diff options
Diffstat (limited to 'drivers/net/failsafe/failsafe_ops.c')
| -rw-r--r-- | drivers/net/failsafe/failsafe_ops.c | 867 |
1 files changed, 867 insertions, 0 deletions
diff --git a/drivers/net/failsafe/failsafe_ops.c b/drivers/net/failsafe/failsafe_ops.c new file mode 100644 index 00000000..ff9ad155 --- /dev/null +++ b/drivers/net/failsafe/failsafe_ops.c @@ -0,0 +1,867 @@ +/*- + * BSD LICENSE + * + * Copyright 2017 6WIND S.A. + * Copyright 2017 Mellanox. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of 6WIND S.A. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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. + */ + +#include <stdint.h> + +#include <rte_debug.h> +#include <rte_atomic.h> +#include <rte_ethdev.h> +#include <rte_malloc.h> +#include <rte_flow.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_QINQ_STRIP | + DEV_RX_OFFLOAD_IPV4_CKSUM | + DEV_RX_OFFLOAD_UDP_CKSUM | + DEV_RX_OFFLOAD_TCP_CKSUM | + DEV_RX_OFFLOAD_TCP_LRO, + .tx_offload_capa = 0x0, + .flow_type_rss_offloads = 0x0, +}; + +/** + * Check whether a specific offloading capability + * is supported by a sub_device. + * + * @return + * 0: all requested capabilities are supported by the sub_device + * positive value: This flag at least is not supported by the sub_device + */ +static int +fs_port_offload_validate(struct rte_eth_dev *dev, + struct sub_device *sdev) +{ + struct rte_eth_dev_info infos = {0}; + struct rte_eth_conf *cf; + uint32_t cap; + + cf = &dev->data->dev_conf; + SUBOPS(sdev, dev_infos_get)(ETH(sdev), &infos); + /* RX capabilities */ + cap = infos.rx_offload_capa; + if (cf->rxmode.hw_vlan_strip && + ((cap & DEV_RX_OFFLOAD_VLAN_STRIP) == 0)) { + WARN("VLAN stripping offload requested but not supported by sub_device %d", + SUB_ID(sdev)); + return DEV_RX_OFFLOAD_VLAN_STRIP; + } + if (cf->rxmode.hw_ip_checksum && + ((cap & (DEV_RX_OFFLOAD_IPV4_CKSUM | + DEV_RX_OFFLOAD_UDP_CKSUM | + DEV_RX_OFFLOAD_TCP_CKSUM)) != + (DEV_RX_OFFLOAD_IPV4_CKSUM | + DEV_RX_OFFLOAD_UDP_CKSUM | + DEV_RX_OFFLOAD_TCP_CKSUM))) { + WARN("IP checksum offload requested but not supported by sub_device %d", + SUB_ID(sdev)); + return DEV_RX_OFFLOAD_IPV4_CKSUM | + DEV_RX_OFFLOAD_UDP_CKSUM | + DEV_RX_OFFLOAD_TCP_CKSUM; + } + if (cf->rxmode.enable_lro && + ((cap & DEV_RX_OFFLOAD_TCP_LRO) == 0)) { + WARN("TCP LRO offload requested but not supported by sub_device %d", + SUB_ID(sdev)); + return DEV_RX_OFFLOAD_TCP_LRO; + } + if (cf->rxmode.hw_vlan_extend && + ((cap & DEV_RX_OFFLOAD_QINQ_STRIP) == 0)) { + WARN("Stacked VLAN stripping offload requested but not supported by sub_device %d", + SUB_ID(sdev)); + return DEV_RX_OFFLOAD_QINQ_STRIP; + } + /* TX capabilities */ + /* Nothing to do, no tx capa supported */ + return 0; +} + +/* + * Disable the dev_conf flag related to an offload capability flag + * within an ethdev configuration. + */ +static int +fs_port_disable_offload(struct rte_eth_conf *cf, + uint32_t ol_cap) +{ + switch (ol_cap) { + case DEV_RX_OFFLOAD_VLAN_STRIP: + INFO("Disabling VLAN stripping offload"); + cf->rxmode.hw_vlan_strip = 0; + break; + case DEV_RX_OFFLOAD_IPV4_CKSUM: + case DEV_RX_OFFLOAD_UDP_CKSUM: + case DEV_RX_OFFLOAD_TCP_CKSUM: + case (DEV_RX_OFFLOAD_IPV4_CKSUM | + DEV_RX_OFFLOAD_UDP_CKSUM | + DEV_RX_OFFLOAD_TCP_CKSUM): + INFO("Disabling IP checksum offload"); + cf->rxmode.hw_ip_checksum = 0; + break; + case DEV_RX_OFFLOAD_TCP_LRO: + INFO("Disabling TCP LRO offload"); + cf->rxmode.enable_lro = 0; + break; + case DEV_RX_OFFLOAD_QINQ_STRIP: + INFO("Disabling stacked VLAN stripping offload"); + cf->rxmode.hw_vlan_extend = 0; + break; + default: + DEBUG("Unable to disable offload capability: %" PRIx32, + ol_cap); + return -1; + } + return 0; +} + +static int +fs_dev_configure(struct rte_eth_dev *dev) +{ + struct sub_device *sdev; + uint8_t i; + int capa_flag; + int ret; + + FOREACH_SUBDEV(sdev, i, dev) { + if (sdev->state != DEV_PROBED) + continue; + DEBUG("Checking capabilities for sub_device %d", i); + while ((capa_flag = fs_port_offload_validate(dev, sdev))) { + /* + * Refuse to change configuration if multiple devices + * are present and we already have configured at least + * some of them. + */ + if (PRIV(dev)->state >= DEV_ACTIVE && + PRIV(dev)->subs_tail > 1) { + ERROR("device already configured, cannot fix live configuration"); + return -1; + } + ret = fs_port_disable_offload(&dev->data->dev_conf, + capa_flag); + if (ret) { + ERROR("Unable to disable offload capability"); + return ret; + } + } + } + FOREACH_SUBDEV(sdev, i, dev) { + int rmv_interrupt = 0; + int lsc_interrupt = 0; + int lsc_enabled; + + if (sdev->state != DEV_PROBED) + 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); + sdev->remove = 0; + ret = rte_eth_dev_configure(PORT_ID(sdev), + dev->data->nb_rx_queues, + dev->data->nb_tx_queues, + &dev->data->dev_conf); + if (ret) { + ERROR("Could not configure sub_device %d", i); + return ret; + } + if (rmv_interrupt) { + 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)); + } + dev->data->dev_conf.intr_conf.rmv = 0; + if (lsc_interrupt) { + 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)); + } + dev->data->dev_conf.intr_conf.lsc = lsc_enabled; + sdev->state = DEV_ACTIVE; + } + if (PRIV(dev)->state < DEV_ACTIVE) + PRIV(dev)->state = DEV_ACTIVE; + return 0; +} + +static int +fs_dev_start(struct rte_eth_dev *dev) +{ + struct sub_device *sdev; + uint8_t i; + int 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) + return ret; + sdev->state = DEV_STARTED; + } + if (PRIV(dev)->state < DEV_STARTED) + PRIV(dev)->state = DEV_STARTED; + fs_switch_dev(dev, NULL); + return 0; +} + +static void +fs_dev_stop(struct rte_eth_dev *dev) +{ + struct sub_device *sdev; + uint8_t i; + + PRIV(dev)->state = DEV_STARTED - 1; + FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_STARTED) { + rte_eth_dev_stop(PORT_ID(sdev)); + sdev->state = DEV_STARTED - 1; + } +} + +static int +fs_dev_set_link_up(struct rte_eth_dev *dev) +{ + struct sub_device *sdev; + uint8_t i; + int ret; + + 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) { + ERROR("Operation rte_eth_dev_set_link_up failed for sub_device %d" + " with error %d", i, ret); + return ret; + } + } + return 0; +} + +static int +fs_dev_set_link_down(struct rte_eth_dev *dev) +{ + struct sub_device *sdev; + uint8_t i; + int ret; + + 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) { + ERROR("Operation rte_eth_dev_set_link_down failed for sub_device %d" + " with error %d", i, ret); + return ret; + } + } + 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; + + 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); + rte_eth_dev_close(PORT_ID(sdev)); + sdev->state = DEV_ACTIVE - 1; + } + fs_dev_free_queues(dev); +} + +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; + 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); +} + +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) +{ + struct sub_device *sdev; + struct rxq *rxq; + uint8_t i; + int ret; + + 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) + 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); + 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) { + ERROR("RX queue setup failed for sub_device %d", i); + goto free_rxq; + } + } + return 0; +free_rxq: + fs_rx_queue_release(rxq); + return ret; +} + +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; + 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); +} + +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; + + 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) + 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) { + ERROR("TX queue setup failed for sub_device %d", i); + goto free_txq; + } + } + return 0; +free_txq: + fs_tx_queue_release(txq); + 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; + + FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) + rte_eth_promiscuous_enable(PORT_ID(sdev)); +} + +static void +fs_promiscuous_disable(struct rte_eth_dev *dev) +{ + struct sub_device *sdev; + uint8_t i; + + FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) + rte_eth_promiscuous_disable(PORT_ID(sdev)); +} + +static void +fs_allmulticast_enable(struct rte_eth_dev *dev) +{ + struct sub_device *sdev; + uint8_t i; + + FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) + rte_eth_allmulticast_enable(PORT_ID(sdev)); +} + +static void +fs_allmulticast_disable(struct rte_eth_dev *dev) +{ + struct sub_device *sdev; + uint8_t i; + + FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) + rte_eth_allmulticast_disable(PORT_ID(sdev)); +} + +static int +fs_link_update(struct rte_eth_dev *dev, + int wait_to_complete) +{ + struct sub_device *sdev; + uint8_t i; + int ret; + + 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) { + ERROR("Link update failed for sub_device %d with error %d", + i, ret); + return ret; + } + } + if (TX_SUBDEV(dev)) { + struct rte_eth_link *l1; + struct rte_eth_link *l2; + + l1 = &dev->data->dev_link; + l2 = Ð(TX_SUBDEV(dev))->data->dev_link; + if (memcmp(l1, l2, sizeof(*l1))) { + *l1 = *l2; + return 0; + } + } + return -1; +} + +static void +fs_stats_get(struct rte_eth_dev *dev, + struct rte_eth_stats *stats) +{ + if (TX_SUBDEV(dev) == NULL) + return; + rte_eth_stats_get(PORT_ID(TX_SUBDEV(dev)), stats); +} + +static void +fs_stats_reset(struct rte_eth_dev *dev) +{ + struct sub_device *sdev; + uint8_t i; + + FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) + rte_eth_stats_reset(PORT_ID(sdev)); +} + +/** + * 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 { + uint32_t rx_offload_capa; + + rx_offload_capa = default_infos.rx_offload_capa; + 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; + } + 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.tx_offload_capa &= + default_infos.tx_offload_capa; + PRIV(dev)->infos.flow_type_rss_offloads &= + default_infos.flow_type_rss_offloads; + } + 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; + + sdev = TX_SUBDEV(dev); + if (sdev == NULL) + return NULL; + edev = ETH(sdev); + /* ENOTSUP: counts as no supported ptypes */ + if (SUBOPS(sdev, dev_supported_ptypes_get) == NULL) + return NULL; + /* + * 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. + */ + return SUBOPS(sdev, dev_supported_ptypes_get)(edev); +} + +static int +fs_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) +{ + struct sub_device *sdev; + uint8_t i; + int ret; + + 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) { + ERROR("Operation rte_eth_dev_set_mtu failed for sub_device %d with error %d", + i, ret); + return ret; + } + } + 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; + + 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) { + ERROR("Operation rte_eth_dev_vlan_filter failed for sub_device %d" + " with error %d", i, ret); + return ret; + } + } + return 0; +} + +static int +fs_flow_ctrl_get(struct rte_eth_dev *dev, + struct rte_eth_fc_conf *fc_conf) +{ + struct sub_device *sdev; + + sdev = TX_SUBDEV(dev); + if (sdev == NULL) + return 0; + if (SUBOPS(sdev, flow_ctrl_get) == NULL) + return -ENOTSUP; + return SUBOPS(sdev, flow_ctrl_get)(ETH(sdev), fc_conf); +} + +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; + + 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) { + ERROR("Operation rte_eth_dev_flow_ctrl_set failed for sub_device %d" + " with error %d", i, ret); + return ret; + } + } + return 0; +} + +static void +fs_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index) +{ + struct sub_device *sdev; + uint8_t i; + + /* 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; +} + +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); + FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) { + ret = rte_eth_dev_mac_addr_add(PORT_ID(sdev), mac_addr, vmdq); + if (ret) { + ERROR("Operation rte_eth_dev_mac_addr_add failed for sub_device %" + PRIu8 " with error %d", i, ret); + 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; + return 0; +} + +static void +fs_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr) +{ + struct sub_device *sdev; + uint8_t i; + + FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) + rte_eth_dev_default_mac_addr_set(PORT_ID(sdev), mac_addr); +} + +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; + } + 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) { + ERROR("Operation rte_eth_dev_filter_ctrl failed for sub_device %d" + " with error %d", i, ret); + return ret; + } + } + 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, + .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, + .filter_ctrl = fs_filter_ctrl, +}; 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