18e84c258SEugene Krasnikov /* 28e84c258SEugene Krasnikov * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com> 38e84c258SEugene Krasnikov * 48e84c258SEugene Krasnikov * Permission to use, copy, modify, and/or distribute this software for any 58e84c258SEugene Krasnikov * purpose with or without fee is hereby granted, provided that the above 68e84c258SEugene Krasnikov * copyright notice and this permission notice appear in all copies. 78e84c258SEugene Krasnikov * 88e84c258SEugene Krasnikov * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 98e84c258SEugene Krasnikov * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 108e84c258SEugene Krasnikov * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 118e84c258SEugene Krasnikov * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 128e84c258SEugene Krasnikov * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 138e84c258SEugene Krasnikov * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 148e84c258SEugene Krasnikov * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 158e84c258SEugene Krasnikov */ 168e84c258SEugene Krasnikov 178e84c258SEugene Krasnikov #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 188e84c258SEugene Krasnikov 198e84c258SEugene Krasnikov #include "txrx.h" 208e84c258SEugene Krasnikov 218e84c258SEugene Krasnikov static inline int get_rssi0(struct wcn36xx_rx_bd *bd) 228e84c258SEugene Krasnikov { 238e84c258SEugene Krasnikov return 100 - ((bd->phy_stat0 >> 24) & 0xff); 248e84c258SEugene Krasnikov } 258e84c258SEugene Krasnikov 260aa90483SLoic Poulain struct wcn36xx_rate { 270aa90483SLoic Poulain u16 bitrate; 280aa90483SLoic Poulain u16 mcs_or_legacy_index; 290aa90483SLoic Poulain enum mac80211_rx_encoding encoding; 300aa90483SLoic Poulain enum mac80211_rx_encoding_flags encoding_flags; 310aa90483SLoic Poulain enum rate_info_bw bw; 320aa90483SLoic Poulain }; 330aa90483SLoic Poulain 34*8a27ca39SLoic Poulain /* Buffer descriptor rx_ch field is limited to 5-bit (4+1), a mapping is used 35*8a27ca39SLoic Poulain * for 11A Channels. 36*8a27ca39SLoic Poulain */ 37*8a27ca39SLoic Poulain static const u8 ab_rx_ch_map[] = { 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 38*8a27ca39SLoic Poulain 108, 112, 116, 120, 124, 128, 132, 136, 140, 39*8a27ca39SLoic Poulain 149, 153, 157, 161, 165, 144 }; 40*8a27ca39SLoic Poulain 410aa90483SLoic Poulain static const struct wcn36xx_rate wcn36xx_rate_table[] = { 420aa90483SLoic Poulain /* 11b rates */ 430aa90483SLoic Poulain { 10, 0, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 440aa90483SLoic Poulain { 20, 1, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 450aa90483SLoic Poulain { 55, 2, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 460aa90483SLoic Poulain { 110, 3, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 470aa90483SLoic Poulain 480aa90483SLoic Poulain /* 11b SP (short preamble) */ 490aa90483SLoic Poulain { 10, 0, RX_ENC_LEGACY, RX_ENC_FLAG_SHORTPRE, RATE_INFO_BW_20 }, 500aa90483SLoic Poulain { 20, 1, RX_ENC_LEGACY, RX_ENC_FLAG_SHORTPRE, RATE_INFO_BW_20 }, 510aa90483SLoic Poulain { 55, 2, RX_ENC_LEGACY, RX_ENC_FLAG_SHORTPRE, RATE_INFO_BW_20 }, 520aa90483SLoic Poulain { 110, 3, RX_ENC_LEGACY, RX_ENC_FLAG_SHORTPRE, RATE_INFO_BW_20 }, 530aa90483SLoic Poulain 540aa90483SLoic Poulain /* 11ag */ 550aa90483SLoic Poulain { 60, 4, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 560aa90483SLoic Poulain { 90, 5, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 570aa90483SLoic Poulain { 120, 6, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 580aa90483SLoic Poulain { 180, 7, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 590aa90483SLoic Poulain { 240, 8, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 600aa90483SLoic Poulain { 360, 9, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 610aa90483SLoic Poulain { 480, 10, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 620aa90483SLoic Poulain { 540, 11, RX_ENC_LEGACY, 0, RATE_INFO_BW_20 }, 630aa90483SLoic Poulain 640aa90483SLoic Poulain /* 11n */ 650aa90483SLoic Poulain { 65, 0, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 660aa90483SLoic Poulain { 130, 1, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 670aa90483SLoic Poulain { 195, 2, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 680aa90483SLoic Poulain { 260, 3, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 690aa90483SLoic Poulain { 390, 4, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 700aa90483SLoic Poulain { 520, 5, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 710aa90483SLoic Poulain { 585, 6, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 720aa90483SLoic Poulain { 650, 7, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 730aa90483SLoic Poulain 740aa90483SLoic Poulain /* 11n SGI */ 750aa90483SLoic Poulain { 72, 0, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_20 }, 760aa90483SLoic Poulain { 144, 1, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_20 }, 770aa90483SLoic Poulain { 217, 2, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_20 }, 780aa90483SLoic Poulain { 289, 3, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_20 }, 790aa90483SLoic Poulain { 434, 4, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_20 }, 800aa90483SLoic Poulain { 578, 5, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_20 }, 810aa90483SLoic Poulain { 650, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_20 }, 820aa90483SLoic Poulain { 722, 7, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_20 }, 830aa90483SLoic Poulain 840aa90483SLoic Poulain /* 11n GF (greenfield) */ 850aa90483SLoic Poulain { 65, 0, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_20 }, 860aa90483SLoic Poulain { 130, 1, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_20 }, 870aa90483SLoic Poulain { 195, 2, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_20 }, 880aa90483SLoic Poulain { 260, 3, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_20 }, 890aa90483SLoic Poulain { 390, 4, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_20 }, 900aa90483SLoic Poulain { 520, 5, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_20 }, 910aa90483SLoic Poulain { 585, 6, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_20 }, 920aa90483SLoic Poulain { 650, 7, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_20 }, 930aa90483SLoic Poulain 940aa90483SLoic Poulain /* 11n CB (channel bonding) */ 950aa90483SLoic Poulain { 135, 0, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 960aa90483SLoic Poulain { 270, 1, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 970aa90483SLoic Poulain { 405, 2, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 980aa90483SLoic Poulain { 540, 3, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 990aa90483SLoic Poulain { 810, 4, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 1000aa90483SLoic Poulain { 1080, 5, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 1010aa90483SLoic Poulain { 1215, 6, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 1020aa90483SLoic Poulain { 1350, 7, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 1030aa90483SLoic Poulain 1040aa90483SLoic Poulain /* 11n CB + SGI */ 1050aa90483SLoic Poulain { 150, 0, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 1060aa90483SLoic Poulain { 300, 1, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 1070aa90483SLoic Poulain { 450, 2, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 1080aa90483SLoic Poulain { 600, 3, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 1090aa90483SLoic Poulain { 900, 4, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 1100aa90483SLoic Poulain { 1200, 5, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 1110aa90483SLoic Poulain { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 1120aa90483SLoic Poulain { 1500, 7, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 1130aa90483SLoic Poulain 1140aa90483SLoic Poulain /* 11n GF + CB */ 1150aa90483SLoic Poulain { 135, 0, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_40 }, 1160aa90483SLoic Poulain { 270, 1, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_40 }, 1170aa90483SLoic Poulain { 405, 2, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_40 }, 1180aa90483SLoic Poulain { 540, 3, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_40 }, 1190aa90483SLoic Poulain { 810, 4, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_40 }, 1200aa90483SLoic Poulain { 1080, 5, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_40 }, 1210aa90483SLoic Poulain { 1215, 6, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_40 }, 1220aa90483SLoic Poulain { 1350, 7, RX_ENC_HT, RX_ENC_FLAG_HT_GF, RATE_INFO_BW_40 }, 1230aa90483SLoic Poulain 12410630b15SBryan O'Donoghue /* 11ac reserved indices */ 12510630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 12610630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 12710630b15SBryan O'Donoghue 12810630b15SBryan O'Donoghue /* 11ac 20 MHz 800ns GI MCS 0-8 */ 12910630b15SBryan O'Donoghue { 65, 0, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 13010630b15SBryan O'Donoghue { 130, 1, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 13110630b15SBryan O'Donoghue { 195, 2, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 13210630b15SBryan O'Donoghue { 260, 3, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 13310630b15SBryan O'Donoghue { 390, 4, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 13410630b15SBryan O'Donoghue { 520, 5, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 13510630b15SBryan O'Donoghue { 585, 6, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 13610630b15SBryan O'Donoghue { 650, 7, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 13710630b15SBryan O'Donoghue { 780, 8, RX_ENC_HT, 0, RATE_INFO_BW_20 }, 13810630b15SBryan O'Donoghue 13910630b15SBryan O'Donoghue /* 11ac reserved indices */ 14010630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 14110630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 14210630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 14310630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 14410630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 14510630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 14610630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 14710630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 14810630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 14910630b15SBryan O'Donoghue 15010630b15SBryan O'Donoghue /* 11ac 20 MHz 400ns SGI MCS 6-8 */ 15110630b15SBryan O'Donoghue { 655, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_20 }, 15210630b15SBryan O'Donoghue { 722, 7, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_20 }, 15310630b15SBryan O'Donoghue { 866, 8, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_20 }, 15410630b15SBryan O'Donoghue 15510630b15SBryan O'Donoghue /* 11ac reserved indices */ 15610630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 15710630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 15810630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 15910630b15SBryan O'Donoghue 16010630b15SBryan O'Donoghue /* 11ac 40 MHz 800ns GI MCS 0-9 */ 16110630b15SBryan O'Donoghue { 135, 0, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 16210630b15SBryan O'Donoghue { 270, 1, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 16310630b15SBryan O'Donoghue { 405, 2, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 16410630b15SBryan O'Donoghue { 540, 3, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 16510630b15SBryan O'Donoghue { 810, 4, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 16610630b15SBryan O'Donoghue { 1080, 5, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 16710630b15SBryan O'Donoghue { 1215, 6, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 16810630b15SBryan O'Donoghue { 1350, 7, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 16910630b15SBryan O'Donoghue { 1350, 7, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 17010630b15SBryan O'Donoghue { 1620, 8, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 17110630b15SBryan O'Donoghue { 1800, 9, RX_ENC_HT, 0, RATE_INFO_BW_40 }, 17210630b15SBryan O'Donoghue 17310630b15SBryan O'Donoghue /* 11ac reserved indices */ 17410630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 17510630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 17610630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 17710630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 17810630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 17910630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 18010630b15SBryan O'Donoghue 18110630b15SBryan O'Donoghue /* 11ac 40 MHz 400ns SGI MCS 5-7 */ 18210630b15SBryan O'Donoghue { 1200, 5, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 18310630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 18410630b15SBryan O'Donoghue { 1500, 7, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 18510630b15SBryan O'Donoghue 18610630b15SBryan O'Donoghue /* 11ac reserved index */ 18710630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 18810630b15SBryan O'Donoghue 18910630b15SBryan O'Donoghue /* 11ac 40 MHz 400ns SGI MCS 5-7 */ 19010630b15SBryan O'Donoghue { 1800, 8, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 19110630b15SBryan O'Donoghue { 2000, 9, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 19210630b15SBryan O'Donoghue 19310630b15SBryan O'Donoghue /* 11ac reserved index */ 19410630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 19510630b15SBryan O'Donoghue 19610630b15SBryan O'Donoghue /* 11ac 80 MHz 800ns GI MCS 0-7 */ 19710630b15SBryan O'Donoghue { 292, 0, RX_ENC_HT, 0, RATE_INFO_BW_80}, 19810630b15SBryan O'Donoghue { 585, 1, RX_ENC_HT, 0, RATE_INFO_BW_80}, 19910630b15SBryan O'Donoghue { 877, 2, RX_ENC_HT, 0, RATE_INFO_BW_80}, 20010630b15SBryan O'Donoghue { 1170, 3, RX_ENC_HT, 0, RATE_INFO_BW_80}, 20110630b15SBryan O'Donoghue { 1755, 4, RX_ENC_HT, 0, RATE_INFO_BW_80}, 20210630b15SBryan O'Donoghue { 2340, 5, RX_ENC_HT, 0, RATE_INFO_BW_80}, 20310630b15SBryan O'Donoghue { 2632, 6, RX_ENC_HT, 0, RATE_INFO_BW_80}, 20410630b15SBryan O'Donoghue { 2925, 7, RX_ENC_HT, 0, RATE_INFO_BW_80}, 20510630b15SBryan O'Donoghue 20610630b15SBryan O'Donoghue /* 11 ac reserved index */ 20710630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 20810630b15SBryan O'Donoghue 20910630b15SBryan O'Donoghue /* 11ac 80 MHz 800 ns GI MCS 8-9 */ 21010630b15SBryan O'Donoghue { 3510, 8, RX_ENC_HT, 0, RATE_INFO_BW_80}, 21110630b15SBryan O'Donoghue { 3900, 9, RX_ENC_HT, 0, RATE_INFO_BW_80}, 21210630b15SBryan O'Donoghue 21310630b15SBryan O'Donoghue /* 11 ac reserved indices */ 21410630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 21510630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 21610630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 21710630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 21810630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 21910630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 22010630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 22110630b15SBryan O'Donoghue 22210630b15SBryan O'Donoghue /* 11ac 80 MHz 400 ns SGI MCS 6-7 */ 22310630b15SBryan O'Donoghue { 2925, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_80 }, 22410630b15SBryan O'Donoghue { 3250, 7, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_80 }, 22510630b15SBryan O'Donoghue 22610630b15SBryan O'Donoghue /* 11ac reserved index */ 22710630b15SBryan O'Donoghue { 1350, 6, RX_ENC_HT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_40 }, 22810630b15SBryan O'Donoghue 22910630b15SBryan O'Donoghue /* 11ac 80 MHz 400ns SGI MCS 8-9 */ 23010630b15SBryan O'Donoghue { 3900, 8, RX_ENC_VHT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_80 }, 23110630b15SBryan O'Donoghue { 4333, 9, RX_ENC_VHT, RX_ENC_FLAG_SHORT_GI, RATE_INFO_BW_80 }, 2320aa90483SLoic Poulain }; 2330aa90483SLoic Poulain 2348e84c258SEugene Krasnikov int wcn36xx_rx_skb(struct wcn36xx *wcn, struct sk_buff *skb) 2358e84c258SEugene Krasnikov { 2368e84c258SEugene Krasnikov struct ieee80211_rx_status status; 2370aa90483SLoic Poulain const struct wcn36xx_rate *rate; 2388e84c258SEugene Krasnikov struct ieee80211_hdr *hdr; 2398e84c258SEugene Krasnikov struct wcn36xx_rx_bd *bd; 2406ea131acSLoic Poulain struct ieee80211_supported_band *sband; 2418e84c258SEugene Krasnikov u16 fc, sn; 2428e84c258SEugene Krasnikov 2438e84c258SEugene Krasnikov /* 2448e84c258SEugene Krasnikov * All fields must be 0, otherwise it can lead to 2458e84c258SEugene Krasnikov * unexpected consequences. 2468e84c258SEugene Krasnikov */ 2478e84c258SEugene Krasnikov memset(&status, 0, sizeof(status)); 2488e84c258SEugene Krasnikov 2498e84c258SEugene Krasnikov bd = (struct wcn36xx_rx_bd *)skb->data; 2508e84c258SEugene Krasnikov buff_to_be((u32 *)bd, sizeof(*bd)/sizeof(u32)); 2518e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_RX_DUMP, 2528e84c258SEugene Krasnikov "BD <<< ", (char *)bd, 2538e84c258SEugene Krasnikov sizeof(struct wcn36xx_rx_bd)); 2548e84c258SEugene Krasnikov 2558e84c258SEugene Krasnikov skb_put(skb, bd->pdu.mpdu_header_off + bd->pdu.mpdu_len); 2568e84c258SEugene Krasnikov skb_pull(skb, bd->pdu.mpdu_header_off); 2578e84c258SEugene Krasnikov 25888603903SBjorn Andersson hdr = (struct ieee80211_hdr *) skb->data; 25988603903SBjorn Andersson fc = __le16_to_cpu(hdr->frame_control); 26088603903SBjorn Andersson sn = IEEE80211_SEQ_TO_SN(__le16_to_cpu(hdr->seq_ctrl)); 26188603903SBjorn Andersson 2628e84c258SEugene Krasnikov status.freq = WCN36XX_CENTER_FREQ(wcn); 2638e84c258SEugene Krasnikov status.band = WCN36XX_BAND(wcn); 26488603903SBjorn Andersson status.mactime = 10; 2658e84c258SEugene Krasnikov status.signal = -get_rssi0(bd); 2668e84c258SEugene Krasnikov status.antenna = 1; 2678e84c258SEugene Krasnikov status.flag = 0; 2688e84c258SEugene Krasnikov status.rx_flags = 0; 2698e84c258SEugene Krasnikov status.flag |= RX_FLAG_IV_STRIPPED | 2708e84c258SEugene Krasnikov RX_FLAG_MMIC_STRIPPED | 2718e84c258SEugene Krasnikov RX_FLAG_DECRYPTED; 2728e84c258SEugene Krasnikov 2737fdd69c5SJohannes Berg wcn36xx_dbg(WCN36XX_DBG_RX, "status.flags=%x\n", status.flag); 2748e84c258SEugene Krasnikov 2750aa90483SLoic Poulain if (bd->rate_id < ARRAY_SIZE(wcn36xx_rate_table)) { 2760aa90483SLoic Poulain rate = &wcn36xx_rate_table[bd->rate_id]; 2770aa90483SLoic Poulain status.encoding = rate->encoding; 2780aa90483SLoic Poulain status.enc_flags = rate->encoding_flags; 2790aa90483SLoic Poulain status.bw = rate->bw; 2800aa90483SLoic Poulain status.rate_idx = rate->mcs_or_legacy_index; 2816ea131acSLoic Poulain sband = wcn->hw->wiphy->bands[status.band]; 2821af05d43SBryan O'Donoghue status.nss = 1; 2836ea131acSLoic Poulain 2846ea131acSLoic Poulain if (status.band == NL80211_BAND_5GHZ && 2856ea131acSLoic Poulain status.encoding == RX_ENC_LEGACY && 2866ea131acSLoic Poulain status.rate_idx >= sband->n_bitrates) { 2876ea131acSLoic Poulain /* no dsss rates in 5Ghz rates table */ 2886ea131acSLoic Poulain status.rate_idx -= 4; 2896ea131acSLoic Poulain } 2900aa90483SLoic Poulain } else { 2910aa90483SLoic Poulain status.encoding = 0; 2920aa90483SLoic Poulain status.bw = 0; 2930aa90483SLoic Poulain status.enc_flags = 0; 2940aa90483SLoic Poulain status.rate_idx = 0; 2950aa90483SLoic Poulain } 2960aa90483SLoic Poulain 2978678fd31SLoic Poulain if (ieee80211_is_beacon(hdr->frame_control) || 2988678fd31SLoic Poulain ieee80211_is_probe_resp(hdr->frame_control)) 2998678fd31SLoic Poulain status.boottime_ns = ktime_get_boottime_ns(); 3008678fd31SLoic Poulain 301*8a27ca39SLoic Poulain if (bd->scan_learn) { 302*8a27ca39SLoic Poulain /* If packet originates from hardware scanning, extract the 303*8a27ca39SLoic Poulain * band/channel from bd descriptor. 304*8a27ca39SLoic Poulain */ 305*8a27ca39SLoic Poulain u8 hwch = (bd->reserved0 << 4) + bd->rx_ch; 306*8a27ca39SLoic Poulain 307*8a27ca39SLoic Poulain if (bd->rf_band != 1 && hwch <= sizeof(ab_rx_ch_map) && hwch >= 1) { 308*8a27ca39SLoic Poulain status.band = NL80211_BAND_5GHZ; 309*8a27ca39SLoic Poulain status.freq = ieee80211_channel_to_frequency(ab_rx_ch_map[hwch - 1], 310*8a27ca39SLoic Poulain status.band); 311*8a27ca39SLoic Poulain } else { 312*8a27ca39SLoic Poulain status.band = NL80211_BAND_2GHZ; 313*8a27ca39SLoic Poulain status.freq = ieee80211_channel_to_frequency(hwch, status.band); 314*8a27ca39SLoic Poulain } 315*8a27ca39SLoic Poulain } 316*8a27ca39SLoic Poulain 3178e84c258SEugene Krasnikov memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 3188e84c258SEugene Krasnikov 3198e84c258SEugene Krasnikov if (ieee80211_is_beacon(hdr->frame_control)) { 3208e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_BEACON, "beacon skb %p len %d fc %04x sn %d\n", 3218e84c258SEugene Krasnikov skb, skb->len, fc, sn); 3228e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_BEACON_DUMP, "SKB <<< ", 3238e84c258SEugene Krasnikov (char *)skb->data, skb->len); 3248e84c258SEugene Krasnikov } else { 3258e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_RX, "rx skb %p len %d fc %04x sn %d\n", 3268e84c258SEugene Krasnikov skb, skb->len, fc, sn); 3278e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_RX_DUMP, "SKB <<< ", 3288e84c258SEugene Krasnikov (char *)skb->data, skb->len); 3298e84c258SEugene Krasnikov } 3308e84c258SEugene Krasnikov 3318e84c258SEugene Krasnikov ieee80211_rx_irqsafe(wcn->hw, skb); 3328e84c258SEugene Krasnikov 3338e84c258SEugene Krasnikov return 0; 3348e84c258SEugene Krasnikov } 3358e84c258SEugene Krasnikov 3368e84c258SEugene Krasnikov static void wcn36xx_set_tx_pdu(struct wcn36xx_tx_bd *bd, 3378e84c258SEugene Krasnikov u32 mpdu_header_len, 3388e84c258SEugene Krasnikov u32 len, 3398e84c258SEugene Krasnikov u16 tid) 3408e84c258SEugene Krasnikov { 3418e84c258SEugene Krasnikov bd->pdu.mpdu_header_len = mpdu_header_len; 3428e84c258SEugene Krasnikov bd->pdu.mpdu_header_off = sizeof(*bd); 3438e84c258SEugene Krasnikov bd->pdu.mpdu_data_off = bd->pdu.mpdu_header_len + 3448e84c258SEugene Krasnikov bd->pdu.mpdu_header_off; 3458e84c258SEugene Krasnikov bd->pdu.mpdu_len = len; 3468e84c258SEugene Krasnikov bd->pdu.tid = tid; 34784aff52eSLoic Poulain /* Use seq number generated by mac80211 */ 34884aff52eSLoic Poulain bd->pdu.bd_ssn = WCN36XX_TXBD_SSN_FILL_HOST; 3498e84c258SEugene Krasnikov } 3508e84c258SEugene Krasnikov 3518e84c258SEugene Krasnikov static inline struct wcn36xx_vif *get_vif_by_addr(struct wcn36xx *wcn, 3528e84c258SEugene Krasnikov u8 *addr) 3538e84c258SEugene Krasnikov { 3548e84c258SEugene Krasnikov struct wcn36xx_vif *vif_priv = NULL; 3558e84c258SEugene Krasnikov struct ieee80211_vif *vif = NULL; 3568e84c258SEugene Krasnikov list_for_each_entry(vif_priv, &wcn->vif_list, list) { 357ce75877fSPontus Fuchs vif = wcn36xx_priv_to_vif(vif_priv); 3588e84c258SEugene Krasnikov if (memcmp(vif->addr, addr, ETH_ALEN) == 0) 3598e84c258SEugene Krasnikov return vif_priv; 3608e84c258SEugene Krasnikov } 3618e84c258SEugene Krasnikov wcn36xx_warn("vif %pM not found\n", addr); 3628e84c258SEugene Krasnikov return NULL; 3638e84c258SEugene Krasnikov } 364e26dc173SBob Copeland 365e26dc173SBob Copeland static void wcn36xx_tx_start_ampdu(struct wcn36xx *wcn, 366e26dc173SBob Copeland struct wcn36xx_sta *sta_priv, 367e26dc173SBob Copeland struct sk_buff *skb) 368e26dc173SBob Copeland { 369e26dc173SBob Copeland struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 370e26dc173SBob Copeland struct ieee80211_sta *sta; 371e26dc173SBob Copeland u8 *qc, tid; 372e26dc173SBob Copeland 373e26dc173SBob Copeland if (!conf_is_ht(&wcn->hw->conf)) 374e26dc173SBob Copeland return; 375e26dc173SBob Copeland 376e26dc173SBob Copeland sta = wcn36xx_priv_to_sta(sta_priv); 377e26dc173SBob Copeland 378e26dc173SBob Copeland if (WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) 379e26dc173SBob Copeland return; 380e26dc173SBob Copeland 381e26dc173SBob Copeland if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO) 382e26dc173SBob Copeland return; 383e26dc173SBob Copeland 384e26dc173SBob Copeland qc = ieee80211_get_qos_ctl(hdr); 385e26dc173SBob Copeland tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK; 386e26dc173SBob Copeland 387e26dc173SBob Copeland spin_lock(&sta_priv->ampdu_lock); 388e26dc173SBob Copeland if (sta_priv->ampdu_state[tid] != WCN36XX_AMPDU_NONE) 389e26dc173SBob Copeland goto out_unlock; 390e26dc173SBob Copeland 391e26dc173SBob Copeland if (sta_priv->non_agg_frame_ct++ >= WCN36XX_AMPDU_START_THRESH) { 392e26dc173SBob Copeland sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_START; 393e26dc173SBob Copeland sta_priv->non_agg_frame_ct = 0; 394e26dc173SBob Copeland ieee80211_start_tx_ba_session(sta, tid, 0); 395e26dc173SBob Copeland } 396e26dc173SBob Copeland out_unlock: 397e26dc173SBob Copeland spin_unlock(&sta_priv->ampdu_lock); 398e26dc173SBob Copeland } 399e26dc173SBob Copeland 4008e84c258SEugene Krasnikov static void wcn36xx_set_tx_data(struct wcn36xx_tx_bd *bd, 4018e84c258SEugene Krasnikov struct wcn36xx *wcn, 4028e84c258SEugene Krasnikov struct wcn36xx_vif **vif_priv, 4038e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv, 4045f3f9285SBob Copeland struct sk_buff *skb, 4058e84c258SEugene Krasnikov bool bcast) 4068e84c258SEugene Krasnikov { 4075f3f9285SBob Copeland struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 408512b191dSLoic Poulain struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 4098e84c258SEugene Krasnikov struct ieee80211_vif *vif = NULL; 4108e84c258SEugene Krasnikov struct wcn36xx_vif *__vif_priv = NULL; 411512b191dSLoic Poulain bool is_data_qos = ieee80211_is_data_qos(hdr->frame_control); 412512b191dSLoic Poulain u16 tid = 0; 413e26dc173SBob Copeland 4148e84c258SEugene Krasnikov bd->bd_rate = WCN36XX_BD_RATE_DATA; 4158e84c258SEugene Krasnikov 4168e84c258SEugene Krasnikov /* 4178e84c258SEugene Krasnikov * For not unicast frames mac80211 will not set sta pointer so use 4188e84c258SEugene Krasnikov * self_sta_index instead. 4198e84c258SEugene Krasnikov */ 4208e84c258SEugene Krasnikov if (sta_priv) { 4218e84c258SEugene Krasnikov __vif_priv = sta_priv->vif; 422ce75877fSPontus Fuchs vif = wcn36xx_priv_to_vif(__vif_priv); 4238e84c258SEugene Krasnikov 42482cad2a0SPontus Fuchs bd->dpu_sign = sta_priv->ucast_dpu_sign; 4258e84c258SEugene Krasnikov if (vif->type == NL80211_IFTYPE_STATION) { 4268e84c258SEugene Krasnikov bd->sta_index = sta_priv->bss_sta_index; 4278e84c258SEugene Krasnikov bd->dpu_desc_idx = sta_priv->bss_dpu_desc_index; 4288e84c258SEugene Krasnikov } else if (vif->type == NL80211_IFTYPE_AP || 4298e84c258SEugene Krasnikov vif->type == NL80211_IFTYPE_ADHOC || 4308e84c258SEugene Krasnikov vif->type == NL80211_IFTYPE_MESH_POINT) { 4318e84c258SEugene Krasnikov bd->sta_index = sta_priv->sta_index; 4328e84c258SEugene Krasnikov bd->dpu_desc_idx = sta_priv->dpu_desc_index; 4338e84c258SEugene Krasnikov } 4348e84c258SEugene Krasnikov } else { 4358e84c258SEugene Krasnikov __vif_priv = get_vif_by_addr(wcn, hdr->addr2); 4368e84c258SEugene Krasnikov bd->sta_index = __vif_priv->self_sta_index; 4378e84c258SEugene Krasnikov bd->dpu_desc_idx = __vif_priv->self_dpu_desc_index; 4382ba0b461SPontus Fuchs bd->dpu_sign = __vif_priv->self_ucast_dpu_sign; 43982cad2a0SPontus Fuchs } 4408e84c258SEugene Krasnikov 441512b191dSLoic Poulain if (is_data_qos) { 442512b191dSLoic Poulain tid = ieee80211_get_tid(hdr); 443512b191dSLoic Poulain /* TID->QID is one-to-one mapping */ 444512b191dSLoic Poulain bd->queue_id = tid; 445512b191dSLoic Poulain } 446512b191dSLoic Poulain 447512b191dSLoic Poulain if (info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT || 448fdf21cc3SLoic Poulain (sta_priv && !sta_priv->is_data_encrypted)) { 4498e84c258SEugene Krasnikov bd->dpu_ne = 1; 450fdf21cc3SLoic Poulain } 4518e84c258SEugene Krasnikov 452512b191dSLoic Poulain if (ieee80211_is_any_nullfunc(hdr->frame_control)) { 453512b191dSLoic Poulain /* Don't use a regular queue for null packet (no ampdu) */ 454512b191dSLoic Poulain bd->queue_id = WCN36XX_TX_U_WQ_ID; 455d3fd2c95SLoic Poulain bd->bd_rate = WCN36XX_BD_RATE_CTRL; 456512b191dSLoic Poulain } 457512b191dSLoic Poulain 4588e84c258SEugene Krasnikov if (bcast) { 4598e84c258SEugene Krasnikov bd->ub = 1; 4608e84c258SEugene Krasnikov bd->ack_policy = 1; 4618e84c258SEugene Krasnikov } 4628e84c258SEugene Krasnikov *vif_priv = __vif_priv; 4635f3f9285SBob Copeland 4645f3f9285SBob Copeland wcn36xx_set_tx_pdu(bd, 465e26dc173SBob Copeland is_data_qos ? 4665f3f9285SBob Copeland sizeof(struct ieee80211_qos_hdr) : 4675f3f9285SBob Copeland sizeof(struct ieee80211_hdr_3addr), 468512b191dSLoic Poulain skb->len, tid); 469e26dc173SBob Copeland 470e26dc173SBob Copeland if (sta_priv && is_data_qos) 471e26dc173SBob Copeland wcn36xx_tx_start_ampdu(wcn, sta_priv, skb); 4728e84c258SEugene Krasnikov } 4738e84c258SEugene Krasnikov 4748e84c258SEugene Krasnikov static void wcn36xx_set_tx_mgmt(struct wcn36xx_tx_bd *bd, 4758e84c258SEugene Krasnikov struct wcn36xx *wcn, 4768e84c258SEugene Krasnikov struct wcn36xx_vif **vif_priv, 4775f3f9285SBob Copeland struct sk_buff *skb, 4788e84c258SEugene Krasnikov bool bcast) 4798e84c258SEugene Krasnikov { 4805f3f9285SBob Copeland struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 4818e84c258SEugene Krasnikov struct wcn36xx_vif *__vif_priv = 4828e84c258SEugene Krasnikov get_vif_by_addr(wcn, hdr->addr2); 4838e84c258SEugene Krasnikov bd->sta_index = __vif_priv->self_sta_index; 4848e84c258SEugene Krasnikov bd->dpu_desc_idx = __vif_priv->self_dpu_desc_index; 4858e84c258SEugene Krasnikov bd->dpu_ne = 1; 4868e84c258SEugene Krasnikov 4878e84c258SEugene Krasnikov /* default rate for unicast */ 4888e84c258SEugene Krasnikov if (ieee80211_is_mgmt(hdr->frame_control)) 48957fbcce3SJohannes Berg bd->bd_rate = (WCN36XX_BAND(wcn) == NL80211_BAND_5GHZ) ? 4908e84c258SEugene Krasnikov WCN36XX_BD_RATE_CTRL : 4918e84c258SEugene Krasnikov WCN36XX_BD_RATE_MGMT; 4928e84c258SEugene Krasnikov else if (ieee80211_is_ctl(hdr->frame_control)) 4938e84c258SEugene Krasnikov bd->bd_rate = WCN36XX_BD_RATE_CTRL; 4948e84c258SEugene Krasnikov else 4958e84c258SEugene Krasnikov wcn36xx_warn("frame control type unknown\n"); 4968e84c258SEugene Krasnikov 4978e84c258SEugene Krasnikov /* 4988e84c258SEugene Krasnikov * In joining state trick hardware that probe is sent as 4998e84c258SEugene Krasnikov * unicast even if address is broadcast. 5008e84c258SEugene Krasnikov */ 5018e84c258SEugene Krasnikov if (__vif_priv->is_joining && 5028e84c258SEugene Krasnikov ieee80211_is_probe_req(hdr->frame_control)) 5038e84c258SEugene Krasnikov bcast = false; 5048e84c258SEugene Krasnikov 5058e84c258SEugene Krasnikov if (bcast) { 5068e84c258SEugene Krasnikov /* broadcast */ 5078e84c258SEugene Krasnikov bd->ub = 1; 5088e84c258SEugene Krasnikov /* No ack needed not unicast */ 5098e84c258SEugene Krasnikov bd->ack_policy = 1; 5108e84c258SEugene Krasnikov bd->queue_id = WCN36XX_TX_B_WQ_ID; 5118e84c258SEugene Krasnikov } else 5128e84c258SEugene Krasnikov bd->queue_id = WCN36XX_TX_U_WQ_ID; 5138e84c258SEugene Krasnikov *vif_priv = __vif_priv; 5145f3f9285SBob Copeland 5155f3f9285SBob Copeland wcn36xx_set_tx_pdu(bd, 5165f3f9285SBob Copeland ieee80211_is_data_qos(hdr->frame_control) ? 5175f3f9285SBob Copeland sizeof(struct ieee80211_qos_hdr) : 5185f3f9285SBob Copeland sizeof(struct ieee80211_hdr_3addr), 5195f3f9285SBob Copeland skb->len, WCN36XX_TID); 5208e84c258SEugene Krasnikov } 5218e84c258SEugene Krasnikov 5228e84c258SEugene Krasnikov int wcn36xx_start_tx(struct wcn36xx *wcn, 5238e84c258SEugene Krasnikov struct wcn36xx_sta *sta_priv, 5248e84c258SEugene Krasnikov struct sk_buff *skb) 5258e84c258SEugene Krasnikov { 5268e84c258SEugene Krasnikov struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 5278e84c258SEugene Krasnikov struct wcn36xx_vif *vif_priv = NULL; 5288e84c258SEugene Krasnikov struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 5298e84c258SEugene Krasnikov bool is_low = ieee80211_is_data(hdr->frame_control); 5308e84c258SEugene Krasnikov bool bcast = is_broadcast_ether_addr(hdr->addr1) || 5318e84c258SEugene Krasnikov is_multicast_ether_addr(hdr->addr1); 532a9e79b11SLoic Poulain bool ack_ind = (info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS) && 533a9e79b11SLoic Poulain !(info->flags & IEEE80211_TX_CTL_NO_ACK); 534e5f99081SLoic Poulain struct wcn36xx_tx_bd bd; 535271f1e65SDaniel Mack int ret; 5368e84c258SEugene Krasnikov 537e5f99081SLoic Poulain memset(&bd, 0, sizeof(bd)); 5388e84c258SEugene Krasnikov 5398e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_TX, 5408e84c258SEugene Krasnikov "tx skb %p len %d fc %04x sn %d %s %s\n", 5418e84c258SEugene Krasnikov skb, skb->len, __le16_to_cpu(hdr->frame_control), 5428e84c258SEugene Krasnikov IEEE80211_SEQ_TO_SN(__le16_to_cpu(hdr->seq_ctrl)), 5438e84c258SEugene Krasnikov is_low ? "low" : "high", bcast ? "bcast" : "ucast"); 5448e84c258SEugene Krasnikov 5458e84c258SEugene Krasnikov wcn36xx_dbg_dump(WCN36XX_DBG_TX_DUMP, "", skb->data, skb->len); 5468e84c258SEugene Krasnikov 547e5f99081SLoic Poulain bd.dpu_rf = WCN36XX_BMU_WQ_TX; 5488e84c258SEugene Krasnikov 549a9e79b11SLoic Poulain if (unlikely(ack_ind)) { 5508e84c258SEugene Krasnikov wcn36xx_dbg(WCN36XX_DBG_DXE, "TX_ACK status requested\n"); 551fdf21cc3SLoic Poulain 5528e84c258SEugene Krasnikov /* Only one at a time is supported by fw. Stop the TX queues 5538e84c258SEugene Krasnikov * until the ack status gets back. 5548e84c258SEugene Krasnikov */ 5558e84c258SEugene Krasnikov ieee80211_stop_queues(wcn->hw); 556fdf21cc3SLoic Poulain 557fdf21cc3SLoic Poulain /* Request ack indication from the firmware */ 558fdf21cc3SLoic Poulain bd.tx_comp = 1; 5598e84c258SEugene Krasnikov } 5608e84c258SEugene Krasnikov 5618e84c258SEugene Krasnikov /* Data frames served first*/ 5625f3f9285SBob Copeland if (is_low) 563e5f99081SLoic Poulain wcn36xx_set_tx_data(&bd, wcn, &vif_priv, sta_priv, skb, bcast); 5645f3f9285SBob Copeland else 5658e84c258SEugene Krasnikov /* MGMT and CTRL frames are handeld here*/ 566e5f99081SLoic Poulain wcn36xx_set_tx_mgmt(&bd, wcn, &vif_priv, skb, bcast); 5678e84c258SEugene Krasnikov 568e5f99081SLoic Poulain buff_to_be((u32 *)&bd, sizeof(bd)/sizeof(u32)); 569e5f99081SLoic Poulain bd.tx_bd_sign = 0xbdbdbdbd; 5708e84c258SEugene Krasnikov 571271f1e65SDaniel Mack ret = wcn36xx_dxe_tx_frame(wcn, vif_priv, &bd, skb, is_low); 572a9e79b11SLoic Poulain if (unlikely(ret && ack_ind)) { 573a9e79b11SLoic Poulain /* If the skb has not been transmitted, resume TX queue */ 574271f1e65SDaniel Mack ieee80211_wake_queues(wcn->hw); 575271f1e65SDaniel Mack } 576271f1e65SDaniel Mack 577271f1e65SDaniel Mack return ret; 5788e84c258SEugene Krasnikov } 579