projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 316670eb | 2 | * Copyright (c) 2011 Apple Inc. All rights reserved. |
| 1c79356b | 3 | * |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 2d21ac55 A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 8f6c56a5 | 14 | * |
| 2d21ac55 A |
15 | * Please obtain a copy of the License at |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 23 | * Please see the License for the specific language governing rights and | |
| 316670eb | 24 | * limitations under the License |
| 8f6c56a5 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b | 27 | */ |
| 1c79356b | 28 | |
| 316670eb A |
29 | #ifndef LRO_EXT_H_ |
| 30 | #define LRO_EXT_H_ | |
| 1c79356b | 31 | |
| 316670eb | 32 | #ifdef BSD_KERNEL_PRIVATE |
| 1c79356b | 33 | |
| 316670eb | 34 | /* All definitions exported from LRO go into this file */ |
| 1c79356b | 35 | |
| 316670eb A |
36 | extern int sw_lro; |
| 37 | extern int lrodebug; | |
| 39236c6e | 38 | extern unsigned int coalesc_sz; |
| 1c79356b | 39 | |
| 316670eb A |
40 | /* flow return values */ |
| 41 | #define TCP_LRO_NAN 0x00 /* No flow exists */ | |
| 42 | #define TCP_LRO_CONSUMED 0x01 /* LRO consumed the packet */ | |
| 43 | #define TCP_LRO_EJECT_FLOW 0x02 /* LRO ejected the flow */ | |
| 44 | #define TCP_LRO_COALESCE 0x03 /* LRO to coalesce the packet */ | |
| 45 | #define TCP_LRO_COLLISION 0x04 /* Two flows map to the same slot */ | |
| 1c79356b | 46 | |
| 316670eb | 47 | void tcp_lro_init(void); |
| 1c79356b | 48 | |
| 316670eb A |
49 | /* When doing LRO in IP call this function */ |
| 50 | struct mbuf* tcp_lro(struct mbuf *m, unsigned int hlen); | |
| 1c79356b | 51 | |
| 316670eb A |
52 | /* TCP calls this to start coalescing a flow */ |
| 53 | int tcp_start_coalescing(struct ip *, struct tcphdr *, int tlen); | |
| 1c79356b | 54 | |
| 316670eb A |
55 | /* TCP calls this to stop coalescing a flow */ |
| 56 | int tcp_lro_remove_state(struct in_addr, struct in_addr, unsigned short, | |
| 57 | unsigned short); | |
| 1c79356b | 58 | |
| 316670eb A |
59 | /* TCP calls this to keep the seq number updated */ |
| 60 | void tcp_update_lro_seq(__uint32_t, struct in_addr, struct in_addr, | |
| 61 | unsigned short, unsigned short); | |
| 1c79356b | 62 | |
| 316670eb | 63 | #endif |
| 1c79356b | 64 | |
| 316670eb | 65 | #endif /* LRO_EXT_H_ */ |