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iwlwifi: mvm: use CTS to Self if firmware allows it

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Newer firmware fixed a bug that prevented to use CTS to
self. Firmwares with API greater than 8 have this bug
fixed. Enable the feature for these firmwares only.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2013-08-20 08:19:32 +03:00 committed by Johannes Berg
parent 91b05d1035
commit 2e0cc86535
1 changed files with 5 additions and 1 deletions
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6
drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
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@ -559,8 +559,12 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_UPDATE_EDCA);
/* Don't use cts to self as the fw doesn't support it currently. */
if (vif->bss_conf.use_cts_prot)
if (vif->bss_conf.use_cts_prot) {
cmd->protection_flags |= cpu_to_le32(MAC_PROT_FLG_TGG_PROTECT);
if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 8)
cmd->protection_flags |=
cpu_to_le32(MAC_PROT_FLG_SELF_CTS_EN);
}
/*
* I think that we should enable these 2 flags regardless the HT PROT