diff options
Diffstat (limited to 'hw/net/rocker/rocker.h')
-rw-r--r-- | hw/net/rocker/rocker.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/hw/net/rocker/rocker.h b/hw/net/rocker/rocker.h new file mode 100644 index 000000000..412fa44d0 --- /dev/null +++ b/hw/net/rocker/rocker.h @@ -0,0 +1,84 @@ +/* + * 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 GCC_FMT_ATTR(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); +uint32_t rocker_fp_ports(Rocker *r); +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 */ |