From patchwork Wed Feb 28 08:55:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Berg X-Patchwork-Id: 777441 Received: from sipsolutions.net (s3.sipsolutions.net [168.119.38.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 011522DF73 for ; Wed, 28 Feb 2024 08:57:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=168.119.38.16 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709110647; cv=none; b=vEzjCQHD88JCguYIzirQDnZ/X2oK8uipnBvifI9HrczC/HGCbZCpX9fQCKNxsiEE+pppUu8gsAxY+wwBJp4SkVwMQSwAUTD7t5kKBtl3fARr7SHM90Lk3yYylsT9KChAdCyTZ22QfSKRsEEx5/+8BKk5+DT+NcYLUcZRb06pQMo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709110647; c=relaxed/simple; bh=jehfpEUOojSxp+NUxZSFTsmG4m8FP1HwbBnfTxGnihM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YIxJt6Pl4HDNL/8Va4E/I74r6fTFqBHIeXWgT6H6+GQKEMse7/Pq6cAYZ+MNQKqx99RgSOLri7wttQMfkWC9j14km55iHH4Wc1seThX1oTOXh6qPOPtyRpPc0ds5VC3iGDD/l2hXvJROQFyWXRH7fExzWSbeL7AM6W2YefR/sUU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net; spf=pass smtp.mailfrom=sipsolutions.net; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b=tYiWLN2E; arc=none smtp.client-ip=168.119.38.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b="tYiWLN2E" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Content-Type:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=Z5HmwqvUC3DM6A9bUaOQrUg7mSwYcpP7QGNDUK+qUu4=; t=1709110646; x=1710320246; b=tYiWLN2Eb6qaE6aN4nxY66JM/uq0FpNXs03+gtQ+WW2h5vr kYnVboiH3l8vMKhVXKjUU4eLTTyI54r+JvhSXS3DWMSBuKKxoZ+cTyaJ2/wOZH7p+AanZxgp4HOHm BUW+T4VI9B9o2L9Hlfa5HRHXcZ9rJBnjxS9J0c1OtmJr00i3lCFdV3AeTt5cOsaKHCDbtROStajt5 HqR2jemtquPbTugCICua3PKaZAQH+J1Xf5PI3m5OqBfpEFz0NEGqmM0WDqL6gupuLh1ZntRTnyTtj k0IgqB8/F59W6Na5Wr8K/KCSH0PjOTcpNz5fZwyl/0fmYo3toTPoUqhgNUfzzUeg==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.97) (envelope-from ) id 1rfFkh-0000000C0hJ-1OPA; Wed, 28 Feb 2024 09:57:23 +0100 From: Johannes Berg To: linux-wireless@vger.kernel.org Cc: Johannes Berg , Miriam Rachel Korenblit , Emmanuel Grumbach Subject: [PATCH 3/8] wifi: mac80211: pass link_id to channel switch ops Date: Wed, 28 Feb 2024 09:55:43 +0100 Message-ID: <20240228095718.b7726635c054.I0be5d00af4acb48cfbd23a9dbf067f9aeb66469d@changeid> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240228085718.21171-10-johannes@sipsolutions.net> References: <20240228085718.21171-10-johannes@sipsolutions.net> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Johannes Berg For CSA to work correctly in multi-link scenarios, pass the link_id to the relevant callbacks. While at it, unify/deduplicate the tracing for them. Reviewed-by: Miriam Rachel Korenblit Reviewed-by: Emmanuel Grumbach Signed-off-by: Johannes Berg --- include/net/mac80211.h | 6 ++-- net/mac80211/cfg.c | 4 ++- net/mac80211/mlme.c | 4 ++- net/mac80211/trace.h | 82 ++++++++++-------------------------------- 4 files changed, 28 insertions(+), 68 deletions(-) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 6c6d8210d637..8ea9fa81e68c 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1763,8 +1763,9 @@ struct ieee80211_conf { * @chandef: the new channel to switch to * @count: the number of TBTT's until the channel switch event * @delay: maximum delay between the time the AP transmitted the last beacon in - * current channel and the expected time of the first beacon in the new - * channel, expressed in TU. + * current channel and the expected time of the first beacon in the new + * channel, expressed in TU. + * @link_id: the link ID of the link doing the channel switch, 0 for non-MLO */ struct ieee80211_channel_switch { u64 timestamp; @@ -1772,6 +1773,7 @@ struct ieee80211_channel_switch { bool block_tx; struct cfg80211_chan_def chandef; u8 count; + u8 link_id; u32 delay; }; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 821a83e487df..ed8d7919ef2a 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3897,7 +3897,9 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_chan_req chanreq = { .oper = params->chandef }; struct ieee80211_local *local = sdata->local; - struct ieee80211_channel_switch ch_switch; + struct ieee80211_channel_switch ch_switch = { + .link_id = params->link_id, + }; struct ieee80211_chanctx_conf *conf; struct ieee80211_chanctx *chanctx; struct ieee80211_bss_conf *link_conf; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index e6a82f28a7c6..f32ed57c83ba 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2021,7 +2021,9 @@ ieee80211_sta_process_chanswitch(struct ieee80211_link_data *link, struct ieee80211_chanctx *chanctx; enum nl80211_band current_band; struct ieee80211_csa_ie csa_ie; - struct ieee80211_channel_switch ch_switch; + struct ieee80211_channel_switch ch_switch = { + .link_id = link->link_id, + }; struct ieee80211_bss *bss; unsigned long timeout; int res; diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 478b32d2520a..8e758b5074bd 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -1209,7 +1209,7 @@ DEFINE_EVENT(sta_event, drv_flush_sta, TP_ARGS(local, sdata, sta) ); -TRACE_EVENT(drv_channel_switch, +DECLARE_EVENT_CLASS(chanswitch_evt, TP_PROTO(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_channel_switch *ch_switch), @@ -1224,6 +1224,7 @@ TRACE_EVENT(drv_channel_switch, __field(u32, device_timestamp) __field(bool, block_tx) __field(u8, count) + __field(u8, link_id) ), TP_fast_assign( @@ -1234,14 +1235,24 @@ TRACE_EVENT(drv_channel_switch, __entry->device_timestamp = ch_switch->device_timestamp; __entry->block_tx = ch_switch->block_tx; __entry->count = ch_switch->count; + __entry->link_id = ch_switch->link_id; ), TP_printk( - LOCAL_PR_FMT VIF_PR_FMT " new " CHANDEF_PR_FMT " count:%d", - LOCAL_PR_ARG, VIF_PR_ARG, CHANDEF_PR_ARG, __entry->count + LOCAL_PR_FMT VIF_PR_FMT CHANDEF_PR_FMT " count:%d block_tx:%d timestamp:%llu device_ts:%u link_id:%d", + LOCAL_PR_ARG, VIF_PR_ARG, CHANDEF_PR_ARG, __entry->count, + __entry->block_tx, __entry->timestamp, + __entry->device_timestamp, __entry->link_id ) ); +DEFINE_EVENT(chanswitch_evt, drv_channel_switch, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_channel_switch *ch_switch), + TP_ARGS(local, sdata, ch_switch) +); + TRACE_EVENT(drv_set_antenna, TP_PROTO(struct ieee80211_local *local, u32 tx_ant, u32 rx_ant, int ret), @@ -2121,39 +2132,11 @@ TRACE_EVENT(drv_channel_switch_beacon, ) ); -TRACE_EVENT(drv_pre_channel_switch, +DEFINE_EVENT(chanswitch_evt, drv_pre_channel_switch, TP_PROTO(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_channel_switch *ch_switch), - - TP_ARGS(local, sdata, ch_switch), - - TP_STRUCT__entry( - LOCAL_ENTRY - VIF_ENTRY - CHANDEF_ENTRY - __field(u64, timestamp) - __field(u32, device_timestamp) - __field(bool, block_tx) - __field(u8, count) - ), - - TP_fast_assign( - LOCAL_ASSIGN; - VIF_ASSIGN; - CHANDEF_ASSIGN(&ch_switch->chandef) - __entry->timestamp = ch_switch->timestamp; - __entry->device_timestamp = ch_switch->device_timestamp; - __entry->block_tx = ch_switch->block_tx; - __entry->count = ch_switch->count; - ), - - TP_printk( - LOCAL_PR_FMT VIF_PR_FMT " prepare channel switch to " - CHANDEF_PR_FMT " count:%d block_tx:%d timestamp:%llu", - LOCAL_PR_ARG, VIF_PR_ARG, CHANDEF_PR_ARG, __entry->count, - __entry->block_tx, __entry->timestamp - ) + TP_ARGS(local, sdata, ch_switch) ); DEFINE_EVENT(local_sdata_evt, drv_post_channel_switch, @@ -2168,40 +2151,11 @@ DEFINE_EVENT(local_sdata_evt, drv_abort_channel_switch, TP_ARGS(local, sdata) ); -TRACE_EVENT(drv_channel_switch_rx_beacon, +DEFINE_EVENT(chanswitch_evt, drv_channel_switch_rx_beacon, TP_PROTO(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_channel_switch *ch_switch), - - TP_ARGS(local, sdata, ch_switch), - - TP_STRUCT__entry( - LOCAL_ENTRY - VIF_ENTRY - CHANDEF_ENTRY - __field(u64, timestamp) - __field(u32, device_timestamp) - __field(bool, block_tx) - __field(u8, count) - ), - - TP_fast_assign( - LOCAL_ASSIGN; - VIF_ASSIGN; - CHANDEF_ASSIGN(&ch_switch->chandef) - __entry->timestamp = ch_switch->timestamp; - __entry->device_timestamp = ch_switch->device_timestamp; - __entry->block_tx = ch_switch->block_tx; - __entry->count = ch_switch->count; - ), - - TP_printk( - LOCAL_PR_FMT VIF_PR_FMT - " received a channel switch beacon to " - CHANDEF_PR_FMT " count:%d block_tx:%d timestamp:%llu", - LOCAL_PR_ARG, VIF_PR_ARG, CHANDEF_PR_ARG, __entry->count, - __entry->block_tx, __entry->timestamp - ) + TP_ARGS(local, sdata, ch_switch) ); TRACE_EVENT(drv_get_txpower,