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#ifndef _IPXE_ICMP6_H
#define _IPXE_ICMP6_H
/** @file
*
* ICMPv6 protocol
*
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdint.h>
#include <ipxe/tables.h>
#include <ipxe/iobuf.h>
#include <ipxe/netdevice.h>
/** An ICMPv6 header */
struct icmpv6_header {
/** Type */
uint8_t type;
/** Code */
uint8_t code;
/** Checksum */
uint16_t chksum;
} __attribute__ (( packed ));
/** An ICMPv6 echo request/reply */
struct icmpv6_echo {
/** ICMPv6 header */
struct icmpv6_header icmp;
/** Identifier */
uint16_t ident;
/** Sequence number */
uint16_t sequence;
/** Data */
uint8_t data[0];
} __attribute__ (( packed ));
/** An ICMPv6 handler */
struct icmpv6_handler {
/** Type */
unsigned int type;
/** Process received packet
*
* @v iobuf I/O buffer
* @v netdev Network device
* @v sin6_src Source socket address
* @v sin6_dest Destination socket address
* @ret rc Return status code
*
* This function takes ownership of the I/O buffer.
*/
int ( * rx ) ( struct io_buffer *iobuf, struct net_device *netdev,
struct sockaddr_in6 *sin6_src,
struct sockaddr_in6 *sin6_dest );
};
/** ICMPv6 handler table */
#define ICMPV6_HANDLERS __table ( struct icmpv6_handler, "icmpv6_handlers" )
/** Declare an ICMPv6 handler */
#define __icmpv6_handler __table_entry ( ICMPV6_HANDLERS, 01 )
/** ICMPv6 echo request */
#define ICMPV6_ECHO_REQUEST 128
/** ICMPv6 echo reply */
#define ICMPV6_ECHO_REPLY 129
/** ICMPv6 neighbour solicitation */
#define ICMPV6_NDP_NEIGHBOUR_SOLICITATION 135
/** ICMPv6 neighbour advertisement */
#define ICMPV6_NDP_NEIGHBOUR_ADVERTISEMENT 136
extern struct tcpip_protocol icmpv6_protocol __tcpip_protocol;
#endif /* _IPXE_ICMP6_H */
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