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87 lines
2.0 KiB
87 lines
2.0 KiB
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
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/* |
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* Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved. |
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* Copyright (c) 2015 System Fabric Works, Inc. All rights reserved. |
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*/ |
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#ifndef RXE_H |
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#define RXE_H |
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#ifdef pr_fmt |
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#undef pr_fmt |
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#endif |
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
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#include <linux/module.h> |
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#include <linux/skbuff.h> |
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#include <linux/crc32.h> |
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#include <rdma/ib_verbs.h> |
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#include <rdma/ib_user_verbs.h> |
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#include <rdma/ib_pack.h> |
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#include <rdma/ib_smi.h> |
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#include <rdma/ib_umem.h> |
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#include <rdma/ib_cache.h> |
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#include <rdma/ib_addr.h> |
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#include <crypto/hash.h> |
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#include "rxe_net.h" |
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#include "rxe_opcode.h" |
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#include "rxe_hdr.h" |
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#include "rxe_param.h" |
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#include "rxe_verbs.h" |
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#include "rxe_loc.h" |
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/* |
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* Version 1 and Version 2 are identical on 64 bit machines, but on 32 bit |
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* machines Version 2 has a different struct layout. |
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*/ |
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#define RXE_UVERBS_ABI_VERSION 2 |
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#define RXE_ROCE_V2_SPORT (0xc000) |
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extern bool rxe_initialized; |
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static inline u32 rxe_crc32(struct rxe_dev *rxe, |
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u32 crc, void *next, size_t len) |
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{ |
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u32 retval; |
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int err; |
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SHASH_DESC_ON_STACK(shash, rxe->tfm); |
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shash->tfm = rxe->tfm; |
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*(u32 *)shash_desc_ctx(shash) = crc; |
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err = crypto_shash_update(shash, next, len); |
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if (unlikely(err)) { |
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pr_warn_ratelimited("failed crc calculation, err: %d\n", err); |
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return crc32_le(crc, next, len); |
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} |
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retval = *(u32 *)shash_desc_ctx(shash); |
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barrier_data(shash_desc_ctx(shash)); |
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return retval; |
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} |
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void rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu); |
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int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name); |
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void rxe_rcv(struct sk_buff *skb); |
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/* The caller must do a matching ib_device_put(&dev->ib_dev) */ |
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static inline struct rxe_dev *rxe_get_dev_from_net(struct net_device *ndev) |
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{ |
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struct ib_device *ibdev = |
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ib_device_get_by_netdev(ndev, RDMA_DRIVER_RXE); |
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if (!ibdev) |
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return NULL; |
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return container_of(ibdev, struct rxe_dev, ib_dev); |
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} |
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void rxe_port_up(struct rxe_dev *rxe); |
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void rxe_port_down(struct rxe_dev *rxe); |
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void rxe_set_port_state(struct rxe_dev *rxe); |
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#endif /* RXE_H */
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