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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Stefan Schmidt <stefan@datenfreihafen.org>
Cc: Alexander Aring <alex.aring@gmail.com>,
	linux-wpan@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Eric Dumazet <edumazet@google.com>,
	netdev@vger.kernel.org, David Girault <david.girault@qorvo.com>,
	Romuald Despres <romuald.despres@qorvo.com>,
	Frederic Blain <frederic.blain@qorvo.com>,
	Nicolas Schodet <nico@ni.fr.eu.org>,
	Guilhem Imberton <guilhem.imberton@qorvo.com>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Subject: Re: [PATCH wpan-next v2 07/11] mac802154: Handle association requests from peers
Date: Mon, 18 Sep 2023 09:36:59 +0200	[thread overview]
Message-ID: <20230918093659.6488891a@xps-13> (raw)
In-Reply-To: <7b9b1b97-7c02-06b3-7a84-db1f33784be3@datenfreihafen.org>

Hi Stefan,

> > +static int
> > +mac802154_send_association_resp_locked(struct ieee802154_sub_if_data *sdata,
> > +				       struct ieee802154_pan_device *target,
> > +				       struct ieee802154_assoc_resp_pl *assoc_resp_pl)
> > +{
> > +	u64 teaddr = swab64((__force u64)target->extended_addr);
> > +	struct ieee802154_association_resp_frame frame = {};
> > +	struct ieee802154_local *local = sdata->local;
> > +	struct wpan_dev *wpan_dev = &sdata->wpan_dev;
> > +	struct sk_buff *skb;
> > +	int ret;
> > +
> > +	frame.mhr.fc.type = IEEE802154_FC_TYPE_MAC_CMD;
> > +	frame.mhr.fc.security_enabled = 0;
> > +	frame.mhr.fc.frame_pending = 0;
> > +	frame.mhr.fc.ack_request = 1; /* We always expect an ack here */
> > +	frame.mhr.fc.intra_pan = 1;
> > +	frame.mhr.fc.dest_addr_mode = IEEE802154_EXTENDED_ADDRESSING;
> > +	frame.mhr.fc.version = IEEE802154_2003_STD;
> > +	frame.mhr.fc.source_addr_mode = IEEE802154_EXTENDED_ADDRESSING;
> > +	frame.mhr.seq = 10;  
> 
> Where does the 10 come from and what is the meaning?

Good point, that is a leftover from my earlier WIP versions. A few lines
below this is overwritten by:

	frame.mhr.seq = atomic_inc_return(&wpan_dev->dsn) & 0xFF;

I'll of course drop the `seq = 10` line.

Thanks,
Miquèl

  reply	other threads:[~2023-09-18  7:40 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-01 17:04 [PATCH wpan-next v2 00/11] ieee802154: Associations between devices Miquel Raynal
2023-09-01 17:04 ` [PATCH wpan-next v2 01/11] ieee802154: Let PAN IDs be reset Miquel Raynal
2023-09-01 17:04 ` [PATCH wpan-next v2 02/11] ieee802154: Internal PAN management Miquel Raynal
2023-09-16 15:36   ` Stefan Schmidt
2023-09-17 11:50     ` Alexander Aring
2023-09-18  9:01       ` Miquel Raynal
2023-09-18 11:11         ` Alexander Aring
2023-09-18 14:15           ` Miquel Raynal
2023-09-18 23:01             ` Alexander Aring
2023-09-19  7:14               ` Miquel Raynal
2023-09-01 17:04 ` [PATCH wpan-next v2 03/11] ieee802154: Add support for user association requests Miquel Raynal
2023-09-01 17:04 ` [PATCH wpan-next v2 04/11] mac802154: Handle associating Miquel Raynal
2023-09-16 15:36   ` Stefan Schmidt
2023-09-01 17:04 ` [PATCH wpan-next v2 05/11] ieee802154: Add support for user disassociation requests Miquel Raynal
2023-09-01 17:04 ` [PATCH wpan-next v2 06/11] mac802154: Handle disassociations Miquel Raynal
2023-09-01 17:04 ` [PATCH wpan-next v2 07/11] mac802154: Handle association requests from peers Miquel Raynal
2023-09-16 15:36   ` Stefan Schmidt
2023-09-18  7:36     ` Miquel Raynal [this message]
2023-09-01 17:04 ` [PATCH wpan-next v2 08/11] ieee802154: Add support for limiting the number of associated devices Miquel Raynal
2023-09-01 17:04 ` [PATCH wpan-next v2 09/11] mac802154: Follow " Miquel Raynal
2023-09-01 17:05 ` [PATCH wpan-next v2 10/11] mac802154: Handle disassociation notifications from peers Miquel Raynal
2023-09-01 17:05 ` [PATCH wpan-next v2 11/11] ieee802154: Give the user the association list Miquel Raynal
2023-09-16 15:36   ` Stefan Schmidt
2023-09-18  7:08     ` Miquel Raynal
2023-09-18 15:41       ` Stefan Schmidt

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