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/*
* QEMU rocker switch emulation
*
* Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com>
* Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
* Copyright (c) 2014 Neil Horman <nhorman@tuxdriver.com>
*
* 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.
*
* 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.
*/
#ifndef ROCKER_H
#define ROCKER_H
#include "qemu/sockets.h"
#include "qom/object.h"
#if defined(DEBUG_ROCKER)
# define DPRINTF(fmt, ...) \
do { \
g_autoptr(GDateTime) now = g_date_time_new_now_local(); \
g_autofree char *nowstr = g_date_time_format(now, "%T.%f");\
fprintf(stderr, "%s ROCKER: " fmt, nowstr, ## __VA_ARGS__);\
} while (0)
#else
static inline G_GNUC_PRINTF(1, 2) int DPRINTF(const char *fmt, ...)
{
return 0;
}
#endif
#define __le16 uint16_t
#define __le32 uint32_t
#define __le64 uint64_t
#define __be16 uint16_t
#define __be32 uint32_t
#define __be64 uint64_t
static inline bool ipv4_addr_is_multicast(__be32 addr)
{
return (addr & htonl(0xf0000000)) == htonl(0xe0000000);
}
typedef struct ipv6_addr {
union {
uint8_t addr8[16];
__be16 addr16[8];
__be32 addr32[4];
};
} Ipv6Addr;
static inline bool ipv6_addr_is_multicast(const Ipv6Addr *addr)
{
return (addr->addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000);
}
typedef struct world World;
typedef struct desc_info DescInfo;
typedef struct desc_ring DescRing;
#define TYPE_ROCKER "rocker"
typedef struct rocker Rocker;
DECLARE_INSTANCE_CHECKER(Rocker, ROCKER,
TYPE_ROCKER)
Rocker *rocker_find(const char *name);
int rocker_event_link_changed(Rocker *r, uint32_t pport, bool link_up);
int rocker_event_mac_vlan_seen(Rocker *r, uint32_t pport, uint8_t *addr,
uint16_t vlan_id);
int rx_produce(World *world, uint32_t pport,
const struct iovec *iov, int iovcnt, uint8_t copy_to_cpu);
int rocker_port_eg(Rocker *r, uint32_t pport,
const struct iovec *iov, int iovcnt);
#endif /* ROCKER_H */
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