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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/infiniband/sw/rxe/rxe.h
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@@ -1,34 +1,7 @@
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+/* 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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- * This software is available to you under a choice of one of two
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- * licenses.  You may choose to be licensed under the terms of the GNU
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- * General Public License (GPL) Version 2, available from the file
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- * COPYING in the main directory of this source tree, or the
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- * OpenIB.org BSD license below:
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- *
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- *     Redistribution and use in source and binary forms, with or
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- *     without modification, are permitted provided that the following
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- *     conditions are met:
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- *
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- *	- Redistributions of source code must retain the above
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- *	  copyright notice, this list of conditions and the following
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- *	  disclaimer.
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- *
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- *	- Redistributions in binary form must reproduce the above
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- *	  copyright notice, this list of conditions and the following
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- *	  disclaimer in the documentation and/or other materials
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- *	  provided with the distribution.
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- *
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- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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- * SOFTWARE.
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  */
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 #ifndef RXE_H
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@@ -65,10 +38,9 @@
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  */
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 #define RXE_UVERBS_ABI_VERSION		2
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40
 
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-#define IB_PHYS_STATE_LINK_UP		(5)
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-#define IB_PHYS_STATE_LINK_DOWN		(3)
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-
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 #define RXE_ROCE_V2_SPORT		(0xc000)
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+
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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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@@ -79,7 +51,6 @@
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 	SHASH_DESC_ON_STACK(shash, rxe->tfm);
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 	shash->tfm = rxe->tfm;
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-	shash->flags = 0;
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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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@@ -94,20 +65,23 @@
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65
 
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 void rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu);
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67
 
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-int rxe_add(struct rxe_dev *rxe, unsigned int mtu);
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-void rxe_remove(struct rxe_dev *rxe);
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-void rxe_remove_all(void);
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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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-static inline void rxe_dev_put(struct rxe_dev *rxe)
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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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-	kref_put(&rxe->ref_cnt, rxe_release);
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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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+
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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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-struct rxe_dev *net_to_rxe(struct net_device *ndev);
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-struct rxe_dev *get_rxe_by_name(const char *name);
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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 */