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Date: Fri, 17 Jun 2022 21:32:54 +0200 From: Miquel Raynal <miquel.raynal@...tlin.com> To: Alexander Aring <alex.aring@...il.com>, Stefan Schmidt <stefan@...enfreihafen.org>, linux-wpan@...r.kernel.org Cc: "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>, netdev@...r.kernel.org, David Girault <david.girault@...vo.com>, Romuald Despres <romuald.despres@...vo.com>, Frederic Blain <frederic.blain@...vo.com>, Nicolas Schodet <nico@...fr.eu.org>, Thomas Petazzoni <thomas.petazzoni@...tlin.com>, Miquel Raynal <miquel.raynal@...tlin.com> Subject: [PATCH wpan-next v2 6/6] net: ieee802154: Trace the registration of new PANs From: David Girault <david.girault@...vo.com> Add an internal trace when new PANs get discovered. Signed-off-by: David Girault <david.girault@...vo.com> Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com> --- 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), -- 2.34.1
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