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authorOle Troan <ot@cisco.com>2018-09-19 12:38:51 +0200
committerNeale Ranns <nranns@cisco.com>2018-09-27 08:47:40 +0000
commit282093f1fe783b5d36a014d4495995cd64e2e3fb (patch)
tree09e6536da14c262d33991383e408b2c35d361b4a /src/vnet/ipip/node.c
parente23edac38ec239115689fe252b4b41a3556f6280 (diff)
IPIP and IPv6 fragmentation
- Error where ICMPv6 error code doesn't reset VLIB_TX = -1 Leading to crash for ICMP generated on tunnelled packets - Missed setting VNET_BUFFER_F_LOCALLY_ORIGINATED, so IP in IPv6 packets never got fragmented. - Add support for fragmentation of buffer chains. - Remove support for inner fragmentation in frag code itself. Change-Id: If9a97301b7e35ca97ffa5c0fada2b9e7e7dbfb27 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/vnet/ipip/node.c')
-rw-r--r--src/vnet/ipip/node.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/vnet/ipip/node.c b/src/vnet/ipip/node.c
index 60d6223d5f3..6171d3e5d71 100644
--- a/src/vnet/ipip/node.c
+++ b/src/vnet/ipip/node.c
@@ -99,6 +99,14 @@ ipip_input (vlib_main_t * vm, vlib_node_runtime_t * node,
if (is_ipv6)
{
ip60 = vlib_buffer_get_current (b0);
+ /* Check for outer fragmentation */
+ if (ip60->protocol == IP_PROTOCOL_IPV6_FRAGMENTATION)
+ {
+ next0 = IPIP_INPUT_NEXT_DROP;
+ b0->error = node->errors[IPIP_ERROR_FRAGMENTED_PACKET];
+ goto drop;
+ }
+
vlib_buffer_advance (b0, sizeof (*ip60));
ip_set (&src0, &ip60->src_address, false);
ip_set (&dst0, &ip60->dst_address, false);