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52 lines
1.8 KiB
Diff
52 lines
1.8 KiB
Diff
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From 710e6cc1595e25378c4b9977f7a8b4ad4a72a109 Mon Sep 17 00:00:00 2001
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From: Stanislaw Gruszka <sgruszka@redhat.com>
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Date: Sat, 15 Jun 2019 12:00:58 +0200
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Subject: [PATCH 05/15] rt2800: do not nullify initialization vector data
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If we restart hw we should keep existing IV (initialization vector)
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otherwise HW encryption will be broken after restart.
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Also fix some coding style issues on the way.
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Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 9 ++++-----
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1 file changed, 4 insertions(+), 5 deletions(-)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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@@ -1658,14 +1658,15 @@ static void rt2800_config_wcid_attr_ciph
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offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
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- memset(&iveiv_entry, 0, sizeof(iveiv_entry));
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+ rt2800_register_multiread(rt2x00dev, offset,
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+ &iveiv_entry, sizeof(iveiv_entry));
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if ((crypto->cipher == CIPHER_TKIP) ||
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(crypto->cipher == CIPHER_TKIP_NO_MIC) ||
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(crypto->cipher == CIPHER_AES))
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iveiv_entry.iv[3] |= 0x20;
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iveiv_entry.iv[3] |= key->keyidx << 6;
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rt2800_register_multiwrite(rt2x00dev, offset,
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- &iveiv_entry, sizeof(iveiv_entry));
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+ &iveiv_entry, sizeof(iveiv_entry));
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}
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int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
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@@ -6090,13 +6091,11 @@ static int rt2800_init_registers(struct
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* ASIC will keep garbage value after boot, clear encryption keys.
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*/
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for (i = 0; i < 4; i++)
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- rt2800_register_write(rt2x00dev,
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- SHARED_KEY_MODE_ENTRY(i), 0);
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+ rt2800_register_write(rt2x00dev, SHARED_KEY_MODE_ENTRY(i), 0);
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for (i = 0; i < 256; i++) {
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rt2800_config_wcid(rt2x00dev, NULL, i);
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rt2800_delete_wcid_attr(rt2x00dev, i);
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- rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
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}
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/*
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