diff options
| -rw-r--r-- | sys/dev/pci/if_iwn.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sys/dev/pci/if_iwn.c b/sys/dev/pci/if_iwn.c index 2a1f1c26191..8d88e8d94d0 100644 --- a/sys/dev/pci/if_iwn.c +++ b/sys/dev/pci/if_iwn.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_iwn.c,v 1.223 2020/04/13 18:41:30 stsp Exp $ */ +/* $OpenBSD: if_iwn.c,v 1.224 2020/04/21 10:33:30 stsp Exp $ */ /*- * Copyright (c) 2007-2010 Damien Bergamini <damien.bergamini@free.fr> @@ -3422,8 +3422,17 @@ iwn_tx(struct iwn_softc *sc, struct mbuf *m, struct ieee80211_node *ni) flags |= IWN_TX_NEED_ACK; } if (type == IEEE80211_FC0_TYPE_CTL && - subtype == IEEE80211_FC0_SUBTYPE_BAR) + subtype == IEEE80211_FC0_SUBTYPE_BAR) { + struct ieee80211_frame_min *mwh; + uint8_t *barfrm; + uint16_t ctl; + mwh = mtod(m, struct ieee80211_frame_min *); + barfrm = (uint8_t *)&mwh[1]; + ctl = LE_READ_2(barfrm); + tid = (ctl & IEEE80211_BA_TID_INFO_MASK) >> + IEEE80211_BA_TID_INFO_SHIFT; flags |= (IWN_TX_NEED_ACK | IWN_TX_IMM_BA); + } if (wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG) flags |= IWN_TX_MORE_FRAG; /* Cannot happen yet. */ |