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authorJohannes Berg <johannes@sipsolutions.net>2008-04-08 15:14:40 -0400
committerJohn W. Linville <linville@tuxdriver.com>2008-04-08 16:44:45 -0400
commit2c8dccc77420fb7433da5674818959d3499d35be (patch)
tree2da037732b78a4796254b485f0c591d9625b7d1e /net/mac80211/key.h
parent3b96766f0e643f52ae19e134664df6730c737e87 (diff)
downloadlinux-2c8dccc77420fb7433da5674818959d3499d35be.tar.gz
mac80211: rename files
This patch renames all mac80211 files (except ieee80211_i.h) to get rid
of the useless ieee80211_ prefix.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/key.h')
-rw-r--r--net/mac80211/key.h157
1 files changed, 157 insertions, 0 deletions
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
new file mode 100644
index 000000000000..467890c6fe81
--- /dev/null
+++ b/net/mac80211/key.h
@@ -0,0 +1,157 @@
+/*
+ * Copyright 2002-2004, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef IEEE80211_KEY_H
+#define IEEE80211_KEY_H
+
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/crypto.h>
+#include <linux/rcupdate.h>
+#include <net/mac80211.h>
+
+/* ALG_TKIP
+ * struct ieee80211_key::key is encoded as a 256-bit (32 byte) data block:
+ * Temporal Encryption Key (128 bits)
+ * Temporal Authenticator Tx MIC Key (64 bits)
+ * Temporal Authenticator Rx MIC Key (64 bits)
+ */
+
+#define WEP_IV_LEN 4
+#define WEP_ICV_LEN 4
+
+#define ALG_TKIP_KEY_LEN 32
+/* Starting offsets for each key */
+#define ALG_TKIP_TEMP_ENCR_KEY 0
+#define ALG_TKIP_TEMP_AUTH_TX_MIC_KEY 16
+#define ALG_TKIP_TEMP_AUTH_RX_MIC_KEY 24
+#define TKIP_IV_LEN 8
+#define TKIP_ICV_LEN 4
+
+#define ALG_CCMP_KEY_LEN 16
+#define CCMP_HDR_LEN 8
+#define CCMP_MIC_LEN 8
+#define CCMP_TK_LEN 16
+#define CCMP_PN_LEN 6
+
+#define NUM_RX_DATA_QUEUES 17
+
+struct ieee80211_local;
+struct ieee80211_sub_if_data;
+struct sta_info;
+
+/**
+ * enum ieee80211_internal_key_flags - internal key flags
+ *
+ * @KEY_FLAG_UPLOADED_TO_HARDWARE: Indicates that this key is present
+ *	in the hardware for TX crypto hardware acceleration.
+ * @KEY_FLAG_TODO_DELETE: Key is marked for deletion and will, after an
+ *	RCU grace period, no longer be reachable other than from the
+ *	todo list.
+ * @KEY_FLAG_TODO_HWACCEL: Key needs to be added to hardware acceleration.
+ * @KEY_FLAG_TODO_DEFKEY: Key is default key and debugfs needs to be updated.
+ * @KEY_FLAG_TODO_ADD_DEBUGFS: Key needs to be added to debugfs.
+ */
+enum ieee80211_internal_key_flags {
+	KEY_FLAG_UPLOADED_TO_HARDWARE	= BIT(0),
+	KEY_FLAG_TODO_DELETE		= BIT(1),
+	KEY_FLAG_TODO_HWACCEL		= BIT(2),
+	KEY_FLAG_TODO_DEFKEY		= BIT(3),
+	KEY_FLAG_TODO_ADD_DEBUGFS	= BIT(4),
+};
+
+struct ieee80211_key {
+	struct ieee80211_local *local;
+	struct ieee80211_sub_if_data *sdata;
+	struct sta_info *sta;
+
+	/* for sdata list */
+	struct list_head list;
+	/* for todo list */
+	struct list_head todo;
+
+	/* protected by todo lock! */
+	unsigned int flags;
+
+	union {
+		struct {
+			/* last used TSC */
+			u32 iv32;
+			u16 iv16;
+			u16 p1k[5];
+			int tx_initialized;
+
+			/* last received RSC */
+			u32 iv32_rx[NUM_RX_DATA_QUEUES];
+			u16 iv16_rx[NUM_RX_DATA_QUEUES];
+			u16 p1k_rx[NUM_RX_DATA_QUEUES][5];
+			int rx_initialized[NUM_RX_DATA_QUEUES];
+		} tkip;
+		struct {
+			u8 tx_pn[6];
+			u8 rx_pn[NUM_RX_DATA_QUEUES][6];
+			struct crypto_cipher *tfm;
+			u32 replays; /* dot11RSNAStatsCCMPReplays */
+			/* scratch buffers for virt_to_page() (crypto API) */
+#ifndef AES_BLOCK_LEN
+#define AES_BLOCK_LEN 16
+#endif
+			u8 tx_crypto_buf[6 * AES_BLOCK_LEN];
+			u8 rx_crypto_buf[6 * AES_BLOCK_LEN];
+		} ccmp;
+	} u;
+
+	/* number of times this key has been used */
+	int tx_rx_count;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct {
+		struct dentry *stalink;
+		struct dentry *dir;
+		struct dentry *keylen;
+		struct dentry *flags;
+		struct dentry *keyidx;
+		struct dentry *hw_key_idx;
+		struct dentry *tx_rx_count;
+		struct dentry *algorithm;
+		struct dentry *tx_spec;
+		struct dentry *rx_spec;
+		struct dentry *replays;
+		struct dentry *key;
+		struct dentry *ifindex;
+	} debugfs;
+#endif
+
+	/*
+	 * key config, must be last because it contains key
+	 * material as variable length member
+	 */
+	struct ieee80211_key_conf conf;
+};
+
+struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
+					  int idx,
+					  size_t key_len,
+					  const u8 *key_data);
+/*
+ * Insert a key into data structures (sdata, sta if necessary)
+ * to make it used, free old key.
+ */
+void ieee80211_key_link(struct ieee80211_key *key,
+			struct ieee80211_sub_if_data *sdata,
+			struct sta_info *sta);
+void ieee80211_key_free(struct ieee80211_key *key);
+void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx);
+void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata);
+void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata);
+void ieee80211_disable_keys(struct ieee80211_sub_if_data *sdata);
+
+void ieee80211_key_todo(void);
+
+#endif /* IEEE80211_KEY_H */