105 lines
3.3 KiB
C
Executable file
105 lines
3.3 KiB
C
Executable file
/*
|
|
* Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
|
|
* Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include "rxe.h"
|
|
#include "rxe_loc.h"
|
|
|
|
int rxe_av_chk_attr(struct rxe_dev *rxe, struct rdma_ah_attr *attr)
|
|
{
|
|
struct rxe_port *port;
|
|
|
|
port = &rxe->port;
|
|
|
|
if (rdma_ah_get_ah_flags(attr) & IB_AH_GRH) {
|
|
u8 sgid_index = rdma_ah_read_grh(attr)->sgid_index;
|
|
|
|
if (sgid_index > port->attr.gid_tbl_len) {
|
|
pr_warn("invalid sgid index = %d\n", sgid_index);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void rxe_av_from_attr(u8 port_num, struct rxe_av *av,
|
|
struct rdma_ah_attr *attr)
|
|
{
|
|
const struct ib_global_route *grh = rdma_ah_read_grh(attr);
|
|
|
|
memset(av, 0, sizeof(*av));
|
|
memcpy(av->grh.dgid.raw, grh->dgid.raw, sizeof(grh->dgid.raw));
|
|
av->grh.flow_label = grh->flow_label;
|
|
av->grh.sgid_index = grh->sgid_index;
|
|
av->grh.hop_limit = grh->hop_limit;
|
|
av->grh.traffic_class = grh->traffic_class;
|
|
av->port_num = port_num;
|
|
}
|
|
|
|
void rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr)
|
|
{
|
|
struct ib_global_route *grh = rdma_ah_retrieve_grh(attr);
|
|
|
|
attr->type = RDMA_AH_ATTR_TYPE_ROCE;
|
|
|
|
memcpy(grh->dgid.raw, av->grh.dgid.raw, sizeof(av->grh.dgid.raw));
|
|
grh->flow_label = av->grh.flow_label;
|
|
grh->sgid_index = av->grh.sgid_index;
|
|
grh->hop_limit = av->grh.hop_limit;
|
|
grh->traffic_class = av->grh.traffic_class;
|
|
|
|
rdma_ah_set_ah_flags(attr, IB_AH_GRH);
|
|
rdma_ah_set_port_num(attr, av->port_num);
|
|
}
|
|
|
|
void rxe_av_fill_ip_info(struct rxe_av *av, struct rdma_ah_attr *attr)
|
|
{
|
|
const struct ib_gid_attr *sgid_attr = attr->grh.sgid_attr;
|
|
|
|
rdma_gid2ip((struct sockaddr *)&av->sgid_addr, &sgid_attr->gid);
|
|
rdma_gid2ip((struct sockaddr *)&av->dgid_addr,
|
|
&rdma_ah_read_grh(attr)->dgid);
|
|
av->network_type = rdma_gid_attr_network_type(sgid_attr);
|
|
}
|
|
|
|
struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt)
|
|
{
|
|
if (!pkt || !pkt->qp)
|
|
return NULL;
|
|
|
|
if (qp_type(pkt->qp) == IB_QPT_RC || qp_type(pkt->qp) == IB_QPT_UC)
|
|
return &pkt->qp->pri_av;
|
|
|
|
return (pkt->wqe) ? &pkt->wqe->av : NULL;
|
|
}
|