Always announce the receive window size as the size of the receive buffer.

[utcp] / utcp.c

diff --git a/utcp.c b/utcp.c
index 5d630694df96100f57e780f855a32cc63f7674bc..d2a777ce00ed9b1d9ea18a622f1ab1523dcc74b5 100644 (file)
--- a/utcp.c
+++ b/utcp.c
@@ -382,7 +382,6 @@ static struct utcp_connection *allocate_connection(struct utcp *utcp, uint16_t s
 #endif
        c->snd.una = c->snd.iss;
        c->snd.nxt = c->snd.iss + 1;
-       c->rcv.wnd = utcp->mtu;
        c->snd.last = c->snd.nxt;
        c->snd.cwnd = utcp->mtu;
        c->utcp = utcp;
@@ -468,7 +467,7 @@ struct utcp_connection *utcp_connect_ex(struct utcp *utcp, uint16_t dst, utcp_re
        pkt.hdr.dst = c->dst;
        pkt.hdr.seq = c->snd.iss;
        pkt.hdr.ack = 0;
-       pkt.hdr.wnd = c->rcv.wnd;
+       pkt.hdr.wnd = c->rcvbuf.maxsize;
        pkt.hdr.ctl = SYN;
        pkt.hdr.aux = 0x0101;
        pkt.init[0] = 1;
@@ -538,7 +537,7 @@ static void ack(struct utcp_connection *c, bool sendatleastone) {
        pkt->hdr.src = c->src;
        pkt->hdr.dst = c->dst;
        pkt->hdr.ack = c->rcv.nxt;
-       pkt->hdr.wnd = c->snd.wnd;
+       pkt->hdr.wnd = c->rcvbuf.maxsize;
        pkt->hdr.ctl = ACK;
        pkt->hdr.aux = 0;
 
@@ -697,7 +696,7 @@ static void retransmit(struct utcp_connection *c) {
 
        pkt->hdr.src = c->src;
        pkt->hdr.dst = c->dst;
-       pkt->hdr.wnd = c->rcv.wnd;
+       pkt->hdr.wnd = c->rcvbuf.maxsize;
        pkt->hdr.aux = 0;
 
        switch(c->state) {
@@ -1073,7 +1072,7 @@ synack:
                        pkt.hdr.dst = c->dst;
                        pkt.hdr.ack = c->rcv.irs + 1;
                        pkt.hdr.seq = c->snd.iss;
-                       pkt.hdr.wnd = c->rcv.wnd;
+                       pkt.hdr.wnd = c->rcvbuf.maxsize;
                        pkt.hdr.ctl = SYN | ACK;
 
                        if(init) {