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path: root/drivers/net/ethernet/sfc/efx.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/efx.c')
-rw-r--r--drivers/net/ethernet/sfc/efx.c72
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:
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