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| /******************************************************************************
| *
| * Copyright(c) 2007 - 2020 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.
| *
| * The full GNU General Public License is included in this distribution in the
| * file called LICENSE.
| *
| * Contact Information:
| * wlanfae <wlanfae@realtek.com>
| * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
| * Hsinchu 300, Taiwan.
| *
| * Larry Finger <Larry.Finger@lwfinger.net>
| *
| *****************************************************************************/
| #include "halbb_precomp.h"
| #ifdef HALBB_SNIF_SUPPORT
| static const u8 he_sigb_n_user [256] = {
| 9, 8, 8, 7, 8, 7, 7, 6,
| 8, 7, 7, 6, 7, 6, 5, 3,
| 4, 5, 6, 7, 8, 9, 10, 3,
| 4, 5, 6, 7, 8, 9, 10, 6,
| 7, 8, 9,10, 11, 12, 13, 5,
| 6, 7, 8, 9, 10, 11, 12, 5,
| 6, 7, 8, 9, 10, 11, 12, 4,
| 5, 6, 7, 8, 9, 10, 11, 6,
| 7, 8, 9, 10, 11, 12, 13, 5,
| 6, 7, 8, 9, 10, 11, 12, 5,
| 6, 7, 8, 9, 10, 11, 12, 4,
| 5, 6, 7, 8, 9, 10, 11, 2,
| 3, 4, 5, 6, 7, 8, 9,10,
| 11, 12, 13, 14, 15 ,16, 17, 4,
| 0, 0, 0, 0, 0, 0, 0, 0,
| 0, 0, 0, 0, 0, 0, 0, 3,
| 4, 5, 6, 7, 8, 9,10, 11,
| 12, 13, 14, 15, 16, 17, 18, 19,
| 20, 21, 22, 23, 24, 25, 26, 27,
| 28, 29, 30, 31, 32, 33, 34, 35,
| 36, 37, 38, 39, 40, 41, 42, 43,
| 44, 45, 46, 47, 48, 49, 50, 51,
| 52, 53, 54, 55, 56, 57, 58, 59,
| 60, 61, 62, 63, 64, 65, 66, 1,
| 2, 3, 4, 5, 6, 7, 8, 1,
| 2, 3, 4, 5, 6, 7, 8, 1,
| 2, 3, 4, 5, 6, 7, 8, 0,
| 0, 0, 0, 0, 0, 0, 0, 0,
| 0, 0, 0, 0, 0, 0, 0, 0,
| 0, 0, 0, 0, 0, 0, 0, 0,
| 0, 0, 0, 0, 0, 0, 0, 0,
| 0, 0, 0, 0, 0, 0, 0, 0};
|
| void halbb_sniffer_rpt_reset(struct bb_info *bb)
| {
| struct bb_snif_info *snif = &bb->bb_cmn_hooker->bb_snif_i;
|
| snif->snif_l_sig_len = 0;
| snif->snif_sig_a1_len = 0;
| snif->snif_sig_a2_len = 0;
| snif->snif_sig_b_len = 0;
| }
|
| void halbb_sniffer_mode_en(struct bb_info *bb, bool en)
| {
| struct bb_snif_info *snif = &bb->bb_cmn_hooker->bb_snif_i;
| struct bb_physts_info *physts = &bb->bb_physts_i;
| u32 u32_tmp = 0;
| u32 snif_ie_bitmap = BIT(IE09_FTR_PLCP_0) | BIT(IE10_FTR_PLCP_EXT);
| u8 i = 0;
|
| snif->snif_mode_en = en;
|
| /*Enable IE Pages 9 & 10*/
| for (i = 0; i < PHYSTS_BITMAP_NUM; i++) {
| u32_tmp = halbb_physts_ie_bitmap_get(bb, i) & ~snif_ie_bitmap;
|
| if (i >= HE_MU) {
| if (en) {
| if (i == HE_MU || i == VHT_MU) {
| u32_tmp |= snif_ie_bitmap;
| } else {
| u32_tmp |= BIT(IE09_FTR_PLCP_0);
| }
| }
|
| halbb_physts_ie_bitmap_set(bb, i, u32_tmp);
| u32_tmp = halbb_physts_ie_bitmap_get(bb, i);
| physts->bitmap_type[i] = u32_tmp;
|
| BB_DBG(bb, DBG_SNIFFER, "[IE:%02d] bit_map=0x%08x\n",
| i, physts->bitmap_type[i]);
| }
| }
| }
|
| bool halbb_sniffer_phy_sts_ie_09(struct bb_info *bb)
| {
| struct bb_snif_info *snif = &bb->bb_cmn_hooker->bb_snif_i;
| struct bb_physts_info *physts = &bb->bb_physts_i;
| struct bb_physts_rslt_9_info *psts_9 = &physts->bb_physts_rslt_9_i;
| struct bb_cmn_rpt_info *cmn_rpt = &bb->bb_cmn_rpt_i;
|
| //BB_DBG(bb, DBG_SNIFFER, "[IE:09] LSIG=0x%06x, SIGA1=0x%08x, SIGA2=0x%08x\n",
| // psts_9->l_sig, psts_9->sig_a1, psts_9->sig_a2);
|
| snif->snif_l_sig = &psts_9->l_sig;
| snif->snif_sig_a1 = &psts_9->sig_a1;
| snif->snif_sig_a2 = &psts_9->sig_a2;
|
| snif->snif_l_sig_len = 17;
|
| if (cmn_rpt->bb_rate_i.mode == BB_LEGACY_MODE) {
| snif->snif_sig_a1_len = 0;
| snif->snif_sig_a2_len = 0;
| } else if (cmn_rpt->bb_rate_i.mode == BB_HT_MODE ||
| cmn_rpt->bb_rate_i.mode == BB_VHT_MODE) {
|
| snif->snif_sig_a1_len = 24; /*SIG_A1[23:0]*/
| snif->snif_sig_a2_len = 10; /*SIG_A2[9:0]*/
|
| } else if (cmn_rpt->bb_rate_i.mode == BB_HE_MODE) {
| snif->snif_sig_a1_len = 26; /*SIG_A1[25:0]*/
| snif->snif_sig_a2_len = 16; /*SIG_A2[15:0]*/
| } else { /*Lgcy*/
| BB_WARNING("[%s] \n", __func__);
| return false;
| }
| return true;
| }
|
| bool halbb_sniffer_phy_sts_ie_10(struct bb_info *bb)
| {
| struct bb_snif_info *snif = &bb->bb_cmn_hooker->bb_snif_i;
| struct plcp_hdr_vht_sig_b_info *vht_sig_b = &snif->plcp_hdr_vht_sig_b_i;
| struct bb_physts_info *physts = &bb->bb_physts_i;
| struct bb_physts_rslt_hdr_info *psts_h = &physts->bb_physts_rslt_hdr_i;
| struct bb_physts_rslt_1_info *psts_1 = &physts->bb_physts_rslt_1_i;
| struct bb_physts_rslt_10_info *psts_10 = &physts->bb_physts_rslt_10_i;
| struct bb_cmn_rpt_info *cmn_rpt = &bb->bb_cmn_rpt_i;
| u32 sigb_tmp = 0;
| u16 sig_b_len_tmp = 0;
| u32 sig_b_len = 0, vht_mcs = 0;
|
| BB_DBG(bb, DBG_SNIFFER, "[IE:10] snif_sig_b_len=%d\n", snif->snif_sig_b_len);
|
| if (cmn_rpt->bb_rate_i.mode == BB_VHT_MODE ||
| cmn_rpt->bb_rate_i.mode == BB_HE_MODE) {
| snif->snif_sig_b = (u32 *)psts_10->sigb_raw_data_bits_addr;
| snif->snif_sig_b_len = psts_10->sigb_len;
|
| sigb_tmp = *snif->snif_sig_b;
| sig_b_len_tmp = snif->snif_sig_b_len;
| } else {
| BB_WARNING("[%s] rate_mode=%d\n", __func__, cmn_rpt->bb_rate_i.mode);
| return false;
| }
|
| if (cmn_rpt->bb_rate_i.mode == BB_VHT_MODE) {
| if (psts_h->ie_map_type == VHT_MU) {
| if (psts_1->bw_idx == CHANNEL_WIDTH_20) {
| vht_sig_b->sigb_len_l = sigb_tmp & 0xffff;
| vht_sig_b->vht_mcs = (sigb_tmp >> 16) & 0xf;
| } else if (psts_1->bw_idx == CHANNEL_WIDTH_40) {
| vht_sig_b->sigb_len_l = sigb_tmp & 0x1ffff;
| vht_sig_b->vht_mcs = (sigb_tmp >> 17) & 0xf;
| } else { /*80, 160, 80+80*/
| vht_sig_b->sigb_len_l = sigb_tmp & 0x7ffff;
| vht_sig_b->vht_mcs = (sigb_tmp >> 19) & 0xf;
| }
| } else { /*su*/
| vht_sig_b->vht_mcs = 0xff;
| if (psts_1->bw_idx == CHANNEL_WIDTH_20) {
| vht_sig_b->sigb_len_l = sigb_tmp & 0x1ffff;
| } else if (psts_1->bw_idx == CHANNEL_WIDTH_40) {
| vht_sig_b->sigb_len_l = sigb_tmp & 0x7ffff;
| } else { /*80, 160, 80+80*/
| vht_sig_b->sigb_len_l = sigb_tmp & 0x1fffff;
| }
| }
|
| } else { /*HE*/
| snif->snif_sig_b_len = 0;
| }
|
| return true;
| }
|
| bool halbb_sniffer_phy_sts(struct bb_info *bb, struct physts_result *rpt,
| u32 physts_bitmap, struct physts_rxd *desc)
| {
| struct bb_snif_info *snif = &bb->bb_cmn_hooker->bb_snif_i;
| struct bb_physts_info *physts = &bb->bb_physts_i;
| struct bb_physts_rslt_hdr_info *psts_h = &physts->bb_physts_rslt_hdr_i;
| struct bb_physts_rslt_9_info *psts_9 = &physts->bb_physts_rslt_9_i;
| struct bb_cmn_rpt_info *cmn_rpt = &bb->bb_cmn_rpt_i;
| bool rpt_valid = true;
|
| if (!snif->snif_mode_en)
| return false;
|
| if (physts->bb_physts_rslt_hdr_i.ie_map_type <= DL_MU_SPOOFING)
| return false;
|
| if (psts_h->ie_map_type == CCK_PKT)
| return false;
|
| if ((physts_bitmap & (BIT(IE09_FTR_PLCP_0) | BIT(IE10_FTR_PLCP_EXT))) == 0)
| return false;
|
| halbb_print_rate_2_buff(bb, desc->data_rate, desc->gi_ltf, bb->dbg_buf, HALBB_SNPRINT_SIZE);
|
| BB_DBG(bb, DBG_SNIFFER, "[%d][%s] bitmap=0x%08x, Rate= %s (0x%x-%x), rate_mode=%d\n",
| psts_h->ie_map_type,
| bb_physts_bitmap_type_t[psts_h->ie_map_type],
| physts_bitmap,
| bb->dbg_buf, desc->data_rate, desc->gi_ltf,
| cmn_rpt->bb_rate_i.mode);
|
| halbb_sniffer_rpt_reset(bb);
| snif->snif_rate = desc->data_rate;
| snif->snif_rate_mode = (u8)cmn_rpt->bb_rate_i.mode;
| snif->snif_ie_bitmap_type = psts_h->ie_map_type;
|
| if (physts_bitmap & BIT(IE09_FTR_PLCP_0)) {
| rpt_valid &= halbb_sniffer_phy_sts_ie_09(bb);
| BB_DBG(bb, DBG_SNIFFER, "[IE:09] LSIG=0x%06x(%d), SIGA1=0x%08x(%d), SIGA2=0x%08x(%d)\n",
| (snif->snif_l_sig)[0], snif->snif_l_sig_len,
| (snif->snif_sig_a1)[0], snif->snif_sig_a1_len,
| (snif->snif_sig_a2)[0], snif->snif_sig_a2_len);
| }
|
| if (physts_bitmap & BIT(IE10_FTR_PLCP_EXT)) {
| rpt_valid &= halbb_sniffer_phy_sts_ie_10(bb);
| }
|
| rpt->bb_snif_i = snif;
|
| BB_DBG(bb, DBG_SNIFFER, "valid=%d\n", rpt_valid);
| return rpt_valid;
| }
|
| void halbb_sniffer_phy_sts_init(struct bb_info *bb)
| {
| struct bb_snif_info *snif = &bb->bb_cmn_hooker->bb_snif_i;
|
| BB_DBG(bb, DBG_SNIFFER, "[%s] \n", __func__);
| }
|
| void halbb_snif_dbg(struct bb_info *bb, char input[][16], u32 *_used,
| char *output, u32 *_out_len)
| {
| u32 val[10] = {0};
|
| if (_os_strcmp(input[1], "-h") == 0) {
| BB_DBG_CNSL(*_out_len, *_used, output + *_used, *_out_len - *_used,
| "en {val}\n");
| BB_DBG_CNSL(*_out_len, *_used, output + *_used, *_out_len - *_used,
| "ofdma_1 {bss_color} {sta_id}\n");
| BB_DBG_CNSL(*_out_len, *_used, output + *_used, *_out_len - *_used,
| "vht_mu {PMAC_Ctrl_user_idx_en} {user_idx}\n");
| return;
| }
|
| if (_os_strcmp(input[1], "en") == 0) {
| HALBB_SCAN(input[2], DCMD_HEX, &val[0]);
| halbb_sniffer_mode_en(bb, (bool)val[0]);
| BB_DBG_CNSL(*_out_len, *_used, output + *_used, *_out_len - *_used,
| "Sniffer Mode en = %d\n", val[0]);
| return;
| } else if (_os_strcmp(input[1], "ofdma_1") == 0) {
| HALBB_SCAN(input[2], DCMD_HEX, &val[0]);
| HALBB_SCAN(input[3], DCMD_HEX, &val[1]);
|
| halbb_set_bss_color(bb, (u8)val[0], bb->bb_phy_idx);
| halbb_set_sta_id(bb, (u16)val[1], bb->bb_phy_idx);
|
| BB_DBG_CNSL(*_out_len, *_used, output + *_used, *_out_len - *_used,
| "Set bss_color=%d, sta_id = %d\n", val[0], val[1]);
| } else if (_os_strcmp(input[1], "vht_mu") == 0) {
| HALBB_SCAN(input[2], DCMD_DECIMAL, &val[0]);
| HALBB_SCAN(input[3], DCMD_DECIMAL, &val[1]);
|
| halbb_set_vht_mu_user_idx(bb, (bool)val[0], (u8)val[1], bb->bb_phy_idx);
| BB_DBG_CNSL(*_out_len, *_used, output + *_used, *_out_len - *_used,
| "Set vht_mu PMAC_Ctrl_en=%d user_idx= %d\n", val[0], val[1]);
| } else {
| BB_DBG_CNSL(*_out_len, *_used, output + *_used, *_out_len - *_used,
| "Err\n");
| }
| }
|
| #endif
|
|
