Cross Reference: /drivers/net/wireless/brcm80211/brcmsmac/ampdu.c

Lines Matching refs:fifo
52 #define NUM_FFPLD_FIFO 4	/* number of fifo concerned by pre-loading */
79 /* structure to hold tx fifo information and pre-loading state
124  * fifo_tb: table of fifo infos
209 	struct brcms_fifo_info *fifo;
212 		fifo = (ampdu->fifo_tb + j);
213 		fifo->ampdu_pld_size = 0;
215 			fifo->mcs2ampdu_table[i] = 255;
216 		fifo->dmaxferrate = 0;
217 		fifo->accum_txampdu = 0;
218 		fifo->prev_txfunfl = 0;
219 		fifo->accum_txfunfl = 0;
241 	/* Disable ampdu for BK by default since not enough fifo space */
325 	struct brcms_fifo_info *fifo = (ampdu->fifo_tb + f);
329 	max_mpdu = min_t(u8, fifo->mcs2ampdu_table[FFPLD_MAX_MCS],
334 	      (max_mpdu * FFPLD_MPDU_SIZE - fifo->ampdu_pld_size))
336 	fifo->dmaxferrate = dma_rate;
344 			tmp = ((fifo->ampdu_pld_size * phy_rate) /
347 			fifo->mcs2ampdu_table[i] = (u8) tmp;
353  * If necessary, increase tx fifo preloading. If not enough,
367 	struct brcms_fifo_info *fifo = (ampdu->fifo_tb + fid);
375 	new_txunfl = (u16) (cur_txunfl - fifo->prev_txfunfl);
380 	fifo->prev_txfunfl = cur_txunfl;
385 	/* check if fifo is big enough */
393 	fifo->accum_txfunfl += new_txunfl;
396 	if (fifo->accum_txfunfl < 10)
400 		current_ampdu_cnt, fifo->accum_txfunfl);
411 	txunfl_ratio = current_ampdu_cnt / fifo->accum_txfunfl;
415 			fifo->accum_txfunfl = 0;
419 	max_mpdu = min_t(u8, fifo->mcs2ampdu_table[FFPLD_MAX_MCS],
423 	   the fifo depth, there is nothing more we can do.
426 	if (fifo->ampdu_pld_size >= max_mpdu * FFPLD_MPDU_SIZE) {
427 		fifo->accum_txfunfl = 0;
431 	if (fifo->ampdu_pld_size < max_pld_size) {
434 		fifo->ampdu_pld_size += FFPLD_PLD_INCR;
435 		if (fifo->ampdu_pld_size > max_pld_size)
436 			fifo->ampdu_pld_size = max_pld_size;
448 		fifo->dmaxferrate =
450 		      (max_mpdu * FFPLD_MPDU_SIZE - fifo->ampdu_pld_size))
455 			fifo->dmaxferrate, fifo->ampdu_pld_size);
459 		if (fifo->mcs2ampdu_table[FFPLD_MAX_MCS] > 1) {
460 			if (fifo->mcs2ampdu_table[FFPLD_MAX_MCS] == 255)
461 				fifo->mcs2ampdu_table[FFPLD_MAX_MCS] =
464 				fifo->mcs2ampdu_table[FFPLD_MAX_MCS] -= 1;
473 	fifo->accum_txfunfl = 0;
515 	uint i, count = 0, fifo, seg_cnt = 0;
567 			err = brcms_c_prep_pdu(wlc, p, &fifo);
756 				if (*wlc->core->txavail[fifo] <= seg_cnt + 1) {
757 					wiphy_err(wiphy, "%s: No fifo space  "
871 			brcms_c_txfifo(wlc, fifo, pkt[i], i == (count - 1),