Dependents:   SNMPAgent HTTPServer think_speak_a cyassl-client ... more

Committer:
mamezu
Date:
Thu Dec 09 01:33:56 2010 +0000
Revision:
0:0f6c82fcde82

        

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mamezu 0:0f6c82fcde82 1 /*
mamezu 0:0f6c82fcde82 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
mamezu 0:0f6c82fcde82 3 * All rights reserved.
mamezu 0:0f6c82fcde82 4 *
mamezu 0:0f6c82fcde82 5 * Redistribution and use in source and binary forms, with or without modification,
mamezu 0:0f6c82fcde82 6 * are permitted provided that the following conditions are met:
mamezu 0:0f6c82fcde82 7 *
mamezu 0:0f6c82fcde82 8 * 1. Redistributions of source code must retain the above copyright notice,
mamezu 0:0f6c82fcde82 9 * this list of conditions and the following disclaimer.
mamezu 0:0f6c82fcde82 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
mamezu 0:0f6c82fcde82 11 * this list of conditions and the following disclaimer in the documentation
mamezu 0:0f6c82fcde82 12 * and/or other materials provided with the distribution.
mamezu 0:0f6c82fcde82 13 * 3. The name of the author may not be used to endorse or promote products
mamezu 0:0f6c82fcde82 14 * derived from this software without specific prior written permission.
mamezu 0:0f6c82fcde82 15 *
mamezu 0:0f6c82fcde82 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
mamezu 0:0f6c82fcde82 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mamezu 0:0f6c82fcde82 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
mamezu 0:0f6c82fcde82 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
mamezu 0:0f6c82fcde82 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
mamezu 0:0f6c82fcde82 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mamezu 0:0f6c82fcde82 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mamezu 0:0f6c82fcde82 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
mamezu 0:0f6c82fcde82 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
mamezu 0:0f6c82fcde82 25 * OF SUCH DAMAGE.
mamezu 0:0f6c82fcde82 26 *
mamezu 0:0f6c82fcde82 27 * This file is part of the lwIP TCP/IP stack.
mamezu 0:0f6c82fcde82 28 *
mamezu 0:0f6c82fcde82 29 * Author: Adam Dunkels <adam@sics.se>
mamezu 0:0f6c82fcde82 30 *
mamezu 0:0f6c82fcde82 31 */
mamezu 0:0f6c82fcde82 32 #ifndef __LWIP_NETIF_H__
mamezu 0:0f6c82fcde82 33 #define __LWIP_NETIF_H__
mamezu 0:0f6c82fcde82 34
mamezu 0:0f6c82fcde82 35 #include "lwip/opt.h"
mamezu 0:0f6c82fcde82 36
mamezu 0:0f6c82fcde82 37 #define ENABLE_LOOPBACK (LWIP_NETIF_LOOPBACK || LWIP_HAVE_LOOPIF)
mamezu 0:0f6c82fcde82 38
mamezu 0:0f6c82fcde82 39 #include "lwip/err.h"
mamezu 0:0f6c82fcde82 40
mamezu 0:0f6c82fcde82 41 #include "lwip/ip_addr.h"
mamezu 0:0f6c82fcde82 42
mamezu 0:0f6c82fcde82 43 #include "lwip/def.h"
mamezu 0:0f6c82fcde82 44 #include "lwip/pbuf.h"
mamezu 0:0f6c82fcde82 45 #if LWIP_DHCP
mamezu 0:0f6c82fcde82 46 struct dhcp;
mamezu 0:0f6c82fcde82 47 #endif
mamezu 0:0f6c82fcde82 48 #if LWIP_AUTOIP
mamezu 0:0f6c82fcde82 49 struct autoip;
mamezu 0:0f6c82fcde82 50 #endif
mamezu 0:0f6c82fcde82 51
mamezu 0:0f6c82fcde82 52 #ifdef __cplusplus
mamezu 0:0f6c82fcde82 53 extern "C" {
mamezu 0:0f6c82fcde82 54 #endif
mamezu 0:0f6c82fcde82 55
mamezu 0:0f6c82fcde82 56 /* Throughout this file, IP addresses are expected to be in
mamezu 0:0f6c82fcde82 57 * the same byte order as in IP_PCB. */
mamezu 0:0f6c82fcde82 58
mamezu 0:0f6c82fcde82 59 /* must be the maximum of all used hardware address lengths
mamezu 0:0f6c82fcde82 60 across all types of interfaces in use */
mamezu 0:0f6c82fcde82 61 #define NETIF_MAX_HWADDR_LEN 6U
mamezu 0:0f6c82fcde82 62
mamezu 0:0f6c82fcde82 63 /* Whether the network interface is 'up'. This is
mamezu 0:0f6c82fcde82 64 * a software flag used to control whether this network
mamezu 0:0f6c82fcde82 65 * interface is enabled and processes traffic.
mamezu 0:0f6c82fcde82 66 * It is set by the startup code (for static IP configuration) or
mamezu 0:0f6c82fcde82 67 * by dhcp/autoip when an address has been assigned.
mamezu 0:0f6c82fcde82 68 */
mamezu 0:0f6c82fcde82 69 #define NETIF_FLAG_UP 0x01U
mamezu 0:0f6c82fcde82 70 /* If set, the netif has broadcast capability.
mamezu 0:0f6c82fcde82 71 * Set by the netif driver in its init function. */
mamezu 0:0f6c82fcde82 72 #define NETIF_FLAG_BROADCAST 0x02U
mamezu 0:0f6c82fcde82 73 /* If set, the netif is one end of a point-to-point connection.
mamezu 0:0f6c82fcde82 74 * Set by the netif driver in its init function. */
mamezu 0:0f6c82fcde82 75 #define NETIF_FLAG_POINTTOPOINT 0x04U
mamezu 0:0f6c82fcde82 76 /* If set, the interface is configured using DHCP.
mamezu 0:0f6c82fcde82 77 * Set by the DHCP code when starting or stopping DHCP. */
mamezu 0:0f6c82fcde82 78 #define NETIF_FLAG_DHCP 0x08U
mamezu 0:0f6c82fcde82 79 /* If set, the interface has an active link
mamezu 0:0f6c82fcde82 80 * (set by the network interface driver).
mamezu 0:0f6c82fcde82 81 * Either set by the netif driver in its init function (if the link
mamezu 0:0f6c82fcde82 82 * is up at that time) or at a later point once the link comes up
mamezu 0:0f6c82fcde82 83 * (if link detection is supported by the hardware). */
mamezu 0:0f6c82fcde82 84 #define NETIF_FLAG_LINK_UP 0x10U
mamezu 0:0f6c82fcde82 85 /* If set, the netif is an ethernet device using ARP.
mamezu 0:0f6c82fcde82 86 * Set by the netif driver in its init function.
mamezu 0:0f6c82fcde82 87 * Used to check input packet types and use of DHCP. */
mamezu 0:0f6c82fcde82 88 #define NETIF_FLAG_ETHARP 0x20U
mamezu 0:0f6c82fcde82 89 /* If set, the netif is an ethernet device. It might not use
mamezu 0:0f6c82fcde82 90 * ARP or TCP/IP if it is used for PPPoE only.
mamezu 0:0f6c82fcde82 91 */
mamezu 0:0f6c82fcde82 92 #define NETIF_FLAG_ETHERNET 0x40U
mamezu 0:0f6c82fcde82 93 /* If set, the netif has IGMP capability.
mamezu 0:0f6c82fcde82 94 * Set by the netif driver in its init function. */
mamezu 0:0f6c82fcde82 95 #define NETIF_FLAG_IGMP 0x80U
mamezu 0:0f6c82fcde82 96
mamezu 0:0f6c82fcde82 97 /* Function prototype for netif init functions. Set up flags and output/linkoutput
mamezu 0:0f6c82fcde82 98 * callback functions in this function.
mamezu 0:0f6c82fcde82 99 *
mamezu 0:0f6c82fcde82 100 * @param netif The netif to initialize
mamezu 0:0f6c82fcde82 101 */
mamezu 0:0f6c82fcde82 102 typedef err_t (*netif_init_fn)(struct netif *netif);
mamezu 0:0f6c82fcde82 103 /* Function prototype for netif->input functions. This function is saved as 'input'
mamezu 0:0f6c82fcde82 104 * callback function in the netif struct. Call it when a packet has been received.
mamezu 0:0f6c82fcde82 105 *
mamezu 0:0f6c82fcde82 106 * @param p The received packet, copied into a pbuf
mamezu 0:0f6c82fcde82 107 * @param inp The netif which received the packet
mamezu 0:0f6c82fcde82 108 */
mamezu 0:0f6c82fcde82 109 typedef err_t (*netif_input_fn)(struct pbuf *p, struct netif *inp);
mamezu 0:0f6c82fcde82 110 /* Function prototype for netif->output functions. Called by lwIP when a packet
mamezu 0:0f6c82fcde82 111 * shall be sent. For ethernet netif, set this to 'etharp_output' and set
mamezu 0:0f6c82fcde82 112 * 'linkoutput'.
mamezu 0:0f6c82fcde82 113 *
mamezu 0:0f6c82fcde82 114 * @param netif The netif which shall send a packet
mamezu 0:0f6c82fcde82 115 * @param p The packet to send (p->payload points to IP header)
mamezu 0:0f6c82fcde82 116 * @param ipaddr The IP address to which the packet shall be sent
mamezu 0:0f6c82fcde82 117 */
mamezu 0:0f6c82fcde82 118 typedef err_t (*netif_output_fn)(struct netif *netif, struct pbuf *p,
mamezu 0:0f6c82fcde82 119 ip_addr_t *ipaddr);
mamezu 0:0f6c82fcde82 120 /* Function prototype for netif->linkoutput functions. Only used for ethernet
mamezu 0:0f6c82fcde82 121 * netifs. This function is called by ARP when a packet shall be sent.
mamezu 0:0f6c82fcde82 122 *
mamezu 0:0f6c82fcde82 123 * @param netif The netif which shall send a packet
mamezu 0:0f6c82fcde82 124 * @param p The packet to send (raw ethernet packet)
mamezu 0:0f6c82fcde82 125 */
mamezu 0:0f6c82fcde82 126 typedef err_t (*netif_linkoutput_fn)(struct netif *netif, struct pbuf *p);
mamezu 0:0f6c82fcde82 127 /* Function prototype for netif status- or link-callback functions. */
mamezu 0:0f6c82fcde82 128 typedef void (*netif_status_callback_fn)(struct netif *netif);
mamezu 0:0f6c82fcde82 129 /* Function prototype for netif igmp_mac_filter functions */
mamezu 0:0f6c82fcde82 130 typedef err_t (*netif_igmp_mac_filter_fn)(struct netif *netif,
mamezu 0:0f6c82fcde82 131 ip_addr_t *group, u8_t action);
mamezu 0:0f6c82fcde82 132
mamezu 0:0f6c82fcde82 133 /* Generic data structure used for all lwIP network interfaces.
mamezu 0:0f6c82fcde82 134 * The following fields should be filled in by the initialization
mamezu 0:0f6c82fcde82 135 * function for the device driver: hwaddr_len, hwaddr[], mtu, flags */
mamezu 0:0f6c82fcde82 136 struct netif {
mamezu 0:0f6c82fcde82 137 /* pointer to next in linked list */
mamezu 0:0f6c82fcde82 138 struct netif *next;
mamezu 0:0f6c82fcde82 139
mamezu 0:0f6c82fcde82 140 /* IP address configuration in network byte order */
mamezu 0:0f6c82fcde82 141 ip_addr_t ip_addr;
mamezu 0:0f6c82fcde82 142 ip_addr_t netmask;
mamezu 0:0f6c82fcde82 143 ip_addr_t gw;
mamezu 0:0f6c82fcde82 144
mamezu 0:0f6c82fcde82 145 /* This function is called by the network device driver
mamezu 0:0f6c82fcde82 146 * to pass a packet up the TCP/IP stack. */
mamezu 0:0f6c82fcde82 147 netif_input_fn input;
mamezu 0:0f6c82fcde82 148 /* This function is called by the IP module when it wants
mamezu 0:0f6c82fcde82 149 * to send a packet on the interface. This function typically
mamezu 0:0f6c82fcde82 150 * first resolves the hardware address, then sends the packet. */
mamezu 0:0f6c82fcde82 151 netif_output_fn output;
mamezu 0:0f6c82fcde82 152 /* This function is called by the ARP module when it wants
mamezu 0:0f6c82fcde82 153 * to send a packet on the interface. This function outputs
mamezu 0:0f6c82fcde82 154 * the pbuf as-is on the link medium. */
mamezu 0:0f6c82fcde82 155 netif_linkoutput_fn linkoutput;
mamezu 0:0f6c82fcde82 156 #if LWIP_NETIF_STATUS_CALLBACK
mamezu 0:0f6c82fcde82 157 /* This function is called when the netif state is set to up or down
mamezu 0:0f6c82fcde82 158 */
mamezu 0:0f6c82fcde82 159 netif_status_callback_fn status_callback;
mamezu 0:0f6c82fcde82 160 #endif /* LWIP_NETIF_STATUS_CALLBACK */
mamezu 0:0f6c82fcde82 161 #if LWIP_NETIF_LINK_CALLBACK
mamezu 0:0f6c82fcde82 162 /* This function is called when the netif link is set to up or down
mamezu 0:0f6c82fcde82 163 */
mamezu 0:0f6c82fcde82 164 netif_status_callback_fn link_callback;
mamezu 0:0f6c82fcde82 165 #endif /* LWIP_NETIF_LINK_CALLBACK */
mamezu 0:0f6c82fcde82 166 /* This field can be set by the device driver and could point
mamezu 0:0f6c82fcde82 167 * to state information for the device. */
mamezu 0:0f6c82fcde82 168 void *state;
mamezu 0:0f6c82fcde82 169 #if LWIP_DHCP
mamezu 0:0f6c82fcde82 170 /* the DHCP client state information for this netif */
mamezu 0:0f6c82fcde82 171 struct dhcp *dhcp;
mamezu 0:0f6c82fcde82 172 #endif /* LWIP_DHCP */
mamezu 0:0f6c82fcde82 173 #if LWIP_AUTOIP
mamezu 0:0f6c82fcde82 174 /* the AutoIP client state information for this netif */
mamezu 0:0f6c82fcde82 175 struct autoip *autoip;
mamezu 0:0f6c82fcde82 176 #endif
mamezu 0:0f6c82fcde82 177 #if LWIP_NETIF_HOSTNAME
mamezu 0:0f6c82fcde82 178 /* the hostname for this netif, NULL is a valid value */
mamezu 0:0f6c82fcde82 179 char* hostname;
mamezu 0:0f6c82fcde82 180 #endif /* LWIP_NETIF_HOSTNAME */
mamezu 0:0f6c82fcde82 181 /* maximum transfer unit (in bytes) */
mamezu 0:0f6c82fcde82 182 u16_t mtu;
mamezu 0:0f6c82fcde82 183 /* number of bytes used in hwaddr */
mamezu 0:0f6c82fcde82 184 u8_t hwaddr_len;
mamezu 0:0f6c82fcde82 185 /* link level hardware address of this interface */
mamezu 0:0f6c82fcde82 186 u8_t hwaddr[NETIF_MAX_HWADDR_LEN];
mamezu 0:0f6c82fcde82 187 /* flags (see NETIF_FLAG_ above) */
mamezu 0:0f6c82fcde82 188 u8_t flags;
mamezu 0:0f6c82fcde82 189 /* descriptive abbreviation */
mamezu 0:0f6c82fcde82 190 char name[2];
mamezu 0:0f6c82fcde82 191 /* number of this interface */
mamezu 0:0f6c82fcde82 192 u8_t num;
mamezu 0:0f6c82fcde82 193 #if LWIP_SNMP
mamezu 0:0f6c82fcde82 194 /* link type (from "snmp_ifType" enum from snmp.h) */
mamezu 0:0f6c82fcde82 195 u8_t link_type;
mamezu 0:0f6c82fcde82 196 /* (estimate) link speed */
mamezu 0:0f6c82fcde82 197 u32_t link_speed;
mamezu 0:0f6c82fcde82 198 /* timestamp at last change made (up/down) */
mamezu 0:0f6c82fcde82 199 u32_t ts;
mamezu 0:0f6c82fcde82 200 /* counters */
mamezu 0:0f6c82fcde82 201 u32_t ifinoctets;
mamezu 0:0f6c82fcde82 202 u32_t ifinucastpkts;
mamezu 0:0f6c82fcde82 203 u32_t ifinnucastpkts;
mamezu 0:0f6c82fcde82 204 u32_t ifindiscards;
mamezu 0:0f6c82fcde82 205 u32_t ifoutoctets;
mamezu 0:0f6c82fcde82 206 u32_t ifoutucastpkts;
mamezu 0:0f6c82fcde82 207 u32_t ifoutnucastpkts;
mamezu 0:0f6c82fcde82 208 u32_t ifoutdiscards;
mamezu 0:0f6c82fcde82 209 #endif /* LWIP_SNMP */
mamezu 0:0f6c82fcde82 210 #if LWIP_IGMP
mamezu 0:0f6c82fcde82 211 /* This function could be called to add or delete a entry in the multicast
mamezu 0:0f6c82fcde82 212 filter table of the ethernet MAC.*/
mamezu 0:0f6c82fcde82 213 netif_igmp_mac_filter_fn igmp_mac_filter;
mamezu 0:0f6c82fcde82 214 #endif /* LWIP_IGMP */
mamezu 0:0f6c82fcde82 215 #if LWIP_NETIF_HWADDRHINT
mamezu 0:0f6c82fcde82 216 u8_t *addr_hint;
mamezu 0:0f6c82fcde82 217 #endif /* LWIP_NETIF_HWADDRHINT */
mamezu 0:0f6c82fcde82 218 #if ENABLE_LOOPBACK
mamezu 0:0f6c82fcde82 219 /* List of packets to be queued for ourselves. */
mamezu 0:0f6c82fcde82 220 struct pbuf *loop_first;
mamezu 0:0f6c82fcde82 221 struct pbuf *loop_last;
mamezu 0:0f6c82fcde82 222 #if LWIP_LOOPBACK_MAX_PBUFS
mamezu 0:0f6c82fcde82 223 u16_t loop_cnt_current;
mamezu 0:0f6c82fcde82 224 #endif /* LWIP_LOOPBACK_MAX_PBUFS */
mamezu 0:0f6c82fcde82 225 #endif /* ENABLE_LOOPBACK */
mamezu 0:0f6c82fcde82 226 };
mamezu 0:0f6c82fcde82 227
mamezu 0:0f6c82fcde82 228 #if LWIP_SNMP
mamezu 0:0f6c82fcde82 229 #define NETIF_INIT_SNMP(netif, type, speed) \
mamezu 0:0f6c82fcde82 230 /* use "snmp_ifType" enum from snmp.h for "type", snmp_ifType_ethernet_csmacd by example */ \
mamezu 0:0f6c82fcde82 231 (netif)->link_type = (type); \
mamezu 0:0f6c82fcde82 232 /* your link speed here (units: bits per second) */ \
mamezu 0:0f6c82fcde82 233 (netif)->link_speed = (speed); \
mamezu 0:0f6c82fcde82 234 (netif)->ts = 0; \
mamezu 0:0f6c82fcde82 235 (netif)->ifinoctets = 0; \
mamezu 0:0f6c82fcde82 236 (netif)->ifinucastpkts = 0; \
mamezu 0:0f6c82fcde82 237 (netif)->ifinnucastpkts = 0; \
mamezu 0:0f6c82fcde82 238 (netif)->ifindiscards = 0; \
mamezu 0:0f6c82fcde82 239 (netif)->ifoutoctets = 0; \
mamezu 0:0f6c82fcde82 240 (netif)->ifoutucastpkts = 0; \
mamezu 0:0f6c82fcde82 241 (netif)->ifoutnucastpkts = 0; \
mamezu 0:0f6c82fcde82 242 (netif)->ifoutdiscards = 0
mamezu 0:0f6c82fcde82 243 #else /* LWIP_SNMP */
mamezu 0:0f6c82fcde82 244 #define NETIF_INIT_SNMP(netif, type, speed)
mamezu 0:0f6c82fcde82 245 #endif /* LWIP_SNMP */
mamezu 0:0f6c82fcde82 246
mamezu 0:0f6c82fcde82 247
mamezu 0:0f6c82fcde82 248 /* The list of network interfaces. */
mamezu 0:0f6c82fcde82 249 extern struct netif *netif_list;
mamezu 0:0f6c82fcde82 250 /* The default network interface. */
mamezu 0:0f6c82fcde82 251 extern struct netif *netif_default;
mamezu 0:0f6c82fcde82 252
mamezu 0:0f6c82fcde82 253 void netif_init(void);
mamezu 0:0f6c82fcde82 254
mamezu 0:0f6c82fcde82 255 struct netif *netif_add(struct netif *netif, ip_addr_t *ipaddr, ip_addr_t *netmask,
mamezu 0:0f6c82fcde82 256 ip_addr_t *gw, void *state, netif_init_fn init, netif_input_fn input);
mamezu 0:0f6c82fcde82 257
mamezu 0:0f6c82fcde82 258 void
mamezu 0:0f6c82fcde82 259 netif_set_addr(struct netif *netif, ip_addr_t *ipaddr, ip_addr_t *netmask,
mamezu 0:0f6c82fcde82 260 ip_addr_t *gw);
mamezu 0:0f6c82fcde82 261 void netif_remove(struct netif * netif);
mamezu 0:0f6c82fcde82 262
mamezu 0:0f6c82fcde82 263 /* Returns a network interface given its name. The name is of the form
mamezu 0:0f6c82fcde82 264 "et0", where the first two letters are the "name" field in the
mamezu 0:0f6c82fcde82 265 netif structure, and the digit is in the num field in the same
mamezu 0:0f6c82fcde82 266 structure. */
mamezu 0:0f6c82fcde82 267 struct netif *netif_find(char *name);
mamezu 0:0f6c82fcde82 268
mamezu 0:0f6c82fcde82 269 void netif_set_default(struct netif *netif);
mamezu 0:0f6c82fcde82 270
mamezu 0:0f6c82fcde82 271 void netif_set_ipaddr(struct netif *netif, ip_addr_t *ipaddr);
mamezu 0:0f6c82fcde82 272 void netif_set_netmask(struct netif *netif, ip_addr_t *netmask);
mamezu 0:0f6c82fcde82 273 void netif_set_gw(struct netif *netif, ip_addr_t *gw);
mamezu 0:0f6c82fcde82 274
mamezu 0:0f6c82fcde82 275 void netif_set_up(struct netif *netif);
mamezu 0:0f6c82fcde82 276 void netif_set_down(struct netif *netif);
mamezu 0:0f6c82fcde82 277 /* Ask if an interface is up */
mamezu 0:0f6c82fcde82 278 #define netif_is_up(netif) (((netif)->flags & NETIF_FLAG_UP) ? (u8_t)1 : (u8_t)0)
mamezu 0:0f6c82fcde82 279
mamezu 0:0f6c82fcde82 280 #if LWIP_NETIF_STATUS_CALLBACK
mamezu 0:0f6c82fcde82 281 void netif_set_status_callback(struct netif *netif, netif_status_callback_fn status_callback);
mamezu 0:0f6c82fcde82 282 #endif /* LWIP_NETIF_STATUS_CALLBACK */
mamezu 0:0f6c82fcde82 283
mamezu 0:0f6c82fcde82 284 void netif_set_link_up(struct netif *netif);
mamezu 0:0f6c82fcde82 285 void netif_set_link_down(struct netif *netif);
mamezu 0:0f6c82fcde82 286 /* Ask if a link is up */
mamezu 0:0f6c82fcde82 287 #define netif_is_link_up(netif) (((netif)->flags & NETIF_FLAG_LINK_UP) ? (u8_t)1 : (u8_t)0)
mamezu 0:0f6c82fcde82 288
mamezu 0:0f6c82fcde82 289 #if LWIP_NETIF_LINK_CALLBACK
mamezu 0:0f6c82fcde82 290 void netif_set_link_callback(struct netif *netif, netif_status_callback_fn link_callback);
mamezu 0:0f6c82fcde82 291 #endif /* LWIP_NETIF_LINK_CALLBACK */
mamezu 0:0f6c82fcde82 292
mamezu 0:0f6c82fcde82 293 #if LWIP_NETIF_HOSTNAME
mamezu 0:0f6c82fcde82 294 #define netif_set_hostname(netif, name) do { if((netif) != NULL) { (netif)->hostname = name; }}while(0)
mamezu 0:0f6c82fcde82 295 #define netif_get_hostname(netif) (((netif) != NULL) ? ((netif)->hostname) : NULL)
mamezu 0:0f6c82fcde82 296 #endif /* LWIP_NETIF_HOSTNAME */
mamezu 0:0f6c82fcde82 297
mamezu 0:0f6c82fcde82 298 #if LWIP_IGMP
mamezu 0:0f6c82fcde82 299 #define netif_set_igmp_mac_filter(netif, function) do { if((netif) != NULL) { (netif)->igmp_mac_filter = function; }}while(0)
mamezu 0:0f6c82fcde82 300 #define netif_get_igmp_mac_filter(netif) (((netif) != NULL) ? ((netif)->igmp_mac_filter) : NULL)
mamezu 0:0f6c82fcde82 301 #endif /* LWIP_IGMP */
mamezu 0:0f6c82fcde82 302
mamezu 0:0f6c82fcde82 303 #if ENABLE_LOOPBACK
mamezu 0:0f6c82fcde82 304 err_t netif_loop_output(struct netif *netif, struct pbuf *p, ip_addr_t *dest_ip);
mamezu 0:0f6c82fcde82 305 void netif_poll(struct netif *netif);
mamezu 0:0f6c82fcde82 306 #if !LWIP_NETIF_LOOPBACK_MULTITHREADING
mamezu 0:0f6c82fcde82 307 void netif_poll_all(void);
mamezu 0:0f6c82fcde82 308 #endif /* !LWIP_NETIF_LOOPBACK_MULTITHREADING */
mamezu 0:0f6c82fcde82 309 #endif /* ENABLE_LOOPBACK */
mamezu 0:0f6c82fcde82 310
mamezu 0:0f6c82fcde82 311 #ifdef __cplusplus
mamezu 0:0f6c82fcde82 312 }
mamezu 0:0f6c82fcde82 313 #endif
mamezu 0:0f6c82fcde82 314
mamezu 0:0f6c82fcde82 315 #endif /* __LWIP_NETIF_H__ */