1e3cf00d0SUpinder Malhi /* 2e3cf00d0SUpinder Malhi * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. 3e3cf00d0SUpinder Malhi * 4e3cf00d0SUpinder Malhi * This program is free software; you may redistribute it and/or modify 5e3cf00d0SUpinder Malhi * it under the terms of the GNU General Public License as published by 6e3cf00d0SUpinder Malhi * the Free Software Foundation; version 2 of the License. 7e3cf00d0SUpinder Malhi * 8e3cf00d0SUpinder Malhi * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 9e3cf00d0SUpinder Malhi * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 10e3cf00d0SUpinder Malhi * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 11e3cf00d0SUpinder Malhi * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 12e3cf00d0SUpinder Malhi * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 13e3cf00d0SUpinder Malhi * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 14e3cf00d0SUpinder Malhi * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 15e3cf00d0SUpinder Malhi * SOFTWARE. 16e3cf00d0SUpinder Malhi * 17e3cf00d0SUpinder Malhi */ 18e3cf00d0SUpinder Malhi 19e3cf00d0SUpinder Malhi #ifndef USNIC_CMN_UTIL_H 20e3cf00d0SUpinder Malhi #define USNIC_CMN_UTIL_H 21e3cf00d0SUpinder Malhi 22e3cf00d0SUpinder Malhi static inline void 23e3cf00d0SUpinder Malhi usnic_mac_to_gid(const char *const mac, char *raw_gid) 24e3cf00d0SUpinder Malhi { 25e3cf00d0SUpinder Malhi raw_gid[0] = 0xfe; 26e3cf00d0SUpinder Malhi raw_gid[1] = 0x80; 27e3cf00d0SUpinder Malhi memset(&raw_gid[2], 0, 6); 28e3cf00d0SUpinder Malhi raw_gid[8] = mac[0]^2; 29e3cf00d0SUpinder Malhi raw_gid[9] = mac[1]; 30e3cf00d0SUpinder Malhi raw_gid[10] = mac[2]; 31e3cf00d0SUpinder Malhi raw_gid[11] = 0xff; 32e3cf00d0SUpinder Malhi raw_gid[12] = 0xfe; 33e3cf00d0SUpinder Malhi raw_gid[13] = mac[3]; 34e3cf00d0SUpinder Malhi raw_gid[14] = mac[4]; 35e3cf00d0SUpinder Malhi raw_gid[15] = mac[5]; 36e3cf00d0SUpinder Malhi } 37e3cf00d0SUpinder Malhi 38e3cf00d0SUpinder Malhi static inline void 39c7845bcaSUpinder Malhi usnic_mac_ip_to_gid(const char *const mac, const uint32_t inaddr, char *raw_gid) 40c7845bcaSUpinder Malhi { 41c7845bcaSUpinder Malhi raw_gid[0] = 0xfe; 42c7845bcaSUpinder Malhi raw_gid[1] = 0x80; 43c7845bcaSUpinder Malhi memset(&raw_gid[2], 0, 2); 44c7845bcaSUpinder Malhi memcpy(&raw_gid[4], &inaddr, 4); 45c7845bcaSUpinder Malhi raw_gid[8] = mac[0]^2; 46c7845bcaSUpinder Malhi raw_gid[9] = mac[1]; 47c7845bcaSUpinder Malhi raw_gid[10] = mac[2]; 48c7845bcaSUpinder Malhi raw_gid[11] = 0xff; 49c7845bcaSUpinder Malhi raw_gid[12] = 0xfe; 50c7845bcaSUpinder Malhi raw_gid[13] = mac[3]; 51c7845bcaSUpinder Malhi raw_gid[14] = mac[4]; 52c7845bcaSUpinder Malhi raw_gid[15] = mac[5]; 53c7845bcaSUpinder Malhi } 54c7845bcaSUpinder Malhi 55c7845bcaSUpinder Malhi static inline void 56e3cf00d0SUpinder Malhi usnic_write_gid_if_id_from_mac(char *mac, char *raw_gid) 57e3cf00d0SUpinder Malhi { 58e3cf00d0SUpinder Malhi raw_gid[8] = mac[0]^2; 59e3cf00d0SUpinder Malhi raw_gid[9] = mac[1]; 60e3cf00d0SUpinder Malhi raw_gid[10] = mac[2]; 61e3cf00d0SUpinder Malhi raw_gid[11] = 0xff; 62e3cf00d0SUpinder Malhi raw_gid[12] = 0xfe; 63e3cf00d0SUpinder Malhi raw_gid[13] = mac[3]; 64e3cf00d0SUpinder Malhi raw_gid[14] = mac[4]; 65e3cf00d0SUpinder Malhi raw_gid[15] = mac[5]; 66e3cf00d0SUpinder Malhi } 67e3cf00d0SUpinder Malhi 68e3cf00d0SUpinder Malhi #endif /* USNIC_COMMON_UTIL_H */ 69