diff options
| author | Anton Kling <anton@kling.gg> | 2023-11-01 21:43:17 +0100 |
|---|---|---|
| committer | Anton Kling <anton@kling.gg> | 2023-11-13 14:55:59 +0100 |
| commit | 359ea12aeee4dd6dfb79c9ba44d7059714e4fa95 (patch) | |
| tree | 879c4be0d7869601963108683faea776027335ce | |
| parent | 027b5e0fb4be55a314d2168c92e99772cc80f442 (diff) | |
ARP: Save the IP, MAC of incoming ARP requests
| -rw-r--r-- | kernel/network/arp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/network/arp.c b/kernel/network/arp.c index ddeb553..dfa1131 100644 --- a/kernel/network/arp.c +++ b/kernel/network/arp.c @@ -120,7 +120,12 @@ void handle_arp(const u8 *payload) { print_mac("dsthw: ", data->dsthw); print_ip("dstpr: ", data->dstpr); - assert(0 == memcmp(data->dstpr, ip_address, sizeof(u8[4]))); + struct ARP_TABLE_ENTRY *entry = find_arp_entry_to_use(); + entry->is_used = 1; + memcpy(entry->mac, data->srchw, sizeof(uint8_t[6])); + memcpy(entry->ip, data->srcpr, sizeof(uint8_t[4])); + + assert(0 == memcmp(data->dstpr, ip_address, sizeof(uint8_t[4]))); // Now we have to construct a ARP response struct ARP_DATA response; |