Commit 99e7ca44 authored by Emmanuel Grumbach's avatar Emmanuel Grumbach Committed by Johannes Berg
Browse files

mac80211: allow the driver to advertise A-MSDU within A-MPDU Rx support 



Drivers may be interested in receiving A-MSDU within A-MDPU.
Not all the devices may be able to do so, make it configurable.

Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 46cad4b7

include/net/mac80211.h

+4 −0
Original line number Diff line number Diff line
@@ -1897,6 +1897,9 @@ struct ieee80211_txq { 
 * @IEEE80211_HW_TDLS_WIDER_BW: The device/driver supports wider bandwidth

 *	than then BSS bandwidth for a TDLS link on the base channel.

 *

 * @IEEE80211_HW_SUPPORTS_AMSDU_IN_AMPDU: The driver supports receiving A-MSDUs

 *	within A-MPDU.

 *

 * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays

 */

enum ieee80211_hw_flags {
@@ -1930,6 +1933,7 @@ enum ieee80211_hw_flags { 
	IEEE80211_HW_SUPPORTS_CLONED_SKBS,

	IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS,

	IEEE80211_HW_TDLS_WIDER_BW,

	IEEE80211_HW_SUPPORTS_AMSDU_IN_AMPDU,



	/* keep last, obviously */

	NUM_IEEE80211_HW_FLAGS

net/mac80211/agg-rx.c

+3 −1
Original line number Diff line number Diff line
@@ -189,6 +189,7 @@ static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *d 
	struct ieee80211_local *local = sdata->local;

	struct sk_buff *skb;

	struct ieee80211_mgmt *mgmt;

	bool amsdu = ieee80211_hw_check(&local->hw, SUPPORTS_AMSDU_IN_AMPDU);

	u16 capab;



	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
@@ -217,7 +218,8 @@ static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *d 
	mgmt->u.action.u.addba_resp.action_code = WLAN_ACTION_ADDBA_RESP;

	mgmt->u.action.u.addba_resp.dialog_token = dialog_token;



	capab = (u16)(policy << 1);	/* bit 1 aggregation policy */

	capab = (u16)(amsdu << 0);	/* bit 0 A-MSDU support */

	capab |= (u16)(policy << 1);	/* bit 1 aggregation policy */

	capab |= (u16)(tid << 2); 	/* bit 5:2 TID number */

	capab |= (u16)(buf_size << 6);	/* bit 15:6 max size of aggregation */

net/mac80211/debugfs.c

+1 −0
Original line number Diff line number Diff line
@@ -123,6 +123,7 @@ static const char *hw_flag_names[NUM_IEEE80211_HW_FLAGS + 1] = { 
	FLAG(SUPPORTS_CLONED_SKBS),

	FLAG(SINGLE_SCAN_ON_ALL_BANDS),

	FLAG(TDLS_WIDER_BW),

	FLAG(SUPPORTS_AMSDU_IN_AMPDU),



	/* keep last for the build bug below */

	(void *)0x1

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