/**
* @brief This function handles the command response of
* a block ack response
*
* @param priv A pointer to mlan_private structure
* @param resp A pointer to HostCmd_DS_COMMAND
*
* @return MLAN_STATUS_SUCCESS
*/
mlan_status
wlan_ret_11n_addba_resp(mlan_private * priv, HostCmd_DS_COMMAND * resp)
{
HostCmd_DS_11N_ADDBA_RSP *padd_ba_rsp = (HostCmd_DS_11N_ADDBA_RSP *)
& resp->params.add_ba_rsp;
int tid, win_size;
ENTER();
padd_ba_rsp->status_code = wlan_le16_to_cpu(padd_ba_rsp->status_code);
padd_ba_rsp->block_ack_param_set =
wlan_le16_to_cpu(padd_ba_rsp->block_ack_param_set);
padd_ba_rsp->block_ack_tmo = wlan_le16_to_cpu(padd_ba_rsp->block_ack_tmo);
padd_ba_rsp->ssn = wlan_le16_to_cpu(padd_ba_rsp->ssn);
tid = (padd_ba_rsp->block_ack_param_set & BLOCKACKPARAM_TID_MASK)
>> BLOCKACKPARAM_TID_POS;
win_size = (padd_ba_rsp->block_ack_param_set & BLOCKACKPARAM_WINSIZE_MASK)
>> BLOCKACKPARAM_WINSIZE_POS;
wlan_11n_create_rxreorder_tbl(priv, padd_ba_rsp->peer_mac_addr, tid,
win_size, padd_ba_rsp->ssn);
PRINTM(MEVENT, "ADDBA: %02x:%02x:%02x:%02x:%02x:%02x tid=%d\n",
padd_ba_rsp->peer_mac_addr[0], padd_ba_rsp->peer_mac_addr[1],
padd_ba_rsp->peer_mac_addr[2], padd_ba_rsp->peer_mac_addr[3],
padd_ba_rsp->peer_mac_addr[4], padd_ba_rsp->peer_mac_addr[5], tid);
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function handles the command response of
* a block ack response
*
* @param priv A pointer to mlan_private structure
* @param resp A pointer to HostCmd_DS_COMMAND
*
* @return MLAN_STATUS_SUCCESS
*/
mlan_status
wlan_ret_11n_addba_resp(mlan_private * priv, HostCmd_DS_COMMAND * resp)
{
HostCmd_DS_11N_ADDBA_RSP *padd_ba_rsp = (HostCmd_DS_11N_ADDBA_RSP *)
& resp->params.add_ba_rsp;
int tid, win_size;
ENTER();
padd_ba_rsp->status_code = wlan_le16_to_cpu(padd_ba_rsp->status_code);
padd_ba_rsp->block_ack_param_set =
wlan_le16_to_cpu(padd_ba_rsp->block_ack_param_set);
padd_ba_rsp->block_ack_tmo = wlan_le16_to_cpu(padd_ba_rsp->block_ack_tmo);
padd_ba_rsp->ssn = wlan_le16_to_cpu(padd_ba_rsp->ssn);
tid = (padd_ba_rsp->block_ack_param_set & BLOCKACKPARAM_TID_MASK)
>> BLOCKACKPARAM_TID_POS;
/* Check if we had rejected the ADDBA, if yes then do not create the stream */
if (padd_ba_rsp->status_code == BA_RESULT_SUCCESS) {
win_size =
(padd_ba_rsp->block_ack_param_set & BLOCKACKPARAM_WINSIZE_MASK)
>> BLOCKACKPARAM_WINSIZE_POS;
wlan_11n_create_rxreorder_tbl(priv, padd_ba_rsp->peer_mac_addr, tid,
win_size, padd_ba_rsp->ssn);
PRINTM(MCMND, "ADDBA RSP: %02x:%02x:%02x:%02x:%02x:%02x tid=%d\n",
padd_ba_rsp->peer_mac_addr[0], padd_ba_rsp->peer_mac_addr[1],
padd_ba_rsp->peer_mac_addr[2], padd_ba_rsp->peer_mac_addr[3],
padd_ba_rsp->peer_mac_addr[4], padd_ba_rsp->peer_mac_addr[5],
tid);
} else {
/**
* @brief This function prepares command for adding a block ack
* response.
*
* @param priv A pointer to mlan_private structure
* @param cmd A pointer to HostCmd_DS_COMMAND structure
* @param pdata_buf A pointer to data buffer
*
* @return MLAN_STATUS_SUCCESS
*/
mlan_status
wlan_cmd_11n_addba_rspgen(mlan_private * priv,
HostCmd_DS_COMMAND * cmd, void *pdata_buf)
{
HostCmd_DS_11N_ADDBA_RSP *padd_ba_rsp = (HostCmd_DS_11N_ADDBA_RSP *)
& cmd->params.add_ba_rsp;
HostCmd_DS_11N_ADDBA_REQ *pevt_addba_req =
(HostCmd_DS_11N_ADDBA_REQ *) pdata_buf;
t_u8 tid = 0;
int win_size = 0;
ENTER();
pevt_addba_req->block_ack_param_set =
wlan_le16_to_cpu(pevt_addba_req->block_ack_param_set);
pevt_addba_req->block_ack_tmo =
wlan_le16_to_cpu(pevt_addba_req->block_ack_tmo);
pevt_addba_req->ssn = wlan_le16_to_cpu(pevt_addba_req->ssn);
cmd->command = wlan_cpu_to_le16(HostCmd_CMD_11N_ADDBA_RSP);
cmd->size = wlan_cpu_to_le16(sizeof(HostCmd_DS_11N_ADDBA_RSP) + S_DS_GEN);
memcpy(priv->adapter, padd_ba_rsp->peer_mac_addr,
pevt_addba_req->peer_mac_addr, MLAN_MAC_ADDR_LENGTH);
padd_ba_rsp->dialog_token = pevt_addba_req->dialog_token;
padd_ba_rsp->block_ack_tmo =
wlan_cpu_to_le16(pevt_addba_req->block_ack_tmo);
padd_ba_rsp->ssn = wlan_cpu_to_le16(pevt_addba_req->ssn);
padd_ba_rsp->block_ack_param_set = pevt_addba_req->block_ack_param_set;
tid = (padd_ba_rsp->block_ack_param_set & BLOCKACKPARAM_TID_MASK)
>> BLOCKACKPARAM_TID_POS;
if (priv->addba_reject[tid])
padd_ba_rsp->status_code = wlan_cpu_to_le16(ADDBA_RSP_STATUS_DECLINED);
else
padd_ba_rsp->status_code = wlan_cpu_to_le16(ADDBA_RSP_STATUS_ACCEPT);
padd_ba_rsp->block_ack_param_set &= ~BLOCKACKPARAM_WINSIZE_MASK;
/* We donot support AMSDU inside AMPDU, hence reset the bit */
padd_ba_rsp->block_ack_param_set &= ~BLOCKACKPARAM_AMSDU_SUPP_MASK;
padd_ba_rsp->block_ack_param_set |= (priv->add_ba_param.rx_win_size <<
BLOCKACKPARAM_WINSIZE_POS);
win_size = (padd_ba_rsp->block_ack_param_set & BLOCKACKPARAM_WINSIZE_MASK)
>> BLOCKACKPARAM_WINSIZE_POS;
padd_ba_rsp->block_ack_param_set =
wlan_cpu_to_le16(padd_ba_rsp->block_ack_param_set);
wlan_11n_create_rxreorder_tbl(priv, pevt_addba_req->peer_mac_addr, tid,
win_size, pevt_addba_req->ssn);
LEAVE();
return MLAN_STATUS_SUCCESS;
}
