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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>
This commit is contained in:
Emmanuel Grumbach 2015-08-16 11:13:22 +03:00 committed by Johannes Berg
parent 1b09b5568e
commit e3abc8ff0f
27 changed files with 52 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/ath/ath10k/mac.c
View File

@ -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);

2
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View File

@ -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;

2
drivers/net/wireless/ath/ath9k/main.c
View File

@ -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);

2
drivers/net/wireless/ath/carl9170/main.c
View File

@ -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;

2
drivers/net/wireless/ath/wcn36xx/main.c
View File

@ -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;

2
drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
View File

@ -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;

2
drivers/net/wireless/cw1200/sta.c
View File

@ -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

2
drivers/net/wireless/cw1200/sta.h
View File

@ -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);

2
drivers/net/wireless/iwlegacy/4965-mac.c
View File

@ -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;

2
drivers/net/wireless/iwlegacy/4965.h
View File

@ -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

2
drivers/net/wireless/iwlwifi/dvm/mac80211.c
View File

@ -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;

2
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -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;

2
drivers/net/wireless/mac80211_hwsim.c
View File

@ -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:

3
drivers/net/wireless/mediatek/mt7601u/main.c
View File

@ -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;

2
drivers/net/wireless/mwl8k.c
View File

@ -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;

4
drivers/net/wireless/rsi/rsi_91x_mac80211.c
View File

@ -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;

2
drivers/net/wireless/rt2x00/rt2800lib.c
View File

@ -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;

2
drivers/net/wireless/rt2x00/rt2800lib.h
View File

@ -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);

2
drivers/net/wireless/rtlwifi/core.c
View File

@ -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);

2
drivers/net/wireless/ti/wlcore/main.c
View File

@ -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);

1
include/linux/ieee80211.h
View File

@ -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

5
include/net/mac80211.h
View File

@ -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);

4
net/mac80211/agg-rx.c
View File

@ -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) {

15
net/mac80211/agg-tx.c
View File

@ -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);

7
net/mac80211/driver-ops.h
View File

@ -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);

2
net/mac80211/sta_info.h
View File

@ -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;
};
/**

10
net/mac80211/trace.h
View File

@ -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
)
);