diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/net/wireless/mwifiex/11ac.c | |
parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) |
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/net/wireless/mwifiex/11ac.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/11ac.c | 382 |
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; -} |