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nl80211: Include wiphy address setup in NEW_WIPHY 

Include wiphy address setup in wiphy dumps and new wiphy events.  The
wiphy permanent address is exposed as ATTR_MAC.  If addr_mask is setup,
then it is included as ATTR_MAC_MASK attribute.  If multiple addresses
are available, then their are exposed in a nested ATTR_MAC_ADDRS array.

This information is already exposed via sysfs, but it makes sense to
include it in the wiphy dump as well.

Signed-off-by: Denis Kenzior <denkenz@gmail.com>
Link: https://lore.kernel.org/r/20190722113312.14031-3-denkenz@gmail.com
[use just nla_nest_start(), this is new functionality]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Denis Kenzior 2019-07-22 06:33:12 -05:00 committed by Johannes Berg
parent 7a113110fc
commit ae6fa4d5e9
1 changed files with 24 additions and 0 deletions
net/wireless
nl80211.c

24
net/wireless/nl80211.c
View File

@ -2172,6 +2172,30 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev,
rdev->wiphy.vht_capa_mod_mask))
goto nla_put_failure;
if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN,
rdev->wiphy.perm_addr))
goto nla_put_failure;
if (!is_zero_ether_addr(rdev->wiphy.addr_mask) &&
nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN,
rdev->wiphy.addr_mask))
goto nla_put_failure;
if (rdev->wiphy.n_addresses > 1) {
void *attr;
attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS);
if (!attr)
goto nla_put_failure;
for (i = 0; i < rdev->wiphy.n_addresses; i++)
if (nla_put(msg, i + 1, ETH_ALEN,
rdev->wiphy.addresses[i].addr))
goto nla_put_failure;
nla_nest_end(msg, attr);
}
state->split_start++;
break;
case 10: