From 67a7daa938671a5c7006e5d689c297a26499d75c Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 26 Jun 2016 19:00:01 +0200 Subject: mac80211: update to wireless-testing 2016-06-20 Signed-off-by: Felix Fietkau --- ...-mac80211-add-hdrlen-to-ieee80211_tx_data.patch | 203 +++++++++++++++++++++ 1 file changed, 203 insertions(+) create mode 100644 package/kernel/mac80211/patches/306-mac80211-add-hdrlen-to-ieee80211_tx_data.patch (limited to 'package/kernel/mac80211/patches/306-mac80211-add-hdrlen-to-ieee80211_tx_data.patch') diff --git a/package/kernel/mac80211/patches/306-mac80211-add-hdrlen-to-ieee80211_tx_data.patch b/package/kernel/mac80211/patches/306-mac80211-add-hdrlen-to-ieee80211_tx_data.patch new file mode 100644 index 0000000..4a8f143 --- /dev/null +++ b/package/kernel/mac80211/patches/306-mac80211-add-hdrlen-to-ieee80211_tx_data.patch @@ -0,0 +1,203 @@ +From: Janusz Dziedzic +Date: Fri, 19 Feb 2016 11:01:49 +0100 +Subject: [PATCH] mac80211: add hdrlen to ieee80211_tx_data + +Add hdrlen to ieee80211_tx_data and use this +when wep/ccmd/tkip. This is preparation for +aligned4 code. + +Signed-off-by: Janusz Dziedzic +--- + +--- a/net/mac80211/ieee80211_i.h ++++ b/net/mac80211/ieee80211_i.h +@@ -173,6 +173,7 @@ struct ieee80211_tx_data { + struct ieee80211_tx_rate rate; + + unsigned int flags; ++ unsigned int hdrlen; + }; + + +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -922,7 +922,7 @@ ieee80211_tx_h_fragment(struct ieee80211 + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *hdr = (void *)skb->data; + int frag_threshold = tx->local->hw.wiphy->frag_threshold; +- int hdrlen; ++ int hdrlen = tx->hdrlen; + int fragnum; + + /* no matter what happens, tx->skb moves to tx->skbs */ +@@ -943,8 +943,6 @@ ieee80211_tx_h_fragment(struct ieee80211 + if (WARN_ON(info->flags & IEEE80211_TX_CTL_AMPDU)) + return TX_DROP; + +- hdrlen = ieee80211_hdrlen(hdr->frame_control); +- + /* internal error, why isn't DONTFRAG set? */ + if (WARN_ON(skb->len + FCS_LEN <= frag_threshold)) + return TX_DROP; +@@ -1176,6 +1174,8 @@ ieee80211_tx_prepare(struct ieee80211_su + + hdr = (struct ieee80211_hdr *) skb->data; + ++ tx->hdrlen = ieee80211_hdrlen(hdr->frame_control); ++ + if (likely(sta)) { + if (!IS_ERR(sta)) + tx->sta = sta; +--- a/net/mac80211/util.c ++++ b/net/mac80211/util.c +@@ -1226,6 +1226,7 @@ void ieee80211_send_auth(struct ieee8021 + struct ieee80211_local *local = sdata->local; + struct sk_buff *skb; + struct ieee80211_mgmt *mgmt; ++ unsigned int hdrlen; + int err; + + /* 24 + 6 = header + auth_algo + auth_transaction + status_code */ +@@ -1250,8 +1251,10 @@ void ieee80211_send_auth(struct ieee8021 + memcpy(skb_put(skb, extra_len), extra, extra_len); + + if (auth_alg == WLAN_AUTH_SHARED_KEY && transaction == 3) { ++ hdrlen = ieee80211_hdrlen(mgmt->frame_control); + mgmt->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED); +- err = ieee80211_wep_encrypt(local, skb, key, key_len, key_idx); ++ err = ieee80211_wep_encrypt(local, skb, hdrlen, key, ++ key_len, key_idx); + WARN_ON(err); + } + +--- a/net/mac80211/wep.c ++++ b/net/mac80211/wep.c +@@ -89,11 +89,11 @@ static void ieee80211_wep_get_iv(struct + + static u8 *ieee80211_wep_add_iv(struct ieee80211_local *local, + struct sk_buff *skb, ++ unsigned int hdrlen, + int keylen, int keyidx) + { + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); +- unsigned int hdrlen; + u8 *newhdr; + + hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED); +@@ -101,7 +101,6 @@ static u8 *ieee80211_wep_add_iv(struct i + if (WARN_ON(skb_headroom(skb) < IEEE80211_WEP_IV_LEN)) + return NULL; + +- hdrlen = ieee80211_hdrlen(hdr->frame_control); + newhdr = skb_push(skb, IEEE80211_WEP_IV_LEN); + memmove(newhdr, newhdr + IEEE80211_WEP_IV_LEN, hdrlen); + +@@ -160,6 +159,7 @@ int ieee80211_wep_encrypt_data(struct cr + */ + int ieee80211_wep_encrypt(struct ieee80211_local *local, + struct sk_buff *skb, ++ unsigned int hdrlen, + const u8 *key, int keylen, int keyidx) + { + u8 *iv; +@@ -169,7 +169,7 @@ int ieee80211_wep_encrypt(struct ieee802 + if (WARN_ON(skb_tailroom(skb) < IEEE80211_WEP_ICV_LEN)) + return -1; + +- iv = ieee80211_wep_add_iv(local, skb, keylen, keyidx); ++ iv = ieee80211_wep_add_iv(local, skb, hdrlen, keylen, keyidx); + if (!iv) + return -1; + +@@ -306,13 +306,14 @@ static int wep_encrypt_skb(struct ieee80 + struct ieee80211_key_conf *hw_key = info->control.hw_key; + + if (!hw_key) { +- if (ieee80211_wep_encrypt(tx->local, skb, tx->key->conf.key, ++ if (ieee80211_wep_encrypt(tx->local, skb, tx->hdrlen, ++ tx->key->conf.key, + tx->key->conf.keylen, + tx->key->conf.keyidx)) + return -1; + } else if ((hw_key->flags & IEEE80211_KEY_FLAG_GENERATE_IV) || + (hw_key->flags & IEEE80211_KEY_FLAG_PUT_IV_SPACE)) { +- if (!ieee80211_wep_add_iv(tx->local, skb, ++ if (!ieee80211_wep_add_iv(tx->local, skb, tx->hdrlen, + tx->key->conf.keylen, + tx->key->conf.keyidx)) + return -1; +--- a/net/mac80211/wep.h ++++ b/net/mac80211/wep.h +@@ -22,6 +22,7 @@ int ieee80211_wep_encrypt_data(struct cr + size_t klen, u8 *data, size_t data_len); + int ieee80211_wep_encrypt(struct ieee80211_local *local, + struct sk_buff *skb, ++ unsigned int hdrlen, + const u8 *key, int keylen, int keyidx); + int ieee80211_wep_decrypt_data(struct crypto_cipher *tfm, u8 *rc4key, + size_t klen, u8 *data, size_t data_len); +--- a/net/mac80211/wpa.c ++++ b/net/mac80211/wpa.c +@@ -43,7 +43,7 @@ ieee80211_tx_h_michael_mic_add(struct ie + skb->len < 24 || !ieee80211_is_data_present(hdr->frame_control)) + return TX_CONTINUE; + +- hdrlen = ieee80211_hdrlen(hdr->frame_control); ++ hdrlen = tx->hdrlen; + if (skb->len < hdrlen) + return TX_DROP; + +@@ -186,7 +186,6 @@ mic_fail_no_key: + + static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) + { +- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_key *key = tx->key; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + unsigned int hdrlen; +@@ -201,7 +200,7 @@ static int tkip_encrypt_skb(struct ieee8 + return 0; + } + +- hdrlen = ieee80211_hdrlen(hdr->frame_control); ++ hdrlen = tx->hdrlen; + len = skb->len - hdrlen; + + if (info->control.hw_key) +@@ -418,7 +417,7 @@ static int ccmp_encrypt_skb(struct ieee8 + return 0; + } + +- hdrlen = ieee80211_hdrlen(hdr->frame_control); ++ hdrlen = tx->hdrlen; + len = skb->len - hdrlen; + + if (info->control.hw_key) +@@ -651,7 +650,7 @@ static int gcmp_encrypt_skb(struct ieee8 + return 0; + } + +- hdrlen = ieee80211_hdrlen(hdr->frame_control); ++ hdrlen = tx->hdrlen; + len = skb->len - hdrlen; + + if (info->control.hw_key) +@@ -791,7 +790,6 @@ static ieee80211_tx_result + ieee80211_crypto_cs_encrypt(struct ieee80211_tx_data *tx, + struct sk_buff *skb) + { +- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_key *key = tx->key; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + int hdrlen; +@@ -807,8 +805,7 @@ ieee80211_crypto_cs_encrypt(struct ieee8 + pskb_expand_head(skb, iv_len, 0, GFP_ATOMIC))) + return TX_DROP; + +- hdrlen = ieee80211_hdrlen(hdr->frame_control); +- ++ hdrlen = tx->hdrlen; + pos = skb_push(skb, iv_len); + memmove(pos, pos + iv_len, hdrlen); + -- cgit v1.1