1 /* 2 * Private header file for the zebra FPM module. 3 * 4 * Copyright (C) 2012 by Open Source Routing. 5 * Copyright (C) 2012 by Internet Systems Consortium, Inc. ("ISC") 6 * 7 * This file is part of GNU Zebra. 8 * 9 * GNU Zebra is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2, or (at your option) 12 * any later version. 13 * 14 * GNU Zebra is distributed in the hope that it will be useful, but 15 * WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; see the file COPYING; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24 #ifndef _ZEBRA_FPM_PRIVATE_H 25 #define _ZEBRA_FPM_PRIVATE_H 26 27 #include "zebra/debug.h" 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L 34 35 #define zfpm_debug(...) \ 36 do { \ 37 if (IS_ZEBRA_DEBUG_FPM) \ 38 zlog_debug("FPM: " __VA_ARGS__); \ 39 } while (0) 40 41 #elif defined __GNUC__ 42 43 #define zfpm_debug(_args...) \ 44 do { \ 45 if (IS_ZEBRA_DEBUG_FPM) \ 46 zlog_debug("FPM: " _args); \ 47 } while (0) 48 49 #else 50 static inline void zfpm_debug(const char *format, ...) 51 { 52 return; 53 } 54 #endif 55 56 /* This structure contains the MAC addresses enqueued for FPM processing. */ 57 struct fpm_mac_info_t { 58 struct ethaddr macaddr; 59 uint32_t zebra_flags; /* Could be used to build FPM messages */ 60 vni_t vni; 61 ifindex_t vxlan_if; 62 ifindex_t svi_if; /* L2 or L3 Bridge interface */ 63 struct in_addr r_vtep_ip; /* Remote VTEP IP */ 64 65 /* Linkage to put MAC on the FPM processing queue. */ 66 TAILQ_ENTRY(fpm_mac_info_t) fpm_mac_q_entries; 67 68 uint8_t fpm_flags; 69 70 #define ZEBRA_MAC_UPDATE_FPM 0x1 /* This flag indicates if we want to upadte 71 * data plane for this MAC. If a MAC is added 72 * and then deleted immediately, we do not want 73 * to update data plane for such operation. 74 * Unset the ZEBRA_MAC_UPDATE_FPM flag in this 75 * case. FPM thread while processing the queue 76 * node will check this flag and dequeue the 77 * node silently without sending any update to 78 * the data plane. 79 */ 80 #define ZEBRA_MAC_DELETE_FPM 0x2 /* This flag is set if it is a delete operation 81 * for the MAC. 82 */ 83 }; 84 85 /* 86 * Externs 87 */ 88 extern int zfpm_netlink_encode_route(int cmd, rib_dest_t *dest, 89 struct route_entry *re, char *in_buf, 90 size_t in_buf_len); 91 92 extern int zfpm_protobuf_encode_route(rib_dest_t *dest, struct route_entry *re, 93 uint8_t *in_buf, size_t in_buf_len); 94 95 extern int zfpm_netlink_encode_mac(struct fpm_mac_info_t *mac, char *in_buf, 96 size_t in_buf_len); 97 98 extern struct route_entry *zfpm_route_for_update(rib_dest_t *dest); 99 100 #ifdef __cplusplus 101 } 102 #endif 103 104 #endif /* _ZEBRA_FPM_PRIVATE_H */ 105