1 /* QLogic qedr NIC Driver
2 * Copyright (c) 2015-2016 QLogic Corporation
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32 #ifndef LINUX_QEDR_CM_H_
33 #define LINUX_QEDR_CM_H_
34
35 #define QEDR_GSI_MAX_RECV_WR (4096)
36 #define QEDR_GSI_MAX_SEND_WR (4096)
37
38 #define QEDR_GSI_MAX_RECV_SGE (1) /* LL2 FW limitation */
39
40 #define QEDR_ROCE_V2_UDP_SPORT (0000)
41
42 static inline u32 qedr_get_ipv4_from_gid(const u8 *gid)
43 {
44 return *(u32 *)(void *)&gid[12];
45 }
46
47 /* RDMA CM */
48 int qedr_gsi_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
49 int qedr_gsi_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
50 const struct ib_recv_wr **bad_wr);
51 int qedr_gsi_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
52 const struct ib_send_wr **bad_wr);
53 struct ib_qp *qedr_create_gsi_qp(struct qedr_dev *dev,
54 struct ib_qp_init_attr *attrs,
55 struct qedr_qp *qp);
56 void qedr_store_gsi_qp_cq(struct qedr_dev *dev,
57 struct qedr_qp *qp, struct ib_qp_init_attr *attrs);
58 int qedr_destroy_gsi_qp(struct qedr_dev *dev);
59 void qedr_inc_sw_gsi_cons(struct qedr_qp_hwq_info *info);
60 #endif