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