diff options
| author | Stefan Sperling <stsp@cvs.openbsd.org> | 2021-06-30 09:44:57 +0000 |
|---|---|---|
| committer | Stefan Sperling <stsp@cvs.openbsd.org> | 2021-06-30 09:44:57 +0000 |
| commit | d66434457fe665a0118a81dcf6b0af50a0c4bdce (patch) | |
| tree | f9337b557a0f09b775f27f59dc721a8ceca8affc /sys/dev | |
| parent | 284c810b7b5b36b7f18c7096aec299acbe8d2308 (diff) | |
Align HT protection flags we send to iwm(4) firmware with flags used by
Linux iwlwifi.
Setting the FAT protection flag while we're using 20 MHz channels doesn't
really make a lot of sense to me but apparently firmware expects it to be
set regardless. Linux does not use the SELF_CTS_EN flag so it might be better
to avoid using SELF_CTS_EN.
According to zxystd from OpenIntelWireless, the same change fixed fatal
firmware errors seen during HT protection updates for them:
https://github.com/OpenIntelWireless/itlwm/commit/032a14185a434b7181c0e78a953dc2e1c21a0853
test and ok gnezdo@
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/if_iwm.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/sys/dev/pci/if_iwm.c b/sys/dev/pci/if_iwm.c index f396e5d64a0..9f46f25723a 100644 --- a/sys/dev/pci/if_iwm.c +++ b/sys/dev/pci/if_iwm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_iwm.c,v 1.331 2021/06/30 09:43:59 stsp Exp $ */ +/* $OpenBSD: if_iwm.c,v 1.332 2021/06/30 09:44:56 stsp Exp $ */ /* * Copyright (c) 2014, 2016 genua gmbh <info@genua.de> @@ -7677,10 +7677,8 @@ iwm_mac_ctxt_cmd_common(struct iwm_softc *sc, struct iwm_node *in, case IEEE80211_HTPROT_NONMEMBER: case IEEE80211_HTPROT_NONHT_MIXED: cmd->protection_flags |= - htole32(IWM_MAC_PROT_FLG_HT_PROT); - if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) - cmd->protection_flags |= - htole32(IWM_MAC_PROT_FLG_SELF_CTS_EN); + htole32(IWM_MAC_PROT_FLG_HT_PROT | + IWM_MAC_PROT_FLG_FAT_PROT); break; case IEEE80211_HTPROT_20MHZ: if (ic->ic_htcaps & IEEE80211_HTCAP_CBW20_40) { @@ -7688,9 +7686,6 @@ iwm_mac_ctxt_cmd_common(struct iwm_softc *sc, struct iwm_node *in, cmd->protection_flags |= htole32(IWM_MAC_PROT_FLG_HT_PROT | IWM_MAC_PROT_FLG_FAT_PROT); - if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) - cmd->protection_flags |= htole32( - IWM_MAC_PROT_FLG_SELF_CTS_EN); } break; default: |