net/smc/smc_tx.c

83 	int rc = 0;
94 			rc = -EPIPE;
98 			rc = -ECONNRESET;
104 			rc = -EAGAIN;
108 			rc = sock_intr_errno(timeo);
124 	return rc;
191 	int rc, chunk;
197 		rc = -EPIPE;
227 			rc = smc_tx_wait(smc, msg->msg_flags);
228 			if (rc)
249 			rc = memcpy_from_msg(sndbuf_base + chunk_off,
251 			if (rc) {
293 	rc = sk_stream_error(sk, msg->msg_flags, rc);
295 	if (unlikely(rc == -EAGAIN))
297 	return rc;
306 	int rc;
308 	rc = smc_ism_write(conn->lgr->smcd, conn->peer_token,
311 	if (rc)
313 	return rc;
322 	int rc;
333 	rc = ib_post_send(link->roce_qp, &rdma_wr->wr, NULL);
334 	if (rc)
336 	return rc;
370 	int rc;
404 		rc = smc_tx_rdma_write(conn, dst_off, num_sges, wr);
405 		if (rc)
406 			return rc;
427 	int rc;
433 			rc = smcd_tx_ism_write(conn, data, src_len, dst_off +
435 			if (rc)
436 				return rc;
470 	int rc;
525 		rc = smcd_tx_rdma_writes(conn, len, sent.count, src_len,
528 		rc = smcr_tx_rdma_writes(conn, len, sent.count, src_len,
530 	if (rc)
531 		return rc;
554 	int rc;
558 	rc = smc_cdc_get_free_slot(conn, link, &wr_buf, &wr_rdma_buf, &pend);
559 	if (rc < 0) {
561 		if (rc == -EBUSY) {
569 			rc = 0;
573 		return rc;
581 		rc = -ENOLINK;
585 		rc = smc_tx_rdma_writes(conn, wr_rdma_buf);
586 		if (rc) {
593 	rc = smc_cdc_msg_send(conn, wr_buf, pend);
594 	if (!rc && pflags->urg_data_present) {
602 	return rc;
608 	int rc = 0;
612 		rc = smc_tx_rdma_writes(conn, NULL);
613 	if (!rc)
614 		rc = smcd_cdc_msg_send(conn);
616 	if (!rc && pflags->urg_data_present) {
621 	return rc;
627 	int rc = 0;
641 		rc = -EPIPE;    /* connection being aborted */
645 		rc = smcd_tx_sndbuf_nonempty(conn);
647 		rc = smcr_tx_sndbuf_nonempty(conn);
649 	if (!rc) {
655 	return rc;
665 	int rc;
670 	rc = smc_tx_sndbuf_nonempty(conn);
671 	if (!rc && conn->local_rx_ctrl.prod_flags.write_blocked &&