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Diffstat (limited to 'cfe/cfe/net/net_ip_internal.h')
| -rw-r--r-- | cfe/cfe/net/net_ip_internal.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/cfe/cfe/net/net_ip_internal.h b/cfe/cfe/net/net_ip_internal.h new file mode 100644 index 0000000..94401e2 --- /dev/null +++ b/cfe/cfe/net/net_ip_internal.h @@ -0,0 +1,128 @@ +/* ********************************************************************* + * Broadcom Common Firmware Environment (CFE) + * + * Internal IP structures File: net_ip_internal.h + * + * This module contains non-public IP stack constants, + * structures, and function prototypes. + * + * Author: Mitch Lichtenberg (mpl@broadcom.com) + * + ********************************************************************* + * + * Copyright 2000,2001,2002,2003 + * Broadcom Corporation. All rights reserved. + * + * This software is furnished under license and may be used and + * copied only in accordance with the following terms and + * conditions. Subject to these conditions, you may download, + * copy, install, use, modify and distribute modified or unmodified + * copies of this software in source and/or binary form. No title + * or ownership is transferred hereby. + * + * 1) Any source code used, modified or distributed must reproduce + * and retain this copyright notice and list of conditions + * as they appear in the source file. + * + * 2) No right is granted to use any trade name, trademark, or + * logo of Broadcom Corporation. The "Broadcom Corporation" + * name may not be used to endorse or promote products derived + * from this software without the prior written permission of + * Broadcom Corporation. + * + * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED + * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR + * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT + * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN + * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + ********************************************************************* */ + + +/* ********************************************************************* + * ARP Protocol + ********************************************************************* */ + +#define ARP_OPCODE_REQUEST 1 +#define ARP_OPCODE_REPLY 2 + +#define ARP_HWADDRSPACE_ETHERNET 1 + +#define PROTOSPACE_IP 0x0800 +#define PROTOSPACE_ARP 0x0806 + +/* Foxconn add start by Cliff Wang, 03/23/2010 */ +#define PROTOSPACE_NMRP 0x0912 +/* Foxconn add end by Cliff Wang, 03/23/2010 */ + +#define ARP_KEEP_TIMER 60 +#define ARP_QUERY_TIMER 1 +#define ARP_QUERY_RETRIES 4 +#define ARP_TXWAIT_MAX 2 +#define ARP_TABLE_SIZE 8 + +typedef enum { ae_unused, ae_arping, ae_established } arpstate_t; + +typedef struct arpentry_s { + arpstate_t ae_state; + int ae_usage; + int ae_timer; + int ae_retries; + int ae_permanent; + uint8_t ae_ipaddr[IP_ADDR_LEN]; + uint8_t ae_ethaddr[ENET_ADDR_LEN]; + queue_t ae_txqueue; +} arpentry_t; + + +/* ********************************************************************* + * IP Protocol + ********************************************************************* */ + +#define IPHDR_VER_4 0x40 +#define IPHDR_LEN_20 0x05 +#define IPHDR_LENGTH 20 +#define IPHDR_TOS_DEFAULT 0x00 +#define IPHDR_TTL_DEFAULT 100 + +#define IPHDR_RESERVED 0x8000 +#define IPHDR_DONTFRAGMENT 0x4000 +#define IPHDR_MOREFRAGMENTS 0x2000 +#define IPHDR_FRAGOFFSET 0x01FFF + +typedef struct ip_protodisp_s { + uint8_t protocol; + int (*cb)(void *ref,ebuf_t *buf,uint8_t *dst,uint8_t *src); + void *ref; +} ip_protodisp_t; + +#define IP_MAX_PROTOCOLS 4 + + +struct ip_info_s { + net_info_t net_info; + + /* Ethernet info */ + ether_info_t *eth_info; + + /* Info specific to IP */ + uint16_t ip_id; + int ip_port; + + /* IP protocol dispatch table */ + ip_protodisp_t ip_protocols[IP_MAX_PROTOCOLS]; + + /* Info specific to ARP */ + arpentry_t *arp_table; + int arp_port; + uint8_t arp_hwaddr[ENET_ADDR_LEN]; +}; + + |