summaryrefslogtreecommitdiffstats
path: root/include/net/inet_frag.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2013-04-08 11:43:30 +0200
committerIngo Molnar <mingo@kernel.org>2013-04-08 11:43:30 +0200
commit529801898b24544f93532217ce18a7ebbb2b8c4f (patch)
treec51c8fd808e6cff15cabb1a9ac29be0661942384 /include/net/inet_frag.h
parentb847d0501afec4c7b12eb276aec10a2834f953ea (diff)
parent23995bbee01d75f09f72b1380bd6045a5b02947b (diff)
downloadlinux-529801898b24544f93532217ce18a7ebbb2b8c4f.tar.gz
linux-529801898b24544f93532217ce18a7ebbb2b8c4f.tar.bz2
linux-529801898b24544f93532217ce18a7ebbb2b8c4f.zip
Merge branch 'for-tip' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile into perf/core
Pull IBM zEnterprise EC12 support patchlet from Robert Richter. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/net/inet_frag.h')
-rw-r--r--include/net/inet_frag.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 76c3fe5ecc2e..0a1dcc2fa2f5 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -43,6 +43,13 @@ struct inet_frag_queue {
#define INETFRAGS_HASHSZ 64
+/* averaged:
+ * max_depth = default ipfrag_high_thresh / INETFRAGS_HASHSZ /
+ * rounded up (SKB_TRUELEN(0) + sizeof(struct ipq or
+ * struct frag_queue))
+ */
+#define INETFRAGS_MAXDEPTH 128
+
struct inet_frags {
struct hlist_head hash[INETFRAGS_HASHSZ];
/* This rwlock is a global lock (seperate per IPv4, IPv6 and
@@ -76,6 +83,8 @@ int inet_frag_evictor(struct netns_frags *nf, struct inet_frags *f, bool force);
struct inet_frag_queue *inet_frag_find(struct netns_frags *nf,
struct inet_frags *f, void *key, unsigned int hash)
__releases(&f->lock);
+void inet_frag_maybe_warn_overflow(struct inet_frag_queue *q,
+ const char *prefix);
static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f)
{