net: mac80211: use core API for updating TX/RX stats

net: mac80211: use core API for updating TX/RX stats

Commits

  e444c69827eb7 ("net: core: add dev_sw_netstats_tx_add")
  f2bf293ed6a65 ("net: netdevice.h: sw_netstats_rx_add helper)

have added API to update net device per-cpu TX/RX stats.

Use core API instead of ieee80211_tx/rx_stats().

Signed-off-by: Lev Stipakov <lev@openvpn.net>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/20201113214623.144663-1-lev@openvpn.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>