diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index f3f9e641ae70..c48d6fb16408 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -2014,3 +2014,42 @@ void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, le16_to_cpu(release->nssn), queue, 0); } + +void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb, int queue) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_bar_frame_release *release = (void *)pkt->data; + unsigned int baid = le32_get_bits(release->ba_info, + IWL_BAR_FRAME_RELEASE_BAID_MASK); + unsigned int nssn = le32_get_bits(release->ba_info, + IWL_BAR_FRAME_RELEASE_NSSN_MASK); + unsigned int sta_id = le32_get_bits(release->sta_tid, + IWL_BAR_FRAME_RELEASE_STA_MASK); + unsigned int tid = le32_get_bits(release->sta_tid, + IWL_BAR_FRAME_RELEASE_TID_MASK); + struct iwl_mvm_baid_data *baid_data; + + if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID || + baid >= ARRAY_SIZE(mvm->baid_map))) + return; + + rcu_read_lock(); + baid_data = rcu_dereference(mvm->baid_map[baid]); + if (!baid_data) { + IWL_DEBUG_RX(mvm, + "Got valid BAID %d but not allocated, invalid BAR release!\n", + baid); + goto out; + } + + if (WARN(tid != baid_data->tid || sta_id != baid_data->sta_id, + "baid 0x%x is mapped to sta:%d tid:%d, but BAR release received for sta:%d tid:%d\n", + baid, baid_data->sta_id, baid_data->tid, sta_id, + tid)) + goto out; + + iwl_mvm_release_frames_from_notif(mvm, napi, baid, nssn, queue, 0); +out: + rcu_read_unlock(); +} |