New upstream version 16.11.8
[deb_dpdk.git] / drivers / net / i40e / i40e_ethdev_vf.c
index ba63a7f..0ffd9f3 100644 (file)
@@ -68,7 +68,6 @@
 #include "i40e_ethdev.h"
 #include "i40e_pf.h"
 #define I40EVF_VSI_DEFAULT_MSIX_INTR     1
-#define I40EVF_VSI_DEFAULT_MSIX_INTR_LNX 0
 
 /* busy wait delay in msec */
 #define I40EVF_BUSY_WAIT_DELAY 10
@@ -176,11 +175,11 @@ static const struct rte_i40evf_xstats_name_off rte_i40evf_stats_strings[] = {
        {"rx_unknown_protocol_packets", offsetof(struct i40e_eth_stats,
                rx_unknown_protocol)},
        {"tx_bytes", offsetof(struct i40e_eth_stats, tx_bytes)},
-       {"tx_unicast_packets", offsetof(struct i40e_eth_stats, tx_bytes)},
-       {"tx_multicast_packets", offsetof(struct i40e_eth_stats, tx_bytes)},
-       {"tx_broadcast_packets", offsetof(struct i40e_eth_stats, tx_bytes)},
-       {"tx_dropped_packets", offsetof(struct i40e_eth_stats, tx_bytes)},
-       {"tx_error_packets", offsetof(struct i40e_eth_stats, tx_bytes)},
+       {"tx_unicast_packets", offsetof(struct i40e_eth_stats, tx_unicast)},
+       {"tx_multicast_packets", offsetof(struct i40e_eth_stats, tx_multicast)},
+       {"tx_broadcast_packets", offsetof(struct i40e_eth_stats, tx_broadcast)},
+       {"tx_dropped_packets", offsetof(struct i40e_eth_stats, tx_discards)},
+       {"tx_error_packets", offsetof(struct i40e_eth_stats, tx_errors)},
 };
 
 #define I40EVF_NB_XSTATS (sizeof(rte_i40evf_stats_strings) / \
@@ -361,6 +360,7 @@ i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args)
                err = -1;
                do {
                        ret = i40evf_read_pfmsg(dev, &info);
+                       vf->cmd_retval = info.result;
                        if (ret == I40EVF_MSG_CMD) {
                                err = 0;
                                break;
@@ -722,11 +722,12 @@ i40evf_config_irq_map(struct rte_eth_dev *dev)
        uint32_t vector_id;
        int i, err;
 
-       if (rte_intr_allow_others(intr_handle)) {
+       if (dev->data->dev_conf.intr_conf.rxq != 0 &&
+           rte_intr_allow_others(intr_handle)) {
                if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
                        vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR;
                else
-                       vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR_LNX;
+                       vector_id = I40E_RX_VEC_START;
        } else {
                vector_id = I40E_MISC_VEC_ID;
        }
@@ -858,7 +859,7 @@ i40evf_add_mac_addr(struct rte_eth_dev *dev,
        int err;
        struct vf_cmd_info args;
 
-       if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) {
+       if (is_zero_ether_addr(addr)) {
                PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x",
                            addr->addr_bytes[0], addr->addr_bytes[1],
                            addr->addr_bytes[2], addr->addr_bytes[3],
@@ -951,21 +952,79 @@ i40evf_update_stats(struct rte_eth_dev *dev, struct i40e_eth_stats **pstats)
        return 0;
 }
 
+static void
+i40evf_stat_update_48(uint64_t *offset,
+                  uint64_t *stat)
+{
+       if (*stat >= *offset)
+               *stat = *stat - *offset;
+       else
+               *stat = (uint64_t)((*stat +
+                       ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
+
+       *stat &= I40E_48_BIT_MASK;
+}
+
+static void
+i40evf_stat_update_32(uint64_t *offset,
+                  uint64_t *stat)
+{
+       if (*stat >= *offset)
+               *stat = (uint64_t)(*stat - *offset);
+       else
+               *stat = (uint64_t)((*stat +
+                       ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
+}
+
+static void
+i40evf_update_vsi_stats(struct i40e_vsi *vsi,
+                                       struct i40e_eth_stats *nes)
+{
+       struct i40e_eth_stats *oes = &vsi->eth_stats_offset;
+
+       i40evf_stat_update_48(&oes->rx_bytes,
+                           &nes->rx_bytes);
+       i40evf_stat_update_48(&oes->rx_unicast,
+                           &nes->rx_unicast);
+       i40evf_stat_update_48(&oes->rx_multicast,
+                           &nes->rx_multicast);
+       i40evf_stat_update_48(&oes->rx_broadcast,
+                           &nes->rx_broadcast);
+       i40evf_stat_update_32(&oes->rx_discards,
+                               &nes->rx_discards);
+       i40evf_stat_update_32(&oes->rx_unknown_protocol,
+                           &nes->rx_unknown_protocol);
+       i40evf_stat_update_48(&oes->tx_bytes,
+                           &nes->tx_bytes);
+       i40evf_stat_update_48(&oes->tx_unicast,
+                           &nes->tx_unicast);
+       i40evf_stat_update_48(&oes->tx_multicast,
+                           &nes->tx_multicast);
+       i40evf_stat_update_48(&oes->tx_broadcast,
+                           &nes->tx_broadcast);
+       i40evf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
+       i40evf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
+}
+
 static int
 i40evf_get_statics(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 {
        int ret;
        struct i40e_eth_stats *pstats = NULL;
+       struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+       struct i40e_vsi *vsi = &vf->vsi;
 
        ret = i40evf_update_stats(dev, &pstats);
        if (ret != 0)
                return 0;
 
+       i40evf_update_vsi_stats(vsi, pstats);
+
        stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
                                                pstats->rx_broadcast;
        stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
                                                pstats->tx_unicast;
-       stats->ierrors = pstats->rx_discards;
+       stats->imissed = pstats->rx_discards;
        stats->oerrors = pstats->tx_errors + pstats->tx_discards;
        stats->ibytes = pstats->rx_bytes;
        stats->obytes = pstats->tx_bytes;
@@ -976,14 +1035,16 @@ i40evf_get_statics(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 static void
 i40evf_dev_xstats_reset(struct rte_eth_dev *dev)
 {
+       int ret;
        struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
        struct i40e_eth_stats *pstats = NULL;
 
        /* read stat values to clear hardware registers */
-       i40evf_update_stats(dev, &pstats);
+       ret = i40evf_update_stats(dev, &pstats);
 
        /* set stats offset base on current values */
-       vf->vsi.eth_stats_offset = vf->vsi.eth_stats;
+       if (ret == 0)
+               vf->vsi.eth_stats_offset = *pstats;
 }
 
 static int i40evf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
@@ -1007,6 +1068,8 @@ static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
        int ret;
        unsigned i;
        struct i40e_eth_stats *pstats = NULL;
+       struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
+       struct i40e_vsi *vsi = &vf->vsi;
 
        if (n < I40EVF_NB_XSTATS)
                return I40EVF_NB_XSTATS;
@@ -1018,6 +1081,8 @@ static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
        if (!xstats)
                return 0;
 
+       i40evf_update_vsi_stats(vsi, pstats);
+
        /* loop over xstats array and values from pstats */
        for (i = 0; i < I40EVF_NB_XSTATS; i++) {
                xstats[i].id = i;
@@ -1183,7 +1248,7 @@ i40evf_init_vf(struct rte_eth_dev *dev)
        struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
        struct ether_addr *p_mac_addr;
        uint16_t interval =
-               i40e_calc_itr_interval(I40E_QUEUE_ITR_INTERVAL_MAX);
+               i40e_calc_itr_interval(I40E_QUEUE_ITR_INTERVAL_MAX, 0);
 
        vf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
        vf->dev_data = dev->data;
@@ -1209,29 +1274,29 @@ i40evf_init_vf(struct rte_eth_dev *dev)
        /* VF reset, shutdown admin queue and initialize again */
        if (i40e_shutdown_adminq(hw) != I40E_SUCCESS) {
                PMD_INIT_LOG(ERR, "i40e_shutdown_adminq failed");
-               return -1;
+               goto err;
        }
 
        i40e_init_adminq_parameter(hw);
        if (i40e_init_adminq(hw) != I40E_SUCCESS) {
                PMD_INIT_LOG(ERR, "init_adminq failed");
-               return -1;
+               goto err;
        }
        vf->aq_resp = rte_zmalloc("vf_aq_resp", I40E_AQ_BUF_SZ, 0);
        if (!vf->aq_resp) {
                PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
-                       goto err_aq;
+               goto err_aq;
        }
        if (i40evf_check_api_version(dev) != 0) {
                PMD_INIT_LOG(ERR, "check_api version failed");
-               goto err_aq;
+               goto err_api;
        }
        bufsz = sizeof(struct i40e_virtchnl_vf_resource) +
                (I40E_MAX_VF_VSI * sizeof(struct i40e_virtchnl_vsi_resource));
        vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
        if (!vf->vf_res) {
                PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
-                       goto err_aq;
+               goto err_api;
        }
 
        if (i40evf_get_vf_resource(dev) != 0) {
@@ -1278,6 +1343,9 @@ i40evf_init_vf(struct rte_eth_dev *dev)
 
 err_alloc:
        rte_free(vf->vf_res);
+       vf->vsi_res = NULL;
+err_api:
+       rte_free(vf->aq_resp);
 err_aq:
        i40e_shutdown_adminq(hw); /* ignore error */
 err:
@@ -1314,7 +1382,7 @@ i40evf_handle_pf_event(__rte_unused struct rte_eth_dev *dev,
        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");
@@ -1336,8 +1404,9 @@ i40evf_handle_aq_msg(struct rte_eth_dev *dev)
        struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
        struct i40e_arq_event_info info;
-       struct i40e_virtchnl_msg *v_msg;
-       uint16_t pending, opcode;
+       uint16_t pending, aq_opc;
+       enum i40e_virtchnl_ops msg_opc;
+       enum i40e_status_code msg_ret;
        int ret;
 
        info.buf_len = I40E_AQ_BUF_SZ;
@@ -1346,7 +1415,6 @@ i40evf_handle_aq_msg(struct rte_eth_dev *dev)
                return;
        }
        info.msg_buf = vf->aq_resp;
-       v_msg = (struct i40e_virtchnl_msg *)&info.desc;
 
        pending = 1;
        while (pending) {
@@ -1357,32 +1425,39 @@ i40evf_handle_aq_msg(struct rte_eth_dev *dev)
                                    "ret: %d", ret);
                        break;
                }
-               opcode = rte_le_to_cpu_16(info.desc.opcode);
-
-               switch (opcode) {
+               aq_opc = rte_le_to_cpu_16(info.desc.opcode);
+               /* For the message sent from pf to vf, opcode is stored in
+                * cookie_high of struct i40e_aq_desc, while return error code
+                * are stored in cookie_low, Which is done by
+                * i40e_aq_send_msg_to_vf in PF driver.*/
+               msg_opc = (enum i40e_virtchnl_ops)rte_le_to_cpu_32(
+                                                 info.desc.cookie_high);
+               msg_ret = (enum i40e_status_code)rte_le_to_cpu_32(
+                                                 info.desc.cookie_low);
+               switch (aq_opc) {
                case i40e_aqc_opc_send_msg_to_vf:
-                       if (v_msg->v_opcode == I40E_VIRTCHNL_OP_EVENT)
+                       if (msg_opc == I40E_VIRTCHNL_OP_EVENT)
                                /* process event*/
                                i40evf_handle_pf_event(dev, info.msg_buf,
                                                       info.msg_len);
                        else {
                                /* read message and it's expected one */
-                               if (v_msg->v_opcode == vf->pend_cmd) {
-                                       vf->cmd_retval = v_msg->v_retval;
+                               if (msg_opc == vf->pend_cmd) {
+                                       vf->cmd_retval = msg_ret;
                                        /* prevent compiler reordering */
                                        rte_compiler_barrier();
                                        _clear_cmd(vf);
                                } else
                                        PMD_DRV_LOG(ERR, "command mismatch,"
                                                "expect %u, get %u",
-                                               vf->pend_cmd, v_msg->v_opcode);
+                                               vf->pend_cmd, msg_opc);
                                PMD_DRV_LOG(DEBUG, "adminq response is received,"
-                                            " opcode = %d\n", v_msg->v_opcode);
+                                            " opcode = %d\n", msg_opc);
                        }
                        break;
                default:
                        PMD_DRV_LOG(ERR, "Request %u is not supported yet",
-                                   opcode);
+                                   aq_opc);
                        break;
                }
        }
@@ -1431,7 +1506,6 @@ i40evf_dev_interrupt_handler(__rte_unused struct rte_intr_handle *handle,
 
 done:
        i40evf_enable_irq0(hw);
-       rte_intr_enable(&dev->pci_dev->intr_handle);
 }
 
 static int
@@ -1527,38 +1601,18 @@ 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, i40evf);
-DRIVER_REGISTER_PCI_TABLE(i40evf, pci_id_i40evf_map);
+RTE_PMD_REGISTER_PCI(net_i40e_vf, rte_i40evf_pmd.pci_drv);
+RTE_PMD_REGISTER_PCI_TABLE(net_i40e_vf, pci_id_i40evf_map);
 
 static int
 i40evf_dev_configure(struct rte_eth_dev *dev)
@@ -1934,7 +1988,7 @@ i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
        struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
        struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        uint16_t interval =
-               i40e_calc_itr_interval(RTE_LIBRTE_I40E_ITR_INTERVAL);
+               i40e_calc_itr_interval(RTE_LIBRTE_I40E_ITR_INTERVAL, 0);
        uint16_t msix_intr;
 
        msix_intr = intr_handle->intr_vec[queue_id];
@@ -2009,6 +2063,10 @@ i40evf_add_del_all_mac_addr(struct rte_eth_dev *dev, bool add)
                }
 
                list = rte_zmalloc("i40evf_del_mac_buffer", len, 0);
+               if (!list) {
+                       PMD_DRV_LOG(ERR, "fail to allocate memory");
+                       return;
+               }
 
                for (i = begin; i < next_begin; i++) {
                        addr = &dev->data->mac_addrs[i];
@@ -2057,7 +2115,8 @@ i40evf_dev_start(struct rte_eth_dev *dev)
                                        dev->data->nb_tx_queues);
 
        /* check and configure queue intr-vector mapping */
-       if (dev->data->dev_conf.intr_conf.rxq != 0) {
+       if (rte_intr_cap_multiple(intr_handle) &&
+           dev->data->dev_conf.intr_conf.rxq) {
                intr_vector = dev->data->nb_rx_queues;
                if (rte_intr_efd_enable(intr_handle, intr_vector))
                        return -1;
@@ -2098,7 +2157,20 @@ i40evf_dev_start(struct rte_eth_dev *dev)
                goto err_mac;
        }
 
+       /* When a VF port is bound to VFIO-PCI, only miscellaneous interrupt
+        * is mapped to VFIO vector 0 in i40evf_dev_init( ).
+        * If previous VFIO interrupt mapping set in i40evf_dev_init( ) is
+        * not cleared, it will fail when rte_intr_enable( ) tries to map Rx
+        * queue interrupt to other VFIO vectors.
+        * So clear uio/vfio intr/evevnfd first to avoid failure.
+        */
+       if (dev->data->dev_conf.intr_conf.rxq != 0) {
+               rte_intr_disable(intr_handle);
+               rte_intr_enable(intr_handle);
+       }
+
        i40evf_enable_queues_intr(dev);
+
        return 0;
 
 err_mac:
@@ -2154,6 +2226,9 @@ i40evf_dev_link_update(struct rte_eth_dev *dev,
        case I40E_LINK_SPEED_20GB:
                new_link.link_speed = ETH_SPEED_NUM_20G;
                break;
+       case I40E_LINK_SPEED_25GB:
+               new_link.link_speed = ETH_SPEED_NUM_25G;
+               break;
        case I40E_LINK_SPEED_40GB:
                new_link.link_speed = ETH_SPEED_NUM_40G;
                break;
@@ -2165,6 +2240,8 @@ i40evf_dev_link_update(struct rte_eth_dev *dev,
        new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
        new_link.link_status = vf->link_up ? ETH_LINK_UP :
                                             ETH_LINK_DOWN;
+       new_link.link_autoneg =
+               dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED;
 
        i40evf_dev_atomic_write_link_status(dev, &new_link);
 
@@ -2236,7 +2313,6 @@ i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 {
        struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 
-       memset(dev_info, 0, sizeof(*dev_info));
        dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
        dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
        dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
@@ -2539,8 +2615,11 @@ 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);
@@ -2556,7 +2635,10 @@ 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);
@@ -2617,7 +2699,9 @@ 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;