From: Stefan Brüns Date: Thu, 27 Aug 2015 21:57:18 +0000 (+0200) Subject: net: send RFC1542 compliant value for bootp requests X-Git-Tag: v2016.01-rc1~154^2~24 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=454d9d3ec81c5b77adaecb9a6254336d4c5775a9;p=oweals%2Fu-boot.git net: send RFC1542 compliant value for bootp requests RFC1542, 3.2: "The 'secs' field of a BOOTREQUEST message SHOULD represent the elapsed time, in seconds, since the client sent its first BOOTREQUEST message. Note that this implies that the 'secs' field of the first BOOTREQUEST message SHOULD be set to zero." Signed-off-by: Stefan Brüns Acked-by: Joe Hershberger --- diff --git a/net/bootp.c b/net/bootp.c index 3fac7f3b3a..93eff87246 100644 --- a/net/bootp.c +++ b/net/bootp.c @@ -711,7 +711,11 @@ void bootp_request(void) bp->bp_htype = HWT_ETHER; bp->bp_hlen = HWL_ETHER; bp->bp_hops = 0; - bp->bp_secs = htons(get_timer(0) / 1000); + /* + * according to RFC1542, should be 0 on first request, secs since + * first request otherwise + */ + bp->bp_secs = htons(get_timer(bootp_start) / 1000); zero_ip.s_addr = 0; net_write_ip(&bp->bp_ciaddr, zero_ip); net_write_ip(&bp->bp_yiaddr, zero_ip); @@ -905,7 +909,7 @@ static void dhcp_send_request_packet(struct bootp_hdr *bp_offer) bp->bp_htype = HWT_ETHER; bp->bp_hlen = HWL_ETHER; bp->bp_hops = 0; - bp->bp_secs = htons(get_timer(0) / 1000); + bp->bp_secs = htons(get_timer(bootp_start) / 1000); /* Do not set the client IP, your IP, or server IP yet, since it * hasn't been ACK'ed by the server yet */