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 ed7687bbf5d08f1bb5327f3f8c9e3e543e98e7c2..ddb8b5227580f8d623ebad19167ab6300ff038ae 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 b0e807ac53bbfd3b088533381ecbf25a689633b0..a855f8dcc8eea54d72be24d3b2299bfcd1bd5895 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 a0adfc31a3fe854cd52600f6b2924255aee521c2..4f6f3d601785ce6fa2a0721c24859ae34a8da0b9 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);