| 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 |
| 33 | static inline G_GNUC_PRINTF(1, 2) int DPRINTF(const char *fmt, ...) |
| 34 | { |
| 35 | return 0; |
| 36 | } |
| 37 | #endif |
| 38 | |
| 39 | static inline bool ipv4_addr_is_multicast(uint32_t addr) |
| 40 | { |
| 41 | return (addr & htonl(0xf0000000)) == htonl(0xe0000000); |
| 42 | } |
| 43 | |
| 44 | typedef struct ipv6_addr { |
| 45 | union { |
| 46 | uint8_t addr8[16]; |
| 47 | uint16_t addr16[8]; |
| 48 | uint32_t addr32[4]; |
| 49 | }; |
| 50 | } Ipv6Addr; |
| 51 | |
| 52 | static inline bool ipv6_addr_is_multicast(const Ipv6Addr *addr) |
| 53 | { |
| 54 | return (addr->addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000); |
| 55 | } |
| 56 | |
| 57 | typedef struct world World; |
| 58 | typedef struct desc_info DescInfo; |
| 59 | typedef struct desc_ring DescRing; |
| 60 | |
| 61 | #define TYPE_ROCKER "rocker" |
| 62 | typedef struct rocker Rocker; |
| 63 | DECLARE_INSTANCE_CHECKER(Rocker, ROCKER, |
| 64 | TYPE_ROCKER) |
| 65 | |
| 66 | Rocker *rocker_find(const char *name); |
| 67 | int rocker_event_link_changed(Rocker *r, uint32_t pport, bool link_up); |
| 68 | int rocker_event_mac_vlan_seen(Rocker *r, uint32_t pport, uint8_t *addr, |
| 69 | uint16_t vlan_id); |
| 70 | int rx_produce(World *world, uint32_t pport, |
| 71 | const struct iovec *iov, int iovcnt, uint8_t copy_to_cpu); |
| 72 | int rocker_port_eg(Rocker *r, uint32_t pport, |
| 73 | const struct iovec *iov, int iovcnt); |
| 74 | |
| 75 | #endif /* ROCKER_H */ |