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net::/ipv4:: namespace, mac/addr filter framework with default filters, dlog on registry overflow

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This commit is contained in:
Ian Gulliver
2026-05-01 10:15:54 -07:00
parent ca624e0e70
commit b82c038091
12 changed files with 216 additions and 113 deletions
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26
include/net.h
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@@ -6,22 +6,28 @@
#include "span_writer.h"
#include "callback_list.h"
struct net_state {
namespace net {
struct state {
eth::mac_addr mac;
ipv4::ip4_addr ip;
};
using net_frame_callback = bool (*)(std::span<const uint8_t> frame);
using frame_callback = bool (*)(std::span<const uint8_t> frame);
using frame_cb_list = callback_list<net_frame_callback, 16>;
using frame_cb_list = callback_list<frame_callback, 16>;
using frame_cb_handle = frame_cb_list::node*;
using ethertype_handler = void (*)(std::span<const uint8_t> frame, span_writer& tx);
using mac_filter = bool (*)(const eth::mac_addr& dst);
bool net_init();
const net_state& net_get_state();
frame_cb_handle net_add_frame_callback(net_frame_callback cb);
void net_remove_frame_callback(frame_cb_handle h);
void net_poll(std::span<uint8_t> tx);
void net_send_raw(std::span<const uint8_t> data);
void net_register_ethertype(uint16_t ethertype_be, ethertype_handler fn);
bool init();
const state& get_state();
frame_cb_handle add_frame_callback(frame_callback cb);
void remove_frame_callback(frame_cb_handle h);
void poll(std::span<uint8_t> tx);
void send_raw(std::span<const uint8_t> data);
void register_ethertype(uint16_t ethertype_be, ethertype_handler fn);
void register_mac_filter(mac_filter fn);
} // namespace net