2 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
4 * This program is free software; you may redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
9 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
10 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
11 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
12 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
13 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
14 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
19 #ifndef USNIC_CMN_UTIL_H
20 #define USNIC_CMN_UTIL_H
23 usnic_mac_to_gid(const char *const mac, char *raw_gid)
27 memset(&raw_gid[2], 0, 6);
28 raw_gid[8] = mac[0]^2;
39 usnic_mac_ip_to_gid(const char *const mac, const __be32 inaddr, char *raw_gid)
43 memset(&raw_gid[2], 0, 2);
44 memcpy(&raw_gid[4], &inaddr, 4);
45 raw_gid[8] = mac[0]^2;
56 usnic_write_gid_if_id_from_mac(char *mac, char *raw_gid)
58 raw_gid[8] = mac[0]^2;
68 #endif /* USNIC_COMMON_UTIL_H */