diff options
| author | Sara Sharon <sara.sharon@intel.com> | 2016-02-28 15:41:47 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2016-05-10 22:14:43 +0300 |
| commit | a338384bb31f01dc1306c7200ace61a55fa25947 (patch) | |
| tree | e799330100df6097aaf7a942fddb48f4ea1b05be /drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | |
| parent | 0690405fef290c3ae9bf466d603731b2ba478053 (diff) | |
iwlwifi: mvm: utilize the frame release infrastructure
The firmware will send frame release notification in order
to release "stuck" frames on a queue where no more frames
arrive on.
Upon receiving the message the driver shall indicate the frames
up to the NSSN.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index ed187afca1f2..0da93b57d620 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -900,8 +900,37 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, rcu_read_unlock(); } -void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, +void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue) { - /* TODO */ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_frame_release *release = (void *)pkt->data; + struct ieee80211_sta *sta; + struct iwl_mvm_reorder_buffer *reorder_buf; + struct iwl_mvm_baid_data *ba_data; + + int baid = release->baid; + + if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID)) + return; + + rcu_read_lock(); + + ba_data = rcu_dereference(mvm->baid_map[baid]); + if (WARN_ON_ONCE(!ba_data)) + goto out; + + sta = rcu_dereference(mvm->fw_id_to_mac_id[ba_data->sta_id]); + if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) + goto out; + + reorder_buf = &ba_data->reorder_buf[queue]; + + spin_lock_bh(&reorder_buf->lock); + iwl_mvm_release_frames(mvm, sta, napi, reorder_buf, + le16_to_cpu(release->nssn)); + spin_unlock_bh(&reorder_buf->lock); + +out: + rcu_read_unlock(); } |