[tcp] Use a zero window size for RST packets

Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/net/tcp.c b/src/net/tcp.c
index b30fb1b0a49c230543412625031d0d76a0e900e3..3cd357fcae6853a2a7d0eed6f507e840b6686082 100644 (file)
--- a/src/net/tcp.c
+++ b/src/net/tcp.c
@@ -714,7 +714,7 @@ static int tcp_xmit_reset ( struct tcp_connection *tcp,
        tcphdr->ack = in_tcphdr->seq;
        tcphdr->hlen = ( ( sizeof ( *tcphdr ) / 4 ) << 4 );
        tcphdr->flags = ( TCP_RST | TCP_ACK );
-       tcphdr->win = htons ( TCP_MAX_WINDOW_SIZE );
+       tcphdr->win = htons ( 0 );
        tcphdr->csum = tcpip_chksum ( iobuf->data, iob_len ( iobuf ) );
 
        /* Dump header */