ethernet_bridge.h

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/*
 * Copyright (c) 2021 BayLibre SAS
 * Copyright (c) 2024 Nordic Semiconductor
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_NET_ETHERNET_BRIDGE_H_
#define ZEPHYR_INCLUDE_NET_ETHERNET_BRIDGE_H_
 
#include <zephyr/sys/slist.h>
#include <zephyr/sys/iterable_sections.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#if defined(CONFIG_NET_ETHERNET_BRIDGE)
#define NET_ETHERNET_BRIDGE_ETH_INTERFACE_COUNT CONFIG_NET_ETHERNET_BRIDGE_ETH_INTERFACE_COUNT
#else
#define NET_ETHERNET_BRIDGE_ETH_INTERFACE_COUNT 1
#endif
 
struct eth_bridge_iface_context {
        /* Lock to protect access to interface array below */
        struct k_mutex lock;
 
        /* The actual bridge virtual interface  */
        struct net_if *iface;
 
        /* What Ethernet interfaces are bridged together */
        struct net_if *eth_iface[NET_ETHERNET_BRIDGE_ETH_INTERFACE_COUNT];
 
        /* How many interfaces are bridged atm */
        size_t count;
 
        /* Bridge instance id */
        int id;
 
        /* Is the bridge interface initialized */
        bool is_init : 1;
 
        /* Has user configured the bridge */
        bool is_setup : 1;
 
        /* Is the interface enabled or not */
        bool status : 1;
};
 
int eth_bridge_iface_add(struct net_if *br, struct net_if *iface);
 
int eth_bridge_iface_remove(struct net_if *br, struct net_if *iface);
 
int eth_bridge_get_index(struct net_if *br);
 
struct net_if *eth_bridge_get_by_index(int index);
 
typedef void (*eth_bridge_cb_t)(struct eth_bridge_iface_context *br, void *user_data);
 
void net_eth_bridge_foreach(eth_bridge_cb_t cb, void *user_data);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_NET_ETHERNET_BRIDGE_H_ */