459 efx_farch_build_rx_desc(struct efx_rx_queue *rx_queue, unsigned index)  in efx_farch_build_rx_desc()  argument
464 	rxd = efx_rx_desc(rx_queue, index);  in efx_farch_build_rx_desc()
465 	rx_buf = efx_rx_buffer(rx_queue, index);  in efx_farch_build_rx_desc()
469 			     rx_queue->efx->type->rx_buffer_padding,  in efx_farch_build_rx_desc()
477 void efx_farch_rx_write(struct efx_rx_queue *rx_queue)  in efx_farch_rx_write()  argument
479 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_write()
483 	while (rx_queue->notified_count != rx_queue->added_count) {  in efx_farch_rx_write()
485 			rx_queue,  in efx_farch_rx_write()
486 			rx_queue->notified_count & rx_queue->ptr_mask);  in efx_farch_rx_write()
487 		++rx_queue->notified_count;  in efx_farch_rx_write()
491 	write_ptr = rx_queue->added_count & rx_queue->ptr_mask;  in efx_farch_rx_write()
494 			efx_rx_queue_index(rx_queue));  in efx_farch_rx_write()
497 int efx_farch_rx_probe(struct efx_rx_queue *rx_queue)  in efx_farch_rx_probe()  argument
499 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_probe()
502 	entries = rx_queue->ptr_mask + 1;  in efx_farch_rx_probe()
503 	return efx_alloc_special_buffer(efx, &rx_queue->rxd,  in efx_farch_rx_probe()
507 void efx_farch_rx_init(struct efx_rx_queue *rx_queue)  in efx_farch_rx_init()  argument
510 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_init()
518 		  efx_rx_queue_index(rx_queue), rx_queue->rxd.index,  in efx_farch_rx_init()
519 		  rx_queue->rxd.index + rx_queue->rxd.entries - 1);  in efx_farch_rx_init()
521 	rx_queue->scatter_n = 0;  in efx_farch_rx_init()
524 	efx_init_special_buffer(efx, &rx_queue->rxd);  in efx_farch_rx_init()
530 			      FRF_AZ_RX_DESCQ_BUF_BASE_ID, rx_queue->rxd.index,  in efx_farch_rx_init()
532 			      efx_rx_queue_channel(rx_queue)->channel,  in efx_farch_rx_init()
535 			      efx_rx_queue_index(rx_queue),  in efx_farch_rx_init()
537 			      __ffs(rx_queue->rxd.entries),  in efx_farch_rx_init()
542 			 efx_rx_queue_index(rx_queue));  in efx_farch_rx_init()
545 static void efx_farch_flush_rx_queue(struct efx_rx_queue *rx_queue)  in efx_farch_flush_rx_queue()  argument
547 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_flush_rx_queue()
553 			     efx_rx_queue_index(rx_queue));  in efx_farch_flush_rx_queue()
557 void efx_farch_rx_fini(struct efx_rx_queue *rx_queue)  in efx_farch_rx_fini()  argument
560 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_rx_fini()
565 			 efx_rx_queue_index(rx_queue));  in efx_farch_rx_fini()
568 	efx_fini_special_buffer(efx, &rx_queue->rxd);  in efx_farch_rx_fini()
572 void efx_farch_rx_remove(struct efx_rx_queue *rx_queue)  in efx_farch_rx_remove()  argument
574 	efx_free_special_buffer(rx_queue->efx, &rx_queue->rxd);  in efx_farch_rx_remove()
644 	struct efx_rx_queue *rx_queue;  in efx_farch_do_flush()  local
652 		efx_for_each_channel_rx_queue(rx_queue, channel) {  in efx_farch_do_flush()
653 			rx_queue->flush_pending = true;  in efx_farch_do_flush()
674 			efx_for_each_channel_rx_queue(rx_queue, channel) {  in efx_farch_do_flush()
679 				if (rx_queue->flush_pending) {  in efx_farch_do_flush()
680 					rx_queue->flush_pending = false;  in efx_farch_do_flush()
683 					efx_farch_flush_rx_queue(rx_queue);  in efx_farch_do_flush()
714 	struct efx_rx_queue *rx_queue;  in efx_farch_fini_dmaq()  local
727 			efx_for_each_channel_rx_queue(rx_queue, channel)  in efx_farch_fini_dmaq()
728 				efx_farch_rx_fini(rx_queue);  in efx_farch_fini_dmaq()
856 static u16 efx_farch_handle_rx_not_ok(struct efx_rx_queue *rx_queue,  in efx_farch_handle_rx_not_ok()  argument
859 	struct efx_channel *channel = efx_rx_queue_channel(rx_queue);  in efx_farch_handle_rx_not_ok()
860 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_handle_rx_not_ok()
909 			  efx_rx_queue_index(rx_queue), EFX_QWORD_VAL(*event),  in efx_farch_handle_rx_not_ok()
937 efx_farch_handle_rx_bad_index(struct efx_rx_queue *rx_queue, unsigned index)  in efx_farch_handle_rx_bad_index()  argument
939 	struct efx_channel *channel = efx_rx_queue_channel(rx_queue);  in efx_farch_handle_rx_bad_index()
940 	struct efx_nic *efx = rx_queue->efx;  in efx_farch_handle_rx_bad_index()
943 	if (rx_queue->scatter_n &&  in efx_farch_handle_rx_bad_index()
944 	    index == ((rx_queue->removed_count + rx_queue->scatter_n - 1) &  in efx_farch_handle_rx_bad_index()
945 		      rx_queue->ptr_mask)) {  in efx_farch_handle_rx_bad_index()
950 	expected = rx_queue->removed_count & rx_queue->ptr_mask;  in efx_farch_handle_rx_bad_index()
951 	dropped = (index - expected) & rx_queue->ptr_mask;  in efx_farch_handle_rx_bad_index()
975 	struct efx_rx_queue *rx_queue;  in efx_farch_handle_rx_event()  local
986 	rx_queue = efx_channel_get_rx_queue(channel);  in efx_farch_handle_rx_event()
989 	expected_ptr = ((rx_queue->removed_count + rx_queue->scatter_n) &  in efx_farch_handle_rx_event()
990 			rx_queue->ptr_mask);  in efx_farch_handle_rx_event()
994 	    unlikely(rx_ev_sop != (rx_queue->scatter_n == 0))) {  in efx_farch_handle_rx_event()
996 		    !efx_farch_handle_rx_bad_index(rx_queue, rx_ev_desc_ptr))  in efx_farch_handle_rx_event()
1000 		if (rx_queue->scatter_n) {  in efx_farch_handle_rx_event()
1002 				rx_queue,  in efx_farch_handle_rx_event()
1003 				rx_queue->removed_count & rx_queue->ptr_mask,  in efx_farch_handle_rx_event()
1004 				rx_queue->scatter_n, 0, EFX_RX_PKT_DISCARD);  in efx_farch_handle_rx_event()
1005 			rx_queue->removed_count += rx_queue->scatter_n;  in efx_farch_handle_rx_event()
1006 			rx_queue->scatter_n = 0;  in efx_farch_handle_rx_event()
1016 				rx_queue,  in efx_farch_handle_rx_event()
1017 				rx_queue->removed_count & rx_queue->ptr_mask,  in efx_farch_handle_rx_event()
1019 			++rx_queue->removed_count;  in efx_farch_handle_rx_event()
1024 	++rx_queue->scatter_n;  in efx_farch_handle_rx_event()
1049 		flags = efx_farch_handle_rx_not_ok(rx_queue, event);  in efx_farch_handle_rx_event()
1067 	efx_rx_packet(rx_queue,  in efx_farch_handle_rx_event()
1068 		      rx_queue->removed_count & rx_queue->ptr_mask,  in efx_farch_handle_rx_event()
1069 		      rx_queue->scatter_n, rx_ev_byte_cnt, flags);  in efx_farch_handle_rx_event()
1070 	rx_queue->removed_count += rx_queue->scatter_n;  in efx_farch_handle_rx_event()
1071 	rx_queue->scatter_n = 0;  in efx_farch_handle_rx_event()
1103 	struct efx_rx_queue *rx_queue;  in efx_farch_handle_rx_flush_done()  local
1114 	rx_queue = efx_channel_get_rx_queue(channel);  in efx_farch_handle_rx_flush_done()
1119 		rx_queue->flush_pending = true;  in efx_farch_handle_rx_flush_done()
1122 		efx_farch_magic_event(efx_rx_queue_channel(rx_queue),  in efx_farch_handle_rx_flush_done()
1123 				      EFX_CHANNEL_MAGIC_RX_DRAIN(rx_queue));  in efx_farch_handle_rx_flush_done()
1145 	struct efx_rx_queue *rx_queue =  in efx_farch_handle_generated_event()  local
1155 	} else if (rx_queue && magic == EFX_CHANNEL_MAGIC_FILL(rx_queue)) {  in efx_farch_handle_generated_event()
1159 		efx_fast_push_rx_descriptors(rx_queue, true);  in efx_farch_handle_generated_event()
1160 	} else if (rx_queue && magic == EFX_CHANNEL_MAGIC_RX_DRAIN(rx_queue)) {  in efx_farch_handle_generated_event()
1403 void efx_farch_rx_defer_refill(struct efx_rx_queue *rx_queue)  in efx_farch_rx_defer_refill()  argument
1405 	efx_farch_magic_event(efx_rx_queue_channel(rx_queue),  in efx_farch_rx_defer_refill()
1406 			      EFX_CHANNEL_MAGIC_FILL(rx_queue));  in efx_farch_rx_defer_refill()