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iwlwifi: mvm: disable CTS to Self 

Firmware folks seem say that this flag can make trouble.
Drop it. The advantage of CTS to self is that it slightly
reduces the cost of the protection, but make the protection
less reliable.

Cc: <stable@vger.kernel.org> [3.13+]
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Emmanuel Grumbach 2014-07-03 20:46:35 +03:00
parent 43d826ca59
commit dc271ee0d0
1 changed files with 2 additions and 3 deletions
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5
drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
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@ -667,10 +667,9 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
if (vif->bss_conf.qos) if (vif->bss_conf.qos)
cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_UPDATE_EDCA); cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_UPDATE_EDCA);
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); cmd->protection_flags |= cpu_to_le32(MAC_PROT_FLG_TGG_PROTECT);
cmd->protection_flags |= cpu_to_le32(MAC_PROT_FLG_SELF_CTS_EN);
}
IWL_DEBUG_RATE(mvm, "use_cts_prot %d, ht_operation_mode %d\n", IWL_DEBUG_RATE(mvm, "use_cts_prot %d, ht_operation_mode %d\n",
vif->bss_conf.use_cts_prot, vif->bss_conf.use_cts_prot,
vif->bss_conf.ht_operation_mode); vif->bss_conf.ht_operation_mode);