blob: 00d2699018110e06e826d8f20787fef22d8fde57 [file] [log] [blame]
/*
* Copyright (c) 2011, 2017 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This file was originally distributed by Qualcomm Atheros, Inc.
* under proprietary terms before Copyright ownership was assigned
* to the Linux Foundation.
*/
//#ifndef _NET_IF_ETHERSUBR_H_
//#define _NET_IF_ETHERSUBR_H_
#ifndef _NET_IF_UPPERPROTO_H_
#define _NET_IF_UPPERPROTO_H_
#define ETHER_ADDR_LEN 6 /* length of an Ethernet address */
#define ETHER_TYPE_LEN 2 /* length of the Ethernet type field */
#define ETHER_CRC_LEN 4 /* length of the Ethernet CRC */
#define ETHER_HDR_LEN (ETHER_ADDR_LEN*2+ETHER_TYPE_LEN)
#define ETHER_MAX_LEN 1518
#define ETHERMTU (ETHER_MAX_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
/*
* Structure of a 10Mb/s Ethernet header.
*/
#ifndef _NET_ETHERNET_H_
struct ether_header {
u_int8_t ether_dhost[ETHER_ADDR_LEN];
u_int8_t ether_shost[ETHER_ADDR_LEN];
u_int16_t ether_type;
} __packed;
#endif
#ifndef _LINUX_IF_VLAN_H_
struct vlan_hdr {
u_int16_t h_vlan_TCI;
u_int16_t h_vlan_encapsulated_proto;
} __packed;
#define VLAN_VID_MASK 0xfff
#endif
#ifndef ETHERTYPE_WSMP
#define ETHERTYPE_WSMP 0x88dc /* WSMP protocol */
#endif
#ifndef ETHERTYPE_PAE
#define ETHERTYPE_PAE 0x888e /* EAPOL PAE/802.1x */
#endif
#ifndef ETHERTYPE_IP
#define ETHERTYPE_IP 0x0800 /* IP protocol */
#endif
#ifndef ETHERTYPE_AARP
#define ETHERTYPE_AARP 0x80f3 /* Appletalk AARP protocol */
#endif
#ifndef ETHERTYPE_IPX
#define ETHERTYPE_IPX 0x8137 /* IPX over DIX protocol */
#endif
#ifndef ETHERTYPE_ARP
#define ETHERTYPE_ARP 0x0806 /* ARP protocol */
#endif
#ifndef ETHERTYPE_IPV6
#define ETHERTYPE_IPV6 0x86dd /* IPv6 */
#endif
#ifndef ETHERTYPE_8021Q
#define ETHERTYPE_8021Q 0x8100 /* 802.1Q vlan protocol */
#endif
#ifndef ETHERTYPE_VLAN
#define ETHERTYPE_VLAN 0x8100 /* VLAN TAG protocol */
#endif
#ifndef TX_QUEUE_FOR_EAPOL_FRAME
#define TX_QUEUE_FOR_EAPOL_FRAME 0x7 /* queue eapol frame to queue 7 to avoid aggregation disorder */
#endif
/*
* define WAI ethertype
*/
#ifndef ETHERTYPE_WAI
#define ETHERTYPE_WAI 0x88b4 /* WAI/WAPI */
#endif
#define ETHERTYPE_OCB_TX 0x8151
#define ETHERTYPE_OCB_RX 0x8152
/*
* Structure of a 48-bit Ethernet address.
*/
#if 0
#ifndef _NET_ETHERNET_H_
struct ether_addr {
u_int8_t octet[ETHER_ADDR_LEN];
} __packed;
#endif
#endif
#define ETHER_IS_MULTICAST(addr) (*(addr) & 0x01) /* is address mcast/bcast? */
#define VLAN_PRI_SHIFT 13 /* Shift to find VLAN user priority */
#define VLAN_PRI_MASK 7 /* Mask for user priority bits in VLAN */
/*
* Structure of the IP frame
*/
struct ip_header {
u_int8_t version_ihl;
u_int8_t tos;
u_int16_t tot_len;
u_int16_t id;
u_int16_t frag_off;
u_int8_t ttl;
u_int8_t protocol;
u_int16_t check;
u_int32_t saddr;
u_int32_t daddr;
/*The options start here. */
};
#ifndef IP_PROTO_TCP
#define IP_PROTO_TCP 0x6 /* TCP protocol */
#endif
#ifndef IP_PROTO_UDP
#define IP_PROTO_UDP 17
#endif
/*
* IGMP protocol structures
*/
/* IGMP record type */
#define IGMP_QUERY_TYPE 0x11
#define IGMPV1_REPORT_TYPE 0x12
#define IGMPV2_REPORT_TYPE 0x16
#define IGMPV2_LEAVE_TYPE 0x17
#define IGMPV3_REPORT_TYPE 0x22
/* Is packet type is either leave or report */
#define IS_IGMP_REPORT_LEAVE_PACKET(type) (\
(IGMPV1_REPORT_TYPE == type)\
|| (IGMPV2_REPORT_TYPE == type)\
|| (IGMPV2_LEAVE_TYPE == type)\
|| (IGMPV3_REPORT_TYPE == type)\
)
/*
* Header in on cable format
*/
struct igmp_header
{
u_int8_t type;
u_int8_t code; /* For newer IGMP */
u_int16_t csum;
u_int32_t group;
};
/* V3 group record types [grec_type] */
#define IGMPV3_MODE_IS_INCLUDE 1
#define IGMPV3_MODE_IS_EXCLUDE 2
#define IGMPV3_CHANGE_TO_INCLUDE 3
#define IGMPV3_CHANGE_TO_EXCLUDE 4
#define IGMPV3_ALLOW_NEW_SOURCES 5
#define IGMPV3_BLOCK_OLD_SOURCES 6
/* Group record format
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Record Type | Aux Data Len | Number of Sources (N) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Multicast Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Source Address [1] |
+- -+
| Source Address [2] |
+- -+
. . .
. . .
. . .
+- -+
| Source Address [N] |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
. .
. Auxiliary Data .
. .
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
struct igmp_v3_grec {
u_int8_t grec_type;
u_int8_t grec_auxwords;
u_int16_t grec_nsrcs;
u_int32_t grec_mca;
};
/* IGMPv3 report format
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type = 0x22 | Reserved | Checksum |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Reserved | Number of Group Records (M) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
. .
. Group Record [1] .
. .
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
. .
. Group Record [2] .
. .
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| . |
. . .
| . |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
. .
. Group Record [M] .
. .
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
struct igmp_v3_report {
u_int8_t type;
u_int8_t resv1;
u_int16_t csum;
u_int16_t resv2;
u_int16_t ngrec;
};
/* Calculate the group record length*/
#define IGMPV3_GRP_REC_LEN(x) (8 + (4 * x->grec_nsrcs) + (4 * x->grec_auxwords) )
#endif /* _NET_IF_ETHERSUBR_H_ */