/* * Copyright (c) 2016 Hisilicon Limited. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE.
*/
if (!fl)
sport = get_random_u32_inclusive(IB_ROCE_UDP_ENCAP_VALID_PORT_MIN,
IB_ROCE_UDP_ENCAP_VALID_PORT_MAX); else
sport = rdma_flow_label_to_udp_sport(fl);
/* HIP08 needs to record vlan info in Address Vector */ if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08) {
ret = rdma_read_gid_l2_fields(ah_attr->grh.sgid_attr,
&ah->av.vlan_id, NULL); if (ret) goto err_out;
ah->av.vlan_en = ah->av.vlan_id < VLAN_N_VID;
}
if (udata) {
resp.priority = ah->av.sl;
resp.tc_mode = tc_mode;
memcpy(resp.dmac, ah_attr->roce.dmac, ETH_ALEN);
ret = ib_copy_to_udata(udata, &resp,
min(udata->outlen, sizeof(resp)));
}
err_out: if (ret)
atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_AH_CREATE_ERR_CNT]);
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