From patchwork Tue Jan 3 16:56:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 13087720 Return-Path: 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 F155FC46467 for ; Tue, 3 Jan 2023 16:57:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238226AbjACQ5F (ORCPT ); Tue, 3 Jan 2023 11:57:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238223AbjACQ5D (ORCPT ); Tue, 3 Jan 2023 11:57:03 -0500 Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::221]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8521B30; Tue, 3 Jan 2023 08:57:01 -0800 (PST) Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 59C8424000B; Tue, 3 Jan 2023 16:56:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1672765020; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ly66Aod8zDFkKwFVaTikPf0rC1hyQl40+VrA99NRkNo=; b=aoYqpLfxGJgU6YgAAOCeKcA4xa6Ipbe1ogOnWTXfaz3eE0yW3SDoR8OK24PmrzVzHwT8r1 jkTcTlIp3XLKC6onGbaCvRWlMMmjZpdpbrfWldSeFmPup2WbxfcDgtIUN7ggybDG6z6C3u 4INQPuhRuDEDOmqvleqjNekI4pTyB/Wdbhz/i1LJh351c4kLoMjrcRrItUABemKC8bFGXQ 6sIa9GwXyC1Jt1hGIwQl7bvd4RIqdkFdlRSePn3hmwrogipFLfbKumJZCAoUlb4wWetRKi +ywCidJrJhkEDN6Waa+5iuWudtab3MmMqvlBSck9G2ApkE3B3keVQMAl++oqYQ== From: Miquel Raynal To: Alexander Aring , Stefan Schmidt , linux-wpan@vger.kernel.org Cc: "David S. Miller" , Jakub Kicinski , Paolo Abeni , Eric Dumazet , netdev@vger.kernel.org, David Girault , Romuald Despres , Frederic Blain , Nicolas Schodet , Guilhem Imberton , Thomas Petazzoni , Miquel Raynal , Alexander Aring Subject: [PATCH wpan-next v3 4/6] mac802154: Prepare forcing specific symbol duration Date: Tue, 3 Jan 2023 17:56:42 +0100 Message-Id: <20230103165644.432209-5-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230103165644.432209-1-miquel.raynal@bootlin.com> References: <20230103165644.432209-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wpan@vger.kernel.org The scan logic will bypass the whole ->set_channel() logic from the top by calling the driver hook to just switch between channels when required. We can no longer rely on the "current" page/channel settings to set the right symbol duration. Let's add these as new parameters to allow providing the page/channel couple that we want. There is no functional change. Signed-off-by: Miquel Raynal Acked-by: Alexander Aring --- include/net/cfg802154.h | 3 ++- net/mac802154/cfg.c | 2 +- net/mac802154/main.c | 20 +++++++++++--------- 3 files changed, 14 insertions(+), 11 deletions(-) diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h index 1184b543fba7..c16ae5d2dc86 100644 --- a/include/net/cfg802154.h +++ b/include/net/cfg802154.h @@ -483,6 +483,7 @@ static inline const char *wpan_phy_name(struct wpan_phy *phy) return dev_name(&phy->dev); } -void ieee802154_configure_durations(struct wpan_phy *phy); +void ieee802154_configure_durations(struct wpan_phy *phy, + unsigned int page, unsigned int channel); #endif /* __NET_CFG802154_H */ diff --git a/net/mac802154/cfg.c b/net/mac802154/cfg.c index dc2d918fac68..469d6e8dd2dd 100644 --- a/net/mac802154/cfg.c +++ b/net/mac802154/cfg.c @@ -118,7 +118,7 @@ ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel) if (!ret) { wpan_phy->current_page = page; wpan_phy->current_channel = channel; - ieee802154_configure_durations(wpan_phy); + ieee802154_configure_durations(wpan_phy, page, channel); } return ret; diff --git a/net/mac802154/main.c b/net/mac802154/main.c index 3ed31daf7b9c..12a13a850fdf 100644 --- a/net/mac802154/main.c +++ b/net/mac802154/main.c @@ -113,32 +113,33 @@ ieee802154_alloc_hw(size_t priv_data_len, const struct ieee802154_ops *ops) } EXPORT_SYMBOL(ieee802154_alloc_hw); -void ieee802154_configure_durations(struct wpan_phy *phy) +void ieee802154_configure_durations(struct wpan_phy *phy, + unsigned int page, unsigned int channel) { u32 duration = 0; - switch (phy->current_page) { + switch (page) { case 0: - if (BIT(phy->current_channel) & 0x1) + if (BIT(channel) & 0x1) /* 868 MHz BPSK 802.15.4-2003: 20 ksym/s */ duration = 50 * NSEC_PER_USEC; - else if (BIT(phy->current_channel) & 0x7FE) + else if (BIT(channel) & 0x7FE) /* 915 MHz BPSK 802.15.4-2003: 40 ksym/s */ duration = 25 * NSEC_PER_USEC; - else if (BIT(phy->current_channel) & 0x7FFF800) + else if (BIT(channel) & 0x7FFF800) /* 2400 MHz O-QPSK 802.15.4-2006: 62.5 ksym/s */ duration = 16 * NSEC_PER_USEC; break; case 2: - if (BIT(phy->current_channel) & 0x1) + if (BIT(channel) & 0x1) /* 868 MHz O-QPSK 802.15.4-2006: 25 ksym/s */ duration = 40 * NSEC_PER_USEC; - else if (BIT(phy->current_channel) & 0x7FE) + else if (BIT(channel) & 0x7FE) /* 915 MHz O-QPSK 802.15.4-2006: 62.5 ksym/s */ duration = 16 * NSEC_PER_USEC; break; case 3: - if (BIT(phy->current_channel) & 0x3FFF) + if (BIT(channel) & 0x3FFF) /* 2.4 GHz CSS 802.15.4a-2007: 1/6 Msym/s */ duration = 6 * NSEC_PER_USEC; break; @@ -201,7 +202,8 @@ int ieee802154_register_hw(struct ieee802154_hw *hw) ieee802154_setup_wpan_phy_pib(local->phy); - ieee802154_configure_durations(local->phy); + ieee802154_configure_durations(local->phy, local->phy->current_page, + local->phy->current_channel); if (!(hw->flags & IEEE802154_HW_CSMA_PARAMS)) { local->phy->supported.min_csma_backoffs = 4;