/*
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* Copyright (c) 2015 South Silicon Valley Microelectronics Inc.
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* Copyright (c) 2015 iComm Corporation
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SEC_H
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#define SEC_H
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#include <linux/types.h>
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#include <linux/ieee80211.h>
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#include <net/mac80211.h>
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#define CCMP_TK_LEN 16
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#define TKIP_KEY_LEN 32
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#define WEP_KEY_LEN 13
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struct ssv_crypto_ops {
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const char *name;
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struct list_head list;
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void *(*init) (int keyidx);
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void (*deinit) (void *priv);
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int (*encrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv);
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int (*decrypt_mpdu) (struct sk_buff * skb, int hdr_len, void *priv);
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int (*encrypt_msdu) (struct sk_buff * skb, int hdr_len, void *priv);
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int (*decrypt_msdu) (struct sk_buff * skb, int keyidx, int hdr_len,
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void *priv);
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int (*set_tx_pn) (u8 * seq, void *priv);
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int (*set_key) (void *key, int len, u8 * seq, void *priv);
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int (*get_key) (void *key, int len, u8 * seq, void *priv);
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char *(*print_stats) (char *p, void *priv);
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unsigned long (*get_flags) (void *priv);
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unsigned long (*set_flags) (unsigned long flags, void *priv);
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#ifdef MULTI_THREAD_ENCRYPT
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int (*encrypt_prepare) (struct sk_buff * skb, int hdr_len, void *priv);
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int (*decrypt_prepare) (struct sk_buff * skb, int hdr_len, void *priv);
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#endif
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int extra_mpdu_prefix_len, extra_mpdu_postfix_len;
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int extra_msdu_prefix_len, extra_msdu_postfix_len;
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};
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struct ssv_crypto_data {
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struct ssv_crypto_ops *ops;
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void *priv;
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#ifdef HAS_CRYPTO_LOCK
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rwlock_t lock;
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#endif
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};
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struct ssv_crypto_ops *get_crypto_ccmp_ops(void);
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struct ssv_crypto_ops *get_crypto_tkip_ops(void);
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struct ssv_crypto_ops *get_crypto_wep_ops(void);
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#ifdef CONFIG_SSV_WAPI
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struct ssv_crypto_ops *get_crypto_wpi_ops(void);
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#endif
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#endif
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