mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-28 18:59:54 +02:00
262b52bab2
git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@21649 3c298f89-4303-0410-b956-a3cf2f4a3e73
256 lines
7.2 KiB
Diff
256 lines
7.2 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/main.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/main.c
|
|
@@ -622,234 +622,6 @@ static u32 ath_get_extchanmode(struct at
|
|
return chanmode;
|
|
}
|
|
|
|
-static int ath_setkey_tkip(struct ath_common *common, u16 keyix, const u8 *key,
|
|
- struct ath9k_keyval *hk, const u8 *addr,
|
|
- bool authenticator)
|
|
-{
|
|
- struct ath_hw *ah = common->ah;
|
|
- const u8 *key_rxmic;
|
|
- const u8 *key_txmic;
|
|
-
|
|
- key_txmic = key + NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY;
|
|
- key_rxmic = key + NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY;
|
|
-
|
|
- if (addr == NULL) {
|
|
- /*
|
|
- * Group key installation - only two key cache entries are used
|
|
- * regardless of splitmic capability since group key is only
|
|
- * used either for TX or RX.
|
|
- */
|
|
- if (authenticator) {
|
|
- memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
|
|
- memcpy(hk->kv_txmic, key_txmic, sizeof(hk->kv_mic));
|
|
- } else {
|
|
- memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
|
|
- memcpy(hk->kv_txmic, key_rxmic, sizeof(hk->kv_mic));
|
|
- }
|
|
- return ath9k_hw_set_keycache_entry(ah, keyix, hk, addr);
|
|
- }
|
|
- if (!common->splitmic) {
|
|
- /* TX and RX keys share the same key cache entry. */
|
|
- memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
|
|
- memcpy(hk->kv_txmic, key_txmic, sizeof(hk->kv_txmic));
|
|
- return ath9k_hw_set_keycache_entry(ah, keyix, hk, addr);
|
|
- }
|
|
-
|
|
- /* Separate key cache entries for TX and RX */
|
|
-
|
|
- /* TX key goes at first index, RX key at +32. */
|
|
- memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
|
|
- if (!ath9k_hw_set_keycache_entry(ah, keyix, hk, NULL)) {
|
|
- /* TX MIC entry failed. No need to proceed further */
|
|
- ath_print(common, ATH_DBG_FATAL,
|
|
- "Setting TX MIC Key Failed\n");
|
|
- return 0;
|
|
- }
|
|
-
|
|
- memcpy(hk->kv_mic, key_rxmic, sizeof(hk->kv_mic));
|
|
- /* XXX delete tx key on failure? */
|
|
- return ath9k_hw_set_keycache_entry(ah, keyix + 32, hk, addr);
|
|
-}
|
|
-
|
|
-static int ath_reserve_key_cache_slot_tkip(struct ath_common *common)
|
|
-{
|
|
- int i;
|
|
-
|
|
- for (i = IEEE80211_WEP_NKID; i < common->keymax / 2; i++) {
|
|
- if (test_bit(i, common->keymap) ||
|
|
- test_bit(i + 64, common->keymap))
|
|
- continue; /* At least one part of TKIP key allocated */
|
|
- if (common->splitmic &&
|
|
- (test_bit(i + 32, common->keymap) ||
|
|
- test_bit(i + 64 + 32, common->keymap)))
|
|
- continue; /* At least one part of TKIP key allocated */
|
|
-
|
|
- /* Found a free slot for a TKIP key */
|
|
- return i;
|
|
- }
|
|
- return -1;
|
|
-}
|
|
-
|
|
-static int ath_reserve_key_cache_slot(struct ath_common *common)
|
|
-{
|
|
- int i;
|
|
-
|
|
- /* First, try to find slots that would not be available for TKIP. */
|
|
- if (common->splitmic) {
|
|
- for (i = IEEE80211_WEP_NKID; i < common->keymax / 4; i++) {
|
|
- if (!test_bit(i, common->keymap) &&
|
|
- (test_bit(i + 32, common->keymap) ||
|
|
- test_bit(i + 64, common->keymap) ||
|
|
- test_bit(i + 64 + 32, common->keymap)))
|
|
- return i;
|
|
- if (!test_bit(i + 32, common->keymap) &&
|
|
- (test_bit(i, common->keymap) ||
|
|
- test_bit(i + 64, common->keymap) ||
|
|
- test_bit(i + 64 + 32, common->keymap)))
|
|
- return i + 32;
|
|
- if (!test_bit(i + 64, common->keymap) &&
|
|
- (test_bit(i , common->keymap) ||
|
|
- test_bit(i + 32, common->keymap) ||
|
|
- test_bit(i + 64 + 32, common->keymap)))
|
|
- return i + 64;
|
|
- if (!test_bit(i + 64 + 32, common->keymap) &&
|
|
- (test_bit(i, common->keymap) ||
|
|
- test_bit(i + 32, common->keymap) ||
|
|
- test_bit(i + 64, common->keymap)))
|
|
- return i + 64 + 32;
|
|
- }
|
|
- } else {
|
|
- for (i = IEEE80211_WEP_NKID; i < common->keymax / 2; i++) {
|
|
- if (!test_bit(i, common->keymap) &&
|
|
- test_bit(i + 64, common->keymap))
|
|
- return i;
|
|
- if (test_bit(i, common->keymap) &&
|
|
- !test_bit(i + 64, common->keymap))
|
|
- return i + 64;
|
|
- }
|
|
- }
|
|
-
|
|
- /* No partially used TKIP slots, pick any available slot */
|
|
- for (i = IEEE80211_WEP_NKID; i < common->keymax; i++) {
|
|
- /* Do not allow slots that could be needed for TKIP group keys
|
|
- * to be used. This limitation could be removed if we know that
|
|
- * TKIP will not be used. */
|
|
- if (i >= 64 && i < 64 + IEEE80211_WEP_NKID)
|
|
- continue;
|
|
- if (common->splitmic) {
|
|
- if (i >= 32 && i < 32 + IEEE80211_WEP_NKID)
|
|
- continue;
|
|
- if (i >= 64 + 32 && i < 64 + 32 + IEEE80211_WEP_NKID)
|
|
- continue;
|
|
- }
|
|
-
|
|
- if (!test_bit(i, common->keymap))
|
|
- return i; /* Found a free slot for a key */
|
|
- }
|
|
-
|
|
- /* No free slot found */
|
|
- return -1;
|
|
-}
|
|
-
|
|
-static int ath_key_config(struct ath_common *common,
|
|
- struct ieee80211_vif *vif,
|
|
- struct ieee80211_sta *sta,
|
|
- struct ieee80211_key_conf *key)
|
|
-{
|
|
- struct ath_hw *ah = common->ah;
|
|
- struct ath9k_keyval hk;
|
|
- const u8 *mac = NULL;
|
|
- int ret = 0;
|
|
- int idx;
|
|
-
|
|
- memset(&hk, 0, sizeof(hk));
|
|
-
|
|
- switch (key->alg) {
|
|
- case ALG_WEP:
|
|
- hk.kv_type = ATH9K_CIPHER_WEP;
|
|
- break;
|
|
- case ALG_TKIP:
|
|
- hk.kv_type = ATH9K_CIPHER_TKIP;
|
|
- break;
|
|
- case ALG_CCMP:
|
|
- hk.kv_type = ATH9K_CIPHER_AES_CCM;
|
|
- break;
|
|
- default:
|
|
- return -EOPNOTSUPP;
|
|
- }
|
|
-
|
|
- hk.kv_len = key->keylen;
|
|
- memcpy(hk.kv_val, key->key, key->keylen);
|
|
-
|
|
- if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
|
|
- /* For now, use the default keys for broadcast keys. This may
|
|
- * need to change with virtual interfaces. */
|
|
- idx = key->keyidx;
|
|
- } else if (key->keyidx) {
|
|
- if (WARN_ON(!sta))
|
|
- return -EOPNOTSUPP;
|
|
- mac = sta->addr;
|
|
-
|
|
- if (vif->type != NL80211_IFTYPE_AP) {
|
|
- /* Only keyidx 0 should be used with unicast key, but
|
|
- * allow this for client mode for now. */
|
|
- idx = key->keyidx;
|
|
- } else
|
|
- return -EIO;
|
|
- } else {
|
|
- if (WARN_ON(!sta))
|
|
- return -EOPNOTSUPP;
|
|
- mac = sta->addr;
|
|
-
|
|
- if (key->alg == ALG_TKIP)
|
|
- idx = ath_reserve_key_cache_slot_tkip(common);
|
|
- else
|
|
- idx = ath_reserve_key_cache_slot(common);
|
|
- if (idx < 0)
|
|
- return -ENOSPC; /* no free key cache entries */
|
|
- }
|
|
-
|
|
- if (key->alg == ALG_TKIP)
|
|
- ret = ath_setkey_tkip(common, idx, key->key, &hk, mac,
|
|
- vif->type == NL80211_IFTYPE_AP);
|
|
- else
|
|
- ret = ath9k_hw_set_keycache_entry(ah, idx, &hk, mac);
|
|
-
|
|
- if (!ret)
|
|
- return -EIO;
|
|
-
|
|
- set_bit(idx, common->keymap);
|
|
- if (key->alg == ALG_TKIP) {
|
|
- set_bit(idx + 64, common->keymap);
|
|
- if (common->splitmic) {
|
|
- set_bit(idx + 32, common->keymap);
|
|
- set_bit(idx + 64 + 32, common->keymap);
|
|
- }
|
|
- }
|
|
-
|
|
- return idx;
|
|
-}
|
|
-
|
|
-static void ath_key_delete(struct ath_common *common, struct ieee80211_key_conf *key)
|
|
-{
|
|
- struct ath_hw *ah = common->ah;
|
|
-
|
|
- ath9k_hw_keyreset(ah, key->hw_key_idx);
|
|
- if (key->hw_key_idx < IEEE80211_WEP_NKID)
|
|
- return;
|
|
-
|
|
- clear_bit(key->hw_key_idx, common->keymap);
|
|
- if (key->alg != ALG_TKIP)
|
|
- return;
|
|
-
|
|
- clear_bit(key->hw_key_idx + 64, common->keymap);
|
|
- if (common->splitmic) {
|
|
- ath9k_hw_keyreset(ah, key->hw_key_idx + 32);
|
|
- clear_bit(key->hw_key_idx + 32, common->keymap);
|
|
- clear_bit(key->hw_key_idx + 64 + 32, common->keymap);
|
|
- }
|
|
-}
|
|
-
|
|
static void ath9k_bss_assoc_info(struct ath_softc *sc,
|
|
struct ieee80211_vif *vif,
|
|
struct ieee80211_bss_conf *bss_conf)
|
|
@@ -1814,7 +1586,7 @@ static int ath9k_set_key(struct ieee8021
|
|
|
|
switch (cmd) {
|
|
case SET_KEY:
|
|
- ret = ath_key_config(common, vif, sta, key);
|
|
+ ret = ath9k_cmn_key_config(common, vif, sta, key);
|
|
if (ret >= 0) {
|
|
key->hw_key_idx = ret;
|
|
/* push IV and Michael MIC generation to stack */
|
|
@@ -1827,7 +1599,7 @@ static int ath9k_set_key(struct ieee8021
|
|
}
|
|
break;
|
|
case DISABLE_KEY:
|
|
- ath_key_delete(common, key);
|
|
+ ath9k_cmn_key_delete(common, key);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|