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devlink: Add IPv6 header for dpipe 

This will be used by the IPv6 host table which will be introduced in the
following patches. The fields in the header are added per-use. 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 2017-08-31 17:59:12 +02:00 committed by David S. Miller
parent 84ccac6e78
commit 1797f5b3cf
3 changed files with 23 additions and 0 deletions
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1
include/net/devlink.h
View File

@ -330,6 +330,7 @@ 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;
extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
#else

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

@ -234,9 +234,14 @@ enum devlink_dpipe_field_ipv4_id {
DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
};
enum devlink_dpipe_field_ipv6_id {
DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
};
enum devlink_dpipe_header_id {
DEVLINK_DPIPE_HEADER_ETHERNET,
DEVLINK_DPIPE_HEADER_IPV4,
DEVLINK_DPIPE_HEADER_IPV6,
};
#endif /* _UAPI_LINUX_DEVLINK_H_ */

17
net/core/devlink.c
View File

@ -63,6 +63,23 @@ struct devlink_dpipe_header devlink_dpipe_header_ipv4 = {
};
EXPORT_SYMBOL(devlink_dpipe_header_ipv4);
static struct devlink_dpipe_field devlink_dpipe_fields_ipv6[] = {
{
.name = "destination ip",
.id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
.bitwidth = 128,
},
};
struct devlink_dpipe_header devlink_dpipe_header_ipv6 = {
.name = "ipv6",
.id = DEVLINK_DPIPE_HEADER_IPV6,
.fields = devlink_dpipe_fields_ipv6,
.fields_count = ARRAY_SIZE(devlink_dpipe_fields_ipv6),
.global = true,
};
EXPORT_SYMBOL(devlink_dpipe_header_ipv6);
EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwmsg);
static LIST_HEAD(devlink_list);