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 24 #if defined(DEBUG_ROCKER) 25 # define DPRINTF(fmt, ...) \ 26 do { \ 27 struct timeval tv; \ 28 char timestr[64]; \ 29 time_t now; \ 30 gettimeofday(&tv, NULL); \ 31 now = tv.tv_sec; \ 32 strftime(timestr, sizeof(timestr), "%T", localtime(&now)); \ 33 fprintf(stderr, "%s.%06ld ", timestr, tv.tv_usec); \ 34 fprintf(stderr, "ROCKER: " fmt, ## __VA_ARGS__); \ 35 } while (0) 36 #else 37 static inline GCC_FMT_ATTR(1, 2) int DPRINTF(const char *fmt, ...) 38 { 39 return 0; 40 } 41 #endif 42 43 #define __le16 uint16_t 44 #define __le32 uint32_t 45 #define __le64 uint64_t 46 47 #define __be16 uint16_t 48 #define __be32 uint32_t 49 #define __be64 uint64_t 50 51 static inline bool ipv4_addr_is_multicast(__be32 addr) 52 { 53 return (addr & htonl(0xf0000000)) == htonl(0xe0000000); 54 } 55 56 typedef struct ipv6_addr { 57 union { 58 uint8_t addr8[16]; 59 __be16 addr16[8]; 60 __be32 addr32[4]; 61 }; 62 } Ipv6Addr; 63 64 static inline bool ipv6_addr_is_multicast(const Ipv6Addr *addr) 65 { 66 return (addr->addr32[0] & htonl(0xFF000000)) == htonl(0xFF000000); 67 } 68 69 typedef struct rocker Rocker; 70 typedef struct world World; 71 typedef struct desc_info DescInfo; 72 typedef struct desc_ring DescRing; 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