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path: root/drivers/net/wireless/mwifiex/11ac.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/11ac.c')
-rw-r--r--drivers/net/wireless/mwifiex/11ac.c382
1 files changed, 0 insertions, 382 deletions
diff --git a/drivers/net/wireless/mwifiex/11ac.c b/drivers/net/wireless/mwifiex/11ac.c
deleted file mode 100644
index 59d23fb23..000000000
--- a/drivers/net/wireless/mwifiex/11ac.c
+++ /dev/null
@@ -1,382 +0,0 @@
-/*
- * Marvell Wireless LAN device driver: 802.11ac
- *
- * Copyright (C) 2013-2014, Marvell International Ltd.
- *
- * This software file (the "File") is distributed by Marvell International
- * Ltd. under the terms of the GNU General Public License Version 2, June 1991
- * (the "License"). You may use, redistribute and/or modify this File in
- * accordance with the terms and conditions of the License, a copy of which
- * is available by writing to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
- * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
- *
- * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
- * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
- * this warranty disclaimer.
- */
-
-#include "decl.h"
-#include "ioctl.h"
-#include "fw.h"
-#include "main.h"
-#include "11ac.h"
-
-/* Tables of the MCS map to the highest data rate (in Mbps) supported
- * for long GI.
- */
-static const u16 max_rate_lgi_80MHZ[8][3] = {
- {0x124, 0x15F, 0x186}, /* NSS = 1 */
- {0x249, 0x2BE, 0x30C}, /* NSS = 2 */
- {0x36D, 0x41D, 0x492}, /* NSS = 3 */
- {0x492, 0x57C, 0x618}, /* NSS = 4 */
- {0x5B6, 0x6DB, 0x79E}, /* NSS = 5 */
- {0x6DB, 0x83A, 0x0}, /* NSS = 6 */
- {0x7FF, 0x999, 0xAAA}, /* NSS = 7 */
- {0x924, 0xAF8, 0xC30} /* NSS = 8 */
-};
-
-static const u16 max_rate_lgi_160MHZ[8][3] = {
- {0x249, 0x2BE, 0x30C}, /* NSS = 1 */
- {0x492, 0x57C, 0x618}, /* NSS = 2 */
- {0x6DB, 0x83A, 0x0}, /* NSS = 3 */
- {0x924, 0xAF8, 0xC30}, /* NSS = 4 */
- {0xB6D, 0xDB6, 0xF3C}, /* NSS = 5 */
- {0xDB6, 0x1074, 0x1248}, /* NSS = 6 */
- {0xFFF, 0x1332, 0x1554}, /* NSS = 7 */
- {0x1248, 0x15F0, 0x1860} /* NSS = 8 */
-};
-
-/* This function converts the 2-bit MCS map to the highest long GI
- * VHT data rate.
- */
-static u16
-mwifiex_convert_mcsmap_to_maxrate(struct mwifiex_private *priv,
- u8 bands, u16 mcs_map)
-{
- u8 i, nss, mcs;
- u16 max_rate = 0;
- u32 usr_vht_cap_info = 0;
- struct mwifiex_adapter *adapter = priv->adapter;
-
- if (bands & BAND_AAC)
- usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_a;
- else
- usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_bg;
-
- /* find the max NSS supported */
- nss = 1;
- for (i = 1; i <= 8; i++) {
- mcs = GET_VHTNSSMCS(mcs_map, i);
- if (mcs < IEEE80211_VHT_MCS_NOT_SUPPORTED)
- nss = i;
- }
- mcs = GET_VHTNSSMCS(mcs_map, nss);
-
- /* if mcs is 3, nss must be 1 (NSS = 1). Default mcs to MCS 0~9 */
- if (mcs == IEEE80211_VHT_MCS_NOT_SUPPORTED)
- mcs = IEEE80211_VHT_MCS_SUPPORT_0_9;
-
- if (GET_VHTCAP_CHWDSET(usr_vht_cap_info)) {
- /* support 160 MHz */
- max_rate = max_rate_lgi_160MHZ[nss - 1][mcs];
- if (!max_rate)
- /* MCS9 is not supported in NSS6 */
- max_rate = max_rate_lgi_160MHZ[nss - 1][mcs - 1];
- } else {
- max_rate = max_rate_lgi_80MHZ[nss - 1][mcs];
- if (!max_rate)
- /* MCS9 is not supported in NSS3 */
- max_rate = max_rate_lgi_80MHZ[nss - 1][mcs - 1];
- }
-
- return max_rate;
-}
-
-static void
-mwifiex_fill_vht_cap_info(struct mwifiex_private *priv,
- struct ieee80211_vht_cap *vht_cap, u8 bands)
-{
- struct mwifiex_adapter *adapter = priv->adapter;
-
- if (bands & BAND_A)
- vht_cap->vht_cap_info =
- cpu_to_le32(adapter->usr_dot_11ac_dev_cap_a);
- else
- vht_cap->vht_cap_info =
- cpu_to_le32(adapter->usr_dot_11ac_dev_cap_bg);
-}
-
-void mwifiex_fill_vht_cap_tlv(struct mwifiex_private *priv,
- struct ieee80211_vht_cap *vht_cap, u8 bands)
-{
- struct mwifiex_adapter *adapter = priv->adapter;
- u16 mcs_map_user, mcs_map_resp, mcs_map_result;
- u16 mcs_user, mcs_resp, nss, tmp;
-
- /* Fill VHT cap info */
- mwifiex_fill_vht_cap_info(priv, vht_cap, bands);
-
- /* rx MCS Set: find the minimum of the user rx mcs and ap rx mcs */
- mcs_map_user = GET_DEVRXMCSMAP(adapter->usr_dot_11ac_mcs_support);
- mcs_map_resp = le16_to_cpu(vht_cap->supp_mcs.rx_mcs_map);
- mcs_map_result = 0;
-
- for (nss = 1; nss <= 8; nss++) {
- mcs_user = GET_VHTNSSMCS(mcs_map_user, nss);
- mcs_resp = GET_VHTNSSMCS(mcs_map_resp, nss);
-
- if ((mcs_user == IEEE80211_VHT_MCS_NOT_SUPPORTED) ||
- (mcs_resp == IEEE80211_VHT_MCS_NOT_SUPPORTED))
- SET_VHTNSSMCS(mcs_map_result, nss,
- IEEE80211_VHT_MCS_NOT_SUPPORTED);
- else
- SET_VHTNSSMCS(mcs_map_result, nss,
- min(mcs_user, mcs_resp));
- }
-
- vht_cap->supp_mcs.rx_mcs_map = cpu_to_le16(mcs_map_result);
-
- tmp = mwifiex_convert_mcsmap_to_maxrate(priv, bands, mcs_map_result);
- vht_cap->supp_mcs.rx_highest = cpu_to_le16(tmp);
-
- /* tx MCS Set: find the minimum of the user tx mcs and ap tx mcs */
- mcs_map_user = GET_DEVTXMCSMAP(adapter->usr_dot_11ac_mcs_support);
- mcs_map_resp = le16_to_cpu(vht_cap->supp_mcs.tx_mcs_map);
- mcs_map_result = 0;
-
- for (nss = 1; nss <= 8; nss++) {
- mcs_user = GET_VHTNSSMCS(mcs_map_user, nss);
- mcs_resp = GET_VHTNSSMCS(mcs_map_resp, nss);
- if ((mcs_user == IEEE80211_VHT_MCS_NOT_SUPPORTED) ||
- (mcs_resp == IEEE80211_VHT_MCS_NOT_SUPPORTED))
- SET_VHTNSSMCS(mcs_map_result, nss,
- IEEE80211_VHT_MCS_NOT_SUPPORTED);
- else
- SET_VHTNSSMCS(mcs_map_result, nss,
- min(mcs_user, mcs_resp));
- }
-
- vht_cap->supp_mcs.tx_mcs_map = cpu_to_le16(mcs_map_result);
-
- tmp = mwifiex_convert_mcsmap_to_maxrate(priv, bands, mcs_map_result);
- vht_cap->supp_mcs.tx_highest = cpu_to_le16(tmp);
-
- return;
-}
-
-int mwifiex_cmd_append_11ac_tlv(struct mwifiex_private *priv,
- struct mwifiex_bssdescriptor *bss_desc,
- u8 **buffer)
-{
- struct mwifiex_ie_types_vhtcap *vht_cap;
- struct mwifiex_ie_types_oper_mode_ntf *oper_ntf;
- struct ieee_types_oper_mode_ntf *ieee_oper_ntf;
- struct mwifiex_ie_types_vht_oper *vht_op;
- struct mwifiex_adapter *adapter = priv->adapter;
- u8 supp_chwd_set;
- u32 usr_vht_cap_info;
- int ret_len = 0;
-
- if (bss_desc->bss_band & BAND_A)
- usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_a;
- else
- usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_bg;
-
- /* VHT Capabilities IE */
- if (bss_desc->bcn_vht_cap) {
- vht_cap = (struct mwifiex_ie_types_vhtcap *)*buffer;
- memset(vht_cap, 0, sizeof(*vht_cap));
- vht_cap->header.type = cpu_to_le16(WLAN_EID_VHT_CAPABILITY);
- vht_cap->header.len =
- cpu_to_le16(sizeof(struct ieee80211_vht_cap));
- memcpy((u8 *)vht_cap + sizeof(struct mwifiex_ie_types_header),
- (u8 *)bss_desc->bcn_vht_cap,
- le16_to_cpu(vht_cap->header.len));
-
- mwifiex_fill_vht_cap_tlv(priv, &vht_cap->vht_cap,
- bss_desc->bss_band);
- *buffer += sizeof(*vht_cap);
- ret_len += sizeof(*vht_cap);
- }
-
- /* VHT Operation IE */
- if (bss_desc->bcn_vht_oper) {
- if (priv->bss_mode == NL80211_IFTYPE_STATION) {
- vht_op = (struct mwifiex_ie_types_vht_oper *)*buffer;
- memset(vht_op, 0, sizeof(*vht_op));
- vht_op->header.type =
- cpu_to_le16(WLAN_EID_VHT_OPERATION);
- vht_op->header.len = cpu_to_le16(sizeof(*vht_op) -
- sizeof(struct mwifiex_ie_types_header));
- memcpy((u8 *)vht_op +
- sizeof(struct mwifiex_ie_types_header),
- (u8 *)bss_desc->bcn_vht_oper,
- le16_to_cpu(vht_op->header.len));
-
- /* negotiate the channel width and central freq
- * and keep the central freq as the peer suggests
- */
- supp_chwd_set = GET_VHTCAP_CHWDSET(usr_vht_cap_info);
-
- switch (supp_chwd_set) {
- case 0:
- vht_op->chan_width =
- min_t(u8, IEEE80211_VHT_CHANWIDTH_80MHZ,
- bss_desc->bcn_vht_oper->chan_width);
- break;
- case 1:
- vht_op->chan_width =
- min_t(u8, IEEE80211_VHT_CHANWIDTH_160MHZ,
- bss_desc->bcn_vht_oper->chan_width);
- break;
- case 2:
- vht_op->chan_width =
- min_t(u8, IEEE80211_VHT_CHANWIDTH_80P80MHZ,
- bss_desc->bcn_vht_oper->chan_width);
- break;
- default:
- vht_op->chan_width =
- IEEE80211_VHT_CHANWIDTH_USE_HT;
- break;
- }
-
- *buffer += sizeof(*vht_op);
- ret_len += sizeof(*vht_op);
- }
- }
-
- /* Operating Mode Notification IE */
- if (bss_desc->oper_mode) {
- ieee_oper_ntf = bss_desc->oper_mode;
- oper_ntf = (void *)*buffer;
- memset(oper_ntf, 0, sizeof(*oper_ntf));
- oper_ntf->header.type = cpu_to_le16(WLAN_EID_OPMODE_NOTIF);
- oper_ntf->header.len = cpu_to_le16(sizeof(u8));
- oper_ntf->oper_mode = ieee_oper_ntf->oper_mode;
- *buffer += sizeof(*oper_ntf);
- ret_len += sizeof(*oper_ntf);
- }
-
- return ret_len;
-}
-
-int mwifiex_cmd_11ac_cfg(struct mwifiex_private *priv,
- struct host_cmd_ds_command *cmd, u16 cmd_action,
- struct mwifiex_11ac_vht_cfg *cfg)
-{
- struct host_cmd_11ac_vht_cfg *vhtcfg = &cmd->params.vht_cfg;
-
- cmd->command = cpu_to_le16(HostCmd_CMD_11AC_CFG);
- cmd->size = cpu_to_le16(sizeof(struct host_cmd_11ac_vht_cfg) +
- S_DS_GEN);
- vhtcfg->action = cpu_to_le16(cmd_action);
- vhtcfg->band_config = cfg->band_config;
- vhtcfg->misc_config = cfg->misc_config;
- vhtcfg->cap_info = cpu_to_le32(cfg->cap_info);
- vhtcfg->mcs_tx_set = cpu_to_le32(cfg->mcs_tx_set);
- vhtcfg->mcs_rx_set = cpu_to_le32(cfg->mcs_rx_set);
-
- return 0;
-}
-
-/* This function initializes the BlockACK setup information for given
- * mwifiex_private structure for 11ac enabled networks.
- */
-void mwifiex_set_11ac_ba_params(struct mwifiex_private *priv)
-{
- priv->add_ba_param.timeout = MWIFIEX_DEFAULT_BLOCK_ACK_TIMEOUT;
-
- if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
- priv->add_ba_param.tx_win_size =
- MWIFIEX_11AC_UAP_AMPDU_DEF_TXWINSIZE;
- priv->add_ba_param.rx_win_size =
- MWIFIEX_11AC_UAP_AMPDU_DEF_RXWINSIZE;
- } else {
- priv->add_ba_param.tx_win_size =
- MWIFIEX_11AC_STA_AMPDU_DEF_TXWINSIZE;
- priv->add_ba_param.rx_win_size =
- MWIFIEX_11AC_STA_AMPDU_DEF_RXWINSIZE;
- }
-
- return;
-}
-
-bool mwifiex_is_bss_in_11ac_mode(struct mwifiex_private *priv)
-{
- struct mwifiex_bssdescriptor *bss_desc;
- struct ieee80211_vht_operation *vht_oper;
-
- bss_desc = &priv->curr_bss_params.bss_descriptor;
- vht_oper = bss_desc->bcn_vht_oper;
-
- if (!bss_desc->bcn_vht_cap || !vht_oper)
- return false;
-
- if (vht_oper->chan_width == IEEE80211_VHT_CHANWIDTH_USE_HT)
- return false;
-
- return true;
-}
-
-u8 mwifiex_get_center_freq_index(struct mwifiex_private *priv, u8 band,
- u32 pri_chan, u8 chan_bw)
-{
- u8 center_freq_idx = 0;
-
- if (band & BAND_AAC) {
- switch (pri_chan) {
- case 36:
- case 40:
- case 44:
- case 48:
- if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
- center_freq_idx = 42;
- break;
- case 52:
- case 56:
- case 60:
- case 64:
- if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
- center_freq_idx = 58;
- else if (chan_bw == IEEE80211_VHT_CHANWIDTH_160MHZ)
- center_freq_idx = 50;
- break;
- case 100:
- case 104:
- case 108:
- case 112:
- if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
- center_freq_idx = 106;
- break;
- case 116:
- case 120:
- case 124:
- case 128:
- if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
- center_freq_idx = 122;
- else if (chan_bw == IEEE80211_VHT_CHANWIDTH_160MHZ)
- center_freq_idx = 114;
- break;
- case 132:
- case 136:
- case 140:
- case 144:
- if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
- center_freq_idx = 138;
- break;
- case 149:
- case 153:
- case 157:
- case 161:
- if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
- center_freq_idx = 155;
- break;
- default:
- center_freq_idx = 42;
- }
- }
-
- return center_freq_idx;
-}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-06 15:00:53 +0000