New upstream version 16.11.4
[deb_dpdk.git] / drivers / net / i40e / i40e_ethdev_vf.c
index efd4fac..1686914 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
@@ -723,11 +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;
        }
@@ -859,7 +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],
@@ -952,16 +952,74 @@ 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 +
@@ -984,7 +1042,7 @@ i40evf_dev_xstats_reset(struct rte_eth_dev *dev)
        i40evf_update_stats(dev, &pstats);
 
        /* set stats offset base on current values */
-       vf->vsi.eth_stats_offset = vf->vsi.eth_stats;
+       vf->vsi.eth_stats_offset = *pstats;
 }
 
 static int i40evf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
@@ -1008,6 +1066,8 @@ 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;
@@ -1019,6 +1079,8 @@ 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;
@@ -1210,29 +1272,29 @@ 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) {
@@ -1279,6 +1341,9 @@ 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:
@@ -1439,7 +1504,6 @@ 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
@@ -2090,7 +2154,20 @@ 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:
@@ -2160,6 +2237,8 @@ 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);