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b8ce0acfa4
Relocate the only macro MAKEWORD that is in use and remove file tmacro.h. File needs to be changed anyhow because of use of CamelCase which is not accepted by checkpatch.pl. Reduced code provides a better overview. Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> Link: https://lore.kernel.org/r/20220416191622.GA11596@matrix-ESPRIMO-P710 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
143 lines
3 KiB
C
143 lines
3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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* All rights reserved.
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*
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* Purpose: Implement functions for 802.11i Key management
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*
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* Author: Jerry Chen
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*
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* Date: May 29, 2003
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*
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*/
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#include "key.h"
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#include "mac.h"
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static int vnt_set_keymode(struct ieee80211_hw *hw, u8 *mac_addr,
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struct ieee80211_key_conf *key, u32 key_type,
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u32 mode, bool onfly_latch)
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{
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struct vnt_private *priv = hw->priv;
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u8 broadcast[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
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u16 key_mode = 0;
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u32 entry = 0;
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u8 *bssid;
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u8 key_inx = key->keyidx;
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u8 i;
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if (mac_addr)
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bssid = mac_addr;
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else
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bssid = &broadcast[0];
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if (key_type != VNT_KEY_DEFAULTKEY) {
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for (i = 0; i < (MAX_KEY_TABLE - 1); i++) {
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if (!test_bit(i, &priv->key_entry_inuse)) {
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set_bit(i, &priv->key_entry_inuse);
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key->hw_key_idx = i;
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entry = key->hw_key_idx;
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break;
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}
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}
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}
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switch (key_type) {
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case VNT_KEY_DEFAULTKEY:
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/* default key last entry */
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entry = MAX_KEY_TABLE - 1;
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key->hw_key_idx = entry;
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fallthrough;
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case VNT_KEY_ALLGROUP:
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key_mode |= VNT_KEY_ALLGROUP;
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if (onfly_latch)
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key_mode |= VNT_KEY_ONFLY_ALL;
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fallthrough;
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case VNT_KEY_GROUP_ADDRESS:
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key_mode |= mode;
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fallthrough;
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case VNT_KEY_GROUP:
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key_mode |= (mode << 4);
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key_mode |= VNT_KEY_GROUP;
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break;
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case VNT_KEY_PAIRWISE:
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key_mode |= mode;
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key_inx = 4;
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break;
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default:
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return -EINVAL;
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}
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if (onfly_latch)
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key_mode |= VNT_KEY_ONFLY;
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if (mode == KEY_CTL_WEP) {
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if (key->keylen == WLAN_KEY_LEN_WEP40)
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key->key[15] &= 0x7f;
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if (key->keylen == WLAN_KEY_LEN_WEP104)
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key->key[15] |= 0x80;
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}
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MACvSetKeyEntry(priv, key_mode, entry, key_inx,
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bssid, (u32 *)key->key, priv->local_id);
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return 0;
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}
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int vnt_set_keys(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
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struct ieee80211_vif *vif, struct ieee80211_key_conf *key)
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{
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struct ieee80211_bss_conf *conf = &vif->bss_conf;
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struct vnt_private *priv = hw->priv;
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u8 *mac_addr = NULL;
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u8 key_dec_mode = 0;
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int ret = 0;
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u32 u;
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if (sta)
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mac_addr = &sta->addr[0];
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switch (key->cipher) {
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case 0:
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for (u = 0 ; u < MAX_KEY_TABLE; u++)
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MACvDisableKeyEntry(priv, u);
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return ret;
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case WLAN_CIPHER_SUITE_WEP40:
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case WLAN_CIPHER_SUITE_WEP104:
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for (u = 0; u < MAX_KEY_TABLE; u++)
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MACvDisableKeyEntry(priv, u);
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vnt_set_keymode(hw, mac_addr,
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key, VNT_KEY_DEFAULTKEY, KEY_CTL_WEP, true);
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key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
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return ret;
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case WLAN_CIPHER_SUITE_TKIP:
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key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
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key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
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key_dec_mode = KEY_CTL_TKIP;
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break;
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case WLAN_CIPHER_SUITE_CCMP:
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key_dec_mode = KEY_CTL_CCMP;
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key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
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}
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if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
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vnt_set_keymode(hw, mac_addr,
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key, VNT_KEY_PAIRWISE, key_dec_mode, true);
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} else {
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vnt_set_keymode(hw, mac_addr,
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key, VNT_KEY_DEFAULTKEY, key_dec_mode, true);
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vnt_set_keymode(hw, (u8 *)conf->bssid,
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key, VNT_KEY_GROUP_ADDRESS, key_dec_mode, true);
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}
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return 0;
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}
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