Symbol: ICMP_EXT_ECHO
net/ipv4/icmp.c
1298
if (icmphdr->type == ICMP_EXT_ECHO)
net/ipv4/icmp.c
1485
if (icmph->type == ICMP_EXT_ECHO) {
net/ipv4/ping.c
480
(family == AF_INET && type == ICMP_EXT_ECHO && code == 0) ||