From: Avinash Patil <patila@xxxxxxxxxxx>
If TDLS link is 11ac enabled i.e. we as well as peer station
supports VHT, configure seprate TX & RX window sizes during
BA setup. So even if BSS does not support 11ac, we can use VHT
capabilities and higher window sizes on direct link.
Signed-off-by: Avinash Patil <patila@xxxxxxxxxxx>
Signed-off-by: Bing Zhao <bzhao@xxxxxxxxxxx>
---
drivers/net/wireless/mwifiex/11n.c | 22 +++++++++++++++++++---
drivers/net/wireless/mwifiex/11n_rxreorder.c | 21 +++++++++++++++++++--
2 files changed, 38 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c
index 4812829..2f2b991 100644
--- a/drivers/net/wireless/mwifiex/11n.c
+++ b/drivers/net/wireless/mwifiex/11n.c
@@ -537,16 +537,32 @@ void mwifiex_create_ba_tbl(struct mwifiex_private *priv, u8 *ra, int tid,
int mwifiex_send_addba(struct mwifiex_private *priv, int tid, u8 *peer_mac)
{
struct host_cmd_ds_11n_addba_req add_ba_req;
+ struct mwifiex_sta_node *sta_ptr;
+ u32 tx_win_size = priv->add_ba_param.tx_win_size;
static u8 dialog_tok;
int ret;
dev_dbg(priv->adapter->dev, "cmd: %s: tid %d\n", __func__, tid);
+ if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
+ ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
+ priv->adapter->is_hw_11ac_capable &&
+ memcmp(priv->cfg_bssid, peer_mac, ETH_ALEN)) {
+ sta_ptr = mwifiex_get_sta_entry(priv, peer_mac);
+ if (!sta_ptr) {
+ dev_warn(priv->adapter->dev,
+ "BA setup with unknown TDLS peer %pM!\n",
+ peer_mac);
+ return -1;
+ }
+ if (sta_ptr->is_11ac_enabled)
+ tx_win_size = MWIFIEX_11AC_STA_AMPDU_DEF_TXWINSIZE;
+ }
+
add_ba_req.block_ack_param_set = cpu_to_le16(
(u16) ((tid << BLOCKACKPARAM_TID_POS) |
- (priv->add_ba_param.
- tx_win_size << BLOCKACKPARAM_WINSIZE_POS) |
- IMMEDIATE_BLOCK_ACK));
+ tx_win_size << BLOCKACKPARAM_WINSIZE_POS |
+ IMMEDIATE_BLOCK_ACK));
add_ba_req.block_ack_tmo = cpu_to_le16((u16)priv->add_ba_param.timeout);
++dialog_tok;
diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.c b/drivers/net/wireless/mwifiex/11n_rxreorder.c
index 3767399..b361257 100644
--- a/drivers/net/wireless/mwifiex/11n_rxreorder.c
+++ b/drivers/net/wireless/mwifiex/11n_rxreorder.c
@@ -362,10 +362,28 @@ int mwifiex_cmd_11n_addba_rsp_gen(struct mwifiex_private *priv,
*cmd_addba_req)
{
struct host_cmd_ds_11n_addba_rsp *add_ba_rsp = &cmd->params.add_ba_rsp;
+ struct mwifiex_sta_node *sta_ptr;
+ u32 rx_win_size = priv->add_ba_param.rx_win_size;
u8 tid;
int win_size;
uint16_t block_ack_param_set;
+ if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
+ ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
+ priv->adapter->is_hw_11ac_capable &&
+ memcmp(priv->cfg_bssid, cmd_addba_req->peer_mac_addr, ETH_ALEN)) {
+ sta_ptr = mwifiex_get_sta_entry(priv,
+ cmd_addba_req->peer_mac_addr);
+ if (!sta_ptr) {
+ dev_warn(priv->adapter->dev,
+ "BA setup with unknown TDLS peer %pM!\n",
+ cmd_addba_req->peer_mac_addr);
+ return -1;
+ }
+ if (sta_ptr->is_11ac_enabled)
+ rx_win_size = MWIFIEX_11AC_STA_AMPDU_DEF_RXWINSIZE;
+ }
+
cmd->command = cpu_to_le16(HostCmd_CMD_11N_ADDBA_RSP);
cmd->size = cpu_to_le16(sizeof(*add_ba_rsp) + S_DS_GEN);
@@ -382,8 +400,7 @@ int mwifiex_cmd_11n_addba_rsp_gen(struct mwifiex_private *priv,
block_ack_param_set &= ~IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK;
/* We donot support AMSDU inside AMPDU, hence reset the bit */
block_ack_param_set &= ~BLOCKACKPARAM_AMSDU_SUPP_MASK;
- block_ack_param_set |= (priv->add_ba_param.rx_win_size <<
- BLOCKACKPARAM_WINSIZE_POS);
+ block_ack_param_set |= rx_win_size << BLOCKACKPARAM_WINSIZE_POS;
add_ba_rsp->block_ack_param_set = cpu_to_le16(block_ack_param_set);
win_size = (le16_to_cpu(add_ba_rsp->block_ack_param_set)
& IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK)
--
1.8.2.3
--
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