[v3,08/41] net: mac802154: Convert the symbol duration into nanoseconds

Message ID	20220117115440.60296-9-miquel.raynal@bootlin.com (mailing list archive)
State	Not Applicable
Delegated to:	Johannes Berg
Headers	show Return-Path: <linux-wireless-owner@kernel.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 32C85C43219 for <linux-wireless@archiver.kernel.org>; Mon, 17 Jan 2022 11:55:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239325AbiAQLzD (ORCPT <rfc822;linux-wireless@archiver.kernel.org>); Mon, 17 Jan 2022 06:55:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59282 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239320AbiAQLzB (ORCPT <rfc822;linux-wireless@vger.kernel.org>); Mon, 17 Jan 2022 06:55:01 -0500 Received: from relay12.mail.gandi.net (relay12.mail.gandi.net [IPv6:2001:4b98:dc4:8::232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B54EC061574; Mon, 17 Jan 2022 03:54:59 -0800 (PST) Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id B0C8120000D; Mon, 17 Jan 2022 11:54:56 +0000 (UTC) From: Miquel Raynal <miquel.raynal@bootlin.com> To: Alexander Aring <alex.aring@gmail.com>, Stefan Schmidt <stefan@datenfreihafen.org>, linux-wpan@vger.kernel.org Cc: netdev@vger.kernel.org, linux-wireless@vger.kernel.org, David Girault <david.girault@qorvo.com>, Romuald Despres <romuald.despres@qorvo.com>, Frederic Blain <frederic.blain@qorvo.com>, Nicolas Schodet <nico@ni.fr.eu.org>, Michael Hennerich <michael.hennerich@analog.com>, Jakub Kicinski <kuba@kernel.org>, Varka Bhadram <varkabhadram@gmail.com>, Xue Liu <liuxuenetmail@gmail.com>, Alan Ott <alan@signal11.us>, Thomas Petazzoni <thomas.petazzoni@bootlin.com>, Miquel Raynal <miquel.raynal@bootlin.com> Subject: [PATCH v3 08/41] net: mac802154: Convert the symbol duration into nanoseconds Date: Mon, 17 Jan 2022 12:54:07 +0100 Message-Id: <20220117115440.60296-9-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220117115440.60296-1-miquel.raynal@bootlin.com> References: <20220117115440.60296-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <linux-wireless.vger.kernel.org> X-Mailing-List: linux-wireless@vger.kernel.org
Series	IEEE 802.15.4 scan support \| expand [v3,00/41] IEEE 802.15.4 scan support [v3,01/41] MAINTAINERS: Remove Harry Morris bouncing address [v3,02/41] net: ieee802154: hwsim: Ensure proper channel selection at probe time [v3,03/41] net: ieee802154: hwsim: Ensure frame checksum are valid [v3,04/41] net: ieee802154: Use the IEEE802154_MAX_PAGE define when relevant [v3,05/41] net: ieee802154: Improve the way supported channels are declared [v3,06/41] net: ieee802154: Give more details to the core about the channel configurations [v3,07/41] net: ieee802154: mcr20a: Fix lifs/sifs periods [v3,08/41] net: mac802154: Convert the symbol duration into nanoseconds [v3,09/41] net: mac802154: Set the symbol duration automatically [v3,10/41] net: ieee802154: Drop duration settings when the core does it already [v3,11/41] net: ieee802154: Move IEEE 802.15.4 Kconfig main entry [v3,12/41] net: mac802154: Include the softMAC stack inside the IEEE 802.15.4 menu [v3,13/41] net: ieee802154: Move the address structure earlier [v3,14/41] net: ieee802154: Add a kernel doc header to the ieee802154_addr structure [v3,15/41] net: ieee802154: Return meaningful error codes from the netlink helpers [v3,16/41] net: mac802154: Explain the use of ieee802154_wake/stop_queue() [v3,17/41] net: ieee802154: at86rf230: Call the complete helper when a transmission is over [v3,18/41] net: ieee802154: atusb: Call the complete helper when a transmission is over [v3,19/41] net: ieee802154: ca8210: Call the complete helper when a transmission is over [v3,20/41] net: mac802154: Stop exporting ieee802154_wake/stop_queue() [v3,21/41] net: mac802154: Rename the synchronous xmit worker [v3,22/41] net: mac802154: Rename the main tx_work struct [v3,23/41] net: mac802154: Follow the count of ongoing transmissions [v3,24/41] net: mac802154: Hold the transmit queue when relevant [v3,25/41] net: mac802154: Create a hot tx path [v3,26/41] net: mac802154: Add a warning in the hot path [v3,27/41] net: mac802154: Introduce a tx queue flushing mechanism [v3,28/41] net: mac802154: Introduce a synchronous API for MLME commands [v3,29/41] net: ieee802154: Add support for internal PAN management [v3,30/41] net: ieee802154: Define a beacon frame header [v3,31/41] net: ieee802154: Define frame types [v3,32/41] net: ieee802154: Add support for scanning requests [v3,33/41] net: mac802154: Handle scan requests [v3,34/41] net: ieee802154: Full PAN management [v3,35/41] net: ieee802154: Add beacons support [v3,36/41] net: mac802154: Handle beacons requests [v3,37/41] net: ieee802154: Trace the registration of new PANs [v3,38/41] net: mac802154: Add support for active scans [v3,39/41] net: mac802154: Add support for processing beacon requests [v3,40/41] net: ieee802154: Handle limited devices with only datagram support [v3,41/41] net: ieee802154: ca8210: Flag the driver as being limited

diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c index 1feabeed17fb..e58b0dc64364 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -1066,24 +1066,24 @@ at86rf212_set_channel(struct at86rf230_local *lp, u8 page, u8 channel) if (channel == 0) { if (page == 0) { /* SUB:0 and BPSK:0 -> BPSK-20 */ - lp->hw->phy->symbol_duration = 50; + lp->hw->phy->symbol_duration = 50 * NSEC_PER_USEC; } else { /* SUB:1 and BPSK:0 -> BPSK-40 */ - lp->hw->phy->symbol_duration = 25; + lp->hw->phy->symbol_duration = 25 * NSEC_PER_USEC; } } else { if (page == 0) /* SUB:0 and BPSK:1 -> OQPSK-100/200/400 */ - lp->hw->phy->symbol_duration = 40; + lp->hw->phy->symbol_duration = 40 * NSEC_PER_USEC; else /* SUB:1 and BPSK:1 -> OQPSK-250/500/1000 */ - lp->hw->phy->symbol_duration = 16; + lp->hw->phy->symbol_duration = 16 * NSEC_PER_USEC; } - lp->hw->phy->lifs_period = IEEE802154_LIFS_PERIOD * - lp->hw->phy->symbol_duration; - lp->hw->phy->sifs_period = IEEE802154_SIFS_PERIOD * - lp->hw->phy->symbol_duration; + lp->hw->phy->lifs_period = + (IEEE802154_LIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000; + lp->hw->phy->sifs_period = + (IEEE802154_SIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000; return at86rf230_write_subreg(lp, SR_CHANNEL, channel); } @@ -1563,7 +1563,7 @@ at86rf230_detect_device(struct at86rf230_local *lp) lp->hw->phy->supported.page[0].chunk[0].protocol = IEEE802154_OQPSK_PHY; lp->hw->phy->supported.page[0].chunk[0].band = IEEE802154_2400_MHZ_BAND; lp->hw->phy->current_channel = 11; - lp->hw->phy->symbol_duration = 16; + lp->hw->phy->symbol_duration = 16 * NSEC_PER_USEC; lp->hw->phy->supported.tx_powers = at86rf231_powers; lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf231_powers); lp->hw->phy->supported.cca_ed_levels = at86rf231_ed_levels; @@ -1595,7 +1595,7 @@ at86rf230_detect_device(struct at86rf230_local *lp) lp->hw->phy->supported.page[2].chunk[1].band = IEEE802154_915_MHZ_BAND; lp->hw->phy->current_channel = 5; - lp->hw->phy->symbol_duration = 25; + lp->hw->phy->symbol_duration = 25 * NSEC_PER_USEC; lp->hw->phy->supported.lbt = NL802154_SUPPORTED_BOOL_BOTH; lp->hw->phy->supported.tx_powers = at86rf212_powers; lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf212_powers); @@ -1610,7 +1610,7 @@ at86rf230_detect_device(struct at86rf230_local *lp) lp->hw->phy->supported.page[0].chunk[0].protocol = IEEE802154_OQPSK_PHY; lp->hw->phy->supported.page[0].chunk[0].band = IEEE802154_2400_MHZ_BAND; lp->hw->phy->current_channel = 13; - lp->hw->phy->symbol_duration = 16; + lp->hw->phy->symbol_duration = 16 * NSEC_PER_USEC; lp->hw->phy->supported.tx_powers = at86rf233_powers; lp->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf233_powers); lp->hw->phy->supported.cca_ed_levels = at86rf233_ed_levels; diff --git a/drivers/net/ieee802154/atusb.c b/drivers/net/ieee802154/atusb.c index 7e8c9d6db7d7..80382919520e 100644 --- a/drivers/net/ieee802154/atusb.c +++ b/drivers/net/ieee802154/atusb.c @@ -678,24 +678,24 @@ static int hulusb_set_channel(struct ieee802154_hw *hw, u8 page, u8 channel) if (channel == 0) { if (page == 0) { /* SUB:0 and BPSK:0 -> BPSK-20 */ - lp->hw->phy->symbol_duration = 50; + lp->hw->phy->symbol_duration = 50 * NSEC_PER_USEC; } else { /* SUB:1 and BPSK:0 -> BPSK-40 */ - lp->hw->phy->symbol_duration = 25; + lp->hw->phy->symbol_duration = 25 * NSEC_PER_USEC; } } else { if (page == 0) /* SUB:0 and BPSK:1 -> OQPSK-100/200/400 */ - lp->hw->phy->symbol_duration = 40; + lp->hw->phy->symbol_duration = 40 * NSEC_PER_USEC; else /* SUB:1 and BPSK:1 -> OQPSK-250/500/1000 */ - lp->hw->phy->symbol_duration = 16; + lp->hw->phy->symbol_duration = 16 * NSEC_PER_USEC; } - lp->hw->phy->lifs_period = IEEE802154_LIFS_PERIOD * - lp->hw->phy->symbol_duration; - lp->hw->phy->sifs_period = IEEE802154_SIFS_PERIOD * - lp->hw->phy->symbol_duration; + lp->hw->phy->lifs_period = + (IEEE802154_LIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000; + lp->hw->phy->sifs_period = + (IEEE802154_SIFS_PERIOD * lp->hw->phy->symbol_duration) / 1000; return atusb_write_subreg(lp, SR_CHANNEL, channel); } @@ -919,7 +919,7 @@ static int atusb_get_and_conf_chip(struct atusb *atusb) atusb->hw->phy->supported.page[0].chunk[0].protocol = IEEE802154_OQPSK_PHY; atusb->hw->phy->supported.page[0].chunk[0].band = IEEE802154_2400_MHZ_BAND; atusb->hw->phy->current_channel = 11; /* reset default */ - atusb->hw->phy->symbol_duration = 16; + atusb->hw->phy->symbol_duration = 16 * NSEC_PER_USEC; atusb->hw->phy->supported.tx_powers = atusb_powers; atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers); hw->phy->supported.cca_ed_levels = atusb_ed_levels; @@ -932,7 +932,7 @@ static int atusb_get_and_conf_chip(struct atusb *atusb) atusb->hw->phy->supported.page[0].chunk[0].protocol = IEEE802154_OQPSK_PHY; atusb->hw->phy->supported.page[0].chunk[0].band = IEEE802154_2400_MHZ_BAND; atusb->hw->phy->current_channel = 11; /* reset default */ - atusb->hw->phy->symbol_duration = 16; + atusb->hw->phy->symbol_duration = 16 * NSEC_PER_USEC; atusb->hw->phy->supported.tx_powers = atusb_powers; atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(atusb_powers); hw->phy->supported.cca_ed_levels = atusb_ed_levels; @@ -963,7 +963,7 @@ static int atusb_get_and_conf_chip(struct atusb *atusb) atusb->hw->phy->supported.page[2].chunk[1].band = IEEE802154_915_MHZ_BAND; atusb->hw->phy->current_channel = 5; - atusb->hw->phy->symbol_duration = 25; + atusb->hw->phy->symbol_duration = 25 * NSEC_PER_USEC; atusb->hw->phy->supported.lbt = NL802154_SUPPORTED_BOOL_BOTH; atusb->hw->phy->supported.tx_powers = at86rf212_powers; atusb->hw->phy->supported.tx_powers_size = ARRAY_SIZE(at86rf212_powers); diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c index f42a0b719a33..6bd970d26220 100644 --- a/drivers/net/ieee802154/ca8210.c +++ b/drivers/net/ieee802154/ca8210.c @@ -2977,7 +2977,7 @@ static void ca8210_hw_setup(struct ieee802154_hw *ca8210_hw) ca8210_hw->phy->cca.mode = NL802154_CCA_ENERGY_CARRIER; ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND; ca8210_hw->phy->cca_ed_level = -9800; - ca8210_hw->phy->symbol_duration = 16; + ca8210_hw->phy->symbol_duration = 16 * NSEC_PER_USEC; ca8210_hw->phy->lifs_period = 40; ca8210_hw->phy->sifs_period = 12; ca8210_hw->flags = diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c index e2c249aef430..34063b7e663e 100644 --- a/drivers/net/ieee802154/mcr20a.c +++ b/drivers/net/ieee802154/mcr20a.c @@ -975,9 +975,9 @@ static void mcr20a_hw_setup(struct mcr20a_local *lp) dev_dbg(printdev(lp), "%s\n", __func__); - phy->symbol_duration = 16; - phy->lifs_period = 40 * phy->symbol_duration; - phy->sifs_period = 12 * phy->symbol_duration; + phy->symbol_duration = 16 * NSEC_PER_USEC; + phy->lifs_period = (40 * phy->symbol_duration) / NSEC_PER_USEC; + phy->sifs_period = (12 * phy->symbol_duration) / NSEC_PER_USEC; hw->flags = IEEE802154_HW_TX_OMIT_CKSUM | IEEE802154_HW_AFILT | @@ -1010,7 +1010,7 @@ static void mcr20a_hw_setup(struct mcr20a_local *lp) phy->current_page = 0; /* MCR20A default reset value */ phy->current_channel = 20; - phy->symbol_duration = 16; + phy->symbol_duration = 16 * NSEC_PER_USEC; phy->supported.tx_powers = mcr20a_powers; phy->supported.tx_powers_size = ARRAY_SIZE(mcr20a_powers); phy->cca_ed_level = phy->supported.cca_ed_levels[75]; diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h index 03c8008217fb..286709a9dd0b 100644 --- a/include/net/cfg802154.h +++ b/include/net/cfg802154.h @@ -253,8 +253,8 @@ struct wpan_phy { /* PHY depended MAC PIB values */ - /* 802.15.4 acronym: Tdsym in usec */ - u8 symbol_duration; + /* 802.15.4 acronym: Tdsym in nsec */ + u32 symbol_duration; /* lifs and sifs periods timing */ u16 lifs_period; u16 sifs_period; diff --git a/net/mac802154/main.c b/net/mac802154/main.c index 520cedc594e1..53153367f9d0 100644 --- a/net/mac802154/main.c +++ b/net/mac802154/main.c @@ -131,10 +131,10 @@ static void ieee802154_setup_wpan_phy_pib(struct wpan_phy *wpan_phy) * Should be done when all drivers sets this value. */ - wpan_phy->lifs_period = IEEE802154_LIFS_PERIOD * - wpan_phy->symbol_duration; - wpan_phy->sifs_period = IEEE802154_SIFS_PERIOD * - wpan_phy->symbol_duration; + wpan_phy->lifs_period = + (IEEE802154_LIFS_PERIOD * wpan_phy->symbol_duration) / 1000; + wpan_phy->sifs_period = + (IEEE802154_SIFS_PERIOD * wpan_phy->symbol_duration) / 1000; } int ieee802154_register_hw(struct ieee802154_hw *hw)

[v3,08/41] net: mac802154: Convert the symbol duration into nanoseconds

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