diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/efx.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index baab0a2a9eff..cb8e2c3f806a 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -23,12 +23,15 @@ #include <linux/aer.h> #include <linux/interrupt.h> #include "net_driver.h" +#include <net/gre.h> +#include <net/udp_tunnel.h> #include "efx.h" #include "nic.h" #include "selftest.h" #include "sriov.h" #include "mcdi.h" +#include "mcdi_pcol.h" #include "workarounds.h" /************************************************************************** @@ -88,6 +91,21 @@ const char *const efx_reset_type_names[] = { [RESET_TYPE_MCDI_TIMEOUT] = "MCDI_TIMEOUT (FLR)", }; +/* UDP tunnel type names */ +static const char *const efx_udp_tunnel_type_names[] = { + [TUNNEL_ENCAP_UDP_PORT_ENTRY_VXLAN] = "vxlan", + [TUNNEL_ENCAP_UDP_PORT_ENTRY_GENEVE] = "geneve", +}; + +void efx_get_udp_tunnel_type_name(u16 type, char *buf, size_t buflen) +{ + if (type < ARRAY_SIZE(efx_udp_tunnel_type_names) && + efx_udp_tunnel_type_names[type] != NULL) + snprintf(buf, buflen, "%s", efx_udp_tunnel_type_names[type]); + else + snprintf(buf, buflen, "type %d", type); +} + /* Reset workqueue. If any NIC has a hardware failure then a reset will be * queued onto this work queue. This is not a per-nic work queue, because * efx_reset_work() acquires the rtnl lock, so resets are naturally serialised. @@ -2336,6 +2354,52 @@ static int efx_vlan_rx_kill_vid(struct net_device *net_dev, __be16 proto, u16 vi return -EOPNOTSUPP; } +static int efx_udp_tunnel_type_map(enum udp_parsable_tunnel_type in) +{ + switch (in) { + case UDP_TUNNEL_TYPE_VXLAN: + return TUNNEL_ENCAP_UDP_PORT_ENTRY_VXLAN; + case UDP_TUNNEL_TYPE_GENEVE: + return TUNNEL_ENCAP_UDP_PORT_ENTRY_GENEVE; + default: + return -1; + } +} + +static void efx_udp_tunnel_add(struct net_device *dev, struct udp_tunnel_info *ti) +{ + struct efx_nic *efx = netdev_priv(dev); + struct efx_udp_tunnel tnl; + int efx_tunnel_type; + + efx_tunnel_type = efx_udp_tunnel_type_map(ti->type); + if (efx_tunnel_type < 0) + return; + + tnl.type = (u16)efx_tunnel_type; + tnl.port = ti->port; + + if (efx->type->udp_tnl_add_port) + (void)efx->type->udp_tnl_add_port(efx, tnl); +} + +static void efx_udp_tunnel_del(struct net_device *dev, struct udp_tunnel_info *ti) +{ + struct efx_nic *efx = netdev_priv(dev); + struct efx_udp_tunnel tnl; + int efx_tunnel_type; + + efx_tunnel_type = efx_udp_tunnel_type_map(ti->type); + if (efx_tunnel_type < 0) + return; + + tnl.type = (u16)efx_tunnel_type; + tnl.port = ti->port; + + if (efx->type->udp_tnl_add_port) + (void)efx->type->udp_tnl_del_port(efx, tnl); +} + static const struct net_device_ops efx_netdev_ops = { .ndo_open = efx_net_open, .ndo_stop = efx_net_stop, @@ -2366,6 +2430,8 @@ static const struct net_device_ops efx_netdev_ops = { #ifdef CONFIG_RFS_ACCEL .ndo_rx_flow_steer = efx_filter_rfs, #endif + .ndo_udp_tunnel_add = efx_udp_tunnel_add, + .ndo_udp_tunnel_del = efx_udp_tunnel_del, }; static void efx_update_name(struct efx_nic *efx) @@ -2605,6 +2671,9 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok) efx_start_all(efx); + if (efx->type->udp_tnl_push_ports) + efx->type->udp_tnl_push_ports(efx); + return 0; fail: @@ -3261,6 +3330,9 @@ static int efx_pci_probe(struct pci_dev *pci_dev, "PCIE error reporting unavailable (%d).\n", rc); + if (efx->type->udp_tnl_push_ports) + efx->type->udp_tnl_push_ports(efx); + return 0; fail3: |