linux/drivers/net/ethernet/mediatek/mtk_ppe_offload.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  Copyright (C) 2020 Felix Fietkau <[email protected]>
 */

#include <linux/if_ether.h>
#include <linux/rhashtable.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <net/flow_offload.h>
#include <net/pkt_cls.h>
#include <net/dsa.h>
#include "mtk_eth_soc.h"
#include "mtk_wed.h"

struct mtk_flow_data { … };

static const struct rhashtable_params mtk_flow_ht_params = …;

static int
mtk_flow_set_ipv4_addr(struct mtk_eth *eth, struct mtk_foe_entry *foe,
		       struct mtk_flow_data *data, bool egress)
{ … }

static int
mtk_flow_set_ipv6_addr(struct mtk_eth *eth, struct mtk_foe_entry *foe,
		       struct mtk_flow_data *data)
{ … }

static void
mtk_flow_offload_mangle_eth(const struct flow_action_entry *act, void *eth)
{ … }

static int
mtk_flow_get_wdma_info(struct net_device *dev, const u8 *addr, struct mtk_wdma_info *info)
{ … }


static int
mtk_flow_mangle_ports(const struct flow_action_entry *act,
		      struct mtk_flow_data *data)
{ … }

static int
mtk_flow_mangle_ipv4(const struct flow_action_entry *act,
		     struct mtk_flow_data *data)
{ … }

static int
mtk_flow_get_dsa_port(struct net_device **dev)
{ … }

static int
mtk_flow_set_output_device(struct mtk_eth *eth, struct mtk_foe_entry *foe,
			   struct net_device *dev, const u8 *dest_mac,
			   int *wed_index)
{ … }

static int
mtk_flow_offload_replace(struct mtk_eth *eth, struct flow_cls_offload *f,
			 int ppe_index)
{ … }

static int
mtk_flow_offload_destroy(struct mtk_eth *eth, struct flow_cls_offload *f)
{ … }

static int
mtk_flow_offload_stats(struct mtk_eth *eth, struct flow_cls_offload *f)
{ … }

static DEFINE_MUTEX(mtk_flow_offload_mutex);

int mtk_flow_offload_cmd(struct mtk_eth *eth, struct flow_cls_offload *cls,
			 int ppe_index)
{ … }

static int
mtk_eth_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv)
{ … }

static int
mtk_eth_setup_tc_block(struct net_device *dev, struct flow_block_offload *f)
{ … }

int mtk_eth_setup_tc(struct net_device *dev, enum tc_setup_type type,
		     void *type_data)
{ … }

int mtk_eth_offload_init(struct mtk_eth *eth, u8 id)
{ … }