LXR qemu/hw/net/rocker/rocker.h

   1/*
   2 * QEMU rocker switch emulation
   3 *
   4 * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com>
   5 * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
   6 * Copyright (c) 2014 Neil Horman <nhorman@tuxdriver.com>
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License as published by
  10 * the Free Software Foundation; either version 2 of the License, or
  11 * (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16 * GNU General Public License for more details.
  17 */
  18
  19#ifndef ROCKER_H
  20#define ROCKER_H
  21
  22#include "qemu/sockets.h"
  23#include "qom/object.h"
  24
  25#if defined(DEBUG_ROCKER)
  26#  define DPRINTF(fmt, ...) \
  27    do {                                                           \
  28        g_autoptr(GDateTime) now = g_date_time_new_now_local();    \
  29        g_autofree char *nowstr = g_date_time_format(now, "%T.%f");\
  30        fprintf(stderr, "%s ROCKER: " fmt, nowstr, ## __VA_ARGS__);\
  31    } while (0)
  32#else
  33static inline GCC_FMT_ATTR(1, 2) int DPRINTF(const char *fmt, ...)
  34{
  35    return 0;
  36}
  37#endif
  38
  39#define __le16 uint16_t
  40#define __le32 uint32_t
  41#define __le64 uint64_t
  42
  43#define __be16 uint16_t
  44#define __be32 uint32_t
  45#define __be64 uint64_t
  46
  47static inline bool ipv4_addr_is_multicast(__be32 addr)
  48{
  49    return (addr & htonl(0xf0000000)) == htonl(0xe0000000);
  50}
  51
  52typedef struct ipv6_addr {
  53    union {
  54        uint8_t addr8[16];
  55        __be16 addr16[8];
  56        __be32 addr32[4];
  57    };
  58} Ipv6Addr;
  59
  60static inline bool ipv6_addr_is_multicast(const Ipv6Addr *addr)
  61{
  62    return (addr->addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000);
  63}
  64
  65typedef struct world World;
  66typedef struct desc_info DescInfo;
  67typedef struct desc_ring DescRing;
  68
  69#define TYPE_ROCKER "rocker"
  70typedef struct rocker Rocker;
  71DECLARE_INSTANCE_CHECKER(Rocker, ROCKER,
  72                         TYPE_ROCKER)
  73
  74Rocker *rocker_find(const char *name);
  75uint32_t rocker_fp_ports(Rocker *r);
  76int rocker_event_link_changed(Rocker *r, uint32_t pport, bool link_up);
  77int rocker_event_mac_vlan_seen(Rocker *r, uint32_t pport, uint8_t *addr,
  78                               uint16_t vlan_id);
  79int rx_produce(World *world, uint32_t pport,
  80               const struct iovec *iov, int iovcnt, uint8_t copy_to_cpu);
  81int rocker_port_eg(Rocker *r, uint32_t pport,
  82                   const struct iovec *iov, int iovcnt);
  83
  84#endif /* ROCKER_H */
  85