[dev] Add netif class API.

dev/class/netif_api.c

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2013 Corey Tabaka
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <err.h>
+#include <dev/class/netif.h>
+
+status_t class_netif_set_state(struct device *dev, struct netstack_state *state)
+{
+	struct netif_ops *ops = device_get_driver_ops(dev, struct netif_ops, std);
+	if (!ops)
+		return ERR_NOT_CONFIGURED;
+	
+	if (ops->set_state)
+		return ops->set_state(dev, state);
+	else
+		return ERR_NOT_SUPPORTED;
+}
+
+ssize_t class_netif_get_hwaddr(struct device *dev, void *buf, size_t max_len)
+{
+	struct netif_ops *ops = device_get_driver_ops(dev, struct netif_ops, std);
+	if (!ops)
+		return ERR_NOT_CONFIGURED;
+	
+	if (ops->get_hwaddr)
+		return ops->get_hwaddr(dev, buf, max_len);
+	else
+		return ERR_NOT_SUPPORTED;
+}
+
+ssize_t class_netif_get_mtu(struct device *dev)
+{
+	struct netif_ops *ops = device_get_driver_ops(dev, struct netif_ops, std);
+	if (!ops)
+		return ERR_NOT_CONFIGURED;
+	
+	if (ops->get_mtu)
+		return ops->get_mtu(dev);
+	else
+		return ERR_NOT_SUPPORTED;
+}
+
+status_t class_netif_set_status(struct device *dev, bool up)
+{
+	struct netif_ops *ops = device_get_driver_ops(dev, struct netif_ops, std);
+	if (!ops)
+		return ERR_NOT_CONFIGURED;
+	
+	if (ops->set_status)
+		return ops->set_status(dev, up);
+	else
+		return ERR_NOT_SUPPORTED;
+}
+
+status_t class_netif_output(struct device *dev, struct pbuf *p)
+{
+	struct netif_ops *ops = device_get_driver_ops(dev, struct netif_ops, std);
+	if (!ops)
+		return ERR_NOT_CONFIGURED;
+	
+	if (ops->output)
+		return ops->output(dev, p);
+	else
+		return ERR_NOT_SUPPORTED;
+}
+
+status_t class_netif_mcast_filter(struct device *dev, const uint8_t *mac, int action)
+{
+	struct netif_ops *ops = device_get_driver_ops(dev, struct netif_ops, std);
+	if (!ops)
+		return ERR_NOT_CONFIGURED;
+	
+	if (ops->mcast_filter)
+		return ops->mcast_filter(dev, mac, action);
+	else
+		return ERR_NOT_SUPPORTED;
+}
+

dev/rules.mk

@@ -10,5 +10,6 @@ MODULE_SRCS += \
 	$(LOCAL_DIR)/class/spi_api.c \
 	$(LOCAL_DIR)/class/uart_api.c \
 	$(LOCAL_DIR)/class/fb_api.c \
+	$(LOCAL_DIR)/class/netif_api.c \
 
 include make/module.mk

include/dev/class/netif.h

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2013 Corey Tabaka
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef __DEV_CLASS_NETIF_H
+#define __DEV_CLASS_NETIF_H
+
+#include <list.h>
+#include <compiler.h>
+#include <dev/driver.h>
+
+struct netstack_state;
+struct pbuf;
+
+/* netif interface */
+struct netif_ops {
+	struct driver_ops std;
+
+	status_t (*set_state)(struct device *dev, struct netstack_state *state);
+	ssize_t (*get_hwaddr)(struct device *dev, void *buf, size_t max_len);
+	ssize_t (*get_mtu)(struct device *dev);
+
+	status_t (*set_status)(struct device *dev, bool up);
+	status_t (*output)(struct device *dev, struct pbuf *p);
+	status_t (*mcast_filter)(struct device *dev, const uint8_t *mac, int action);
+};
+
+__BEGIN_CDECLS
+
+/* netif API */
+status_t class_netif_set_state(struct device *dev, struct netstack_state *state);
+ssize_t class_netif_get_hwaddr(struct device *dev, void *buf, size_t max_len);
+ssize_t class_netif_get_mtu(struct device *dev);
+status_t class_netif_set_status(struct device *dev, bool up);
+status_t class_netif_output(struct device *dev, struct pbuf *p);
+status_t class_netif_mcast_filter(struct device *dev, const uint8_t *mac, int action);
+
+status_t class_netif_add(struct device *dev);
+
+/* network stack API - called by drivers */
+status_t class_netstack_input(struct device *dev, struct netstack_state *state, struct pbuf *p);
+
+status_t class_netstack_wait_for_network(lk_time_t timeout);
+
+__END_CDECLS
+
+#endif
+