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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-10-06 12:04:04 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-10-06 12:04:04 +0000
commit8ddac8e3cd45a826c487e2aac796c48f3c25f0b1 (patch)
tree0a2c7b4cdbdf7c3ab80547d8da05fc804b9ba3d5 /package/mac80211/patches/200-hwkey_len.patch
parent3e7cd682f49bbdf53a918e5d178991a781951bf6 (diff)
add the new compat-wireless for 2.6.27 + multi-rate retry and minstrel patches, rename patches/ for old compat-wireless to patches-old/
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12865 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches/200-hwkey_len.patch')
-rw-r--r--package/mac80211/patches/200-hwkey_len.patch183
1 files changed, 183 insertions, 0 deletions
diff --git a/package/mac80211/patches/200-hwkey_len.patch b/package/mac80211/patches/200-hwkey_len.patch
new file mode 100644
index 000000000..20deeb778
--- /dev/null
+++ b/package/mac80211/patches/200-hwkey_len.patch
@@ -0,0 +1,183 @@
+Free up 2 bytes in skb->cb to be used for multi-rate retry later.
+Move iv_len and icv_len initialization into key alloc.
+
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+
+--- a/include/net/mac80211.h
++++ b/include/net/mac80211.h
+@@ -337,8 +337,6 @@
+ unsigned long jiffies;
+ s8 rts_cts_rate_idx, alt_retry_rate_idx;
+ u8 retry_limit;
+- u8 icv_len;
+- u8 iv_len;
+ } control;
+ struct {
+ u64 ampdu_ack_map;
+@@ -635,6 +633,8 @@
+ */
+ struct ieee80211_key_conf {
+ enum ieee80211_key_alg alg;
++ u8 icv_len;
++ u8 iv_len;
+ u8 hw_key_idx;
+ u8 flags;
+ s8 keyidx;
+--- a/drivers/net/wireless/b43/xmit.c
++++ b/drivers/net/wireless/b43/xmit.c
+@@ -252,7 +252,7 @@
+ }
+
+ /* Hardware appends ICV. */
+- plcp_fragment_len += info->control.icv_len;
++ plcp_fragment_len += info->control.hw_key->icv_len;
+
+ key_idx = b43_kidx_to_fw(dev, key_idx);
+ mac_ctl |= (key_idx << B43_TXH_MAC_KEYIDX_SHIFT) &
+@@ -260,7 +260,7 @@
+ mac_ctl |= (key->algorithm << B43_TXH_MAC_KEYALG_SHIFT) &
+ B43_TXH_MAC_KEYALG;
+ wlhdr_len = ieee80211_hdrlen(fctl);
+- iv_len = min((size_t) info->control.iv_len,
++ iv_len = min((size_t) info->control.hw_key->iv_len,
+ ARRAY_SIZE(txhdr->iv));
+ memcpy(txhdr->iv, ((u8 *) wlhdr) + wlhdr_len, iv_len);
+ }
+--- a/drivers/net/wireless/b43legacy/xmit.c
++++ b/drivers/net/wireless/b43legacy/xmit.c
+@@ -243,7 +243,7 @@
+
+ if (key->enabled) {
+ /* Hardware appends ICV. */
+- plcp_fragment_len += info->control.icv_len;
++ plcp_fragment_len += info->control.hw_key->icv_len;
+
+ key_idx = b43legacy_kidx_to_fw(dev, key_idx);
+ mac_ctl |= (key_idx << B43legacy_TX4_MAC_KEYIDX_SHIFT) &
+@@ -252,7 +252,7 @@
+ B43legacy_TX4_MAC_KEYALG_SHIFT) &
+ B43legacy_TX4_MAC_KEYALG;
+ wlhdr_len = ieee80211_hdrlen(wlhdr->frame_control);
+- iv_len = min((size_t)info->control.iv_len,
++ iv_len = min((size_t)info->control.hw_key->iv_len,
+ ARRAY_SIZE(txhdr->iv));
+ memcpy(txhdr->iv, ((u8 *)wlhdr) + wlhdr_len, iv_len);
+ } else {
+--- a/net/mac80211/wep.c
++++ b/net/mac80211/wep.c
+@@ -313,9 +313,6 @@
+ {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+- info->control.iv_len = WEP_IV_LEN;
+- info->control.icv_len = WEP_ICV_LEN;
+-
+ if (!(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) {
+ if (ieee80211_wep_encrypt(tx->local, skb, tx->key))
+ return -1;
+--- a/net/mac80211/wpa.c
++++ b/net/mac80211/wpa.c
+@@ -152,9 +152,6 @@
+ int len, tail;
+ u8 *pos;
+
+- info->control.icv_len = TKIP_ICV_LEN;
+- info->control.iv_len = TKIP_IV_LEN;
+-
+ if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) &&
+ !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
+ /* hwaccel - with no need for preallocated room for IV/ICV */
+@@ -374,9 +371,6 @@
+ u8 *pos, *pn;
+ int i;
+
+- info->control.icv_len = CCMP_MIC_LEN;
+- info->control.iv_len = CCMP_HDR_LEN;
+-
+ if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) &&
+ !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
+ /* hwaccel - with no need for preallocated room for CCMP "
+--- a/drivers/net/wireless/ath5k/base.c
++++ b/drivers/net/wireless/ath5k/base.c
+@@ -1164,7 +1164,7 @@
+
+ if (info->control.hw_key) {
+ keyidx = info->control.hw_key->hw_key_idx;
+- pktlen += info->control.icv_len;
++ pktlen += info->control.hw_key->icv_len;
+ }
+ ret = ah->ah_setup_tx_desc(ah, ds, pktlen,
+ ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_NORMAL,
+--- a/drivers/net/wireless/ath9k/xmit.c
++++ b/drivers/net/wireless/ath9k/xmit.c
+@@ -237,7 +237,7 @@
+
+ if (tx_info->control.hw_key) {
+ txctl->keyix = tx_info->control.hw_key->hw_key_idx;
+- txctl->frmlen += tx_info->control.icv_len;
++ txctl->frmlen += tx_info->control.hw_key->icv_len;
+
+ if (tx_info->control.hw_key->alg == ALG_WEP)
+ txctl->keytype = ATH9K_KEY_TYPE_WEP;
+--- a/drivers/net/wireless/rt2x00/rt2x00crypto.c
++++ b/drivers/net/wireless/rt2x00/rt2x00crypto.c
+@@ -56,10 +56,10 @@
+ * note that these lengths should only be added when
+ * mac80211 does not generate it.
+ */
+- overhead += tx_info->control.icv_len;
++ overhead += key->icv_len;
+
+ if (!(key->flags & IEEE80211_KEY_FLAG_GENERATE_IV))
+- overhead += tx_info->control.iv_len;
++ overhead += key->iv_len;
+
+ if (!(key->flags & IEEE80211_KEY_FLAG_GENERATE_MMIC)) {
+ if (key->alg == ALG_TKIP)
+--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
++++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
+@@ -374,7 +374,7 @@
+ struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX);
+ struct txentry_desc txdesc;
+ struct skb_frame_desc *skbdesc;
+- unsigned int iv_len = IEEE80211_SKB_CB(skb)->control.iv_len;
++ unsigned int iv_len;
+
+ if (unlikely(rt2x00queue_full(queue)))
+ return -EINVAL;
+@@ -410,8 +410,11 @@
+ * the frame so we can provide it to the driver seperately.
+ */
+ if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc.flags) &&
+- !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc.flags))
++ !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc.flags) &&
++ (IEEE80211_SKB_CB(skb)->control.hw_key != NULL)) {
++ iv_len = IEEE80211_SKB_CB(skb)->control.hw_key->iv_len;
+ rt2x00crypto_tx_remove_iv(skb, iv_len);
++ }
+
+ /*
+ * It could be possible that the queue was corrupted and this
+--- a/net/mac80211/key.c
++++ b/net/mac80211/key.c
+@@ -281,6 +281,20 @@
+ key->conf.alg = alg;
+ key->conf.keyidx = idx;
+ key->conf.keylen = key_len;
++ switch (alg) {
++ case ALG_WEP:
++ key->conf.iv_len = WEP_IV_LEN;
++ key->conf.icv_len = WEP_ICV_LEN;
++ break;
++ case ALG_TKIP:
++ key->conf.iv_len = TKIP_IV_LEN;
++ key->conf.icv_len = TKIP_ICV_LEN;
++ break;
++ case ALG_CCMP:
++ key->conf.iv_len = CCMP_HDR_LEN;
++ key->conf.icv_len = CCMP_MIC_LEN;
++ break;
++ }
+ memcpy(key->conf.key, key_data, key_len);
+ INIT_LIST_HEAD(&key->list);
+ INIT_LIST_HEAD(&key->todo);