C++ (Cpp) rmnet_set_skb_proto 예제들

예제 #1

파일: rmnet_handlers.c 프로젝트: AlexShiLucky/linux

static void
__rmnet_map_ingress_handler(struct sk_buff *skb,
			    struct rmnet_port *port)
{
	struct rmnet_endpoint *ep;
	u16 len, pad;
	u8 mux_id;

	if (RMNET_MAP_GET_CD_BIT(skb)) {
		if (port->data_format & RMNET_FLAGS_INGRESS_MAP_COMMANDS)
			return rmnet_map_command(skb, port);

		goto free_skb;
	}

	mux_id = RMNET_MAP_GET_MUX_ID(skb);
	pad = RMNET_MAP_GET_PAD(skb);
	len = RMNET_MAP_GET_LENGTH(skb) - pad;

	if (mux_id >= RMNET_MAX_LOGICAL_EP)
		goto free_skb;

	ep = rmnet_get_endpoint(port, mux_id);
	if (!ep)
		goto free_skb;

	skb->dev = ep->egress_dev;

	/* Subtract MAP header */
	skb_pull(skb, sizeof(struct rmnet_map_header));
	rmnet_set_skb_proto(skb);

	if (port->data_format & RMNET_FLAGS_INGRESS_MAP_CKSUMV4) {
		if (!rmnet_map_checksum_downlink_packet(skb, len + pad))
			skb->ip_summed = CHECKSUM_UNNECESSARY;
	}

	skb_trim(skb, len);
	rmnet_deliver_skb(skb);
	return;

free_skb:
	kfree_skb(skb);
}

예제 #2

파일: rmnet_handlers.c 프로젝트: SantoshShilimkar/linux

static void
__rmnet_map_ingress_handler(struct sk_buff *skb,
			    struct rmnet_port *port)
{
	struct rmnet_endpoint *ep;
	u8 mux_id;
	u16 len;

	if (RMNET_MAP_GET_CD_BIT(skb)) {
		if (port->ingress_data_format
		    & RMNET_INGRESS_FORMAT_MAP_COMMANDS)
			return rmnet_map_command(skb, port);

		goto free_skb;
	}

	mux_id = RMNET_MAP_GET_MUX_ID(skb);
	len = RMNET_MAP_GET_LENGTH(skb) - RMNET_MAP_GET_PAD(skb);

	if (mux_id >= RMNET_MAX_LOGICAL_EP)
		goto free_skb;

	ep = rmnet_get_endpoint(port, mux_id);
	if (!ep)
		goto free_skb;

	skb->dev = ep->egress_dev;

	/* Subtract MAP header */
	skb_pull(skb, sizeof(struct rmnet_map_header));
	skb_trim(skb, len);
	rmnet_set_skb_proto(skb);
	rmnet_deliver_skb(skb);
	return;

free_skb:
	kfree_skb(skb);
}