diff options
Diffstat (limited to 'firmware/octoclock/include/net')
-rw-r--r-- | firmware/octoclock/include/net/enc28j60.h | 299 | ||||
-rw-r--r-- | firmware/octoclock/include/net/enc28j60conf.h | 49 | ||||
-rw-r--r-- | firmware/octoclock/include/net/eth_hdr.h | 36 | ||||
-rw-r--r-- | firmware/octoclock/include/net/eth_mac_addr.h | 31 | ||||
-rw-r--r-- | firmware/octoclock/include/net/ethertype.h | 27 | ||||
-rw-r--r-- | firmware/octoclock/include/net/if_arp.h | 153 | ||||
-rw-r--r-- | firmware/octoclock/include/net/socket_address.h | 41 | ||||
-rw-r--r-- | firmware/octoclock/include/net/udp_handlers.h | 34 |
8 files changed, 670 insertions, 0 deletions
diff --git a/firmware/octoclock/include/net/enc28j60.h b/firmware/octoclock/include/net/enc28j60.h new file mode 100644 index 000000000..463303f3c --- /dev/null +++ b/firmware/octoclock/include/net/enc28j60.h @@ -0,0 +1,299 @@ +/*! \file enc28j60.h \brief Microchip ENC28J60 Ethernet Interface Driver. */ +//***************************************************************************** +// +// File Name : 'enc28j60.h' +// Title : Microchip ENC28J60 Ethernet Interface Driver +// Author : Pascal Stang (c)2005 +// Created : 9/22/2005 +// Revised : 9/22/2005 +// Version : 0.1 +// Target MCU : Atmel AVR series +// Editor Tabs : 4 +// +/// \ingroup network +/// \defgroup enc28j60 Microchip ENC28J60 Ethernet Interface Driver (enc28j60.c) +/// \code #include "net/enc28j60.h" \endcode +/// \par Overview +/// This driver provides initialization and transmit/receive +/// functions for the Microchip ENC28J60 10Mb Ethernet Controller and PHY. +/// This chip is novel in that it is a full MAC+PHY interface all in a 28-pin +/// chip, using an SPI interface to the host processor. +/// +// +//***************************************************************************** +//@{ + +#ifndef ENC28J60_H +#define ENC28J60_H + +#include <avrlibdefs.h> + +#include "enc28j60conf.h" + +// ENC28J60 Control Registers +// Control register definitions are a combination of address, +// bank number, and Ethernet/MAC/PHY indicator bits. +// - Register address (bits 0-4) +// - Bank number (bits 5-6) +// - MAC/PHY indicator (bit 7) +#define ADDR_MASK 0x1F +#define BANK_MASK 0x60 +#define SPRD_MASK 0x80 +// All-bank registers +#define EIE 0x1B +#define EIR 0x1C +#define ESTAT 0x1D +#define ECON2 0x1E +#define ECON1 0x1F +// Bank 0 registers +#define ERDPTL (0x00|0x00) +#define ERDPTH (0x01|0x00) +#define EWRPTL (0x02|0x00) +#define EWRPTH (0x03|0x00) +#define ETXSTL (0x04|0x00) +#define ETXSTH (0x05|0x00) +#define ETXNDL (0x06|0x00) +#define ETXNDH (0x07|0x00) +#define ERXSTL (0x08|0x00) +#define ERXSTH (0x09|0x00) +#define ERXNDL (0x0A|0x00) +#define ERXNDH (0x0B|0x00) +#define ERXRDPTL (0x0C|0x00) +#define ERXRDPTH (0x0D|0x00) +#define ERXWRPTL (0x0E|0x00) +#define ERXWRPTH (0x0F|0x00) +#define EDMASTL (0x10|0x00) +#define EDMASTH (0x11|0x00) +#define EDMANDL (0x12|0x00) +#define EDMANDH (0x13|0x00) +#define EDMADSTL (0x14|0x00) +#define EDMADSTH (0x15|0x00) +#define EDMACSL (0x16|0x00) +#define EDMACSH (0x17|0x00) +// Bank 1 registers +#define EHT0 (0x00|0x20) +#define EHT1 (0x01|0x20) +#define EHT2 (0x02|0x20) +#define EHT3 (0x03|0x20) +#define EHT4 (0x04|0x20) +#define EHT5 (0x05|0x20) +#define EHT6 (0x06|0x20) +#define EHT7 (0x07|0x20) +#define EPMM0 (0x08|0x20) +#define EPMM1 (0x09|0x20) +#define EPMM2 (0x0A|0x20) +#define EPMM3 (0x0B|0x20) +#define EPMM4 (0x0C|0x20) +#define EPMM5 (0x0D|0x20) +#define EPMM6 (0x0E|0x20) +#define EPMM7 (0x0F|0x20) +#define EPMCSL (0x10|0x20) +#define EPMCSH (0x11|0x20) +#define EPMOL (0x14|0x20) +#define EPMOH (0x15|0x20) +#define EWOLIE (0x16|0x20) +#define EWOLIR (0x17|0x20) +#define ERXFCON (0x18|0x20) +#define EPKTCNT (0x19|0x20) +// Bank 2 registers +#define MACON1 (0x00|0x40|0x80) +#define MACON2 (0x01|0x40|0x80) +#define MACON3 (0x02|0x40|0x80) +#define MACON4 (0x03|0x40|0x80) +#define MABBIPG (0x04|0x40|0x80) +#define MAIPGL (0x06|0x40|0x80) +#define MAIPGH (0x07|0x40|0x80) +#define MACLCON1 (0x08|0x40|0x80) +#define MACLCON2 (0x09|0x40|0x80) +#define MAMXFLL (0x0A|0x40|0x80) +#define MAMXFLH (0x0B|0x40|0x80) +#define MAPHSUP (0x0D|0x40|0x80) +#define MICON (0x11|0x40|0x80) +#define MICMD (0x12|0x40|0x80) +#define MIREGADR (0x14|0x40|0x80) +#define MIWRL (0x16|0x40|0x80) +#define MIWRH (0x17|0x40|0x80) +#define MIRDL (0x18|0x40|0x80) +#define MIRDH (0x19|0x40|0x80) +// Bank 3 registers +#define MAADR1 (0x00|0x60|0x80) +#define MAADR0 (0x01|0x60|0x80) +#define MAADR3 (0x02|0x60|0x80) +#define MAADR2 (0x03|0x60|0x80) +#define MAADR5 (0x04|0x60|0x80) +#define MAADR4 (0x05|0x60|0x80) +#define EBSTSD (0x06|0x60) +#define EBSTCON (0x07|0x60) +#define EBSTCSL (0x08|0x60) +#define EBSTCSH (0x09|0x60) +#define MISTAT (0x0A|0x60|0x80) +#define EREVID (0x12|0x60) +#define ECOCON (0x15|0x60) +#define EFLOCON (0x17|0x60) +#define EPAUSL (0x18|0x60) +#define EPAUSH (0x19|0x60) +// PHY registers +#define PHCON1 0x00 +#define PHSTAT1 0x01 +#define PHHID1 0x02 +#define PHHID2 0x03 +#define PHCON2 0x10 +#define PHSTAT2 0x11 +#define PHIE 0x12 +#define PHIR 0x13 +#define PHLCON 0x14 + +// ENC28J60 EIE Register Bit Definitions +#define EIE_INTIE 0x80 +#define EIE_PKTIE 0x40 +#define EIE_DMAIE 0x20 +#define EIE_LINKIE 0x10 +#define EIE_TXIE 0x08 +#define EIE_WOLIE 0x04 +#define EIE_TXERIE 0x02 +#define EIE_RXERIE 0x01 +// ENC28J60 EIR Register Bit Definitions +#define EIR_PKTIF 0x40 +#define EIR_DMAIF 0x20 +#define EIR_LINKIF 0x10 +#define EIR_TXIF 0x08 +#define EIR_WOLIF 0x04 +#define EIR_TXERIF 0x02 +#define EIR_RXERIF 0x01 +// ENC28J60 ESTAT Register Bit Definitions +#define ESTAT_INT 0x80 +#define ESTAT_LATECOL 0x10 +#define ESTAT_RXBUSY 0x04 +#define ESTAT_TXABRT 0x02 +#define ESTAT_CLKRDY 0x01 +// ENC28J60 ECON2 Register Bit Definitions +#define ECON2_AUTOINC 0x80 +#define ECON2_PKTDEC 0x40 +#define ECON2_PWRSV 0x20 +#define ECON2_VRPS 0x08 +// ENC28J60 ECON1 Register Bit Definitions +#define ECON1_TXRST 0x80 +#define ECON1_RXRST 0x40 +#define ECON1_DMAST 0x20 +#define ECON1_CSUMEN 0x10 +#define ECON1_TXRTS 0x08 +#define ECON1_RXEN 0x04 +#define ECON1_BSEL1 0x02 +#define ECON1_BSEL0 0x01 +// ENC28J60 MACON1 Register Bit Definitions +#define MACON1_LOOPBK 0x10 +#define MACON1_TXPAUS 0x08 +#define MACON1_RXPAUS 0x04 +#define MACON1_PASSALL 0x02 +#define MACON1_MARXEN 0x01 +// ENC28J60 MACON2 Register Bit Definitions +#define MACON2_MARST 0x80 +#define MACON2_RNDRST 0x40 +#define MACON2_MARXRST 0x08 +#define MACON2_RFUNRST 0x04 +#define MACON2_MATXRST 0x02 +#define MACON2_TFUNRST 0x01 +// ENC28J60 MACON3 Register Bit Definitions +#define MACON3_PADCFG2 0x80 +#define MACON3_PADCFG1 0x40 +#define MACON3_PADCFG0 0x20 +#define MACON3_TXCRCEN 0x10 +#define MACON3_PHDRLEN 0x08 +#define MACON3_HFRMLEN 0x04 +#define MACON3_FRMLNEN 0x02 +#define MACON3_FULDPX 0x01 +// ENC28J60 MICMD Register Bit Definitions +#define MICMD_MIISCAN 0x02 +#define MICMD_MIIRD 0x01 +// ENC28J60 MISTAT Register Bit Definitions +#define MISTAT_NVALID 0x04 +#define MISTAT_SCAN 0x02 +#define MISTAT_BUSY 0x01 +// ENC28J60 PHY PHCON1 Register Bit Definitions +#define PHCON1_PRST 0x8000 +#define PHCON1_PLOOPBK 0x4000 +#define PHCON1_PPWRSV 0x0800 +#define PHCON1_PDPXMD 0x0100 +// ENC28J60 PHY PHSTAT1 Register Bit Definitions +#define PHSTAT1_PFDPX 0x1000 +#define PHSTAT1_PHDPX 0x0800 +#define PHSTAT1_LLSTAT 0x0004 +#define PHSTAT1_JBSTAT 0x0002 +// ENC28J60 PHY PHCON2 Register Bit Definitions +#define PHCON2_FRCLINK 0x4000 +#define PHCON2_TXDIS 0x2000 +#define PHCON2_JABBER 0x0400 +#define PHCON2_HDLDIS 0x0100 + +// ENC28J60 Packet Control Byte Bit Definitions +#define PKTCTRL_PHUGEEN 0x08 +#define PKTCTRL_PPADEN 0x04 +#define PKTCTRL_PCRCEN 0x02 +#define PKTCTRL_POVERRIDE 0x01 + +// SPI operation codes +#define ENC28J60_READ_CTRL_REG 0x00 +#define ENC28J60_READ_BUF_MEM 0x3A +#define ENC28J60_WRITE_CTRL_REG 0x40 +#define ENC28J60_WRITE_BUF_MEM 0x7A +#define ENC28J60_BIT_FIELD_SET 0x80 +#define ENC28J60_BIT_FIELD_CLR 0xA0 +#define ENC28J60_SOFT_RESET 0xFF + + +// buffer boundaries applied to internal 8K ram +// entire available packet buffer space is allocated +#define TXSTART_INIT 0x0000 // start TX buffer at 0 +#define RXSTART_INIT 0x0600 // give TX buffer space for one full ethernet frame (~1500 bytes) +#define RXSTOP_INIT 0x1FFF // receive buffer gets the rest + +#define MAX_FRAMELEN 1518 // maximum ethernet frame length + +// Ethernet constants +#define ETHERNET_MIN_PACKET_LENGTH 0x3C +//#define ETHERNET_HEADER_LENGTH 0x0E + +// setup ports for I/O +//void ax88796SetupPorts(void); + +//! do a ENC28J60 read operation +u08 enc28j60ReadOp(u08 op, u08 address); +//! do a ENC28J60 write operation +void enc28j60WriteOp(u08 op, u08 address, u08 data); +//! read the packet buffer memory +void enc28j60ReadBuffer(u16 len, u08* data); +//! write the packet buffer memory +void enc28j60WriteBuffer(u16 len, u08* data); +//! set the register bank for register at address +void enc28j60SetBank(u08 address); +//! read ax88796 register +u08 enc28j60Read(u08 address); +//! write ax88796 register +void enc28j60Write(u08 address, u08 data); +//! read a PHY register +u16 enc28j60PhyRead(u08 address); +//! write a PHY register +void enc28j60PhyWrite(u08 address, u16 data); + +//! initialize the ethernet interface for transmit/receive +void enc28j60Init(u08* macaddr); + +//! Packet transmit function. +/// Sends a packet on the network. It is assumed that the packet is headed by a valid ethernet header. +/// \param len Length of packet in bytes. +/// \param packet Pointer to packet data. +/// \param len2 Length of the secound packet in bytes, can be 0. +/// \param packet2 Pointer to the secound packet data, can be NULL. +void enc28j60PacketSend(unsigned int len1, unsigned char* packet1, unsigned int len2, unsigned char* packet2); + +//! Packet receive function. +/// Gets a packet from the network receive buffer, if one is available. +/// The packet will by headed by an ethernet header. +/// \param maxlen The maximum acceptable length of a retrieved packet. +/// \param buf Pointer to buffer. +/// \return Packet length in bytes if a packet was retrieved, zero otherwise. +unsigned int enc28j60PacketReceive(unsigned int maxlen, u08* buf); + +#endif +//@} + diff --git a/firmware/octoclock/include/net/enc28j60conf.h b/firmware/octoclock/include/net/enc28j60conf.h new file mode 100644 index 000000000..0acf5473c --- /dev/null +++ b/firmware/octoclock/include/net/enc28j60conf.h @@ -0,0 +1,49 @@ +/*! \file enc28j60conf.h \brief Microchip ENC28J60 Ethernet Interface Driver Configuration. */ +//***************************************************************************** +// +// File Name : 'enc28j60conf.h' +// Title : Microchip ENC28J60 Ethernet Interface Driver Configuration +// Author : Pascal Stang +// Created : 10/5/2004 +// Revised : 8/22/2005 +// Version : 0.1 +// Target MCU : Atmel AVR series +// Editor Tabs : 4 +// +// Description : This driver provides initialization and transmit/receive +// functions for the ENC28J60 10Mb Ethernet Controller and PHY. +// +// This code is distributed under the GNU Public License +// which can be found at http://www.gnu.org/licenses/gpl.txt +// +//***************************************************************************** + +#ifndef ENC28J60CONF_H +#define ENC28J60CONF_H + +#include <stdint.h> +typedef uint8_t u08; +typedef uint16_t u16; +typedef uint32_t u32; + +// ENC28J60 SPI port +#define ENC28J60_SPI_PORT PORTB +#define ENC28J60_SPI_DDR DDRB +#define ENC28J60_SPI_SCK PORTB1 +#define ENC28J60_SPI_MOSI PORTB2 +#define ENC28J60_SPI_MISO PORTB3 +#define ENC28J60_SPI_SS PORTB0 +// ENC28J60 control port +#define ENC28J60_CONTROL_PORT PORTB +#define ENC28J60_CONTROL_DDR DDRB +#define ENC28J60_CONTROL_CS PORTB0 + +// MAC address for this interface +#define ENC28J60_MAC0 '0' +#define ENC28J60_MAC1 'F' +#define ENC28J60_MAC2 'F' +#define ENC28J60_MAC3 'I' +#define ENC28J60_MAC4 'C' +#define ENC28J60_MAC5 'E' + +#endif /* ENC28J60CONF_H */ diff --git a/firmware/octoclock/include/net/eth_hdr.h b/firmware/octoclock/include/net/eth_hdr.h new file mode 100644 index 000000000..9d5356c66 --- /dev/null +++ b/firmware/octoclock/include/net/eth_hdr.h @@ -0,0 +1,36 @@ +/* -*- c++ -*- */ +/* + * Copyright 2009,2010,2014 Ettus Research LLC + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef INCLUDED_ETH_HDR_H +#define INCLUDED_ETH_HDR_H + +#include <compiler.h> +#include <net/eth_mac_addr.h> + +#define ETH_HLEN 14 + +/*! + * \brief Standard 14-byte ethernet header. + */ + +typedef struct { + eth_mac_addr_t dst; + eth_mac_addr_t src; + uint16_t ethertype; +} _AL2 eth_hdr_t; + +#endif /* INCLUDED_ETH_HDR_H */ diff --git a/firmware/octoclock/include/net/eth_mac_addr.h b/firmware/octoclock/include/net/eth_mac_addr.h new file mode 100644 index 000000000..0c790aa4f --- /dev/null +++ b/firmware/octoclock/include/net/eth_mac_addr.h @@ -0,0 +1,31 @@ +/* + * Copyright 2009-2011,2014 Ettus Research LLC + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef INCLUDED_ETH_MAC_ADDR_H +#define INCLUDED_ETH_MAC_ADDR_H + +#include <stdint.h> + +// Ethernet MAC address + +#pragma pack(push,1) +typedef struct { + uint8_t addr[6]; +} eth_mac_addr_t; +#pragma pack(pop) + +#endif /* INCLUDED_ETH_MAC_ADDR_H */ diff --git a/firmware/octoclock/include/net/ethertype.h b/firmware/octoclock/include/net/ethertype.h new file mode 100644 index 000000000..0cfab8d65 --- /dev/null +++ b/firmware/octoclock/include/net/ethertype.h @@ -0,0 +1,27 @@ +/* -*- c++ -*- */ +/* + * Copyright 2009-2011,2014 Ettus Research LLC + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef INCLUDED_ETHERTYPE_H +#define INCLUDED_ETHERTYPE_H + +// all we care about + +#define ETHERTYPE_IPV4 0x0800 +#define ETHERTYPE_ARP 0x0806 + + +#endif /* INCLUDED_ETHERTYPE_H */ diff --git a/firmware/octoclock/include/net/if_arp.h b/firmware/octoclock/include/net/if_arp.h new file mode 100644 index 000000000..63519c4be --- /dev/null +++ b/firmware/octoclock/include/net/if_arp.h @@ -0,0 +1,153 @@ +/* + * INET An implementation of the TCP/IP protocol suite for the LINUX + * operating system. INET is implemented using the BSD Socket + * interface as the means of communication with the user level. + * + * Global definitions for the ARP (RFC 826) protocol. + * + * Version: @(#)if_arp.h 1.0.1 04/16/93 + * + * Authors: Original taken from Berkeley UNIX 4.3, (c) UCB 1986-1988 + * Portions taken from the KA9Q/NOS (v2.00m PA0GRI) source. + * Ross Biro + * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> + * Florian La Roche, + * Jonathan Layes <layes@loran.com> + * Arnaldo Carvalho de Melo <acme@conectiva.com.br> ARPHRD_HWX25 + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _LINUX_IF_ARP_H +#define _LINUX_IF_ARP_H + +/* ARP protocol HARDWARE identifiers. */ +#define ARPHRD_NETROM 0 /* from KA9Q: NET/ROM pseudo */ +#define ARPHRD_ETHER 1 /* Ethernet 10Mbps */ +#define ARPHRD_EETHER 2 /* Experimental Ethernet */ +#define ARPHRD_AX25 3 /* AX.25 Level 2 */ +#define ARPHRD_PRONET 4 /* PROnet token ring */ +#define ARPHRD_CHAOS 5 /* Chaosnet */ +#define ARPHRD_IEEE802 6 /* IEEE 802.2 Ethernet/TR/TB */ +#define ARPHRD_ARCNET 7 /* ARCnet */ +#define ARPHRD_APPLETLK 8 /* APPLEtalk */ +#define ARPHRD_DLCI 15 /* Frame Relay DLCI */ +#define ARPHRD_ATM 19 /* ATM */ +#define ARPHRD_METRICOM 23 /* Metricom STRIP (new IANA id) */ +#define ARPHRD_IEEE1394 24 /* IEEE 1394 IPv4 - RFC 2734 */ +#define ARPHRD_EUI64 27 /* EUI-64 */ +#define ARPHRD_INFINIBAND 32 /* InfiniBand */ + +/* Dummy types for non ARP hardware */ +#define ARPHRD_SLIP 256 +#define ARPHRD_CSLIP 257 +#define ARPHRD_SLIP6 258 +#define ARPHRD_CSLIP6 259 +#define ARPHRD_RSRVD 260 /* Notional KISS type */ +#define ARPHRD_ADAPT 264 +#define ARPHRD_ROSE 270 +#define ARPHRD_X25 271 /* CCITT X.25 */ +#define ARPHRD_HWX25 272 /* Boards with X.25 in firmware */ +#define ARPHRD_CAN 280 /* Controller Area Network */ +#define ARPHRD_PPP 512 +#define ARPHRD_CISCO 513 /* Cisco HDLC */ +#define ARPHRD_HDLC ARPHRD_CISCO +#define ARPHRD_LAPB 516 /* LAPB */ +#define ARPHRD_DDCMP 517 /* Digital's DDCMP protocol */ +#define ARPHRD_RAWHDLC 518 /* Raw HDLC */ + +#define ARPHRD_TUNNEL 768 /* IPIP tunnel */ +#define ARPHRD_TUNNEL6 769 /* IP6IP6 tunnel */ +#define ARPHRD_FRAD 770 /* Frame Relay Access Device */ +#define ARPHRD_SKIP 771 /* SKIP vif */ +#define ARPHRD_LOOPBACK 772 /* Loopback device */ +#define ARPHRD_LOCALTLK 773 /* Localtalk device */ +#define ARPHRD_FDDI 774 /* Fiber Distributed Data Interface */ +#define ARPHRD_BIF 775 /* AP1000 BIF */ +#define ARPHRD_SIT 776 /* sit0 device - IPv6-in-IPv4 */ +#define ARPHRD_IPDDP 777 /* IP over DDP tunneller */ +#define ARPHRD_IPGRE 778 /* GRE over IP */ +#define ARPHRD_PIMREG 779 /* PIMSM register interface */ +#define ARPHRD_HIPPI 780 /* High Performance Parallel Interface */ +#define ARPHRD_ASH 781 /* Nexus 64Mbps Ash */ +#define ARPHRD_ECONET 782 /* Acorn Econet */ +#define ARPHRD_IRDA 783 /* Linux-IrDA */ +/* ARP works differently on different FC media .. so */ +#define ARPHRD_FCPP 784 /* Point to point fibrechannel */ +#define ARPHRD_FCAL 785 /* Fibrechannel arbitrated loop */ +#define ARPHRD_FCPL 786 /* Fibrechannel public loop */ +#define ARPHRD_FCFABRIC 787 /* Fibrechannel fabric */ + /* 787->799 reserved for fibrechannel media types */ +#define ARPHRD_IEEE802_TR 800 /* Magic type ident for TR */ +#define ARPHRD_IEEE80211 801 /* IEEE 802.11 */ +#define ARPHRD_IEEE80211_PRISM 802 /* IEEE 802.11 + Prism2 header */ +#define ARPHRD_IEEE80211_RADIOTAP 803 /* IEEE 802.11 + radiotap header */ + +#define ARPHRD_VOID 0xFFFF /* Void type, nothing is known */ +#define ARPHRD_NONE 0xFFFE /* zero header length */ + +/* ARP protocol opcodes. */ +#define ARPOP_REQUEST 1 /* ARP request */ +#define ARPOP_REPLY 2 /* ARP reply */ +#define ARPOP_RREQUEST 3 /* RARP request */ +#define ARPOP_RREPLY 4 /* RARP reply */ +#define ARPOP_InREQUEST 8 /* InARP request */ +#define ARPOP_InREPLY 9 /* InARP reply */ +#define ARPOP_NAK 10 /* (ATM)ARP NAK */ + + +/* ARP Flag values. */ +#define ATF_COM 0x02 /* completed entry (ha valid) */ +#define ATF_PERM 0x04 /* permanent entry */ +#define ATF_PUBL 0x08 /* publish entry */ +#define ATF_USETRAILERS 0x10 /* has requested trailers */ +#define ATF_NETMASK 0x20 /* want to use a netmask (only + for proxy entries) */ +#define ATF_DONTPUB 0x40 /* don't answer this addresses */ + +typedef unsigned short __be16; + +/* + * This structure defines an ethernet arp header. + */ +struct arphdr +{ + __be16 ar_hrd; /* format of hardware address */ + __be16 ar_pro; /* format of protocol address */ + unsigned char ar_hln; /* length of hardware address */ + unsigned char ar_pln; /* length of protocol address */ + __be16 ar_op; /* ARP opcode (command) */ + +#if 0 + /* + * Ethernet looks like this : This bit is variable sized however... + */ + unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */ + unsigned char ar_sip[4]; /* sender IP address */ + unsigned char ar_tha[ETH_ALEN]; /* target hardware address */ + unsigned char ar_tip[4]; /* target IP address */ +#endif + +}; + +/* + * This structure defines an ethernet arp header. + */ +struct arp_eth_ipv4 +{ + __be16 ar_hrd; /* format of hardware address */ + __be16 ar_pro; /* format of protocol address */ + unsigned char ar_hln; /* length of hardware address */ + unsigned char ar_pln; /* length of protocol address */ + __be16 ar_op; /* ARP opcode (command) */ + + unsigned char ar_sha[6]; /* sender hardware address */ + unsigned char ar_sip[4]; /* sender IP address */ + unsigned char ar_tha[6]; /* target hardware address */ + unsigned char ar_tip[4]; /* target IP address */ +}; + + +#endif /* _LINUX_IF_ARP_H */ diff --git a/firmware/octoclock/include/net/socket_address.h b/firmware/octoclock/include/net/socket_address.h new file mode 100644 index 000000000..9d4b4c5b3 --- /dev/null +++ b/firmware/octoclock/include/net/socket_address.h @@ -0,0 +1,41 @@ +/* -*- c -*- */ +/* + * Copyright 2010,2014 Ettus Research LLC + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef INCLUDED_SOCKET_ADDRESS_H +#define INCLUDED_SOCKET_ADDRESS_H + +#include <lwip/ip_addr.h> + +// port and address are in network byte order + +typedef struct socket_address { + unsigned short port; + struct ip_addr addr; +} socket_address_t; + +static inline struct socket_address +make_socket_address(struct ip_addr addr, int port) +{ + struct socket_address r; + r.port = port; + r.addr = addr; + return r; +} + + + +#endif /* INCLUDED_SOCKET_ADDRESS_H */ diff --git a/firmware/octoclock/include/net/udp_handlers.h b/firmware/octoclock/include/net/udp_handlers.h new file mode 100644 index 000000000..3abc26a24 --- /dev/null +++ b/firmware/octoclock/include/net/udp_handlers.h @@ -0,0 +1,34 @@ +/* + * Copyright 2014 Ettus Research LLC + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _NET_UDP_HANDLERS_H_ +#define _NET_UDP_HANDLERS_H_ + +#include <network.h> +#include <net/socket_address.h> + +void handle_udp_ctrl_packet( + struct socket_address src, struct socket_address dst, + unsigned char *payload, int payload_len +); + +void handle_udp_gpsdo_packet( + struct socket_address src, struct socket_address dst, + unsigned char *payload, int payload_len +); + +#endif /* _NET_UDP_HANDLERS_H */ |