devlink: Add Ethernet header for dpipe

This will be used by the IPv4 host table which will be introduced in the
following patches. This header is global and can be reused by many
drivers.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/devlink.h b/include/net/devlink.h
index ed7687b..ddb8b52 100644 (file)
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -328,6 +328,7 @@ int devlink_dpipe_action_put(struct sk_buff *skb,
                             struct devlink_dpipe_action *action);
 int devlink_dpipe_match_put(struct sk_buff *skb,
                            struct devlink_dpipe_match *match);
+extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
 
 #else
 

diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
index b0e807a..a855f8d 100644 (file)
--- a/include/uapi/linux/devlink.h
+++ b/include/uapi/linux/devlink.h
@@ -226,4 +226,12 @@ enum devlink_dpipe_action_type {
        DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY,
 };
 
+enum devlink_dpipe_field_ethernet_id {
+       DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
+};
+
+enum devlink_dpipe_header_id {
+       DEVLINK_DPIPE_HEADER_ETHERNET,
+};
+
 #endif /* _UAPI_LINUX_DEVLINK_H_ */

diff --git a/net/core/devlink.c b/net/core/devlink.c
index a0adfc3..4f6f3d6 100644 (file)
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -29,6 +29,23 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/devlink.h>
 
+static struct devlink_dpipe_field devlink_dpipe_fields_ethernet[] = {
+       {
+               .name = "destination_mac",
+               .id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
+               .bitwidth = 48,
+       },
+};
+
+struct devlink_dpipe_header devlink_dpipe_header_ethernet = {
+       .name = "ethernet",
+       .id = DEVLINK_DPIPE_HEADER_ETHERNET,
+       .fields = devlink_dpipe_fields_ethernet,
+       .fields_count = ARRAY_SIZE(devlink_dpipe_fields_ethernet),
+       .global = true,
+};
+EXPORT_SYMBOL(devlink_dpipe_header_ethernet);
+
 EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwmsg);
 
 static LIST_HEAD(devlink_list);