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-rw-r--r--net/mac80211/key.h54
1 files changed, 21 insertions, 33 deletions
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index f52c3df1fe9a..425816e0996c 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -16,31 +16,18 @@
16#include <linux/rcupdate.h> 16#include <linux/rcupdate.h>
17#include <net/mac80211.h> 17#include <net/mac80211.h>
18 18
19/* ALG_TKIP 19#define WEP_IV_LEN 4
20 * struct ieee80211_key::key is encoded as a 256-bit (32 byte) data block: 20#define WEP_ICV_LEN 4
21 * Temporal Encryption Key (128 bits) 21#define ALG_TKIP_KEY_LEN 32
22 * Temporal Authenticator Tx MIC Key (64 bits) 22#define ALG_CCMP_KEY_LEN 16
23 * Temporal Authenticator Rx MIC Key (64 bits) 23#define CCMP_HDR_LEN 8
24 */ 24#define CCMP_MIC_LEN 8
25 25#define CCMP_TK_LEN 16
26#define WEP_IV_LEN 4 26#define CCMP_PN_LEN 6
27#define WEP_ICV_LEN 4 27#define TKIP_IV_LEN 8
28 28#define TKIP_ICV_LEN 4
29#define ALG_TKIP_KEY_LEN 32 29
30/* Starting offsets for each key */ 30#define NUM_RX_DATA_QUEUES 17
31#define ALG_TKIP_TEMP_ENCR_KEY 0
32#define ALG_TKIP_TEMP_AUTH_TX_MIC_KEY 16
33#define ALG_TKIP_TEMP_AUTH_RX_MIC_KEY 24
34#define TKIP_IV_LEN 8
35#define TKIP_ICV_LEN 4
36
37#define ALG_CCMP_KEY_LEN 16
38#define CCMP_HDR_LEN 8
39#define CCMP_MIC_LEN 8
40#define CCMP_TK_LEN 16
41#define CCMP_PN_LEN 6
42
43#define NUM_RX_DATA_QUEUES 17
44 31
45struct ieee80211_local; 32struct ieee80211_local;
46struct ieee80211_sub_if_data; 33struct ieee80211_sub_if_data;
@@ -69,6 +56,13 @@ enum ieee80211_internal_key_flags {
69 KEY_FLAG_TODO_ADD_DEBUGFS = BIT(5), 56 KEY_FLAG_TODO_ADD_DEBUGFS = BIT(5),
70}; 57};
71 58
59struct tkip_ctx {
60 u32 iv32;
61 u16 iv16;
62 u16 p1k[5];
63 int initialized;
64};
65
72struct ieee80211_key { 66struct ieee80211_key {
73 struct ieee80211_local *local; 67 struct ieee80211_local *local;
74 struct ieee80211_sub_if_data *sdata; 68 struct ieee80211_sub_if_data *sdata;
@@ -85,16 +79,10 @@ struct ieee80211_key {
85 union { 79 union {
86 struct { 80 struct {
87 /* last used TSC */ 81 /* last used TSC */
88 u32 iv32; 82 struct tkip_ctx tx;
89 u16 iv16;
90 u16 p1k[5];
91 int tx_initialized;
92 83
93 /* last received RSC */ 84 /* last received RSC */
94 u32 iv32_rx[NUM_RX_DATA_QUEUES]; 85 struct tkip_ctx rx[NUM_RX_DATA_QUEUES];
95 u16 iv16_rx[NUM_RX_DATA_QUEUES];
96 u16 p1k_rx[NUM_RX_DATA_QUEUES][5];
97 int rx_initialized[NUM_RX_DATA_QUEUES];
98 } tkip; 86 } tkip;
99 struct { 87 struct {
100 u8 tx_pn[6]; 88 u8 tx_pn[6];