mac80211: allow to transmit A-MSDU within A-MPDU

Advertise the capability to send A-MSDU within A-MPDU
in the AddBA request sent by mac80211. Let the driver
know about the peer's capabilities.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 64674c955d44745976beb2ee9e9d1639fe067bf0..b04e7694c10582f58a5b3c780c76212664db9a7e 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -6144,7 +6144,7 @@ static int ath10k_ampdu_action(struct ieee80211_hw *hw,
                               struct ieee80211_vif *vif,
                               enum ieee80211_ampdu_mlme_action action,
                               struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                              u8 buf_size)
+                              u8 buf_size, bool amsdu)
 {
        struct ath10k *ar = hw->priv;
        struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 172a9ff4aaabc5a27d0a318f9cfe94d05f48c21a..a680a970b7f7ef065bc09b83e2c80c4844d24c94 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1659,7 +1659,7 @@ static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
                                  struct ieee80211_vif *vif,
                                  enum ieee80211_ampdu_mlme_action action,
                                  struct ieee80211_sta *sta,
-                                 u16 tid, u16 *ssn, u8 buf_size)
+                                 u16 tid, u16 *ssn, u8 buf_size, bool amsdu)
 {
        struct ath9k_htc_priv *priv = hw->priv;
        struct ath9k_htc_sta *ista;

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index c27143ba9ffbe8e6d863c0353e3ef3effd29bd5e..323eb33c3c6e763de1adc08913f4940b69f6af20 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1856,7 +1856,7 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
                              struct ieee80211_vif *vif,
                              enum ieee80211_ampdu_mlme_action action,
                              struct ieee80211_sta *sta,
-                             u16 tid, u16 *ssn, u8 buf_size)
+                             u16 tid, u16 *ssn, u8 buf_size, bool amsdu)
 {
        struct ath_softc *sc = hw->priv;
        struct ath_common *common = ath9k_hw_common(sc->sc_ah);

diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index 170c209f99b85cfbbac6142cd625fdd5ddcb2ac8..19d3d64416bf66825eb113590474b4e4a68f8ec2 100644 (file)
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -1415,7 +1415,7 @@ static int carl9170_op_ampdu_action(struct ieee80211_hw *hw,
                                    struct ieee80211_vif *vif,
                                    enum ieee80211_ampdu_mlme_action action,
                                    struct ieee80211_sta *sta,
-                                   u16 tid, u16 *ssn, u8 buf_size)
+                                   u16 tid, u16 *ssn, u8 buf_size, bool amsdu)
 {
        struct ar9170 *ar = hw->priv;
        struct carl9170_sta_info *sta_info = (void *) sta->drv_priv;

diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index 900e72a089d8cbfddacefea50b08a68b790b690f..7c169abdbafee95ccfe8f461e670fbb8ab5ca5eb 100644 (file)
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -859,7 +859,7 @@ static int wcn36xx_ampdu_action(struct ieee80211_hw *hw,
                    struct ieee80211_vif *vif,
                    enum ieee80211_ampdu_mlme_action action,
                    struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                   u8 buf_size)
+                   u8 buf_size, bool amsdu)
 {
        struct wcn36xx *wcn = hw->priv;
        struct wcn36xx_sta *sta_priv = NULL;

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index d2c5747e3ac9233731d70d8ff391fc8791beaebb..bec2dc1ca2e406bcf4ac0ee0d00fa27a704cf7f2 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -820,7 +820,7 @@ brcms_ops_ampdu_action(struct ieee80211_hw *hw,
                    struct ieee80211_vif *vif,
                    enum ieee80211_ampdu_mlme_action action,
                    struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                   u8 buf_size)
+                   u8 buf_size, bool amsdu)
 {
        struct brcms_info *wl = hw->priv;
        struct scb *scb = &wl->wlc->pri_scb;

diff --git a/drivers/net/wireless/cw1200/sta.c b/drivers/net/wireless/cw1200/sta.c
index b86500b4418f743ffb9363f6bcf70c8d91e94820..95a7fdb3cc1cd83fcda337527d153580789391b2 100644 (file)
--- a/drivers/net/wireless/cw1200/sta.c
+++ b/drivers/net/wireless/cw1200/sta.c
@@ -2137,7 +2137,7 @@ int cw1200_ampdu_action(struct ieee80211_hw *hw,
                        struct ieee80211_vif *vif,
                        enum ieee80211_ampdu_mlme_action action,
                        struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                       u8 buf_size)
+                       u8 buf_size, bool amsdu)
 {
        /* Aggregation is implemented fully in firmware,
         * including block ack negotiation. Do not allow

diff --git a/drivers/net/wireless/cw1200/sta.h b/drivers/net/wireless/cw1200/sta.h
index b7e386b7662b668b8299a9ab52f3c22f2633dfe5..bebb3379017f6d40c3cd58b92ddfaabab1259f59 100644 (file)
--- a/drivers/net/wireless/cw1200/sta.h
+++ b/drivers/net/wireless/cw1200/sta.h
@@ -111,7 +111,7 @@ int cw1200_ampdu_action(struct ieee80211_hw *hw,
                        struct ieee80211_vif *vif,
                        enum ieee80211_ampdu_mlme_action action,
                        struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                       u8 buf_size);
+                       u8 buf_size, bool amsdu);
 
 void cw1200_suspend_resume(struct cw1200_common *priv,
                          struct wsm_suspend_resume *arg);

diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index 44fa422f255ea6505163e57029af556db94cb205..6656215a13a9239334b9eca21f510342bb28f0d7 100644 (file)
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -5984,7 +5984,7 @@ int
 il4965_mac_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                        enum ieee80211_ampdu_mlme_action action,
                        struct ieee80211_sta *sta, u16 tid, u16 * ssn,
-                       u8 buf_size)
+                       u8 buf_size, bool amsdu)
 {
        struct il_priv *il = hw->priv;
        int ret = -EINVAL;

diff --git a/drivers/net/wireless/iwlegacy/4965.h b/drivers/net/wireless/iwlegacy/4965.h
index 3a57f71b8ed57fbb98761901968ee4e4cc0110f8..8ab8706f942267fcd2467928b1cbdf248a05921f 100644 (file)
--- a/drivers/net/wireless/iwlegacy/4965.h
+++ b/drivers/net/wireless/iwlegacy/4965.h
@@ -184,7 +184,7 @@ void il4965_mac_update_tkip_key(struct ieee80211_hw *hw,
 int il4965_mac_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                            enum ieee80211_ampdu_mlme_action action,
                            struct ieee80211_sta *sta, u16 tid, u16 * ssn,
-                           u8 buf_size);
+                           u8 buf_size, bool amsdu);
 int il4965_mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                       struct ieee80211_sta *sta);
 void

diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index 453f7c315ab525dcda15696676b16ef3b02f46f1..b3ad34e8bf5a023756fc51b261565ae99f0fee1a 100644 (file)
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -731,7 +731,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
                                   struct ieee80211_vif *vif,
                                   enum ieee80211_ampdu_mlme_action action,
                                   struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                                  u8 buf_size)
+                                  u8 buf_size, bool amsdu)
 {
        struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
        int ret = -EINVAL;

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index aa8c2b7f23c73862f0526f109ad647cc0c80a259..f70452c41d6332e24b05ca4eac1cd1f23ee95c1e 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -820,7 +820,7 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
                                    struct ieee80211_vif *vif,
                                    enum ieee80211_ampdu_mlme_action action,
                                    struct ieee80211_sta *sta, u16 tid,
-                                   u16 *ssn, u8 buf_size)
+                                   u16 *ssn, u8 buf_size, bool amsdu)
 {
        struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
        int ret;

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 520bef80747f295bea9f98e4ca2573bbc5dde48a..2af2f3d0cc3197090d7433583415dc7d939fa46a 100644 (file)
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1819,7 +1819,7 @@ static int mac80211_hwsim_ampdu_action(struct ieee80211_hw *hw,
                                       struct ieee80211_vif *vif,
                                       enum ieee80211_ampdu_mlme_action action,
                                       struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                                      u8 buf_size)
+                                      u8 buf_size, bool amsdu)
 {
        switch (action) {
        case IEEE80211_AMPDU_TX_START:

diff --git a/drivers/net/wireless/mediatek/mt7601u/main.c b/drivers/net/wireless/mediatek/mt7601u/main.c
index 169384b48b27d785cb43cb3199dedc89b736db84..f715eee398510df829a61ba0f431610d1ab32baa 100644 (file)
--- a/drivers/net/wireless/mediatek/mt7601u/main.c
+++ b/drivers/net/wireless/mediatek/mt7601u/main.c
@@ -335,7 +335,8 @@ static int mt7601u_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
 static int
 mt76_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                  enum ieee80211_ampdu_mlme_action action,
-                 struct ieee80211_sta *sta, u16 tid, u16 *ssn, u8 buf_size)
+                 struct ieee80211_sta *sta, u16 tid, u16 *ssn, u8 buf_size,
+                 bool amsdu)
 {
        struct mt7601u_dev *dev = hw->priv;
        struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv;

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 9420fc61c2e6ab09aeba53d01930be1ebc9fd0f3..30e3aaae32e2288ed1f7541b6da7a42eb6a8729a 100644 (file)
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -5423,7 +5423,7 @@ static int
 mwl8k_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                   enum ieee80211_ampdu_mlme_action action,
                   struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                  u8 buf_size)
+                  u8 buf_size, bool amsdu)
 {
 
        int i, rc = 0;

diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
index 7e804324bfa786fd60dd5f07b4cb19d80145658d..b5bcc933a2a683df412139b1204fee320096a889 100644 (file)
--- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
@@ -664,6 +664,7 @@ static int rsi_mac80211_set_key(struct ieee80211_hw *hw,
  * @tid: Traffic identifier.
  * @ssn: Pointer to ssn value.
  * @buf_size: Buffer size (for kernel version > 2.6.38).
+ * @amsdu: is AMSDU in AMPDU allowed
  *
  * Return: status: 0 on success, negative error code on failure.
  */
@@ -673,7 +674,8 @@ static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw,
                                     struct ieee80211_sta *sta,
                                     unsigned short tid,
                                     unsigned short *ssn,
-                                    unsigned char buf_size)
+                                    unsigned char buf_size,
+                                    bool amsdu)
 {
        int status = -EOPNOTSUPP;
        struct rsi_hw *adapter = hw->priv;

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 9524564f873bc8c71e736451a3032a089faa61c1..9733b31a780d380fd2bfd550efe155943b0fdb34 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -7937,7 +7937,7 @@ EXPORT_SYMBOL_GPL(rt2800_get_tsf);
 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                        enum ieee80211_ampdu_mlme_action action,
                        struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                       u8 buf_size)
+                       u8 buf_size, bool amsdu)
 {
        struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
        int ret = 0;

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 1609b8a7f7ebcbc801ff3eb71cd27acd7074a968..440790b92b19e2927fd9b9d7446cbd3c8eef4f30 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -220,7 +220,7 @@ u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                        enum ieee80211_ampdu_mlme_action action,
                        struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                       u8 buf_size);
+                       u8 buf_size, bool amsdu);
 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
                      struct survey_info *survey);
 void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev);

diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c
index 585d0883c7e58760eed503de64ced513c8331c82..c925a4dff5995b6934bfc5edcb28a45ec8bbe4c7 100644 (file)
--- a/drivers/net/wireless/rtlwifi/core.c
+++ b/drivers/net/wireless/rtlwifi/core.c
@@ -1373,7 +1373,7 @@ static int rtl_op_ampdu_action(struct ieee80211_hw *hw,
                               struct ieee80211_vif *vif,
                               enum ieee80211_ampdu_mlme_action action,
                               struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                              u8 buf_size)
+                              u8 buf_size, bool amsdu)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
 

diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index e819369d8f8f43a2ce37a5260c3c8c017c7ad5eb..ec7f6af3fab26bebcac055892937332e0254c1fb 100644 (file)
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -5263,7 +5263,7 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw,
                                  struct ieee80211_vif *vif,
                                  enum ieee80211_ampdu_mlme_action action,
                                  struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                                 u8 buf_size)
+                                 u8 buf_size, bool amsdu)
 {
        struct wl1271 *wl = hw->priv;
        struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index cfa906f28b7a277b480f5bf154bb8cf76e467ad5..19eb9ecd6cf36a05aae580b334cb4ad250dd0a10 100644 (file)
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1379,6 +1379,7 @@ struct ieee80211_ht_operation {
 
 
 /* block-ack parameters */
+#define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 16786450313805488fc8cde7ff608cfb99a84dfb..f28cbc0988ebcb7f3f5d94bcfd7da23e37ac850d 100644 (file)
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -3026,6 +3026,9 @@ enum ieee80211_reconfig_type {
  *     buffer size of 8. Correct ways to retransmit #1 would be:
  *      - TX:       1 or 18 or 81
  *     Even "189" would be wrong since 1 could be lost again.
+ *     The @amsdu parameter is valid when the action is set to
+ *     %IEEE80211_AMPDU_TX_OPERATIONAL and indicates the peer's ability
+ *     to receive A-MSDU within A-MPDU.
  *
  *     Returns a negative error code on failure.
  *     The callback can sleep.
@@ -3363,7 +3366,7 @@ struct ieee80211_ops {
                            struct ieee80211_vif *vif,
                            enum ieee80211_ampdu_mlme_action action,
                            struct ieee80211_sta *sta, u16 tid, u16 *ssn,
-                           u8 buf_size);
+                           u8 buf_size, bool amsdu);
        int (*get_survey)(struct ieee80211_hw *hw, int idx,
                struct survey_info *survey);
        void (*rfkill_poll)(struct ieee80211_hw *hw);

diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 5c564a68fb5088e21ccec11ffdde963bf8bb6cdf..6ebe8611eca56da6ec55c63d84c502b85ab3c150 100644 (file)
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -79,7 +79,7 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
               (int)reason);
 
        if (drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_STOP,
-                            &sta->sta, tid, NULL, 0))
+                            &sta->sta, tid, NULL, 0, false))
                sdata_info(sta->sdata,
                           "HW problem - can not stop rx aggregation for %pM tid %d\n",
                           sta->sta.addr, tid);
@@ -321,7 +321,7 @@ void __ieee80211_start_rx_ba_session(struct sta_info *sta,
                __skb_queue_head_init(&tid_agg_rx->reorder_buf[i]);
 
        ret = drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_START,
-                              &sta->sta, tid, &start_seq_num, 0);
+                              &sta->sta, tid, &start_seq_num, 0, false);
        ht_dbg(sta->sdata, "Rx A-MPDU request on %pM tid %d result %d\n",
               sta->sta.addr, tid, ret);
        if (ret) {

diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index c8ba2e77737c3c00acbe840d8f572258912f39ce..a758eb84e8f057ac6518eef6c73bc8785dc7e746 100644 (file)
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -97,7 +97,8 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
        mgmt->u.action.u.addba_req.action_code = WLAN_ACTION_ADDBA_REQ;
 
        mgmt->u.action.u.addba_req.dialog_token = dialog_token;
-       capab = (u16)(1 << 1);          /* bit 1 aggregation policy */
+       capab = (u16)(1 << 0);          /* bit 0 A-MSDU support */
+       capab |= (u16)(1 << 1);         /* bit 1 aggregation policy */
        capab |= (u16)(tid << 2);       /* bit 5:2 TID number */
        capab |= (u16)(agg_size << 6);  /* bit 15:6 max size of aggergation */
 
@@ -331,7 +332,7 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
                        return -EALREADY;
                ret = drv_ampdu_action(local, sta->sdata,
                                       IEEE80211_AMPDU_TX_STOP_FLUSH_CONT,
-                                      &sta->sta, tid, NULL, 0);
+                                      &sta->sta, tid, NULL, 0, false);
                WARN_ON_ONCE(ret);
                return 0;
        }
@@ -381,7 +382,7 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
        tid_tx->tx_stop = reason == AGG_STOP_LOCAL_REQUEST;
 
        ret = drv_ampdu_action(local, sta->sdata, action,
-                              &sta->sta, tid, NULL, 0);
+                              &sta->sta, tid, NULL, 0, false);
 
        /* HW shall not deny going back to legacy */
        if (WARN_ON(ret)) {
@@ -469,7 +470,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
        start_seq_num = sta->tid_seq[tid] >> 4;
 
        ret = drv_ampdu_action(local, sdata, IEEE80211_AMPDU_TX_START,
-                              &sta->sta, tid, &start_seq_num, 0);
+                              &sta->sta, tid, &start_seq_num, 0, false);
        if (ret) {
                ht_dbg(sdata,
                       "BA request denied - HW unavailable for %pM tid %d\n",
@@ -693,7 +694,8 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
 
        drv_ampdu_action(local, sta->sdata,
                         IEEE80211_AMPDU_TX_OPERATIONAL,
-                        &sta->sta, tid, NULL, tid_tx->buf_size);
+                        &sta->sta, tid, NULL, tid_tx->buf_size,
+                        tid_tx->amsdu);
 
        /*
         * synchronize with TX path, while splicing the TX path
@@ -918,8 +920,10 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
        struct tid_ampdu_tx *tid_tx;
        u16 capab, tid;
        u8 buf_size;
+       bool amsdu;
 
        capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
+       amsdu = capab & IEEE80211_ADDBA_PARAM_AMSDU_MASK;
        tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
        buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6;
 
@@ -968,6 +972,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
                }
 
                tid_tx->buf_size = buf_size;
+               tid_tx->amsdu = amsdu;
 
                if (test_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state))
                        ieee80211_agg_tx_operational(local, sta, tid);

diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 157b20baf752e5233894f0d8f8454bd5df104fc3..31482e2cd25fee0bb644ac519054372df595e85c 100644 (file)
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -734,7 +734,7 @@ static inline int drv_ampdu_action(struct ieee80211_local *local,
                                   struct ieee80211_sub_if_data *sdata,
                                   enum ieee80211_ampdu_mlme_action action,
                                   struct ieee80211_sta *sta, u16 tid,
-                                  u16 *ssn, u8 buf_size)
+                                  u16 *ssn, u8 buf_size, bool amsdu)
 {
        int ret = -EOPNOTSUPP;
 
@@ -744,11 +744,12 @@ static inline int drv_ampdu_action(struct ieee80211_local *local,
        if (!check_sdata_in_driver(sdata))
                return -EIO;
 
-       trace_drv_ampdu_action(local, sdata, action, sta, tid, ssn, buf_size);
+       trace_drv_ampdu_action(local, sdata, action, sta, tid,
+                              ssn, buf_size, amsdu);
 
        if (local->ops->ampdu_action)
                ret = local->ops->ampdu_action(&local->hw, &sdata->vif, action,
-                                              sta, tid, ssn, buf_size);
+                                              sta, tid, ssn, buf_size, amsdu);
 
        trace_drv_return_int(local, ret);
 

diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index b087c71ff7fe4ef99ed3869cc2c7eecc174b95c0..d5ded8749ac4c281c25721fa417a89189761b9a7 100644 (file)
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -133,6 +133,7 @@ enum ieee80211_agg_stop_reason {
  * @buf_size: reorder buffer size at receiver
  * @failed_bar_ssn: ssn of the last failed BAR tx attempt
  * @bar_pending: BAR needs to be re-sent
+ * @amsdu: support A-MSDU withing A-MDPU
  *
  * This structure's lifetime is managed by RCU, assignments to
  * the array holding it must hold the aggregation mutex.
@@ -158,6 +159,7 @@ struct tid_ampdu_tx {
 
        u16 failed_bar_ssn;
        bool bar_pending;
+       bool amsdu;
 };
 
 /**

diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index b5960b948f60de01e232efb84859aac7b4843a78..314e3bd7fbdb3932f3e3bcf9a61118af2fcc263f 100644 (file)
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -974,9 +974,9 @@ TRACE_EVENT(drv_ampdu_action,
                 struct ieee80211_sub_if_data *sdata,
                 enum ieee80211_ampdu_mlme_action action,
                 struct ieee80211_sta *sta, u16 tid,
-                u16 *ssn, u8 buf_size),
+                u16 *ssn, u8 buf_size, bool amsdu),
 
-       TP_ARGS(local, sdata, action, sta, tid, ssn, buf_size),
+       TP_ARGS(local, sdata, action, sta, tid, ssn, buf_size, amsdu),
 
        TP_STRUCT__entry(
                LOCAL_ENTRY
@@ -985,6 +985,7 @@ TRACE_EVENT(drv_ampdu_action,
                __field(u16, tid)
                __field(u16, ssn)
                __field(u8, buf_size)
+               __field(bool, amsdu)
                VIF_ENTRY
        ),
 
@@ -996,12 +997,13 @@ TRACE_EVENT(drv_ampdu_action,
                __entry->tid = tid;
                __entry->ssn = ssn ? *ssn : 0;
                __entry->buf_size = buf_size;
+               __entry->amsdu = amsdu;
        ),
 
        TP_printk(
-               LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " action:%d tid:%d buf:%d",
+               LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT " action:%d tid:%d buf:%d amsdu:%d",
                LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->action,
-               __entry->tid, __entry->buf_size
+               __entry->tid, __entry->buf_size, __entry->amsdu
        )
 );