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Diffstat (limited to 'src/spdk/dpdk/drivers/net/failsafe/failsafe_ops.c')
-rw-r--r--src/spdk/dpdk/drivers/net/failsafe/failsafe_ops.c1041
1 files changed, 1041 insertions, 0 deletions
diff --git a/src/spdk/dpdk/drivers/net/failsafe/failsafe_ops.c b/src/spdk/dpdk/drivers/net/failsafe/failsafe_ops.c
new file mode 100644
index 00000000..24e91c93
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/failsafe/failsafe_ops.c
@@ -0,0 +1,1041 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017 6WIND S.A.
+ * Copyright 2017 Mellanox Technologies, Ltd
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <unistd.h>
+
+#include <rte_debug.h>
+#include <rte_atomic.h>
+#include <rte_ethdev_driver.h>
+#include <rte_malloc.h>
+#include <rte_flow.h>
+#include <rte_cycles.h>
+#include <rte_ethdev.h>
+
+#include "failsafe_private.h"
+
+static struct rte_eth_dev_info default_infos = {
+ /* Max possible number of elements */
+ .max_rx_pktlen = UINT32_MAX,
+ .max_rx_queues = RTE_MAX_QUEUES_PER_PORT,
+ .max_tx_queues = RTE_MAX_QUEUES_PER_PORT,
+ .max_mac_addrs = FAILSAFE_MAX_ETHADDR,
+ .max_hash_mac_addrs = UINT32_MAX,
+ .max_vfs = UINT16_MAX,
+ .max_vmdq_pools = UINT16_MAX,
+ .rx_desc_lim = {
+ .nb_max = UINT16_MAX,
+ .nb_min = 0,
+ .nb_align = 1,
+ .nb_seg_max = UINT16_MAX,
+ .nb_mtu_seg_max = UINT16_MAX,
+ },
+ .tx_desc_lim = {
+ .nb_max = UINT16_MAX,
+ .nb_min = 0,
+ .nb_align = 1,
+ .nb_seg_max = UINT16_MAX,
+ .nb_mtu_seg_max = UINT16_MAX,
+ },
+ /*
+ * Set of capabilities that can be verified upon
+ * configuring a sub-device.
+ */
+ .rx_offload_capa =
+ DEV_RX_OFFLOAD_VLAN_STRIP |
+ DEV_RX_OFFLOAD_IPV4_CKSUM |
+ DEV_RX_OFFLOAD_UDP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_LRO |
+ DEV_RX_OFFLOAD_QINQ_STRIP |
+ DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
+ DEV_RX_OFFLOAD_MACSEC_STRIP |
+ DEV_RX_OFFLOAD_HEADER_SPLIT |
+ DEV_RX_OFFLOAD_VLAN_FILTER |
+ DEV_RX_OFFLOAD_VLAN_EXTEND |
+ DEV_RX_OFFLOAD_JUMBO_FRAME |
+ DEV_RX_OFFLOAD_CRC_STRIP |
+ DEV_RX_OFFLOAD_SCATTER |
+ DEV_RX_OFFLOAD_TIMESTAMP |
+ DEV_RX_OFFLOAD_SECURITY,
+ .rx_queue_offload_capa =
+ DEV_RX_OFFLOAD_VLAN_STRIP |
+ DEV_RX_OFFLOAD_IPV4_CKSUM |
+ DEV_RX_OFFLOAD_UDP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_LRO |
+ DEV_RX_OFFLOAD_QINQ_STRIP |
+ DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
+ DEV_RX_OFFLOAD_MACSEC_STRIP |
+ DEV_RX_OFFLOAD_HEADER_SPLIT |
+ DEV_RX_OFFLOAD_VLAN_FILTER |
+ DEV_RX_OFFLOAD_VLAN_EXTEND |
+ DEV_RX_OFFLOAD_JUMBO_FRAME |
+ DEV_RX_OFFLOAD_CRC_STRIP |
+ DEV_RX_OFFLOAD_SCATTER |
+ DEV_RX_OFFLOAD_TIMESTAMP |
+ DEV_RX_OFFLOAD_SECURITY,
+ .tx_offload_capa =
+ DEV_TX_OFFLOAD_MULTI_SEGS |
+ DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ 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;
+ uint8_t i;
+ int ret;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV(sdev, i, dev) {
+ int rmv_interrupt = 0;
+ int lsc_interrupt = 0;
+ int lsc_enabled;
+
+ if (sdev->state != DEV_PROBED &&
+ !(PRIV(dev)->alarm_lock == 0 && sdev->state == DEV_ACTIVE))
+ continue;
+
+ rmv_interrupt = ETH(sdev)->data->dev_flags &
+ RTE_ETH_DEV_INTR_RMV;
+ if (rmv_interrupt) {
+ DEBUG("Enabling RMV interrupts for sub_device %d", i);
+ dev->data->dev_conf.intr_conf.rmv = 1;
+ } else {
+ DEBUG("sub_device %d does not support RMV event", i);
+ }
+ lsc_enabled = dev->data->dev_conf.intr_conf.lsc;
+ lsc_interrupt = lsc_enabled &&
+ (ETH(sdev)->data->dev_flags &
+ RTE_ETH_DEV_INTR_LSC);
+ if (lsc_interrupt) {
+ DEBUG("Enabling LSC interrupts for sub_device %d", i);
+ dev->data->dev_conf.intr_conf.lsc = 1;
+ } else if (lsc_enabled && !lsc_interrupt) {
+ DEBUG("Disabling LSC interrupts for sub_device %d", i);
+ dev->data->dev_conf.intr_conf.lsc = 0;
+ }
+ DEBUG("Configuring sub-device %d", i);
+ ret = rte_eth_dev_configure(PORT_ID(sdev),
+ dev->data->nb_rx_queues,
+ dev->data->nb_tx_queues,
+ &dev->data->dev_conf);
+ if (ret) {
+ if (!fs_err(sdev, ret))
+ continue;
+ ERROR("Could not configure sub_device %d", i);
+ fs_unlock(dev, 0);
+ return ret;
+ }
+ 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,
+ sdev);
+ 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 && sdev->lsc_callback == 0) {
+ ret = rte_eth_dev_callback_register(PORT_ID(sdev),
+ RTE_ETH_EVENT_INTR_LSC,
+ failsafe_eth_lsc_event_callback,
+ 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;
+ }
+ if (PRIV(dev)->state < DEV_ACTIVE)
+ PRIV(dev)->state = DEV_ACTIVE;
+ fs_unlock(dev, 0);
+ return 0;
+}
+
+static int
+fs_dev_start(struct rte_eth_dev *dev)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+ int ret;
+
+ fs_lock(dev, 0);
+ ret = failsafe_rx_intr_install(dev);
+ if (ret) {
+ fs_unlock(dev, 0);
+ return ret;
+ }
+ FOREACH_SUBDEV(sdev, i, dev) {
+ if (sdev->state != DEV_ACTIVE)
+ continue;
+ DEBUG("Starting sub_device %d", i);
+ ret = rte_eth_dev_start(PORT_ID(sdev));
+ if (ret) {
+ if (!fs_err(sdev, ret))
+ continue;
+ fs_unlock(dev, 0);
+ return ret;
+ }
+ ret = failsafe_rx_intr_install_subdevice(sdev);
+ if (ret) {
+ if (!fs_err(sdev, ret))
+ continue;
+ rte_eth_dev_stop(PORT_ID(sdev));
+ fs_unlock(dev, 0);
+ return ret;
+ }
+ sdev->state = DEV_STARTED;
+ }
+ if (PRIV(dev)->state < DEV_STARTED)
+ PRIV(dev)->state = DEV_STARTED;
+ fs_switch_dev(dev, NULL);
+ fs_unlock(dev, 0);
+ return 0;
+}
+
+static void
+fs_dev_stop(struct rte_eth_dev *dev)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+
+ fs_lock(dev, 0);
+ PRIV(dev)->state = DEV_STARTED - 1;
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_STARTED) {
+ rte_eth_dev_stop(PORT_ID(sdev));
+ failsafe_rx_intr_uninstall_subdevice(sdev);
+ sdev->state = DEV_STARTED - 1;
+ }
+ failsafe_rx_intr_uninstall(dev);
+ fs_unlock(dev, 0);
+}
+
+static int
+fs_dev_set_link_up(struct rte_eth_dev *dev)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+ int ret;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ DEBUG("Calling rte_eth_dev_set_link_up on sub_device %d", i);
+ ret = rte_eth_dev_set_link_up(PORT_ID(sdev));
+ if ((ret = fs_err(sdev, ret))) {
+ ERROR("Operation rte_eth_dev_set_link_up 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_dev_set_link_down(struct rte_eth_dev *dev)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+ int ret;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ DEBUG("Calling rte_eth_dev_set_link_down on sub_device %d", i);
+ ret = rte_eth_dev_set_link_down(PORT_ID(sdev));
+ if ((ret = fs_err(sdev, ret))) {
+ ERROR("Operation rte_eth_dev_set_link_down failed for sub_device %d"
+ " with error %d", i, ret);
+ fs_unlock(dev, 0);
+ return ret;
+ }
+ }
+ fs_unlock(dev, 0);
+ return 0;
+}
+
+static void fs_dev_free_queues(struct rte_eth_dev *dev);
+static void
+fs_dev_close(struct rte_eth_dev *dev)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+
+ fs_lock(dev, 0);
+ failsafe_hotplug_alarm_cancel(dev);
+ if (PRIV(dev)->state == DEV_STARTED)
+ dev->dev_ops->dev_stop(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;
+ }
+ fs_dev_free_queues(dev);
+ fs_unlock(dev, 0);
+}
+
+static void
+fs_rx_queue_release(void *queue)
+{
+ struct rte_eth_dev *dev;
+ struct sub_device *sdev;
+ uint8_t i;
+ struct rxq *rxq;
+
+ if (queue == NULL)
+ return;
+ rxq = queue;
+ dev = rxq->priv->dev;
+ fs_lock(dev, 0);
+ if (rxq->event_fd > 0)
+ close(rxq->event_fd);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
+ SUBOPS(sdev, rx_queue_release)
+ (ETH(sdev)->data->rx_queues[rxq->qid]);
+ dev->data->rx_queues[rxq->qid] = NULL;
+ rte_free(rxq);
+ fs_unlock(dev, 0);
+}
+
+static int
+fs_rx_queue_setup(struct rte_eth_dev *dev,
+ uint16_t rx_queue_id,
+ uint16_t nb_rx_desc,
+ unsigned int socket_id,
+ const struct rte_eth_rxconf *rx_conf,
+ struct rte_mempool *mb_pool)
+{
+ /*
+ * FIXME: Add a proper interface in rte_eal_interrupts for
+ * allocating eventfd as an interrupt vector.
+ * For the time being, fake as if we are using MSIX interrupts,
+ * this will cause rte_intr_efd_enable to allocate an eventfd for us.
+ */
+ struct rte_intr_handle intr_handle = {
+ .type = RTE_INTR_HANDLE_VFIO_MSIX,
+ .efds = { -1, },
+ };
+ struct sub_device *sdev;
+ struct rxq *rxq;
+ uint8_t i;
+ int ret;
+
+ fs_lock(dev, 0);
+ rxq = dev->data->rx_queues[rx_queue_id];
+ if (rxq != NULL) {
+ fs_rx_queue_release(rxq);
+ dev->data->rx_queues[rx_queue_id] = NULL;
+ }
+ rxq = rte_zmalloc(NULL,
+ sizeof(*rxq) +
+ sizeof(rte_atomic64_t) * PRIV(dev)->subs_tail,
+ RTE_CACHE_LINE_SIZE);
+ if (rxq == NULL) {
+ fs_unlock(dev, 0);
+ return -ENOMEM;
+ }
+ FOREACH_SUBDEV(sdev, i, dev)
+ rte_atomic64_init(&rxq->refcnt[i]);
+ rxq->qid = rx_queue_id;
+ rxq->socket_id = socket_id;
+ rxq->info.mp = mb_pool;
+ rxq->info.conf = *rx_conf;
+ rxq->info.nb_desc = nb_rx_desc;
+ rxq->priv = PRIV(dev);
+ rxq->sdev = PRIV(dev)->subs;
+ ret = rte_intr_efd_enable(&intr_handle, 1);
+ if (ret < 0) {
+ fs_unlock(dev, 0);
+ return ret;
+ }
+ rxq->event_fd = intr_handle.efds[0];
+ dev->data->rx_queues[rx_queue_id] = rxq;
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ ret = rte_eth_rx_queue_setup(PORT_ID(sdev),
+ rx_queue_id,
+ nb_rx_desc, socket_id,
+ rx_conf, mb_pool);
+ if ((ret = fs_err(sdev, ret))) {
+ ERROR("RX queue setup failed for sub_device %d", i);
+ goto free_rxq;
+ }
+ }
+ fs_unlock(dev, 0);
+ return 0;
+free_rxq:
+ fs_rx_queue_release(rxq);
+ fs_unlock(dev, 0);
+ return ret;
+}
+
+static int
+fs_rx_intr_enable(struct rte_eth_dev *dev, uint16_t idx)
+{
+ struct rxq *rxq;
+ struct sub_device *sdev;
+ uint8_t i;
+ int ret;
+ int rc = 0;
+
+ fs_lock(dev, 0);
+ if (idx >= dev->data->nb_rx_queues) {
+ rc = -EINVAL;
+ goto unlock;
+ }
+ rxq = dev->data->rx_queues[idx];
+ if (rxq == NULL || rxq->event_fd <= 0) {
+ rc = -EINVAL;
+ goto unlock;
+ }
+ /* Fail if proxy service is nor running. */
+ if (PRIV(dev)->rxp.sstate != SS_RUNNING) {
+ ERROR("failsafe interrupt services are not running");
+ rc = -EAGAIN;
+ goto unlock;
+ }
+ rxq->enable_events = 1;
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ ret = rte_eth_dev_rx_intr_enable(PORT_ID(sdev), idx);
+ ret = fs_err(sdev, ret);
+ if (ret)
+ rc = ret;
+ }
+unlock:
+ fs_unlock(dev, 0);
+ if (rc)
+ rte_errno = -rc;
+ return rc;
+}
+
+static int
+fs_rx_intr_disable(struct rte_eth_dev *dev, uint16_t idx)
+{
+ struct rxq *rxq;
+ struct sub_device *sdev;
+ uint64_t u64;
+ uint8_t i;
+ int rc = 0;
+ int ret;
+
+ fs_lock(dev, 0);
+ if (idx >= dev->data->nb_rx_queues) {
+ rc = -EINVAL;
+ goto unlock;
+ }
+ rxq = dev->data->rx_queues[idx];
+ if (rxq == NULL || rxq->event_fd <= 0) {
+ rc = -EINVAL;
+ goto unlock;
+ }
+ rxq->enable_events = 0;
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ ret = rte_eth_dev_rx_intr_disable(PORT_ID(sdev), idx);
+ ret = fs_err(sdev, ret);
+ if (ret)
+ rc = ret;
+ }
+ /* Clear pending events */
+ while (read(rxq->event_fd, &u64, sizeof(uint64_t)) > 0)
+ ;
+unlock:
+ fs_unlock(dev, 0);
+ if (rc)
+ rte_errno = -rc;
+ return rc;
+}
+
+static void
+fs_tx_queue_release(void *queue)
+{
+ struct rte_eth_dev *dev;
+ struct sub_device *sdev;
+ uint8_t i;
+ struct txq *txq;
+
+ if (queue == NULL)
+ return;
+ txq = queue;
+ dev = txq->priv->dev;
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
+ SUBOPS(sdev, tx_queue_release)
+ (ETH(sdev)->data->tx_queues[txq->qid]);
+ dev->data->tx_queues[txq->qid] = NULL;
+ rte_free(txq);
+ fs_unlock(dev, 0);
+}
+
+static int
+fs_tx_queue_setup(struct rte_eth_dev *dev,
+ uint16_t tx_queue_id,
+ uint16_t nb_tx_desc,
+ unsigned int socket_id,
+ const struct rte_eth_txconf *tx_conf)
+{
+ struct sub_device *sdev;
+ struct txq *txq;
+ uint8_t i;
+ int ret;
+
+ fs_lock(dev, 0);
+ txq = dev->data->tx_queues[tx_queue_id];
+ if (txq != NULL) {
+ fs_tx_queue_release(txq);
+ dev->data->tx_queues[tx_queue_id] = NULL;
+ }
+ txq = rte_zmalloc("ethdev TX queue",
+ sizeof(*txq) +
+ sizeof(rte_atomic64_t) * PRIV(dev)->subs_tail,
+ RTE_CACHE_LINE_SIZE);
+ if (txq == NULL) {
+ fs_unlock(dev, 0);
+ return -ENOMEM;
+ }
+ FOREACH_SUBDEV(sdev, i, dev)
+ rte_atomic64_init(&txq->refcnt[i]);
+ txq->qid = tx_queue_id;
+ txq->socket_id = socket_id;
+ txq->info.conf = *tx_conf;
+ txq->info.nb_desc = nb_tx_desc;
+ txq->priv = PRIV(dev);
+ dev->data->tx_queues[tx_queue_id] = txq;
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ ret = rte_eth_tx_queue_setup(PORT_ID(sdev),
+ tx_queue_id,
+ nb_tx_desc, socket_id,
+ tx_conf);
+ if ((ret = fs_err(sdev, ret))) {
+ ERROR("TX queue setup failed for sub_device %d", i);
+ goto free_txq;
+ }
+ }
+ fs_unlock(dev, 0);
+ return 0;
+free_txq:
+ fs_tx_queue_release(txq);
+ fs_unlock(dev, 0);
+ return ret;
+}
+
+static void
+fs_dev_free_queues(struct rte_eth_dev *dev)
+{
+ uint16_t i;
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ fs_rx_queue_release(dev->data->rx_queues[i]);
+ dev->data->rx_queues[i] = NULL;
+ }
+ dev->data->nb_rx_queues = 0;
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ fs_tx_queue_release(dev->data->tx_queues[i]);
+ dev->data->tx_queues[i] = NULL;
+ }
+ dev->data->nb_tx_queues = 0;
+}
+
+static void
+fs_promiscuous_enable(struct rte_eth_dev *dev)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
+ rte_eth_promiscuous_enable(PORT_ID(sdev));
+ fs_unlock(dev, 0);
+}
+
+static void
+fs_promiscuous_disable(struct rte_eth_dev *dev)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
+ rte_eth_promiscuous_disable(PORT_ID(sdev));
+ fs_unlock(dev, 0);
+}
+
+static void
+fs_allmulticast_enable(struct rte_eth_dev *dev)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
+ rte_eth_allmulticast_enable(PORT_ID(sdev));
+ fs_unlock(dev, 0);
+}
+
+static void
+fs_allmulticast_disable(struct rte_eth_dev *dev)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
+ rte_eth_allmulticast_disable(PORT_ID(sdev));
+ fs_unlock(dev, 0);
+}
+
+static int
+fs_link_update(struct rte_eth_dev *dev,
+ int wait_to_complete)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+ int ret;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ DEBUG("Calling link_update on sub_device %d", i);
+ ret = (SUBOPS(sdev, link_update))(ETH(sdev), wait_to_complete);
+ if (ret && ret != -1 && sdev->remove == 0 &&
+ rte_eth_dev_is_removed(PORT_ID(sdev)) == 0) {
+ ERROR("Link update failed for sub_device %d with error %d",
+ i, ret);
+ fs_unlock(dev, 0);
+ return ret;
+ }
+ }
+ if (TX_SUBDEV(dev)) {
+ struct rte_eth_link *l1;
+ struct rte_eth_link *l2;
+
+ l1 = &dev->data->dev_link;
+ l2 = &ETH(TX_SUBDEV(dev))->data->dev_link;
+ if (memcmp(l1, l2, sizeof(*l1))) {
+ *l1 = *l2;
+ fs_unlock(dev, 0);
+ return 0;
+ }
+ }
+ fs_unlock(dev, 0);
+ return -1;
+}
+
+static int
+fs_stats_get(struct rte_eth_dev *dev,
+ struct rte_eth_stats *stats)
+{
+ struct rte_eth_stats backup;
+ struct sub_device *sdev;
+ uint8_t i;
+ int ret;
+
+ fs_lock(dev, 0);
+ rte_memcpy(stats, &PRIV(dev)->stats_accumulator, sizeof(*stats));
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ struct rte_eth_stats *snapshot = &sdev->stats_snapshot.stats;
+ uint64_t *timestamp = &sdev->stats_snapshot.timestamp;
+
+ rte_memcpy(&backup, snapshot, sizeof(backup));
+ ret = rte_eth_stats_get(PORT_ID(sdev), snapshot);
+ if (ret) {
+ if (!fs_err(sdev, ret)) {
+ rte_memcpy(snapshot, &backup, sizeof(backup));
+ goto inc;
+ }
+ ERROR("Operation rte_eth_stats_get failed for sub_device %d with error %d",
+ i, ret);
+ *timestamp = 0;
+ fs_unlock(dev, 0);
+ return ret;
+ }
+ *timestamp = rte_rdtsc();
+inc:
+ failsafe_stats_increment(stats, snapshot);
+ }
+ fs_unlock(dev, 0);
+ return 0;
+}
+
+static void
+fs_stats_reset(struct rte_eth_dev *dev)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ rte_eth_stats_reset(PORT_ID(sdev));
+ memset(&sdev->stats_snapshot, 0, sizeof(struct rte_eth_stats));
+ }
+ memset(&PRIV(dev)->stats_accumulator, 0, sizeof(struct rte_eth_stats));
+ fs_unlock(dev, 0);
+}
+
+/**
+ * Fail-safe dev_infos_get rules:
+ *
+ * No sub_device:
+ * Numerables:
+ * Use the maximum possible values for any field, so as not
+ * to impede any further configuration effort.
+ * Capabilities:
+ * Limits capabilities to those that are understood by the
+ * fail-safe PMD. This understanding stems from the fail-safe
+ * being capable of verifying that the related capability is
+ * expressed within the device configuration (struct rte_eth_conf).
+ *
+ * At least one probed sub_device:
+ * Numerables:
+ * Uses values from the active probed sub_device
+ * The rationale here is that if any sub_device is less capable
+ * (for example concerning the number of queues) than the active
+ * sub_device, then its subsequent configuration will fail.
+ * It is impossible to foresee this failure when the failing sub_device
+ * is supposed to be plugged-in later on, so the configuration process
+ * is the single point of failure and error reporting.
+ * Capabilities:
+ * Uses a logical AND of RX capabilities among
+ * all sub_devices and the default capabilities.
+ * Uses a logical AND of TX capabilities among
+ * the active probed sub_device and the default capabilities.
+ *
+ */
+static void
+fs_dev_infos_get(struct rte_eth_dev *dev,
+ struct rte_eth_dev_info *infos)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+
+ sdev = TX_SUBDEV(dev);
+ if (sdev == NULL) {
+ DEBUG("No probed device, using default infos");
+ rte_memcpy(&PRIV(dev)->infos, &default_infos,
+ sizeof(default_infos));
+ } 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;
+ }
+ rte_memcpy(infos, &PRIV(dev)->infos, sizeof(*infos));
+}
+
+static const uint32_t *
+fs_dev_supported_ptypes_get(struct rte_eth_dev *dev)
+{
+ struct sub_device *sdev;
+ struct rte_eth_dev *edev;
+ const uint32_t *ret;
+
+ fs_lock(dev, 0);
+ sdev = TX_SUBDEV(dev);
+ if (sdev == NULL) {
+ ret = NULL;
+ goto unlock;
+ }
+ edev = ETH(sdev);
+ /* ENOTSUP: counts as no supported ptypes */
+ if (SUBOPS(sdev, dev_supported_ptypes_get) == NULL) {
+ ret = NULL;
+ goto unlock;
+ }
+ /*
+ * The API does not permit to do a clean AND of all ptypes,
+ * It is also incomplete by design and we do not really care
+ * to have a best possible value in this context.
+ * We just return the ptypes of the device of highest
+ * priority, usually the PREFERRED device.
+ */
+ ret = SUBOPS(sdev, dev_supported_ptypes_get)(edev);
+unlock:
+ fs_unlock(dev, 0);
+ return ret;
+}
+
+static int
+fs_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+ int ret;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ DEBUG("Calling rte_eth_dev_set_mtu on sub_device %d", i);
+ ret = rte_eth_dev_set_mtu(PORT_ID(sdev), mtu);
+ if ((ret = fs_err(sdev, ret))) {
+ ERROR("Operation rte_eth_dev_set_mtu 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_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+ int ret;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ DEBUG("Calling rte_eth_dev_vlan_filter on sub_device %d", i);
+ ret = rte_eth_dev_vlan_filter(PORT_ID(sdev), vlan_id, on);
+ if ((ret = fs_err(sdev, ret))) {
+ ERROR("Operation rte_eth_dev_vlan_filter 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_flow_ctrl_get(struct rte_eth_dev *dev,
+ struct rte_eth_fc_conf *fc_conf)
+{
+ struct sub_device *sdev;
+ int ret;
+
+ fs_lock(dev, 0);
+ sdev = TX_SUBDEV(dev);
+ if (sdev == NULL) {
+ ret = 0;
+ goto unlock;
+ }
+ if (SUBOPS(sdev, flow_ctrl_get) == NULL) {
+ ret = -ENOTSUP;
+ goto unlock;
+ }
+ ret = SUBOPS(sdev, flow_ctrl_get)(ETH(sdev), fc_conf);
+unlock:
+ fs_unlock(dev, 0);
+ return ret;
+}
+
+static int
+fs_flow_ctrl_set(struct rte_eth_dev *dev,
+ struct rte_eth_fc_conf *fc_conf)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+ int ret;
+
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ DEBUG("Calling rte_eth_dev_flow_ctrl_set on sub_device %d", i);
+ ret = rte_eth_dev_flow_ctrl_set(PORT_ID(sdev), fc_conf);
+ if ((ret = fs_err(sdev, ret))) {
+ ERROR("Operation rte_eth_dev_flow_ctrl_set failed for sub_device %d"
+ " with error %d", i, ret);
+ fs_unlock(dev, 0);
+ return ret;
+ }
+ }
+ fs_unlock(dev, 0);
+ return 0;
+}
+
+static void
+fs_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+
+ fs_lock(dev, 0);
+ /* No check: already done within the rte_eth_dev_mac_addr_remove
+ * call for the fail-safe device.
+ */
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
+ rte_eth_dev_mac_addr_remove(PORT_ID(sdev),
+ &dev->data->mac_addrs[index]);
+ PRIV(dev)->mac_addr_pool[index] = 0;
+ fs_unlock(dev, 0);
+}
+
+static int
+fs_mac_addr_add(struct rte_eth_dev *dev,
+ struct ether_addr *mac_addr,
+ uint32_t index,
+ uint32_t vmdq)
+{
+ struct sub_device *sdev;
+ int ret;
+ uint8_t i;
+
+ RTE_ASSERT(index < FAILSAFE_MAX_ETHADDR);
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ ret = rte_eth_dev_mac_addr_add(PORT_ID(sdev), mac_addr, vmdq);
+ if ((ret = fs_err(sdev, ret))) {
+ ERROR("Operation rte_eth_dev_mac_addr_add failed for sub_device %"
+ PRIu8 " with error %d", i, ret);
+ fs_unlock(dev, 0);
+ return ret;
+ }
+ }
+ if (index >= PRIV(dev)->nb_mac_addr) {
+ DEBUG("Growing mac_addrs array");
+ PRIV(dev)->nb_mac_addr = index;
+ }
+ PRIV(dev)->mac_addr_pool[index] = vmdq;
+ fs_unlock(dev, 0);
+ return 0;
+}
+
+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) {
+ 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
+fs_filter_ctrl(struct rte_eth_dev *dev,
+ enum rte_filter_type type,
+ enum rte_filter_op op,
+ void *arg)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+ int ret;
+
+ if (type == RTE_ETH_FILTER_GENERIC &&
+ op == RTE_ETH_FILTER_GET) {
+ *(const void **)arg = &fs_flow_ops;
+ return 0;
+ }
+ fs_lock(dev, 0);
+ FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
+ DEBUG("Calling rte_eth_dev_filter_ctrl on sub_device %d", i);
+ ret = rte_eth_dev_filter_ctrl(PORT_ID(sdev), type, op, arg);
+ if ((ret = fs_err(sdev, ret))) {
+ ERROR("Operation rte_eth_dev_filter_ctrl failed for sub_device %d"
+ " with error %d", i, ret);
+ fs_unlock(dev, 0);
+ return ret;
+ }
+ }
+ fs_unlock(dev, 0);
+ return 0;
+}
+
+const struct eth_dev_ops failsafe_ops = {
+ .dev_configure = fs_dev_configure,
+ .dev_start = fs_dev_start,
+ .dev_stop = fs_dev_stop,
+ .dev_set_link_down = fs_dev_set_link_down,
+ .dev_set_link_up = fs_dev_set_link_up,
+ .dev_close = fs_dev_close,
+ .promiscuous_enable = fs_promiscuous_enable,
+ .promiscuous_disable = fs_promiscuous_disable,
+ .allmulticast_enable = fs_allmulticast_enable,
+ .allmulticast_disable = fs_allmulticast_disable,
+ .link_update = fs_link_update,
+ .stats_get = fs_stats_get,
+ .stats_reset = fs_stats_reset,
+ .dev_infos_get = fs_dev_infos_get,
+ .dev_supported_ptypes_get = fs_dev_supported_ptypes_get,
+ .mtu_set = fs_mtu_set,
+ .vlan_filter_set = fs_vlan_filter_set,
+ .rx_queue_setup = fs_rx_queue_setup,
+ .tx_queue_setup = fs_tx_queue_setup,
+ .rx_queue_release = fs_rx_queue_release,
+ .tx_queue_release = fs_tx_queue_release,
+ .rx_queue_intr_enable = fs_rx_intr_enable,
+ .rx_queue_intr_disable = fs_rx_intr_disable,
+ .flow_ctrl_get = fs_flow_ctrl_get,
+ .flow_ctrl_set = fs_flow_ctrl_set,
+ .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,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 01:20:15 +0000