tIPv4Hdr hdr;
memcpy(&hdr, (const uint8_t*)data + ofs, sizeof(hdr));
TEST_ASSERT_REL(hdr.VerLen >> 4, ==, 4);
+ TEST_ASSERT_REL(IP_Checksum(IP_CHECKSUM_START, sizeof(hdr), &hdr), ==, 0);
+
+ TEST_ASSERT_REL(ntohs(hdr.TotalLength), <=, len - ofs);
+ TEST_ASSERT_REL(ntohs(hdr.FragmentInfo), ==, 0);
+
+ TEST_ASSERT_REL(hdr.TTL, >, 1); // >1 because there's no intervening hops
+ TEST_ASSERT_REL(hdr.Protocol, ==, proto);
+
+ TEST_ASSERT( memcmp(hdr.SrcAddr, Src, 4) == 0 );
+ TEST_ASSERT( memcmp(hdr.DstAddr, Dst, 4) == 0 );
- return false;
+ *ofs_out = ofs + (hdr.VerLen & 0xF) * 4;
+ return true;
}
else {
TEST_WARN("Invalid AF(%i) in IP_Pkt_Check", AF);