summaryrefslogtreecommitdiff
path: root/include/linux/skbuff.h
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2016-07-26 17:26:29 +1000
committerDave Airlie <airlied@redhat.com>2016-07-26 17:26:29 +1000
commit5e580523d9128a4d8364fe89d36c38fc7819c8dd (patch)
tree852fb2427d980830ae8686a91e4ca5873f259ab9 /include/linux/skbuff.h
parentc11dea5b0290984fa48111957ba3fdc5b3bdae5a (diff)
parent523d939ef98fd712632d93a5a2b588e477a7565e (diff)
Backmerge tag 'v4.7' into drm-next
Linux 4.7 As requested by Daniel Vetter as the conflicts were getting messy.
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index ee38a4127475..f39b37180c41 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1062,6 +1062,7 @@ __skb_set_sw_hash(struct sk_buff *skb, __u32 hash, bool is_l4)
}
void __skb_get_hash(struct sk_buff *skb);
+u32 __skb_get_hash_symmetric(struct sk_buff *skb);
u32 skb_get_poff(const struct sk_buff *skb);
u32 __skb_get_poff(const struct sk_buff *skb, void *data,
const struct flow_keys *keys, int hlen);
@@ -2870,6 +2871,25 @@ static inline void skb_postpush_rcsum(struct sk_buff *skb,
}
/**
+ * skb_push_rcsum - push skb and update receive checksum
+ * @skb: buffer to update
+ * @len: length of data pulled
+ *
+ * This function performs an skb_push on the packet and updates
+ * the CHECKSUM_COMPLETE checksum. It should be used on
+ * receive path processing instead of skb_push unless you know
+ * that the checksum difference is zero (e.g., a valid IP header)
+ * or you are setting ip_summed to CHECKSUM_NONE.
+ */
+static inline unsigned char *skb_push_rcsum(struct sk_buff *skb,
+ unsigned int len)
+{
+ skb_push(skb, len);
+ skb_postpush_rcsum(skb, skb->data, len);
+ return skb->data;
+}
+
+/**
* pskb_trim_rcsum - trim received skb and update checksum
* @skb: buffer to trim
* @len: new length