The Linux Kernel API | ||
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Peek an &sk_buff. Unlike most other operations you _MUST_ be careful with this one. A peek leaves the buffer on the list and someone else may run off with it. You must hold the appropriate locks or have a private queue to do this.
Returns NULL
for an empty list or a pointer to the tail element.
The reference count is not incremented and the reference is therefore
volatile. Use with caution.
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skb_peek | Up | skb_queue_len |