New upstream version 18.08
[deb_dpdk.git] / drivers / net / failsafe / failsafe_ops.c
index 057e435..24e91c9 100644 (file)
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright 2017 6WIND S.A.
- * Copyright 2017 Mellanox.
+ * Copyright 2017 Mellanox Technologies, Ltd
  */
 
 #include <stdbool.h>
@@ -13,6 +13,7 @@
 #include <rte_malloc.h>
 #include <rte_flow.h>
 #include <rte_cycles.h>
+#include <rte_ethdev.h>
 
 #include "failsafe_private.h"
 
@@ -81,30 +82,22 @@ static struct rte_eth_dev_info default_infos = {
                DEV_TX_OFFLOAD_MULTI_SEGS |
                DEV_TX_OFFLOAD_IPV4_CKSUM |
                DEV_TX_OFFLOAD_UDP_CKSUM |
-               DEV_TX_OFFLOAD_TCP_CKSUM,
-       .flow_type_rss_offloads = 0x0,
+               DEV_TX_OFFLOAD_TCP_CKSUM |
+               DEV_TX_OFFLOAD_TCP_TSO,
+       .flow_type_rss_offloads =
+                       ETH_RSS_IP |
+                       ETH_RSS_UDP |
+                       ETH_RSS_TCP,
 };
 
 static int
 fs_dev_configure(struct rte_eth_dev *dev)
 {
        struct sub_device *sdev;
-       uint64_t supp_tx_offloads;
-       uint64_t tx_offloads;
        uint8_t i;
        int ret;
 
        fs_lock(dev, 0);
-       supp_tx_offloads = PRIV(dev)->infos.tx_offload_capa;
-       tx_offloads = dev->data->dev_conf.txmode.offloads;
-       if ((tx_offloads & supp_tx_offloads) != tx_offloads) {
-               rte_errno = ENOTSUP;
-               ERROR("Some Tx offloads are not supported, "
-                     "requested 0x%" PRIx64 " supported 0x%" PRIx64,
-                     tx_offloads, supp_tx_offloads);
-               fs_unlock(dev, 0);
-               return -rte_errno;
-       }
        FOREACH_SUBDEV(sdev, i, dev) {
                int rmv_interrupt = 0;
                int lsc_interrupt = 0;
@@ -145,7 +138,7 @@ fs_dev_configure(struct rte_eth_dev *dev)
                        fs_unlock(dev, 0);
                        return ret;
                }
-               if (rmv_interrupt) {
+               if (rmv_interrupt && sdev->rmv_callback == 0) {
                        ret = rte_eth_dev_callback_register(PORT_ID(sdev),
                                        RTE_ETH_EVENT_INTR_RMV,
                                        failsafe_eth_rmv_event_callback,
@@ -153,9 +146,11 @@ fs_dev_configure(struct rte_eth_dev *dev)
                        if (ret)
                                WARN("Failed to register RMV callback for sub_device %d",
                                     SUB_ID(sdev));
+                       else
+                               sdev->rmv_callback = 1;
                }
                dev->data->dev_conf.intr_conf.rmv = 0;
-               if (lsc_interrupt) {
+               if (lsc_interrupt && sdev->lsc_callback == 0) {
                        ret = rte_eth_dev_callback_register(PORT_ID(sdev),
                                                RTE_ETH_EVENT_INTR_LSC,
                                                failsafe_eth_lsc_event_callback,
@@ -163,6 +158,8 @@ fs_dev_configure(struct rte_eth_dev *dev)
                        if (ret)
                                WARN("Failed to register LSC callback for sub_device %d",
                                     SUB_ID(sdev));
+                       else
+                               sdev->lsc_callback = 1;
                }
                dev->data->dev_conf.intr_conf.lsc = lsc_enabled;
                sdev->state = DEV_ACTIVE;
@@ -289,6 +286,7 @@ fs_dev_close(struct rte_eth_dev *dev)
        PRIV(dev)->state = DEV_ACTIVE - 1;
        FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
                DEBUG("Closing sub_device %d", i);
+               failsafe_eth_dev_unregister_callbacks(sdev);
                rte_eth_dev_close(PORT_ID(sdev));
                sdev->state = DEV_ACTIVE - 1;
        }
@@ -296,25 +294,6 @@ fs_dev_close(struct rte_eth_dev *dev)
        fs_unlock(dev, 0);
 }
 
-static bool
-fs_rxq_offloads_valid(struct rte_eth_dev *dev, uint64_t offloads)
-{
-       uint64_t port_offloads;
-       uint64_t queue_supp_offloads;
-       uint64_t port_supp_offloads;
-
-       port_offloads = dev->data->dev_conf.rxmode.offloads;
-       queue_supp_offloads = PRIV(dev)->infos.rx_queue_offload_capa;
-       port_supp_offloads = PRIV(dev)->infos.rx_offload_capa;
-       if ((offloads & (queue_supp_offloads | port_supp_offloads)) !=
-            offloads)
-               return false;
-       /* Verify we have no conflict with port offloads */
-       if ((port_offloads ^ offloads) & port_supp_offloads)
-               return false;
-       return true;
-}
-
 static void
 fs_rx_queue_release(void *queue)
 {
@@ -367,19 +346,6 @@ fs_rx_queue_setup(struct rte_eth_dev *dev,
                fs_rx_queue_release(rxq);
                dev->data->rx_queues[rx_queue_id] = NULL;
        }
-       /* Verify application offloads are valid for our port and queue. */
-       if (fs_rxq_offloads_valid(dev, rx_conf->offloads) == false) {
-               rte_errno = ENOTSUP;
-               ERROR("Rx queue offloads 0x%" PRIx64
-                     " don't match port offloads 0x%" PRIx64
-                     " or supported offloads 0x%" PRIx64,
-                     rx_conf->offloads,
-                     dev->data->dev_conf.rxmode.offloads,
-                     PRIV(dev)->infos.rx_offload_capa |
-                     PRIV(dev)->infos.rx_queue_offload_capa);
-               fs_unlock(dev, 0);
-               return -rte_errno;
-       }
        rxq = rte_zmalloc(NULL,
                          sizeof(*rxq) +
                          sizeof(rte_atomic64_t) * PRIV(dev)->subs_tail,
@@ -498,25 +464,6 @@ unlock:
        return rc;
 }
 
-static bool
-fs_txq_offloads_valid(struct rte_eth_dev *dev, uint64_t offloads)
-{
-       uint64_t port_offloads;
-       uint64_t queue_supp_offloads;
-       uint64_t port_supp_offloads;
-
-       port_offloads = dev->data->dev_conf.txmode.offloads;
-       queue_supp_offloads = PRIV(dev)->infos.tx_queue_offload_capa;
-       port_supp_offloads = PRIV(dev)->infos.tx_offload_capa;
-       if ((offloads & (queue_supp_offloads | port_supp_offloads)) !=
-            offloads)
-               return false;
-       /* Verify we have no conflict with port offloads */
-       if ((port_offloads ^ offloads) & port_supp_offloads)
-               return false;
-       return true;
-}
-
 static void
 fs_tx_queue_release(void *queue)
 {
@@ -556,24 +503,6 @@ fs_tx_queue_setup(struct rte_eth_dev *dev,
                fs_tx_queue_release(txq);
                dev->data->tx_queues[tx_queue_id] = NULL;
        }
-       /*
-        * Don't verify queue offloads for applications which
-        * use the old API.
-        */
-       if (tx_conf != NULL &&
-           (tx_conf->txq_flags & ETH_TXQ_FLAGS_IGNORE) &&
-           fs_txq_offloads_valid(dev, tx_conf->offloads) == false) {
-               rte_errno = ENOTSUP;
-               ERROR("Tx queue offloads 0x%" PRIx64
-                     " don't match port offloads 0x%" PRIx64
-                     " or supported offloads 0x%" PRIx64,
-                     tx_conf->offloads,
-                     dev->data->dev_conf.txmode.offloads,
-                     PRIV(dev)->infos.tx_offload_capa |
-                     PRIV(dev)->infos.tx_queue_offload_capa);
-               fs_unlock(dev, 0);
-               return -rte_errno;
-       }
        txq = rte_zmalloc("ethdev TX queue",
                          sizeof(*txq) +
                          sizeof(rte_atomic64_t) * PRIV(dev)->subs_tail,
@@ -804,26 +733,29 @@ fs_dev_infos_get(struct rte_eth_dev *dev,
        } else {
                uint64_t rx_offload_capa;
                uint64_t rxq_offload_capa;
+               uint64_t rss_hf_offload_capa;
 
                rx_offload_capa = default_infos.rx_offload_capa;
                rxq_offload_capa = default_infos.rx_queue_offload_capa;
+               rss_hf_offload_capa = default_infos.flow_type_rss_offloads;
                FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_PROBED) {
                        rte_eth_dev_info_get(PORT_ID(sdev),
                                        &PRIV(dev)->infos);
                        rx_offload_capa &= PRIV(dev)->infos.rx_offload_capa;
                        rxq_offload_capa &=
                                        PRIV(dev)->infos.rx_queue_offload_capa;
+                       rss_hf_offload_capa &=
+                                       PRIV(dev)->infos.flow_type_rss_offloads;
                }
                sdev = TX_SUBDEV(dev);
                rte_eth_dev_info_get(PORT_ID(sdev), &PRIV(dev)->infos);
                PRIV(dev)->infos.rx_offload_capa = rx_offload_capa;
                PRIV(dev)->infos.rx_queue_offload_capa = rxq_offload_capa;
+               PRIV(dev)->infos.flow_type_rss_offloads = rss_hf_offload_capa;
                PRIV(dev)->infos.tx_offload_capa &=
                                        default_infos.tx_offload_capa;
                PRIV(dev)->infos.tx_queue_offload_capa &=
                                        default_infos.tx_queue_offload_capa;
-               PRIV(dev)->infos.flow_type_rss_offloads &=
-                                       default_infos.flow_type_rss_offloads;
        }
        rte_memcpy(infos, &PRIV(dev)->infos, sizeof(*infos));
 }
@@ -997,16 +929,52 @@ fs_mac_addr_add(struct rte_eth_dev *dev,
        return 0;
 }
 
-static void
+static int
 fs_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
 {
        struct sub_device *sdev;
        uint8_t i;
+       int ret;
 
        fs_lock(dev, 0);
-       FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
-               rte_eth_dev_default_mac_addr_set(PORT_ID(sdev), mac_addr);
+       FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+               ret = rte_eth_dev_default_mac_addr_set(PORT_ID(sdev), mac_addr);
+               ret = fs_err(sdev, ret);
+               if (ret) {
+                       ERROR("Operation rte_eth_dev_mac_addr_set failed for sub_device %d with error %d",
+                               i, ret);
+                       fs_unlock(dev, 0);
+                       return ret;
+               }
+       }
+       fs_unlock(dev, 0);
+
+       return 0;
+}
+
+static int
+fs_rss_hash_update(struct rte_eth_dev *dev,
+                       struct rte_eth_rss_conf *rss_conf)
+{
+       struct sub_device *sdev;
+       uint8_t i;
+       int ret;
+
+       fs_lock(dev, 0);
+       FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+               ret = rte_eth_dev_rss_hash_update(PORT_ID(sdev), rss_conf);
+               ret = fs_err(sdev, ret);
+               if (ret) {
+                       ERROR("Operation rte_eth_dev_rss_hash_update"
+                               " failed for sub_device %d with error %d",
+                               i, ret);
+                       fs_unlock(dev, 0);
+                       return ret;
+               }
+       }
        fs_unlock(dev, 0);
+
+       return 0;
 }
 
 static int
@@ -1068,5 +1036,6 @@ const struct eth_dev_ops failsafe_ops = {
        .mac_addr_remove = fs_mac_addr_remove,
        .mac_addr_add = fs_mac_addr_add,
        .mac_addr_set = fs_mac_addr_set,
+       .rss_hash_update = fs_rss_hash_update,
        .filter_ctrl = fs_filter_ctrl,
 };