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 61