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authorLiad Kaufman <liad.kaufman@intel.com>2017-04-13 17:10:33 +0300
committerLuca Coelho <luciano.coelho@intel.com>2017-06-29 13:26:25 +0300
commitcba46988c0813cd9e74d6625af32f7043780dac3 (patch)
tree5046306437c7c37be8b61ae78461ccc3e9076071
parentb3de3ef48aa3fe066150243f07d1cc4e6fac2c80 (diff)
downloadlinux-cba46988c0813cd9e74d6625af32f7043780dac3.tar.xz
iwlwifi: mvm: support multi tid ba notif
When receiving a BA_NOTIF on new TX API, it can contain BAs for several TIDs. Go over them and reclaim TX for every TID. Note that although the small API change, the API version still isn't bumped forward, as this NIC isn't still officially released. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h4
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tx.c28
2 files changed, 15 insertions, 17 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h
index 9d2a991221cf..97d7eed32622 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h
@@ -668,13 +668,15 @@ struct iwl_mvm_ba_notif {
* @q_num: TFD queue number
* @tfd_index: Index of first un-acked frame in the TFD queue
* @scd_queue: For debug only - the physical queue the TFD queue is bound to
+ * @tid: TID of the queue (0-7)
* @reserved: reserved for alignment
*/
struct iwl_mvm_compressed_ba_tfd {
__le16 q_num;
__le16 tfd_index;
u8 scd_queue;
- u8 reserved[3];
+ u8 tid;
+ u8 reserved[2];
} __packed; /* COMPRESSED_BA_TFD_API_S_VER_1 */
/**
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index c89bb453c496..627befb0d8d1 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -1813,6 +1813,7 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
if (iwl_mvm_has_new_tx_api(mvm)) {
struct iwl_mvm_compressed_ba_notif *ba_res =
(void *)pkt->data;
+ int i;
sta_id = ba_res->sta_id;
ba_info.status.ampdu_ack_len = (u8)le16_to_cpu(ba_res->done);
@@ -1825,22 +1826,17 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
if (!le16_to_cpu(ba_res->tfd_cnt))
goto out;
- /*
- * TODO:
- * When supporting multi TID aggregations - we need to move
- * next_reclaimed to be per TXQ and not per TID or handle it
- * in a different way.
- * This will go together with SN and AddBA offload and cannot
- * be handled properly for now.
- */
- WARN_ON(le16_to_cpu(ba_res->ra_tid_cnt) != 1);
- tid = ba_res->ra_tid[0].tid;
- if (tid == IWL_MGMT_TID)
- tid = IWL_MAX_TID_COUNT;
- iwl_mvm_tx_reclaim(mvm, sta_id, tid,
- (int)(le16_to_cpu(ba_res->tfd[0].q_num)),
- le16_to_cpu(ba_res->tfd[0].tfd_index),
- &ba_info, le32_to_cpu(ba_res->tx_rate));
+ /* Free per TID */
+ for (i = 0; i < le16_to_cpu(ba_res->tfd_cnt); i++) {
+ struct iwl_mvm_compressed_ba_tfd *ba_tfd =
+ &ba_res->tfd[i];
+
+ iwl_mvm_tx_reclaim(mvm, sta_id, ba_tfd->tid,
+ (int)(le16_to_cpu(ba_tfd->q_num)),
+ le16_to_cpu(ba_tfd->tfd_index),
+ &ba_info,
+ le32_to_cpu(ba_res->tx_rate));
+ }
out:
IWL_DEBUG_TX_REPLY(mvm,