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        struct timeval tv;                                         \
  29        char timestr[64];                                          \
  30        time_t now;                                                \
  31        gettimeofday(&tv, NULL);                                   \
  32        now = tv.tv_sec;                                           \
  33        strftime(timestr, sizeof(timestr), "%T", localtime(&now)); \
  34        fprintf(stderr, "%s.%06ld ", timestr, tv.tv_usec);         \
  35        fprintf(stderr, "ROCKER: " fmt, ## __VA_ARGS__);           \
  36    } while (0)
  37#else
  38static inline GCC_FMT_ATTR(1, 2) int DPRINTF(const char *fmt, ...)
  39{
  40    return 0;
  41}
  42#endif
  43
  44#define __le16 uint16_t
  45#define __le32 uint32_t
  46#define __le64 uint64_t
  47
  48#define __be16 uint16_t
  49#define __be32 uint32_t
  50#define __be64 uint64_t
  51
  52static inline bool ipv4_addr_is_multicast(__be32 addr)
  53{
  54    return (addr & htonl(0xf0000000)) == htonl(0xe0000000);
  55}
  56
  57typedef struct ipv6_addr {
  58    union {
  59        uint8_t addr8[16];
  60        __be16 addr16[8];
  61        __be32 addr32[4];
  62    };
  63} Ipv6Addr;
  64
  65static inline bool ipv6_addr_is_multicast(const Ipv6Addr *addr)
  66{
  67    return (addr->addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000);
  68}
  69
  70typedef struct world World;
  71typedef struct desc_info DescInfo;
  72typedef struct desc_ring DescRing;
  73
  74#define TYPE_ROCKER "rocker"
  75typedef struct rocker Rocker;
  76DECLARE_INSTANCE_CHECKER(Rocker, ROCKER,
  77                         TYPE_ROCKER)
  78
  79Rocker *rocker_find(const char *name);
  80uint32_t rocker_fp_ports(Rocker *r);
  81int rocker_event_link_changed(Rocker *r, uint32_t pport, bool link_up);
  82int rocker_event_mac_vlan_seen(Rocker *r, uint32_t pport, uint8_t *addr,
  83                               uint16_t vlan_id);
  84int rx_produce(World *world, uint32_t pport,
  85               const struct iovec *iov, int iovcnt, uint8_t copy_to_cpu);
  86int rocker_port_eg(Rocker *r, uint32_t pport,
  87                   const struct iovec *iov, int iovcnt);
  88
  89#endif /* ROCKER_H */
  90