X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_intr.c;h=76cb6302e03ca126ee276284b714e2eef04d48bb;hb=a99564c680dd33d1dc4931985fd769c86e5791e5;hp=de65f8c08a125cb5a461359b81d30a4af9890883;hpb=f042136ee2ed1cff425dd28c69c7c5f80acc4526;p=dpdk.git

diff --git a/drivers/net/sfc/sfc_intr.c b/drivers/net/sfc/sfc_intr.c
index de65f8c08a..76cb6302e0 100644
--- a/drivers/net/sfc/sfc_intr.c
+++ b/drivers/net/sfc/sfc_intr.c
@@ -1,32 +1,10 @@
-/*-
- *   BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2016-2017 Solarflare Communications Inc.
+ * Copyright (c) 2016-2018 Solarflare Communications Inc.
  * All rights reserved.
  *
  * This software was jointly developed between OKTET Labs (under contract
  * for Solarflare) and Solarflare Communications, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /*
@@ -101,19 +79,19 @@ sfc_intr_line_handler(void *cb_arg)
 	if (qmask & (1 << sa->mgmt_evq_index))
 		sfc_intr_handle_mgmt_evq(sa);
 
-	if (rte_intr_enable(&pci_dev->intr_handle) != 0)
+	if (rte_intr_ack(&pci_dev->intr_handle) != 0)
 		sfc_err(sa, "cannot reenable interrupts");
 
 	sfc_log_init(sa, "done");
 
 exit:
 	if (lsc_seq != sa->port.lsc_seq) {
-		sfc_info(sa, "link status change event: link %s",
+		sfc_notice(sa, "link status change event: link %s",
 			 sa->eth_dev->data->dev_link.link_status ?
 			 "UP" : "DOWN");
 		_rte_eth_dev_callback_process(sa->eth_dev,
 					      RTE_ETH_EVENT_INTR_LSC,
-					      NULL, NULL);
+					      NULL);
 	}
 }
 
@@ -145,17 +123,17 @@ sfc_intr_message_handler(void *cb_arg)
 
 	sfc_intr_handle_mgmt_evq(sa);
 
-	if (rte_intr_enable(&pci_dev->intr_handle) != 0)
+	if (rte_intr_ack(&pci_dev->intr_handle) != 0)
 		sfc_err(sa, "cannot reenable interrupts");
 
 	sfc_log_init(sa, "done");
 
 exit:
 	if (lsc_seq != sa->port.lsc_seq) {
-		sfc_info(sa, "link status change event");
+		sfc_notice(sa, "link status change event");
 		_rte_eth_dev_callback_process(sa->eth_dev,
 					      RTE_ETH_EVENT_INTR_LSC,
-					      NULL, NULL);
+					      NULL);
 	}
 }
 
@@ -184,6 +162,27 @@ sfc_intr_start(struct sfc_adapter *sa)
 	intr_handle = &pci_dev->intr_handle;
 
 	if (intr->handler != NULL) {
+		if (intr->rxq_intr && rte_intr_cap_multiple(intr_handle)) {
+			uint32_t intr_vector;
+
+			intr_vector = sa->eth_dev->data->nb_rx_queues;
+			rc = rte_intr_efd_enable(intr_handle, intr_vector);
+			if (rc != 0)
+				goto fail_rte_intr_efd_enable;
+		}
+		if (rte_intr_dp_is_en(intr_handle)) {
+			intr_handle->intr_vec =
+				rte_calloc("intr_vec",
+				sa->eth_dev->data->nb_rx_queues, sizeof(int),
+				0);
+			if (intr_handle->intr_vec == NULL) {
+				sfc_err(sa,
+					"Failed to allocate %d rx_queues intr_vec",
+					sa->eth_dev->data->nb_rx_queues);
+				goto fail_intr_vector_alloc;
+			}
+		}
+
 		sfc_log_init(sa, "rte_intr_callback_register");
 		rc = rte_intr_callback_register(intr_handle, intr->handler,
 						(void *)sa);
@@ -224,6 +223,12 @@ fail_rte_intr_enable:
 	rte_intr_callback_unregister(intr_handle, intr->handler, (void *)sa);
 
 fail_rte_intr_cb_reg:
+	rte_free(intr_handle->intr_vec);
+
+fail_intr_vector_alloc:
+	rte_intr_efd_disable(intr_handle);
+
+fail_rte_intr_efd_enable:
 	efx_intr_fini(sa->nic);
 
 fail_intr_init:
@@ -246,6 +251,10 @@ sfc_intr_stop(struct sfc_adapter *sa)
 		efx_intr_disable(sa->nic);
 
 		intr_handle = &pci_dev->intr_handle;
+
+		rte_free(intr_handle->intr_vec);
+		rte_intr_efd_disable(intr_handle);
+
 		if (rte_intr_disable(intr_handle) != 0)
 			sfc_err(sa, "cannot disable interrupts");
 
@@ -272,10 +281,10 @@ sfc_intr_configure(struct sfc_adapter *sa)
 
 	intr->handler = NULL;
 	intr->lsc_intr = (sa->eth_dev->data->dev_conf.intr_conf.lsc != 0);
-	if (!intr->lsc_intr) {
-		sfc_info(sa, "LSC tracking using interrupts is disabled");
+	intr->rxq_intr = (sa->eth_dev->data->dev_conf.intr_conf.rxq != 0);
+
+	if (!intr->lsc_intr && !intr->rxq_intr)
 		goto done;
-	}
 
 	switch (intr->type) {
 	case EFX_INTR_MESSAGE:
@@ -314,7 +323,7 @@ sfc_intr_attach(struct sfc_adapter *sa)
 	sfc_log_init(sa, "entry");
 
 	switch (pci_dev->intr_handle.type) {
-#ifdef RTE_EXEC_ENV_LINUXAPP
+#ifdef RTE_EXEC_ENV_LINUX
 	case RTE_INTR_HANDLE_UIO_INTX:
 	case RTE_INTR_HANDLE_VFIO_LEGACY:
 		intr->type = EFX_INTR_LINE;