Datapath: Bug fix: kernel rejects mega flow with encap masks

Bug #18233

Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>

diff --git a/datapath/flow.c b/datapath/flow.c
index fc6752e..778771f 100644 (file)
--- a/datapath/flow.c
+++ b/datapath/flow.c
@@ -1558,6 +1558,7 @@ int ovs_match_from_nlattrs(struct sw_flow_match *match,
                if ((mask_attrs & 1ULL << OVS_KEY_ATTR_ENCAP) && encap_valid) {
                        __be16 eth_type = 0;
 
+                       mask_attrs &= ~(1ULL << OVS_KEY_ATTR_ENCAP);
                        if (a[OVS_KEY_ATTR_ETHERTYPE])
                                eth_type = nla_get_be16(a[OVS_KEY_ATTR_ETHERTYPE]);
                        if (eth_type == htons(0xffff)) {