diff options
| author |   Johannes Berg <johannes.berg@intel.com> | 2024-01-29 19:54:35 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-02-02 14:20:42 +0100 |
| commit | f455f5ad500a993b65ae1c4c59639eff558e1688 (patch) | |
| tree | 3513a0b9b6fa4d94283c245fb38642dd8ba3bfda /net/mac80211 | |
| parent | wifi: mac80211_hwsim: add control to skip beacons (diff) | |
| download | wireguard-linux-f455f5ad500a993b65ae1c4c59639eff558e1688.tar.xz wireguard-linux-f455f5ad500a993b65ae1c4c59639eff558e1688.zip | |
wifi: mac80211: trace SMPS requests from driver
Even if there are a lot of possible ways drivers might
call this, at least knowing when they do and with what
settings can be useful. Add tracing for it.
Link: https://msgid.link/20240129195435.b20d2ead2013.I8213e65c274451d523a3397519ac578c3ed2df4d@changeid
[removed link-id contortions as suggested by Jeff]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/ht.c | 4 | ||||
| -rw-r--r-- | net/mac80211/trace.h | 30 |
2 files changed, 32 insertions, 2 deletions
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 749f4ecab990..bccc99a00383 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -9,7 +9,7 @@ * Copyright 2007, Michael Wu <flamingice@sourmilk.net> * Copyright 2007-2010, Intel Corporation * Copyright 2017 Intel Deutschland GmbH - * Copyright(c) 2020-2023 Intel Corporation + * Copyright(c) 2020-2024 Intel Corporation */ #include <linux/ieee80211.h> @@ -603,6 +603,8 @@ void ieee80211_request_smps(struct ieee80211_vif *vif, unsigned int link_id, if (WARN_ON(!link)) goto out; + trace_api_request_smps(sdata->local, sdata, link, smps_mode); + if (link->u.mgd.driver_smps_mode == smps_mode) goto out; diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 1c0c46b11c6d..e2dde3e77c30 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -2,7 +2,7 @@ /* * Portions of this file * Copyright(c) 2016-2017 Intel Deutschland GmbH - * Copyright (C) 2018 - 2023 Intel Corporation + * Copyright (C) 2018 - 2024 Intel Corporation */ #if !defined(__MAC80211_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ) @@ -3035,6 +3035,34 @@ TRACE_EVENT(api_radar_detected, ) ); +TRACE_EVENT(api_request_smps, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_link_data *link, + enum ieee80211_smps_mode smps_mode), + + TP_ARGS(local, sdata, link, smps_mode), + + TP_STRUCT__entry( + LOCAL_ENTRY + VIF_ENTRY + __field(int, link_id) + __field(u32, smps_mode) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + VIF_ASSIGN; + __entry->link_id = link->link_id, + __entry->smps_mode = smps_mode; + ), + + TP_printk( + LOCAL_PR_FMT " " VIF_PR_FMT " link:%d, smps_mode:%d", + LOCAL_PR_ARG, VIF_PR_ARG, __entry->link_id, __entry->smps_mode + ) +); + /* * Tracing for internal functions * (which may also be called in response to driver calls) |