467 efx_farch_build_rx_desc(struct efx_rx_queue *rx_queue, unsigned index)  in efx_farch_build_rx_desc()  argument
472 	rxd = efx_rx_desc(rx_queue, index);  in efx_farch_build_rx_desc()
473 	rx_buf = efx_rx_buffer(rx_queue, index);  in efx_farch_build_rx_desc()
477 			     rx_queue->efx->type->rx_buffer_padding,  in efx_farch_build_rx_desc()
485 void efx_farch_rx_write(struct efx_rx_queue *rx_queue)  in efx_farch_rx_write()  argument
487 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_write()
491 	while (rx_queue->notified_count != rx_queue->added_count) {  in efx_farch_rx_write()
493 			rx_queue,  in efx_farch_rx_write()
494 			rx_queue->notified_count & rx_queue->ptr_mask);  in efx_farch_rx_write()
495 		++rx_queue->notified_count;  in efx_farch_rx_write()
499 	write_ptr = rx_queue->added_count & rx_queue->ptr_mask;  in efx_farch_rx_write()
502 			efx_rx_queue_index(rx_queue));  in efx_farch_rx_write()
505 int efx_farch_rx_probe(struct efx_rx_queue *rx_queue)  in efx_farch_rx_probe()  argument
507 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_probe()
510 	entries = rx_queue->ptr_mask + 1;  in efx_farch_rx_probe()
511 	return efx_alloc_special_buffer(efx, &rx_queue->rxd,  in efx_farch_rx_probe()
515 void efx_farch_rx_init(struct efx_rx_queue *rx_queue)  in efx_farch_rx_init()  argument
518 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_init()
532 		  efx_rx_queue_index(rx_queue), rx_queue->rxd.index,  in efx_farch_rx_init()
533 		  rx_queue->rxd.index + rx_queue->rxd.entries - 1);  in efx_farch_rx_init()
535 	rx_queue->scatter_n = 0;  in efx_farch_rx_init()
538 	efx_init_special_buffer(efx, &rx_queue->rxd);  in efx_farch_rx_init()
544 			      FRF_AZ_RX_DESCQ_BUF_BASE_ID, rx_queue->rxd.index,  in efx_farch_rx_init()
546 			      efx_rx_queue_channel(rx_queue)->channel,  in efx_farch_rx_init()
549 			      efx_rx_queue_index(rx_queue),  in efx_farch_rx_init()
551 			      __ffs(rx_queue->rxd.entries),  in efx_farch_rx_init()
556 			 efx_rx_queue_index(rx_queue));  in efx_farch_rx_init()
559 static void efx_farch_flush_rx_queue(struct efx_rx_queue *rx_queue)  in efx_farch_flush_rx_queue()  argument
561 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_flush_rx_queue()
567 			     efx_rx_queue_index(rx_queue));  in efx_farch_flush_rx_queue()
571 void efx_farch_rx_fini(struct efx_rx_queue *rx_queue)  in efx_farch_rx_fini()  argument
574 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_fini()
579 			 efx_rx_queue_index(rx_queue));  in efx_farch_rx_fini()
582 	efx_fini_special_buffer(efx, &rx_queue->rxd);  in efx_farch_rx_fini()
586 void efx_farch_rx_remove(struct efx_rx_queue *rx_queue)  in efx_farch_rx_remove()  argument
588 	efx_free_special_buffer(rx_queue->efx, &rx_queue->rxd);  in efx_farch_rx_remove()
658 	struct efx_rx_queue *rx_queue;  in efx_farch_do_flush()  local
666 		efx_for_each_channel_rx_queue(rx_queue, channel) {  in efx_farch_do_flush()
667 			rx_queue->flush_pending = true;  in efx_farch_do_flush()
688 			efx_for_each_channel_rx_queue(rx_queue, channel) {  in efx_farch_do_flush()
693 				if (rx_queue->flush_pending) {  in efx_farch_do_flush()
694 					rx_queue->flush_pending = false;  in efx_farch_do_flush()
697 					efx_farch_flush_rx_queue(rx_queue);  in efx_farch_do_flush()
728 	struct efx_rx_queue *rx_queue;  in efx_farch_fini_dmaq()  local
741 			efx_for_each_channel_rx_queue(rx_queue, channel)  in efx_farch_fini_dmaq()
742 				efx_farch_rx_fini(rx_queue);  in efx_farch_fini_dmaq()
875 static u16 efx_farch_handle_rx_not_ok(struct efx_rx_queue *rx_queue,  in efx_farch_handle_rx_not_ok()  argument
878 	struct efx_channel *channel = efx_rx_queue_channel(rx_queue);  in efx_farch_handle_rx_not_ok()
879 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_handle_rx_not_ok()
930 			  efx_rx_queue_index(rx_queue), EFX_QWORD_VAL(*event),  in efx_farch_handle_rx_not_ok()
955 efx_farch_handle_rx_bad_index(struct efx_rx_queue *rx_queue, unsigned index)  in efx_farch_handle_rx_bad_index()  argument
957 	struct efx_channel *channel = efx_rx_queue_channel(rx_queue);  in efx_farch_handle_rx_bad_index()
958 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_handle_rx_bad_index()
961 	if (rx_queue->scatter_n &&  in efx_farch_handle_rx_bad_index()
962 	    index == ((rx_queue->removed_count + rx_queue->scatter_n - 1) &  in efx_farch_handle_rx_bad_index()
963 		      rx_queue->ptr_mask)) {  in efx_farch_handle_rx_bad_index()
968 	expected = rx_queue->removed_count & rx_queue->ptr_mask;  in efx_farch_handle_rx_bad_index()
969 	dropped = (index - expected) & rx_queue->ptr_mask;  in efx_farch_handle_rx_bad_index()
994 	struct efx_rx_queue *rx_queue;  in efx_farch_handle_rx_event()  local
1005 	rx_queue = efx_channel_get_rx_queue(channel);  in efx_farch_handle_rx_event()
1008 	expected_ptr = ((rx_queue->removed_count + rx_queue->scatter_n) &  in efx_farch_handle_rx_event()
1009 			rx_queue->ptr_mask);  in efx_farch_handle_rx_event()
1013 	    unlikely(rx_ev_sop != (rx_queue->scatter_n == 0))) {  in efx_farch_handle_rx_event()
1015 		    !efx_farch_handle_rx_bad_index(rx_queue, rx_ev_desc_ptr))  in efx_farch_handle_rx_event()
1019 		if (rx_queue->scatter_n) {  in efx_farch_handle_rx_event()
1021 				rx_queue,  in efx_farch_handle_rx_event()
1022 				rx_queue->removed_count & rx_queue->ptr_mask,  in efx_farch_handle_rx_event()
1023 				rx_queue->scatter_n, 0, EFX_RX_PKT_DISCARD);  in efx_farch_handle_rx_event()
1024 			rx_queue->removed_count += rx_queue->scatter_n;  in efx_farch_handle_rx_event()
1025 			rx_queue->scatter_n = 0;  in efx_farch_handle_rx_event()
1035 				rx_queue,  in efx_farch_handle_rx_event()
1036 				rx_queue->removed_count & rx_queue->ptr_mask,  in efx_farch_handle_rx_event()
1038 			++rx_queue->removed_count;  in efx_farch_handle_rx_event()
1043 	++rx_queue->scatter_n;  in efx_farch_handle_rx_event()
1068 		flags = efx_farch_handle_rx_not_ok(rx_queue, event);  in efx_farch_handle_rx_event()
1086 	efx_rx_packet(rx_queue,  in efx_farch_handle_rx_event()
1087 		      rx_queue->removed_count & rx_queue->ptr_mask,  in efx_farch_handle_rx_event()
1088 		      rx_queue->scatter_n, rx_ev_byte_cnt, flags);  in efx_farch_handle_rx_event()
1089 	rx_queue->removed_count += rx_queue->scatter_n;  in efx_farch_handle_rx_event()
1090 	rx_queue->scatter_n = 0;  in efx_farch_handle_rx_event()
1122 	struct efx_rx_queue *rx_queue;  in efx_farch_handle_rx_flush_done()  local
1133 	rx_queue = efx_channel_get_rx_queue(channel);  in efx_farch_handle_rx_flush_done()
1138 		rx_queue->flush_pending = true;  in efx_farch_handle_rx_flush_done()
1141 		efx_farch_magic_event(efx_rx_queue_channel(rx_queue),  in efx_farch_handle_rx_flush_done()
1142 				      EFX_CHANNEL_MAGIC_RX_DRAIN(rx_queue));  in efx_farch_handle_rx_flush_done()
1164 	struct efx_rx_queue *rx_queue =  in efx_farch_handle_generated_event()  local
1174 	} else if (rx_queue && magic == EFX_CHANNEL_MAGIC_FILL(rx_queue)) {  in efx_farch_handle_generated_event()
1178 		efx_fast_push_rx_descriptors(rx_queue, true);  in efx_farch_handle_generated_event()
1179 	} else if (rx_queue && magic == EFX_CHANNEL_MAGIC_RX_DRAIN(rx_queue)) {  in efx_farch_handle_generated_event()
1434 void efx_farch_rx_defer_refill(struct efx_rx_queue *rx_queue)  in efx_farch_rx_defer_refill()  argument
1436 	efx_farch_magic_event(efx_rx_queue_channel(rx_queue),  in efx_farch_rx_defer_refill()
1437 			      EFX_CHANNEL_MAGIC_FILL(rx_queue));  in efx_farch_rx_defer_refill()