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Add ping rate tests, discover_peer helper, standardize prepend_buffer to 4096

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This commit is contained in:
Ian Gulliver
2026-04-11 09:17:46 +09:00
parent a6225faa2b
commit 1843660e6f
6 changed files with 199 additions and 68 deletions
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8
firmware/include/icmp.h
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@@ -25,15 +25,17 @@ template <typename Buf>
void prepend_echo_request(Buf& buf,
eth::mac_addr src_mac, ipv4::ip4_addr src_ip,
eth::mac_addr dst_mac, ipv4::ip4_addr dst_ip,
uint16_t id, uint16_t seq) {
uint16_t id, uint16_t seq,
size_t payload_len = 0) {
auto* e = buf.template prepend<echo>();
e->type = 8;
e->code = 0;
e->checksum = 0;
e->id = id;
e->seq = seq;
e->checksum = ipv4::checksum(e, sizeof(echo));
ipv4::prepend(buf, dst_mac, src_mac, src_ip, dst_ip, 1, sizeof(echo));
size_t icmp_len = sizeof(echo) + payload_len;
e->checksum = ipv4::checksum(e, icmp_len);
ipv4::prepend(buf, dst_mac, src_mac, src_ip, dst_ip, 1, icmp_len);
}
bool parse_echo_reply(std::span<const uint8_t> frame, ipv4::ip4_addr& src_ip, uint16_t expected_id);