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c0cb86e1d5
Rather than using the clunky, old, slower wireguard-linux-compat out of tree module, this commit does a patch-by-patch backport of upstream's wireguard to 5.4. This specific backport is in widespread use, being part of SUSE's enterprise kernel, Oracle's enterprise kernel, Google's Android kernel, Gentoo's distro kernel, and probably more I've forgotten about. It's definately the "more proper" way of adding wireguard to a kernel than the ugly compat.h hell of the wireguard-linux-compat repo. And most importantly for OpenWRT, it allows using the same module configuration code for 5.10 as for 5.4, with no need for bifurcation. These patches are from the backport tree which is maintained in the open here: https://git.zx2c4.com/wireguard-linux/log/?h=backport-5.4.y I'll be sending PRs to update this as needed. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> (cherry picked from commit3888fa7880) (cherry picked from commitd540725871) (cherry picked from commit196f3d586f) (cherry picked from commit3500fd7938) (cherry picked from commit23b801d3ba) (cherry picked from commit0c0cb97da7) (cherry picked from commit2a27f6f90a) Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
43 lines
1.4 KiB
Diff
43 lines
1.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
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Date: Mon, 22 Feb 2021 17:25:46 +0100
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Subject: [PATCH] wireguard: peer: put frequently used members above cache
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lines
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commit 5a0598695634a6bb4126818902dd9140cd9df8b6 upstream.
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The is_dead boolean is checked for every single packet, while the
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internal_id member is used basically only for pr_debug messages. So it
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makes sense to hoist up is_dead into some space formerly unused by a
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struct hole, while demoting internal_api to below the lowest struct
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cache line.
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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---
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drivers/net/wireguard/peer.h | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/drivers/net/wireguard/peer.h
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+++ b/drivers/net/wireguard/peer.h
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@@ -39,6 +39,7 @@ struct wg_peer {
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struct crypt_queue tx_queue, rx_queue;
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struct sk_buff_head staged_packet_queue;
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int serial_work_cpu;
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+ bool is_dead;
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struct noise_keypairs keypairs;
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struct endpoint endpoint;
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struct dst_cache endpoint_cache;
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@@ -61,9 +62,8 @@ struct wg_peer {
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struct rcu_head rcu;
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struct list_head peer_list;
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struct list_head allowedips_list;
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- u64 internal_id;
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struct napi_struct napi;
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- bool is_dead;
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+ u64 internal_id;
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};
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struct wg_peer *wg_peer_create(struct wg_device *wg,
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