drivers: advertise kmod dependencies in pmdinfo
[dpdk.git] / drivers / net / i40e / i40e_ethdev_vf.c
index 91df13b..7869b9b 100644 (file)
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -111,7 +111,10 @@ static int i40evf_dev_link_update(struct rte_eth_dev *dev,
 static void i40evf_dev_stats_get(struct rte_eth_dev *dev,
                                struct rte_eth_stats *stats);
 static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
-                                struct rte_eth_xstats *xstats, unsigned n);
+                                struct rte_eth_xstat *xstats, unsigned n);
+static int i40evf_dev_xstats_get_names(struct rte_eth_dev *dev,
+                                      struct rte_eth_xstat_name *xstats_names,
+                                      unsigned limit);
 static void i40evf_dev_xstats_reset(struct rte_eth_dev *dev);
 static int i40evf_vlan_filter_set(struct rte_eth_dev *dev,
                                  uint16_t vlan_id, int on);
@@ -123,8 +126,6 @@ static void i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev);
 static void i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev);
 static void i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev);
 static void i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev);
-static int i40evf_get_link_status(struct rte_eth_dev *dev,
-                                 struct rte_eth_link *link);
 static int i40evf_init_vlan(struct rte_eth_dev *dev);
 static int i40evf_dev_rx_queue_start(struct rte_eth_dev *dev,
                                     uint16_t rx_queue_id);
@@ -196,6 +197,7 @@ static const struct eth_dev_ops i40evf_eth_dev_ops = {
        .link_update          = i40evf_dev_link_update,
        .stats_get            = i40evf_dev_stats_get,
        .xstats_get           = i40evf_dev_xstats_get,
+       .xstats_get_names     = i40evf_dev_xstats_get_names,
        .xstats_reset         = i40evf_dev_xstats_reset,
        .dev_close            = i40evf_dev_close,
        .dev_infos_get        = i40evf_dev_info_get,
@@ -214,6 +216,9 @@ static const struct eth_dev_ops i40evf_eth_dev_ops = {
        .rx_descriptor_done   = i40e_dev_rx_descriptor_done,
        .tx_queue_setup       = i40e_dev_tx_queue_setup,
        .tx_queue_release     = i40e_dev_tx_queue_release,
+       .rx_queue_count       = i40e_dev_rx_queue_count,
+       .rxq_info_get         = i40e_rxq_info_get,
+       .txq_info_get         = i40e_txq_info_get,
        .mac_addr_add         = i40evf_add_mac_addr,
        .mac_addr_remove      = i40evf_del_mac_addr,
        .reta_update          = i40evf_dev_rss_reta_update,
@@ -258,6 +263,8 @@ i40evf_read_pfmsg(struct rte_eth_dev *dev, struct i40evf_arq_msg_info *data)
                case I40E_VIRTCHNL_EVENT_LINK_CHANGE:
                        vf->link_up =
                                vpe->event_data.link_event.link_status;
+                       vf->link_speed =
+                               vpe->event_data.link_event.link_speed;
                        vf->pend_msg |= PFMSG_LINK_CHANGE;
                        PMD_DRV_LOG(INFO, "Link status update:%s",
                                    vf->link_up ? "up" : "down");
@@ -325,8 +332,7 @@ i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args)
        struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
        struct i40evf_arq_msg_info info;
        enum i40evf_aq_result ret;
-       int err = -1;
-       int i = 0;
+       int err, i = 0;
 
        if (_atomic_set_cmd(vf, args->ops))
                return -1;
@@ -347,19 +353,19 @@ i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args)
        switch (args->ops) {
        case I40E_VIRTCHNL_OP_RESET_VF:
                /*no need to process in this function */
+               err = 0;
                break;
        case I40E_VIRTCHNL_OP_VERSION:
        case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
                /* for init adminq commands, need to poll the response */
+               err = -1;
                do {
                        ret = i40evf_read_pfmsg(dev, &info);
                        if (ret == I40EVF_MSG_CMD) {
                                err = 0;
                                break;
-                       } else if (ret == I40EVF_MSG_ERR) {
-                               err = -1;
+                       } else if (ret == I40EVF_MSG_ERR)
                                break;
-                       }
                        rte_delay_ms(ASQ_DELAY_MS);
                        /* If don't read msg or read sys event, continue */
                } while (i++ < MAX_TRY_TIMES);
@@ -368,6 +374,7 @@ i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args)
 
        default:
                /* for other adminq in running time, waiting the cmd done flag */
+               err = -1;
                do {
                        if (vf->pend_cmd == I40E_VIRTCHNL_OP_UNKNOWN) {
                                err = 0;
@@ -536,7 +543,7 @@ i40evf_config_vlan_pvid(struct rte_eth_dev *dev,
        struct vf_cmd_info args;
        struct i40e_virtchnl_pvid_info tpid_info;
 
-       if (dev == NULL || info == NULL) {
+       if (info == NULL) {
                PMD_DRV_LOG(ERR, "invalid parameters");
                return I40E_ERR_PARAM;
        }
@@ -979,8 +986,23 @@ i40evf_dev_xstats_reset(struct rte_eth_dev *dev)
        vf->vsi.eth_stats_offset = vf->vsi.eth_stats;
 }
 
+static int i40evf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
+                                     struct rte_eth_xstat_name *xstats_names,
+                                     __rte_unused unsigned limit)
+{
+       unsigned i;
+
+       if (xstats_names != NULL)
+               for (i = 0; i < I40EVF_NB_XSTATS; i++) {
+                       snprintf(xstats_names[i].name,
+                               sizeof(xstats_names[i].name),
+                               "%s", rte_i40evf_stats_strings[i].name);
+               }
+       return I40EVF_NB_XSTATS;
+}
+
 static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
-                                struct rte_eth_xstats *xstats, unsigned n)
+                                struct rte_eth_xstat *xstats, unsigned n)
 {
        int ret;
        unsigned i;
@@ -998,8 +1020,7 @@ static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
 
        /* loop over xstats array and values from pstats */
        for (i = 0; i < I40EVF_NB_XSTATS; i++) {
-               snprintf(xstats[i].name, sizeof(xstats[i].name),
-                        "%s", rte_i40evf_stats_strings[i].name);
+               xstats[i].id = i;
                xstats[i].value = *(uint64_t *)(((char *)pstats) +
                        rte_i40evf_stats_strings[i].offset);
        }
@@ -1061,35 +1082,13 @@ i40evf_del_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
        return err;
 }
 
-static int
-i40evf_get_link_status(struct rte_eth_dev *dev, struct rte_eth_link *link)
-{
-       struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-       int err;
-       struct vf_cmd_info args;
-       struct rte_eth_link *new_link;
-
-       args.ops = (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_GET_LINK_STAT;
-       args.in_args = NULL;
-       args.in_args_size = 0;
-       args.out_buffer = vf->aq_resp;
-       args.out_size = I40E_AQ_BUF_SZ;
-       err = i40evf_execute_vf_cmd(dev, &args);
-       if (err) {
-               PMD_DRV_LOG(ERR, "fail to execute command OP_GET_LINK_STAT");
-               return err;
-       }
-
-       new_link = (struct rte_eth_link *)args.out_buffer;
-       (void)rte_memcpy(link, new_link, sizeof(*link));
-
-       return 0;
-}
-
 static const struct rte_pci_id pci_id_i40evf_map[] = {
-#define RTE_PCI_DEV_ID_DECL_I40EVF(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
-#include "rte_pci_dev_ids.h"
-{ .vendor_id = 0, /* sentinel */ },
+       { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF) },
+       { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF_HV) },
+       { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_A0_VF) },
+       { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_VF) },
+       { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_VF_HV) },
+       { .vendor_id = 0, /* sentinel */ },
 };
 
 static inline int
@@ -1310,14 +1309,17 @@ i40evf_handle_pf_event(__rte_unused struct rte_eth_dev *dev,
 {
        struct i40e_virtchnl_pf_event *pf_msg =
                        (struct i40e_virtchnl_pf_event *)msg;
+       struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 
        switch (pf_msg->event) {
        case I40E_VIRTCHNL_EVENT_RESET_IMPENDING:
                PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event\n");
-               _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET);
+               _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET, NULL);
                break;
        case I40E_VIRTCHNL_EVENT_LINK_CHANGE:
                PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event\n");
+               vf->link_up = pf_msg->event_data.link_event.link_status;
+               vf->link_speed = pf_msg->event_data.link_event.link_speed;
                break;
        case I40E_VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
                PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event\n");
@@ -1525,43 +1527,27 @@ i40evf_dev_uninit(struct rte_eth_dev *eth_dev)
  */
 static struct eth_driver rte_i40evf_pmd = {
        .pci_drv = {
-               .name = "rte_i40evf_pmd",
                .id_table = pci_id_i40evf_map,
                .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_DETACHABLE,
+               .probe = rte_eth_dev_pci_probe,
+               .remove = rte_eth_dev_pci_remove,
        },
        .eth_dev_init = i40evf_dev_init,
        .eth_dev_uninit = i40evf_dev_uninit,
        .dev_private_size = sizeof(struct i40e_adapter),
 };
 
-/*
- * VF Driver initialization routine.
- * Invoked one at EAL init time.
- * Register itself as the [Virtual Poll Mode] Driver of PCI Fortville devices.
- */
-static int
-rte_i40evf_pmd_init(const char *name __rte_unused,
-                   const char *params __rte_unused)
-{
-       PMD_INIT_FUNC_TRACE();
-
-       rte_eth_driver_register(&rte_i40evf_pmd);
-
-       return 0;
-}
-
-static struct rte_driver rte_i40evf_driver = {
-       .type = PMD_PDEV,
-       .init = rte_i40evf_pmd_init,
-};
-
-PMD_REGISTER_DRIVER(rte_i40evf_driver);
+RTE_PMD_REGISTER_PCI(net_i40e_vf, rte_i40evf_pmd.pci_drv);
+RTE_PMD_REGISTER_PCI_TABLE(net_i40e_vf, pci_id_i40evf_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_i40e_vf, "* igb_uio | vfio");
 
 static int
 i40evf_dev_configure(struct rte_eth_dev *dev)
 {
        struct i40e_adapter *ad =
                I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+       struct rte_eth_conf *conf = &dev->data->dev_conf;
+       struct i40e_vf *vf;
 
        /* Initialize to TRUE. If any of Rx queues doesn't meet the bulk
         * allocation or vector Rx preconditions we will reset it.
@@ -1571,6 +1557,19 @@ i40evf_dev_configure(struct rte_eth_dev *dev)
        ad->tx_simple_allowed = true;
        ad->tx_vec_allowed = true;
 
+       /* For non-DPDK PF drivers, VF has no ability to disable HW
+        * CRC strip, and is implicitly enabled by the PF.
+        */
+       if (!conf->rxmode.hw_strip_crc) {
+               vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+               if ((vf->version_major == I40E_VIRTCHNL_VERSION_MAJOR) &&
+                   (vf->version_minor <= I40E_VIRTCHNL_VERSION_MINOR)) {
+                       /* Peer is running non-DPDK PF driver. */
+                       PMD_INIT_LOG(ERR, "VF can't disable HW CRC Strip");
+                       return -EINVAL;
+               }
+       }
+
        return i40evf_init_vlan(dev);
 }
 
@@ -2121,14 +2120,33 @@ i40evf_dev_link_update(struct rte_eth_dev *dev,
         * DPDK pf host provide interfacet to acquire link status
         * while Linux driver does not
         */
-       if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
-               i40evf_get_link_status(dev, &new_link);
-       else {
-               /* Always assume it's up, for Linux driver PF host */
-               new_link.link_duplex = ETH_LINK_AUTONEG_DUPLEX;
-               new_link.link_speed  = ETH_LINK_SPEED_10000;
-               new_link.link_status = ETH_LINK_UP;
+
+       /* Linux driver PF host */
+       switch (vf->link_speed) {
+       case I40E_LINK_SPEED_100MB:
+               new_link.link_speed = ETH_SPEED_NUM_100M;
+               break;
+       case I40E_LINK_SPEED_1GB:
+               new_link.link_speed = ETH_SPEED_NUM_1G;
+               break;
+       case I40E_LINK_SPEED_10GB:
+               new_link.link_speed = ETH_SPEED_NUM_10G;
+               break;
+       case I40E_LINK_SPEED_20GB:
+               new_link.link_speed = ETH_SPEED_NUM_20G;
+               break;
+       case I40E_LINK_SPEED_40GB:
+               new_link.link_speed = ETH_SPEED_NUM_40G;
+               break;
+       default:
+               new_link.link_speed = ETH_SPEED_NUM_100M;
+               break;
        }
+       /* full duplex only */
+       new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
+       new_link.link_status = vf->link_up ? ETH_LINK_UP :
+                                            ETH_LINK_DOWN;
+
        i40evf_dev_atomic_write_link_status(dev, &new_link);
 
        return 0;
@@ -2315,13 +2333,16 @@ i40evf_get_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
 static int
 i40evf_set_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
 {
-       struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
-       struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
+       struct i40e_vf *vf;
+       struct i40e_hw *hw;
        int ret;
 
        if (!vsi || !lut)
                return -EINVAL;
 
+       vf = I40E_VSI_TO_VF(vsi);
+       hw = I40E_VSI_TO_HW(vsi);
+
        if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
                ret = i40e_aq_set_rss_lut(hw, vsi->vsi_id, FALSE,
                                          lut, lut_size);
@@ -2499,8 +2520,11 @@ i40evf_hw_rss_hash_set(struct i40e_vf *vf, struct rte_eth_rss_conf *rss_conf)
        rss_hf = rss_conf->rss_hf;
        hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
        hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
-       hena &= ~I40E_RSS_HENA_ALL;
-       hena |= i40e_config_hena(rss_hf);
+       if (hw->mac.type == I40E_MAC_X722)
+               hena &= ~I40E_RSS_HENA_ALL_X722;
+       else
+               hena &= ~I40E_RSS_HENA_ALL;
+       hena |= i40e_config_hena(rss_hf, hw->mac.type);
        i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
        i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
        I40EVF_WRITE_FLUSH(hw);
@@ -2516,7 +2540,10 @@ i40evf_disable_rss(struct i40e_vf *vf)
 
        hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
        hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
-       hena &= ~I40E_RSS_HENA_ALL;
+       if (hw->mac.type == I40E_MAC_X722)
+               hena &= ~I40E_RSS_HENA_ALL_X722;
+       else
+               hena &= ~I40E_RSS_HENA_ALL;
        i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
        i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
        I40EVF_WRITE_FLUSH(hw);
@@ -2577,7 +2604,9 @@ i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
 
        hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
        hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
-       if (!(hena & I40E_RSS_HENA_ALL)) { /* RSS disabled */
+       if (!(hena & ((hw->mac.type == I40E_MAC_X722)
+                ? I40E_RSS_HENA_ALL_X722
+                : I40E_RSS_HENA_ALL))) { /* RSS disabled */
                if (rss_hf != 0) /* Enable RSS */
                        return -EINVAL;
                return 0;