From 04cd913840298b4aaffcd1a335535f01ec68c146 Mon Sep 17 00:00:00 2001
From: XANTRONIX Development <dev@xantronix.com>
Date: Tue, 28 Jul 2015 00:13:43 -0500
Subject: [PATCH] Good stuff

---
 include/patty/ax25.h       |  2 +-
 include/patty/ax25/frame.h |  3 +++
 src/ax25.c                 | 14 ++++++++++----
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/include/patty/ax25.h b/include/patty/ax25.h
index 93f7405..fc82de8 100644
--- a/include/patty/ax25.h
+++ b/include/patty/ax25.h
@@ -38,7 +38,7 @@ typedef struct _patty_ax25_sock {
 
     int n_maxlen;
     int n_retry;
-    int n_outstanding;
+    int n_window;
 
     int seq_send;
     int seq_recv;
diff --git a/include/patty/ax25/frame.h b/include/patty/ax25/frame.h
index 34b50a1..7e93bf5 100644
--- a/include/patty/ax25/frame.h
+++ b/include/patty/ax25/frame.h
@@ -4,6 +4,9 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#define PATTY_AX25_FRAME_DEFAULT_MAXLEN 256
+#define PATTY_AX25_FRAME_DEFAULT_WINDOW   8
+
 enum patty_ax25_frame_type {
     PATTY_AX25_FRAME_UNKNOWN,
     PATTY_AX25_FRAME_INFO,
diff --git a/src/ax25.c b/src/ax25.c
index dc3d593..a7ccc71 100644
--- a/src/ax25.c
+++ b/src/ax25.c
@@ -73,6 +73,14 @@ error_dict_set:
     return -1;
 }
 
+static void sock_init(patty_ax25_sock *sock) {
+    memset(sock, '\0', sizeof(*sock));
+
+    sock->status   = PATTY_AX25_SOCK_OPEN;
+    sock->n_maxlen = PATTY_AX25_FRAME_DEFAULT_MAXLEN;
+    sock->n_window = PATTY_AX25_FRAME_DEFAULT_WINDOW;
+}
+
 int patty_ax25_socket(patty_ax25 *ax25) {
     patty_ax25_sock *sock;
     int fd;
@@ -81,9 +89,7 @@ int patty_ax25_socket(patty_ax25 *ax25) {
         goto error_malloc_sock;
     }
 
-    memset(sock, '\0', sizeof(*sock));
-
-    sock->status = PATTY_AX25_SOCK_OPEN;
+    sock_init(sock);
 
     if ((fd = fd_store(ax25, sock)) < 0) {
         goto error_fd_store;
@@ -105,7 +111,7 @@ int patty_ax25_open(patty_ax25 *ax25, const char *ifname) {
         goto error_malloc_sock;
     }
 
-    memset(sock, '\0', sizeof(*sock));
+    sock_init(sock);
 
     if ((sock->iface = patty_ax25_get_if(ax25, ifname)) == NULL) {
         goto error_get_if;