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authorDavid S. Miller2020-06-25 19:29:51 -0700
committerDavid S. Miller2020-06-25 19:29:51 -0700
commit7bed14551659875e1cd23a7c0266394a29a773b3 (patch)
tree2bbd8b1b2b1610d2e48a71bf7bb5f41ac5e1d0ef /net/xfrm
parentb8392808eb3fc28e523e28cb258c81ca246deb9b (diff)
parent4a21185cda0fbb860580eeeb4f1a70a9cda332a4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Minor overlapping changes in xfrm_device.c, between the double ESP trailing bug fix setting the XFRM_INIT flag and the changes in net-next preparing for bonding encryption support. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/Kconfig24
-rw-r--r--net/xfrm/xfrm_device.c4
-rw-r--r--net/xfrm/xfrm_output.c4
3 files changed, 27 insertions, 5 deletions
diff --git a/net/xfrm/Kconfig b/net/xfrm/Kconfig
index b5d4a1ef04b9..5b9a5ab48111 100644
--- a/net/xfrm/Kconfig
+++ b/net/xfrm/Kconfig
@@ -67,6 +67,30 @@ config XFRM_STATISTICS
If unsure, say N.
+# This option selects XFRM_ALGO along with the AH authentication algorithms that
+# RFC 8221 lists as MUST be implemented.
+config XFRM_AH
+ tristate
+ select XFRM_ALGO
+ select CRYPTO
+ select CRYPTO_HMAC
+ select CRYPTO_SHA256
+
+# This option selects XFRM_ALGO along with the ESP encryption and authentication
+# algorithms that RFC 8221 lists as MUST be implemented.
+config XFRM_ESP
+ tristate
+ select XFRM_ALGO
+ select CRYPTO
+ select CRYPTO_AES
+ select CRYPTO_AUTHENC
+ select CRYPTO_CBC
+ select CRYPTO_ECHAINIV
+ select CRYPTO_GCM
+ select CRYPTO_HMAC
+ select CRYPTO_SEQIV
+ select CRYPTO_SHA256
+
config XFRM_IPCOMP
tristate
select XFRM_ALGO
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 7b64bb64c822..edf11893dbe8 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -109,7 +109,7 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur
struct net_device *dev = skb->dev;
struct sec_path *sp;
- if (!xo)
+ if (!xo || (xo->flags & XFRM_XMIT))
return skb;
if (!(features & NETIF_F_HW_ESP))
@@ -134,6 +134,8 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur
return skb;
}
+ xo->flags |= XFRM_XMIT;
+
if (skb_is_gso(skb) && unlikely(x->xso.dev != dev)) {
struct sk_buff *segs;
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index e4c23f69f69f..a7ab19353313 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -574,16 +574,12 @@ int xfrm_output(struct sock *sk, struct sk_buff *skb)
switch (x->outer_mode.family) {
case AF_INET:
memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
-#ifdef CONFIG_NETFILTER
IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
-#endif
break;
case AF_INET6:
memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
-#ifdef CONFIG_NETFILTER
IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
-#endif
break;
}