K 10
svn:author
V 6
eadler
K 8
svn:date
V 27
2018-03-01T06:39:44.325279Z
K 7
svn:log
V 758
MFC r318218:

[iwm] Process multiple frames per RX buffer.

* Factor out iwm_handle_rxb() function from iwm_notif_intr().

* Removing the IWM_FH_RCSR_CHNL0_RX_CONFIG_SINGLE_FRAME_MSK flag allows
  the device to put multiple frames (both command responses and 80211
  frames) into a single RX buffer.

* Uses m_copym() to split up the receive buffers when multiple 80211
  frames are received in one RX buffer. The effect is basically the same
  as when using m_split(), but we want to keep the original mbuf around
  when calling iwm_mvm_rx_rx_mpdu() to make error handling a bit easier
  for now.

* Contains a small optimization to avoid the m_copym() when only a single
  80211 frame is received in one RX buffer (i.e. matching the existing
  behaviour).

END