1 /* QLogic qed NIC Driver 2 * Copyright (c) 2015-2017 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 _QED_IWARP_H 33 #define _QED_IWARP_H 34 35 enum qed_iwarp_qp_state { 36 QED_IWARP_QP_STATE_IDLE, 37 QED_IWARP_QP_STATE_RTS, 38 QED_IWARP_QP_STATE_TERMINATE, 39 QED_IWARP_QP_STATE_CLOSING, 40 QED_IWARP_QP_STATE_ERROR, 41 }; 42 43 enum qed_iwarp_qp_state qed_roce2iwarp_state(enum qed_roce_qp_state state); 44 45 struct qed_iwarp_info { 46 spinlock_t iw_lock; /* for iwarp resources */ 47 spinlock_t qp_lock; /* for teardown races */ 48 u32 rcv_wnd_scale; 49 u16 max_mtu; 50 u8 mac_addr[ETH_ALEN]; 51 u8 crc_needed; 52 u8 tcp_flags; 53 u8 peer2peer; 54 enum mpa_negotiation_mode mpa_rev; 55 enum mpa_rtr_type rtr_type; 56 }; 57 58 int qed_iwarp_alloc(struct qed_hwfn *p_hwfn); 59 60 int qed_iwarp_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, 61 struct qed_rdma_start_in_params *params); 62 63 int qed_iwarp_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 64 65 void qed_iwarp_resc_free(struct qed_hwfn *p_hwfn); 66 67 void qed_iwarp_init_devinfo(struct qed_hwfn *p_hwfn); 68 69 void qed_iwarp_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 70 71 int qed_iwarp_create_qp(struct qed_hwfn *p_hwfn, 72 struct qed_rdma_qp *qp, 73 struct qed_rdma_create_qp_out_params *out_params); 74 75 int qed_iwarp_modify_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp, 76 enum qed_iwarp_qp_state new_state, bool internal); 77 78 int qed_iwarp_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp); 79 80 int qed_iwarp_fw_destroy(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp); 81 82 void qed_iwarp_query_qp(struct qed_rdma_qp *qp, 83 struct qed_rdma_query_qp_out_params *out_params); 84 85 #endif 86