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cfg80211: Allow non-zero indexes for device specific pair-wise ciphers

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Some vendor specific cipher suites require non-zero key indexes for pairwise
keys, but as of currently, the cfg80211 does not allow it.

As validating they cipher parameters for vendor specific cipher suites is the
job of the driver or hardware/firmware, change the cfg80211 to allow also
non-zero pairwise key indexes for vendor specific ciphers.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen 2011-01-25 12:21:22 +02:00 committed by John W. Linville
parent 53e3b6e29e
commit 45cbad6a12
1 changed files with 7 additions and 4 deletions
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11
net/wireless/util.c
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@ -167,12 +167,15 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
/*
* Disallow pairwise keys with non-zero index unless it's WEP
* (because current deployments use pairwise WEP keys with
* non-zero indizes but 802.11i clearly specifies to use zero)
* or a vendor specific cipher (because current deployments use
* pairwise WEP keys with non-zero indices and for vendor specific
* ciphers this should be validated in the driver or hardware level
* - but 802.11i clearly specifies to use zero)
*/
if (pairwise && key_idx &&
params->cipher != WLAN_CIPHER_SUITE_WEP40 &&
params->cipher != WLAN_CIPHER_SUITE_WEP104)
((params->cipher == WLAN_CIPHER_SUITE_TKIP) ||
(params->cipher == WLAN_CIPHER_SUITE_CCMP) ||
(params->cipher == WLAN_CIPHER_SUITE_AES_CMAC)))
return -EINVAL;
switch (params->cipher) {