Enable retransmit timer for SYN packets.

[utcp] / utcp.c

diff --git a/utcp.c b/utcp.c
index 906068c0125c8c25b91bcf0b6a6585d97ee64c24..a8ea8272972650a773b45009f83e23ec02da4d05 100644 (file)
--- a/utcp.c
+++ b/utcp.c
@@ -418,6 +418,8 @@ struct utcp_connection *utcp_connect_ex(struct utcp *utcp, uint16_t dst, utcp_re
        gettimeofday(&c->conn_timeout, NULL);
        c->conn_timeout.tv_sec += utcp->timeout;
 
+       start_retransmit_timer(c);
+
        return c;
 }
 
@@ -585,12 +587,18 @@ static void retransmit(struct utcp_connection *c) {
 
        switch(c->state) {
                case SYN_SENT:
+                       fprintf(stderr, "Retransmitting SYN\n");
                        // Send our SYN again
                        pkt->hdr.seq = c->snd.iss;
                        pkt->hdr.ack = 0;
                        pkt->hdr.ctl = SYN;
-                       print_packet(c->utcp, "rtrx", pkt, sizeof pkt->hdr);
-                       utcp->send(utcp, pkt, sizeof pkt->hdr);
+                       pkt->hdr.aux = 0x0101;
+                       pkt->data[0] = 1;
+                       pkt->data[1] = 0;
+                       pkt->data[2] = 0;
+                       pkt->data[3] = c->flags & 0x7;
+                       print_packet(c->utcp, "rtrx", pkt, sizeof pkt->hdr + 4);
+                       utcp->send(utcp, pkt, sizeof pkt->hdr + 4);
                        break;
 
                case SYN_RECEIVED: