net/ice: fix max frame size
[dpdk.git] / drivers / net / ixgbe / ixgbe_ethdev.c
index 5a2c351..975fa47 100644 (file)
@@ -11,6 +11,7 @@
 #include <stdarg.h>
 #include <inttypes.h>
 #include <netinet/in.h>
+#include <rte_string_fns.h>
 #include <rte_byteorder.h>
 #include <rte_common.h>
 #include <rte_cycles.h>
@@ -220,6 +221,8 @@ static int ixgbe_dev_interrupt_get_status(struct rte_eth_dev *dev);
 static int ixgbe_dev_interrupt_action(struct rte_eth_dev *dev);
 static void ixgbe_dev_interrupt_handler(void *param);
 static void ixgbe_dev_interrupt_delayed_handler(void *param);
+static void ixgbe_dev_setup_link_alarm_handler(void *param);
+
 static int ixgbe_add_rar(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
                         uint32_t index, uint32_t pool);
 static void ixgbe_remove_rar(struct rte_eth_dev *dev, uint32_t index);
@@ -258,6 +261,8 @@ static int ixgbevf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev,
 static void ixgbevf_set_ivar_map(struct ixgbe_hw *hw, int8_t direction,
                                 uint8_t queue, uint8_t msix_vector);
 static void ixgbevf_configure_msix(struct rte_eth_dev *dev);
+static void ixgbevf_dev_promiscuous_enable(struct rte_eth_dev *dev);
+static void ixgbevf_dev_promiscuous_disable(struct rte_eth_dev *dev);
 static void ixgbevf_dev_allmulticast_enable(struct rte_eth_dev *dev);
 static void ixgbevf_dev_allmulticast_disable(struct rte_eth_dev *dev);
 
@@ -594,6 +599,8 @@ static const struct eth_dev_ops ixgbevf_eth_dev_ops = {
        .xstats_get_names     = ixgbevf_dev_xstats_get_names,
        .dev_close            = ixgbevf_dev_close,
        .dev_reset            = ixgbevf_dev_reset,
+       .promiscuous_enable   = ixgbevf_dev_promiscuous_enable,
+       .promiscuous_disable  = ixgbevf_dev_promiscuous_disable,
        .allmulticast_enable  = ixgbevf_dev_allmulticast_enable,
        .allmulticast_disable = ixgbevf_dev_allmulticast_disable,
        .dev_infos_get        = ixgbevf_dev_info_get,
@@ -1334,6 +1341,9 @@ eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev)
                rte_delay_ms(100);
        } while (retries++ < (10 + IXGBE_LINK_UP_TIME));
 
+       /* cancel the delay handler before remove dev */
+       rte_eal_alarm_cancel(ixgbe_dev_interrupt_delayed_handler, eth_dev);
+
        /* uninitialize PF if max_vfs not zero */
        ixgbe_pf_host_uninit(eth_dev);
 
@@ -1506,6 +1516,7 @@ ixgbevf_negotiate_api(struct ixgbe_hw *hw)
 
        /* start with highest supported, proceed down */
        static const enum ixgbe_pfvf_api_rev sup_ver[] = {
+               ixgbe_mbox_api_13,
                ixgbe_mbox_api_12,
                ixgbe_mbox_api_11,
                ixgbe_mbox_api_10,
@@ -2547,6 +2558,9 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
                return -EINVAL;
        }
 
+       /* Stop the link setup handler before resetting the HW. */
+       rte_eal_alarm_cancel(ixgbe_dev_setup_link_alarm_handler, dev);
+
        /* disable uio/vfio intr/eventfd mapping */
        rte_intr_disable(intr_handle);
 
@@ -2647,10 +2661,16 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
                goto error;
        }
 
-       /* Skip link setup if loopback mode is enabled for 82599. */
-       if (hw->mac.type == ixgbe_mac_82599EB &&
-                       dev->data->dev_conf.lpbk_mode == IXGBE_LPBK_82599_TX_RX)
-               goto skip_link_setup;
+       /* Skip link setup if loopback mode is enabled. */
+       if (dev->data->dev_conf.lpbk_mode != 0) {
+               err = ixgbe_check_supported_loopback_mode(dev);
+               if (err < 0) {
+                       PMD_INIT_LOG(ERR, "Unsupported loopback mode");
+                       goto error;
+               } else {
+                       goto skip_link_setup;
+               }
+       }
 
        if (ixgbe_is_sfp(hw) && hw->phy.multispeed_fiber) {
                err = hw->mac.ops.setup_sfp(hw);
@@ -2682,6 +2702,10 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
                allowed_speeds = ETH_LINK_SPEED_100M | ETH_LINK_SPEED_1G |
                        ETH_LINK_SPEED_2_5G |  ETH_LINK_SPEED_5G |
                        ETH_LINK_SPEED_10G;
+               if (hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T ||
+                               hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)
+                       allowed_speeds = ETH_LINK_SPEED_10M |
+                               ETH_LINK_SPEED_100M | ETH_LINK_SPEED_1G;
                break;
        default:
                allowed_speeds = ETH_LINK_SPEED_100M | ETH_LINK_SPEED_1G |
@@ -2723,14 +2747,14 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
                        speed |= IXGBE_LINK_SPEED_1GB_FULL;
                if (*link_speeds & ETH_LINK_SPEED_100M)
                        speed |= IXGBE_LINK_SPEED_100_FULL;
+               if (*link_speeds & ETH_LINK_SPEED_10M)
+                       speed |= IXGBE_LINK_SPEED_10_FULL;
        }
 
        err = ixgbe_setup_link(hw, speed, link_up);
        if (err)
                goto error;
 
-       ixgbe_dev_link_update(dev, 0);
-
 skip_link_setup:
 
        if (rte_intr_allow_others(intr_handle)) {
@@ -2766,6 +2790,12 @@ skip_link_setup:
                            "please call hierarchy_commit() "
                            "before starting the port");
 
+       /*
+        * Update link status right before return, because it may
+        * start link configuration process in a separate thread.
+        */
+       ixgbe_dev_link_update(dev, 0);
+
        return 0;
 
 error:
@@ -2781,6 +2811,8 @@ static void
 ixgbe_dev_stop(struct rte_eth_dev *dev)
 {
        struct rte_eth_link link;
+       struct ixgbe_adapter *adapter =
+               (struct ixgbe_adapter *)dev->data->dev_private;
        struct ixgbe_hw *hw =
                IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct ixgbe_vf_info *vfinfo =
@@ -2793,6 +2825,8 @@ ixgbe_dev_stop(struct rte_eth_dev *dev)
 
        PMD_INIT_FUNC_TRACE();
 
+       rte_eal_alarm_cancel(ixgbe_dev_setup_link_alarm_handler, dev);
+
        /* disable interrupts */
        ixgbe_disable_intr(hw);
 
@@ -2839,6 +2873,8 @@ ixgbe_dev_stop(struct rte_eth_dev *dev)
 
        /* reset hierarchy commit */
        tm_conf->committed = false;
+
+       adapter->rss_reta_updated = 0;
 }
 
 /*
@@ -3264,19 +3300,17 @@ static int ixgbe_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
 
                /* Extended stats from ixgbe_hw_stats */
                for (i = 0; i < IXGBE_NB_HW_STATS; i++) {
-                       snprintf(xstats_names[count].name,
-                               sizeof(xstats_names[count].name),
-                               "%s",
-                               rte_ixgbe_stats_strings[i].name);
+                       strlcpy(xstats_names[count].name,
+                               rte_ixgbe_stats_strings[i].name,
+                               sizeof(xstats_names[count].name));
                        count++;
                }
 
                /* MACsec Stats */
                for (i = 0; i < IXGBE_NB_MACSEC_STATS; i++) {
-                       snprintf(xstats_names[count].name,
-                               sizeof(xstats_names[count].name),
-                               "%s",
-                               rte_ixgbe_macsec_strings[i].name);
+                       strlcpy(xstats_names[count].name,
+                               rte_ixgbe_macsec_strings[i].name,
+                               sizeof(xstats_names[count].name));
                        count++;
                }
 
@@ -3324,19 +3358,17 @@ static int ixgbe_dev_xstats_get_names_by_id(
 
                        /* Extended stats from ixgbe_hw_stats */
                        for (i = 0; i < IXGBE_NB_HW_STATS; i++) {
-                               snprintf(xstats_names[count].name,
-                                       sizeof(xstats_names[count].name),
-                                       "%s",
-                                       rte_ixgbe_stats_strings[i].name);
+                               strlcpy(xstats_names[count].name,
+                                       rte_ixgbe_stats_strings[i].name,
+                                       sizeof(xstats_names[count].name));
                                count++;
                        }
 
                        /* MACsec Stats */
                        for (i = 0; i < IXGBE_NB_MACSEC_STATS; i++) {
-                               snprintf(xstats_names[count].name,
-                                       sizeof(xstats_names[count].name),
-                                       "%s",
-                                       rte_ixgbe_macsec_strings[i].name);
+                               strlcpy(xstats_names[count].name,
+                                       rte_ixgbe_macsec_strings[i].name,
+                                       sizeof(xstats_names[count].name));
                                count++;
                        }
 
@@ -3393,9 +3425,9 @@ static int ixgbevf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
 
        if (xstats_names != NULL)
                for (i = 0; i < IXGBEVF_NB_XSTATS; i++)
-                       snprintf(xstats_names[i].name,
-                               sizeof(xstats_names[i].name),
-                               "%s", rte_ixgbevf_stats_strings[i].name);
+                       strlcpy(xstats_names[i].name,
+                               rte_ixgbevf_stats_strings[i].name,
+                               sizeof(xstats_names[i].name));
        return IXGBEVF_NB_XSTATS;
 }
 
@@ -3719,6 +3751,8 @@ ixgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
                dev_info->max_vmdq_pools = ETH_16_POOLS;
        else
                dev_info->max_vmdq_pools = ETH_64_POOLS;
+       dev_info->max_mtu =  dev_info->max_rx_pktlen - IXGBE_ETH_OVERHEAD;
+       dev_info->min_mtu = ETHER_MIN_MTU;
        dev_info->vmdq_queue_num = dev_info->max_rx_queues;
        dev_info->rx_queue_offload_capa = ixgbe_get_rx_queue_offloads(dev);
        dev_info->rx_offload_capa = (ixgbe_get_rx_port_offloads(dev) |
@@ -3826,6 +3860,7 @@ ixgbevf_dev_info_get(struct rte_eth_dev *dev,
        dev_info->max_tx_queues = (uint16_t)hw->mac.max_tx_queues;
        dev_info->min_rx_bufsize = 1024; /* cf BSIZEPACKET in SRRCTL reg */
        dev_info->max_rx_pktlen = 9728; /* includes CRC, cf MAXFRS reg */
+       dev_info->max_mtu = dev_info->max_rx_pktlen - IXGBE_ETH_OVERHEAD;
        dev_info->max_mac_addrs = hw->mac.num_rar_entries;
        dev_info->max_hash_mac_addrs = IXGBE_VMDQ_NUM_UC_MAC;
        dev_info->max_vfs = pci_dev->max_vfs;
@@ -3869,11 +3904,6 @@ static int
 ixgbevf_check_link(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
                   int *link_up, int wait_to_complete)
 {
-       /**
-        * for a quick link status checking, wait_to_compelet == 0,
-        * skip PF link status checking
-        */
-       bool no_pflink_check = wait_to_complete == 0;
        struct ixgbe_mbx_info *mbx = &hw->mbx;
        struct ixgbe_mac_info *mac = &hw->mac;
        uint32_t links_reg, in_msg;
@@ -3934,14 +3964,6 @@ ixgbevf_check_link(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
                *speed = IXGBE_LINK_SPEED_UNKNOWN;
        }
 
-       if (no_pflink_check) {
-               if (*speed == IXGBE_LINK_SPEED_UNKNOWN)
-                       mac->get_link_status = true;
-               else
-                       mac->get_link_status = false;
-
-               goto out;
-       }
        /* if the read failed it could just be a mailbox collision, best wait
         * until we are called again and don't report an error
         */
@@ -3951,7 +3973,7 @@ ixgbevf_check_link(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
        if (!(in_msg & IXGBE_VT_MSGTYPE_CTS)) {
                /* msg is not CTS and is NACK we must have lost CTS status */
                if (in_msg & IXGBE_VT_MSGTYPE_NACK)
-                       ret_val = -1;
+                       mac->get_link_status = false;
                goto out;
        }
 
@@ -3971,6 +3993,25 @@ out:
        return ret_val;
 }
 
+static void
+ixgbe_dev_setup_link_alarm_handler(void *param)
+{
+       struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
+       struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct ixgbe_interrupt *intr =
+               IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+       u32 speed;
+       bool autoneg = false;
+
+       speed = hw->phy.autoneg_advertised;
+       if (!speed)
+               ixgbe_get_link_capabilities(hw, &speed, &autoneg);
+
+       ixgbe_setup_link(hw, speed, true);
+
+       intr->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG;
+}
+
 /* return 0 means link status changed, -1 means not changed */
 int
 ixgbe_dev_link_update_share(struct rte_eth_dev *dev,
@@ -3983,9 +4024,7 @@ ixgbe_dev_link_update_share(struct rte_eth_dev *dev,
                IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
        int link_up;
        int diag;
-       u32 speed = 0;
        int wait = 1;
-       bool autoneg = false;
 
        memset(&link, 0, sizeof(link));
        link.link_status = ETH_LINK_DOWN;
@@ -3995,13 +4034,8 @@ ixgbe_dev_link_update_share(struct rte_eth_dev *dev,
 
        hw->mac.get_link_status = true;
 
-       if ((intr->flags & IXGBE_FLAG_NEED_LINK_CONFIG) &&
-               ixgbe_get_media_type(hw) == ixgbe_media_type_fiber) {
-               speed = hw->phy.autoneg_advertised;
-               if (!speed)
-                       ixgbe_get_link_capabilities(hw, &speed, &autoneg);
-               ixgbe_setup_link(hw, speed, true);
-       }
+       if (intr->flags & IXGBE_FLAG_NEED_LINK_CONFIG)
+               return rte_eth_linkstatus_set(dev, &link);
 
        /* check if it needs to wait to complete, if lsc interrupt is enabled */
        if (wait_to_complete == 0 || dev->data->dev_conf.intr_conf.lsc != 0)
@@ -4019,19 +4053,26 @@ ixgbe_dev_link_update_share(struct rte_eth_dev *dev,
        }
 
        if (link_up == 0) {
-               intr->flags |= IXGBE_FLAG_NEED_LINK_CONFIG;
+               if (ixgbe_get_media_type(hw) == ixgbe_media_type_fiber) {
+                       intr->flags |= IXGBE_FLAG_NEED_LINK_CONFIG;
+                       rte_eal_alarm_set(10,
+                               ixgbe_dev_setup_link_alarm_handler, dev);
+               }
                return rte_eth_linkstatus_set(dev, &link);
        }
 
-       intr->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG;
        link.link_status = ETH_LINK_UP;
        link.link_duplex = ETH_LINK_FULL_DUPLEX;
 
        switch (link_speed) {
        default:
        case IXGBE_LINK_SPEED_UNKNOWN:
+               if (hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T ||
+                       hw->device_id == IXGBE_DEV_ID_X550EM_A_1G_T_L)
+                       link.link_speed = ETH_SPEED_NUM_10M;
+               else
+                       link.link_speed = ETH_SPEED_NUM_100M;
                link.link_duplex = ETH_LINK_FULL_DUPLEX;
-               link.link_speed = ETH_SPEED_NUM_100M;
                break;
 
        case IXGBE_LINK_SPEED_100_FULL:
@@ -4766,6 +4807,8 @@ ixgbe_dev_rss_reta_update(struct rte_eth_dev *dev,
        uint8_t j, mask;
        uint32_t reta, r;
        uint16_t idx, shift;
+       struct ixgbe_adapter *adapter =
+               (struct ixgbe_adapter *)dev->data->dev_private;
        struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        uint32_t reta_reg;
 
@@ -4807,6 +4850,7 @@ ixgbe_dev_rss_reta_update(struct rte_eth_dev *dev,
                }
                IXGBE_WRITE_REG(hw, reta_reg, reta);
        }
+       adapter->rss_reta_updated = 1;
 
        return 0;
 }
@@ -4905,7 +4949,7 @@ ixgbe_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
        uint32_t maxfrs;
        struct ixgbe_hw *hw;
        struct rte_eth_dev_info dev_info;
-       uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+       uint32_t frame_size = mtu + IXGBE_ETH_OVERHEAD;
        struct rte_eth_dev_data *dev_data = dev->data;
 
        ixgbe_dev_info_get(dev, &dev_info);
@@ -5042,6 +5086,9 @@ ixgbevf_dev_start(struct rte_eth_dev *dev)
 
        PMD_INIT_FUNC_TRACE();
 
+       /* Stop the link setup handler before resetting the HW. */
+       rte_eal_alarm_cancel(ixgbe_dev_setup_link_alarm_handler, dev);
+
        err = hw->mac.ops.reset_hw(hw);
        if (err) {
                PMD_INIT_LOG(ERR, "Unable to reset vf hardware (%d)", err);
@@ -5077,8 +5124,6 @@ ixgbevf_dev_start(struct rte_eth_dev *dev)
 
        ixgbevf_dev_rxtx_start(dev);
 
-       ixgbevf_dev_link_update(dev, 0);
-
        /* check and configure queue intr-vector mapping */
        if (rte_intr_cap_multiple(intr_handle) &&
            dev->data->dev_conf.intr_conf.rxq) {
@@ -5116,6 +5161,12 @@ ixgbevf_dev_start(struct rte_eth_dev *dev)
        /* Re-enable interrupt for VF */
        ixgbevf_intr_enable(dev);
 
+       /*
+        * Update link status right before return, because it may
+        * start link configuration process in a separate thread.
+        */
+       ixgbevf_dev_link_update(dev, 0);
+
        return 0;
 }
 
@@ -5123,11 +5174,15 @@ static void
 ixgbevf_dev_stop(struct rte_eth_dev *dev)
 {
        struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct ixgbe_adapter *adapter =
+               (struct ixgbe_adapter *)dev->data->dev_private;
        struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
        struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 
        PMD_INIT_FUNC_TRACE();
 
+       rte_eal_alarm_cancel(ixgbe_dev_setup_link_alarm_handler, dev);
+
        ixgbevf_intr_disable(dev);
 
        hw->adapter_stopped = 1;
@@ -5150,6 +5205,8 @@ ixgbevf_dev_stop(struct rte_eth_dev *dev)
                rte_free(intr_handle->intr_vec);
                intr_handle->intr_vec = NULL;
        }
+
+       adapter->rss_reta_updated = 0;
 }
 
 static void
@@ -6295,21 +6352,23 @@ static int
 ixgbevf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 {
        struct ixgbe_hw *hw;
-       uint32_t max_frame = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
-       struct rte_eth_rxmode *rx_conf = &dev->data->dev_conf.rxmode;
+       uint32_t max_frame = mtu + IXGBE_ETH_OVERHEAD;
+       struct rte_eth_dev_data *dev_data = dev->data;
 
        hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 
        if ((mtu < ETHER_MIN_MTU) || (max_frame > ETHER_MAX_JUMBO_FRAME_LEN))
                return -EINVAL;
 
-       /* refuse mtu that requires the support of scattered packets when this
-        * feature has not been enabled before.
+       /* If device is started, refuse mtu that requires the support of
+        * scattered packets when this feature has not been enabled before.
         */
-       if (!(rx_conf->offloads & DEV_RX_OFFLOAD_SCATTER) &&
+       if (dev_data->dev_started && !dev_data->scattered_rx &&
            (max_frame + 2 * IXGBE_VLAN_TAG_SIZE >
-            dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM))
+            dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)) {
+               PMD_INIT_LOG(ERR, "Stop port first.");
                return -EINVAL;
+       }
 
        /*
         * When supported by the underlying PF driver, use the IXGBE_VF_SET_MTU
@@ -8267,6 +8326,22 @@ ixgbe_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
        return ret;
 }
 
+static void
+ixgbevf_dev_promiscuous_enable(struct rte_eth_dev *dev)
+{
+       struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       hw->mac.ops.update_xcast_mode(hw, IXGBEVF_XCAST_MODE_PROMISC);
+}
+
+static void
+ixgbevf_dev_promiscuous_disable(struct rte_eth_dev *dev)
+{
+       struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       hw->mac.ops.update_xcast_mode(hw, IXGBEVF_XCAST_MODE_NONE);
+}
+
 static void
 ixgbevf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 {