The patch below adds a default address (taken from the environment) to the ping command.
diff --git a/common/cmd_net.c b/common/cmd_net.c index 2cb2c5d..9b6a117 100644 --- a/common/cmd_net.c +++ b/common/cmd_net.c @@ -223,21 +223,34 @@ #endif #if (CONFIG_COMMANDS & CFG_CMD_PING) int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { - if (argc < 2) - return -1; + char *s; + char *host; + + if (argc < 2) { + if ((s = getenv("serverip")) != NULL) { + NetPingIP = string_to_ip(s); + host = s; + } + else { + return -1; + } + } + else { + NetPingIP = string_to_ip(argv[1]); + host = argv[1]; + }
- NetPingIP = string_to_ip(argv[1]); if (NetPingIP == 0) { printf ("Usage:\n%s\n", cmdtp->usage); return -1; }
if (NetLoop(PING) < 0) { - printf("ping failed; host %s is not alive\n", argv[1]); + printf("ping failed; host %s is not alive\n", host); return 1; }
- printf("host %s is alive\n", argv[1]); + printf("host %s is alive\n", host);
return 0; } @@ -245,7 +258,7 @@ int do_ping (cmd_tbl_t *cmdtp, int flag, U_BOOT_CMD( ping, 2, 1, do_ping, "ping\t- send ICMP ECHO_REQUEST to network host\n", - "pingAddress\n" + "pingAddress (default is $serverip)\n" ); #endif /* CFG_CMD_PING */
Signed-off-by: Keith Outwater outwater4@comcast.net