qlcnic: convert to new udp_tunnel_nic infra
authorJakub Kicinski <kuba@kernel.org>
Tue, 14 Jul 2020 19:18:30 +0000 (12:18 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 15 Jul 2020 00:04:27 +0000 (17:04 -0700)
Straightforward conversion to new infra, 1 VxLAN port, handler
may sleep.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c

index d838774..d67f826 100644 (file)
@@ -536,8 +536,6 @@ struct qlcnic_hardware_context {
        u8 extend_lb_time;
        u8 phys_port_id[ETH_ALEN];
        u8 lb_mode;
-       u8 vxlan_port_count;
-       u16 vxlan_port;
        struct device *hwmon_dev;
        u32 post_mode;
        bool run_post;
@@ -1026,9 +1024,6 @@ struct qlcnic_ipaddr {
 #define QLCNIC_HAS_PHYS_PORT_ID                0x40000
 #define QLCNIC_TSS_RSS                 0x80000
 
-#define QLCNIC_ADD_VXLAN_PORT          0x100000
-#define QLCNIC_DEL_VXLAN_PORT          0x200000
-
 #define QLCNIC_VLAN_FILTERING          0x800000
 
 #define QLCNIC_IS_MSI_FAMILY(adapter) \
@@ -1700,6 +1695,8 @@ int qlcnic_init_pci_info(struct qlcnic_adapter *);
 int qlcnic_set_default_offload_settings(struct qlcnic_adapter *);
 int qlcnic_reset_npar_config(struct qlcnic_adapter *);
 int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *);
+int qlcnic_set_vxlan_port(struct qlcnic_adapter *adapter, u16 port);
+int qlcnic_set_vxlan_parsing(struct qlcnic_adapter *adapter, u16 port);
 int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter);
 int qlcnic_read_mac_addr(struct qlcnic_adapter *);
 int qlcnic_setup_netdev(struct qlcnic_adapter *, struct net_device *, int);
index cda5b0a..0e2f2fb 100644 (file)
@@ -1028,9 +1028,8 @@ static int qlcnic_83xx_idc_check_state_validity(struct qlcnic_adapter *adapter,
 #define QLCNIC_ENABLE_INGRESS_ENCAP_PARSING 1
 #define QLCNIC_DISABLE_INGRESS_ENCAP_PARSING 0
 
-static int qlcnic_set_vxlan_port(struct qlcnic_adapter *adapter)
+int qlcnic_set_vxlan_port(struct qlcnic_adapter *adapter, u16 port)
 {
-       u16 port = adapter->ahw->vxlan_port;
        struct qlcnic_cmd_args cmd;
        int ret = 0;
 
@@ -1057,10 +1056,8 @@ static int qlcnic_set_vxlan_port(struct qlcnic_adapter *adapter)
        return ret;
 }
 
-static int qlcnic_set_vxlan_parsing(struct qlcnic_adapter *adapter,
-                                   bool state)
+int qlcnic_set_vxlan_parsing(struct qlcnic_adapter *adapter, u16 port)
 {
-       u16 vxlan_port = adapter->ahw->vxlan_port;
        struct qlcnic_cmd_args cmd;
        int ret = 0;
 
@@ -1071,18 +1068,18 @@ static int qlcnic_set_vxlan_parsing(struct qlcnic_adapter *adapter,
        if (ret)
                return ret;
 
-       cmd.req.arg[1] = state ? QLCNIC_ENABLE_INGRESS_ENCAP_PARSING :
-                                QLCNIC_DISABLE_INGRESS_ENCAP_PARSING;
+       cmd.req.arg[1] = port ? QLCNIC_ENABLE_INGRESS_ENCAP_PARSING :
+                               QLCNIC_DISABLE_INGRESS_ENCAP_PARSING;
 
        ret = qlcnic_issue_cmd(adapter, &cmd);
        if (ret)
                netdev_err(adapter->netdev,
                           "Failed to %s VXLAN parsing for port %d\n",
-                          state ? "enable" : "disable", vxlan_port);
+                          port ? "enable" : "disable", port);
        else
                netdev_info(adapter->netdev,
                            "%s VXLAN parsing for port %d\n",
-                           state ? "Enabled" : "Disabled", vxlan_port);
+                           port ? "Enabled" : "Disabled", port);
 
        qlcnic_free_mbx_args(&cmd);
 
@@ -1093,22 +1090,6 @@ static void qlcnic_83xx_periodic_tasks(struct qlcnic_adapter *adapter)
 {
        if (adapter->fhash.fnum)
                qlcnic_prune_lb_filters(adapter);
-
-       if (adapter->flags & QLCNIC_ADD_VXLAN_PORT) {
-               if (qlcnic_set_vxlan_port(adapter))
-                       return;
-
-               if (qlcnic_set_vxlan_parsing(adapter, true))
-                       return;
-
-               adapter->flags &= ~QLCNIC_ADD_VXLAN_PORT;
-       } else if (adapter->flags & QLCNIC_DEL_VXLAN_PORT) {
-               if (qlcnic_set_vxlan_parsing(adapter, false))
-                       return;
-
-               adapter->ahw->vxlan_port = 0;
-               adapter->flags &= ~QLCNIC_DEL_VXLAN_PORT;
-       }
 }
 
 /**
index e52af09..173c730 100644 (file)
@@ -471,48 +471,29 @@ static int qlcnic_get_phys_port_id(struct net_device *netdev,
        return 0;
 }
 
-static void qlcnic_add_vxlan_port(struct net_device *netdev,
-                                 struct udp_tunnel_info *ti)
+static int qlcnic_udp_tunnel_sync(struct net_device *dev, unsigned int table)
 {
-       struct qlcnic_adapter *adapter = netdev_priv(netdev);
-       struct qlcnic_hardware_context *ahw = adapter->ahw;
-
-       if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
-               return;
+       struct qlcnic_adapter *adapter = netdev_priv(dev);
+       struct udp_tunnel_info ti;
+       int err;
 
-       /* Adapter supports only one VXLAN port. Use very first port
-        * for enabling offload
-        */
-       if (!qlcnic_encap_rx_offload(adapter))
-               return;
-       if (!ahw->vxlan_port_count) {
-               ahw->vxlan_port_count = 1;
-               ahw->vxlan_port = ntohs(ti->port);
-               adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
-               return;
+       udp_tunnel_nic_get_port(dev, table, 0, &ti);
+       if (ti.port) {
+               err = qlcnic_set_vxlan_port(adapter, ntohs(ti.port));
+               if (err)
+                       return err;
        }
-       if (ahw->vxlan_port == ntohs(ti->port))
-               ahw->vxlan_port_count++;
 
+       return qlcnic_set_vxlan_parsing(adapter, ntohs(ti.port));
 }
 
-static void qlcnic_del_vxlan_port(struct net_device *netdev,
-                                 struct udp_tunnel_info *ti)
-{
-       struct qlcnic_adapter *adapter = netdev_priv(netdev);
-       struct qlcnic_hardware_context *ahw = adapter->ahw;
-
-       if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
-               return;
-
-       if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count ||
-           (ahw->vxlan_port != ntohs(ti->port)))
-               return;
-
-       ahw->vxlan_port_count--;
-       if (!ahw->vxlan_port_count)
-               adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
-}
+static const struct udp_tunnel_nic_info qlcnic_udp_tunnels = {
+       .sync_table     = qlcnic_udp_tunnel_sync,
+       .flags          = UDP_TUNNEL_NIC_INFO_MAY_SLEEP,
+       .tables         = {
+               { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, },
+       },
+};
 
 static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
                                               struct net_device *dev,
@@ -540,8 +521,8 @@ static const struct net_device_ops qlcnic_netdev_ops = {
        .ndo_fdb_del            = qlcnic_fdb_del,
        .ndo_fdb_dump           = qlcnic_fdb_dump,
        .ndo_get_phys_port_id   = qlcnic_get_phys_port_id,
-       .ndo_udp_tunnel_add     = qlcnic_add_vxlan_port,
-       .ndo_udp_tunnel_del     = qlcnic_del_vxlan_port,
+       .ndo_udp_tunnel_add     = udp_tunnel_nic_add_port,
+       .ndo_udp_tunnel_del     = udp_tunnel_nic_del_port,
        .ndo_features_check     = qlcnic_features_check,
 #ifdef CONFIG_QLCNIC_SRIOV
        .ndo_set_vf_mac         = qlcnic_sriov_set_vf_mac,
@@ -2017,7 +1998,7 @@ qlcnic_attach(struct qlcnic_adapter *adapter)
        qlcnic_create_sysfs_entries(adapter);
 
        if (qlcnic_encap_rx_offload(adapter))
-               udp_tunnel_get_rx_info(netdev);
+               udp_tunnel_nic_reset_ntf(netdev);
 
        adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
        return 0;
@@ -2335,9 +2316,12 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
                                          NETIF_F_TSO6;
        }
 
-       if (qlcnic_encap_rx_offload(adapter))
+       if (qlcnic_encap_rx_offload(adapter)) {
                netdev->hw_enc_features |= NETIF_F_RXCSUM;
 
+               netdev->udp_tunnel_nic_info = &qlcnic_udp_tunnels;
+       }
+
        netdev->hw_features = netdev->features;
        netdev->priv_flags |= IFF_UNICAST_FLT;
        netdev->irq = adapter->msix_entries[0].vector;