linux/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2018 Mellanox Technologies. */

#include <net/inet_ecn.h>
#include <net/vxlan.h>
#include <net/gre.h>
#include <net/geneve.h>
#include <net/bareudp.h>
#include "en/tc_tun.h"
#include "en/tc_priv.h"
#include "en_tc.h"
#include "rep/tc.h"
#include "rep/neigh.h"
#include "lag/lag.h"
#include "lag/mp.h"

struct mlx5e_tc_tun_route_attr { … };

#define TC_TUN_ROUTE_ATTR_INIT(name) …

static void mlx5e_tc_tun_route_attr_cleanup(struct mlx5e_tc_tun_route_attr *attr)
{ … }

struct mlx5e_tc_tunnel *mlx5e_get_tc_tun(struct net_device *tunnel_dev)
{ … }

static int get_route_and_out_devs(struct mlx5e_priv *priv,
				  struct net_device *dev,
				  struct net_device **route_dev,
				  struct net_device **out_dev)
{ … }

static int mlx5e_route_lookup_ipv4_get(struct mlx5e_priv *priv,
				       struct net_device *dev,
				       struct mlx5e_tc_tun_route_attr *attr)
{ … }

static void mlx5e_route_lookup_ipv4_put(struct mlx5e_tc_tun_route_attr *attr)
{ … }

static const char *mlx5e_netdev_kind(struct net_device *dev)
{ … }

static int mlx5e_gen_ip_tunnel_header(char buf[], __u8 *ip_proto,
				      struct mlx5e_encap_entry *e)
{ … }

static char *gen_eth_tnl_hdr(char *buf, struct net_device *dev,
			     struct mlx5e_encap_entry *e,
			     u16 proto)
{ … }

int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
				    struct net_device *mirred_dev,
				    struct mlx5e_encap_entry *e)
{ … }

int mlx5e_tc_tun_update_header_ipv4(struct mlx5e_priv *priv,
				    struct net_device *mirred_dev,
				    struct mlx5e_encap_entry *e)
{ … }

#if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6)
static int mlx5e_route_lookup_ipv6_get(struct mlx5e_priv *priv,
				       struct net_device *dev,
				       struct mlx5e_tc_tun_route_attr *attr)
{ … }

static void mlx5e_route_lookup_ipv6_put(struct mlx5e_tc_tun_route_attr *attr)
{ … }

int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
				    struct net_device *mirred_dev,
				    struct mlx5e_encap_entry *e)
{ … }

int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
				    struct net_device *mirred_dev,
				    struct mlx5e_encap_entry *e)
{ … }
#endif

int mlx5e_tc_tun_route_lookup(struct mlx5e_priv *priv,
			      struct mlx5_flow_spec *spec,
			      struct mlx5_flow_attr *flow_attr,
			      struct net_device *filter_dev)
{ … }

bool mlx5e_tc_tun_device_to_offload(struct mlx5e_priv *priv,
				    struct net_device *netdev)
{ … }

int mlx5e_tc_tun_init_encap_attr(struct net_device *tunnel_dev,
				 struct mlx5e_priv *priv,
				 struct mlx5e_encap_entry *e,
				 struct netlink_ext_ack *extack)
{ … }

int mlx5e_tc_tun_parse(struct net_device *filter_dev,
		       struct mlx5e_priv *priv,
		       struct mlx5_flow_spec *spec,
		       struct flow_cls_offload *f,
		       u8 *match_level)
{ … }

int mlx5e_tc_tun_parse_udp_ports(struct mlx5e_priv *priv,
				 struct mlx5_flow_spec *spec,
				 struct flow_cls_offload *f,
				 void *headers_c,
				 void *headers_v)
{ … }