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 #define QED_IWARP_LL2_SYN_TX_SIZE (128) 46 #define QED_IWARP_LL2_SYN_RX_SIZE (256) 47 #define QED_IWARP_MAX_SYN_PKT_SIZE (128) 48 #define QED_IWARP_HANDLE_INVAL (0xff) 49 50 struct qed_iwarp_ll2_buff { 51 void *data; 52 dma_addr_t data_phys_addr; 53 u32 buff_size; 54 }; 55 56 struct qed_iwarp_info { 57 struct list_head listen_list; /* qed_iwarp_listener */ 58 spinlock_t iw_lock; /* for iwarp resources */ 59 spinlock_t qp_lock; /* for teardown races */ 60 u32 rcv_wnd_scale; 61 u16 max_mtu; 62 u8 mac_addr[ETH_ALEN]; 63 u8 crc_needed; 64 u8 tcp_flags; 65 u8 ll2_syn_handle; 66 u8 peer2peer; 67 enum mpa_negotiation_mode mpa_rev; 68 enum mpa_rtr_type rtr_type; 69 }; 70 71 struct qed_iwarp_listener { 72 struct list_head list_entry; 73 74 /* The event_cb function is called for connection requests. 75 * The cb_context is passed to the event_cb function. 76 */ 77 iwarp_event_handler event_cb; 78 void *cb_context; 79 u32 max_backlog; 80 u32 ip_addr[4]; 81 u16 port; 82 u16 vlan; 83 u8 ip_version; 84 }; 85 86 int qed_iwarp_alloc(struct qed_hwfn *p_hwfn); 87 88 int qed_iwarp_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, 89 struct qed_rdma_start_in_params *params); 90 91 int qed_iwarp_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 92 93 void qed_iwarp_resc_free(struct qed_hwfn *p_hwfn); 94 95 void qed_iwarp_init_devinfo(struct qed_hwfn *p_hwfn); 96 97 void qed_iwarp_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 98 99 int qed_iwarp_create_qp(struct qed_hwfn *p_hwfn, 100 struct qed_rdma_qp *qp, 101 struct qed_rdma_create_qp_out_params *out_params); 102 103 int qed_iwarp_modify_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp, 104 enum qed_iwarp_qp_state new_state, bool internal); 105 106 int qed_iwarp_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp); 107 108 int qed_iwarp_fw_destroy(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp); 109 110 void qed_iwarp_query_qp(struct qed_rdma_qp *qp, 111 struct qed_rdma_query_qp_out_params *out_params); 112 113 int 114 qed_iwarp_create_listen(void *rdma_cxt, 115 struct qed_iwarp_listen_in *iparams, 116 struct qed_iwarp_listen_out *oparams); 117 118 int qed_iwarp_destroy_listen(void *rdma_cxt, void *handle); 119 120 #endif 121