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Commit d726405a authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
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nl80211: send wiphy along with netdev 



When listing all wireless netdevs in the system this
is useful to print which wiphy they belong to. Just
add the attribute, any program that doesn't care will
just ignore it.

Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent fef99929

net/wireless/nl80211.c

+5 −2
Original line number Diff line number Diff line
@@ -538,6 +538,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) 




static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags,

			      struct cfg80211_registered_device *rdev,

			      struct net_device *dev)

{

	void *hdr;
@@ -547,6 +548,7 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, 
		return -1;



	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);

	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);

	NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, dev->name);

	NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype);

	return genlmsg_end(msg, hdr);
@@ -581,7 +583,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * 
			}

			if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid,

					       cb->nlh->nlmsg_seq, NLM_F_MULTI,

					       wdev->netdev) < 0) {

					       dev, wdev->netdev) < 0) {

				mutex_unlock(&dev->devlist_mtx);

				goto out;

			}
@@ -615,7 +617,8 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) 
	if (!msg)

		goto out_err;



	if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, netdev) < 0)

	if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,

			       dev, netdev) < 0)

		goto out_free;



	dev_put(netdev);