/****************************************************************************** * * Copyright(c) 2019 Realtek Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * *****************************************************************************/ #define _PHL_CHAN_C_ #include "phl_headers.h" const char *const _band_str[] = { "BAND_ON_24G", "BAND_ON_5G", "BAND_ON_6G", "BAND_UNKNOWN" }; #define _get_band_str(band) (((band) >= BAND_MAX) ? _band_str[BAND_MAX] : _band_str[(band)]) const char *const _bw_str[] = { "BW_20M", "BW_40M", "BW_80M", "BW_160M", "BW_80_80M", "BW_5M", "BW_10M", "BW_UNKNOWN" }; #define _get_bw_str(bw) (((bw) >= CHANNEL_WIDTH_MAX) ? _bw_str[CHANNEL_WIDTH_MAX] : _bw_str[((bw))]) #ifdef DBG_PHL_CHAN void phl_chan_dump_chandef(const char *caller, const int line, bool show_caller, struct rtw_chan_def *chandef) { if (show_caller) PHL_INFO("###### FUN - %s LINE - %d #######\n", caller, line); PHL_INFO("\t[CH] band:%s\n", _get_band_str(chandef->band)); PHL_INFO("\t[CH] chan:%d\n", chandef->chan); PHL_INFO("\t[CH] center_ch:%d\n", chandef->center_ch); PHL_INFO("\t[CH] bw:%s\n", _get_bw_str(chandef->bw)); PHL_INFO("\t[CH] offset:%d\n", chandef->offset); PHL_INFO("\t[CH] center_freq1:%d\n", chandef->center_freq1); PHL_INFO("\t[CH] center_freq2:%d\n", chandef->center_freq2); PHL_INFO("\t[CH] hw_value:%d\n", chandef->hw_value); if (show_caller) PHL_INFO("#################################\n"); } #endif #ifdef CONFIG_PHL_DFS static enum rtw_phl_status phl_radar_detect_hdl(struct phl_info_t *phl_info, u8 channel, enum channel_width bwmode, enum chan_offset offset) { struct rtw_phl_com_t *phl_com = phl_info->phl_com; struct rtw_dfs_t *dfs_info = &phl_com->dfs_info; enum rtw_phl_status rst = RTW_PHL_STATUS_FAILURE; bool overlap_radar_range; overlap_radar_range = rtw_hal_in_radar_domain(phl_info->hal, channel, bwmode); if (overlap_radar_range) PHL_INFO("chan in DFS domain ch:%d,bw:%d\n", channel, bwmode); if (overlap_radar_range && !dfs_info->dfs_enabled) { /*radar_detect_enable*/ if (rtw_hal_radar_detect_cfg(phl_info->hal, true) == RTW_HAL_STATUS_SUCCESS) { dfs_info->dfs_enabled = true; PHL_INFO("[DFS] chan(%d) in radar range, enable dfs\n", channel); rst = RTW_PHL_STATUS_SUCCESS; } else { PHL_ERR("[DFS] chan(%d) in radar range, enable dfs failed\n", channel); } } else if (!overlap_radar_range && dfs_info->dfs_enabled) { /*radar_detect_disable*/ if (rtw_hal_radar_detect_cfg(phl_info->hal, false) == RTW_HAL_STATUS_SUCCESS) { dfs_info->dfs_enabled = false; PHL_INFO("[DFS] chan(%d) not in radar range, disable dfs\n", channel); rst = RTW_PHL_STATUS_SUCCESS; } else { PHL_ERR("[DFS] chan(%d) not in radar range, disable dfs failed\n", channel); } } return rst; } #endif /*CONFIG_PHL_DFS*/ enum rtw_phl_status phl_set_ch_bw(struct rtw_wifi_role_t *wifi_role, struct rtw_chan_def *chdef, bool do_rfk) { struct phl_info_t *phl_info = wifi_role->phl_com->phl_priv; enum rtw_hal_status hstatus = RTW_HAL_STATUS_FAILURE; chdef->band = rtw_phl_get_band_type(chdef->chan); #ifdef CONFIG_PHL_DFS phl_radar_detect_hdl(phl_info, chdef->chan, chdef->bw, chdef->offset); #endif hstatus = rtw_hal_set_ch_bw(phl_info->hal, wifi_role->hw_band, chdef, do_rfk); if (RTW_HAL_STATUS_SUCCESS != hstatus) PHL_ERR("%s rtw_hal_set_ch_bw: statuts = %u\n", __func__, hstatus); return RTW_PHL_STATUS_SUCCESS; } #ifdef CONFIG_CMD_DISP struct setch_param { struct rtw_wifi_role_t *wrole; struct rtw_chan_def chdef; bool do_rfk; }; static void _phl_chg_op_chdef_done(void *drv_priv, u8 *cmd, u32 cmd_len, enum rtw_phl_status status) { if (cmd) { struct chg_opch_param *param = (struct chg_opch_param *)cmd; if (param->chg_opch_done) { enum rtw_phl_status psts = RTW_PHL_STATUS_FAILURE; if (RTW_PHL_STATUS_CMD_SUCCESS == status && RTW_PHL_STATUS_CMD_SUCCESS == param->cmd_start_sts) psts = RTW_PHL_STATUS_SUCCESS; param->chg_opch_done(drv_priv, param->wrole->id, psts); } _os_kmem_free(drv_priv, cmd, cmd_len); cmd = NULL; PHL_INFO("%s.....\n", __func__); } } static void _phl_chg_op_chdef_start_done(void *drv_priv, u8 *cmd, u32 cmd_len, enum rtw_phl_status status) { if (cmd) { struct chg_opch_param *param = (struct chg_opch_param *)cmd; param->cmd_start_sts = status; PHL_INFO("%s.....\n", __func__); } } enum rtw_phl_status phl_cmd_chg_op_chdef_start_hdl(struct phl_info_t *phl, u8 *param) { enum rtw_phl_status pstatus = RTW_PHL_STATUS_FAILURE; struct chg_opch_param *ch_param = (struct chg_opch_param *)param; void *drv = phl_to_drvpriv(phl); enum phl_upd_mode mode = PHL_UPD_STA_INFO_CHANGE; struct phl_queue *sta_queue = NULL; struct rtw_phl_stainfo_t *sta = NULL; struct rtw_chan_def chctx_result = {0}; sta = rtw_phl_get_stainfo_self(phl, ch_param->wrole); if (NULL == sta) { PHL_TRACE(COMP_PHL_DBG, _PHL_ERR_, "%s: cannot get stainfo_self\n", __FUNCTION__); goto exit; } /* Update MR chctx */ if (RTW_PHL_STATUS_SUCCESS != phl_mr_chandef_chg(phl, ch_param->wrole, &ch_param->new_chdef, &chctx_result)) { PHL_TRACE(COMP_PHL_DBG, _PHL_ERR_, "%s: MR chang chdef failed!\n", __FUNCTION__); goto exit; } /* Up Role chdef */ _os_mem_cpy(drv, &ch_param->wrole->chandef, &ch_param->new_chdef, sizeof(struct rtw_chan_def)); /* Update self Sta chdef */ _os_mem_cpy(drv, &sta->chandef, &ch_param->new_chdef, sizeof(struct rtw_chan_def)); /* Notify rf for the suspended channel */ rtw_hal_disconnect_notify(phl->hal, &ch_param->ori_chdef); /* Switch channel */ if (RTW_PHL_STATUS_SUCCESS != phl_set_ch_bw(ch_param->wrole, &chctx_result, true)) { PHL_TRACE(COMP_PHL_DBG, _PHL_ERR_, "%s: Switch ch failed!\n", __FUNCTION__); goto exit; } if (ch_param->wrole->mstate == MLME_LINKED) { /*Up STA setting(RA....) */ sta_queue = &ch_param->wrole->assoc_sta_queue; _os_spinlock(drv, &sta_queue->lock, _bh, NULL); phl_list_for_loop(sta, struct rtw_phl_stainfo_t, &sta_queue->queue, list) { if (sta) phl_change_stainfo(phl, sta, mode); } _os_spinunlock(drv, &sta_queue->lock, _bh, NULL); } pstatus = RTW_PHL_STATUS_SUCCESS; exit: PHL_TRACE(COMP_PHL_DBG, _PHL_INFO_, "%s: pstatus(%d)\n", __FUNCTION__, pstatus); return pstatus; } enum rtw_phl_status rtw_phl_cmd_chg_op_chdef(struct rtw_wifi_role_t *wrole, struct rtw_chan_def *new_chdef, bool cmd_wait, u32 cmd_timeout, void (*chg_opch_done)(void *priv, u8 ridx, enum rtw_phl_status status)) { enum rtw_phl_status psts = RTW_PHL_STATUS_FAILURE; struct phl_info_t *phl = wrole->phl_com->phl_priv; void *drv = phl_to_drvpriv(phl); u32 param_len = sizeof(struct chg_opch_param); struct chg_opch_param *param = _os_kmem_alloc(drv, param_len); if (param == NULL) { PHL_ERR("%s: alloc param failed!\n", __func__); goto _exit; } param->wrole = wrole; _os_mem_cpy(drv, ¶m->new_chdef, new_chdef, sizeof(struct rtw_chan_def)); _os_mem_cpy(drv, ¶m->ori_chdef, &wrole->chandef, sizeof(struct rtw_chan_def)); param->chg_opch_done = chg_opch_done; psts = phl_cmd_enqueue(phl, wrole->hw_band, MSG_EVT_CHG_OP_CH_DEF_START, (u8 *)param, param_len, _phl_chg_op_chdef_start_done, PHL_CMD_NO_WAIT, 0); if (psts != RTW_PHL_STATUS_SUCCESS) { PHL_INFO("%s: Fail to issue change op chdef start!!\n", __func__); if (!is_cmd_failure(psts)) { /* Send cmd fail */ _os_kmem_free(drv, param, param_len); psts = RTW_PHL_STATUS_FAILURE; } goto _exit; } psts = phl_cmd_enqueue(phl, wrole->hw_band, MSG_EVT_CHG_OP_CH_DEF_END, (u8 *)param, param_len, _phl_chg_op_chdef_done, cmd_wait ? PHL_CMD_WAIT : PHL_CMD_NO_WAIT, cmd_timeout); if (psts != RTW_PHL_STATUS_SUCCESS) { PHL_INFO("%s: Fail to issue change op chdef start!!\n", __func__); if (!is_cmd_failure(psts)) { /* Send cmd fail */ _os_kmem_free(drv, param, param_len); psts = RTW_PHL_STATUS_FAILURE; } goto _exit; } _exit: PHL_INFO("%s: Issue cmd, status(%d)\n", __func__, psts); return psts; } enum rtw_phl_status phl_cmd_set_ch_bw_hdl(struct phl_info_t *phl_info, u8 *param) { struct setch_param *ch_param = (struct setch_param *)param; return phl_set_ch_bw(ch_param->wrole, &(ch_param->chdef), ch_param->do_rfk); } static void _phl_set_ch_bw_done(void *drv_priv, u8 *cmd, u32 cmd_len, enum rtw_phl_status status) { if (cmd) { _os_kmem_free(drv_priv, cmd, cmd_len); cmd = NULL; PHL_INFO("%s.....\n", __func__); } } enum rtw_phl_status rtw_phl_cmd_set_ch_bw(struct rtw_wifi_role_t *wifi_role, struct rtw_chan_def *chdef, bool do_rfk, enum phl_cmd_type cmd_type, u32 cmd_timeout) { struct phl_info_t *phl_info = wifi_role->phl_com->phl_priv; void *drv = wifi_role->phl_com->drv_priv; enum rtw_phl_status psts = RTW_PHL_STATUS_FAILURE; struct setch_param *param = NULL; u32 param_len; if (cmd_type == PHL_CMD_DIRECTLY) { psts = phl_set_ch_bw(wifi_role, chdef, do_rfk); goto _exit; } param_len = sizeof(struct setch_param); param = _os_kmem_alloc(drv, param_len); if (param == NULL) { PHL_ERR("%s: alloc param failed!\n", __func__); goto _exit; } param->wrole = wifi_role; _os_mem_cpy(drv, ¶m->chdef, chdef, sizeof(struct rtw_chan_def)); param->do_rfk = do_rfk; psts = phl_cmd_enqueue(phl_info, wifi_role->hw_band, MSG_EVT_SWCH_START, (u8 *)param, param_len, _phl_set_ch_bw_done, cmd_type, cmd_timeout); if (is_cmd_failure(psts)) { /* Send cmd success, but wait cmd fail*/ psts = RTW_PHL_STATUS_FAILURE; } else if (psts != RTW_PHL_STATUS_SUCCESS) { /* Send cmd fail */ _os_kmem_free(drv, param, param_len); psts = RTW_PHL_STATUS_FAILURE; } _exit: return psts; } #endif /*CONFIG_CMD_DISP*/ u8 rtw_phl_get_cur_ch(struct rtw_wifi_role_t *wifi_role) { struct phl_info_t *phl_info = wifi_role->phl_com->phl_priv; return rtw_hal_get_cur_ch(phl_info->hal, wifi_role->hw_band); } enum rtw_phl_status rtw_phl_get_cur_hal_chdef(struct rtw_wifi_role_t *wifi_role, struct rtw_chan_def *cur_chandef) { struct phl_info_t *phl_info = wifi_role->phl_com->phl_priv; rtw_hal_get_cur_chdef(phl_info->hal, wifi_role->hw_band, cur_chandef); return RTW_PHL_STATUS_SUCCESS; } static enum rtw_phl_status _dfs_hw_tx_pause(struct rtw_wifi_role_t *wifi_role, bool tx_pause) { struct phl_info_t *phl_info = wifi_role->phl_com->phl_priv; enum rtw_hal_status hstatus = RTW_HAL_STATUS_FAILURE; hstatus = rtw_hal_dfs_pause_tx(phl_info->hal, wifi_role->hw_band, tx_pause); if (RTW_HAL_STATUS_SUCCESS == hstatus) { return RTW_PHL_STATUS_SUCCESS; } else { PHL_ERR("%s Failure :%u\n",__func__, hstatus); return RTW_PHL_STATUS_FAILURE; } } #ifdef CONFIG_CMD_DISP struct dfs_txpause_param { struct rtw_wifi_role_t *wrole; bool pause; }; enum rtw_phl_status phl_cmd_dfs_tx_pause_hdl(struct phl_info_t *phl_info, u8 *param) { struct dfs_txpause_param *dfs = (struct dfs_txpause_param *)param; PHL_INFO("%s(), dfs param, wrole = %p, pause = %d\n", __func__, dfs->wrole, dfs->pause); return _dfs_hw_tx_pause(dfs->wrole, dfs->pause); } static void _phl_dfs_tx_pause_done(void *drv_priv, u8 *cmd, u32 cmd_len, enum rtw_phl_status status) { if (cmd) { _os_kmem_free(drv_priv, cmd, cmd_len); cmd = NULL; PHL_INFO("%s.....\n", __func__); } } #endif /*CONFIG_CMD_DISP*/ enum rtw_phl_status rtw_phl_cmd_dfs_tx_pause(struct rtw_wifi_role_t *wifi_role, bool pause, enum phl_cmd_type cmd_type, u32 cmd_timeout) { #ifdef CONFIG_CMD_DISP struct phl_info_t *phl_info = wifi_role->phl_com->phl_priv; void *drv = wifi_role->phl_com->drv_priv; enum rtw_phl_status psts = RTW_PHL_STATUS_FAILURE; struct dfs_txpause_param *param = NULL; u32 param_len; param_len = sizeof(struct dfs_txpause_param); param = _os_kmem_alloc(drv, param_len); if (param == NULL) { PHL_ERR("%s: alloc param failed!\n", __func__); goto _exit; } param->wrole = wifi_role; param->pause = pause; psts = phl_cmd_enqueue(phl_info, wifi_role->hw_band, MSG_EVT_DFS_PAUSE_TX, (u8 *)param, param_len, _phl_dfs_tx_pause_done, cmd_type, cmd_timeout); if (is_cmd_failure(psts)) { /* Send cmd success, but wait cmd fail*/ psts = RTW_PHL_STATUS_FAILURE; } else if (psts != RTW_PHL_STATUS_SUCCESS) { /* Send cmd fail */ _os_kmem_free(drv, param, param_len); psts = RTW_PHL_STATUS_FAILURE; } _exit: return psts; #else PHL_ERR("%s(), CONFIG_CMD_DISP need to be enabled for MSG_EVT_DFS_PAUSE_TX \n",__func__); return RTW_PHL_STATUS_FAILURE; #endif } #ifdef CONFIG_DBCC_SUPPORT enum rtw_phl_status rtw_phl_dbcc_test(void *phl, enum dbcc_test_id id, void *param) { struct phl_info_t *phl_info = (struct phl_info_t *)phl; enum rtw_hal_status hsts = RTW_HAL_STATUS_FAILURE; switch (id){ case DBCC_PRE_CFG : { bool dbcc_en = *(bool *)param; PHL_INFO("[DBCC] PRE_CFG :%s\n", (dbcc_en) ? "EN" : "DIS"); hsts = rtw_hal_dbcc_pre_cfg(phl_info->hal, phl_info->phl_com, dbcc_en); } break; case DBCC_CFG : { bool dbcc_en = *(bool *)param; PHL_INFO("[DBCC] CFG :%s\n", (dbcc_en) ? "EN" : "DIS"); hsts = rtw_hal_dbcc_cfg(phl_info->hal, phl_info->phl_com, dbcc_en); } break; case DBCC_CLEAN_TXQ : hsts = rtw_hal_clean_tx_queue(phl_info->hal); break; default : PHL_ERR("%s unknown DBCC Test ID:%d\n",__func__, id); break; } return RTW_PHL_STATUS_SUCCESS; } #endif #define MAX_CHANCTX_QUEUE_NUM 2 static enum rtw_phl_status _phl_chanctx_add(struct phl_info_t *phl_info, struct phl_queue *chan_ctx_queue, struct rtw_chan_ctx *chanctx) { if (!chanctx) return RTW_PHL_STATUS_FAILURE; list_add_tail(&chanctx->list, &chan_ctx_queue->queue); chan_ctx_queue->cnt++; if (chan_ctx_queue->cnt > MAX_CHANCTX_QUEUE_NUM) { PHL_ERR("%s chan_ctx_queue cnt(%d) > 2\n", __func__, chan_ctx_queue->cnt); _os_warn_on(1); } return RTW_PHL_STATUS_SUCCESS; } static enum rtw_phl_status _phl_chanctx_add_with_lock(struct phl_info_t *phl_info, struct phl_queue *chan_ctx_queue, struct rtw_chan_ctx *chanctx) { void *drv = phl_to_drvpriv(phl_info); if (!chanctx) return RTW_PHL_STATUS_FAILURE; _os_spinlock(drv, &chan_ctx_queue->lock, _ps, NULL); _phl_chanctx_add(phl_info, chan_ctx_queue, chanctx); _os_spinunlock(drv, &chan_ctx_queue->lock, _ps, NULL); return RTW_PHL_STATUS_SUCCESS; } static enum rtw_phl_status _phl_chanctx_del(struct phl_info_t *phl_info, struct phl_queue *chan_ctx_queue, struct rtw_chan_ctx *chanctx) { if (!chanctx) return RTW_PHL_STATUS_FAILURE; /*if (!list_empty(&chan_ctx_queue->queue)) {*/ if (chan_ctx_queue->cnt) { list_del(&chanctx->list); chan_ctx_queue->cnt--; if (chan_ctx_queue->cnt < 0) { PHL_ERR("%s chan_ctx_queue cnt(%d) < 0\n", __func__, chan_ctx_queue->cnt); _os_warn_on(1); } } return RTW_PHL_STATUS_SUCCESS; } static enum rtw_phl_status _phl_chanctx_del_with_lock(struct phl_info_t *phl_info, struct phl_queue *chan_ctx_queue, struct rtw_chan_ctx *chanctx) { void *drv = phl_to_drvpriv(phl_info); if (!chanctx) return RTW_PHL_STATUS_FAILURE; _os_spinlock(drv, &chan_ctx_queue->lock, _ps, NULL); _phl_chanctx_del(phl_info, chan_ctx_queue, chanctx); _os_spinunlock(drv, &chan_ctx_queue->lock, _ps, NULL); return RTW_PHL_STATUS_SUCCESS; } static inline enum rtw_phl_status _phl_chanctx_rmap_set(struct phl_info_t *phl_info, struct rtw_wifi_role_t *wifi_role, struct phl_queue *chan_ctx_queue, struct rtw_chan_ctx *chanctx) { u8 ridx = wifi_role->id; if (!chanctx) return RTW_PHL_STATUS_FAILURE; #ifdef DBG_CHCTX_RMAP if (chanctx->role_map & BIT(ridx)) PHL_ERR("wifi_role idx(%d) has in chanctx->role_map(0x%02x)\n", ridx, chanctx->role_map); #endif chanctx->role_map |= BIT(ridx); wifi_role->chanctx = chanctx; return RTW_PHL_STATUS_SUCCESS; } static enum rtw_phl_status _phl_chanctx_rmap_set_with_lock(struct phl_info_t *phl_info, struct rtw_wifi_role_t *wifi_role, struct phl_queue *chan_ctx_queue, struct rtw_chan_ctx *chanctx) { void *drv = phl_to_drvpriv(phl_info); if (!chanctx) return RTW_PHL_STATUS_FAILURE; _os_spinlock(drv, &chan_ctx_queue->lock, _ps, NULL); _phl_chanctx_rmap_set(phl_info, wifi_role, chan_ctx_queue, chanctx); _os_spinunlock(drv, &chan_ctx_queue->lock, _ps, NULL); return RTW_PHL_STATUS_SUCCESS; } static inline enum rtw_phl_status _phl_chanctx_rmap_clr(struct phl_info_t *phl_info, struct rtw_wifi_role_t *wifi_role, struct phl_queue *chan_ctx_queue, struct rtw_chan_ctx *chanctx) { u8 ridx = wifi_role->id; if (!chanctx) return RTW_PHL_STATUS_FAILURE; #ifdef DBG_CHCTX_RMAP if (!(chanctx->role_map & BIT(ridx))) PHL_ERR("ridx(%d) hasn't in chanctx->role_map(0x%02x)\n", ridx, chanctx->role_map); #endif wifi_role->chanctx = NULL; chanctx->role_map &= ~BIT(ridx); return RTW_PHL_STATUS_SUCCESS; } static enum rtw_phl_status _phl_chanctx_rmap_clr_with_lock(struct phl_info_t *phl_info, struct rtw_wifi_role_t *wifi_role, struct phl_queue *chan_ctx_queue, struct rtw_chan_ctx *chanctx) { void *drv = phl_to_drvpriv(phl_info); if (!chanctx) return RTW_PHL_STATUS_FAILURE; _os_spinlock(drv, &chan_ctx_queue->lock, _ps, NULL); _phl_chanctx_rmap_clr(phl_info, wifi_role, chan_ctx_queue, chanctx); _os_spinunlock(drv, &chan_ctx_queue->lock, _ps, NULL); return RTW_PHL_STATUS_SUCCESS; } u8 phl_chanctx_get_rnum(struct phl_info_t *phl_info, struct phl_queue *chan_ctx_queue, struct rtw_chan_ctx *chanctx) { u8 i; u8 role_num = 0; for (i = 0; i < MAX_WIFI_ROLE_NUMBER; i++) if (chanctx->role_map & BIT(i)) role_num++; return role_num; } u8 phl_chanctx_get_rnum_with_lock(struct phl_info_t *phl_info, struct phl_queue *chan_ctx_queue, struct rtw_chan_ctx *chanctx) { void *drv = phl_to_drvpriv(phl_info); u8 role_num = 0; if (!chanctx) return role_num; _os_spinlock(drv, &chan_ctx_queue->lock, _ps, NULL); role_num = phl_chanctx_get_rnum(phl_info, chan_ctx_queue, chanctx); _os_spinunlock(drv, &chan_ctx_queue->lock, _ps, NULL); return role_num; } /** * _phl_is_chbw_grouped - test if the two ch settings can be grouped together * @ch_a: ch of set a * @bw_a: bw of set a * @offset_a: offset of set a * @ch_b: ch of set b * @bw_b: bw of set b * @offset_b: offset of set b */ static bool _phl_is_chbw_grouped(u8 ch_a, enum channel_width bw_a, enum chan_offset offset_a , u8 ch_b, enum channel_width bw_b, enum chan_offset offset_b) { bool is_grouped = false; if (ch_a != ch_b) { /* ch is different */ goto exit; } else if ((bw_a == CHANNEL_WIDTH_40 || bw_a == CHANNEL_WIDTH_80) && (bw_b == CHANNEL_WIDTH_40 || bw_b == CHANNEL_WIDTH_80) ) { if (offset_a != offset_b) goto exit; } is_grouped = true; exit: return is_grouped; } static inline bool _phl_feature_check(struct rtw_phl_com_t *phl_com, u8 flg) { return (phl_com->dev_cap.hw_sup_flags & flg) ? true : false; } static u8 _phl_get_offset_by_chbw(u8 ch, enum channel_width bw, enum chan_offset *r_offset) { u8 valid = 1; enum chan_offset offset = CHAN_OFFSET_NO_EXT; if (bw == CHANNEL_WIDTH_20) goto exit; if (bw >= CHANNEL_WIDTH_80 && ch <= 14) { valid = 0; goto exit; } if (ch >= 1 && ch <= 4) offset = CHAN_OFFSET_UPPER; else if (ch >= 5 && ch <= 9) { if (*r_offset == CHAN_OFFSET_UPPER || *r_offset == CHAN_OFFSET_LOWER) offset = *r_offset; /* both lower and upper is valid, obey input value */ else offset = CHAN_OFFSET_LOWER; /* default use upper */ } else if (ch >= 10 && ch <= 13) offset = CHAN_OFFSET_LOWER; else if (ch == 14) { valid = 0; /* ch14 doesn't support 40MHz bandwidth */ goto exit; } else if (ch >= 36 && ch <= 177) { switch (ch) { case 36: case 44: case 52: case 60: case 100: case 108: case 116: case 124: case 132: case 140: case 149: case 157: case 165: case 173: offset = CHAN_OFFSET_UPPER; break; case 40: case 48: case 56: case 64: case 104: case 112: case 120: case 128: case 136: case 144: case 153: case 161: case 169: case 177: offset = CHAN_OFFSET_LOWER; break; default: valid = 0; break; } } else valid = 0; exit: if (valid && r_offset) *r_offset = offset; return valid; } /** * _phl_adjust_chandef - obey g_ch, adjust g_bw, g_offset, bw, offset * @req_ch: pointer of the request ch, may be modified further * @req_bw: pointer of the request bw, may be modified further * @req_offset: pointer of the request offset, may be modified further * @g_ch: pointer of the ongoing group ch * @g_bw: pointer of the ongoing group bw, may be modified further * @g_offset: pointer of the ongoing group offset, may be modified further */ static void _phl_adjust_chandef(u8 *req_ch, enum channel_width *req_bw, enum chan_offset *req_offset, u8 *g_ch, enum channel_width *g_bw, enum chan_offset *g_offset) { *req_ch = *g_ch; if (*req_bw == CHANNEL_WIDTH_80 && *g_ch <= 14) { /*2.4G ch, downgrade to 40Mhz */ *req_bw = CHANNEL_WIDTH_40; } switch (*req_bw) { case CHANNEL_WIDTH_80: if (*g_bw == CHANNEL_WIDTH_40 || *g_bw == CHANNEL_WIDTH_80) *req_offset = *g_offset; else if (*g_bw == CHANNEL_WIDTH_20) _phl_get_offset_by_chbw(*req_ch, *req_bw, req_offset); if (*req_offset == CHAN_OFFSET_NO_EXT) { PHL_ERR("%s req 80MHz BW without offset, down to 20MHz\n", __func__); _os_warn_on(1); *req_bw = CHANNEL_WIDTH_20; } break; case CHANNEL_WIDTH_40: if (*g_bw == CHANNEL_WIDTH_40 || *g_bw == CHANNEL_WIDTH_80) *req_offset = *g_offset; else if (*g_bw == CHANNEL_WIDTH_20) _phl_get_offset_by_chbw(*req_ch, *req_bw, req_offset); if (*req_offset == CHAN_OFFSET_NO_EXT) { PHL_ERR("%s req 40MHz BW without offset, down to 20MHz\n", __func__); _os_warn_on(1); *req_bw = CHANNEL_WIDTH_20; } break; case CHANNEL_WIDTH_20: *req_offset = CHAN_OFFSET_NO_EXT; break; default: PHL_ERR("%s req unsupported BW:%u\n", __func__, *req_bw); _os_warn_on(1); } if (*req_bw > *g_bw) { *g_bw = *req_bw; *g_offset = *req_offset; } } static enum rtw_phl_status _phl_chanctx_create(struct phl_info_t *phl_info, struct rtw_wifi_role_t *wifi_role, enum band_type band, u8 chan, enum channel_width bw, enum chan_offset offset) { enum rtw_phl_status phl_sts = RTW_PHL_STATUS_FAILURE; void *drv = phl_to_drvpriv(phl_info); struct rtw_chan_ctx *chanctx = NULL; struct mr_ctl_t *mr_ctl = phlcom_to_mr_ctrl(phl_info->phl_com); struct hw_band_ctl_t *band_ctrl = &(mr_ctl->band_ctrl[wifi_role->hw_band]); chanctx = _os_kmem_alloc(drv, sizeof(struct rtw_chan_ctx)); if (chanctx == NULL) { PHL_ERR("alloc chanctx failed\n"); goto _exit; } chanctx->chan_def.band = band; chanctx->chan_def.chan = chan; chanctx->chan_def.bw = bw; chanctx->chan_def.offset = offset; chanctx->chan_def.center_ch = rtw_phl_get_center_ch(chan, bw, offset); phl_sts = _phl_chanctx_add_with_lock(phl_info, &band_ctrl->chan_ctx_queue, chanctx); if (phl_sts == RTW_PHL_STATUS_SUCCESS) _phl_chanctx_rmap_set_with_lock(phl_info, wifi_role, &band_ctrl->chan_ctx_queue, chanctx); _exit: return phl_sts; } bool phl_chanctx_add(struct phl_info_t *phl_info, struct rtw_wifi_role_t *wifi_role, u8 *chan, enum channel_width *bw, enum chan_offset *offset) { struct rtw_phl_com_t *phl_com = phl_info->phl_com; enum rtw_phl_status phl_sts = RTW_PHL_STATUS_FAILURE; void *drv = phl_to_drvpriv(phl_info); struct mr_ctl_t *mr_ctl = phlcom_to_mr_ctrl(phl_com); struct hw_band_ctl_t *band_ctrl = &(mr_ctl->band_ctrl[wifi_role->hw_band]); struct rtw_chan_ctx *chanctx = NULL; struct rtw_chan_def *chandef = NULL; _os_list *chan_ctx_list = &band_ctrl->chan_ctx_queue.queue; bool is_ch_grouped = false; enum band_type band = (*chan > 14) ? BAND_ON_5G : BAND_ON_24G; int chanctx_num = 0; if (wifi_role == NULL) { PHL_ERR("%s wrole == NULL\n", __func__); goto _exit; } PHL_INFO("%s new chan_def - hw_band_idx:%d, chan:%d, bw:%d, offset:%d\n", __func__, wifi_role->hw_band, *chan, *bw, *offset); chanctx_num = phl_mr_get_chanctx_num(phl_info, band_ctrl); if (chanctx_num == 0) { phl_sts = _phl_chanctx_create(phl_info, wifi_role, band, *chan, *bw, *offset); if (phl_sts != RTW_PHL_STATUS_SUCCESS) { PHL_ERR("%s failed\n", __func__); _os_warn_on(1); } else { is_ch_grouped = true; } } else { _os_spinlock(drv, &band_ctrl->chan_ctx_queue.lock, _ps, NULL); phl_list_for_loop(chanctx, struct rtw_chan_ctx, chan_ctx_list, list) { chandef = &chanctx->chan_def; is_ch_grouped = _phl_is_chbw_grouped( chandef->chan, chandef->bw, chandef->offset, *chan, *bw, *offset); if (is_ch_grouped) { _phl_adjust_chandef(chan, bw, offset, &chandef->chan, &chandef->bw, &chandef->offset); *chan = chandef->chan; *bw = chandef->bw; *offset = chandef->offset; PHL_INFO("%s grouped chan_def - hw_band_idx:%d, chan:%d, bw:%d, offset:%d\n", __func__, wifi_role->hw_band, *chan, *bw, *offset); _phl_chanctx_rmap_set(phl_info, wifi_role, &band_ctrl->chan_ctx_queue, chanctx); break; } } _os_spinunlock(drv, &band_ctrl->chan_ctx_queue.lock, _ps, NULL); if (is_ch_grouped == false) { /*MCC or DBCC*/ PHL_INFO("%s chan:%d, bw:%d, offset:%d could not grouped\n", __func__, *chan, *bw, *offset); #ifdef CONFIG_MCC_SUPPORT if (phl_com->dev_cap.mcc_sup == false) { PHL_ERR("%s don't support MCC\n", __func__); goto _exit; } if (chanctx_num >= 2) { PHL_ERR("chan_ctx cnt(%d) >= 2\n", chanctx_num); /*DBCC ?*/ goto _exit; } if (band == chandef->band) { /*MCC*/ phl_sts = _phl_chanctx_create(phl_info, wifi_role, band, *chan, *bw, *offset); if (phl_sts == RTW_PHL_STATUS_SUCCESS) is_ch_grouped = true; } else { /*DBCC*/ #ifdef CONFIG_DBCC_SUPPORT if (phl_com->dev_cap.dbcc_sup == true) { PHL_INFO("%s support DBC\n", __func__); goto _exit; } #endif /*MCC*/ phl_sts = _phl_chanctx_create(phl_info, wifi_role, band, *chan, *bw, *offset); if (phl_sts == RTW_PHL_STATUS_SUCCESS) is_ch_grouped = true; } #endif } } _exit: return is_ch_grouped; } enum rtw_phl_status phl_chanctx_free(struct phl_info_t *phl_info, struct hw_band_ctl_t *band_ctl) { int chanctx_num = 0; struct rtw_chan_ctx *chanctx = NULL; struct phl_queue *chan_ctx_queue = &band_ctl->chan_ctx_queue; void *drv = phl_to_drvpriv(phl_info); chanctx_num = phl_mr_get_chanctx_num(phl_info, band_ctl); if (chanctx_num == 0) return RTW_PHL_STATUS_SUCCESS; PHL_INFO("%s band_idx:%d chctx_num:%d\n", __func__, band_ctl->id, chanctx_num); do { _os_spinlock(drv, &band_ctl->chan_ctx_queue.lock, _ps, NULL); if (list_empty(&chan_ctx_queue->queue)) { chanctx = NULL; } else { chanctx = list_first_entry(&chan_ctx_queue->queue, struct rtw_chan_ctx, list); list_del(&chanctx->list); chan_ctx_queue->cnt--; } _os_spinunlock(drv, &band_ctl->chan_ctx_queue.lock, _ps, NULL); if (chanctx) { _os_kmem_free(drv, chanctx, sizeof(struct rtw_chan_ctx)); } } while (chanctx != NULL); return RTW_PHL_STATUS_SUCCESS; } /* used for get all role under band_idx */ u8 phl_get_chanctx_rolemap(struct phl_info_t *phl_info, u8 band_idx) { void *drv = phl_to_drvpriv(phl_info); struct hw_band_ctl_t *band_ctrl = get_band_ctrl(phl_info, band_idx); _os_list *chan_ctx_list = &band_ctrl->chan_ctx_queue.queue; struct rtw_chan_ctx *chanctx = NULL; u8 role_map =0; _os_spinlock(drv, &band_ctrl->chan_ctx_queue.lock, _ps, NULL); phl_list_for_loop(chanctx, struct rtw_chan_ctx, chan_ctx_list, list) { role_map |= chanctx->role_map; } _os_spinunlock(drv, &band_ctrl->chan_ctx_queue.lock, _ps, NULL); return role_map; } bool rtw_phl_chanctx_chk(void *phl, struct rtw_wifi_role_t *wifi_role, u8 chan, enum channel_width bw, enum chan_offset offset) { struct phl_info_t *phl_info = (struct phl_info_t *)phl; struct rtw_phl_com_t *phl_com = phl_info->phl_com; void *drv = phl_to_drvpriv(phl_info); struct mr_ctl_t *mr_ctl = phlcom_to_mr_ctrl(phl_com); u8 band_idx = wifi_role->hw_band; bool is_ch_group = false; struct hw_band_ctl_t *band_ctrl = &(mr_ctl->band_ctrl[band_idx]); int chanctx_num = 0; struct rtw_chan_ctx *chanctx = NULL; struct rtw_chan_def *chandef = NULL; if (chan == 0) { PHL_ERR("%s req chan = 0 \n", __func__); goto _exit; } /*status check*/ if (mr_ctl->is_sb) { if (band_idx == 1) { PHL_ERR("wrole:%d in band_idx:%d\n", wifi_role->id, band_idx); _os_warn_on(1); goto _exit; } } chanctx_num = phl_mr_get_chanctx_num(phl_info, band_ctrl); if (chanctx_num > 0) { _os_spinlock(drv, &band_ctrl->chan_ctx_queue.lock, _ps, NULL); phl_list_for_loop(chanctx, struct rtw_chan_ctx, &band_ctrl->chan_ctx_queue.queue, list) { chandef = &chanctx->chan_def; is_ch_group = _phl_is_chbw_grouped( chandef->chan, chandef->bw, chandef->offset, chan, bw, offset); if (is_ch_group) break; } /* consider MCC case (support max 2 diff ch for MCC currently) */ #ifdef CONFIG_MCC_SUPPORT if (phl_com->dev_cap.mcc_sup == true && is_ch_group == false && chanctx_num < 2) { is_ch_group = true; } #endif _os_spinunlock(drv, &band_ctrl->chan_ctx_queue.lock, _ps, NULL); } else { is_ch_group = true; } _exit: PHL_DUMP_MR_EX(phl_info); return is_ch_group; } /* * Add new operating chdef to MR. * @new_chan: Input: new chdef; Output: the final operating ch ctx. * ex: In the scc case, it will be the group chdef. */ bool rtw_phl_chanctx_add(void *phl, struct rtw_wifi_role_t *wifi_role, u8 *chan, enum channel_width *bw, enum chan_offset *offset) { struct phl_info_t *phl_info = (struct phl_info_t *)phl; struct rtw_phl_com_t *phl_com = phl_info->phl_com; void *drv = phl_to_drvpriv(phl_info); struct mr_ctl_t *mr_ctl = phlcom_to_mr_ctrl(phl_com); u8 band_idx = wifi_role->hw_band; bool is_ch_grouped = false; struct hw_band_ctl_t *band_ctrl = &(mr_ctl->band_ctrl[band_idx]); int chanctx_num = 0; u8 chctx_role_num = 0; if(!chan || !bw || !offset) goto _exit; if (*chan == 0) { PHL_ERR("%s req chan = 0 \n", __func__); goto _exit; } /*status check*/ if (mr_ctl->is_sb) { if (band_idx == 1) { PHL_ERR("wrole:%d in band_idx:%d\n", wifi_role->id, band_idx); goto _exit; } } is_ch_grouped = phl_chanctx_add(phl_info, wifi_role, chan, bw, offset); if (is_ch_grouped) { chanctx_num = phl_mr_get_chanctx_num(phl_info, band_ctrl); if (chanctx_num == 2) { band_ctrl->op_mode = MR_OP_MCC; } else if (chanctx_num == 1) { struct rtw_chan_ctx *chanctx = NULL; struct phl_queue *chan_ctx_queue = &band_ctrl->chan_ctx_queue; _os_spinlock(drv, &chan_ctx_queue->lock, _ps, NULL); chanctx = list_first_entry(&chan_ctx_queue->queue, struct rtw_chan_ctx, list); chctx_role_num = phl_chanctx_get_rnum(phl_info, chan_ctx_queue, chanctx); if (chctx_role_num >= 2) band_ctrl->op_mode = MR_OP_SCC; else band_ctrl->op_mode = MR_OP_NON; _os_spinunlock(drv, &chan_ctx_queue->lock, _ps, NULL); } } #ifdef CONFIG_DBCC_SUPPORT else { if ((phl_com->dev_cap.hw_sup_flags & HW_SUP_DBCC) && (phl_com->dev_cap.dbcc_sup)) { /*TODO - info core layer */ } } #endif _exit: PHL_DUMP_MR_EX(phl_info); return is_ch_grouped; } enum rtw_phl_status rtw_phl_chanctx_del_no_self(void *phl, struct rtw_wifi_role_t *wifi_role) { enum rtw_phl_status phl_sts = RTW_PHL_STATUS_FAILURE; struct phl_info_t *phl_info = (struct phl_info_t *)phl; struct rtw_phl_com_t *phl_com = phl_info->phl_com; void *drv = phl_to_drvpriv(phl_info); struct mr_ctl_t *mr_ctl = phlcom_to_mr_ctrl(phl_com); struct hw_band_ctl_t *band_ctrl = &(mr_ctl->band_ctrl[wifi_role->hw_band]); struct rtw_chan_ctx *chanctx = NULL; int chctx_num = 0; chctx_num = phl_mr_get_chanctx_num(phl_info, band_ctrl); if (chctx_num > 2) { PHL_ERR("%s ERR - chanctx_num(%d) > 2\n", __func__, chctx_num); _os_warn_on(1); goto _exit; } if (chctx_num == 0) { phl_sts = RTW_PHL_STATUS_SUCCESS; PHL_INFO("%s - chctx_num = 0\n", __func__); goto _exit; } else if (chctx_num == 1) { /*SCC*/ _os_spinlock(drv, &band_ctrl->chan_ctx_queue.lock, _ps, NULL); if (!list_empty(&band_ctrl->chan_ctx_queue.queue)) { chanctx = list_first_entry(&band_ctrl->chan_ctx_queue.queue, struct rtw_chan_ctx, list); phl_sts = _phl_chanctx_del(phl_info, &band_ctrl->chan_ctx_queue, chanctx); if (phl_sts != RTW_PHL_STATUS_SUCCESS) { PHL_ERR("_phl_chanctx_del failed\n"); _os_warn_on(1); } } _os_spinunlock(drv, &band_ctrl->chan_ctx_queue.lock, _ps, NULL); _os_kmem_free(drv, chanctx, sizeof(struct rtw_chan_ctx)); } else if (chctx_num == 2) { /*MCC*/ } _exit: PHL_DUMP_MR_EX(phl_info); return phl_sts; } int rtw_phl_chanctx_del(void *phl, struct rtw_wifi_role_t *wifi_role, struct rtw_chan_def *chan_def) { enum rtw_phl_status phl_sts = RTW_PHL_STATUS_FAILURE; struct phl_info_t *phl_info = (struct phl_info_t *)phl; struct rtw_phl_com_t *phl_com = phl_info->phl_com; void *drv = phl_to_drvpriv(phl_info); struct mr_ctl_t *mr_ctl = phlcom_to_mr_ctrl(phl_com); struct hw_band_ctl_t *band_ctrl = &(mr_ctl->band_ctrl[wifi_role->hw_band]); struct phl_queue *chan_ctx_queue = &band_ctrl->chan_ctx_queue; struct rtw_chan_ctx *target_chanctx = NULL; struct rtw_chan_ctx *chanctx = NULL; int chctx_num = 0; u8 chctx_role_num = 0; u8 band_role_num = 0; if (wifi_role == NULL) { PHL_ERR("%s wifi_role == NULL!!\n", __func__); /*_os_warn_on(1);*/ goto _exit; } target_chanctx = wifi_role->chanctx; if (target_chanctx == NULL) { PHL_ERR("%s wifi_role->chanctx == NULL\n", __func__); /*_os_warn_on(1);*/ goto _exit; } /*init chan_def*/ if (chan_def) chan_def->chan = 0; chctx_num = phl_mr_get_chanctx_num(phl_info, band_ctrl); band_role_num = phl_mr_get_role_num(phl_info, band_ctrl); chctx_role_num = phl_chanctx_get_rnum_with_lock(phl_info, chan_ctx_queue, target_chanctx); if (chctx_num == 0 || chctx_role_num == 0) { PHL_ERR("%s ERR - chanctx_num(%d), role_num(%d)\n", __func__, chctx_num, chctx_role_num); _os_warn_on(1); goto _exit; } if (chctx_num > 2) { PHL_ERR("%s ERR - chanctx_num(%d) > 2\n", __func__, chctx_num); _os_warn_on(1); goto _exit; } if (chctx_role_num == 1) { /*single role on this chctx*/ _os_spinlock(drv, &chan_ctx_queue->lock, _ps, NULL); phl_sts = _phl_chanctx_rmap_clr(phl_info, wifi_role, chan_ctx_queue, target_chanctx); if (phl_sts != RTW_PHL_STATUS_SUCCESS) PHL_ERR("_phl_chanctx_rmap_clr failed\n"); phl_sts = _phl_chanctx_del(phl_info, chan_ctx_queue, target_chanctx); if (phl_sts != RTW_PHL_STATUS_SUCCESS) PHL_ERR("_phl_chanctx_del failed\n"); _os_spinunlock(drv, &chan_ctx_queue->lock, _ps, NULL); _os_kmem_free(drv, target_chanctx, sizeof(struct rtw_chan_ctx)); } else { /*multi roles on this chctx*/ phl_sts = _phl_chanctx_rmap_clr_with_lock(phl_info, wifi_role, chan_ctx_queue, target_chanctx); if (phl_sts != RTW_PHL_STATUS_SUCCESS) PHL_ERR("_phl_chanctx_rmap_clr_with_lock failed\n"); phl_sts = phl_mr_chandef_upt(phl_info, band_ctrl, target_chanctx); if (phl_sts != RTW_PHL_STATUS_SUCCESS) { PHL_ERR("phl_mr_chandef_upt failed\n"); _os_warn_on(1); goto _exit; } } chctx_num = phl_mr_get_chanctx_num(phl_info, band_ctrl); if (chctx_num == 0) { band_ctrl->op_mode = MR_OP_NON; } else if (chctx_num == 1) { _os_spinlock(drv, &chan_ctx_queue->lock, _ps, NULL); chanctx = list_first_entry(&chan_ctx_queue->queue, struct rtw_chan_ctx, list); chctx_role_num = phl_chanctx_get_rnum(phl_info, chan_ctx_queue, chanctx); if (chan_def) _os_mem_cpy(drv, chan_def, &chanctx->chan_def, sizeof(struct rtw_chan_def)); _os_spinunlock(drv, &chan_ctx_queue->lock, _ps, NULL); #ifdef DBG_PHL_MR if (chctx_role_num == 0) { PHL_ERR("chctx_num=1, chctx_role_num=0\n"); _os_warn_on(1); } #endif band_ctrl->op_mode = (chctx_role_num == 1) ? MR_OP_NON : MR_OP_SCC; } else if (chctx_num == 2) { if (chan_def) _os_mem_cpy(drv, chan_def, &target_chanctx->chan_def, sizeof(struct rtw_chan_def)); band_ctrl->op_mode = MR_OP_MCC; } phl_sts = RTW_PHL_STATUS_SUCCESS; PHL_INFO("%s - Bidx(%d) - Total role_num:%d, chctx_num:%d, target-chctx rnum:%d, op_mode:%d\n", __func__, band_ctrl->id, band_role_num, chctx_num, chctx_role_num, band_ctrl->op_mode); _exit: PHL_DUMP_MR_EX(phl_info); return chctx_num; } #ifdef PHL_MR_PROC_CMD bool rtw_phl_chanctx_test(void *phl, struct rtw_wifi_role_t *wifi_role, bool is_add, u8 *chan, enum channel_width *bw, enum chan_offset *offset) { bool rst = true; int chanctx_num = 0; struct rtw_chan_def chan_def = {0}; if (is_add) { rst = rtw_phl_chanctx_add(phl, wifi_role, chan, bw, offset); } else { chanctx_num = rtw_phl_chanctx_del(phl, wifi_role, &chan_def); PHL_ERR("%s chctx_num = %d\n", __func__, chanctx_num); PHL_DUMP_CHAN_DEF(&chan_def); } return rst; } #endif enum band_type rtw_phl_get_band_type(u8 chan) { /*TODO - BAND_ON_6G*/ return (chan > 14) ? BAND_ON_5G : BAND_ON_24G; } u8 rtw_phl_get_center_ch(u8 ch, enum channel_width bw, enum chan_offset offset) { u8 cch = ch; if (bw == CHANNEL_WIDTH_160) { if (ch % 4 == 0) { if (ch >= 36 && ch <= 64) cch = 50; else if (ch >= 100 && ch <= 128) cch = 114; } else if (ch % 4 == 1) { if (ch >= 149 && ch <= 177) cch = 163; } } else if (bw == CHANNEL_WIDTH_80) { if (ch <= 14) cch = 7; /* special case for 2.4G */ else if (ch % 4 == 0) { if (ch >= 36 && ch <= 48) cch = 42; else if (ch >= 52 && ch <= 64) cch = 58; else if (ch >= 100 && ch <= 112) cch = 106; else if (ch >= 116 && ch <= 128) cch = 122; else if (ch >= 132 && ch <= 144) cch = 138; } else if (ch % 4 == 1) { if (ch >= 149 && ch <= 161) cch = 155; else if (ch >= 165 && ch <= 177) cch = 171; } } else if (bw == CHANNEL_WIDTH_40) { if (offset == CHAN_OFFSET_UPPER) cch = ch + 2; else if (offset == CHAN_OFFSET_LOWER) cch = ch - 2; } else if (bw == CHANNEL_WIDTH_20 || bw == CHANNEL_WIDTH_10 || bw == CHANNEL_WIDTH_5) { ; /* the same as ch */ } else { PHL_ERR("%s failed\n", __func__); } return cch; } /* * Refer to 80211 spec Annex E Table E-4 Global operating classes * Handle 2.4G/5G Bandwidth 20/40/80/160 */ u8 rtw_phl_get_operating_class( struct rtw_chan_def chan_def ) { u8 operating_class = 0; if(chan_def.bw == CHANNEL_WIDTH_20){ if(chan_def.chan <= 13) operating_class = 81; else if(chan_def.chan ==14) operating_class = 82; else if(chan_def.chan >= 36 && chan_def.chan <= 48) operating_class = 115; else if(chan_def.chan >= 52 && chan_def.chan <= 64) operating_class = 118; else if(chan_def.chan >= 100 && chan_def.chan <= 144) operating_class = 121; else if(chan_def.chan >= 149 && chan_def.chan <= 169) operating_class = 125; else PHL_WARN("%s: Undefined channel (%d)\n", __FUNCTION__, chan_def.chan); } else if(chan_def.bw == CHANNEL_WIDTH_40){ if(chan_def.offset == CHAN_OFFSET_UPPER){ if(chan_def.chan >= 1 && chan_def.chan <= 9) operating_class = 83; else if(chan_def.chan == 36 || chan_def.chan == 44) operating_class = 116; else if(chan_def.chan == 52 || chan_def.chan == 60) operating_class = 119; else if(chan_def.chan == 100 || chan_def.chan == 108 || chan_def.chan == 116 || chan_def.chan == 124 || chan_def.chan == 132 || chan_def.chan == 140) operating_class = 122; else if(chan_def.chan == 149 || chan_def.chan == 157) operating_class = 126; else PHL_WARN("%s: Undefined channel (%d)\n", __FUNCTION__, chan_def.chan); } else if(chan_def.offset == CHAN_OFFSET_LOWER){ if(chan_def.chan >= 5 && chan_def.chan <= 13) operating_class = 84; else if(chan_def.chan == 40 || chan_def.chan == 48) operating_class = 117; else if(chan_def.chan == 56 || chan_def.chan == 64) operating_class = 120; else if(chan_def.chan == 104 || chan_def.chan == 112 || chan_def.chan == 120 || chan_def.chan == 128 || chan_def.chan == 136 || chan_def.chan == 144) operating_class = 123; else if(chan_def.chan == 153 || chan_def.chan == 161) operating_class = 127; else PHL_WARN("%s: Undefined channel (%d)\n", __FUNCTION__, chan_def.chan); } else{ PHL_WARN("%s: Invalid offset(%d)\n", __FUNCTION__, chan_def.offset); } } else if(chan_def.bw == CHANNEL_WIDTH_80){ if(chan_def.center_ch == 42 || chan_def.center_ch == 58 || chan_def.center_ch == 106 || chan_def.center_ch == 122 || chan_def.center_ch == 138 || chan_def.center_ch == 155) operating_class = 128; else PHL_WARN("%s: Undefined channel (%d)\n", __FUNCTION__, chan_def.center_ch); } else if(chan_def.bw == CHANNEL_WIDTH_160){ if(chan_def.center_ch == 50 || chan_def.center_ch == 114) operating_class = 129; else PHL_WARN("%s: Undefined channel (%d)\n", __FUNCTION__, chan_def.center_ch); } else{ PHL_WARN("%s: Not handle bandwidth (%d)\n", __FUNCTION__, chan_def.bw); } return operating_class; } bool rtw_phl_get_chandef_from_operating_class( u8 channel, u8 operating_class, struct rtw_chan_def *chan_def ) { bool ret = true; if(operating_class == 81 || operating_class == 82 || operating_class == 115 || operating_class == 118 || operating_class == 118 || operating_class == 121 || operating_class == 125){ chan_def->chan = channel; chan_def->bw = CHANNEL_WIDTH_20; chan_def->offset = CHAN_OFFSET_NO_EXT; chan_def->center_ch = rtw_phl_get_center_ch(channel, CHANNEL_WIDTH_20, CHAN_OFFSET_NO_EXT); } else if(operating_class == 83 || operating_class == 116 || operating_class == 119 || operating_class == 122 || operating_class == 126){ chan_def->chan = channel; chan_def->bw = CHANNEL_WIDTH_40; chan_def->offset = CHAN_OFFSET_UPPER; chan_def->center_ch = rtw_phl_get_center_ch(channel, CHANNEL_WIDTH_40, CHAN_OFFSET_UPPER); } else if(operating_class == 84 || operating_class == 117 || operating_class == 120 || operating_class == 123 || operating_class == 127){ chan_def->chan = channel; chan_def->bw = CHANNEL_WIDTH_40; chan_def->offset = CHAN_OFFSET_LOWER; chan_def->center_ch = rtw_phl_get_center_ch(channel, CHANNEL_WIDTH_40, CHAN_OFFSET_LOWER); } else if(operating_class == 128){ chan_def->chan = channel; chan_def->bw = CHANNEL_WIDTH_80; chan_def->offset = CHAN_OFFSET_NO_DEF; chan_def->center_ch = rtw_phl_get_center_ch(channel, CHANNEL_WIDTH_80, CHAN_OFFSET_NO_DEF); } else if(operating_class == 129){ chan_def->chan = channel; chan_def->bw = CHANNEL_WIDTH_160; chan_def->offset = CHAN_OFFSET_NO_DEF; chan_def->center_ch = rtw_phl_get_center_ch(channel, CHANNEL_WIDTH_40, CHAN_OFFSET_NO_DEF); } else{ PHL_ERR("%s: Unknown operating class (%d)\n", __FUNCTION__, operating_class); ret = false; } return ret; }