Lines Matching refs:packet
172 struct ib_umad_packet *packet) in queue_packet() argument
178 for (packet->mad.hdr.id = 0; in queue_packet()
179 packet->mad.hdr.id < IB_UMAD_MAX_AGENTS; in queue_packet()
180 packet->mad.hdr.id++) in queue_packet()
181 if (agent == __get_agent(file, packet->mad.hdr.id)) { in queue_packet()
182 list_add_tail(&packet->list, &file->recv_list); in queue_packet()
194 struct ib_umad_packet *packet) in dequeue_send() argument
197 list_del(&packet->list); in dequeue_send()
205 struct ib_umad_packet *packet = send_wc->send_buf->context[0]; in send_handler() local
207 dequeue_send(file, packet); in send_handler()
208 rdma_destroy_ah(packet->msg->ah); in send_handler()
209 ib_free_send_mad(packet->msg); in send_handler()
212 packet->length = IB_MGMT_MAD_HDR; in send_handler()
213 packet->mad.hdr.status = ETIMEDOUT; in send_handler()
214 if (!queue_packet(file, agent, packet)) in send_handler()
217 kfree(packet); in send_handler()
225 struct ib_umad_packet *packet; in recv_handler() local
230 packet = kzalloc(sizeof *packet, GFP_KERNEL); in recv_handler()
231 if (!packet) in recv_handler()
234 packet->length = mad_recv_wc->mad_len; in recv_handler()
235 packet->recv_wc = mad_recv_wc; in recv_handler()
237 packet->mad.hdr.status = 0; in recv_handler()
238 packet->mad.hdr.length = hdr_size(file) + mad_recv_wc->mad_len; in recv_handler()
239 packet->mad.hdr.qpn = cpu_to_be32(mad_recv_wc->wc->src_qp); in recv_handler()
245 packet->mad.hdr.lid = ib_lid_be16(0xFFFF & in recv_handler()
248 packet->mad.hdr.lid = ib_lid_be16(mad_recv_wc->wc->slid); in recv_handler()
249 packet->mad.hdr.sl = mad_recv_wc->wc->sl; in recv_handler()
250 packet->mad.hdr.path_bits = mad_recv_wc->wc->dlid_path_bits; in recv_handler()
251 packet->mad.hdr.pkey_index = mad_recv_wc->wc->pkey_index; in recv_handler()
252 packet->mad.hdr.grh_present = !!(mad_recv_wc->wc->wc_flags & IB_WC_GRH); in recv_handler()
253 if (packet->mad.hdr.grh_present) { in recv_handler()
266 packet->mad.hdr.gid_index = grh->sgid_index; in recv_handler()
267 packet->mad.hdr.hop_limit = grh->hop_limit; in recv_handler()
268 packet->mad.hdr.traffic_class = grh->traffic_class; in recv_handler()
269 memcpy(packet->mad.hdr.gid, &grh->dgid, 16); in recv_handler()
270 packet->mad.hdr.flow_label = cpu_to_be32(grh->flow_label); in recv_handler()
274 if (queue_packet(file, agent, packet)) in recv_handler()
279 kfree(packet); in recv_handler()
285 struct ib_umad_packet *packet, size_t count) in copy_recv_mad() argument
291 recv_buf = &packet->recv_wc->recv_buf; in copy_recv_mad()
292 seg_size = packet->recv_wc->mad_seg_size; in copy_recv_mad()
295 if ((packet->length <= seg_size && in copy_recv_mad()
296 count < hdr_size(file) + packet->length) || in copy_recv_mad()
297 (packet->length > seg_size && in copy_recv_mad()
301 if (copy_to_user(buf, &packet->mad, hdr_size(file))) in copy_recv_mad()
305 seg_payload = min_t(int, packet->length, seg_size); in copy_recv_mad()
309 if (seg_payload < packet->length) { in copy_recv_mad()
314 if (count < hdr_size(file) + packet->length) { in copy_recv_mad()
324 for (left = packet->length - seg_payload, buf += seg_payload; in copy_recv_mad()
334 return hdr_size(file) + packet->length; in copy_recv_mad()
338 struct ib_umad_packet *packet, size_t count) in copy_send_mad() argument
340 ssize_t size = hdr_size(file) + packet->length; in copy_send_mad()
345 if (copy_to_user(buf, &packet->mad, hdr_size(file))) in copy_send_mad()
350 if (copy_to_user(buf, packet->mad.data, packet->length)) in copy_send_mad()
360 struct ib_umad_packet *packet; in ib_umad_read() local
381 packet = list_entry(file->recv_list.next, struct ib_umad_packet, list); in ib_umad_read()
382 list_del(&packet->list); in ib_umad_read()
386 if (packet->recv_wc) in ib_umad_read()
387 ret = copy_recv_mad(file, buf, packet, count); in ib_umad_read()
389 ret = copy_send_mad(file, buf, packet, count); in ib_umad_read()
394 list_add(&packet->list, &file->recv_list); in ib_umad_read()
397 if (packet->recv_wc) in ib_umad_read()
398 ib_free_recv_mad(packet->recv_wc); in ib_umad_read()
399 kfree(packet); in ib_umad_read()
437 struct ib_umad_packet *packet) in is_duplicate() argument
442 hdr = (struct ib_mad_hdr *) packet->mad.data; in is_duplicate()
462 if (same_destination(&packet->mad.hdr, &sent_packet->mad.hdr)) in is_duplicate()
473 struct ib_umad_packet *packet; in ib_umad_write() local
485 packet = kzalloc(sizeof *packet + IB_MGMT_RMPP_HDR, GFP_KERNEL); in ib_umad_write()
486 if (!packet) in ib_umad_write()
489 if (copy_from_user(&packet->mad, buf, hdr_size(file))) { in ib_umad_write()
494 if (packet->mad.hdr.id >= IB_UMAD_MAX_AGENTS) { in ib_umad_write()
501 if (copy_from_user(packet->mad.data, buf, IB_MGMT_RMPP_HDR)) { in ib_umad_write()
508 agent = __get_agent(file, packet->mad.hdr.id); in ib_umad_write()
517 rdma_ah_set_dlid(&ah_attr, be16_to_cpu(packet->mad.hdr.lid)); in ib_umad_write()
518 rdma_ah_set_sl(&ah_attr, packet->mad.hdr.sl); in ib_umad_write()
519 rdma_ah_set_path_bits(&ah_attr, packet->mad.hdr.path_bits); in ib_umad_write()
521 if (packet->mad.hdr.grh_present) { in ib_umad_write()
523 be32_to_cpu(packet->mad.hdr.flow_label), in ib_umad_write()
524 packet->mad.hdr.gid_index, in ib_umad_write()
525 packet->mad.hdr.hop_limit, in ib_umad_write()
526 packet->mad.hdr.traffic_class); in ib_umad_write()
527 rdma_ah_set_dgid_raw(&ah_attr, packet->mad.hdr.gid); in ib_umad_write()
536 rmpp_mad = (struct ib_rmpp_mad *) packet->mad.data; in ib_umad_write()
549 base_version = ((struct ib_mad_hdr *)&packet->mad.data)->base_version; in ib_umad_write()
551 packet->msg = ib_create_send_mad(agent, in ib_umad_write()
552 be32_to_cpu(packet->mad.hdr.qpn), in ib_umad_write()
553 packet->mad.hdr.pkey_index, rmpp_active, in ib_umad_write()
556 if (IS_ERR(packet->msg)) { in ib_umad_write()
557 ret = PTR_ERR(packet->msg); in ib_umad_write()
561 packet->msg->ah = ah; in ib_umad_write()
562 packet->msg->timeout_ms = packet->mad.hdr.timeout_ms; in ib_umad_write()
563 packet->msg->retries = packet->mad.hdr.retries; in ib_umad_write()
564 packet->msg->context[0] = packet; in ib_umad_write()
567 memcpy(packet->msg->mad, packet->mad.data, IB_MGMT_MAD_HDR); in ib_umad_write()
570 if (copy_from_user(packet->msg->mad + copy_offset, in ib_umad_write()
577 ret = copy_rmpp_mad(packet->msg, buf); in ib_umad_write()
587 if (!ib_response_mad(packet->msg->mad)) { in ib_umad_write()
588 tid = &((struct ib_mad_hdr *) packet->msg->mad)->tid; in ib_umad_write()
598 list_add_tail(&packet->list, &file->send_list); in ib_umad_write()
602 ret = is_duplicate(file, packet); in ib_umad_write()
604 list_add_tail(&packet->list, &file->send_list); in ib_umad_write()
612 ret = ib_post_send_mad(packet->msg, NULL); in ib_umad_write()
620 dequeue_send(file, packet); in ib_umad_write()
622 ib_free_send_mad(packet->msg); in ib_umad_write()
628 kfree(packet); in ib_umad_write()
1000 struct ib_umad_packet *packet, *tmp; in ib_umad_close() local
1010 list_for_each_entry_safe(packet, tmp, &file->recv_list, list) { in ib_umad_close()
1011 if (packet->recv_wc) in ib_umad_close()
1012 ib_free_recv_mad(packet->recv_wc); in ib_umad_close()
1013 kfree(packet); in ib_umad_close()