aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorBoris Pismenny <borisp@mellanox.com>2018-07-13 14:33:35 +0300
committerDavid S. Miller <davem@davemloft.net>2018-07-16 00:12:09 -0700
commit784abe24c903b093af04cf1a043140faa556cad7 (patch)
treebeb53a336699d11a6d12853e096de0842c0b5241
parentcc98419a572ccf625bbf6e6fdb8d5ce31f2a9470 (diff)
downloadlinux-stericsson-784abe24c903b093af04cf1a043140faa556cad7.tar.gz
net: Add decrypted field to skb
The decrypted bit is propogated to cloned/copied skbs. This will be used later by the inline crypto receive side offload of tls. Signed-off-by: Boris Pismenny <borisp@mellanox.com> Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/linux/skbuff.h7
-rw-r--r--net/core/skbuff.c6
2 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 7601838c2513..3ceb8dcc54da 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -630,6 +630,7 @@ typedef unsigned char *sk_buff_data_t;
* @hash: the packet hash
* @queue_mapping: Queue mapping for multiqueue devices
* @xmit_more: More SKBs are pending for this queue
+ * @decrypted: Decrypted SKB
* @ndisc_nodetype: router type (from link layer)
* @ooo_okay: allow the mapping of a socket to a queue to be changed
* @l4_hash: indicate hash is a canonical 4-tuple hash over transport
@@ -736,7 +737,11 @@ struct sk_buff {
peeked:1,
head_frag:1,
xmit_more:1,
- __unused:1; /* one bit hole */
+#ifdef CONFIG_TLS_DEVICE
+ decrypted:1;
+#else
+ __unused:1;
+#endif
/* fields enclosed in headers_start/headers_end are copied
* using a single memcpy() in __copy_skb_header()
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index c4e24ac27464..cfd6c6f35f9c 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -805,6 +805,9 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
* It is not yet because we do not want to have a 16 bit hole
*/
new->queue_mapping = old->queue_mapping;
+#ifdef CONFIG_TLS_DEVICE
+ new->decrypted = old->decrypted;
+#endif
memcpy(&new->headers_start, &old->headers_start,
offsetof(struct sk_buff, headers_end) -
@@ -865,6 +868,9 @@ static struct sk_buff *__skb_clone(struct sk_buff *n, struct sk_buff *skb)
C(head_frag);
C(data);
C(truesize);
+#ifdef CONFIG_TLS_DEVICE
+ C(decrypted);
+#endif
refcount_set(&n->users, 1);
atomic_inc(&(skb_shinfo(skb)->dataref));