Commit 25e63e55 authored by Daniel Borkmann's avatar Daniel Borkmann Committed by Jakub Kicinski
Browse files

netkit: Document fast vs slowpath members via macros 



Instead of a comment, just use two cachline groups to document the intent
for members often accessed in fast or slow path.

Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Co-developed-by: default avatarDavid Wei <dw@davidwei.uk>
Signed-off-by: default avatarDavid Wei <dw@davidwei.uk>
Reviewed-by: default avatarNikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20251031212103.310683-11-daniel@iogearbox.net


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 24ab8efb

drivers/net/netkit.c

+4 −2
Original line number Diff line number Diff line
@@ -16,17 +16,19 @@ 
#define DRV_NAME "netkit"



struct netkit {

	/* Needed in fast-path */

	__cacheline_group_begin(netkit_fastpath);

	struct net_device __rcu *peer;

	struct bpf_mprog_entry __rcu *active;

	enum netkit_action policy;

	enum netkit_scrub scrub;

	struct bpf_mprog_bundle	bundle;

	__cacheline_group_end(netkit_fastpath);



	/* Needed in slow-path */

	__cacheline_group_begin(netkit_slowpath);

	enum netkit_mode mode;

	bool primary;

	u32 headroom;

	__cacheline_group_end(netkit_slowpath);

};



struct netkit_link {