/* SCTP kernel implementation * Copyright (c) 1999-2000 Cisco, Inc. * Copyright (c) 1999-2001 Motorola, Inc. * * This file is part of the SCTP kernel implementation * * These functions implement the SCTP primitive functions from Section 10. * * Note that the descriptions from the specification are USER level * functions--this file is the functions which populate the struct proto * for SCTP which is the BOTTOM of the sockets interface. * * This SCTP implementation is free software; * you can redistribute it and/or modify it under the terms of * the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This SCTP implementation is distributed in the hope that it * will be useful, but WITHOUT ANY WARRANTY; without even the implied * ************************ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU CC; see the file COPYING. If not, see * . * * Please send any bug reports or fixes you make to the * email address(es): * lksctp developers * * Written or modified by: * La Monte H.P. Yarroll * Narasimha Budihal * Karl Knutson * Ardelle Fan * Kevin Gao */ #include #include /* For struct list_head */ #include #include #include /* For struct timeval */ #include #include #include #include #define DECLARE_PRIMITIVE(name) \ /* This is called in the code as sctp_primitive_ ## name. */ \ int sctp_primitive_ ## name(struct net *net, struct sctp_association *asoc, \ void *arg) { \ int error = 0; \ sctp_event_t event_type; sctp_subtype_t subtype; \ sctp_state_t state; \ struct sctp_endpoint *ep; \ \ event_type = SCTP_EVENT_T_PRIMITIVE; \ subtype = SCTP_ST_PRIMITIVE(SCTP_PRIMITIVE_ ## name); \ state = asoc ? asoc->state : SCTP_STATE_CLOSED; \ ep = asoc ? asoc->ep : NULL; \ \ error = sctp_do_sm(net, event_type, subtype, state, ep, asoc, \ arg, GFP_KERNEL); \ return error; \ } /* 10.1 ULP-to-SCTP * B) Associate * * Format: ASSOCIATE(local SCTP instance name, destination transport addr, * outbound stream count) * -> association id [,destination transport addr list] [,outbound stream * count] * * This primitive allows the upper layer to initiate an association to a * specific peer endpoint. * * This version assumes that asoc is fully populated with the initial * parameters. We then return a traditional kernel indicator of * success or failure. */ /* This is called in the code as sctp_primitive_ASSOCIATE. */ DECLARE_PRIMITIVE(ASSOCIATE) /* 10.1 ULP-to-SCTP * C) Shutdown * * Format: SHUTDOWN(association id) * -> result * * Gracefully closes an association. Any locally queued user data * will be delivered to the peer. The association will be terminated only * after the peer acknowledges all the SCTP packets sent. A success code * will be returned on successful termination of the association. If * attempting to terminate the association results in a failure, an error * code shall be returned. */ DECLARE_PRIMITIVE(SHUTDOWN); /* 10.1 ULP-to-SCTP * C) Abort * * Format: Abort(association id [, cause code]) * -> result * * Ungracefully closes an association. Any locally queued user data * will be discarded and an ABORT chunk is sent to the peer. A success * code will be returned on successful abortion of the association. If * attempting to abort the association results in a failure, an error * code shall be returned. */ DECLARE_PRIMITIVE(ABORT); /* 10.1 ULP-to-SCTP * E) Send * * Format: SEND(association id, buffer address, byte count [,context] * [,stream id] [,life time] [,destination transport address] * [,unorder flag] [,no-bundle flag] [,payload protocol-id] ) * -> result * * This is the main method to send user data via SCTP. * * Mandatory attributes: * * o association id - local handle to the SCTP association * * o buffer address - the location where the user message to be * transmitted is stored; * * o byte count - The size of the user data in number of bytes; * * Optional attributes: * * o context - an optional 32 bit integer that will be carried in the * sending failure notification to the ULP if the transportation of * this User Message fails. * * o stream id - to indicate which stream to send the data on. If not * specified, stream 0 will be used. * * o life time - specifies the life time of the user data. The user data * will not be sent by SCTP after the life time expires. This * parameter can be used to avoid efforts to transmit stale * user messages. SCTP notifies the ULP if the data cannot be * initiated to transport (i.e. sent to the destination via SCTP's * send primitive) within the life time variable. However, the * user data will be transmitted if SCTP has attempted to transmit a * chunk before the life time expired. * * o destination transport address - specified as one of the destination * transport addresses of the peer endpoint to which this packet * should be sent. Whenever possible, SCTP should use this destination * transport address for sending the packets, instead of the current * primary path. * * o unorder flag - this flag, if present, indicates that the user * would like the data delivered in an unordered fashion to the peer * (i.e., the U flag is set to 1 on all DATA chunks carrying this * message). * * o no-bundle flag - instructs SCTP not to bundle this user data with * other outbound DATA chunks. SCTP MAY still bundle even when * this flag is present, when faced with network congestion. * * o payload protocol-id - A 32 bit unsigned integer that is to be * passed to the peer indicating the type of payload protocol data * being transmitted. This value is passed as opaque data by SCTP. */ DECLARE_PRIMITIVE(SEND); /* 10.1 ULP-to-SCTP * J) Request Heartbeat * * Format: REQUESTHEARTBEAT(association id, destination transport address) * * -> result * * Instructs the local endpoint to perform a HeartBeat on the specified * destination transport address of the given association. The returned * result should indicate whether the transmission of the HEARTBEAT * chunk to the destination address is successful. * * Mandatory attributes: * * o association id - local handle to the SCTP association * * o destination transport address - the transport address of the * association on which a heartbeat should be issued. */ DECLARE_PRIMITIVE(REQUESTHEARTBEAT); /* ADDIP * 3.1.1 Address Configuration Change Chunk (ASCONF) * * This chunk is used to communicate to the remote endpoint one of the * configuration change requests that MUST be acknowledged. The * information carried in the ASCONF Chunk uses the form of a * Type-Length-Value (TLV), as described in "3.2.1 Optional/ * Variable-length Parameter Format" in RFC2960 [5], forall variable * parameters. */ DECLARE_PRIMITIVE(ASCONF); /* RE-CONFIG 5.1 */ DECLARE_PRIMITIVE(RECONF); d pass the latest libnvdimm unit tests. There have not been any -next releases since -rc1, so they have not appeared there" * 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: ext4: Simplify DAX fault path dax: Call ->iomap_begin without entry lock during dax fault dax: Finish fault completely when loading holes dax: Avoid page invalidation races and unnecessary radix tree traversals mm: Invalidate DAX radix tree entries only if appropriate ext2: Return BH_New buffers for zeroed blocks
Diffstat (limited to 'include/dt-bindings/reset')