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iwlwifi: mvm: support new rate flags 

Rates were changed to adapt to HE. Change is backward compatible.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Sara Sharon 2017-01-11 11:58:38 +02:00 committed by Luca Coelho
parent a0597834dc
commit 77e409455f
4 changed files with 31 additions and 16 deletions
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28
drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rs.h
View File

@ -6,6 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2017 Intel Deutschland GmbH
*
* 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
@ -31,6 +32,7 @@
* BSD LICENSE
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2017 Intel Deutschland GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -227,6 +229,9 @@ enum {
*/
#define RATE_LEGACY_RATE_MSK 0xff
/* Bit 10 - OFDM HE */
#define RATE_MCS_OFDM_HE_POS 10
#define RATE_MCS_OFDM_HE_MSK BIT(RATE_MCS_OFDM_HE_POS)
/*
* Bit 11-12: (0) 20MHz, (1) 40MHz, (2) 80MHz, (3) 160MHz
@ -255,18 +260,29 @@ enum {
#define RATE_MCS_ANT_MSK RATE_MCS_ANT_ABC_MSK
#define RATE_MCS_ANT_NUM 3
/* Bit 17-18: (0) SS, (1) SS*2 */
/* Bit 17: (0) SS, (1) SS*2 */
#define RATE_MCS_STBC_POS 17
#define RATE_MCS_HT_STBC_MSK (3 << RATE_MCS_STBC_POS)
#define RATE_MCS_VHT_STBC_MSK (1 << RATE_MCS_STBC_POS)
#define RATE_MCS_STBC_MSK BIT(RATE_MCS_STBC_POS)
/* Bit 18: OFDM-HE dual carrier mode */
#define RATE_HE_DUAL_CARRIER_MODE 18
#define RATE_HE_DUAL_CARRIER_MODE_MSK BIT(RATE_HE_DUAL_CARRIER_MODE)
/* Bit 19: (0) Beamforming is off, (1) Beamforming is on */
#define RATE_MCS_BF_POS 19
#define RATE_MCS_BF_MSK (1 << RATE_MCS_BF_POS)
/* Bit 20: (0) ZLF is off, (1) ZLF is on */
#define RATE_MCS_ZLF_POS 20
#define RATE_MCS_ZLF_MSK (1 << RATE_MCS_ZLF_POS)
/*
* Bit 20-21: HE guard interval and LTF type.
* (0) 1xLTF+1.6us, (1) 2xLTF+0.8us,
* (2) 2xLTF+1.6us, (3) 4xLTF+3.2us
*/
#define RATE_MCS_HE_GI_LTF_POS 20
#define RATE_MCS_HE_GI_LTF_MSK (3 << RATE_MCS_HE_GI_LTF_POS)
/* Bit 22-23: HE type. (0) SU, (1) SU_EXT, (2) MU, (3) trigger based */
#define RATE_MCS_HE_TYPE_POS 22
#define RATE_MCS_HE_TYPE_MSK (3 << RATE_MCS_HE_TYPE_POS)
/* Bit 24-25: (0) 20MHz (no dup), (1) 2x20MHz, (2) 4x20MHz, 3 8x20MHz */
#define RATE_MCS_DUP_POS 24

11
drivers/net/wireless/intel/iwlwifi/mvm/rs.c
View File

@ -826,7 +826,7 @@ static u32 ucode_rate_from_rs_rate(struct iwl_mvm *mvm,
if (is_siso(rate) && rate->stbc) {
/* To enable STBC we need to set both a flag and ANT_AB */
ucode_rate |= RATE_MCS_ANT_AB_MSK;
ucode_rate |= RATE_MCS_VHT_STBC_MSK;
ucode_rate |= RATE_MCS_STBC_MSK;
}
ucode_rate |= rate->bw;
@ -873,7 +873,7 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate,
rate->sgi = true;
if (ucode_rate & RATE_MCS_LDPC_MSK)
rate->ldpc = true;
if (ucode_rate & RATE_MCS_VHT_STBC_MSK)
if (ucode_rate & RATE_MCS_STBC_MSK)
rate->stbc = true;
if (ucode_rate & RATE_MCS_BF_MSK)
rate->bfer = true;
@ -3641,13 +3641,12 @@ int rs_pretty_print_rate(char *buf, const u32 rate)
bw = "BAD BW";
}
return sprintf(buf, "%s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s%s\n",
return sprintf(buf, "%s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s\n",
type, rs_pretty_ant(ant), bw, mcs, nss,
(rate & RATE_MCS_SGI_MSK) ? "SGI " : "NGI ",
(rate & RATE_MCS_HT_STBC_MSK) ? "STBC " : "",
(rate & RATE_MCS_STBC_MSK) ? "STBC " : "",
(rate & RATE_MCS_LDPC_MSK) ? "LDPC " : "",
(rate & RATE_MCS_BF_MSK) ? "BF " : "",
(rate & RATE_MCS_ZLF_MSK) ? "ZLF " : "");
(rate & RATE_MCS_BF_MSK) ? "BF " : "");
}
/**

4
drivers/net/wireless/intel/iwlwifi/mvm/rx.c
View File

@ -443,13 +443,13 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
if (rate_n_flags & RATE_MCS_LDPC_MSK)
rx_status->flag |= RX_FLAG_LDPC;
if (rate_n_flags & RATE_MCS_HT_MSK) {
u8 stbc = (rate_n_flags & RATE_MCS_HT_STBC_MSK) >>
u8 stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >>
RATE_MCS_STBC_POS;
rx_status->flag |= RX_FLAG_HT;
rx_status->rate_idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK;
rx_status->flag |= stbc << RX_FLAG_STBC_SHIFT;
} else if (rate_n_flags & RATE_MCS_VHT_MSK) {
u8 stbc = (rate_n_flags & RATE_MCS_VHT_STBC_MSK) >>
u8 stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >>
RATE_MCS_STBC_POS;
rx_status->vht_nss =
((rate_n_flags & RATE_VHT_MCS_NSS_MSK) >>

4
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
View File

@ -974,13 +974,13 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
if (rate_n_flags & RATE_MCS_LDPC_MSK)
rx_status->flag |= RX_FLAG_LDPC;
if (rate_n_flags & RATE_MCS_HT_MSK) {
u8 stbc = (rate_n_flags & RATE_MCS_HT_STBC_MSK) >>
u8 stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >>
RATE_MCS_STBC_POS;
rx_status->flag |= RX_FLAG_HT;
rx_status->rate_idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK;
rx_status->flag |= stbc << RX_FLAG_STBC_SHIFT;
} else if (rate_n_flags & RATE_MCS_VHT_MSK) {
u8 stbc = (rate_n_flags & RATE_MCS_VHT_STBC_MSK) >>
u8 stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >>
RATE_MCS_STBC_POS;
rx_status->vht_nss =
((rate_n_flags & RATE_VHT_MCS_NSS_MSK) >>