All of lore.kernel.org
 help / color / mirror / Atom feed
From: Luca Coelho <luca@coelho.fi>
To: linux-wireless@vger.kernel.org
Cc: kvalo@codeaurora.org, Sara Sharon <sara.sharon@intel.com>,
	Luca Coelho <luciano.coelho@intel.com>
Subject: [PATCH 01/25] iwlwifi: mvm: support new rate flags
Date: Tue, 25 Apr 2017 23:22:19 +0300	[thread overview]
Message-ID: <20170425202243.7844-2-luca@coelho.fi> (raw)
In-Reply-To: <20170425202243.7844-1-luca@coelho.fi>

From: Sara Sharon <sara.sharon@intel.com>

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>
---
 drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rs.h | 28 +++++++++++++++++-----
 drivers/net/wireless/intel/iwlwifi/mvm/rs.c        | 11 ++++-----
 drivers/net/wireless/intel/iwlwifi/mvm/rx.c        |  4 ++--
 drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c      |  4 ++--
 4 files changed, 31 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rs.h
index ad9cc03e16c4..1b7d265ffb0a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rs.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rs.h
@@ -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
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index ce907c58ebf6..7788eefcd2bd 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -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 " : "");
 }
 
 /**
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
index d4c0ca7ccb34..d7c8e7de960b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
@@ -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) >>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 24c4fbe139a3..362b240da65c 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -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) >>
-- 
2.11.0

  reply	other threads:[~2017-04-25 20:23 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-25 20:22 [PATCH 00/25] iwlwifi: updates intended for v4.12 2017-04-25 Luca Coelho
2017-04-25 20:22 ` Luca Coelho [this message]
2017-04-25 20:22 ` [PATCH 02/25] iwlwifi: mvm: make iwl_run_unified_mvm_ucode() static Luca Coelho
2017-04-25 20:22 ` [PATCH 03/25] iwlwifi: mvm: check if returned value is NULL Luca Coelho
2017-04-25 20:22 ` [PATCH 04/25] iwlwifi: mvm: scan: avoid "big" prints Luca Coelho
2017-04-25 20:22 ` [PATCH 05/25] iwlwifi: mvm: handle possible BIOS bug Luca Coelho
2017-04-25 20:22 ` [PATCH 06/25] iwlwifi: mvm: freeze 7265D and 3168 on API version 29 Luca Coelho
2017-04-25 20:22 ` [PATCH 07/25] iwlwifi: mvm: avoid variable shadowing Luca Coelho
2017-04-25 20:22 ` [PATCH 08/25] iwlwifi: pcie: support debug applying on a000 hw Luca Coelho
2017-04-25 20:22 ` [PATCH 09/25] iwlwifi: mvm: don't reserve queue in TVQM mode Luca Coelho
2017-04-25 20:22 ` [PATCH 10/25] iwlwifi: mvm: Ignore wifi mcc update in the driver while associated Luca Coelho
2017-04-25 20:22 ` [PATCH 11/25] iwlwifi: mvm: map cab_queue to different txq_id Luca Coelho
2017-04-25 20:22 ` [PATCH 12/25] iwlwifi: mvm: move internally to use bigger INVALID_TXQ Luca Coelho
2017-04-25 20:22 ` [PATCH 13/25] iwlwifi: mvm: remove color definition Luca Coelho
2017-04-25 20:22 ` [PATCH 14/25] iwlwifi: mvm: use defines instead of variables for shared dwell times Luca Coelho
2017-04-25 20:22 ` [PATCH 15/25] iwlwifi: pcie: remove superfluous trans->dev assignment Luca Coelho
2017-04-25 20:22 ` [PATCH 16/25] iwlwifi: don't leak memory on allocation failure Luca Coelho
2017-04-25 20:22 ` [PATCH 17/25] iwlwifi: remove module loading failure message Luca Coelho
2017-04-25 20:22 ` [PATCH 18/25] iwlwifi: gen2: support nmi triggering from host Luca Coelho
2017-04-25 20:22 ` [PATCH 19/25] iwlwifi: mvm: remove references to queue_info in new TX path Luca Coelho
2017-04-25 20:22 ` [PATCH 20/25] iwlwifi: mvm: support station type API Luca Coelho
2017-04-25 20:22 ` [PATCH 21/25] iwlwifi: move to 512 queues Luca Coelho
2017-04-25 20:22 ` [PATCH 22/25] iwlwifi: rename wait_for_tx_queues_empty Luca Coelho
2017-04-25 20:22 ` [PATCH 23/25] iwlwifi: mvm: memset binding before setting values Luca Coelho
2017-04-25 20:22 ` [PATCH 24/25] iwlwifi: pcie: apply no-reclaim logic only to group 0 Luca Coelho
2017-04-25 20:22 ` [PATCH 25/25] iwlwifi: adjust NVM parsing APIs for new a000 method Luca Coelho

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170425202243.7844-2-luca@coelho.fi \
    --to=luca@coelho.fi \
    --cc=kvalo@codeaurora.org \
    --cc=linux-wireless@vger.kernel.org \
    --cc=luciano.coelho@intel.com \
    --cc=sara.sharon@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.