#include <rte_ethdev.h>
#include <rte_ethdev_driver.h>
#include <rte_malloc.h>
+#include <rte_ethdev_pci.h>
#include "ionic_logs.h"
#include "ionic.h"
#include "ionic_dev.h"
#include "ionic_mac_api.h"
+#include "ionic_lif.h"
+#include "ionic_ethdev.h"
+
+static int eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params);
+static int eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev);
+static int ionic_dev_info_get(struct rte_eth_dev *eth_dev,
+ struct rte_eth_dev_info *dev_info);
+static int ionic_dev_configure(struct rte_eth_dev *dev);
+static int ionic_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
+static int ionic_dev_start(struct rte_eth_dev *dev);
+static void ionic_dev_stop(struct rte_eth_dev *dev);
+static void ionic_dev_close(struct rte_eth_dev *dev);
+static int ionic_dev_set_link_up(struct rte_eth_dev *dev);
+static int ionic_dev_set_link_down(struct rte_eth_dev *dev);
+static int ionic_dev_link_update(struct rte_eth_dev *eth_dev,
+ int wait_to_complete);
+static int ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
+ struct rte_eth_fc_conf *fc_conf);
+static int ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
+ struct rte_eth_fc_conf *fc_conf);
int ionic_logtype;
{ .vendor_id = 0, /* sentinel */ },
};
+static const struct eth_dev_ops ionic_eth_dev_ops = {
+ .dev_infos_get = ionic_dev_info_get,
+ .dev_configure = ionic_dev_configure,
+ .mtu_set = ionic_dev_mtu_set,
+ .dev_start = ionic_dev_start,
+ .dev_stop = ionic_dev_stop,
+ .dev_close = ionic_dev_close,
+ .link_update = ionic_dev_link_update,
+ .dev_set_link_up = ionic_dev_set_link_up,
+ .dev_set_link_down = ionic_dev_set_link_down,
+ .mac_addr_add = ionic_dev_add_mac,
+ .mac_addr_remove = ionic_dev_remove_mac,
+ .mac_addr_set = ionic_dev_set_mac,
+ .vlan_filter_set = ionic_dev_vlan_filter_set,
+ .promiscuous_enable = ionic_dev_promiscuous_enable,
+ .promiscuous_disable = ionic_dev_promiscuous_disable,
+ .allmulticast_enable = ionic_dev_allmulticast_enable,
+ .allmulticast_disable = ionic_dev_allmulticast_disable,
+ .flow_ctrl_get = ionic_flow_ctrl_get,
+ .flow_ctrl_set = ionic_flow_ctrl_set,
+};
+
+/*
+ * Set device link up, enable tx.
+ */
+static int
+ionic_dev_set_link_up(struct rte_eth_dev *eth_dev)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ struct ionic_adapter *adapter = lif->adapter;
+ struct ionic_dev *idev = &adapter->idev;
+ int err;
+
+ IONIC_PRINT_CALL();
+
+ ionic_dev_cmd_port_state(idev, IONIC_PORT_ADMIN_STATE_UP);
+
+ err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
+ if (err) {
+ IONIC_PRINT(WARNING, "Failed to bring port UP");
+ return err;
+ }
+
+ return 0;
+}
+
+/*
+ * Set device link down, disable tx.
+ */
+static int
+ionic_dev_set_link_down(struct rte_eth_dev *eth_dev)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ struct ionic_adapter *adapter = lif->adapter;
+ struct ionic_dev *idev = &adapter->idev;
+ int err;
+
+ IONIC_PRINT_CALL();
+
+ ionic_dev_cmd_port_state(idev, IONIC_PORT_ADMIN_STATE_DOWN);
+
+ err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
+ if (err) {
+ IONIC_PRINT(WARNING, "Failed to bring port DOWN");
+ return err;
+ }
+
+ return 0;
+}
+
+static int
+ionic_dev_link_update(struct rte_eth_dev *eth_dev,
+ int wait_to_complete __rte_unused)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ struct ionic_adapter *adapter = lif->adapter;
+ struct rte_eth_link link;
+
+ IONIC_PRINT_CALL();
+
+ /* Initialize */
+ memset(&link, 0, sizeof(link));
+ link.link_autoneg = ETH_LINK_AUTONEG;
+
+ if (!adapter->link_up) {
+ /* Interface is down */
+ link.link_status = ETH_LINK_DOWN;
+ link.link_duplex = ETH_LINK_HALF_DUPLEX;
+ link.link_speed = ETH_SPEED_NUM_NONE;
+ } else {
+ /* Interface is up */
+ link.link_status = ETH_LINK_UP;
+ link.link_duplex = ETH_LINK_FULL_DUPLEX;
+ switch (adapter->link_speed) {
+ case 10000:
+ link.link_speed = ETH_SPEED_NUM_10G;
+ break;
+ case 25000:
+ link.link_speed = ETH_SPEED_NUM_25G;
+ break;
+ case 40000:
+ link.link_speed = ETH_SPEED_NUM_40G;
+ break;
+ case 50000:
+ link.link_speed = ETH_SPEED_NUM_50G;
+ break;
+ case 100000:
+ link.link_speed = ETH_SPEED_NUM_100G;
+ break;
+ default:
+ link.link_speed = ETH_SPEED_NUM_NONE;
+ break;
+ }
+ }
+
+ return rte_eth_linkstatus_set(eth_dev, &link);
+}
+
+/**
+ * Interrupt handler triggered by NIC for handling
+ * specific interrupt.
+ *
+ * @param param
+ * The address of parameter registered before.
+ *
+ * @return
+ * void
+ */
+static void
+ionic_dev_interrupt_handler(void *param)
+{
+ struct ionic_adapter *adapter = (struct ionic_adapter *)param;
+ uint32_t i;
+
+ IONIC_PRINT(DEBUG, "->");
+
+ for (i = 0; i < adapter->nlifs; i++) {
+ if (adapter->lifs[i])
+ ionic_notifyq_handler(adapter->lifs[i], -1);
+ }
+}
+
+static int
+ionic_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ uint32_t max_frame_size;
+ int err;
+
+ IONIC_PRINT_CALL();
+
+ /*
+ * Note: mtu check against IONIC_MIN_MTU, IONIC_MAX_MTU
+ * is done by the the API.
+ */
+
+ /*
+ * Max frame size is MTU + Ethernet header + VLAN + QinQ
+ * (plus ETHER_CRC_LEN if the adapter is able to keep CRC)
+ */
+ max_frame_size = mtu + RTE_ETHER_HDR_LEN + 4 + 4;
+
+ if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len < max_frame_size)
+ return -EINVAL;
+
+ err = ionic_lif_change_mtu(lif, mtu);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int
+ionic_dev_info_get(struct rte_eth_dev *eth_dev,
+ struct rte_eth_dev_info *dev_info)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ struct ionic_adapter *adapter = lif->adapter;
+ struct ionic_identity *ident = &adapter->ident;
+
+ IONIC_PRINT_CALL();
+
+ dev_info->max_rx_queues = (uint16_t)
+ ident->lif.eth.config.queue_count[IONIC_QTYPE_RXQ];
+ dev_info->max_tx_queues = (uint16_t)
+ ident->lif.eth.config.queue_count[IONIC_QTYPE_TXQ];
+ /* Also add ETHER_CRC_LEN if the adapter is able to keep CRC */
+ dev_info->min_rx_bufsize = IONIC_MIN_MTU + RTE_ETHER_HDR_LEN;
+ dev_info->max_rx_pktlen = IONIC_MAX_MTU + RTE_ETHER_HDR_LEN;
+ dev_info->max_mac_addrs = adapter->max_mac_addrs;
+ dev_info->min_mtu = IONIC_MIN_MTU;
+ dev_info->max_mtu = IONIC_MAX_MTU;
+
+ dev_info->speed_capa =
+ ETH_LINK_SPEED_10G |
+ ETH_LINK_SPEED_25G |
+ ETH_LINK_SPEED_40G |
+ ETH_LINK_SPEED_50G |
+ ETH_LINK_SPEED_100G;
+
+ return 0;
+}
+
+static int
+ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
+ struct rte_eth_fc_conf *fc_conf)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ struct ionic_adapter *adapter = lif->adapter;
+ struct ionic_dev *idev = &adapter->idev;
+
+ if (idev->port_info) {
+ fc_conf->autoneg = idev->port_info->config.an_enable;
+
+ if (idev->port_info->config.pause_type)
+ fc_conf->mode = RTE_FC_FULL;
+ else
+ fc_conf->mode = RTE_FC_NONE;
+ }
+
+ return 0;
+}
+
+static int
+ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
+ struct rte_eth_fc_conf *fc_conf)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ struct ionic_adapter *adapter = lif->adapter;
+ struct ionic_dev *idev = &adapter->idev;
+ uint8_t pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
+ uint8_t an_enable;
+
+ switch (fc_conf->mode) {
+ case RTE_FC_NONE:
+ pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
+ break;
+ case RTE_FC_FULL:
+ pause_type = IONIC_PORT_PAUSE_TYPE_LINK;
+ break;
+ case RTE_FC_RX_PAUSE:
+ case RTE_FC_TX_PAUSE:
+ return -ENOTSUP;
+ }
+
+ an_enable = fc_conf->autoneg;
+
+ ionic_dev_cmd_port_pause(idev, pause_type);
+ ionic_dev_cmd_port_autoneg(idev, an_enable);
+
+ return 0;
+}
+
+static int
+ionic_dev_configure(struct rte_eth_dev *eth_dev)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ int err;
+
+ IONIC_PRINT_CALL();
+
+ err = ionic_lif_configure(lif);
+ if (err) {
+ IONIC_PRINT(ERR, "Cannot configure LIF: %d", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static inline uint32_t
+ionic_parse_link_speeds(uint16_t link_speeds)
+{
+ if (link_speeds & ETH_LINK_SPEED_100G)
+ return 100000;
+ else if (link_speeds & ETH_LINK_SPEED_50G)
+ return 50000;
+ else if (link_speeds & ETH_LINK_SPEED_40G)
+ return 40000;
+ else if (link_speeds & ETH_LINK_SPEED_25G)
+ return 25000;
+ else if (link_speeds & ETH_LINK_SPEED_10G)
+ return 10000;
+ else
+ return 0;
+}
+
+/*
+ * Configure device link speed and setup link.
+ * It returns 0 on success.
+ */
+static int
+ionic_dev_start(struct rte_eth_dev *eth_dev)
+{
+ struct rte_eth_conf *dev_conf = ð_dev->data->dev_conf;
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ struct ionic_adapter *adapter = lif->adapter;
+ struct ionic_dev *idev = &adapter->idev;
+ uint32_t allowed_speeds;
+ int err;
+
+ IONIC_PRINT_CALL();
+
+ allowed_speeds =
+ ETH_LINK_SPEED_FIXED |
+ ETH_LINK_SPEED_10G |
+ ETH_LINK_SPEED_25G |
+ ETH_LINK_SPEED_40G |
+ ETH_LINK_SPEED_50G |
+ ETH_LINK_SPEED_100G;
+
+ if (dev_conf->link_speeds & ~allowed_speeds) {
+ IONIC_PRINT(ERR, "Invalid link setting");
+ return -EINVAL;
+ }
+
+ err = ionic_lif_start(lif);
+ if (err) {
+ IONIC_PRINT(ERR, "Cannot start LIF: %d", err);
+ return err;
+ }
+
+ if (eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED) {
+ uint32_t speed = ionic_parse_link_speeds(dev_conf->link_speeds);
+
+ if (speed)
+ ionic_dev_cmd_port_speed(idev, speed);
+ }
+
+ ionic_dev_link_update(eth_dev, 0);
+
+ return 0;
+}
+
+/*
+ * Stop device: disable rx and tx functions to allow for reconfiguring.
+ */
+static void
+ionic_dev_stop(struct rte_eth_dev *eth_dev)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ int err;
+
+ IONIC_PRINT_CALL();
+
+ err = ionic_lif_stop(lif);
+ if (err)
+ IONIC_PRINT(ERR, "Cannot stop LIF: %d", err);
+}
+
+/*
+ * Reset and stop device.
+ */
+static void
+ionic_dev_close(struct rte_eth_dev *eth_dev)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ int err;
+
+ IONIC_PRINT_CALL();
+
+ err = ionic_lif_stop(lif);
+ if (err) {
+ IONIC_PRINT(ERR, "Cannot stop LIF: %d", err);
+ return;
+ }
+
+ err = eth_ionic_dev_uninit(eth_dev);
+ if (err) {
+ IONIC_PRINT(ERR, "Cannot destroy LIF: %d", err);
+ return;
+ }
+}
+
+static int
+eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params)
+{
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ struct ionic_adapter *adapter = (struct ionic_adapter *)init_params;
+ int err;
+
+ IONIC_PRINT_CALL();
+
+ eth_dev->dev_ops = &ionic_eth_dev_ops;
+
+ /* Multi-process not supported, primary does initialization anyway */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ rte_eth_copy_pci_info(eth_dev, pci_dev);
+
+ lif->index = adapter->nlifs;
+ lif->eth_dev = eth_dev;
+ lif->adapter = adapter;
+ adapter->lifs[adapter->nlifs] = lif;
+
+ IONIC_PRINT(DEBUG, "Up to %u MAC addresses supported",
+ adapter->max_mac_addrs);
+
+ /* Allocate memory for storing MAC addresses */
+ eth_dev->data->mac_addrs = rte_zmalloc("ionic",
+ RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs, 0);
+
+ if (eth_dev->data->mac_addrs == NULL) {
+ IONIC_PRINT(ERR, "Failed to allocate %u bytes needed to "
+ "store MAC addresses",
+ RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs);
+ err = -ENOMEM;
+ goto err;
+ }
+
+ err = ionic_lif_alloc(lif);
+ if (err) {
+ IONIC_PRINT(ERR, "Cannot allocate LIFs: %d, aborting",
+ err);
+ goto err;
+ }
+
+ err = ionic_lif_init(lif);
+ if (err) {
+ IONIC_PRINT(ERR, "Cannot init LIFs: %d, aborting", err);
+ goto err_free_lif;
+ }
+
+ /* Copy the MAC address */
+ rte_ether_addr_copy((struct rte_ether_addr *)lif->mac_addr,
+ ð_dev->data->mac_addrs[0]);
+
+ IONIC_PRINT(DEBUG, "Port %u initialized", eth_dev->data->port_id);
+
+ return 0;
+
+err_free_lif:
+ ionic_lif_free(lif);
+err:
+ return err;
+}
+
+static int
+eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
+{
+ struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ struct ionic_adapter *adapter = lif->adapter;
+
+ IONIC_PRINT_CALL();
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ adapter->lifs[lif->index] = NULL;
+
+ ionic_lif_deinit(lif);
+ ionic_lif_free(lif);
+
+ eth_dev->dev_ops = NULL;
+
+ return 0;
+}
+
+static int
+ionic_configure_intr(struct ionic_adapter *adapter)
+{
+ struct rte_pci_device *pci_dev = adapter->pci_dev;
+ struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+ int err;
+
+ IONIC_PRINT(DEBUG, "Configuring %u intrs", adapter->nintrs);
+
+ if (rte_intr_efd_enable(intr_handle, adapter->nintrs)) {
+ IONIC_PRINT(ERR, "Fail to create eventfd");
+ return -1;
+ }
+
+ if (rte_intr_dp_is_en(intr_handle))
+ IONIC_PRINT(DEBUG,
+ "Packet I/O interrupt on datapath is enabled");
+
+ if (!intr_handle->intr_vec) {
+ intr_handle->intr_vec = rte_zmalloc("intr_vec",
+ adapter->nintrs * sizeof(int), 0);
+
+ if (!intr_handle->intr_vec) {
+ IONIC_PRINT(ERR, "Failed to allocate %u vectors",
+ adapter->nintrs);
+ return -ENOMEM;
+ }
+ }
+
+ err = rte_intr_callback_register(intr_handle,
+ ionic_dev_interrupt_handler,
+ adapter);
+
+ if (err) {
+ IONIC_PRINT(ERR,
+ "Failure registering interrupts handler (%d)",
+ err);
+ return err;
+ }
+
+ /* enable intr mapping */
+ err = rte_intr_enable(intr_handle);
+
+ if (err) {
+ IONIC_PRINT(ERR, "Failure enabling interrupts (%d)", err);
+ return err;
+ }
+
+ return 0;
+}
+
+static void
+ionic_unconfigure_intr(struct ionic_adapter *adapter)
+{
+ struct rte_pci_device *pci_dev = adapter->pci_dev;
+ struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
+
+ rte_intr_disable(intr_handle);
+
+ rte_intr_callback_unregister(intr_handle,
+ ionic_dev_interrupt_handler,
+ adapter);
+}
+
static int
eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
struct rte_pci_device *pci_dev)
{
+ char name[RTE_ETH_NAME_MAX_LEN];
struct rte_mem_resource *resource;
struct ionic_adapter *adapter;
struct ionic_hw *hw;
goto err_free_adapter;
}
+ /* Configure the ports */
+ err = ionic_port_identify(adapter);
+ if (err) {
+ IONIC_PRINT(ERR, "Cannot identify port: %d, aborting",
+ err);
+ goto err_free_adapter;
+ }
+
+ err = ionic_port_init(adapter);
+ if (err) {
+ IONIC_PRINT(ERR, "Cannot init port: %d, aborting", err);
+ goto err_free_adapter;
+ }
+
+ /* Configure LIFs */
+ err = ionic_lif_identify(adapter);
+ if (err) {
+ IONIC_PRINT(ERR, "Cannot identify lif: %d, aborting", err);
+ goto err_free_adapter;
+ }
+
+ /* Allocate and init LIFs */
+ err = ionic_lifs_size(adapter);
+ if (err) {
+ IONIC_PRINT(ERR, "Cannot size LIFs: %d, aborting", err);
+ goto err_free_adapter;
+ }
+
+ adapter->max_mac_addrs = adapter->ident.lif.eth.max_ucast_filters;
+
+ adapter->nlifs = 0;
+ for (i = 0; i < adapter->ident.dev.nlifs; i++) {
+ snprintf(name, sizeof(name), "net_%s_lif_%lu",
+ pci_dev->device.name, i);
+
+ err = rte_eth_dev_create(&pci_dev->device, name,
+ sizeof(struct ionic_lif),
+ NULL, NULL,
+ eth_ionic_dev_init, adapter);
+ if (err) {
+ IONIC_PRINT(ERR, "Cannot create eth device for "
+ "ionic lif %s", name);
+ break;
+ }
+
+ adapter->nlifs++;
+ }
+
+ err = ionic_configure_intr(adapter);
+
+ if (err) {
+ IONIC_PRINT(ERR, "Failed to configure interrupts");
+ goto err_free_adapter;
+ }
+
return 0;
err_free_adapter:
static int
eth_ionic_pci_remove(struct rte_pci_device *pci_dev __rte_unused)
{
+ char name[RTE_ETH_NAME_MAX_LEN];
+ struct ionic_adapter *adapter = NULL;
+ struct rte_eth_dev *eth_dev;
+ struct ionic_lif *lif;
+ uint32_t i;
+
+ /* Adapter lookup is using (the first) eth_dev name */
+ snprintf(name, sizeof(name), "net_%s_lif_0",
+ pci_dev->device.name);
+
+ eth_dev = rte_eth_dev_allocated(name);
+ if (eth_dev) {
+ lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
+ adapter = lif->adapter;
+ }
+
+ if (adapter) {
+ ionic_unconfigure_intr(adapter);
+
+ for (i = 0; i < adapter->nlifs; i++) {
+ lif = adapter->lifs[i];
+ rte_eth_dev_destroy(lif->eth_dev, eth_ionic_dev_uninit);
+ }
+
+ rte_free(adapter);
+ }
+
return 0;
}
git.droids-corp.org / dpdk.git / blobdiff