37 	struct sparx5_rx *rx = &sparx5->rx;  in sparx5_fdma_rx_dataptr_cb()  local
40 	skb = __netdev_alloc_skb(rx->ndev, fdma->db_size, GFP_ATOMIC);  in sparx5_fdma_rx_dataptr_cb()
46 	rx->skb[dcb][db] = skb;  in sparx5_fdma_rx_dataptr_cb()
51 static void sparx5_fdma_rx_activate(struct sparx5 *sparx5, struct sparx5_rx *rx)  in sparx5_fdma_rx_activate()  argument
53 	struct fdma *fdma = &rx->fdma;  in sparx5_fdma_rx_activate()
61 	/* Set the number of RX DBs to be used, and DB end-of-frame interrupt */  in sparx5_fdma_rx_activate()
67 	/* Set the RX Watermark to max */  in sparx5_fdma_rx_activate()
72 	/* Start RX fdma */  in sparx5_fdma_rx_activate()
76 	/* Enable RX channel DB interrupt */  in sparx5_fdma_rx_activate()
81 	/* Activate the RX channel */  in sparx5_fdma_rx_activate()
85 static void sparx5_fdma_rx_deactivate(struct sparx5 *sparx5, struct sparx5_rx *rx)  in sparx5_fdma_rx_deactivate()  argument
87 	struct fdma *fdma = &rx->fdma;  in sparx5_fdma_rx_deactivate()
89 	/* Deactivate the RX channel */  in sparx5_fdma_rx_deactivate()
93 	/* Disable RX channel DB interrupt */  in sparx5_fdma_rx_deactivate()
97 	/* Stop RX fdma */  in sparx5_fdma_rx_deactivate()
135 	/* Reload the RX channel */  in sparx5_fdma_reload()
139 static bool sparx5_fdma_rx_get_frame(struct sparx5 *sparx5, struct sparx5_rx *rx)  in sparx5_fdma_rx_get_frame()  argument
141 	struct fdma *fdma = &rx->fdma;  in sparx5_fdma_rx_get_frame()
151 	skb = rx->skb[fdma->dcb_index][fdma->db_index];  in sparx5_fdma_rx_get_frame()
178 	rx->packets++;  in sparx5_fdma_rx_get_frame()
185 	struct sparx5_rx *rx = container_of(napi, struct sparx5_rx, napi);  in sparx5_fdma_napi_callback()  local
186 	struct sparx5 *sparx5 = container_of(rx, struct sparx5, rx);  in sparx5_fdma_napi_callback()
187 	struct fdma *fdma = &rx->fdma;  in sparx5_fdma_napi_callback()
190 	while (counter < weight && sparx5_fdma_rx_get_frame(sparx5, rx)) {  in sparx5_fdma_napi_callback()
203 		napi_complete_done(&rx->napi, counter);  in sparx5_fdma_napi_callback()
245 	struct sparx5_rx *rx = &sparx5->rx;  in sparx5_fdma_rx_alloc()  local
246 	struct fdma *fdma = &rx->fdma;  in sparx5_fdma_rx_alloc()
276 				struct sparx5_rx *rx, int channel)  in sparx5_fdma_rx_init()  argument
278 	struct fdma *fdma = &rx->fdma;  in sparx5_fdma_rx_init()
286 	fdma->size = fdma_get_size(&sparx5->rx.fdma);  in sparx5_fdma_rx_init()
294 			rx->ndev = port->ndev;  in sparx5_fdma_rx_init()
326 		napi_schedule(&sparx5->rx.napi);  in sparx5_fdma_handler()
420 	sparx5_fdma_rx_init(sparx5, &sparx5->rx, FDMA_XTR_CHANNEL);  in sparx5_fdma_init()
424 		dev_err(sparx5->dev, "Could not allocate RX buffers: %d\n", err);  in sparx5_fdma_init()
438 	fdma_free_phys(&sparx5->rx.fdma);  in sparx5_fdma_deinit()
452 	struct sparx5_rx *rx = &sparx5->rx;  in sparx5_fdma_start()  local
455 	netif_napi_add_weight(rx->ndev,  in sparx5_fdma_start()
456 			      &rx->napi,  in sparx5_fdma_start()
460 	napi_enable(&rx->napi);  in sparx5_fdma_start()
462 	sparx5_fdma_rx_activate(sparx5, rx);  in sparx5_fdma_start()
470 	struct sparx5_rx *rx = &sparx5->rx;  in sparx5_fdma_stop()  local
474 	napi_disable(&rx->napi);  in sparx5_fdma_stop()
477 	sparx5_fdma_rx_deactivate(sparx5, rx);  in sparx5_fdma_stop()
480 	/* Wait for the RX channel to stop */  in sparx5_fdma_stop()