diff options
author | Kalderon, Michal <Michal.Kalderon@cavium.com> | 2017-07-26 14:41:51 +0300 |
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committer | Doug Ledford <dledford@redhat.com> | 2017-08-18 12:25:18 -0400 |
commit | 99d195cc089e689e54bad13c9bdf88e90d158892 (patch) | |
tree | ca5be14bbde2e8958d0ebae8ac5ce8d8b20aaa83 /drivers/infiniband/hw/qedr/qedr_roce_cm.h | |
parent | RDMA/qedr: Add additional maintainer to MAINTAINERS file (diff) | |
download | linux-dev-99d195cc089e689e54bad13c9bdf88e90d158892.tar.xz linux-dev-99d195cc089e689e54bad13c9bdf88e90d158892.zip |
RDMA/qedr: Rename the qedr_cm file as a preparation for iWARP support
The main differences between iWARP and RoCE lay in the communication
management functions. These will be placed in separate files.
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/qedr/qedr_roce_cm.h')
-rw-r--r-- | drivers/infiniband/hw/qedr/qedr_roce_cm.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qedr/qedr_roce_cm.h b/drivers/infiniband/hw/qedr/qedr_roce_cm.h new file mode 100644 index 000000000000..a55916323ea9 --- /dev/null +++ b/drivers/infiniband/hw/qedr/qedr_roce_cm.h @@ -0,0 +1,60 @@ +/* QLogic qedr NIC Driver + * Copyright (c) 2015-2016 QLogic Corporation + * + * 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. + */ +#ifndef LINUX_QEDR_CM_H_ +#define LINUX_QEDR_CM_H_ + +#define QEDR_GSI_MAX_RECV_WR (4096) +#define QEDR_GSI_MAX_SEND_WR (4096) + +#define QEDR_GSI_MAX_RECV_SGE (1) /* LL2 FW limitation */ + +#define QEDR_ROCE_V2_UDP_SPORT (0000) + +static inline u32 qedr_get_ipv4_from_gid(const u8 *gid) +{ + return *(u32 *)(void *)&gid[12]; +} + +/* RDMA CM */ +int qedr_gsi_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); +int qedr_gsi_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, + struct ib_recv_wr **bad_wr); +int qedr_gsi_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, + struct ib_send_wr **bad_wr); +struct ib_qp *qedr_create_gsi_qp(struct qedr_dev *dev, + struct ib_qp_init_attr *attrs, + struct qedr_qp *qp); +void qedr_store_gsi_qp_cq(struct qedr_dev *dev, + struct qedr_qp *qp, struct ib_qp_init_attr *attrs); +int qedr_destroy_gsi_qp(struct qedr_dev *dev); +void qedr_inc_sw_gsi_cons(struct qedr_qp_hwq_info *info); +#endif |