Commit 5dab3b8a authored by Luis R. Rodriguez's avatar Luis R. Rodriguez Committed by John W. Linville
Browse files

cfg80211: add netlink channel put helper 



This adds a netlink channel put helper, nl80211_msg_put_channel(),
which we will also make use of later for the beacon hints events.

Acked-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarLuis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent a4ed90d6

net/wireless/nl80211.c

+27 −14
Original line number Diff line number Diff line
@@ -156,6 +156,30 @@ static inline void *nl80211hdr_put(struct sk_buff *skb, u32 pid, u32 seq, 
	return genlmsg_put(skb, pid, seq, &nl80211_fam, flags, cmd);

}



static int nl80211_msg_put_channel(struct sk_buff *msg,

				   struct ieee80211_channel *chan)

{

	NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ,

		    chan->center_freq);



	if (chan->flags & IEEE80211_CHAN_DISABLED)

		NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED);

	if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)

		NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN);

	if (chan->flags & IEEE80211_CHAN_NO_IBSS)

		NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS);

	if (chan->flags & IEEE80211_CHAN_RADAR)

		NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR);



	NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,

		    DBM_TO_MBM(chan->max_power));



	return 0;



 nla_put_failure:

	return -ENOBUFS;

}



/* netlink command implementations */



static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
@@ -234,20 +258,9 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, 
				goto nla_put_failure;



			chan = &dev->wiphy.bands[band]->channels[i];

			NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ,

				    chan->center_freq);



			if (chan->flags & IEEE80211_CHAN_DISABLED)

				NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED);

			if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)

				NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN);

			if (chan->flags & IEEE80211_CHAN_NO_IBSS)

				NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS);

			if (chan->flags & IEEE80211_CHAN_RADAR)

				NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR);



			NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER,

				    DBM_TO_MBM(chan->max_power));

			if (nl80211_msg_put_channel(msg, chan))

				goto nla_put_failure;



			nla_nest_end(msg, nl_freq);

		}

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