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Fix broken multi-link fragment reassembly algorithm.

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Add hook for IPv6. Misc cleanups.

PR:		kern/16335
This commit is contained in:
Archie Cobbs 2000-05-02 00:09:18 +00:00
parent dce9390ed0
commit a9b3dca54d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=59882
2 changed files with 713 additions and 258 deletions
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892
sys/netgraph/ng_ppp.c
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File diff suppressed because it is too large Load Diff

79
sys/netgraph/ng_ppp.h
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@ -2,7 +2,7 @@
/*
* ng_ppp.h
*
* Copyright (c) 1996-1999 Whistle Communications, Inc.
* Copyright (c) 1996-2000 Whistle Communications, Inc.
* All rights reserved.
*
* Subject to the following obligations and disclaimer of warranty, use and
@ -45,7 +45,7 @@
/* Node type name and magic cookie */
#define NG_PPP_NODE_TYPE "ppp"
#define NGM_PPP_COOKIE 940897793
#define NGM_PPP_COOKIE 940897794
/* Maximum number of supported links */
#define NG_PPP_MAX_LINKS 16
@ -70,20 +70,21 @@
#define NG_PPP_HOOK_INET "inet" /* IP packet data */
#define NG_PPP_HOOK_ATALK "atalk" /* AppleTalk packet data */
#define NG_PPP_HOOK_IPX "ipx" /* IPX packet data */
#define NG_PPP_HOOK_IPV6 "ipv6" /* IPv6 packet data */
#define NG_PPP_HOOK_LINK_PREFIX "link" /* append decimal link number */
/* Netgraph commands */
enum {
NGM_PPP_SET_CONFIG = 1, /* takes struct ng_ppp_bundle_config */
NGM_PPP_GET_CONFIG, /* returns ng_ppp_bundle_config */
NGM_PPP_SET_CONFIG = 1, /* takes struct ng_ppp_node_conf */
NGM_PPP_GET_CONFIG, /* returns ng_ppp_node_conf */
NGM_PPP_GET_LINK_STATS, /* takes link #, returns stats struct */
NGM_PPP_CLR_LINK_STATS, /* takes link #, clears link stats */
NGM_PPP_GETCLR_LINK_STATS, /* takes link #, returns & clrs stats */
};
/* Per-link config structure */
struct ng_ppp_link_config {
struct ng_ppp_link_conf {
u_char enableLink; /* enable this link */
u_char enableProtoComp;/* enable protocol field compression */
u_char enableACFComp; /* enable addr/ctrl field compression */
@ -95,9 +96,9 @@ struct ng_ppp_link_config {
/* Keep this in sync with the above structure definition */
#define NG_PPP_LINK_TYPE_INFO { \
{ \
{ "enable", &ng_parse_int8_type }, \
{ "protocomp", &ng_parse_int8_type }, \
{ "acfcomp", &ng_parse_int8_type }, \
{ "enableLink", &ng_parse_int8_type }, \
{ "enableProtoComp", &ng_parse_int8_type }, \
{ "enableACFComp", &ng_parse_int8_type }, \
{ "mru", &ng_parse_int16_type }, \
{ "latency", &ng_parse_int32_type }, \
{ "bandwidth", &ng_parse_int32_type }, \
@ -105,14 +106,15 @@ struct ng_ppp_link_config {
} \
}
/* Node config structure */
struct ng_ppp_node_config {
/* Bundle config structure */
struct ng_ppp_bund_conf {
u_int16_t mrru; /* multilink peer MRRU */
u_char enableMultilink; /* enable multilink */
u_char recvShortSeq; /* recv multilink short seq # */
u_char xmitShortSeq; /* xmit multilink short seq # */
u_char enableRoundRobin; /* xmit whole packets */
u_char enableIP; /* enable IP data flow */
u_char enableIPv6; /* enable IPv6 data flow */
u_char enableAtalk; /* enable AppleTalk data flow */
u_char enableIPX; /* enable IPX data flow */
u_char enableCompression; /* enable PPP compression */
@ -121,29 +123,42 @@ struct ng_ppp_node_config {
u_char enableDecryption; /* enable PPP decryption */
u_char enableVJCompression; /* enable VJ compression */
u_char enableVJDecompression; /* enable VJ decompression */
struct ng_ppp_link_config /* per link config params */
links[NG_PPP_MAX_LINKS];
};
/* Keep this in sync with the above structure definition */
#define NG_PPP_CONFIG_TYPE_INFO(arytype) { \
#define NG_PPP_BUND_TYPE_INFO { \
{ \
{ "mrru", &ng_parse_int16_type }, \
{ "enableMultilink", &ng_parse_int8_type }, \
{ "recvShortSeq", &ng_parse_int8_type }, \
{ "xmitShortSeq", &ng_parse_int8_type }, \
{ "enableRoundRobin", &ng_parse_int8_type }, \
{ "enableIP", &ng_parse_int8_type }, \
{ "enableIPv6", &ng_parse_int8_type }, \
{ "enableAtalk", &ng_parse_int8_type }, \
{ "enableIPX", &ng_parse_int8_type }, \
{ "enableCompression", &ng_parse_int8_type }, \
{ "enableDecompression", &ng_parse_int8_type }, \
{ "enableEncryption", &ng_parse_int8_type }, \
{ "enableDecryption", &ng_parse_int8_type }, \
{ "enableVJCompression", &ng_parse_int8_type }, \
{ "enableVJDecompression", &ng_parse_int8_type }, \
{ NULL } \
} \
}
/* Total node config structure */
struct ng_ppp_node_conf {
struct ng_ppp_bund_conf bund;
struct ng_ppp_link_conf links[NG_PPP_MAX_LINKS];
};
/* Keep this in sync with the above structure definition */
#define NG_PPP_CONFIG_TYPE_INFO(bctype, arytype) { \
{ \
{ "mrru", &ng_parse_int16_type }, \
{ "multilink", &ng_parse_int8_type }, \
{ "recvShortSeq", &ng_parse_int8_type }, \
{ "xmitShortSeq", &ng_parse_int8_type }, \
{ "roundRobin", &ng_parse_int8_type }, \
{ "ip", &ng_parse_int8_type }, \
{ "appletalk", &ng_parse_int8_type }, \
{ "ipx", &ng_parse_int8_type }, \
{ "comp", &ng_parse_int8_type }, \
{ "decomp", &ng_parse_int8_type }, \
{ "encryption", &ng_parse_int8_type }, \
{ "decryption", &ng_parse_int8_type }, \
{ "vjcomp", &ng_parse_int8_type }, \
{ "vjdecomp", &ng_parse_int8_type }, \
{ "links", (arytype) }, \
{ NULL }, \
{ "bund", (bctype) }, \
{ "links", (arytype) }, \
{ NULL } \
} \
}
@ -154,7 +169,9 @@ struct ng_ppp_link_stat {
u_int32_t recvFrames; /* recv frames on link */
u_int32_t recvOctets; /* recv octets on link */
u_int32_t badProtos; /* frames rec'd with bogus protocol */
u_int32_t runts; /* Too short MP fragments */
u_int32_t dupFragments; /* MP frames with duplicate seq # */
u_int32_t dropFragments; /* MP fragments we had to drop */
};
/* Keep this in sync with the above structure definition */
@ -165,8 +182,10 @@ struct ng_ppp_link_stat {
{ "recvFrames", &ng_parse_int32_type }, \
{ "recvOctets", &ng_parse_int32_type }, \
{ "badProtos", &ng_parse_int32_type }, \
{ "runts", &ng_parse_int32_type }, \
{ "dupFragments", &ng_parse_int32_type }, \
{ NULL }, \
{ "dropFragments", &ng_parse_int32_type }, \
{ NULL } \
} \
}