[PATCH 15/18] header: Remove include/net/inet_frag.h

The functions provided by include/net/inet_frag.h are not used by any
code in backports any more and this file causes compile warnings
with kernel 3.16.

Signed-off-by: Hauke Mehrtens <[email protected]>
---
 backport/backport-include/net/inet_frag.h | 76 -----------------------
 backport/compat/compat-3.9.c              | 12 ----
 2 files changed, 88 deletions(-)
 delete mode 100644 backport/backport-include/net/inet_frag.h

diff --git a/backport/backport-include/net/inet_frag.h b/backport/backport-include/net/inet_frag.h
deleted file mode 100644
index f37b8a5b..00000000
--- a/backport/backport-include/net/inet_frag.h
+++ /dev/null
@@ -1,76 +0,0 @@
-#ifndef __BACKPORT__NET_FRAG_H__
-#define __BACKPORT__NET_FRAG_H__
-#include_next <net/inet_frag.h>
-#include <linux/version.h>
-
-#if LINUX_VERSION_IS_LESS(3,9,0)
-/* Memory Tracking Functions. */
-#define frag_mem_limit LINUX_BACKPORT(frag_mem_limit)
-static inline int frag_mem_limit(struct netns_frags *nf)
-{
-	return atomic_read(&nf->mem);
-}
-
-#define init_frag_mem_limit LINUX_BACKPORT(init_frag_mem_limit)
-static inline void init_frag_mem_limit(struct netns_frags *nf)
-{
-	atomic_set(&nf->mem, 0);
-}
-
-#define sum_frag_mem_limit LINUX_BACKPORT(sum_frag_mem_limit)
-static inline int sum_frag_mem_limit(struct netns_frags *nf)
-{
-	return atomic_read(&nf->mem);
-}
-
-#define inet_frag_maybe_warn_overflow LINUX_BACKPORT(inet_frag_maybe_warn_overflow)
-void inet_frag_maybe_warn_overflow(struct inet_frag_queue *q,
-				   const char *prefix);
-#endif /* LINUX_VERSION_IS_LESS(3,9,0) */
-
-/* the type of the paramater changed with kernel 4.3 */
-#if LINUX_VERSION_IS_LESS(3,9,0) || LINUX_VERSION_IN_RANGE(3,16,51, 3,17,0)
-#define sub_frag_mem_limit LINUX_BACKPORT(sub_frag_mem_limit)
-static inline void sub_frag_mem_limit(struct netns_frags *nf, int i)
-{
-	atomic_sub(i, &nf->mem);
-}
-
-#define add_frag_mem_limit LINUX_BACKPORT(add_frag_mem_limit)
-static inline void add_frag_mem_limit(struct netns_frags *nf, int i)
-{
-	atomic_add(i, &nf->mem);
-}
-#elif LINUX_VERSION_IS_LESS(4,3,0)
-#define sub_frag_mem_limit LINUX_BACKPORT(sub_frag_mem_limit)
-static inline void sub_frag_mem_limit(struct netns_frags *nf, int i)
-{
-	__percpu_counter_add(&nf->mem, -i, frag_percpu_counter_batch);
-}
-
-#define add_frag_mem_limit LINUX_BACKPORT(add_frag_mem_limit)
-static inline void add_frag_mem_limit(struct netns_frags *nf, int i)
-{
-	__percpu_counter_add(&nf->mem, i, frag_percpu_counter_batch);
-}
-#endif /* LINUX_VERSION_IS_LESS(4,3,0) */
-
-#if LINUX_VERSION_IS_LESS(4,4,0) && \
-    LINUX_VERSION_IS_GEQ(3,9,0)
-#define inet_frags_uninit_net LINUX_BACKPORT(inet_frags_uninit_net)
-static inline void inet_frags_uninit_net(struct netns_frags *nf)
-{
-	percpu_counter_destroy(&nf->mem);
-}
-#endif /* < 4.4 && >= 3.9 */
-
-#if LINUX_VERSION_IS_LESS(4,4,0)
-static inline int backport_inet_frags_init_net(struct netns_frags *nf)
-{
-	inet_frags_init_net(nf);
-	return 0;
-}
-#define inet_frags_init_net LINUX_BACKPORT(inet_frags_init_net)
-#endif /* < 4.4 */
-
-#endif /* __BACKPORT__NET_FRAG_H__ */
diff --git a/backport/compat/compat-3.9.c b/backport/compat/compat-3.9.c
index 93889b55..6975a788 100644
--- a/backport/compat/compat-3.9.c
+++ b/backport/compat/compat-3.9.c
@@ -61,18 +61,6 @@ void eth_commit_mac_addr_change(struct net_device *dev, void *p)
 }
 EXPORT_SYMBOL_GPL(eth_commit_mac_addr_change);
 
-void inet_frag_maybe_warn_overflow(struct inet_frag_queue *q,
-				   const char *prefix)
-{
-	static const char msg[] = "inet_frag_find: Fragment hash bucket"
-		" list length grew over limit " __stringify(INETFRAGS_MAXDEPTH)
-		". Dropping fragment.\n";
-
-	if (PTR_ERR(q) == -ENOBUFS)
-		LIMIT_NETDEBUG(KERN_WARNING "%s%s", prefix, msg);
-}
-EXPORT_SYMBOL_GPL(inet_frag_maybe_warn_overflow);
-
 void __sg_page_iter_start(struct sg_page_iter *piter,
 			  struct scatterlist *sglist, unsigned int nents,
 			  unsigned long pgoffset)
-- 
2.20.1

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