cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ulpqueue.h (2283B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/* SCTP kernel implementation
      3 * (C) Copyright IBM Corp. 2001, 2004
      4 * Copyright (c) 1999-2000 Cisco, Inc.
      5 * Copyright (c) 1999-2001 Motorola, Inc.
      6 * Copyright (c) 2001 Intel Corp.
      7 * Copyright (c) 2001 Nokia, Inc.
      8 * Copyright (c) 2001 La Monte H.P. Yarroll
      9 *
     10 * These are the definitions needed for the sctp_ulpq type.  The
     11 * sctp_ulpq is the interface between the Upper Layer Protocol, or ULP,
     12 * and the core SCTP state machine.  This is the component which handles
     13 * reassembly and ordering.
     14 *
     15 * Please send any bug reports or fixes you make to the
     16 * email addresses:
     17 *    lksctp developers <linux-sctp@vger.kernel.org>
     18 *
     19 * Written or modified by:
     20 *   Jon Grimm             <jgrimm@us.ibm.com>
     21 *   La Monte H.P. Yarroll <piggy@acm.org>
     22 *   Sridhar Samudrala     <sri@us.ibm.com>
     23 */
     24
     25#ifndef __sctp_ulpqueue_h__
     26#define __sctp_ulpqueue_h__
     27
     28/* A structure to carry information to the ULP (e.g. Sockets API) */
     29struct sctp_ulpq {
     30	char pd_mode;
     31	struct sctp_association *asoc;
     32	struct sk_buff_head reasm;
     33	struct sk_buff_head reasm_uo;
     34	struct sk_buff_head lobby;
     35};
     36
     37/* Prototypes. */
     38struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *,
     39				 struct sctp_association *);
     40void sctp_ulpq_flush(struct sctp_ulpq *ulpq);
     41void sctp_ulpq_free(struct sctp_ulpq *);
     42
     43/* Add a new DATA chunk for processing. */
     44int sctp_ulpq_tail_data(struct sctp_ulpq *, struct sctp_chunk *, gfp_t);
     45
     46/* Add a new event for propagation to the ULP. */
     47int sctp_ulpq_tail_event(struct sctp_ulpq *, struct sk_buff_head *skb_list);
     48
     49/* Renege previously received chunks.  */
     50void sctp_ulpq_renege(struct sctp_ulpq *, struct sctp_chunk *, gfp_t);
     51
     52/* Perform partial delivery. */
     53void sctp_ulpq_partial_delivery(struct sctp_ulpq *, gfp_t);
     54
     55/* Abort the partial delivery. */
     56void sctp_ulpq_abort_pd(struct sctp_ulpq *, gfp_t);
     57
     58/* Clear the partial data delivery condition on this socket. */
     59int sctp_clear_pd(struct sock *sk, struct sctp_association *asoc);
     60
     61/* Skip over an SSN. */
     62void sctp_ulpq_skip(struct sctp_ulpq *ulpq, __u16 sid, __u16 ssn);
     63
     64void sctp_ulpq_reasm_flushtsn(struct sctp_ulpq *, __u32);
     65
     66__u16 sctp_ulpq_renege_list(struct sctp_ulpq *ulpq,
     67			    struct sk_buff_head *list, __u16 needed);
     68
     69#endif /* __sctp_ulpqueue_h__ */