/* * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved. * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef RXE_H #define RXE_H #ifdef pr_fmt #undef pr_fmt #endif #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include #include #include #include #include #include #include #include #include #include #include #include "rxe_net.h" #include "rxe_opcode.h" #include "rxe_hdr.h" #include "rxe_param.h" #include "rxe_verbs.h" #include "rxe_loc.h" /* * Version 1 and Version 2 are identical on 64 bit machines, but on 32 bit * machines Version 2 has a different struct layout. */ #define RXE_UVERBS_ABI_VERSION 2 #define IB_PHYS_STATE_LINK_UP (5) #define IB_PHYS_STATE_LINK_DOWN (3) #define RXE_ROCE_V2_SPORT (0xc000) static inline u32 rxe_crc32(struct rxe_dev *rxe, u32 crc, void *next, size_t len) { u32 retval; int err; SHASH_DESC_ON_STACK(shash, rxe->tfm); shash->tfm = rxe->tfm; shash->flags = 0; *(u32 *)shash_desc_ctx(shash) = crc; err = crypto_shash_update(shash, next, len); if (unlikely(err)) { pr_warn_ratelimited("failed crc calculation, err: %d\n", err); return crc32_le(crc, next, len); } retval = *(u32 *)shash_desc_ctx(shash); barrier_data(shash_desc_ctx(shash)); return retval; } int rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu); int rxe_add(struct rxe_dev *rxe, unsigned int mtu); void rxe_remove(struct rxe_dev *rxe); void rxe_remove_all(void); int rxe_rcv(struct sk_buff *skb); static inline void rxe_dev_put(struct rxe_dev *rxe) { kref_put(&rxe->ref_cnt, rxe_release); } struct rxe_dev *net_to_rxe(struct net_device *ndev); struct rxe_dev *get_rxe_by_name(const char *name); void rxe_port_up(struct rxe_dev *rxe); void rxe_port_down(struct rxe_dev *rxe); #endif /* RXE_H */