1 files changed, 144 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/sys/wlc_key.h b/drivers/staging/brcm80211/sys/wlc_key.h
new file mode 100644
index 0000000..6678c69
--- /dev/null
+++ b/drivers/staging/brcm80211/sys/wlc_key.h
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _wlc_key_h_
+#define _wlc_key_h_
+
+struct scb;
+struct wlc_info;
+struct wlc_bsscfg;
+/* Maximum # of keys that wl driver supports in S/W.
+ * Keys supported in H/W is less than or equal to WSEC_MAX_KEYS.
+ */
+#define WSEC_MAX_KEYS		54	/* Max # of keys (50 + 4 default keys) */
+#define WLC_DEFAULT_KEYS	4	/* Default # of keys */
+
+#define WSEC_MAX_WOWL_KEYS 5	/* Max keys in WOWL mode (1 + 4 default keys) */
+
+#define WPA2_GTK_MAX	3
+
+/*
+* Max # of keys currently supported:
+*
+*     s/w keys if WSEC_SW(wlc->wsec).
+*     h/w keys otherwise.
+*/
+#define WLC_MAX_WSEC_KEYS(wlc) WSEC_MAX_KEYS
+
+/* number of 802.11 default (non-paired, group keys) */
+#define WSEC_MAX_DEFAULT_KEYS	4	/* # of default keys */
+
+/* Max # of hardware keys supported */
+#define WLC_MAX_WSEC_HW_KEYS(wlc) WSEC_MAX_RCMTA_KEYS
+
+/* Max # of hardware TKIP MIC keys supported */
+#define WLC_MAX_TKMIC_HW_KEYS(wlc) ((D11REV_GE((wlc)->pub->corerev, 13)) ? \
+		WSEC_MAX_TKMIC_ENGINE_KEYS : 0)
+
+#define WSEC_HW_TKMIC_KEY(wlc, key, bsscfg) \
+	(((D11REV_GE((wlc)->pub->corerev, 13)) && ((wlc)->machwcap & MCAP_TKIPMIC)) && \
+	 (key) && ((key)->algo == CRYPTO_ALGO_TKIP) && \
+	 !WSEC_SOFTKEY(wlc, key, bsscfg) && \
+	WSEC_KEY_INDEX(wlc, key) >= WLC_DEFAULT_KEYS && \
+	(WSEC_KEY_INDEX(wlc, key) < WSEC_MAX_TKMIC_ENGINE_KEYS))
+
+/* index of key in key table */
+#define WSEC_KEY_INDEX(wlc, key)	((key)->idx)
+
+#define WSEC_SOFTKEY(wlc, key, bsscfg) (WLC_SW_KEYS(wlc, bsscfg) || \
+	WSEC_KEY_INDEX(wlc, key) >= WLC_MAX_WSEC_HW_KEYS(wlc))
+
+/* get a key, non-NULL only if key allocated and not clear */
+#define WSEC_KEY(wlc, i)	(((wlc)->wsec_keys[i] && (wlc)->wsec_keys[i]->len) ? \
+	(wlc)->wsec_keys[i] : NULL)
+
+#define WSEC_SCB_KEY_VALID(scb)	(((scb)->key && (scb)->key->len) ? true : false)
+
+/* default key */
+#define WSEC_BSS_DEFAULT_KEY(bsscfg) (((bsscfg)->wsec_index == -1) ? \
+	(struct wsec_key *)NULL:(bsscfg)->bss_def_keys[(bsscfg)->wsec_index])
+
+/* Macros for key management in IBSS mode */
+#define WSEC_IBSS_MAX_PEERS	16	/* Max # of IBSS Peers */
+#define WSEC_IBSS_RCMTA_INDEX(idx) \
+	(((idx - WSEC_MAX_DEFAULT_KEYS) % WSEC_IBSS_MAX_PEERS) + WSEC_MAX_DEFAULT_KEYS)
+
+/* contiguous # key slots for infrastructure mode STA */
+#define WSEC_BSS_STA_KEY_GROUP_SIZE	5
+
+typedef struct wsec_iv {
+	u32 hi;		/* upper 32 bits of IV */
+	u16 lo;		/* lower 16 bits of IV */
+} wsec_iv_t;
+
+#define WLC_NUMRXIVS	16	/* # rx IVs (one per 802.11e TID) */
+
+typedef struct wsec_key {
+	struct ether_addr ea;	/* per station */
+	u8 idx;		/* key index in wsec_keys array */
+	u8 id;		/* key ID [0-3] */
+	u8 algo;		/* CRYPTO_ALGO_AES_CCM, CRYPTO_ALGO_WEP128, etc */
+	u8 rcmta;		/* rcmta entry index, same as idx by default */
+	u16 flags;		/* misc flags */
+	u8 algo_hw;		/* cache for hw register */
+	u8 aes_mode;		/* cache for hw register */
+	s8 iv_len;		/* IV length */
+	s8 icv_len;		/* ICV length */
+	u32 len;		/* key length..don't move this var */
+	/* data is 4byte aligned */
+	u8 data[DOT11_MAX_KEY_SIZE];	/* key data */
+	wsec_iv_t rxiv[WLC_NUMRXIVS];	/* Rx IV (one per TID) */
+	wsec_iv_t txiv;		/* Tx IV */
+
+} wsec_key_t;
+
+#define broken_roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
+typedef struct {
+	u8 vec[broken_roundup(WSEC_MAX_KEYS, NBBY) / NBBY];	/* bitvec of wsec_key indexes */
+} wsec_key_vec_t;
+
+/* For use with wsec_key_t.flags */
+
+#define WSEC_BS_UPDATE		(1 << 0)	/* Indicates hw needs key update on BS switch */
+#define WSEC_PRIMARY_KEY	(1 << 1)	/* Indicates this key is the primary (ie tx) key */
+#define WSEC_TKIP_ERROR		(1 << 2)	/* Provoke deliberate MIC error */
+#define WSEC_REPLAY_ERROR	(1 << 3)	/* Provoke deliberate replay */
+#define WSEC_IBSS_PEER_GROUP_KEY	(1 << 7)	/* Flag: group key for a IBSS PEER */
+#define WSEC_ICV_ERROR		(1 << 8)	/* Provoke deliberate ICV error */
+
+#define wlc_key_insert(a, b, c, d, e, f, g, h, i, j) (BCME_ERROR)
+#define wlc_key_update(a, b, c) do {} while (0)
+#define wlc_key_remove(a, b, c) do {} while (0)
+#define wlc_key_remove_all(a, b) do {} while (0)
+#define wlc_key_delete(a, b, c) do {} while (0)
+#define wlc_scb_key_delete(a, b) do {} while (0)
+#define wlc_key_lookup(a, b, c, d, e) (NULL)
+#define wlc_key_hw_init_all(a) do {} while (0)
+#define wlc_key_hw_init(a, b, c)  do {} while (0)
+#define wlc_key_hw_wowl_init(a, b, c, d) do {} while (0)
+#define wlc_key_sw_wowl_update(a, b, c, d, e) do {} while (0)
+#define wlc_key_sw_wowl_create(a, b, c) (BCME_ERROR)
+#define wlc_key_iv_update(a, b, c, d, e) do {(void)e; } while (0)
+#define wlc_key_iv_init(a, b, c) do {} while (0)
+#define wlc_key_set_error(a, b, c) (BCME_ERROR)
+#define wlc_key_dump_hw(a, b) (BCME_ERROR)
+#define wlc_key_dump_sw(a, b) (BCME_ERROR)
+#define wlc_key_defkeyflag(a) (0)
+#define wlc_rcmta_add_bssid(a, b) do {} while (0)
+#define wlc_rcmta_del_bssid(a, b) do {} while (0)
+#define wlc_key_scb_delete(a, b) do {} while (0)
+
+#endif				/* _wlc_key_h_ */