login_buf()
134 	if (iser_conn->login_resp_dma)  in iser_free_login_buf()
136 				    iser_conn->login_resp_dma,  in iser_free_login_buf()
139 	free(iser_conn->login_buf, M_ISER_INITIATOR);  in iser_free_login_buf()
142 	iser_conn->login_req_dma = 0;  in iser_free_login_buf()
143 	iser_conn->login_resp_dma = 0;  in iser_free_login_buf()
144 	iser_conn->login_buf = NULL;  in iser_free_login_buf()
148 iser_alloc_login_buf(struct iser_conn *iser_conn)  in iser_alloc_login_buf()  argument
150 	struct iser_device *device = iser_conn->ib_conn.device;  in iser_alloc_login_buf()
155 	iser_conn->login_buf = malloc(ISCSI_DEF_MAX_RECV_SEG_LEN + ISER_RX_LOGIN_SIZE,  in iser_alloc_login_buf()
158 	if (!iser_conn->login_buf)  in iser_alloc_login_buf()
161 	iser_conn->login_req_buf  = iser_conn->login_buf;  in iser_alloc_login_buf()
162 	iser_conn->login_resp_buf = iser_conn->login_buf +  in iser_alloc_login_buf()
165 	iser_conn->login_req_dma = ib_dma_map_single(device->ib_device,  in iser_alloc_login_buf()
166 						     iser_conn->login_req_buf,  in iser_alloc_login_buf()
170 	iser_conn->login_resp_dma = ib_dma_map_single(device->ib_device,  in iser_alloc_login_buf()
171 						      iser_conn->login_resp_buf,  in iser_alloc_login_buf()
176 					iser_conn->login_req_dma);  in iser_alloc_login_buf()
178 					iser_conn->login_resp_dma);  in iser_alloc_login_buf()
182 			iser_conn->login_req_dma = 0;  in iser_alloc_login_buf()
184 			iser_conn->login_resp_dma = 0;  in iser_alloc_login_buf()
191 	iser_free_login_buf(iser_conn);  in iser_alloc_login_buf()
198 int iser_alloc_rx_descriptors(struct iser_conn *iser_conn, int cmds_max)  in iser_alloc_rx_descriptors()  argument
204 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_alloc_rx_descriptors()
207 	iser_conn->qp_max_recv_dtos = cmds_max;  in iser_alloc_rx_descriptors()
208 	iser_conn->min_posted_rx = iser_conn->qp_max_recv_dtos >> 2;  in iser_alloc_rx_descriptors()
214 	iser_conn->num_rx_descs = cmds_max;  in iser_alloc_rx_descriptors()
215 	iser_conn->rx_descs = malloc(iser_conn->num_rx_descs *  in iser_alloc_rx_descriptors()
218 	if (!iser_conn->rx_descs)  in iser_alloc_rx_descriptors()
221 	rx_desc = iser_conn->rx_descs;  in iser_alloc_rx_descriptors()
223 	for (i = 0; i < iser_conn->qp_max_recv_dtos; i++, rx_desc++)  {  in iser_alloc_rx_descriptors()
237 	iser_conn->rx_desc_head = 0;  in iser_alloc_rx_descriptors()
242 	rx_desc = iser_conn->rx_descs;  in iser_alloc_rx_descriptors()
246 	free(iser_conn->rx_descs, M_ISER_INITIATOR);  in iser_alloc_rx_descriptors()
247 	iser_conn->rx_descs = NULL;  in iser_alloc_rx_descriptors()
257 iser_free_rx_descriptors(struct iser_conn *iser_conn)  in iser_free_rx_descriptors()  argument
261 	struct ib_conn *ib_conn = &iser_conn->ib_conn;  in iser_free_rx_descriptors()
266 	rx_desc = iser_conn->rx_descs;  in iser_free_rx_descriptors()
267 	for (i = 0; i < iser_conn->qp_max_recv_dtos; i++, rx_desc++)  in iser_free_rx_descriptors()
271 	free(iser_conn->rx_descs, M_ISER_INITIATOR);  in iser_free_rx_descriptors()
274 	iser_conn->rx_descs = NULL;  in iser_free_rx_descriptors()
358 iser_send_command(struct iser_conn *iser_conn,  in iser_send_command()  argument
366 	u8 sig_count = ++iser_conn->ib_conn.sig_count;  in iser_send_command()
370 	iser_create_send_desc(iser_conn, tx_desc);  in iser_send_command()
397 	err = iser_post_send(&iser_conn->ib_conn, tx_desc,  in iser_send_command()
403 	ISER_ERR("iser_conn %p itt %u len %u err %d", iser_conn,  in iser_send_command()
411 iser_send_control(struct iser_conn *iser_conn,  in iser_send_control()  argument
423 	iser_create_send_desc(iser_conn, mdesc);  in iser_send_control()
425 	device = iser_conn->ib_conn.device;  in iser_send_control()
430 				iser_conn->login_req_dma, datalen,  in iser_send_control()
434 			iser_conn->login_req_dma, datalen,  in iser_send_control()
437 		tx_dsg->addr    = iser_conn->login_req_dma;  in iser_send_control()
444 	if (!iser_conn->handoff_done) {  in iser_send_control()
445 		err = iser_post_recvl(iser_conn);  in iser_send_control()
450 	err = iser_post_send(&iser_conn->ib_conn, mdesc, true);  in iser_send_control()
455 	ISER_ERR("conn %p failed err %d", iser_conn, err);  in iser_send_control()
469 	struct iser_conn *iser_conn = container_of(ib_conn, struct iser_conn,  in iser_rcv_completion()  local
471 	struct icl_conn *ic = &iser_conn->icl_conn;  in iser_rcv_completion()
479 	if ((char *)rx_desc == iser_conn->login_resp_buf) {  in iser_rcv_completion()
480 		rx_dma = iser_conn->login_resp_dma;  in iser_rcv_completion()
512 	if (rx_dma == iser_conn->login_resp_dma)  in iser_rcv_completion()
516 	if (outstanding + iser_conn->min_posted_rx <= iser_conn->qp_max_recv_dtos) {  in iser_rcv_completion()
517 		count = min(iser_conn->qp_max_recv_dtos - outstanding,  in iser_rcv_completion()
518 			    iser_conn->min_posted_rx);  in iser_rcv_completion()
519 		err = iser_post_recvm(iser_conn, count);  in iser_rcv_completion()
533 	struct iser_conn *iser_conn = iser_pdu->iser_conn;  in iser_snd_completion()  local
536 		iser_pdu_free(&iser_conn->icl_conn, &iser_pdu->icl_pdu);  in iser_snd_completion()