/*
* This function prepares command to set/get RF channel.
*
* Preparation includes -
* - Setting command ID, action and proper size
* - Setting RF type and current RF channel (for SET only)
* - Ensuring correct endian-ness
*/
static int mwifiex_cmd_802_11_rf_channel(struct mwifiex_private *priv,
struct host_cmd_ds_command *cmd,
u16 cmd_action, u16 *channel)
{
struct host_cmd_ds_802_11_rf_channel *rf_chan =
&cmd->params.rf_channel;
uint16_t rf_type = le16_to_cpu(rf_chan->rf_type);
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_RF_CHANNEL);
cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rf_channel)
+ S_DS_GEN);
if (cmd_action == HostCmd_ACT_GEN_SET) {
if ((priv->adapter->adhoc_start_band & BAND_A)
|| (priv->adapter->adhoc_start_band & BAND_AN))
rf_chan->rf_type =
cpu_to_le16(HostCmd_SCAN_RADIO_TYPE_A);
rf_type = le16_to_cpu(rf_chan->rf_type);
SET_SECONDARYCHAN(rf_type, priv->adapter->chan_offset);
rf_chan->current_channel = cpu_to_le16(*channel);
}
rf_chan->action = cpu_to_le16(cmd_action);
return 0;
}
/**
* @brief This function append the 802_11N tlv
*
* @param pmpriv A pointer to mlan_private structure
* @param pbss_desc A pointer to BSSDescriptor_t structure
* @param ppbuffer A Pointer to command buffer pointer
*
* @return bytes added to the buffer
*/
int
wlan_cmd_append_11n_tlv(IN mlan_private * pmpriv,
IN BSSDescriptor_t * pbss_desc, OUT t_u8 ** ppbuffer)
{
pmlan_adapter pmadapter = pmpriv->adapter;
MrvlIETypes_HTCap_t *pht_cap;
MrvlIETypes_HTInfo_t *pht_info;
MrvlIEtypes_ChanListParamSet_t *pchan_list;
MrvlIETypes_2040BSSCo_t *p2040_bss_co;
MrvlIETypes_ExtCap_t *pext_cap;
int ret_len = 0;
ENTER();
/* Null Checks */
if (ppbuffer == 0) {
LEAVE();
return 0;
}
if (*ppbuffer == 0) {
LEAVE();
return 0;
}
if (pbss_desc->pht_cap) {
pht_cap = (MrvlIETypes_HTCap_t *) * ppbuffer;
memset(pmadapter, pht_cap, 0, sizeof(MrvlIETypes_HTCap_t));
pht_cap->header.type = wlan_cpu_to_le16(HT_CAPABILITY);
pht_cap->header.len = sizeof(HTCap_t);
memcpy(pmadapter, (t_u8 *) pht_cap + sizeof(MrvlIEtypesHeader_t),
(t_u8 *) pbss_desc->pht_cap + sizeof(IEEEtypes_Header_t),
pht_cap->header.len);
pht_cap->ht_cap.ht_cap_info =
wlan_le16_to_cpu(pht_cap->ht_cap.ht_cap_info);
wlan_fill_cap_info(pmpriv, pht_cap);
pht_cap->ht_cap.ht_cap_info =
wlan_cpu_to_le16(pht_cap->ht_cap.ht_cap_info);
HEXDUMP("HT_CAPABILITIES IE", (t_u8 *) pht_cap,
sizeof(MrvlIETypes_HTCap_t));
*ppbuffer += sizeof(MrvlIETypes_HTCap_t);
ret_len += sizeof(MrvlIETypes_HTCap_t);
pht_cap->header.len = wlan_cpu_to_le16(pht_cap->header.len);
}
if (pbss_desc->pht_info) {
if (pmpriv->bss_mode == MLAN_BSS_MODE_IBSS) {
pht_info = (MrvlIETypes_HTInfo_t *) * ppbuffer;
memset(pmadapter, pht_info, 0, sizeof(MrvlIETypes_HTInfo_t));
pht_info->header.type = wlan_cpu_to_le16(HT_OPERATION);
pht_info->header.len = sizeof(HTInfo_t);
memcpy(pmadapter, (t_u8 *) pht_info + sizeof(MrvlIEtypesHeader_t),
(t_u8 *) pbss_desc->pht_info + sizeof(IEEEtypes_Header_t),
pht_info->header.len);
if (!ISSUPP_CHANWIDTH40(pmadapter->hw_dot_11n_dev_cap) ||
!ISSUPP_CHANWIDTH40(pmadapter->usr_dot_11n_dev_cap)) {
RESET_CHANWIDTH40(pht_info->ht_info.field2);
}
*ppbuffer += sizeof(MrvlIETypes_HTInfo_t);
ret_len += sizeof(MrvlIETypes_HTInfo_t);
pht_info->header.len = wlan_cpu_to_le16(pht_info->header.len);
}
pchan_list = (MrvlIEtypes_ChanListParamSet_t *) * ppbuffer;
memset(pmadapter, pchan_list, 0,
sizeof(MrvlIEtypes_ChanListParamSet_t));
pchan_list->header.type = wlan_cpu_to_le16(TLV_TYPE_CHANLIST);
pchan_list->header.len = sizeof(MrvlIEtypes_ChanListParamSet_t) -
sizeof(MrvlIEtypesHeader_t);
pchan_list->chan_scan_param[0].chan_number =
pbss_desc->pht_info->ht_info.pri_chan;
pchan_list->chan_scan_param[0].radio_type =
wlan_band_to_radio_type((t_u8) pbss_desc->bss_band);
if ((ISSUPP_CHANWIDTH40(pmadapter->hw_dot_11n_dev_cap) &&
ISSUPP_CHANWIDTH40(pmadapter->usr_dot_11n_dev_cap)) &&
ISALLOWED_CHANWIDTH40(pbss_desc->pht_info->ht_info.field2))
SET_SECONDARYCHAN(pchan_list->chan_scan_param[0].radio_type,
GET_SECONDARYCHAN(pbss_desc->pht_info->ht_info.
field2));
HEXDUMP("ChanList", (t_u8 *) pchan_list,
sizeof(MrvlIEtypes_ChanListParamSet_t));
HEXDUMP("pht_info", (t_u8 *) pbss_desc->pht_info,
sizeof(MrvlIETypes_HTInfo_t) - 2);
*ppbuffer += sizeof(MrvlIEtypes_ChanListParamSet_t);
ret_len += sizeof(MrvlIEtypes_ChanListParamSet_t);
pchan_list->header.len = wlan_cpu_to_le16(pchan_list->header.len);
}
if (pbss_desc->pbss_co_2040) {
p2040_bss_co = (MrvlIETypes_2040BSSCo_t *) * ppbuffer;
memset(pmadapter, p2040_bss_co, 0, sizeof(MrvlIETypes_2040BSSCo_t));
p2040_bss_co->header.type = wlan_cpu_to_le16(BSSCO_2040);
p2040_bss_co->header.len = sizeof(BSSCo2040_t);
memcpy(pmadapter, (t_u8 *) p2040_bss_co + sizeof(MrvlIEtypesHeader_t),
(t_u8 *) pbss_desc->pbss_co_2040 + sizeof(IEEEtypes_Header_t),
p2040_bss_co->header.len);
HEXDUMP("20/40 BSS Coexistence IE", (t_u8 *) p2040_bss_co,
sizeof(MrvlIETypes_2040BSSCo_t));
*ppbuffer += sizeof(MrvlIETypes_2040BSSCo_t);
ret_len += sizeof(MrvlIETypes_2040BSSCo_t);
p2040_bss_co->header.len = wlan_cpu_to_le16(p2040_bss_co->header.len);
}
if (pbss_desc->pext_cap) {
pext_cap = (MrvlIETypes_ExtCap_t *) * ppbuffer;
memset(pmadapter, pext_cap, 0, sizeof(MrvlIETypes_ExtCap_t));
pext_cap->header.type = wlan_cpu_to_le16(EXT_CAPABILITY);
pext_cap->header.len = sizeof(ExtCap_t);
memcpy(pmadapter, (t_u8 *) pext_cap + sizeof(MrvlIEtypesHeader_t),
(t_u8 *) pbss_desc->pext_cap + sizeof(IEEEtypes_Header_t),
pext_cap->header.len);
HEXDUMP("Extended Capabilities IE", (t_u8 *) pext_cap,
sizeof(MrvlIETypes_ExtCap_t));
*ppbuffer += sizeof(MrvlIETypes_ExtCap_t);
ret_len += sizeof(MrvlIETypes_ExtCap_t);
pext_cap->header.len = wlan_cpu_to_le16(pext_cap->header.len);
}
LEAVE();
return ret_len;
}
