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Implement htprotmode handling.

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This is separate to 11g protection - the default is to RTS protect
11n frames, including A-MPDU frames.

Tested:

* Intel 5100, STA mode
This commit is contained in:
Adrian Chadd 2014-09-08 07:16:00 +00:00
parent 78389e87b2
commit 9dd099b274
1 changed files with 6 additions and 3 deletions
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9
sys/dev/iwn/if_iwn.c
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@ -4206,11 +4206,11 @@ iwn_check_rate_needs_protection(struct iwn_softc *sc,
return (0);
/*
* If it's an 11n rate, then for now we enable
* protection.
* If it's an 11n rate - no protection.
* We'll do it via a specific 11n check.
*/
if (rate & IEEE80211_RATE_MCS) {
return (1);
return (0);
}
/*
@ -4440,6 +4440,9 @@ iwn_tx_data(struct iwn_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
flags |= IWN_TX_NEED_CTS;
else if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
flags |= IWN_TX_NEED_RTS;
} else if ((rate & IEEE80211_RATE_MCS) &&
(ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)) {
flags |= IWN_TX_NEED_RTS;
}
/* XXX HT protection? */