i40e: fix VLAN filtering
[dpdk.git] / drivers / net / i40e / i40e_ethdev.c
index ef24122..87d8f4b 100644 (file)
 #define I40E_INSET_IPV6_TC_MASK       0x0009F00FUL
 #define I40E_INSET_IPV6_NEXT_HDR_MASK 0x000C00FFUL
 
+#define I40E_GL_SWT_L2TAGCTRL(_i)             (0x001C0A70 + ((_i) * 4))
+#define I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_SHIFT 16
+#define I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_MASK  \
+       I40E_MASK(0xFFFF, I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_SHIFT)
+
+/* PCI offset for querying capability */
+#define PCI_DEV_CAP_REG            0xA4
+/* PCI offset for enabling/disabling Extended Tag */
+#define PCI_DEV_CTRL_REG           0xA8
+/* Bit mask of Extended Tag capability */
+#define PCI_DEV_CAP_EXT_TAG_MASK   0x20
+/* Bit shift of Extended Tag enable/disable */
+#define PCI_DEV_CTRL_EXT_TAG_SHIFT 8
+/* Bit mask of Extended Tag enable/disable */
+#define PCI_DEV_CTRL_EXT_TAG_MASK  (1 << PCI_DEV_CTRL_EXT_TAG_SHIFT)
+
 static int eth_i40e_dev_init(struct rte_eth_dev *eth_dev);
 static int eth_i40e_dev_uninit(struct rte_eth_dev *eth_dev);
 static int i40e_dev_configure(struct rte_eth_dev *dev);
@@ -299,7 +315,9 @@ static void i40e_dev_info_get(struct rte_eth_dev *dev,
 static int i40e_vlan_filter_set(struct rte_eth_dev *dev,
                                uint16_t vlan_id,
                                int on);
-static void i40e_vlan_tpid_set(struct rte_eth_dev *dev, uint16_t tpid);
+static int i40e_vlan_tpid_set(struct rte_eth_dev *dev,
+                             enum rte_vlan_type vlan_type,
+                             uint16_t tpid);
 static void i40e_vlan_offload_set(struct rte_eth_dev *dev, int mask);
 static void i40e_vlan_strip_queue_set(struct rte_eth_dev *dev,
                                      uint16_t queue,
@@ -369,10 +387,10 @@ static int i40e_dev_rss_hash_update(struct rte_eth_dev *dev,
                                    struct rte_eth_rss_conf *rss_conf);
 static int i40e_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
                                      struct rte_eth_rss_conf *rss_conf);
-static int i40e_dev_udp_tunnel_add(struct rte_eth_dev *dev,
-                               struct rte_eth_udp_tunnel *udp_tunnel);
-static int i40e_dev_udp_tunnel_del(struct rte_eth_dev *dev,
-                               struct rte_eth_udp_tunnel *udp_tunnel);
+static int i40e_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
+                                       struct rte_eth_udp_tunnel *udp_tunnel);
+static int i40e_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
+                                       struct rte_eth_udp_tunnel *udp_tunnel);
 static int i40e_ethertype_filter_set(struct i40e_pf *pf,
                        struct rte_eth_ethertype_filter *filter,
                        bool add);
@@ -386,7 +404,7 @@ static int i40e_dev_filter_ctrl(struct rte_eth_dev *dev,
 static int i40e_dev_get_dcb_info(struct rte_eth_dev *dev,
                                  struct rte_eth_dcb_info *dcb_info);
 static void i40e_configure_registers(struct i40e_hw *hw);
-static void i40e_hw_init(struct i40e_hw *hw);
+static void i40e_hw_init(struct rte_eth_dev *dev);
 static int i40e_config_qinq(struct i40e_hw *hw, struct i40e_vsi *vsi);
 static int i40e_mirror_rule_set(struct rte_eth_dev *dev,
                        struct rte_eth_mirror_conf *mirror_conf,
@@ -467,8 +485,8 @@ static const struct eth_dev_ops i40e_eth_dev_ops = {
        .reta_query                   = i40e_dev_rss_reta_query,
        .rss_hash_update              = i40e_dev_rss_hash_update,
        .rss_hash_conf_get            = i40e_dev_rss_hash_conf_get,
-       .udp_tunnel_add               = i40e_dev_udp_tunnel_add,
-       .udp_tunnel_del               = i40e_dev_udp_tunnel_del,
+       .udp_tunnel_port_add          = i40e_dev_udp_tunnel_port_add,
+       .udp_tunnel_port_del          = i40e_dev_udp_tunnel_port_del,
        .filter_ctrl                  = i40e_dev_filter_ctrl,
        .rxq_info_get                 = i40e_rxq_info_get,
        .txq_info_get                 = i40e_txq_info_get,
@@ -765,7 +783,7 @@ eth_i40e_dev_init(struct rte_eth_dev *dev)
        i40e_clear_hw(hw);
 
        /* Initialize the hardware */
-       i40e_hw_init(hw);
+       i40e_hw_init(dev);
 
        /* Reset here to make sure all is clean for each PF */
        ret = i40e_pf_reset(hw);
@@ -872,6 +890,20 @@ eth_i40e_dev_init(struct rte_eth_dev *dev)
        hw->fc.requested_mode = I40E_FC_NONE;
        i40e_set_fc(hw, &aq_fail, TRUE);
 
+       /* Set the global registers with default ether type value */
+       ret = i40e_vlan_tpid_set(dev, ETH_VLAN_TYPE_OUTER, ETHER_TYPE_VLAN);
+       if (ret != I40E_SUCCESS) {
+               PMD_INIT_LOG(ERR, "Failed to set the default outer "
+                            "VLAN ether type");
+               goto err_setup_pf_switch;
+       }
+       ret = i40e_vlan_tpid_set(dev, ETH_VLAN_TYPE_INNER, ETHER_TYPE_VLAN);
+       if (ret != I40E_SUCCESS) {
+               PMD_INIT_LOG(ERR, "Failed to set the default outer "
+                            "VLAN ether type");
+               goto err_setup_pf_switch;
+       }
+
        /* PF setup, which includes VSI setup */
        ret = i40e_pf_setup(pf);
        if (ret) {
@@ -2319,11 +2351,59 @@ i40e_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
                return i40e_vsi_delete_vlan(vsi, vlan_id);
 }
 
-static void
-i40e_vlan_tpid_set(__rte_unused struct rte_eth_dev *dev,
-                  __rte_unused uint16_t tpid)
+static int
+i40e_vlan_tpid_set(struct rte_eth_dev *dev,
+                  enum rte_vlan_type vlan_type,
+                  uint16_t tpid)
 {
-       PMD_INIT_FUNC_TRACE();
+       struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint64_t reg_r = 0, reg_w = 0;
+       uint16_t reg_id = 0;
+       int ret = 0;
+
+       switch (vlan_type) {
+       case ETH_VLAN_TYPE_OUTER:
+               reg_id = 2;
+               break;
+       case ETH_VLAN_TYPE_INNER:
+               reg_id = 3;
+               break;
+       default:
+               ret = -EINVAL;
+               PMD_DRV_LOG(ERR, "Unsupported vlan type %d", vlan_type);
+               return ret;
+       }
+       ret = i40e_aq_debug_read_register(hw, I40E_GL_SWT_L2TAGCTRL(reg_id),
+                                         &reg_r, NULL);
+       if (ret != I40E_SUCCESS) {
+               PMD_DRV_LOG(ERR, "Fail to debug read from "
+                           "I40E_GL_SWT_L2TAGCTRL[%d]", reg_id);
+               ret = -EIO;
+               return ret;
+       }
+       PMD_DRV_LOG(DEBUG, "Debug read from I40E_GL_SWT_L2TAGCTRL[%d]: "
+                   "0x%08"PRIx64"", reg_id, reg_r);
+
+       reg_w = reg_r & (~(I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_MASK));
+       reg_w |= ((uint64_t)tpid << I40E_GL_SWT_L2TAGCTRL_ETHERTYPE_SHIFT);
+       if (reg_r == reg_w) {
+               ret = 0;
+               PMD_DRV_LOG(DEBUG, "No need to write");
+               return ret;
+       }
+
+       ret = i40e_aq_debug_write_register(hw, I40E_GL_SWT_L2TAGCTRL(reg_id),
+                                          reg_w, NULL);
+       if (ret != I40E_SUCCESS) {
+               ret = -EIO;
+               PMD_DRV_LOG(ERR, "Fail to debug write to "
+                           "I40E_GL_SWT_L2TAGCTRL[%d]", reg_id);
+               return ret;
+       }
+       PMD_DRV_LOG(DEBUG, "Debug write 0x%08"PRIx64" to "
+                   "I40E_GL_SWT_L2TAGCTRL[%d]", reg_w, reg_id);
+
+       return ret;
 }
 
 static void
@@ -2332,6 +2412,13 @@ i40e_vlan_offload_set(struct rte_eth_dev *dev, int mask)
        struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
        struct i40e_vsi *vsi = pf->main_vsi;
 
+       if (mask & ETH_VLAN_FILTER_MASK) {
+               if (dev->data->dev_conf.rxmode.hw_vlan_filter)
+                       i40e_vsi_config_vlan_filter(vsi, TRUE);
+               else
+                       i40e_vsi_config_vlan_filter(vsi, FALSE);
+       }
+
        if (mask & ETH_VLAN_STRIP_MASK) {
                /* Enable or disable VLAN stripping */
                if (dev->data->dev_conf.rxmode.hw_vlan_strip)
@@ -2583,7 +2670,10 @@ i40e_macaddr_add(struct rte_eth_dev *dev,
        }
 
        (void)rte_memcpy(&mac_filter.mac_addr, mac_addr, ETHER_ADDR_LEN);
-       mac_filter.filter_type = RTE_MACVLAN_PERFECT_MATCH;
+       if (dev->data->dev_conf.rxmode.hw_vlan_filter)
+               mac_filter.filter_type = RTE_MACVLAN_PERFECT_MATCH;
+       else
+               mac_filter.filter_type = RTE_MAC_PERFECT_MATCH;
 
        if (pool == 0)
                vsi = pf->main_vsi;
@@ -4156,6 +4246,63 @@ fail_mem:
        return NULL;
 }
 
+/* Configure vlan filter on or off */
+int
+i40e_vsi_config_vlan_filter(struct i40e_vsi *vsi, bool on)
+{
+       int i, num;
+       struct i40e_mac_filter *f;
+       struct i40e_mac_filter_info *mac_filter;
+       enum rte_mac_filter_type desired_filter;
+       int ret = I40E_SUCCESS;
+
+       if (on) {
+               /* Filter to match MAC and VLAN */
+               desired_filter = RTE_MACVLAN_PERFECT_MATCH;
+       } else {
+               /* Filter to match only MAC */
+               desired_filter = RTE_MAC_PERFECT_MATCH;
+       }
+
+       num = vsi->mac_num;
+
+       mac_filter = rte_zmalloc("mac_filter_info_data",
+                                num * sizeof(*mac_filter), 0);
+       if (mac_filter == NULL) {
+               PMD_DRV_LOG(ERR, "failed to allocate memory");
+               return I40E_ERR_NO_MEMORY;
+       }
+
+       i = 0;
+
+       /* Remove all existing mac */
+       TAILQ_FOREACH(f, &vsi->mac_list, next) {
+               mac_filter[i] = f->mac_info;
+               ret = i40e_vsi_delete_mac(vsi, &f->mac_info.mac_addr);
+               if (ret) {
+                       PMD_DRV_LOG(ERR, "Update VSI failed to %s vlan filter",
+                                   on ? "enable" : "disable");
+                       goto DONE;
+               }
+               i++;
+       }
+
+       /* Override with new filter */
+       for (i = 0; i < num; i++) {
+               mac_filter[i].filter_type = desired_filter;
+               ret = i40e_vsi_add_mac(vsi, &mac_filter[i]);
+               if (ret) {
+                       PMD_DRV_LOG(ERR, "Update VSI failed to %s vlan filter",
+                                   on ? "enable" : "disable");
+                       goto DONE;
+               }
+       }
+
+DONE:
+       rte_free(mac_filter);
+       return ret;
+}
+
 /* Configure vlan stripping on or off */
 int
 i40e_vsi_config_vlan_stripping(struct i40e_vsi *vsi, bool on)
@@ -4203,9 +4350,11 @@ i40e_dev_init_vlan(struct rte_eth_dev *dev)
 {
        struct rte_eth_dev_data *data = dev->data;
        int ret;
+       int mask = 0;
 
        /* Apply vlan offload setting */
-       i40e_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK);
+       mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK;
+       i40e_vlan_offload_set(dev, mask);
 
        /* Apply double-vlan setting, not implemented yet */
 
@@ -5797,6 +5946,12 @@ i40e_dev_get_filter_type(uint16_t filter_type, uint16_t *flag)
        case ETH_TUNNEL_FILTER_IMAC:
                *flag = I40E_AQC_ADD_CLOUD_FILTER_IMAC;
                break;
+       case ETH_TUNNEL_FILTER_OIP:
+               *flag = I40E_AQC_ADD_CLOUD_FILTER_OIP;
+               break;
+       case ETH_TUNNEL_FILTER_IIP:
+               *flag = I40E_AQC_ADD_CLOUD_FILTER_IIP;
+               break;
        default:
                PMD_DRV_LOG(ERR, "invalid tunnel filter type");
                return -EINVAL;
@@ -5811,7 +5966,9 @@ i40e_dev_tunnel_filter_set(struct i40e_pf *pf,
                        uint8_t add)
 {
        uint16_t ip_type;
-       uint8_t tun_type = 0;
+       uint8_t i, tun_type = 0;
+       /* internal varialbe to convert ipv6 byte order */
+       uint32_t convert_ipv6[4];
        int val, ret = 0;
        struct i40e_hw *hw = I40E_PF_TO_HW(pf);
        struct i40e_vsi *vsi = pf->main_vsi;
@@ -5828,21 +5985,22 @@ i40e_dev_tunnel_filter_set(struct i40e_pf *pf,
        }
        pfilter = cld_filter;
 
-       (void)rte_memcpy(&pfilter->outer_mac, tunnel_filter->outer_mac,
-                       sizeof(struct ether_addr));
-       (void)rte_memcpy(&pfilter->inner_mac, tunnel_filter->inner_mac,
-                       sizeof(struct ether_addr));
+       ether_addr_copy(&tunnel_filter->outer_mac, (struct ether_addr*)&pfilter->outer_mac);
+       ether_addr_copy(&tunnel_filter->inner_mac, (struct ether_addr*)&pfilter->inner_mac);
 
-       pfilter->inner_vlan = tunnel_filter->inner_vlan;
+       pfilter->inner_vlan = rte_cpu_to_le_16(tunnel_filter->inner_vlan);
        if (tunnel_filter->ip_type == RTE_TUNNEL_IPTYPE_IPV4) {
                ip_type = I40E_AQC_ADD_CLOUD_FLAGS_IPV4;
-               (void)rte_memcpy(&pfilter->ipaddr.v4.data,
-                               &tunnel_filter->ip_addr,
+               rte_memcpy(&pfilter->ipaddr.v4.data,
+                               &rte_cpu_to_le_32(tunnel_filter->ip_addr.ipv4_addr),
                                sizeof(pfilter->ipaddr.v4.data));
        } else {
                ip_type = I40E_AQC_ADD_CLOUD_FLAGS_IPV6;
-               (void)rte_memcpy(&pfilter->ipaddr.v6.data,
-                               &tunnel_filter->ip_addr,
+               for (i = 0; i < 4; i++) {
+                       convert_ipv6[i] =
+                       rte_cpu_to_le_32(tunnel_filter->ip_addr.ipv6_addr[i]);
+               }
+               rte_memcpy(&pfilter->ipaddr.v6.data, &convert_ipv6,
                                sizeof(pfilter->ipaddr.v6.data));
        }
 
@@ -5854,6 +6012,9 @@ i40e_dev_tunnel_filter_set(struct i40e_pf *pf,
        case RTE_TUNNEL_TYPE_NVGRE:
                tun_type = I40E_AQC_ADD_CLOUD_TNL_TYPE_NVGRE_OMAC;
                break;
+       case RTE_TUNNEL_TYPE_IP_IN_GRE:
+               tun_type = I40E_AQC_ADD_CLOUD_TNL_TYPE_IP;
+               break;
        default:
                /* Other tunnel types is not supported. */
                PMD_DRV_LOG(ERR, "tunnel type is not supported.");
@@ -5868,10 +6029,11 @@ i40e_dev_tunnel_filter_set(struct i40e_pf *pf,
                return -EINVAL;
        }
 
-       pfilter->flags |= I40E_AQC_ADD_CLOUD_FLAGS_TO_QUEUE | ip_type |
-               (tun_type << I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT);
-       pfilter->tenant_id = tunnel_filter->tenant_id;
-       pfilter->queue_number = tunnel_filter->queue_id;
+       pfilter->flags |= rte_cpu_to_le_16(
+               I40E_AQC_ADD_CLOUD_FLAGS_TO_QUEUE |
+               ip_type | (tun_type << I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT));
+       pfilter->tenant_id = rte_cpu_to_le_32(tunnel_filter->tenant_id);
+       pfilter->queue_number = rte_cpu_to_le_16(tunnel_filter->queue_id);
 
        if (add)
                ret = i40e_aq_add_cloud_filters(hw, vsi->seid, cld_filter, 1);
@@ -5976,8 +6138,8 @@ i40e_del_vxlan_port(struct i40e_pf *pf, uint16_t port)
 
 /* Add UDP tunneling port */
 static int
-i40e_dev_udp_tunnel_add(struct rte_eth_dev *dev,
-                       struct rte_eth_udp_tunnel *udp_tunnel)
+i40e_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
+                            struct rte_eth_udp_tunnel *udp_tunnel)
 {
        int ret = 0;
        struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
@@ -6007,8 +6169,8 @@ i40e_dev_udp_tunnel_add(struct rte_eth_dev *dev,
 
 /* Remove UDP tunneling port */
 static int
-i40e_dev_udp_tunnel_del(struct rte_eth_dev *dev,
-                       struct rte_eth_udp_tunnel *udp_tunnel)
+i40e_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
+                            struct rte_eth_udp_tunnel *udp_tunnel)
 {
        int ret = 0;
        struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
@@ -6131,13 +6293,13 @@ i40e_tunnel_filter_param_check(struct i40e_pf *pf,
        }
 
        if ((filter->filter_type & ETH_TUNNEL_FILTER_OMAC) &&
-               (is_zero_ether_addr(filter->outer_mac))) {
+               (is_zero_ether_addr(&filter->outer_mac))) {
                PMD_DRV_LOG(ERR, "Cannot add NULL outer MAC address");
                return -EINVAL;
        }
 
        if ((filter->filter_type & ETH_TUNNEL_FILTER_IMAC) &&
-               (is_zero_ether_addr(filter->inner_mac))) {
+               (is_zero_ether_addr(&filter->inner_mac))) {
                PMD_DRV_LOG(ERR, "Cannot add NULL inner MAC address");
                return -EINVAL;
        }
@@ -7261,14 +7423,62 @@ i40e_dev_filter_ctrl(struct rte_eth_dev *dev,
        return ret;
 }
 
+/*
+ * Check and enable Extended Tag.
+ * Enabling Extended Tag is important for 40G performance.
+ */
+static void
+i40e_enable_extended_tag(struct rte_eth_dev *dev)
+{
+       uint32_t buf = 0;
+       int ret;
+
+       ret = rte_eal_pci_read_config(dev->pci_dev, &buf, sizeof(buf),
+                                     PCI_DEV_CAP_REG);
+       if (ret < 0) {
+               PMD_DRV_LOG(ERR, "Failed to read PCI offset 0x%x",
+                           PCI_DEV_CAP_REG);
+               return;
+       }
+       if (!(buf & PCI_DEV_CAP_EXT_TAG_MASK)) {
+               PMD_DRV_LOG(ERR, "Does not support Extended Tag");
+               return;
+       }
+
+       buf = 0;
+       ret = rte_eal_pci_read_config(dev->pci_dev, &buf, sizeof(buf),
+                                     PCI_DEV_CTRL_REG);
+       if (ret < 0) {
+               PMD_DRV_LOG(ERR, "Failed to read PCI offset 0x%x",
+                           PCI_DEV_CTRL_REG);
+               return;
+       }
+       if (buf & PCI_DEV_CTRL_EXT_TAG_MASK) {
+               PMD_DRV_LOG(DEBUG, "Extended Tag has already been enabled");
+               return;
+       }
+       buf |= PCI_DEV_CTRL_EXT_TAG_MASK;
+       ret = rte_eal_pci_write_config(dev->pci_dev, &buf, sizeof(buf),
+                                      PCI_DEV_CTRL_REG);
+       if (ret < 0) {
+               PMD_DRV_LOG(ERR, "Failed to write PCI offset 0x%x",
+                           PCI_DEV_CTRL_REG);
+               return;
+       }
+}
+
 /*
  * As some registers wouldn't be reset unless a global hardware reset,
  * hardware initialization is needed to put those registers into an
  * expected initial state.
  */
 static void
-i40e_hw_init(struct i40e_hw *hw)
+i40e_hw_init(struct rte_eth_dev *dev)
 {
+       struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       i40e_enable_extended_tag(dev);
+
        /* clear the PF Queue Filter control register */
        I40E_WRITE_REG(hw, I40E_PFQF_CTL_0, 0);