diff options
author | Jakub Kicinski <kuba@kernel.org> | 2020-07-14 22:18:28 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-07-15 03:04:27 +0300 |
commit | f7529b4ba3c98470b0e367ba447ad0da84dc308c (patch) | |
tree | b53a73899afebfbdd4cf1400f239616c36194de3 /drivers | |
parent | 6a8c1a75e551748ebebc4998c238a9d63ec5484d (diff) | |
download | linux-f7529b4ba3c98470b0e367ba447ad0da84dc308c.tar.xz |
fm10k: convert to new udp_tunnel_nic infra
Straightforward conversion to new infra. Driver restores info
after close/open cycle by calling its internal restore function
so just use that, no need for udp_tunnel_nic_reset_ntf() here.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k.h | 10 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_main.c | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | 164 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 4 |
4 files changed, 28 insertions, 159 deletions
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k.h b/drivers/net/ethernet/intel/fm10k/fm10k.h index f9be10a04dd6..6119a4108838 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k.h +++ b/drivers/net/ethernet/intel/fm10k/fm10k.h @@ -221,12 +221,6 @@ struct fm10k_iov_data { struct fm10k_vf_info vf_info[]; }; -struct fm10k_udp_port { - struct list_head list; - sa_family_t sa_family; - __be16 port; -}; - enum fm10k_macvlan_request_type { FM10K_UC_MAC_REQUEST, FM10K_MC_MAC_REQUEST, @@ -370,8 +364,8 @@ struct fm10k_intfc { u32 rssrk[FM10K_RSSRK_SIZE]; /* UDP encapsulation port tracking information */ - struct list_head vxlan_port; - struct list_head geneve_port; + __be16 vxlan_port; + __be16 geneve_port; /* MAC/VLAN update queue */ struct list_head macvlan_requests; diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c index 34f1f5350f68..d88dd41a9442 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@ -635,15 +635,8 @@ static int fm10k_clean_rx_irq(struct fm10k_q_vector *q_vector, static struct ethhdr *fm10k_port_is_vxlan(struct sk_buff *skb) { struct fm10k_intfc *interface = netdev_priv(skb->dev); - struct fm10k_udp_port *vxlan_port; - /* we can only offload a vxlan if we recognize it as such */ - vxlan_port = list_first_entry_or_null(&interface->vxlan_port, - struct fm10k_udp_port, list); - - if (!vxlan_port) - return NULL; - if (vxlan_port->port != udp_hdr(skb)->dest) + if (interface->vxlan_port != udp_hdr(skb)->dest) return NULL; /* return offset of udp_hdr plus 8 bytes for VXLAN header */ diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c index 1450a9f98c5a..5c19ff452558 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c @@ -367,39 +367,6 @@ static void fm10k_request_glort_range(struct fm10k_intfc *interface) } /** - * fm10k_free_udp_port_info - * @interface: board private structure - * - * This function frees both geneve_port and vxlan_port structures - **/ -static void fm10k_free_udp_port_info(struct fm10k_intfc *interface) -{ - struct fm10k_udp_port *port; - - /* flush all entries from vxlan list */ - port = list_first_entry_or_null(&interface->vxlan_port, - struct fm10k_udp_port, list); - while (port) { - list_del(&port->list); - kfree(port); - port = list_first_entry_or_null(&interface->vxlan_port, - struct fm10k_udp_port, - list); - } - - /* flush all entries from geneve list */ - port = list_first_entry_or_null(&interface->geneve_port, - struct fm10k_udp_port, list); - while (port) { - list_del(&port->list); - kfree(port); - port = list_first_entry_or_null(&interface->vxlan_port, - struct fm10k_udp_port, - list); - } -} - -/** * fm10k_restore_udp_port_info * @interface: board private structure * @@ -408,131 +375,52 @@ static void fm10k_free_udp_port_info(struct fm10k_intfc *interface) static void fm10k_restore_udp_port_info(struct fm10k_intfc *interface) { struct fm10k_hw *hw = &interface->hw; - struct fm10k_udp_port *port; /* only the PF supports configuring tunnels */ if (hw->mac.type != fm10k_mac_pf) return; - port = list_first_entry_or_null(&interface->vxlan_port, - struct fm10k_udp_port, list); - /* restore tunnel configuration register */ fm10k_write_reg(hw, FM10K_TUNNEL_CFG, - (port ? ntohs(port->port) : 0) | + ntohs(interface->vxlan_port) | (ETH_P_TEB << FM10K_TUNNEL_CFG_NVGRE_SHIFT)); - port = list_first_entry_or_null(&interface->geneve_port, - struct fm10k_udp_port, list); - /* restore Geneve tunnel configuration register */ fm10k_write_reg(hw, FM10K_TUNNEL_CFG_GENEVE, - (port ? ntohs(port->port) : 0)); -} - -static struct fm10k_udp_port * -fm10k_remove_tunnel_port(struct list_head *ports, - struct udp_tunnel_info *ti) -{ - struct fm10k_udp_port *port; - - list_for_each_entry(port, ports, list) { - if ((port->port == ti->port) && - (port->sa_family == ti->sa_family)) { - list_del(&port->list); - return port; - } - } - - return NULL; -} - -static void fm10k_insert_tunnel_port(struct list_head *ports, - struct udp_tunnel_info *ti) -{ - struct fm10k_udp_port *port; - - /* remove existing port entry from the list so that the newest items - * are always at the tail of the list. - */ - port = fm10k_remove_tunnel_port(ports, ti); - if (!port) { - port = kmalloc(sizeof(*port), GFP_ATOMIC); - if (!port) - return; - port->port = ti->port; - port->sa_family = ti->sa_family; - } - - list_add_tail(&port->list, ports); + ntohs(interface->geneve_port)); } /** - * fm10k_udp_tunnel_add + * fm10k_udp_tunnel_sync - Called when UDP tunnel ports change * @dev: network interface device structure - * @ti: Tunnel endpoint information + * @table: Tunnel table (according to tables of @fm10k_udp_tunnels) * - * This function is called when a new UDP tunnel port has been added. + * This function is called when a new UDP tunnel port is added or deleted. * Due to hardware restrictions, only one port per type can be offloaded at - * once. + * once. Core will send to the driver a port of its choice. **/ -static void fm10k_udp_tunnel_add(struct net_device *dev, - struct udp_tunnel_info *ti) +static int fm10k_udp_tunnel_sync(struct net_device *dev, unsigned int table) { struct fm10k_intfc *interface = netdev_priv(dev); + struct udp_tunnel_info ti; - /* only the PF supports configuring tunnels */ - if (interface->hw.mac.type != fm10k_mac_pf) - return; - - switch (ti->type) { - case UDP_TUNNEL_TYPE_VXLAN: - fm10k_insert_tunnel_port(&interface->vxlan_port, ti); - break; - case UDP_TUNNEL_TYPE_GENEVE: - fm10k_insert_tunnel_port(&interface->geneve_port, ti); - break; - default: - return; - } + udp_tunnel_nic_get_port(dev, table, 0, &ti); + if (!table) + interface->vxlan_port = ti.port; + else + interface->geneve_port = ti.port; fm10k_restore_udp_port_info(interface); + return 0; } -/** - * fm10k_udp_tunnel_del - * @dev: network interface device structure - * @ti: Tunnel end point information - * - * This function is called when a new UDP tunnel port is deleted. The freed - * port will be removed from the list, then we reprogram the offloaded port - * based on the head of the list. - **/ -static void fm10k_udp_tunnel_del(struct net_device *dev, - struct udp_tunnel_info *ti) -{ - struct fm10k_intfc *interface = netdev_priv(dev); - struct fm10k_udp_port *port = NULL; - - if (interface->hw.mac.type != fm10k_mac_pf) - return; - - switch (ti->type) { - case UDP_TUNNEL_TYPE_VXLAN: - port = fm10k_remove_tunnel_port(&interface->vxlan_port, ti); - break; - case UDP_TUNNEL_TYPE_GENEVE: - port = fm10k_remove_tunnel_port(&interface->geneve_port, ti); - break; - default: - return; - } - - /* if we did remove a port we need to free its memory */ - kfree(port); - - fm10k_restore_udp_port_info(interface); -} +static const struct udp_tunnel_nic_info fm10k_udp_tunnels = { + .sync_table = fm10k_udp_tunnel_sync, + .tables = { + { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, }, + { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_GENEVE, }, + }, +}; /** * fm10k_open - Called when a network interface is made active @@ -580,8 +468,6 @@ int fm10k_open(struct net_device *netdev) if (err) goto err_set_queues; - udp_tunnel_get_rx_info(netdev); - fm10k_up(interface); return 0; @@ -615,8 +501,6 @@ int fm10k_close(struct net_device *netdev) fm10k_qv_free_irq(interface); - fm10k_free_udp_port_info(interface); - fm10k_free_all_tx_resources(interface); fm10k_free_all_rx_resources(interface); @@ -1647,8 +1531,8 @@ static const struct net_device_ops fm10k_netdev_ops = { .ndo_set_vf_rate = fm10k_ndo_set_vf_bw, .ndo_get_vf_config = fm10k_ndo_get_vf_config, .ndo_get_vf_stats = fm10k_ndo_get_vf_stats, - .ndo_udp_tunnel_add = fm10k_udp_tunnel_add, - .ndo_udp_tunnel_del = fm10k_udp_tunnel_del, + .ndo_udp_tunnel_add = udp_tunnel_nic_add_port, + .ndo_udp_tunnel_del = udp_tunnel_nic_del_port, .ndo_dfwd_add_station = fm10k_dfwd_add_station, .ndo_dfwd_del_station = fm10k_dfwd_del_station, .ndo_features_check = fm10k_features_check, @@ -1695,6 +1579,8 @@ struct net_device *fm10k_alloc_netdev(const struct fm10k_info *info) NETIF_F_SG; dev->features |= NETIF_F_GSO_UDP_TUNNEL; + + dev->udp_tunnel_nic_info = &fm10k_udp_tunnels; } /* all features defined to this point should be changeable */ diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c index d122d0087191..140212bfe08b 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c @@ -2066,10 +2066,6 @@ static int fm10k_sw_init(struct fm10k_intfc *interface, interface->tx_itr = FM10K_TX_ITR_DEFAULT; interface->rx_itr = FM10K_ITR_ADAPTIVE | FM10K_RX_ITR_DEFAULT; - /* initialize udp port lists */ - INIT_LIST_HEAD(&interface->vxlan_port); - INIT_LIST_HEAD(&interface->geneve_port); - /* Initialize the MAC/VLAN queue */ INIT_LIST_HEAD(&interface->macvlan_requests); |