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fix up hostapd for mac80211

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9554 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2007-11-16 03:10:56 +00:00
parent a4d094be2a
commit 5fe95d1b66
85 changed files with 5802 additions and 171 deletions
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161
package/mac80211/patches/019-mac80211-key-seq-nl80211.patch Normal file
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@@ -0,0 +1,161 @@
Subject: mac80211: support getting key sequence counters via cfg80211
This implements cfg80211's get_key() to allow retrieving the sequence
counter for a TKIP or CCMP key from userspace. It also cleans up and
documents the associated low-level driver interface.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
---
include/net/mac80211.h | 14 ++------
net/mac80211/cfg.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 89 insertions(+), 10 deletions(-)
Index: mac80211/net/mac80211/cfg.c
===================================================================
--- mac80211.orig/net/mac80211/cfg.c 2007-11-11 15:46:41.497954646 +0100
+++ mac80211/net/mac80211/cfg.c 2007-11-11 15:46:51.346515884 +0100
@@ -1,7 +1,7 @@
/*
* mac80211 configuration hooks for cfg80211
*
- * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
*
* This file is GPLv2 as found in COPYING.
*/
@@ -180,6 +180,88 @@
return 0;
}
+static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
+ u8 key_idx, u8 *mac_addr, void *cookie,
+ void (*callback)(void *cookie,
+ struct key_params *params))
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct sta_info *sta = NULL;
+ u8 seq[6] = {0};
+ struct key_params params;
+ struct ieee80211_key *key;
+ u32 iv32;
+ u16 iv16;
+ int err = -ENOENT;
+
+ if (mac_addr) {
+ sta = sta_info_get(sdata->local, mac_addr);
+ if (!sta)
+ goto out;
+
+ key = sta->key;
+ } else
+ key = sdata->keys[key_idx];
+
+ if (!key)
+ goto out;
+
+ memset(&params, 0, sizeof(params));
+
+ switch (key->conf.alg) {
+ case ALG_TKIP:
+ params.cipher = WLAN_CIPHER_SUITE_TKIP;
+
+ iv32 = key->u.tkip.iv32;
+ iv16 = key->u.tkip.iv16;
+
+ if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
+ sdata->local->ops->get_tkip_seq)
+ sdata->local->ops->get_tkip_seq(
+ local_to_hw(sdata->local),
+ key->conf.hw_key_idx,
+ &iv32, &iv16);
+
+ seq[0] = iv16 & 0xff;
+ seq[1] = (iv16 >> 8) & 0xff;
+ seq[2] = iv32 & 0xff;
+ seq[3] = (iv32 >> 8) & 0xff;
+ seq[4] = (iv32 >> 16) & 0xff;
+ seq[5] = (iv32 >> 24) & 0xff;
+ params.seq = seq;
+ params.seq_len = 6;
+ break;
+ case ALG_CCMP:
+ params.cipher = WLAN_CIPHER_SUITE_CCMP;
+ seq[0] = key->u.ccmp.tx_pn[5];
+ seq[1] = key->u.ccmp.tx_pn[4];
+ seq[2] = key->u.ccmp.tx_pn[3];
+ seq[3] = key->u.ccmp.tx_pn[2];
+ seq[4] = key->u.ccmp.tx_pn[1];
+ seq[5] = key->u.ccmp.tx_pn[0];
+ params.seq = seq;
+ params.seq_len = 6;
+ break;
+ case ALG_WEP:
+ if (key->conf.keylen == 5)
+ params.cipher = WLAN_CIPHER_SUITE_WEP40;
+ else
+ params.cipher = WLAN_CIPHER_SUITE_WEP104;
+ break;
+ }
+
+ params.key = key->conf.key;
+ params.key_len = key->conf.keylen;
+
+ callback(cookie, &params);
+ err = 0;
+
+ out:
+ if (sta)
+ sta_info_put(sta);
+ return err;
+}
+
static int ieee80211_config_default_key(struct wiphy *wiphy,
struct net_device *dev,
u8 key_idx)
@@ -198,5 +280,6 @@
.change_virtual_intf = ieee80211_change_iface,
.add_key = ieee80211_add_key,
.del_key = ieee80211_del_key,
+ .get_key = ieee80211_get_key,
.set_default_key = ieee80211_config_default_key,
};
Index: mac80211/include/net/mac80211.h
===================================================================
--- mac80211.orig/include/net/mac80211.h 2007-11-11 15:46:41.377947807 +0100
+++ mac80211/include/net/mac80211.h 2007-11-11 15:47:08.183475366 +0100
@@ -598,9 +598,6 @@
u8 key[0];
};
-#define IEEE80211_SEQ_COUNTER_RX 0
-#define IEEE80211_SEQ_COUNTER_TX 1
-
/**
* enum set_key_cmd - key command
*
@@ -947,9 +944,9 @@
*
* @get_stats: return low-level statistics
*
- * @get_sequence_counter: For devices that have internal sequence counters this
- * callback allows mac80211 to access the current value of a counter.
- * This callback seems not well-defined, tell us if you need it.
+ * @get_tkip_seq: If your device implements TKIP encryption in hardware this
+ * callback should be provided to read the TKIP transmit IVs (both IV32
+ * and IV16) for the given key from hardware.
*
* @set_rts_threshold: Configuration of RTS threshold (if device needs it)
*
@@ -1022,9 +1019,8 @@
int (*hw_scan)(struct ieee80211_hw *hw, u8 *ssid, size_t len);
int (*get_stats)(struct ieee80211_hw *hw,
struct ieee80211_low_level_stats *stats);
- int (*get_sequence_counter)(struct ieee80211_hw *hw,
- u8* addr, u8 keyidx, u8 txrx,
- u32* iv32, u16* iv16);
+ void (*get_tkip_seq)(struct ieee80211_hw *hw, u8 hw_key_idx,
+ u32 *iv32, u16 *iv16);
int (*set_rts_threshold)(struct ieee80211_hw *hw, u32 value);
int (*set_frag_threshold)(struct ieee80211_hw *hw, u32 value);
int (*set_retry_limit)(struct ieee80211_hw *hw,