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iwlwifi: mvm: set the encryption type of an IGTK key 

The FW expect the driver to set the encryption algorithm type when
installing the IGTK key in the HW.
Currently when installing CMAC IGTK key we don't set the algorithm type
and as a result the FW fails to calculate the MIC of multicast management
frames.
Fix it.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Ayala Beker 2016-06-01 00:28:09 +03:00 committed by Luca Coelho
parent 1f9788f335
commit aa950524d5
1 changed files with 8 additions and 0 deletions
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8
drivers/net/wireless/intel/iwlwifi/mvm/sta.c
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@ -1961,6 +1961,14 @@ static int iwl_mvm_send_sta_igtk(struct iwl_mvm *mvm,
struct ieee80211_key_seq seq;
const u8 *pn;
switch (keyconf->cipher) {
case WLAN_CIPHER_SUITE_AES_CMAC:
igtk_cmd.ctrl_flags |= cpu_to_le32(STA_KEY_FLG_CCM);
break;
default:
return -EINVAL;
}
memcpy(igtk_cmd.IGTK, keyconf->key, keyconf->keylen);
ieee80211_get_key_rx_seq(keyconf, 0, &seq);
pn = seq.aes_cmac.pn;