^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #ifndef RXE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define RXE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #ifdef pr_fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #undef pr_fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/crc32.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <rdma/ib_verbs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <rdma/ib_user_verbs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <rdma/ib_pack.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <rdma/ib_smi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <rdma/ib_umem.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <rdma/ib_cache.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <rdma/ib_addr.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <crypto/hash.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include "rxe_net.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include "rxe_opcode.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include "rxe_hdr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include "rxe_param.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include "rxe_verbs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include "rxe_loc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * Version 1 and Version 2 are identical on 64 bit machines, but on 32 bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * machines Version 2 has a different struct layout.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define RXE_UVERBS_ABI_VERSION 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define RXE_ROCE_V2_SPORT (0xc000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) extern bool rxe_initialized;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static inline u32 rxe_crc32(struct rxe_dev *rxe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) u32 crc, void *next, size_t len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) u32 retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) SHASH_DESC_ON_STACK(shash, rxe->tfm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) shash->tfm = rxe->tfm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) *(u32 *)shash_desc_ctx(shash) = crc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) err = crypto_shash_update(shash, next, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (unlikely(err)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) pr_warn_ratelimited("failed crc calculation, err: %d\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) return crc32_le(crc, next, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) retval = *(u32 *)shash_desc_ctx(shash);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) barrier_data(shash_desc_ctx(shash));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) void rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) void rxe_rcv(struct sk_buff *skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /* The caller must do a matching ib_device_put(&dev->ib_dev) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static inline struct rxe_dev *rxe_get_dev_from_net(struct net_device *ndev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct ib_device *ibdev =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) ib_device_get_by_netdev(ndev, RDMA_DRIVER_RXE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) if (!ibdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return container_of(ibdev, struct rxe_dev, ib_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) void rxe_port_up(struct rxe_dev *rxe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) void rxe_port_down(struct rxe_dev *rxe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) void rxe_set_port_state(struct rxe_dev *rxe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #endif /* RXE_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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