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qcacld-3.0: Initialize the PN and plumb it to DP

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Initialize the PN with value, which has been given by upper layer
and plumb it to DP

Change-Id: If6b14d2b9b92e4571a85cb20dc445608d5f56961
CRs-Fixed: 2350950
This commit is contained in:
Krunal Soni 2018-10-11 18:17:19 -07:00 • committed by nshrivas
commit bcd09fce48
1 changed files with 25 additions and 1 deletions
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26
core/wma/src/wma_mgmt.c
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@ -2023,7 +2023,31 @@ static QDF_STATUS wma_setup_install_key_cmd(tp_wma_handle wma_handle,
key_params->def_key_idx);
WMA_LOGD("keyrsc param %llu", *(params.key_rsc_counter));
/* Set PN check & security type in data path */
/*
* To prevent from any replay-attack, PN number provided by
* upper layer is used.
*
* Plumb the PN number to HW which will be used to evaluate whether
* incoming traffic is not replayed.
*
* supplicant would have some thing like following, example:
*
* num = 0x123456789ABCDEFF (64 bit number)
* uint8_t keyrsc[16] would look like following
*
* bit 0 7 15 23 31 39 47 55 63
* +------+-------+-------+-------+-------+-------+-------+-------+
* byte | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
* +------+-------+-------+-------+-------+-------+-------+-------+
* value| 0xFF | 0XDE | 0xBC | 0x9A | 0x78 | 0x56 | 0x34 | 0x12 |
* +------+-------+-------+-------+-------+-------+-------+-------+
*/
qdf_mem_copy(&pn[0],
&key_params->key_rsc[0], sizeof(pn));
wma_debug("key_type[%s] pn[%x:%x:%x:%x]",
(key_params->unicast) ? "unicast" : "group",
key_params->key_rsc[3], key_params->key_rsc[2],
key_params->key_rsc[1], key_params->key_rsc[0]);
cdp_set_pn_check(soc, txrx_vdev, peer, sec_type, pn);
cdp_set_key(soc, peer, key_params->unicast,
(uint32_t *)(key_params->key_data +