1__NETDEV_ALLOC_SKB(9) Linux Networking __NETDEV_ALLOC_SKB(9)
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6 __netdev_alloc_skb - allocate an skbuff for rx on a specific device
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9 struct sk_buff * __netdev_alloc_skb(struct net_device * dev,
10 unsigned int len, gfp_t gfp_mask);
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13 dev
14 network device to receive on
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16 len
17 -- undescribed --
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19 gfp_mask
20 get_free_pages mask, passed to alloc_skb
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23 Allocate a new sk_buff and assign it a usage count of one. The buffer
24 has NET_SKB_PAD headroom built in. Users should allocate the headroom
25 they think they need without accounting for the built in space. The
26 built in space is used for optimisations.
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28 NULL is returned if there is no free memory.
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31Kernel Hackers Manual 3.10 June 2019 __NETDEV_ALLOC_SKB(9)