linux/drivers/net/ethernet/chelsio/libcxgb/libcxgb_cm.c

/*
 * Copyright (c) 2016 Chelsio Communications, 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.
 */

#include <linux/tcp.h>
#include <linux/ipv6.h>
#include <net/inet_ecn.h>
#include <net/route.h>
#include <net/ip6_route.h>

#include "libcxgb_cm.h"

void
cxgb_get_4tuple(struct cpl_pass_accept_req *req, enum chip_type type,
		int *iptype, __u8 *local_ip, __u8 *peer_ip,
		__be16 *local_port, __be16 *peer_port)
{ … }
EXPORT_SYMBOL(…);

static bool
cxgb_our_interface(struct cxgb4_lld_info *lldi,
		   struct net_device *(*get_real_dev)(struct net_device *),
		   struct net_device *egress_dev)
{ … }

struct dst_entry *
cxgb_find_route(struct cxgb4_lld_info *lldi,
		struct net_device *(*get_real_dev)(struct net_device *),
		__be32 local_ip, __be32 peer_ip, __be16 local_port,
		__be16 peer_port, u8 tos)
{ … }
EXPORT_SYMBOL(…);

struct dst_entry *
cxgb_find_route6(struct cxgb4_lld_info *lldi,
		 struct net_device *(*get_real_dev)(struct net_device *),
		 __u8 *local_ip, __u8 *peer_ip, __be16 local_port,
		 __be16 peer_port, u8 tos, __u32 sin6_scope_id)
{ … }
EXPORT_SYMBOL(…);