Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next

Minor conflict in ip_output.c, overlapping changes to
the body of an if() statement.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/ip_output.c

@@ -910,7 +910,7 @@ static int __ip_append_data(struct sock *sk,
 	    length + fragheaderlen <= mtu &&
 	    rt->dst.dev->features & (NETIF_F_HW_CSUM | NETIF_F_IP_CSUM) &&
 	    (!(flags & MSG_MORE) || cork->gso_size) &&
-	    !exthdrlen)
+	    (!exthdrlen || (rt->dst.dev->features & NETIF_F_HW_ESP_TX_CSUM)))
 		csummode = CHECKSUM_PARTIAL;
 
 	cork->length += length;

net/ipv6/ip6_vti.c

@@ -743,7 +743,7 @@ vti6_parm_to_user(struct ip6_tnl_parm2 *u, const struct __ip6_tnl_parm *p)
 }
 
 /**
- * vti6_tnl_ioctl - configure vti6 tunnels from userspace
+ * vti6_ioctl - configure vti6 tunnels from userspace
  *   @dev: virtual device associated with tunnel
  *   @ifr: parameters passed from userspace
  *   @cmd: command to be performed

net/ipv6/xfrm6_state.c

@@ -60,11 +60,9 @@ xfrm6_init_temprop(struct xfrm_state *x, const struct xfrm_tmpl *tmpl,
 static int
 __xfrm6_sort(void **dst, void **src, int n, int (*cmp)(void *p), int maxclass)
 {
-	int i;
+	int count[XFRM_MAX_DEPTH] = { };
 	int class[XFRM_MAX_DEPTH];
-	int count[maxclass];
-
-	memset(count, 0, sizeof(count));
+	int i;
 
 	for (i = 0; i < n; i++) {
 		int c;

net/xfrm/xfrm_state.c

@@ -42,6 +42,7 @@ static void xfrm_state_gc_task(struct work_struct *work);
 
 static unsigned int xfrm_state_hashmax __read_mostly = 1 * 1024 * 1024;
 static __read_mostly seqcount_t xfrm_state_hash_generation = SEQCNT_ZERO(xfrm_state_hash_generation);
+static struct kmem_cache *xfrm_state_cache __ro_after_init;
 
 static DECLARE_WORK(xfrm_state_gc_work, xfrm_state_gc_task);
 static HLIST_HEAD(xfrm_state_gc_list);
@@ -451,7 +452,7 @@ static void xfrm_state_gc_destroy(struct xfrm_state *x)
 	}
 	xfrm_dev_state_free(x);
 	security_xfrm_state_free(x);
-	kfree(x);
+	kmem_cache_free(xfrm_state_cache, x);
 }
 
 static void xfrm_state_gc_task(struct work_struct *work)
@@ -563,7 +564,7 @@ struct xfrm_state *xfrm_state_alloc(struct net *net)
 {
 	struct xfrm_state *x;
 
-	x = kzalloc(sizeof(struct xfrm_state), GFP_ATOMIC);
+	x = kmem_cache_alloc(xfrm_state_cache, GFP_ATOMIC | __GFP_ZERO);
 
 	if (x) {
 		write_pnet(&x->xs_net, net);
@@ -2307,6 +2308,10 @@ int __net_init xfrm_state_init(struct net *net)
 {
 	unsigned int sz;
 
+	if (net_eq(net, &init_net))
+		xfrm_state_cache = KMEM_CACHE(xfrm_state,
+					      SLAB_HWCACHE_ALIGN | SLAB_PANIC);
+
 	INIT_LIST_HEAD(&net->xfrm.state_all);
 
 	sz = sizeof(struct hlist_head) * 8;

tools/testing/selftests/net/rtnetlink.sh

@@ -502,6 +502,108 @@ kci_test_macsec()
 	echo "PASS: macsec"
 }
 
+#-------------------------------------------------------------------
+# Example commands
+#   ip x s add proto esp src 14.0.0.52 dst 14.0.0.70 \
+#            spi 0x07 mode transport reqid 0x07 replay-window 32 \
+#            aead 'rfc4106(gcm(aes))' 1234567890123456dcba 128 \
+#            sel src 14.0.0.52/24 dst 14.0.0.70/24
+#   ip x p add dir out src 14.0.0.52/24 dst 14.0.0.70/24 \
+#            tmpl proto esp src 14.0.0.52 dst 14.0.0.70 \
+#            spi 0x07 mode transport reqid 0x07
+#
+# Subcommands not tested
+#    ip x s update
+#    ip x s allocspi
+#    ip x s deleteall
+#    ip x p update
+#    ip x p deleteall
+#    ip x p set
+#-------------------------------------------------------------------
+kci_test_ipsec()
+{
+	srcip="14.0.0.52"
+	dstip="14.0.0.70"
+	algo="aead rfc4106(gcm(aes)) 0x3132333435363738393031323334353664636261 128"
+
+	# flush to be sure there's nothing configured
+	ip x s flush ; ip x p flush
+	check_err $?
+
+	# start the monitor in the background
+	tmpfile=`mktemp ipsectestXXX`
+	ip x m > $tmpfile &
+	mpid=$!
+	sleep 0.2
+
+	ipsecid="proto esp src $srcip dst $dstip spi 0x07"
+	ip x s add $ipsecid \
+            mode transport reqid 0x07 replay-window 32 \
+            $algo sel src $srcip/24 dst $dstip/24
+	check_err $?
+
+	lines=`ip x s list | grep $srcip | grep $dstip | wc -l`
+	test $lines -eq 2
+	check_err $?
+
+	ip x s count | grep -q "SAD count 1"
+	check_err $?
+
+	lines=`ip x s get $ipsecid | grep $srcip | grep $dstip | wc -l`
+	test $lines -eq 2
+	check_err $?
+
+	ip x s delete $ipsecid
+	check_err $?
+
+	lines=`ip x s list | wc -l`
+	test $lines -eq 0
+	check_err $?
+
+	ipsecsel="dir out src $srcip/24 dst $dstip/24"
+	ip x p add $ipsecsel \
+		    tmpl proto esp src $srcip dst $dstip \
+		    spi 0x07 mode transport reqid 0x07
+	check_err $?
+
+	lines=`ip x p list | grep $srcip | grep $dstip | wc -l`
+	test $lines -eq 2
+	check_err $?
+
+	ip x p count | grep -q "SPD IN  0 OUT 1 FWD 0"
+	check_err $?
+
+	lines=`ip x p get $ipsecsel | grep $srcip | grep $dstip | wc -l`
+	test $lines -eq 2
+	check_err $?
+
+	ip x p delete $ipsecsel
+	check_err $?
+
+	lines=`ip x p list | wc -l`
+	test $lines -eq 0
+	check_err $?
+
+	# check the monitor results
+	kill $mpid
+	lines=`wc -l $tmpfile | cut "-d " -f1`
+	test $lines -eq 20
+	check_err $?
+	rm -rf $tmpfile
+
+	# clean up any leftovers
+	ip x s flush
+	check_err $?
+	ip x p flush
+	check_err $?
+
+	if [ $ret -ne 0 ]; then
+		echo "FAIL: ipsec"
+		return 1
+	fi
+	echo "PASS: ipsec"
+}
+
 kci_test_gretap()
 {
 	testns="testns"
@@ -755,6 +857,7 @@ kci_test_rtnl()
 	kci_test_vrf
 	kci_test_encap
 	kci_test_macsec
+	kci_test_ipsec
 
 	kci_del_dummy
 }