do_ping
if (chan->do_ping) {
if (chan->do_ping)
chan->do_ping = 0;
chan->do_ping = 0;
chan->do_ping = 0;
chan->do_ping = qh->ping_state;
} else if (chan->do_ping) {
if (chan->do_ping)
u8 do_ping;
if (do_ping(cmd_fd, buf, page_size, src, true, 0, 0, udp_ping_send)) {
if (do_ping(cmd_fd, buf, page_size, tunsrc,
if (do_ping(cmd_fd, buf, page_size, tun_reply ? tunsrc : src,