85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
/*
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* QEMU rocker switch emulation
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*
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* Copyright (c) 2014 Scott Feldman <sfeldma@gmail.com>
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* Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
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* Copyright (c) 2014 Neil Horman <nhorman@tuxdriver.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef ROCKER_H
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#define ROCKER_H
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#include "qemu/sockets.h"
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#if defined(DEBUG_ROCKER)
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# define DPRINTF(fmt, ...) \
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do { \
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struct timeval tv; \
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char timestr[64]; \
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time_t now; \
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gettimeofday(&tv, NULL); \
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now = tv.tv_sec; \
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strftime(timestr, sizeof(timestr), "%T", localtime(&now)); \
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fprintf(stderr, "%s.%06ld ", timestr, tv.tv_usec); \
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fprintf(stderr, "ROCKER: " fmt, ## __VA_ARGS__); \
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} while (0)
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#else
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static inline GCC_FMT_ATTR(1, 2) int DPRINTF(const char *fmt, ...)
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{
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return 0;
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}
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#endif
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#define __le16 uint16_t
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#define __le32 uint32_t
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#define __le64 uint64_t
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#define __be16 uint16_t
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#define __be32 uint32_t
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#define __be64 uint64_t
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static inline bool ipv4_addr_is_multicast(__be32 addr)
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{
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return (addr & htonl(0xf0000000)) == htonl(0xe0000000);
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}
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typedef struct ipv6_addr {
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union {
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uint8_t addr8[16];
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__be16 addr16[8];
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__be32 addr32[4];
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};
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} Ipv6Addr;
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static inline bool ipv6_addr_is_multicast(const Ipv6Addr *addr)
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{
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return (addr->addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000);
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}
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typedef struct rocker Rocker;
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typedef struct world World;
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typedef struct desc_info DescInfo;
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typedef struct desc_ring DescRing;
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Rocker *rocker_find(const char *name);
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uint32_t rocker_fp_ports(Rocker *r);
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int rocker_event_link_changed(Rocker *r, uint32_t pport, bool link_up);
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int rocker_event_mac_vlan_seen(Rocker *r, uint32_t pport, uint8_t *addr,
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uint16_t vlan_id);
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int rx_produce(World *world, uint32_t pport,
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const struct iovec *iov, int iovcnt, uint8_t copy_to_cpu);
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int rocker_port_eg(Rocker *r, uint32_t pport,
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const struct iovec *iov, int iovcnt);
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#endif /* ROCKER_H */
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