Commit 85b0589e authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

devlink: add trap metadata type for cookie 



Allow driver to indicate cookie metadata for registered traps.

Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Reviewed-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2008495d

include/net/devlink.h

+1 −0
Original line number Diff line number Diff line
@@ -541,6 +541,7 @@ struct devlink_trap_group { 
};



#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT	BIT(0)

#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE	BIT(1)



/**

 * struct devlink_trap - Immutable packet trap attributes.

include/uapi/linux/devlink.h

+2 −0
Original line number Diff line number Diff line
@@ -252,6 +252,8 @@ enum devlink_trap_type { 
enum {

	/* Trap can report input port as metadata */

	DEVLINK_ATTR_TRAP_METADATA_TYPE_IN_PORT,

	/* Trap can report flow action cookie as metadata */

	DEVLINK_ATTR_TRAP_METADATA_TYPE_FA_COOKIE,

};



enum devlink_attr {

net/core/devlink.c

+3 −0
Original line number Diff line number Diff line
@@ -5540,6 +5540,9 @@ static int devlink_trap_metadata_put(struct sk_buff *msg, 
	if ((trap->metadata_cap & DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT) &&

	    nla_put_flag(msg, DEVLINK_ATTR_TRAP_METADATA_TYPE_IN_PORT))

		goto nla_put_failure;

	if ((trap->metadata_cap & DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE) &&

	    nla_put_flag(msg, DEVLINK_ATTR_TRAP_METADATA_TYPE_FA_COOKIE))

		goto nla_put_failure;



	nla_nest_end(msg, attr);

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