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authorMark Brown <broonie@kernel.org>2016-07-29 21:38:36 +0100
committerMark Brown <broonie@kernel.org>2016-07-29 21:38:36 +0100
commitb0ba6b0a5eb2b51037a07dbf5a7470ca804d575c (patch)
tree0a4c5f048afa1125d8bc242477965cec699f94ee /include/linux/skbuff.h
parentac248a8b81109d6b41a9338a09538e103f7e31c0 (diff)
parentb05965f284db3e086022f4e318e46cb5bffb1376 (diff)
Merge tag 'v4.4.16' into linux-linaro-lsk-v4.4
This is the 4.4.16 stable release # gpg: Signature made Wed 27 Jul 2016 17:48:38 BST using RSA key ID 6092693E # gpg: requesting key 6092693E from hkp server the.earth.li # gpg: key 6092693E: public key "Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>" imported # gpg: public key of ultimately trusted key B4B0BED6 not found # gpg: 2 marginal(s) needed, 1 complete(s) needed, PGP trust model # gpg: depth: 0 valid: 1 signed: 0 trust: 0-, 0q, 0n, 0m, 0f, 1u # gpg: Total number processed: 1 # gpg: imported: 1 (RSA: 1) # gpg: Good signature from "Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 647F 2865 4894 E3BD 4571 99BE 38DB BDC8 6092 693E
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 1716f9395010..d443d9ab0236 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -982,6 +982,7 @@ __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);
@@ -2773,6 +2774,25 @@ 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