From patchwork Mon Jun 20 13:40:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 12887621 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 89A4FCCA479 for ; Mon, 20 Jun 2022 14:25:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236110AbiFTOZY (ORCPT ); Mon, 20 Jun 2022 10:25:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53400 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350040AbiFTOYm (ORCPT ); Mon, 20 Jun 2022 10:24:42 -0400 Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B46029369; Mon, 20 Jun 2022 06:40:27 -0700 (PDT) Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id E4F614001C; Mon, 20 Jun 2022 13:40:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1655732425; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fJo1iNlrC6pXt/HGXA00sqO583p/JVnVsx1bL3t4GcE=; b=UDjEUiiSQPRKGb1S4gKOYaZwwQa/fDeq9tOWuK0PDVptSfIzoUGIIYw2VA1E9SI8GVjh6w ZC0DG5VYHjgL6Ez+hhEpdxrhbkOnHLjDrvR97waank3zWGbFSPE4aLPxacsImbUx8VAiZG NwZs3pCMz61xQZxuQQ0WhURNo2kjE0+UFO7ljHFcDyvJArkixvSk+JGxnw9ks64j2eKS2F 8C+G2hFozlYtxXp0qc4C33s4Kv/MJDN04L9BL6qimqBSG1gas8zIGJyz9Yaqt6O+3RjTtk YOqza6kJ49R0ObPUFwIjWH+/BvEUuIQg2tUfSkT4wn/+wfQpzy5uwwfW12WDGg== 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 , Thomas Petazzoni , Miquel Raynal Subject: [PATCH wpan-next v3 4/4] net: ieee802154: Trace the registration of new PANs Date: Mon, 20 Jun 2022 15:40:18 +0200 Message-Id: <20220620134018.62414-5-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220620134018.62414-1-miquel.raynal@bootlin.com> References: <20220620134018.62414-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wpan@vger.kernel.org From: David Girault Add an internal trace when new PANs get discovered. Signed-off-by: David Girault Signed-off-by: Miquel Raynal --- net/ieee802154/pan.c | 3 +++ net/ieee802154/trace.h | 25 +++++++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/net/ieee802154/pan.c b/net/ieee802154/pan.c index b9f50f785960..0dd30c19c3a2 100644 --- a/net/ieee802154/pan.c +++ b/net/ieee802154/pan.c @@ -18,6 +18,7 @@ #include "ieee802154.h" #include "core.h" +#include "trace.h" static struct cfg802154_internal_pan * cfg802154_alloc_pan(struct ieee802154_pan_desc *desc) @@ -205,6 +206,8 @@ static void cfg802154_pan_update(struct cfg802154_registered_device *rdev, found = cfg802154_find_matching_pan(rdev, new); if (found) cfg802154_unlink_pan(rdev, found); + else + trace_802154_new_pan(&new->desc); if (unlikely(cfg802154_need_to_expire_pans(rdev))) cfg802154_expire_oldest_pan(rdev); diff --git a/net/ieee802154/trace.h b/net/ieee802154/trace.h index 19c2e5d60e76..fa989dac090d 100644 --- a/net/ieee802154/trace.h +++ b/net/ieee802154/trace.h @@ -295,6 +295,31 @@ TRACE_EVENT(802154_rdev_set_ackreq_default, WPAN_DEV_PR_ARG, BOOL_TO_STR(__entry->ackreq)) ); +DECLARE_EVENT_CLASS(802154_pan_evt, + TP_PROTO(struct ieee802154_pan_desc *desc), + TP_ARGS(desc), + TP_STRUCT__entry( + __field(u16, pan_id) + __field(__le64, coord_addr) + __field(u8, channel) + __field(u8, page) + ), + TP_fast_assign( + __entry->page = desc->page; + __entry->channel = desc->channel; + memcpy(&__entry->pan_id, &desc->coord->pan_id, 2); + memcpy(&__entry->coord_addr, &desc->coord->extended_addr, 8); + ), + TP_printk("panid: %u, coord_addr: 0x%llx, page: %u, channel: %u", + __entry->pan_id, __le64_to_cpu(__entry->coord_addr), + __entry->page, __entry->channel) +); + +DEFINE_EVENT(802154_pan_evt, 802154_new_pan, + TP_PROTO(struct ieee802154_pan_desc *desc), + TP_ARGS(desc) +); + TRACE_EVENT(802154_rdev_return_int, TP_PROTO(struct wpan_phy *wpan_phy, int ret), TP_ARGS(wpan_phy, ret),