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mwifiex: separate BA params for TDLS link if 11ac is supported

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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@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Avinash Patil 2014-02-07 16:30:40 -08:00 committed by John W. Linville
parent 5f6d598339
commit b06c532114
2 changed files with 38 additions and 5 deletions
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22
drivers/net/wireless/mwifiex/11n.c
View File

@ -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;

21
drivers/net/wireless/mwifiex/11n_rxreorder.c
View File

@ -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)