1dc488f88SScott Feldman /* 2dc488f88SScott Feldman * QEMU rocker switch emulation 3dc488f88SScott Feldman * 4dc488f88SScott Feldman * Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com> 5dc488f88SScott Feldman * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us> 6dc488f88SScott Feldman * Copyright (c) 2014 Neil Horman <nhorman@tuxdriver.com> 7dc488f88SScott Feldman * 8dc488f88SScott Feldman * This program is free software; you can redistribute it and/or modify 9dc488f88SScott Feldman * it under the terms of the GNU General Public License as published by 10dc488f88SScott Feldman * the Free Software Foundation; either version 2 of the License, or 11dc488f88SScott Feldman * (at your option) any later version. 12dc488f88SScott Feldman * 13dc488f88SScott Feldman * This program is distributed in the hope that it will be useful, 14dc488f88SScott Feldman * but WITHOUT ANY WARRANTY; without even the implied warranty of 15dc488f88SScott Feldman * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16dc488f88SScott Feldman * GNU General Public License for more details. 17dc488f88SScott Feldman */ 18dc488f88SScott Feldman 192a6a4076SMarkus Armbruster #ifndef ROCKER_H 202a6a4076SMarkus Armbruster #define ROCKER_H 21dc488f88SScott Feldman 22dc488f88SScott Feldman #include "qemu/sockets.h" 23db1015e9SEduardo Habkost #include "qom/object.h" 24dc488f88SScott Feldman 25dc488f88SScott Feldman #if defined(DEBUG_ROCKER) 26dc488f88SScott Feldman # define DPRINTF(fmt, ...) \ 277db161f6SDavid Ahern do { \ 2896916f36SDaniel P. Berrangé g_autoptr(GDateTime) now = g_date_time_new_now_local(); \ 2996916f36SDaniel P. Berrangé g_autofree char *nowstr = g_date_time_format(now, "%T.%f");\ 3096916f36SDaniel P. Berrangé fprintf(stderr, "%s ROCKER: " fmt, nowstr, ## __VA_ARGS__);\ 317db161f6SDavid Ahern } while (0) 32dc488f88SScott Feldman #else 339edc6313SMarc-André Lureau static inline G_GNUC_PRINTF(1, 2) int DPRINTF(const char *fmt, ...) 34dc488f88SScott Feldman { 35dc488f88SScott Feldman return 0; 36dc488f88SScott Feldman } 37dc488f88SScott Feldman #endif 38dc488f88SScott Feldman 39*5150004cSPaolo Bonzini static inline bool ipv4_addr_is_multicast(uint32_t addr) 40dc488f88SScott Feldman { 41dc488f88SScott Feldman return (addr & htonl(0xf0000000)) == htonl(0xe0000000); 42dc488f88SScott Feldman } 43dc488f88SScott Feldman 44dc488f88SScott Feldman typedef struct ipv6_addr { 45dc488f88SScott Feldman union { 46dc488f88SScott Feldman uint8_t addr8[16]; 47*5150004cSPaolo Bonzini uint16_t addr16[8]; 48*5150004cSPaolo Bonzini uint32_t addr32[4]; 49dc488f88SScott Feldman }; 50dc488f88SScott Feldman } Ipv6Addr; 51dc488f88SScott Feldman 52dc488f88SScott Feldman static inline bool ipv6_addr_is_multicast(const Ipv6Addr *addr) 53dc488f88SScott Feldman { 54dc488f88SScott Feldman return (addr->addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000); 55dc488f88SScott Feldman } 56dc488f88SScott Feldman 57dc488f88SScott Feldman typedef struct world World; 58dc488f88SScott Feldman typedef struct desc_info DescInfo; 59dc488f88SScott Feldman typedef struct desc_ring DescRing; 60dc488f88SScott Feldman 618eeb6f36SEduardo Habkost #define TYPE_ROCKER "rocker" 628eeb6f36SEduardo Habkost typedef struct rocker Rocker; 638110fa1dSEduardo Habkost DECLARE_INSTANCE_CHECKER(Rocker, ROCKER, 648110fa1dSEduardo Habkost TYPE_ROCKER) 658eeb6f36SEduardo Habkost 66dc488f88SScott Feldman Rocker *rocker_find(const char *name); 67dc488f88SScott Feldman int rocker_event_link_changed(Rocker *r, uint32_t pport, bool link_up); 68dc488f88SScott Feldman int rocker_event_mac_vlan_seen(Rocker *r, uint32_t pport, uint8_t *addr, 69dc488f88SScott Feldman uint16_t vlan_id); 70dc488f88SScott Feldman int rx_produce(World *world, uint32_t pport, 71d0d25558SScott Feldman const struct iovec *iov, int iovcnt, uint8_t copy_to_cpu); 72dc488f88SScott Feldman int rocker_port_eg(Rocker *r, uint32_t pport, 73dc488f88SScott Feldman const struct iovec *iov, int iovcnt); 74dc488f88SScott Feldman 752a6a4076SMarkus Armbruster #endif /* ROCKER_H */ 76