linux/net/dccp/ccid.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  net/dccp/ccid.c
 *
 *  An implementation of the DCCP protocol
 *  Arnaldo Carvalho de Melo <[email protected]>
 *
 *  CCID infrastructure
 */

#include <linux/slab.h>

#include "ccid.h"
#include "ccids/lib/tfrc.h"

static struct ccid_operations *ccids[] = …;

static struct ccid_operations *ccid_by_number(const u8 id)
{ … }

/* check that up to @array_len members in @ccid_array are supported */
bool ccid_support_check(u8 const *ccid_array, u8 array_len)
{ … }

/**
 * ccid_get_builtin_ccids  -  Populate a list of built-in CCIDs
 * @ccid_array: pointer to copy into
 * @array_len: value to return length into
 *
 * This function allocates memory - caller must see that it is freed after use.
 */
int ccid_get_builtin_ccids(u8 **ccid_array, u8 *array_len)
{ … }

int ccid_getsockopt_builtin_ccids(struct sock *sk, int len,
				  char __user *optval, int __user *optlen)
{ … }

static __printf(3, 4) struct kmem_cache *ccid_kmem_cache_create(int obj_size, char *slab_name_fmt, const char *fmt,...)
{ … }

static void ccid_kmem_cache_destroy(struct kmem_cache *slab)
{ … }

static int __init ccid_activate(struct ccid_operations *ccid_ops)
{ … }

static void ccid_deactivate(struct ccid_operations *ccid_ops)
{ … }

struct ccid *ccid_new(const u8 id, struct sock *sk, bool rx)
{ … }

void ccid_hc_rx_delete(struct ccid *ccid, struct sock *sk)
{ … }

void ccid_hc_tx_delete(struct ccid *ccid, struct sock *sk)
{ … }

int __init ccid_initialize_builtins(void)
{ … }

void ccid_cleanup_builtins(void)
{ … }