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wifi: nl80211: expose link information for interfaces

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When getting/dumping an interface, expose information about
valid links.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2022-06-13 16:51:27 +02:00
parent e57f8a489c
commit ce08cd344a
1 changed files with 22 additions and 0 deletions
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22
net/wireless/nl80211.c
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@ -3800,6 +3800,28 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
goto nla_put_failure;
}
if (wdev->valid_links) {
unsigned int link_id;
struct nlattr *links = nla_nest_start(msg,
NL80211_ATTR_MLO_LINKS);
if (!links)
goto nla_put_failure;
for_each_valid_link(wdev, link_id) {
struct nlattr *link = nla_nest_start(msg, link_id + 1);
if (nla_put_u8(msg, NL80211_ATTR_MLO_LINK_ID, link_id))
goto nla_put_failure;
if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
wdev->links[link_id].addr))
goto nla_put_failure;
nla_nest_end(msg, link);
}
nla_nest_end(msg, links);
}
genlmsg_end(msg, hdr);
return 0;