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@@ -14,10 +14,6 @@
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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-/*
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- * Implementation of transmit path.
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- */
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-
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#include "core.h"
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#define BITS_PER_BYTE 8
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@@ -698,41 +694,6 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
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series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
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}
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- /*
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- * For non-HT devices, calculate RTS/CTS duration in software
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- * and disable multi-rate retry.
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- */
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- if (flags && !(ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT)) {
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- /*
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- * Compute the transmit duration based on the frame
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- * size and the size of an ACK frame. We call into the
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- * HAL to do the computation since it depends on the
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- * characteristics of the actual PHY being used.
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- *
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- * NB: CTS is assumed the same size as an ACK so we can
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- * use the precalculated ACK durations.
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- */
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- if (flags & ATH9K_TXDESC_RTSENA) { /* SIFS + CTS */
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- ctsduration += bf_isshpreamble(bf) ?
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- rt->info[cix].spAckDuration :
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- rt->info[cix].lpAckDuration;
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- }
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-
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- ctsduration += series[0].PktDuration;
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-
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- if ((bf->bf_flags & ATH9K_TXDESC_NOACK) == 0) { /* SIFS + ACK */
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- ctsduration += bf_isshpreamble(bf) ?
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- rt->info[rix].spAckDuration :
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- rt->info[rix].lpAckDuration;
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- }
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-
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- /*
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- * Disable multi-rate retry when using RTS/CTS by clearing
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- * series 1, 2 and 3.
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- */
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- memset(&series[1], 0, sizeof(struct ath9k_11n_rate_series) * 3);
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- }
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-
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/*
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* set dur_update_en for l-sig computation except for PS-Poll frames
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*/
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Sujith