net80211: refactor out ifp->if_broadcastaddr into ieee80211_freebsd.c

[adrian]

Summary

• create ieee80211_vap_get_broadcast_address() to fetch the broadcast MAC address for the given VAP
• refactor references to ifp->if_broadcastaddr -> ieee80211_vap_get_broadcast_address()

[adrian]

rebase

[bz]

Scrolling through apart from the local variable this looks good.

sys/net80211/ieee80211_freebsd.c

1328

Could pass vap->if_ifp here and save the local variable.

[adrian]

update from bz

[adrian]

comment from bz

[bz]

Just style.

sys/net80211/ieee80211_freebsd.c

1326

return (...)

sys/net80211/ieee80211_hostap.c

563

Can't say in Phabricator if indentation is right..

sys/net80211/ieee80211_wds.c

491

again indent unclear in Phabricator

[adrian]

comments from bz