net: dsa: move tag_8021q headers to their proper place

tag_8021q definitions are all over the place. Some are exported to
linux/dsa/8021q.h (visible by DSA core, taggers, switch drivers and
everyone else), and some are in dsa_priv.h.

Move the structures that don't need external visibility into tag_8021q.c,
and the ones which don't need the world or switch drivers to see them
into tag_8021q.h.

We also have the tag_8021q.h inclusion from switch.c, which is basically
the entire reason why tag_8021q.c was built into DSA in commit
8b6e638b4be2 ("net: dsa: build tag_8021q.c as part of DSA core").
I still don't know how to better deal with that, so leave it alone.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/include/linux/dsa/8021q.h b/include/linux/dsa/8021q.h
index 3ed117e..f3664ee 100644 (file)
--- a/include/linux/dsa/8021q.h
+++ b/include/linux/dsa/8021q.h
@@ -5,28 +5,8 @@
 #ifndef _NET_DSA_8021Q_H
 #define _NET_DSA_8021Q_H
 
-#include <linux/refcount.h>
-#include <linux/types.h>
 #include <net/dsa.h>
-
-struct dsa_switch;
-struct dsa_port;
-struct sk_buff;
-struct net_device;
-
-struct dsa_tag_8021q_vlan {
-       struct list_head list;
-       int port;
-       u16 vid;
-       refcount_t refcount;
-};
-
-struct dsa_8021q_context {
-       struct dsa_switch *ds;
-       struct list_head vlans;
-       /* EtherType of RX VID, used for filtering on master interface */
-       __be16 proto;
-};
+#include <linux/types.h>
 
 int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto);
 
@@ -38,15 +18,6 @@ int dsa_tag_8021q_bridge_join(struct dsa_switch *ds, int port,
 void dsa_tag_8021q_bridge_leave(struct dsa_switch *ds, int port,
                                struct dsa_bridge bridge);
 
-struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
-                              u16 tpid, u16 tci);
-
-void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id,
-                  int *vbid);
-
-struct net_device *dsa_tag_8021q_find_port_by_vbid(struct net_device *master,
-                                                  int vbid);
-
 u16 dsa_tag_8021q_bridge_vid(unsigned int bridge_num);
 
 u16 dsa_tag_8021q_standalone_vid(const struct dsa_port *dp);

diff --git a/include/net/dsa.h b/include/net/dsa.h
index d5bfcb6..9608628 100644 (file)
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -22,6 +22,7 @@
 #include <net/devlink.h>
 #include <net/switchdev.h>
 
+struct dsa_8021q_context;
 struct tc_action;
 struct phy_device;
 struct fixed_phy_status;

diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index aa685d2..2656599 100644 (file)
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -13,15 +13,7 @@
 
 #define DSA_MAX_NUM_OFFLOADING_BRIDGES         BITS_PER_LONG
 
-struct dsa_notifier_tag_8021q_vlan_info;
-
 /* netlink.c */
 extern struct rtnl_link_ops dsa_link_ops __read_mostly;
 
-/* tag_8021q.c */
-int dsa_switch_tag_8021q_vlan_add(struct dsa_switch *ds,
-                                 struct dsa_notifier_tag_8021q_vlan_info *info);
-int dsa_switch_tag_8021q_vlan_del(struct dsa_switch *ds,
-                                 struct dsa_notifier_tag_8021q_vlan_info *info);
-
 #endif

diff --git a/net/dsa/port.c b/net/dsa/port.c
index e6d5c05..67ad1ad 100644 (file)
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -16,6 +16,7 @@
 #include "port.h"
 #include "slave.h"
 #include "switch.h"
+#include "tag_8021q.h"
 
 /**
  * dsa_port_notify - Notify the switching fabric of changes to a port

diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index 4420af0..e53cc0c 100644 (file)
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -17,6 +17,7 @@
 #include "port.h"
 #include "slave.h"
 #include "switch.h"
+#include "tag_8021q.h"
 
 static unsigned int dsa_switch_fastest_ageing_time(struct dsa_switch *ds,
                                                   unsigned int ageing_time)

diff --git a/net/dsa/tag_8021q.c b/net/dsa/tag_8021q.c
index abd994d..ac2eb93 100644 (file)
--- a/net/dsa/tag_8021q.c
+++ b/net/dsa/tag_8021q.c
@@ -11,6 +11,7 @@
 #include "port.h"
 #include "switch.h"
 #include "tag.h"
+#include "tag_8021q.h"
 
 /* Binary structure of the fake 12-bit VID field (when the TPID is
  * ETH_P_DSA_8021Q):
@@ -63,6 +64,20 @@
 #define DSA_8021Q_PORT(x)              (((x) << DSA_8021Q_PORT_SHIFT) & \
                                                 DSA_8021Q_PORT_MASK)
 
+struct dsa_tag_8021q_vlan {
+       struct list_head list;
+       int port;
+       u16 vid;
+       refcount_t refcount;
+};
+
+struct dsa_8021q_context {
+       struct dsa_switch *ds;
+       struct list_head vlans;
+       /* EtherType of RX VID, used for filtering on master interface */
+       __be16 proto;
+};
+
 u16 dsa_tag_8021q_bridge_vid(unsigned int bridge_num)
 {
        /* The VBID value of 0 is reserved for precise TX, but it is also

diff --git a/net/dsa/tag_8021q.h b/net/dsa/tag_8021q.h
new file mode 100644 (file)
index 0000000..b75cbaa
--- /dev/null
+++ b/net/dsa/tag_8021q.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef __DSA_TAG_8021Q_H
+#define __DSA_TAG_8021Q_H
+
+#include <net/dsa.h>
+
+#include "switch.h"
+
+struct sk_buff;
+struct net_device;
+
+struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
+                              u16 tpid, u16 tci);
+
+void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id,
+                  int *vbid);
+
+struct net_device *dsa_tag_8021q_find_port_by_vbid(struct net_device *master,
+                                                  int vbid);
+
+int dsa_switch_tag_8021q_vlan_add(struct dsa_switch *ds,
+                                 struct dsa_notifier_tag_8021q_vlan_info *info);
+int dsa_switch_tag_8021q_vlan_del(struct dsa_switch *ds,
+                                 struct dsa_notifier_tag_8021q_vlan_info *info);
+
+#endif

diff --git a/net/dsa/tag_ocelot_8021q.c b/net/dsa/tag_ocelot_8021q.c
index 7f0c2d7..1f0b8c2 100644 (file)
--- a/net/dsa/tag_ocelot_8021q.c
+++ b/net/dsa/tag_ocelot_8021q.c
@@ -12,6 +12,7 @@
 #include <linux/dsa/ocelot.h>
 
 #include "tag.h"
+#include "tag_8021q.h"
 
 #define OCELOT_8021Q_NAME "ocelot-8021q"
 

diff --git a/net/dsa/tag_sja1105.c b/net/dsa/tag_sja1105.c
index 8f58161..f14f51b 100644 (file)
--- a/net/dsa/tag_sja1105.c
+++ b/net/dsa/tag_sja1105.c
@@ -7,6 +7,7 @@
 #include <linux/packing.h>
 
 #include "tag.h"
+#include "tag_8021q.h"
 
 #define SJA1105_NAME                           "sja1105"
 #define SJA1110_NAME                           "sja1110"