xiaoxiang781216 commented on code in PR #7525:
URL: https://github.com/apache/nuttx/pull/7525#discussion_r1032806288
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net/tcp/tcp_conn.c:
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@@ -586,16 +586,32 @@ FAR struct tcp_conn_s *tcp_alloc_conn(void)
void tcp_initialize(void)
{
-#ifndef CONFIG_NET_ALLOC_CONNS
int i;
+#ifndef CONFIG_NET_ALLOC_CONNS
for (i = 0; i < CONFIG_NET_TCP_CONNS; i++)
{
/* Mark the connection closed and move it to the free list */
g_tcp_connections[i].tcpstateflags = TCP_CLOSED;
dq_addlast(&g_tcp_connections[i].sconn.node, &g_free_tcp_connections);
}
+#else
+ FAR struct tcp_conn_s *conn;
+
+ for (i = 0; i < CONFIG_NET_TCP_PREALLOC_CONNS; i++)
+ {
+ conn = kmm_zalloc(sizeof(struct tcp_conn_s));
Review Comment:
If you really want to allocate and free conn dynamically, it could be
achieved simply by:
Set CONFIG_NET_CONNS to 1 and kmm_free conn in case CONFIG_NET_CONNS equals
1 instead put it into free list.
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