xnu-7195.50.7.100.1.tar.gz

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

diff --git a/bsd/netinet/tcp_lro.h b/bsd/netinet/tcp_lro.h
deleted file mode 100644 (file)
index 50ef3d8..0000000
--- a/bsd/netinet/tcp_lro.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * 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 TCP_LRO_H_
-#define TCP_LRO_H_
-
-#ifdef BSD_KERNEL_PRIVATE
-
-#define TCP_LRO_NUM_FLOWS (16)  /* must be <= 255 for char lro_flow_map */
-#define TCP_LRO_FLOW_MAP  (1024)
-
-struct lro_flow {
-       struct mbuf             *lr_mhead;      /* coalesced mbuf chain head */
-       struct mbuf             *lr_mtail;      /* coalesced mbuf chain tail */
-       struct tcphdr           *lr_tcphdr;     /* ptr to TCP hdr in frame */
-       u_int32_t               *lr_tsval;      /* address of tsval in frame */
-       u_int32_t               *lr_tsecr;      /* tsecr field in TCP header */
-       tcp_seq                 lr_seq;         /* next expected seq num */
-       unsigned int            lr_len;         /* length of LRO frame */
-       struct in_addr          lr_faddr;       /* foreign address */
-       struct in_addr          lr_laddr;       /* local address */
-       unsigned short int      lr_fport;       /* foreign port */
-       unsigned short int      lr_lport;       /* local port */
-       u_int32_t               lr_timestamp;   /* for ejecting the flow */
-       unsigned short int      lr_hash_map;    /* back pointer to hash map */
-       unsigned short int      lr_flags;       /* pad */
-} __attribute__((aligned(8)));
-
-/* lr_flags - only 16 bits available */
-#define LRO_EJECT_REQ   0x1
-
-
-#define TCP_LRO_FLOW_UNINIT TCP_LRO_NUM_FLOWS+1
-#define TCP_LRO_FLOW_NOTFOUND TCP_LRO_FLOW_UNINIT
-
-/* Max packets to be coalesced before pushing to app */
-#define LRO_MX_COALESCE_PKTS (8)
-
-/*
- * Min num of bytes in a packet to trigger coalescing
- */
-#define LRO_MIN_COALESC_SZ  (1300)
-
-/*
- * Max amount of time to wait before flushing flows in msecs.
- * Units are in msecs.
- * This number has been carefully chosen and should be altered with care.
- */
-#define LRO_MX_TIME_TO_BUFFER 10
-
-/* similar to INP_PCBHASH */
-#define LRO_HASH(faddr, laddr, fport, lport, mask) \
-       (((faddr) ^ ((laddr) >> 16) ^ ntohs((lport) ^ (fport))) & (mask))
-#endif
-
-#endif /* TCP_LRO_H_ */