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mac80211: rt2x00: backport patch enabling MFP 

From: Rui Salvaterra <rsalvaterra@gmail.com>
Date: Mon, 25 May 2020 14:49:07 +0100
Subject: [PATCH] rt2800: enable MFP support unconditionally

This gives us WPA3 support out of the box without having to manually disable
hardware crypto. The driver will fall back to software crypto if the connection
requires management frame protection.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
master
Daniel Golle 2020-05-30 09:36:17 +01:00
parent f8b4aa5062
commit a002a24536
1 changed files with 44 additions and 0 deletions
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44
package/kernel/mac80211/patches/rt2x00/001-rt2800-enable-MFP-support-unconditionally.patch Normal file
View File

@ -0,0 +1,44 @@
From b6b15e20421fefae9f78274f9fef80bc97bf5d5c Mon Sep 17 00:00:00 2001
From: Rui Salvaterra <rsalvaterra@gmail.com>
Date: Mon, 25 May 2020 14:49:07 +0100
Subject: [PATCH] rt2800: enable MFP support unconditionally
This gives us WPA3 support out of the box without having to manually disable
hardware crypto. The driver will fall back to software crypto if the connection
requires management frame protection.
Suggested-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200525134906.1672-1-rsalvaterra@gmail.com
---
drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 4 +---
drivers/net/wireless/ralink/rt2x00/rt2x00mac.c | 3 ++-
2 files changed, 3 insertions(+), 4 deletions(-)
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -9971,9 +9971,7 @@ static int rt2800_probe_hw_mode(struct r
if (!rt2x00_is_usb(rt2x00dev))
ieee80211_hw_set(rt2x00dev->hw, HOST_BROADCAST_PS_BUFFERING);
- /* Set MFP if HW crypto is disabled. */
- if (rt2800_hwcrypt_disabled(rt2x00dev))
- ieee80211_hw_set(rt2x00dev->hw, MFP_CAPABLE);
+ ieee80211_hw_set(rt2x00dev->hw, MFP_CAPABLE);
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
@@ -468,7 +468,8 @@ int rt2x00mac_set_key(struct ieee80211_h
if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
return 0;
- if (!rt2x00_has_cap_hw_crypto(rt2x00dev))
+ /* The hardware can't do MFP */
+ if (!rt2x00_has_cap_hw_crypto(rt2x00dev) || (sta && sta->mfp))
return -EOPNOTSUPP;
/*