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devlink: Add IPv4 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>
hifive-unleashed-5.1
Arkadi Sharshevsky 2017-08-24 08:40:00 +02:00 committed by David S. Miller
parent 1177009131
commit 3fb886ecea
3 changed files with 23 additions and 0 deletions
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1
include/net/devlink.h
View File

@ -329,6 +329,7 @@ int devlink_dpipe_action_put(struct sk_buff *skb,
int devlink_dpipe_match_put(struct sk_buff *skb,
struct devlink_dpipe_match *match);
extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
#else

5
include/uapi/linux/devlink.h
View File

@ -230,8 +230,13 @@ enum devlink_dpipe_field_ethernet_id {
DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
};
enum devlink_dpipe_field_ipv4_id {
DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
};
enum devlink_dpipe_header_id {
DEVLINK_DPIPE_HEADER_ETHERNET,
DEVLINK_DPIPE_HEADER_IPV4,
};
#endif /* _UAPI_LINUX_DEVLINK_H_ */

17
net/core/devlink.c
View File

@ -46,6 +46,23 @@ struct devlink_dpipe_header devlink_dpipe_header_ethernet = {
};
EXPORT_SYMBOL(devlink_dpipe_header_ethernet);
static struct devlink_dpipe_field devlink_dpipe_fields_ipv4[] = {
{
.name = "destination ip",
.id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
.bitwidth = 32,
},
};
struct devlink_dpipe_header devlink_dpipe_header_ipv4 = {
.name = "ipv4",
.id = DEVLINK_DPIPE_HEADER_IPV4,
.fields = devlink_dpipe_fields_ipv4,
.fields_count = ARRAY_SIZE(devlink_dpipe_fields_ipv4),
.global = true,
};
EXPORT_SYMBOL(devlink_dpipe_header_ipv4);
EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwmsg);
static LIST_HEAD(devlink_list);