ethernet_bridge.h

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/*
 * Copyright (c) 2021 BayLibre SAS
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_NET_ETHERNET_BRIDGE_H_
#define ZEPHYR_INCLUDE_NET_ETHERNET_BRIDGE_H_
 
#include <sys/slist.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct eth_bridge {
        struct k_mutex lock;
        sys_slist_t interfaces;
        sys_slist_t listeners;
};
 
#define ETH_BRIDGE_INITIALIZER(obj) \
        { \
                .lock           = { }, \
                .interfaces     = SYS_SLIST_STATIC_INIT(&obj.interfaces), \
                .listeners      = SYS_SLIST_STATIC_INIT(&obj.listeners), \
        }
 
#define ETH_BRIDGE_INIT(name) \
        STRUCT_SECTION_ITERABLE(eth_bridge, name) = \
                ETH_BRIDGE_INITIALIZER(name)
 
struct eth_bridge_iface_context {
        sys_snode_t node;
        struct eth_bridge *instance;
        bool allow_tx;
};
 
struct eth_bridge_listener {
        sys_snode_t node;
        struct k_fifo pkt_queue;
};
 
int eth_bridge_iface_add(struct eth_bridge *br, struct net_if *iface);
 
int eth_bridge_iface_remove(struct eth_bridge *br, struct net_if *iface);
 
int eth_bridge_iface_allow_tx(struct net_if *iface, bool allow);
 
int eth_bridge_listener_add(struct eth_bridge *br, struct eth_bridge_listener *l);
 
int eth_bridge_listener_remove(struct eth_bridge *br, struct eth_bridge_listener *l);
 
int eth_bridge_get_index(struct eth_bridge *br);
 
struct eth_bridge *eth_bridge_get_by_index(int index);
 
typedef void (*eth_bridge_cb_t)(struct eth_bridge *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_ */