diff options
| author | Joe Hershberger <joe.hershberger@ni.com> | 2017-11-07 18:13:40 -0800 |
|---|---|---|
| committer | Joe Hershberger <joe.hershberger@ni.com> | 2018-01-15 12:05:23 -0600 |
| commit | 2099b9f27cebdbee1ff28ccf146c8dba8a922118 (patch) | |
| tree | 2346b18c45aa420efc2fdb4b20d035640ffd1404 /net | |
| parent | d5d5757291509f0716f6c24a391a3ae1f51042be (diff) | |
| download | u-boot-2099b9f27cebdbee1ff28ccf146c8dba8a922118.tar.gz | |
net: dhcp: Allow "MAY_FAIL" to still try each adapter
This change allows the "MAY_FAIL" DHCP option to still attempt to
contact a DHCP server on each adapter and only give up once each
adapter has failed once. To get the existing behavior, set the
already-existing ethrotate=no variable.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Cc: Keng Soon Cheah <keng.soon.cheah@ni.com>
Cc: Chen Yee Chew <chen.yee.chew@ni.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bootp.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/net/bootp.c b/net/bootp.c index 59bb2099f1..efa959971c 100644 --- a/net/bootp.c +++ b/net/bootp.c @@ -386,12 +386,19 @@ static void bootp_timeout_handler(void) if (time_taken >= time_taken_max) { #ifdef CONFIG_BOOTP_MAY_FAIL - puts("\nRetry time exceeded\n"); - net_set_state(NETLOOP_FAIL); -#else - puts("\nRetry time exceeded; starting again\n"); - net_start_again(); + char *ethrotate; + + ethrotate = env_get("ethrotate"); + if ((ethrotate && strcmp(ethrotate, "no") == 0) || + net_restart_wrap) { + puts("\nRetry time exceeded\n"); + net_set_state(NETLOOP_FAIL); + } else #endif + { + puts("\nRetry time exceeded; starting again\n"); + net_start_again(); + } } else { bootp_timeout *= 2; if (bootp_timeout > 2000) |