1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* 3 * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved. 4 * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved. 5 */ 6 7 #ifndef RXE_H 8 #define RXE_H 9 10 #ifdef pr_fmt 11 #undef pr_fmt 12 #endif 13 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 14 15 #include <linux/skbuff.h> 16 17 #include <rdma/ib_verbs.h> 18 #include <rdma/ib_user_verbs.h> 19 #include <rdma/ib_pack.h> 20 #include <rdma/ib_smi.h> 21 #include <rdma/ib_umem.h> 22 #include <rdma/ib_cache.h> 23 #include <rdma/ib_addr.h> 24 #include <crypto/hash.h> 25 26 #include "rxe_net.h" 27 #include "rxe_opcode.h" 28 #include "rxe_hdr.h" 29 #include "rxe_param.h" 30 #include "rxe_verbs.h" 31 #include "rxe_loc.h" 32 33 /* 34 * Version 1 and Version 2 are identical on 64 bit machines, but on 32 bit 35 * machines Version 2 has a different struct layout. 36 */ 37 #define RXE_UVERBS_ABI_VERSION 2 38 39 #define RXE_ROCE_V2_SPORT (0xc000) 40 41 #define rxe_dbg(rxe, fmt, ...) ibdev_dbg(&(rxe)->ib_dev, \ 42 "%s: " fmt, __func__, ##__VA_ARGS__) 43 #define rxe_dbg_uc(uc, fmt, ...) ibdev_dbg((uc)->ibuc.device, \ 44 "uc#%d %s: " fmt, (uc)->elem.index, __func__, ##__VA_ARGS__) 45 #define rxe_dbg_pd(pd, fmt, ...) ibdev_dbg((pd)->ibpd.device, \ 46 "pd#%d %s: " fmt, (pd)->elem.index, __func__, ##__VA_ARGS__) 47 #define rxe_dbg_ah(ah, fmt, ...) ibdev_dbg((ah)->ibah.device, \ 48 "ah#%d %s: " fmt, (ah)->elem.index, __func__, ##__VA_ARGS__) 49 #define rxe_dbg_srq(srq, fmt, ...) ibdev_dbg((srq)->ibsrq.device, \ 50 "srq#%d %s: " fmt, (srq)->elem.index, __func__, ##__VA_ARGS__) 51 #define rxe_dbg_qp(qp, fmt, ...) ibdev_dbg((qp)->ibqp.device, \ 52 "qp#%d %s: " fmt, (qp)->elem.index, __func__, ##__VA_ARGS__) 53 #define rxe_dbg_cq(cq, fmt, ...) ibdev_dbg((cq)->ibcq.device, \ 54 "cq#%d %s: " fmt, (cq)->elem.index, __func__, ##__VA_ARGS__) 55 #define rxe_dbg_mr(mr, fmt, ...) ibdev_dbg((mr)->ibmr.device, \ 56 "mr#%d %s: " fmt, (mr)->elem.index, __func__, ##__VA_ARGS__) 57 #define rxe_dbg_mw(mw, fmt, ...) ibdev_dbg((mw)->ibmw.device, \ 58 "mw#%d %s: " fmt, (mw)->elem.index, __func__, ##__VA_ARGS__) 59 60 /* responder states */ 61 enum resp_states { 62 RESPST_NONE, 63 RESPST_GET_REQ, 64 RESPST_CHK_PSN, 65 RESPST_CHK_OP_SEQ, 66 RESPST_CHK_OP_VALID, 67 RESPST_CHK_RESOURCE, 68 RESPST_CHK_LENGTH, 69 RESPST_CHK_RKEY, 70 RESPST_EXECUTE, 71 RESPST_READ_REPLY, 72 RESPST_ATOMIC_REPLY, 73 RESPST_ATOMIC_WRITE_REPLY, 74 RESPST_PROCESS_FLUSH, 75 RESPST_COMPLETE, 76 RESPST_ACKNOWLEDGE, 77 RESPST_CLEANUP, 78 RESPST_DUPLICATE_REQUEST, 79 RESPST_ERR_MALFORMED_WQE, 80 RESPST_ERR_UNSUPPORTED_OPCODE, 81 RESPST_ERR_MISALIGNED_ATOMIC, 82 RESPST_ERR_PSN_OUT_OF_SEQ, 83 RESPST_ERR_MISSING_OPCODE_FIRST, 84 RESPST_ERR_MISSING_OPCODE_LAST_C, 85 RESPST_ERR_MISSING_OPCODE_LAST_D1E, 86 RESPST_ERR_TOO_MANY_RDMA_ATM_REQ, 87 RESPST_ERR_RNR, 88 RESPST_ERR_RKEY_VIOLATION, 89 RESPST_ERR_INVALIDATE_RKEY, 90 RESPST_ERR_LENGTH, 91 RESPST_ERR_CQ_OVERFLOW, 92 RESPST_ERROR, 93 RESPST_RESET, 94 RESPST_DONE, 95 RESPST_EXIT, 96 }; 97 98 void rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu); 99 100 int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name); 101 102 void rxe_rcv(struct sk_buff *skb); 103 104 /* The caller must do a matching ib_device_put(&dev->ib_dev) */ 105 static inline struct rxe_dev *rxe_get_dev_from_net(struct net_device *ndev) 106 { 107 struct ib_device *ibdev = 108 ib_device_get_by_netdev(ndev, RDMA_DRIVER_RXE); 109 110 if (!ibdev) 111 return NULL; 112 return container_of(ibdev, struct rxe_dev, ib_dev); 113 } 114 115 void rxe_port_up(struct rxe_dev *rxe); 116 void rxe_port_down(struct rxe_dev *rxe); 117 void rxe_set_port_state(struct rxe_dev *rxe); 118 119 #endif /* RXE_H */ 120