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author | archie <archie@FreeBSD.org> | 1999-11-10 06:17:51 +0000 |
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committer | archie <archie@FreeBSD.org> | 1999-11-10 06:17:51 +0000 |
commit | 926d27157159bc7e96a1179a94bbcd40e3f98463 (patch) | |
tree | 4b76942fb96a647851324590ddbcf9d22b074785 /sys/modules/netgraph | |
parent | 9c0f6dbefeced216aa30d000f583970c89371583 (diff) | |
download | FreeBSD-src-926d27157159bc7e96a1179a94bbcd40e3f98463.zip FreeBSD-src-926d27157159bc7e96a1179a94bbcd40e3f98463.tar.gz |
Update to reflect changes in the node type.
Diffstat (limited to 'sys/modules/netgraph')
-rw-r--r-- | sys/modules/netgraph/ppp/ng_ppp.4 | 53 | ||||
-rw-r--r-- | sys/modules/netgraph/ppp/ng_ppp.8 | 53 | ||||
-rw-r--r-- | sys/modules/netgraph/vjc/ng_vjc.4 | 8 | ||||
-rw-r--r-- | sys/modules/netgraph/vjc/ng_vjc.8 | 8 |
4 files changed, 102 insertions, 20 deletions
diff --git a/sys/modules/netgraph/ppp/ng_ppp.4 b/sys/modules/netgraph/ppp/ng_ppp.4 index 7c3e0b7..609584c 100644 --- a/sys/modules/netgraph/ppp/ng_ppp.4 +++ b/sys/modules/netgraph/ppp/ng_ppp.4 @@ -88,13 +88,18 @@ etc. Up to .Dv NG_PPP_MAX_LINKS links are supported. These device-independent hooks transmit and receive full PPP -frames, which include the PPP protocol field, but no address, control -or checksum fields. +frames, which include the PPP protocol, address, control, and +information fields, but no checksum or other link-specific fields. +.Pp On outgoing frames, when protocol compression has been enabled and the protocol number is suitable for compression, the protocol field will be compressed (i.e., sent as one byte instead of two). Either compressed or uncompressed protocol fields -are accepted on incoming frames. +are accepted on incoming frames. Similarly, if address and control +field compression has been enabled for the link, the address and +control fields will be omitted (except for LCP frames as required +by the standards). Incoming frames have the address and control fields +stripped automatically if present. .Pp Since all negotiation is handled outside the PPP node, the links should not be connected and enabled until the corresponding link @@ -113,7 +118,6 @@ hook as well. This mode is appropriate for the link authentication phase. As soon as the link is enabled, the PPP node will begin processing frames received on the link. .Sh COMPRESSION AND ENCRYPTION -.Pp Compression is supported via two hooks, .Dv compress and @@ -284,7 +288,39 @@ and enabling protocol field compression. Note that no link or functionality is active until the corresponding hook is also connected. This command takes a .Dv "struct ng_ppp_node_config" -as an argument. +as an argument: +.Bd -literal -offset 0 +/* Per-link config structure */ +struct ng_ppp_link_config { + u_char enableLink; /* enable this link */ + u_char enableProtoComp;/* enable protocol field compression */ + u_char enableACFComp; /* enable addr/ctrl field compression */ + u_int16_t mru; /* peer MRU */ + u_int32_t latency; /* link latency (in milliseconds) */ + u_int32_t bandwidth; /* link bandwidth (in bytes/second) */ +}; + +/* Node config structure */ +struct ng_ppp_node_config { + 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 enableAtalk; /* enable AppleTalk data flow */ + u_char enableIPX; /* enable IPX data flow */ + u_char enableCompression; /* enable PPP compression */ + u_char enableDecompression; /* enable PPP decompression */ + u_char enableEncryption; /* enable PPP encryption */ + 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]; +}; +.Ed +.Pp .It Dv NGM_PPP_GET_CONFIG Returns the current configuration as a .Dv "struct ng_ppp_node_config" . @@ -308,7 +344,12 @@ This node type also accepts the control messages accepted by the node type. When received, these messages are simply forwarded to the adjacent .Xr ng_vjc 8 -node, if any. +node, if any. This is particularly useful when the individual +PPP links are able to generate +.Dv NGM_VJC_RECV_ERROR +messages (see +.Xr ng_vjc 8 +for a description). .Sh SHUTDOWN This node shuts down upon receipt of a .Dv NGM_SHUTDOWN diff --git a/sys/modules/netgraph/ppp/ng_ppp.8 b/sys/modules/netgraph/ppp/ng_ppp.8 index 7c3e0b7..609584c 100644 --- a/sys/modules/netgraph/ppp/ng_ppp.8 +++ b/sys/modules/netgraph/ppp/ng_ppp.8 @@ -88,13 +88,18 @@ etc. Up to .Dv NG_PPP_MAX_LINKS links are supported. These device-independent hooks transmit and receive full PPP -frames, which include the PPP protocol field, but no address, control -or checksum fields. +frames, which include the PPP protocol, address, control, and +information fields, but no checksum or other link-specific fields. +.Pp On outgoing frames, when protocol compression has been enabled and the protocol number is suitable for compression, the protocol field will be compressed (i.e., sent as one byte instead of two). Either compressed or uncompressed protocol fields -are accepted on incoming frames. +are accepted on incoming frames. Similarly, if address and control +field compression has been enabled for the link, the address and +control fields will be omitted (except for LCP frames as required +by the standards). Incoming frames have the address and control fields +stripped automatically if present. .Pp Since all negotiation is handled outside the PPP node, the links should not be connected and enabled until the corresponding link @@ -113,7 +118,6 @@ hook as well. This mode is appropriate for the link authentication phase. As soon as the link is enabled, the PPP node will begin processing frames received on the link. .Sh COMPRESSION AND ENCRYPTION -.Pp Compression is supported via two hooks, .Dv compress and @@ -284,7 +288,39 @@ and enabling protocol field compression. Note that no link or functionality is active until the corresponding hook is also connected. This command takes a .Dv "struct ng_ppp_node_config" -as an argument. +as an argument: +.Bd -literal -offset 0 +/* Per-link config structure */ +struct ng_ppp_link_config { + u_char enableLink; /* enable this link */ + u_char enableProtoComp;/* enable protocol field compression */ + u_char enableACFComp; /* enable addr/ctrl field compression */ + u_int16_t mru; /* peer MRU */ + u_int32_t latency; /* link latency (in milliseconds) */ + u_int32_t bandwidth; /* link bandwidth (in bytes/second) */ +}; + +/* Node config structure */ +struct ng_ppp_node_config { + 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 enableAtalk; /* enable AppleTalk data flow */ + u_char enableIPX; /* enable IPX data flow */ + u_char enableCompression; /* enable PPP compression */ + u_char enableDecompression; /* enable PPP decompression */ + u_char enableEncryption; /* enable PPP encryption */ + 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]; +}; +.Ed +.Pp .It Dv NGM_PPP_GET_CONFIG Returns the current configuration as a .Dv "struct ng_ppp_node_config" . @@ -308,7 +344,12 @@ This node type also accepts the control messages accepted by the node type. When received, these messages are simply forwarded to the adjacent .Xr ng_vjc 8 -node, if any. +node, if any. This is particularly useful when the individual +PPP links are able to generate +.Dv NGM_VJC_RECV_ERROR +messages (see +.Xr ng_vjc 8 +for a description). .Sh SHUTDOWN This node shuts down upon receipt of a .Dv NGM_SHUTDOWN diff --git a/sys/modules/netgraph/vjc/ng_vjc.4 b/sys/modules/netgraph/vjc/ng_vjc.4 index 8a5c365..904e65d 100644 --- a/sys/modules/netgraph/vjc/ng_vjc.4 +++ b/sys/modules/netgraph/vjc/ng_vjc.4 @@ -114,7 +114,7 @@ argument. This structure contains the following fields: struct ngm_vjc_config { u_char enableComp; /* Enable compression */ u_char enableDecomp; /* Enable decompression */ - u_char numChannels; /* Number of outgoing channels */ + u_char maxChannel; /* Number of outgoing channels - 1 */ u_char compressCID; /* OK to compress outgoing CID's */ }; .Ed @@ -141,9 +141,9 @@ both compression and decompression are disabled and the node is therefore operating in bi-directional ``pass through'' mode. .Pp When enabling compression, -.Dv numChannels -should be set to the number of outgoing compression channels, and is a value -between 3 and 16, inclusive. Also, the +.Dv maxChannel +should be set to the number of outgoing compression channels minus one, +and is a value between 3 and 15, inclusive. Also, the .Dv compressCID field indicates whether it is OK to compress the CID field for outgoing compressed TCP packets. This value should be zero unless diff --git a/sys/modules/netgraph/vjc/ng_vjc.8 b/sys/modules/netgraph/vjc/ng_vjc.8 index 8a5c365..904e65d 100644 --- a/sys/modules/netgraph/vjc/ng_vjc.8 +++ b/sys/modules/netgraph/vjc/ng_vjc.8 @@ -114,7 +114,7 @@ argument. This structure contains the following fields: struct ngm_vjc_config { u_char enableComp; /* Enable compression */ u_char enableDecomp; /* Enable decompression */ - u_char numChannels; /* Number of outgoing channels */ + u_char maxChannel; /* Number of outgoing channels - 1 */ u_char compressCID; /* OK to compress outgoing CID's */ }; .Ed @@ -141,9 +141,9 @@ both compression and decompression are disabled and the node is therefore operating in bi-directional ``pass through'' mode. .Pp When enabling compression, -.Dv numChannels -should be set to the number of outgoing compression channels, and is a value -between 3 and 16, inclusive. Also, the +.Dv maxChannel +should be set to the number of outgoing compression channels minus one, +and is a value between 3 and 15, inclusive. Also, the .Dv compressCID field indicates whether it is OK to compress the CID field for outgoing compressed TCP packets. This value should be zero unless |