mac80211: backport skb_free_frag and napi_alloc_frag
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48582
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From: Felix Fietkau <nbd@openwrt.org>
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Date: Thu, 28 Jan 2016 15:16:35 +0100
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Subject: [PATCH] backports: add skb_free_frag()
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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---
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--- a/backport-include/linux/skbuff.h
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+++ b/backport-include/linux/skbuff.h
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@@ -300,4 +300,11 @@ int skb_ensure_writable(struct sk_buff *
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#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0) */
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+#if LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)
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+static inline void skb_free_frag(void *data)
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+{
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+ put_page(virt_to_head_page(data));
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+}
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+#endif
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+
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#endif /* __BACKPORT_SKBUFF_H */
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From: Felix Fietkau <nbd@openwrt.org>
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Date: Thu, 28 Jan 2016 15:19:22 +0100
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Subject: [PATCH] backports: add napi_alloc_frag
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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---
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--- a/backport-include/linux/netdevice.h
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+++ b/backport-include/linux/netdevice.h
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@@ -232,6 +232,10 @@ static inline void backport_unregister_n
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#define unregister_netdevice_many LINUX_BACKPORT(unregister_netdevice_many)
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#endif
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+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
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+#define napi_alloc_frag netdev_alloc_frag
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+#endif
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+
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/*
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* Complicated way of saying: We only backport netdev_rss_key stuff on kernels
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* that either already have net_get_random_once() (>= 3.13) or where we've been
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