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[DCCP]: Add Support for Data 1 .. 3 fields of Reset packets

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This adds fields to support the informational Data 1..3 fields of the
DCCP-Reset packets (RFC 4340, 5.6), and makes minor cosmetic changes
to documentation.
Code which fills in these fields follows in subsequent patches, it is
primarily used for reporting option-processing and feature-negotiation
errors.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
This commit is contained in:
Gerrit Renker 2007-09-26 11:27:56 -03:00 • committed by David S. Miller
parent 727ecc5faa
commit 0430ee3451
2 changed files with 19 additions and 9 deletions
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14
include/linux/dccp.h
View file

@ -56,10 +56,9 @@ struct dccp_hdr_ext {
};
/**
* struct dccp_hdr_request - Conection initiation request header
* struct dccp_hdr_request - Connection initiation request header
*
* @dccph_req_service - Service to which the client app wants to connect
* @dccph_req_options - list of options (must be a multiple of 32 bits
*/
struct dccp_hdr_request {
__be32 dccph_req_service;
@ -76,12 +75,10 @@ struct dccp_hdr_ack_bits {
__be32 dccph_ack_nr_low;
};
/**
* struct dccp_hdr_response - Conection initiation response header
* struct dccp_hdr_response - Connection initiation response header
*
* @dccph_resp_ack_nr_high - 48 bit ack number high order bits, contains GSR
* @dccph_resp_ack_nr_low - 48 bit ack number low order bits, contains GSR
* @dccph_resp_ack - 48 bit Acknowledgment Number Subheader (5.3)
* @dccph_resp_service - Echoes the Service Code on a received DCCP-Request
* @dccph_resp_options - list of options (must be a multiple of 32 bits
*/
struct dccp_hdr_response {
struct dccp_hdr_ack_bits dccph_resp_ack;
@ -91,8 +88,9 @@ struct dccp_hdr_response {
/**
* struct dccp_hdr_reset - Unconditionally shut down a connection
*
* @dccph_reset_service - Echoes the Service Code on a received DCCP-Request
* @dccph_reset_options - list of options (must be a multiple of 32 bits
* @dccph_reset_ack - 48 bit Acknowledgment Number Subheader (5.6)
* @dccph_reset_code - one of %dccp_reset_codes
* @dccph_reset_data - the Data 1 ... Data 3 fields from 5.6
*/
struct dccp_hdr_reset {
struct dccp_hdr_ack_bits dccph_reset_ack;