189 lines
9.4 KiB
C
189 lines
9.4 KiB
C
/*******************************************************************************************
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* include/net/if.h
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*
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* Copyright (C) 2007, 2008, 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*******************************************************************************************/
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#ifndef __INCLUDE_NET_IF_H
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#define __INCLUDE_NET_IF_H
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/*******************************************************************************************
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* Included Files
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*******************************************************************************************/
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#include <sys/socket.h>
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/*******************************************************************************************
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* Pre-Processor Definitions
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*******************************************************************************************/
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/* Sizing parameters */
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#define IFNAMSIZ 6 /* Older naming standard */
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#define IF_NAMESIZE 6 /* Newer naming standard */
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#define IFHWADDRLEN 6
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#define IFF_DOWN (1 << 0)
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#define IFF_UP (1 << 1)
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#define IFF_RUNNING (1 << 2)
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#define IFF_NOARP (1 << 7)
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/*******************************************************************************************
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* Public Type Definitions
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*******************************************************************************************/
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/* Structure passed with the SIOCMIINOTIFY ioctl command to enable notification of
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* of PHY state changes.
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*/
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struct mii_iotcl_notify_s
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{
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pid_t pid; /* PID of the task to receive the signal. Zero means "this task" */
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uint8_t signo; /* Signal number to use when signalling */
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FAR void *arg; /* An argument that will accompany the signal callback */
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};
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/* Structure passed to read from or write to the MII/PHY management interface via the
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* SIOCxMIIREG ioctl commands.
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*/
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struct mii_ioctl_data_s
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{
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uint16_t phy_id; /* PHY device address */
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uint16_t reg_num; /* PHY register address */
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uint16_t val_in; /* PHY input data */
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uint16_t val_out; /* PHY output data */
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};
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/* This is the newer form if the I/F request structure that can be used with both IPv4
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* and IPv6.
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*/
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struct lifreq
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{
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char lifr_name[IFNAMSIZ]; /* Network device name (e.g. "eth0") */
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union
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{
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struct sockaddr_storage lifru_addr; /* IP Address */
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struct sockaddr_storage lifru_dstaddr; /* P-to-P Address */
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struct sockaddr_storage lifru_broadaddr; /* Broadcast address */
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struct sockaddr_storage lifru_netmask; /* Netmask */
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struct sockaddr lifru_hwaddr; /* MAC address */
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int lifru_count; /* Number of devices */
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int lifru_mtu; /* MTU size */
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uint8_t lifru_flags; /* Interface flags */
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struct mii_iotcl_notify_s llfru_mii_notify; /* PHY event notification */
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struct mii_ioctl_data_s lifru_mii_data; /* MII request data */
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} lifr_ifru;
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};
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#define lifr_addr lifr_ifru.lifru_addr /* IP address */
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#define lifr_dstaddr lifr_ifru.lifru_dstaddr /* P-to-P Address */
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#define lifr_broadaddr lifr_ifru.lifru_broadaddr /* Broadcast address */
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#define lifr_netmask lifr_ifru.lifru_netmask /* Interface net mask */
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#define lifr_hwaddr lifr_ifru.lifru_hwaddr /* MAC address */
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#define lifr_mtu lifr_ifru.lifru_mtu /* MTU */
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#define lifr_count lifr_ifru.lifru_count /* Number of devices */
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#define lifr_flags lifr_ifru.lifru_flags /* interface flags */
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#define lifr_mii_notify_pid lifr_ifru.llfru_mii_notify.pid /* PID to be notified */
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#define lifr_mii_notify_signo lifr_ifru.llfru_mii_notify.signo /* Signal to notify with */
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#define lifr_mii_notify_arg lifr_ifru.llfru_mii_notify.arg /* sigval argument */
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#define lifr_mii_phy_id lifr_ifru.lifru_mii_data.phy_id /* PHY device address */
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#define lifr_mii_reg_num lifr_ifru.lifru_mii_data.reg_num /* PHY register address */
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#define lifr_mii_val_in lifr_ifru.lifru_mii_data.val_in /* PHY input data */
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#define lifr_mii_val_out lifr_ifru.lifru_mii_data.val_out /* PHY output data */
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/* This is the older I/F request that should only be used with IPv4. However, since
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* NuttX only supports IPv4 or 6 (not both), we can force the older structure to
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* be compatible when IPv6 is enabled.
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*/
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#ifndef CONFIG_NET_IPv6
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struct ifreq
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{
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char ifr_name[IFNAMSIZ]; /* Network device name (e.g. "eth0") */
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union
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{
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struct sockaddr ifru_addr; /* IP Address */
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struct sockaddr ifru_dstaddr; /* P-to-P Address */
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struct sockaddr ifru_broadaddr; /* Broadcast address */
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struct sockaddr ifru_netmask; /* Netmask */
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struct sockaddr ifru_hwaddr; /* MAC address */
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int ifru_count; /* Number of devices */
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int ifru_mtu; /* MTU size */
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uint8_t ifru_flags; /* Interface flags */
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struct mii_iotcl_notify_s ifru_mii_notify; /* PHY event notification */
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struct mii_ioctl_data_s ifru_mii_data; /* MII request data */
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} ifr_ifru;
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};
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#define ifr_addr ifr_ifru.ifru_addr /* IP address */
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#define ifr_dstaddr ifr_ifru.ifru_dstaddr /* P-to-P Address */
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#define ifr_broadaddr ifr_ifru.ifru_broadaddr /* Broadcast address */
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#define ifr_netmask ifr_ifru.ifru_netmask /* Interface net mask */
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#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
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#define ifr_mtu ifr_ifru.ifru_mtu /* MTU */
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#define ifr_count ifr_ifru.ifru_count /* Number of devices */
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#define ifr_flags ifr_ifru.ifru_flags /* interface flags */
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#define ifr_mii_notify_pid ifr_ifru.ifru_mii_notify.pid /* PID to be notified */
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#define ifr_mii_notify_signo ifr_ifru.ifru_mii_notify.signo /* Signal to notify with */
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#define ifr_mii_notify_arg ifr_ifru.ifru_mii_notify.arg /* sigval argument */
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#define ifr_mii_phy_id ifr_ifru.ifru_mii_data.phy_id /* PHY device address */
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#define ifr_mii_reg_num ifr_ifru.ifru_mii_data.reg_num /* PHY register address */
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#define ifr_mii_val_in ifr_ifru.ifru_mii_data.val_in /* PHY input data */
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#define ifr_mii_val_out ifr_ifru.ifru_mii_data.val_out /* PHY output data */
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#else /* CONFIG_NET_IPv6 */
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#define ifreq lifreq /* Replace ifreq with lifreq */
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#define ifr_name lifr_name /* Network device name */
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#define ifr_addr lifr_ifru.lifru_addr /* IP address */
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#define ifr_dstaddr lifr_ifru.lifru_dstaddr /* P-to-P Address */
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#define ifr_broadaddr lifr_ifru.lifru_broadaddr /* Broadcast address */
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#define ifr_netmask lifr_ifru.lifru_netmask /* Interface net mask */
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#define ifr_hwaddr lifr_ifru.lifru_hwaddr /* MAC address */
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#define ifr_mtu lifr_ifru.lifru_mtu /* MTU */
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#define ifr_count lifr_ifru.lifru_count /* Number of devices */
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#define ifr_flags lifr_ifru.lifru_flags /* interface flags */
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#define ifr_mii_phy_id lifr_ifru.lifru_mii_data.phy_id /* PHY device address */
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#define ifr_mii_reg_num lifr_ifru.lifru_mii_data.reg_num /* PHY register address */
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#define ifr_mii_val_in lifr_ifru.lifru_mii_data.val_in /* PHY input data */
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#define ifr_mii_val_out lifr_ifru.lifru_mii_data.val_out /* PHY output data */
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#endif /* CONFIG_NET_IPv6 */
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/*******************************************************************************************
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* Public Function Prototypes
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*******************************************************************************************/
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#endif /* __INCLUDE_NET_IF_H */
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