xnu-7195.50.7.100.1.tar.gz

[apple/xnu.git] / bsd / netinet / lro_ext.h

diff --git a/bsd/netinet/lro_ext.h b/bsd/netinet/lro_ext.h
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-/*
- * Copyright (c) 2011 Apple Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-
-#ifndef LRO_EXT_H_
-#define LRO_EXT_H_
-
-#ifdef BSD_KERNEL_PRIVATE
-
-/* All definitions exported from LRO go into this file */
-
-extern int sw_lro;
-extern int lrodebug;
-extern unsigned int coalesc_sz;
-
-/* flow return values */
-#define TCP_LRO_NAN             0x00    /* No flow exists */
-#define TCP_LRO_CONSUMED        0x01    /* LRO consumed the packet */
-#define TCP_LRO_EJECT_FLOW      0x02    /* LRO ejected the flow */
-#define TCP_LRO_COALESCE        0x03    /* LRO to coalesce the packet */
-#define TCP_LRO_COLLISION       0x04    /* Two flows map to the same slot */
-
-void tcp_lro_init(void);
-
-/* When doing LRO in IP call this function */
-struct mbuf* tcp_lro(struct mbuf *m, unsigned int hlen);
-
-/* TCP calls this to start coalescing a flow */
-int tcp_start_coalescing(struct ip *, struct tcphdr *, int tlen);
-
-/* TCP calls this to stop coalescing a flow */
-int tcp_lro_remove_state(struct in_addr, struct in_addr, unsigned short,
-    unsigned short);
-
-/* TCP calls this to keep the seq number updated */
-void tcp_update_lro_seq(__uint32_t, struct in_addr, struct in_addr,
-    unsigned short, unsigned short);
-
-#endif
-
-#endif /* LRO_EXT_H_ */