forked from Minki/linux
e3cf00d0a8
This adds a driver that allows userspace to use UD-like QPs over a proprietary Cisco transport with Cisco's Virtual Interface Cards (VICs), including VIC 1240 and 1280 cards. Signed-off-by: Upinder Malhi <umalhi@cisco.com> Signed-off-by: Christian Benvenuti <benve@cisco.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/*
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* Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
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*
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* This program is free software; you may redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef USNIC_CMN_UTIL_H
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#define USNIC_CMN_UTIL_H
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static inline void
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usnic_mac_to_gid(const char *const mac, char *raw_gid)
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{
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raw_gid[0] = 0xfe;
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raw_gid[1] = 0x80;
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memset(&raw_gid[2], 0, 6);
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raw_gid[8] = mac[0]^2;
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raw_gid[9] = mac[1];
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raw_gid[10] = mac[2];
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raw_gid[11] = 0xff;
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raw_gid[12] = 0xfe;
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raw_gid[13] = mac[3];
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raw_gid[14] = mac[4];
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raw_gid[15] = mac[5];
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}
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static inline void
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usnic_write_gid_if_id_from_mac(char *mac, char *raw_gid)
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{
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raw_gid[8] = mac[0]^2;
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raw_gid[9] = mac[1];
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raw_gid[10] = mac[2];
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raw_gid[11] = 0xff;
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raw_gid[12] = 0xfe;
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raw_gid[13] = mac[3];
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raw_gid[14] = mac[4];
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raw_gid[15] = mac[5];
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}
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#endif /* USNIC_COMMON_UTIL_H */
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