IP_MAX_HDR_LENGTH
#define IP_MIN_MTU (IP_MAX_HDR_LENGTH + 8) /* 68 bytes */
#define IP_MAX_OPT_LENGTH (IP_MAX_HDR_LENGTH-IP_SIMPLE_HDR_LENGTH)
#define IP_MIN_MTU (IP_MAX_HDR_LENGTH + 8) /* 68 bytes */
if (ip_hdr_length > IP_MAX_HDR_LENGTH) {
ASSERT(ip_hdr_length <= IP_MAX_HDR_LENGTH);
if (hlen > IP_MAX_HDR_LENGTH)
hlen = IP_MAX_HDR_LENGTH;
if (hlen > IP_MAX_HDR_LENGTH)
hlen = IP_MAX_HDR_LENGTH;
if (ip_hdr_length > IP_MAX_HDR_LENGTH) {
IP_MAX_HDR_LENGTH +
IP_MAX_HDR_LENGTH + TCP_MAX_HDR_LENGTH)