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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>
This commit is contained in:
Arkadi Sharshevsky 2017-08-24 08:39:59 +02:00 committed by David S. Miller
parent a5e2da6e97
commit 1177009131
3 changed files with 26 additions and 0 deletions
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1
include/net/devlink.h
View File

@ -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

8
include/uapi/linux/devlink.h
View File

@ -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_ */

17
net/core/devlink.c
View File

@ -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);