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qcacmn: [CRYPTO] Add apis to access key information

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APIs to retrieve following based on cipher type -
1. Header length
2. Trailer length
3. Miclen

Change-Id: Ia9c3a8d6a1459e637af80fcf73077e2d6b5f310c
CRs-Fixed: 2233228
This commit is contained in:
Padma Raghunathan
2018-04-09 10:21:37 +05:30
committed by nshrivas
parent 6ac6143190
commit 51d1103376
2 changed files with 95 additions and 1 deletions
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31
umac/cmn_services/crypto/inc/wlan_crypto_global_api.h
View File

@@ -535,6 +535,37 @@ uint8_t wlan_crypto_get_peer_fils_aead(struct wlan_objmgr_peer *peer);
*/
void wlan_crypto_set_peer_fils_aead(
struct wlan_objmgr_peer *peer, uint8_t value);
/**
* wlan_crypto_get_key_header - get header length
* @key: key
*
* This function gets header length based on keytype
*
* Return: header length
*/
uint8_t wlan_crypto_get_key_header(struct wlan_crypto_key *key);
/**
* wlan_crypto_get_key_trailer - get cipher trailer length
* @key: key
*
* This function gets cipher trailer length based on keytype
*
* Return: cipher trailer length
*/
uint8_t wlan_crypto_get_key_trailer(struct wlan_crypto_key *key);
/**
* wlan_crypto_get_key_miclen - get cipher miclen length
* @key: key
*
* This function gets cipher miclen length based on keytype
*
* Return: cipher miclen length
*/
uint8_t wlan_crypto_get_key_miclen(struct wlan_crypto_key *key);
/**
* wlan_crypto_get_keyid - get keyid from frame
* @data: frame

65
umac/cmn_services/crypto/src/wlan_crypto_global_api.c
View File

@@ -1180,7 +1180,7 @@ QDF_STATUS wlan_crypto_decap(struct wlan_objmgr_vdev *vdev,
hdrlen = ieee80211_hdrspace(wlan_vdev_get_pdev(vdev),
(uint8_t *)qdf_nbuf_data(wbuf));
keyid = wlan_crypto_get_keyid((uint8_t *)qdf_nbuf_data(wbuf));
keyid = wlan_crypto_get_keyid((uint8_t *)qdf_nbuf_data(wbuf), hdrlen);
if (keyid >= WLAN_CRYPTO_MAXKEYIDX)
return QDF_STATUS_E_INVAL;
@@ -3112,6 +3112,69 @@ wlan_crypto_set_peer_fils_aead(struct wlan_objmgr_peer *peer, uint8_t value)
crypto_priv->fils_aead_set = value;
}
/**
* wlan_crypto_get_key_header - get header length
* @key: key
*
* This function gets header length based on keytype
*
* Return: header length
*/
uint8_t wlan_crypto_get_key_header(struct wlan_crypto_key *key)
{
struct wlan_crypto_cipher *cipher_table;
cipher_table = (struct wlan_crypto_cipher *)key->cipher_table;
if (cipher_table)
return cipher_table->header;
else
return 0;
}
qdf_export_symbol(wlan_crypto_get_key_header);
/**
* wlan_crypto_get_key_trailer - get cipher trailer length
* @key: key
*
* This function gets cipher trailer length based on keytype
*
* Return: cipher trailer length
*/
uint8_t wlan_crypto_get_key_trailer(struct wlan_crypto_key *key)
{
struct wlan_crypto_cipher *cipher_table;
cipher_table = (struct wlan_crypto_cipher *)key->cipher_table;
if (cipher_table)
return cipher_table->trailer;
else
return 0;
}
qdf_export_symbol(wlan_crypto_get_key_trailer);
/**
* wlan_crypto_get_key_miclen - get cipher miclen length
* @key: key
*
* This function gets cipher miclen length based on keytype
*
* Return: cipher miclen length
*/
uint8_t wlan_crypto_get_key_miclen(struct wlan_crypto_key *key)
{
struct wlan_crypto_cipher *cipher_table;
cipher_table = (struct wlan_crypto_cipher *)key->cipher_table;
if (cipher_table)
return cipher_table->miclen;
else
return 0;
}
qdf_export_symbol(wlan_crypto_get_key_miclen);
/**
* wlan_crypto_get_keyid - get keyid from frame
* @data: frame