462 efx_farch_build_rx_desc(struct efx_rx_queue *rx_queue, unsigned index)  in efx_farch_build_rx_desc()  argument
467 	rxd = efx_rx_desc(rx_queue, index);  in efx_farch_build_rx_desc()
468 	rx_buf = efx_rx_buffer(rx_queue, index);  in efx_farch_build_rx_desc()
472 			     rx_queue->efx->type->rx_buffer_padding,  in efx_farch_build_rx_desc()
480 void efx_farch_rx_write(struct efx_rx_queue *rx_queue)  in efx_farch_rx_write()  argument
482 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_write()
486 	while (rx_queue->notified_count != rx_queue->added_count) {  in efx_farch_rx_write()
488 			rx_queue,  in efx_farch_rx_write()
489 			rx_queue->notified_count & rx_queue->ptr_mask);  in efx_farch_rx_write()
490 		++rx_queue->notified_count;  in efx_farch_rx_write()
494 	write_ptr = rx_queue->added_count & rx_queue->ptr_mask;  in efx_farch_rx_write()
497 			efx_rx_queue_index(rx_queue));  in efx_farch_rx_write()
500 int efx_farch_rx_probe(struct efx_rx_queue *rx_queue)  in efx_farch_rx_probe()  argument
502 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_probe()
505 	entries = rx_queue->ptr_mask + 1;  in efx_farch_rx_probe()
506 	return efx_alloc_special_buffer(efx, &rx_queue->rxd,  in efx_farch_rx_probe()
510 void efx_farch_rx_init(struct efx_rx_queue *rx_queue)  in efx_farch_rx_init()  argument
513 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_init()
521 		  efx_rx_queue_index(rx_queue), rx_queue->rxd.index,  in efx_farch_rx_init()
522 		  rx_queue->rxd.index + rx_queue->rxd.entries - 1);  in efx_farch_rx_init()
524 	rx_queue->scatter_n = 0;  in efx_farch_rx_init()
527 	efx_init_special_buffer(efx, &rx_queue->rxd);  in efx_farch_rx_init()
533 			      FRF_AZ_RX_DESCQ_BUF_BASE_ID, rx_queue->rxd.index,  in efx_farch_rx_init()
535 			      efx_rx_queue_channel(rx_queue)->channel,  in efx_farch_rx_init()
538 			      efx_rx_queue_index(rx_queue),  in efx_farch_rx_init()
540 			      __ffs(rx_queue->rxd.entries),  in efx_farch_rx_init()
545 			 efx_rx_queue_index(rx_queue));  in efx_farch_rx_init()
548 static void efx_farch_flush_rx_queue(struct efx_rx_queue *rx_queue)  in efx_farch_flush_rx_queue()  argument
550 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_flush_rx_queue()
556 			     efx_rx_queue_index(rx_queue));  in efx_farch_flush_rx_queue()
560 void efx_farch_rx_fini(struct efx_rx_queue *rx_queue)  in efx_farch_rx_fini()  argument
563 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_fini()
568 			 efx_rx_queue_index(rx_queue));  in efx_farch_rx_fini()
571 	efx_fini_special_buffer(efx, &rx_queue->rxd);  in efx_farch_rx_fini()
575 void efx_farch_rx_remove(struct efx_rx_queue *rx_queue)  in efx_farch_rx_remove()  argument
577 	efx_free_special_buffer(rx_queue->efx, &rx_queue->rxd);  in efx_farch_rx_remove()
647 	struct efx_rx_queue *rx_queue;  in efx_farch_do_flush()  local
655 		efx_for_each_channel_rx_queue(rx_queue, channel) {  in efx_farch_do_flush()
656 			rx_queue->flush_pending = true;  in efx_farch_do_flush()
677 			efx_for_each_channel_rx_queue(rx_queue, channel) {  in efx_farch_do_flush()
682 				if (rx_queue->flush_pending) {  in efx_farch_do_flush()
683 					rx_queue->flush_pending = false;  in efx_farch_do_flush()
686 					efx_farch_flush_rx_queue(rx_queue);  in efx_farch_do_flush()
717 	struct efx_rx_queue *rx_queue;  in efx_farch_fini_dmaq()  local
730 			efx_for_each_channel_rx_queue(rx_queue, channel)  in efx_farch_fini_dmaq()
731 				efx_farch_rx_fini(rx_queue);  in efx_farch_fini_dmaq()
859 static u16 efx_farch_handle_rx_not_ok(struct efx_rx_queue *rx_queue,  in efx_farch_handle_rx_not_ok()  argument
862 	struct efx_channel *channel = efx_rx_queue_channel(rx_queue);  in efx_farch_handle_rx_not_ok()
863 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_handle_rx_not_ok()
912 			  efx_rx_queue_index(rx_queue), EFX_QWORD_VAL(*event),  in efx_farch_handle_rx_not_ok()
940 efx_farch_handle_rx_bad_index(struct efx_rx_queue *rx_queue, unsigned index)  in efx_farch_handle_rx_bad_index()  argument
942 	struct efx_channel *channel = efx_rx_queue_channel(rx_queue);  in efx_farch_handle_rx_bad_index()
943 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_handle_rx_bad_index()
946 	if (rx_queue->scatter_n &&  in efx_farch_handle_rx_bad_index()
947 	    index == ((rx_queue->removed_count + rx_queue->scatter_n - 1) &  in efx_farch_handle_rx_bad_index()
948 		      rx_queue->ptr_mask)) {  in efx_farch_handle_rx_bad_index()
953 	expected = rx_queue->removed_count & rx_queue->ptr_mask;  in efx_farch_handle_rx_bad_index()
954 	dropped = (index - expected) & rx_queue->ptr_mask;  in efx_farch_handle_rx_bad_index()
978 	struct efx_rx_queue *rx_queue;  in efx_farch_handle_rx_event()  local
989 	rx_queue = efx_channel_get_rx_queue(channel);  in efx_farch_handle_rx_event()
992 	expected_ptr = ((rx_queue->removed_count + rx_queue->scatter_n) &  in efx_farch_handle_rx_event()
993 			rx_queue->ptr_mask);  in efx_farch_handle_rx_event()
997 	    unlikely(rx_ev_sop != (rx_queue->scatter_n == 0))) {  in efx_farch_handle_rx_event()
999 		    !efx_farch_handle_rx_bad_index(rx_queue, rx_ev_desc_ptr))  in efx_farch_handle_rx_event()
1003 		if (rx_queue->scatter_n) {  in efx_farch_handle_rx_event()
1005 				rx_queue,  in efx_farch_handle_rx_event()
1006 				rx_queue->removed_count & rx_queue->ptr_mask,  in efx_farch_handle_rx_event()
1007 				rx_queue->scatter_n, 0, EFX_RX_PKT_DISCARD);  in efx_farch_handle_rx_event()
1008 			rx_queue->removed_count += rx_queue->scatter_n;  in efx_farch_handle_rx_event()
1009 			rx_queue->scatter_n = 0;  in efx_farch_handle_rx_event()
1019 				rx_queue,  in efx_farch_handle_rx_event()
1020 				rx_queue->removed_count & rx_queue->ptr_mask,  in efx_farch_handle_rx_event()
1022 			++rx_queue->removed_count;  in efx_farch_handle_rx_event()
1027 	++rx_queue->scatter_n;  in efx_farch_handle_rx_event()
1052 		flags = efx_farch_handle_rx_not_ok(rx_queue, event);  in efx_farch_handle_rx_event()
1070 	efx_rx_packet(rx_queue,  in efx_farch_handle_rx_event()
1071 		      rx_queue->removed_count & rx_queue->ptr_mask,  in efx_farch_handle_rx_event()
1072 		      rx_queue->scatter_n, rx_ev_byte_cnt, flags);  in efx_farch_handle_rx_event()
1073 	rx_queue->removed_count += rx_queue->scatter_n;  in efx_farch_handle_rx_event()
1074 	rx_queue->scatter_n = 0;  in efx_farch_handle_rx_event()
1106 	struct efx_rx_queue *rx_queue;  in efx_farch_handle_rx_flush_done()  local
1117 	rx_queue = efx_channel_get_rx_queue(channel);  in efx_farch_handle_rx_flush_done()
1122 		rx_queue->flush_pending = true;  in efx_farch_handle_rx_flush_done()
1125 		efx_farch_magic_event(efx_rx_queue_channel(rx_queue),  in efx_farch_handle_rx_flush_done()
1126 				      EFX_CHANNEL_MAGIC_RX_DRAIN(rx_queue));  in efx_farch_handle_rx_flush_done()
1148 	struct efx_rx_queue *rx_queue =  in efx_farch_handle_generated_event()  local
1158 	} else if (rx_queue && magic == EFX_CHANNEL_MAGIC_FILL(rx_queue)) {  in efx_farch_handle_generated_event()
1162 		efx_fast_push_rx_descriptors(rx_queue, true);  in efx_farch_handle_generated_event()
1163 	} else if (rx_queue && magic == EFX_CHANNEL_MAGIC_RX_DRAIN(rx_queue)) {  in efx_farch_handle_generated_event()
1406 void efx_farch_rx_defer_refill(struct efx_rx_queue *rx_queue)  in efx_farch_rx_defer_refill()  argument
1408 	efx_farch_magic_event(efx_rx_queue_channel(rx_queue),  in efx_farch_rx_defer_refill()
1409 			      EFX_CHANNEL_MAGIC_FILL(rx_queue));  in efx_farch_rx_defer_refill()