__ __ __ __ _____ _ _ _____ _ _ _
| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* KUnit resource management helpers for SKBs (skbuff).
*
* Copyright (C) 2023 Intel Corporation
*/
#ifndef _KUNIT_SKBUFF_H
#define _KUNIT_SKBUFF_H
#include <kunit/resource.h>
#include <linux/skbuff.h>
static void kunit_action_kfree_skb(void *p)
{
kfree_skb((struct sk_buff *)p);
}
/**
* kunit_zalloc_skb() - Allocate and initialize a resource managed skb.
* @test: The test case to which the skb belongs
* @len: size to allocate
*
* Allocate a new struct sk_buff with GFP_KERNEL, zero fill the give length
* and add it as a resource to the kunit test for automatic cleanup.
*
* Returns: newly allocated SKB, or %NULL on error
*/
static inline struct sk_buff *kunit_zalloc_skb(struct kunit *test, int len,
gfp_t gfp)
{
struct sk_buff *res = alloc_skb(len, GFP_KERNEL);
if (!res || skb_pad(res, len))
return NULL;
if (kunit_add_action_or_reset(test, kunit_action_kfree_skb, res))
return NULL;
return res;
}
/**
* kunit_kfree_skb() - Like kfree_skb except for allocations managed by KUnit.
* @test: The test case to which the resource belongs.
* @skb: The SKB to free.
*/
static inline void kunit_kfree_skb(struct kunit *test, struct sk_buff *skb)
{
if (!skb)
return;
kunit_release_action(test, kunit_action_kfree_skb, (void *)skb);
}
#endif /* _KUNIT_SKBUFF_H */