diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf.h | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_ethtool.c | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_main.c | 25 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/iavf/iavf_virtchnl.c | 88 |
4 files changed, 120 insertions, 21 deletions
diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h index bcd11b4b29df..2d4ce6fdba1a 100644 --- a/drivers/net/ethernet/intel/iavf/iavf.h +++ b/drivers/net/ethernet/intel/iavf/iavf.h @@ -87,6 +87,10 @@ struct iavf_vsi { #define IAVF_HLUT_ARRAY_SIZE ((IAVF_VFQF_HLUT_MAX_INDEX + 1) * 4) #define IAVF_MBPS_DIVISOR 125000 /* divisor to convert to Mbps */ +#define IAVF_VIRTCHNL_VF_RESOURCE_SIZE (sizeof(struct virtchnl_vf_resource) + \ + (IAVF_MAX_VF_VSI * \ + sizeof(struct virtchnl_vsi_resource))) + /* MAX_MSIX_Q_VECTORS of these are allocated, * but we only use one per queue-specific vector. */ @@ -306,6 +310,14 @@ struct iavf_adapter { bool netdev_registered; bool link_up; enum virtchnl_link_speed link_speed; + /* This is only populated if the VIRTCHNL_VF_CAP_ADV_LINK_SPEED is set + * in vf_res->vf_cap_flags. Use ADV_LINK_SUPPORT macro to determine if + * this field is valid. This field should be used going forward and the + * enum virtchnl_link_speed above should be considered the legacy way of + * storing/communicating link speeds. + */ + u32 link_speed_mbps; + enum virtchnl_ops current_op; #define CLIENT_ALLOWED(_a) ((_a)->vf_res ? \ (_a)->vf_res->vf_cap_flags & \ @@ -322,6 +334,8 @@ struct iavf_adapter { VIRTCHNL_VF_OFFLOAD_RSS_PF))) #define VLAN_ALLOWED(_a) ((_a)->vf_res->vf_cap_flags & \ VIRTCHNL_VF_OFFLOAD_VLAN) +#define ADV_LINK_SUPPORT(_a) ((_a)->vf_res->vf_cap_flags & \ + VIRTCHNL_VF_CAP_ADV_LINK_SPEED) struct virtchnl_vf_resource *vf_res; /* incl. all VSIs */ struct virtchnl_vsi_resource *vsi_res; /* our LAN VSI */ struct virtchnl_version_info pf_version; diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c index 2c39d46b6138..40a3fc7c5ea5 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c +++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c @@ -278,7 +278,18 @@ static int iavf_get_link_ksettings(struct net_device *netdev, ethtool_link_ksettings_zero_link_mode(cmd, supported); cmd->base.autoneg = AUTONEG_DISABLE; cmd->base.port = PORT_NONE; - /* Set speed and duplex */ + cmd->base.duplex = DUPLEX_FULL; + + if (ADV_LINK_SUPPORT(adapter)) { + if (adapter->link_speed_mbps && + adapter->link_speed_mbps < U32_MAX) + cmd->base.speed = adapter->link_speed_mbps; + else + cmd->base.speed = SPEED_UNKNOWN; + + return 0; + } + switch (adapter->link_speed) { case IAVF_LINK_SPEED_40GB: cmd->base.speed = SPEED_40000; @@ -306,7 +317,6 @@ static int iavf_get_link_ksettings(struct net_device *netdev, default: break; } - cmd->base.duplex = DUPLEX_FULL; return 0; } diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 2050649848ba..a21ae74bcd1b 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -1756,17 +1756,17 @@ static int iavf_init_get_resources(struct iavf_adapter *adapter) struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; struct iavf_hw *hw = &adapter->hw; - int err = 0, bufsz; + int err; WARN_ON(adapter->state != __IAVF_INIT_GET_RESOURCES); /* aq msg sent, awaiting reply */ if (!adapter->vf_res) { - bufsz = sizeof(struct virtchnl_vf_resource) + - (IAVF_MAX_VF_VSI * - sizeof(struct virtchnl_vsi_resource)); - adapter->vf_res = kzalloc(bufsz, GFP_KERNEL); - if (!adapter->vf_res) + adapter->vf_res = kzalloc(IAVF_VIRTCHNL_VF_RESOURCE_SIZE, + GFP_KERNEL); + if (!adapter->vf_res) { + err = -ENOMEM; goto err; + } } err = iavf_get_vf_config(adapter); if (err == IAVF_ERR_ADMIN_QUEUE_NO_WORK) { @@ -2036,7 +2036,7 @@ static void iavf_disable_vf(struct iavf_adapter *adapter) iavf_reset_interrupt_capability(adapter); iavf_free_queues(adapter); iavf_free_q_vectors(adapter); - kfree(adapter->vf_res); + memset(adapter->vf_res, 0, IAVF_VIRTCHNL_VF_RESOURCE_SIZE); iavf_shutdown_adminq(&adapter->hw); adapter->netdev->flags &= ~IFF_UP; clear_bit(__IAVF_IN_CRITICAL_TASK, &adapter->crit_section); @@ -2487,6 +2487,16 @@ static int iavf_validate_tx_bandwidth(struct iavf_adapter *adapter, { int speed = 0, ret = 0; + if (ADV_LINK_SUPPORT(adapter)) { + if (adapter->link_speed_mbps < U32_MAX) { + speed = adapter->link_speed_mbps; + goto validate_bw; + } else { + dev_err(&adapter->pdev->dev, "Unknown link speed\n"); + return -EINVAL; + } + } + switch (adapter->link_speed) { case IAVF_LINK_SPEED_40GB: speed = 40000; @@ -2510,6 +2520,7 @@ static int iavf_validate_tx_bandwidth(struct iavf_adapter *adapter, break; } +validate_bw: if (max_tx_rate > speed) { dev_err(&adapter->pdev->dev, "Invalid tx rate specified\n"); diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c index d58374c2c33d..ca79bec4ebd9 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c +++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c @@ -139,7 +139,8 @@ int iavf_send_vf_config_msg(struct iavf_adapter *adapter) VIRTCHNL_VF_OFFLOAD_ENCAP | VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM | VIRTCHNL_VF_OFFLOAD_REQ_QUEUES | - VIRTCHNL_VF_OFFLOAD_ADQ; + VIRTCHNL_VF_OFFLOAD_ADQ | + VIRTCHNL_VF_CAP_ADV_LINK_SPEED; adapter->current_op = VIRTCHNL_OP_GET_VF_RESOURCES; adapter->aq_required &= ~IAVF_FLAG_AQ_GET_CONFIG; @@ -891,6 +892,8 @@ void iavf_disable_vlan_stripping(struct iavf_adapter *adapter) iavf_send_pf_msg(adapter, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING, NULL, 0); } +#define IAVF_MAX_SPEED_STRLEN 13 + /** * iavf_print_link_message - print link up or down * @adapter: adapter structure @@ -900,37 +903,99 @@ void iavf_disable_vlan_stripping(struct iavf_adapter *adapter) static void iavf_print_link_message(struct iavf_adapter *adapter) { struct net_device *netdev = adapter->netdev; - char *speed = "Unknown "; + int link_speed_mbps; + char *speed; if (!adapter->link_up) { netdev_info(netdev, "NIC Link is Down\n"); return; } + speed = kcalloc(1, IAVF_MAX_SPEED_STRLEN, GFP_KERNEL); + if (!speed) + return; + + if (ADV_LINK_SUPPORT(adapter)) { + link_speed_mbps = adapter->link_speed_mbps; + goto print_link_msg; + } + switch (adapter->link_speed) { case IAVF_LINK_SPEED_40GB: - speed = "40 G"; + link_speed_mbps = SPEED_40000; break; case IAVF_LINK_SPEED_25GB: - speed = "25 G"; + link_speed_mbps = SPEED_25000; break; case IAVF_LINK_SPEED_20GB: - speed = "20 G"; + link_speed_mbps = SPEED_20000; break; case IAVF_LINK_SPEED_10GB: - speed = "10 G"; + link_speed_mbps = SPEED_10000; break; case IAVF_LINK_SPEED_1GB: - speed = "1000 M"; + link_speed_mbps = SPEED_1000; break; case IAVF_LINK_SPEED_100MB: - speed = "100 M"; + link_speed_mbps = SPEED_100; break; default: + link_speed_mbps = SPEED_UNKNOWN; break; } - netdev_info(netdev, "NIC Link is Up %sbps Full Duplex\n", speed); +print_link_msg: + if (link_speed_mbps > SPEED_1000) { + if (link_speed_mbps == SPEED_2500) + snprintf(speed, IAVF_MAX_SPEED_STRLEN, "2.5 Gbps"); + else + /* convert to Gbps inline */ + snprintf(speed, IAVF_MAX_SPEED_STRLEN, "%d %s", + link_speed_mbps / 1000, "Gbps"); + } else if (link_speed_mbps == SPEED_UNKNOWN) { + snprintf(speed, IAVF_MAX_SPEED_STRLEN, "%s", "Unknown Mbps"); + } else { + snprintf(speed, IAVF_MAX_SPEED_STRLEN, "%u %s", + link_speed_mbps, "Mbps"); + } + + netdev_info(netdev, "NIC Link is Up Speed is %s Full Duplex\n", speed); + kfree(speed); +} + +/** + * iavf_get_vpe_link_status + * @adapter: adapter structure + * @vpe: virtchnl_pf_event structure + * + * Helper function for determining the link status + **/ +static bool +iavf_get_vpe_link_status(struct iavf_adapter *adapter, + struct virtchnl_pf_event *vpe) +{ + if (ADV_LINK_SUPPORT(adapter)) + return vpe->event_data.link_event_adv.link_status; + else + return vpe->event_data.link_event.link_status; +} + +/** + * iavf_set_adapter_link_speed_from_vpe + * @adapter: adapter structure for which we are setting the link speed + * @vpe: virtchnl_pf_event structure that contains the link speed we are setting + * + * Helper function for setting iavf_adapter link speed + **/ +static void +iavf_set_adapter_link_speed_from_vpe(struct iavf_adapter *adapter, + struct virtchnl_pf_event *vpe) +{ + if (ADV_LINK_SUPPORT(adapter)) + adapter->link_speed_mbps = + vpe->event_data.link_event_adv.link_speed; + else + adapter->link_speed = vpe->event_data.link_event.link_speed; } /** @@ -1160,12 +1225,11 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter, if (v_opcode == VIRTCHNL_OP_EVENT) { struct virtchnl_pf_event *vpe = (struct virtchnl_pf_event *)msg; - bool link_up = vpe->event_data.link_event.link_status; + bool link_up = iavf_get_vpe_link_status(adapter, vpe); switch (vpe->event) { case VIRTCHNL_EVENT_LINK_CHANGE: - adapter->link_speed = - vpe->event_data.link_event.link_speed; + iavf_set_adapter_link_speed_from_vpe(adapter, vpe); /* we've already got the right link status, bail */ if (adapter->link_up == link_up) |