mwifiex: add AMSDU inside AMPDU support

Currently AMPDU aggregation is preferred over AMSDU. AMSDU
aggregation is performed only if AMPDU streams in firmware
are full.
This patch adds simultaneous AMSDU and AMPDU aggregation
support. This mechanism helps to improve throughput.
AMSDU is enabled only for 8897 chipsets which supports 4K
transmit buffer. User can disable AMSDU using
'disable_tx_amsdu' module parameter.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 713dd247a153..a67f7da12b30 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -192,6 +192,8 @@ struct mwifiex_add_ba_param {
         u32 tx_win_size;
         u32 rx_win_size;
         u32 timeout;
+        u8 tx_amsdu;
+        u8 rx_amsdu;
 };
 
 struct mwifiex_tx_aggr {
@@ -560,6 +562,7 @@ struct mwifiex_tx_ba_stream_tbl {
         int tid;
         u8 ra[ETH_ALEN];
         enum mwifiex_ba_status ba_status;
+        u8 amsdu;
 };
 
 struct mwifiex_rx_reorder_tbl;
@@ -579,6 +582,7 @@ struct mwifiex_rx_reorder_tbl {
         int win_size;
         void **rx_reorder_ptr;
         struct reorder_tmr_cnxt timer_context;
+        u8 amsdu;
         u8 flags;
 };