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iwlwifi: mvm: refactor iwl_mvm_switch_vif_chanctx to support other modes 

Currently we only support the CHANCTX_SWMODE_SWAP_CONTEXTS mode, but
we need to support other modes as well.  Spin a new function off in
order to make it easier to support other modes.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
This commit is contained in:
Luciano Coelho 2014-11-10 11:10:08 +02:00 committed by Emmanuel Grumbach
parent 6b20d77437
commit 50cc9574d6
1 changed files with 31 additions and 9 deletions
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40
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -2954,18 +2954,12 @@ static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
mutex_unlock(&mvm->mutex);
}
static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif_chanctx_switch *vifs,
int n_vifs,
enum ieee80211_chanctx_switch_mode mode)
static int
iwl_mvm_switch_vif_chanctx_swap(struct iwl_mvm *mvm,
struct ieee80211_vif_chanctx_switch *vifs)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
/* we only support SWAP_CONTEXTS and with a single-vif right now */
if (mode != CHANCTX_SWMODE_SWAP_CONTEXTS || n_vifs > 1)
return -EOPNOTSUPP;
mutex_lock(&mvm->mutex);
__iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true);
__iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx);
@ -3015,6 +3009,34 @@ out_restart:
out:
mutex_unlock(&mvm->mutex);
return ret;
}
static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw,
struct ieee80211_vif_chanctx_switch *vifs,
int n_vifs,
enum ieee80211_chanctx_switch_mode mode)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int ret;
/* we only support a single-vif right now */
if (n_vifs > 1)
return -EOPNOTSUPP;
switch (mode) {
case CHANCTX_SWMODE_SWAP_CONTEXTS:
ret = iwl_mvm_switch_vif_chanctx_swap(mvm, vifs);
break;
case CHANCTX_SWMODE_REASSIGN_VIF:
ret = -EOPNOTSUPP;
break;
default:
ret = -EOPNOTSUPP;
break;
}
return ret;
}