xan/patty
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Only set P/F flag on I frames when window is hit

Browse source 
Changes:

    * In src/sock.c, inline function control_i(), only set the P/F flag
      when the window of the peer has just received up to its window
This commit is contained in:
XANTRONIX Development 2020-08-22 22:51:53 -05:00 • committed by XANTRONIX Industrial
parent b619fffb32
commit c6af57b245
1 changed files with 10 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/sock.c
View file

@ -643,7 +643,13 @@ error_invalid_type:
return -1; return -1;
} }
static inline uint16_t control_i(patty_ax25_sock *sock, int ns, int flag) { static inline uint16_t control_i(patty_ax25_sock *sock, int ns) {
int flag = 0;
if (sock->vs == tx_seq(sock, sock->va + sock->n_window_tx - 1)) {
flag = 1;
}
switch (sock->mode) { switch (sock->mode) {
case PATTY_AX25_SOCK_SABM: case PATTY_AX25_SOCK_SABM:
return ((sock->vr & 0x07) << 5) return ((sock->vr & 0x07) << 5)
@ -752,7 +758,7 @@ ssize_t patty_ax25_sock_resend(patty_ax25_sock *sock, int seq) {
return slot->len > 0? frame_send(sock, return slot->len > 0? frame_send(sock,
PATTY_AX25_FRAME_COMMAND, PATTY_AX25_FRAME_COMMAND,
control_i(sock, seq, 0), control_i(sock, seq),
sock->proto, sock->proto,
slot + 1, slot + 1,
slot->len): 0; slot->len): 0;
@ -980,7 +986,7 @@ static ssize_t write_segmented(patty_ax25_sock *sock,
size_t o = 0; size_t o = 0;
uint16_t control = sock->type == PATTY_AX25_SOCK_STREAM? uint16_t control = sock->type == PATTY_AX25_SOCK_STREAM?
control_i(sock, sock->vs, 0): control_i(sock, sock->vs):
control_ui(0); control_ui(0);
if (first) { if (first) {
@ -1042,7 +1048,7 @@ ssize_t patty_ax25_sock_write(patty_ax25_sock *sock,
if (frame_send(sock, if (frame_send(sock,
PATTY_AX25_FRAME_COMMAND, PATTY_AX25_FRAME_COMMAND,
control_i(sock, sock->vs, 0), control_i(sock, sock->vs),
sock->proto, sock->proto,
buf, buf,
len) < 0) { len) < 0) {