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ath10k: add new cipher suite support

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QCA99x0 and QCA4019 family chips support CCMP-256, GCMP-128, and
GCMP-256 ciphers in hardware, so advertise support for these. As
firmware does not support group management frame ciphers (BIP),
handle them in software (mac80211).

Reviewed-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
Cc: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Rajkumar Manoharan
2017-09-25 15:29:41 -07:00
committed by Kalle Valo
parent 36d9cdb6fb
commit 2ea9f12cef
4 changed files with 57 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
drivers/net/wireless/ath/ath10k/mac.c
View File

@@ -242,6 +242,16 @@ static int ath10k_send_key(struct ath10k_vif *arvif,
case WLAN_CIPHER_SUITE_WEP104:
arg.key_cipher = WMI_CIPHER_WEP;
break;
case WLAN_CIPHER_SUITE_CCMP_256:
arg.key_cipher = WMI_CIPHER_AES_CCM;
break;
case WLAN_CIPHER_SUITE_GCMP:
case WLAN_CIPHER_SUITE_GCMP_256:
arg.key_cipher = WMI_CIPHER_AES_GCM;
break;
case WLAN_CIPHER_SUITE_BIP_GMAC_128:
case WLAN_CIPHER_SUITE_BIP_GMAC_256:
case WLAN_CIPHER_SUITE_BIP_CMAC_256:
case WLAN_CIPHER_SUITE_AES_CMAC:
WARN_ON(1);
return -EINVAL;
@@ -5723,7 +5733,10 @@ static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
u32 flags2;
/* this one needs to be done in software */
if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
if (key->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
key->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256 ||
key->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256)
return 1;
if (arvif->nohwcrypt)
@@ -8074,7 +8087,22 @@ int ath10k_mac_register(struct ath10k *ar)
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
/* Do not add hardware supported ciphers before this line.
* Allow software encryption for all chips. Don't forget to
* update n_cipher_suites below.
*/
WLAN_CIPHER_SUITE_AES_CMAC,
WLAN_CIPHER_SUITE_BIP_CMAC_256,
WLAN_CIPHER_SUITE_BIP_GMAC_128,
WLAN_CIPHER_SUITE_BIP_GMAC_256,
/* Only QCA99x0 and QCA4019 varients support GCMP-128, GCMP-256
* and CCMP-256 in hardware.
*/
WLAN_CIPHER_SUITE_GCMP,
WLAN_CIPHER_SUITE_GCMP_256,
WLAN_CIPHER_SUITE_CCMP_256,
};
struct ieee80211_supported_band *band;
void *channels;
@@ -8318,7 +8346,18 @@ int ath10k_mac_register(struct ath10k *ar)
}
ar->hw->wiphy->cipher_suites = cipher_suites;
ar->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
/* QCA988x and QCA6174 family chips do not support CCMP-256, GCMP-128
* and GCMP-256 ciphers in hardware. Fetch number of ciphers supported
* from chip specific hw_param table.
*/
if (!ar->hw_params.n_cipher_suites ||
ar->hw_params.n_cipher_suites > ARRAY_SIZE(cipher_suites)) {
ath10k_err(ar, "invalid hw_params.n_cipher_suites %d\n",
ar->hw_params.n_cipher_suites);
ar->hw_params.n_cipher_suites = 8;
}
ar->hw->wiphy->n_cipher_suites = ar->hw_params.n_cipher_suites;
wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);