This is supposed to share information between the driver and the tagger,
or used by the tagger to keep some state. Its use is optional.

Signed-off-by: Vladimir Oltean <olte...@gmail.com>
Reviewed-by: Florian Fainelli <f.faine...@gmail.com>
Reviewed-by: Vivien Didelot <vivien.dide...@gmail.com>
---
Changes in v3:
  - None.

Changes in v2:
  - None.

 include/net/dsa.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 0260b73938e2..e20be1ceb306 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -210,6 +210,12 @@ struct dsa_port {
        struct work_struct      xmit_work;
        struct sk_buff_head     xmit_queue;
 
+       /*
+        * Give the switch driver somewhere to hang its per-port private data
+        * structures (accessible from the tagger).
+        */
+       void *priv;
+
        /*
         * Original copy of the master netdev ethtool_ops
         */
-- 
2.17.1

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