39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
--- a/ath/if_ath.c
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+++ b/ath/if_ath.c
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@@ -2723,6 +2723,9 @@ ar_device(int devid)
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static int
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ath_set_ack_bitrate(struct ath_softc *sc, int high)
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{
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+ if (!sc->sc_ackrate_override)
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+ return 0;
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+
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if (ar_device(sc->devid) == 5212 || ar_device(sc->devid) == 5213) {
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/* set ack to be sent at low bit-rate */
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/* registers taken from the OpenBSD 5212 HAL */
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@@ -10791,8 +10794,13 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl
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break;
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#endif
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case ATH_ACKRATE:
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- sc->sc_ackrate = val;
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- ath_set_ack_bitrate(sc, sc->sc_ackrate);
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+ if (val == -1)
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+ sc->sc_ackrate_override = 0;
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+ else {
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+ sc->sc_ackrate_override = 1;
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+ sc->sc_ackrate = val;
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+ ath_set_ack_bitrate(sc, sc->sc_ackrate);
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+ }
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break;
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case ATH_RP:
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ath_rp_record(sc,
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--- a/ath/if_athvar.h
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+++ b/ath/if_athvar.h
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@@ -681,6 +681,7 @@ struct ath_softc {
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unsigned int sc_devstopped:1; /* stopped due to of no tx bufs */
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unsigned int sc_stagbeacons:1; /* use staggered beacons */
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unsigned int sc_dfswait:1; /* waiting on channel for radar detect */
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+ unsigned int sc_ackrate_override:1; /* override ack rate */
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unsigned int sc_ackrate:1; /* send acks at high bitrate */
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unsigned int sc_dfs_cac:1; /* waiting on channel for radar detect */
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unsigned int sc_hasintmit:1; /* Interference mitigation */
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