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 #define __le16 uint16_t 40 #define __le32 uint32_t 41 #define __le64 uint64_t 42 43 #define __be16 uint16_t 44 #define __be32 uint32_t 45 #define __be64 uint64_t 46 47 static inline bool ipv4_addr_is_multicast(__be32 addr) 48 { 49 return (addr & htonl(0xf0000000)) == htonl(0xe0000000); 50 } 51 52 typedef struct ipv6_addr { 53 union { 54 uint8_t addr8[16]; 55 __be16 addr16[8]; 56 __be32 addr32[4]; 57 }; 58 } Ipv6Addr; 59 60 static inline bool ipv6_addr_is_multicast(const Ipv6Addr *addr) 61 { 62 return (addr->addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000); 63 } 64 65 typedef struct world World; 66 typedef struct desc_info DescInfo; 67 typedef struct desc_ring DescRing; 68 69 #define TYPE_ROCKER "rocker" 70 typedef struct rocker Rocker; 71 DECLARE_INSTANCE_CHECKER(Rocker, ROCKER, 72 TYPE_ROCKER) 73 74 Rocker *rocker_find(const char *name); 75 uint32_t rocker_fp_ports(Rocker *r); 76 int rocker_event_link_changed(Rocker *r, uint32_t pport, bool link_up); 77 int rocker_event_mac_vlan_seen(Rocker *r, uint32_t pport, uint8_t *addr, 78 uint16_t vlan_id); 79 int rx_produce(World *world, uint32_t pport, 80 const struct iovec *iov, int iovcnt, uint8_t copy_to_cpu); 81 int rocker_port_eg(Rocker *r, uint32_t pport, 82 const struct iovec *iov, int iovcnt); 83 84 #endif /* ROCKER_H */ 85