l2_packet.h

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#ifndef L2_PACKET_H
#define L2_PACKET_H

struct l2_packet_data;

#ifdef _MSC_VER
#pragma pack(push, 1)
#endif /* _MSC_VER */

struct l2_ethhdr {
        u8 h_dest[ETH_ALEN];
        u8 h_source[ETH_ALEN];
        be16 h_proto;
} STRUCT_PACKED;

#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */

enum l2_packet_filter_type {
        L2_PACKET_FILTER_DHCP,
        L2_PACKET_FILTER_NDISC,
};

struct l2_packet_data * l2_packet_init(
        const char *ifname, const u8 *own_addr, unsigned short protocol,
        void (*rx_callback)(void *ctx, const u8 *src_addr,
                            const u8 *buf, size_t len),
        void *rx_callback_ctx, int l2_hdr);

struct l2_packet_data * l2_packet_init_bridge(
        const char *br_ifname, const char *ifname, const u8 *own_addr,
        unsigned short protocol,
        void (*rx_callback)(void *ctx, const u8 *src_addr,
                            const u8 *buf, size_t len),
        void *rx_callback_ctx, int l2_hdr);

void l2_packet_deinit(struct l2_packet_data *l2);

int l2_packet_get_own_addr(struct l2_packet_data *l2, u8 *addr);

int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
                   const u8 *buf, size_t len);

int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len);


void l2_packet_notify_auth_start(struct l2_packet_data *l2);

int l2_packet_set_packet_filter(struct l2_packet_data *l2,
                                enum l2_packet_filter_type type);

#endif /* L2_PACKET_H */