Initial commit

package/qca/qca-nss-clients/patches/104-kernel-5.4-support-l2tp.patch

@@ -0,0 +1,64 @@
+--- a/l2tp/l2tpv2/nss_connmgr_l2tpv2.h
++++ b/l2tp/l2tpv2/nss_connmgr_l2tpv2.h
+@@ -30,10 +30,10 @@
+ 
+ #define L2TP_V_2 2
+ 
+-#define tunnel_hold(tunnel) atomic_inc(&tunnel->ref_count)
+-#define tunnel_put(tunnel)  atomic_dec(&tunnel->ref_count)
+-#define session_hold(session) atomic_inc(&session->ref_count)
+-#define session_put(session)  atomic_dec(&session->ref_count)
++#define tunnel_hold(tunnel) refcount_inc(&tunnel->ref_count)
++#define tunnel_put(tunnel)  refcount_dec(&tunnel->ref_count)
++#define session_hold(session) refcount_inc(&session->ref_count)
++#define session_put(session)  refcount_dec(&session->ref_count)
+ 
+  /*
+   *		----------------------------------------------------------------------------------
+--- a/l2tp/l2tpv2/nss_connmgr_l2tpv2.c
++++ b/l2tp/l2tpv2/nss_connmgr_l2tpv2.c
+@@ -244,7 +244,7 @@ static struct nss_connmgr_l2tpv2_session
+ 	 */
+ 	data->l2tpv2.session.session_id = session->session_id;
+ 	data->l2tpv2.session.peer_session_id = session->peer_session_id;
+-	data->l2tpv2.session.offset = session->offset;
++	data->l2tpv2.session.offset = 0;
+ 	data->l2tpv2.session.hdr_len = session->hdr_len;
+ 	data->l2tpv2.session.reorder_timeout = session->reorder_timeout;
+ 	data->l2tpv2.session.recv_seq = session->recv_seq;
+@@ -253,7 +253,7 @@ static struct nss_connmgr_l2tpv2_session
+ 	nss_connmgr_l2tpv2_info("sess %u, peer=%u nr=%u ns=%u off=%u  hdr_len=%u timeout=%x"
+ 	       " recv_seq=%x send_seq=%x\n",
+ 	       session->session_id,  session->peer_session_id, session->nr,
+-	       session->ns,  session->offset, session->hdr_len,
++	       session->ns, 0, session->hdr_len,
+ 	       session->reorder_timeout, session->recv_seq,
+ 	       session->send_seq);
+ 
+--- a/l2tp/l2tpv2/nss_l2tpv2_stats.c
++++ b/l2tp/l2tpv2/nss_l2tpv2_stats.c
+@@ -21,6 +21,7 @@
+  */
+ 
+ #include <linux/types.h>
++#include <linux/netdevice.h>
+ #include <linux/ppp_channel.h>
+ #include <nss_api_if.h>
+ #include <nss_dynamic_interface.h>
+@@ -103,14 +104,14 @@ void nss_l2tpv2_update_dev_stats(struct
+ 	/*
+ 	 * Update tunnel & session stats
+ 	 */
+-	tunnel = l2tp_tunnel_find(dev_net(dev), data.l2tpv2.tunnel.tunnel_id);
++	tunnel = l2tp_tunnel_get(dev_net(dev), data.l2tpv2.tunnel.tunnel_id);
+ 	if (!tunnel) {
+ 		dev_put(dev);
+ 		return;
+ 	}
+ 	tunnel_hold(tunnel);
+ 
+-	session = l2tp_session_find(dev_net(dev), tunnel, data.l2tpv2.session.session_id);
++	session = l2tp_session_get(dev_net(dev), data.l2tpv2.session.session_id);
+ 	if (!session) {
+ 		tunnel_put(tunnel);
+ 		dev_put(dev);