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odp-util: Use FLOW_MAX_MPLS_LABELS when parsing MPLS ODP keys.

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Even though the number of supported MPLS labels may vary between a
datapath and the OVS userspace, it is better to use the
FLOW_MAX_MPLS_LABELS than a hard-coded '3' as the maximum number of
labels to scan.

Requested-by: Ben Pfaff <blp@ovn.org>
Signed-off-by: Jarno Rajahalme <jarno@ovn.org>
Acked-by: Ben Pfaff <blp@ovn.org>
This commit is contained in:
Jarno Rajahalme
2016-02-29 11:13:28 -08:00
parent 35666f1c4e
commit ab83c8c571
1 changed files with 1 additions and 1 deletions
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lib/odp-util.c
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@@ -4052,7 +4052,7 @@ parse_odp_key_mask_attr(const char *s, const struct simap *port_names,
SCAN_SINGLE("eth_type(", ovs_be16, be16, OVS_KEY_ATTR_ETHERTYPE);
SCAN_BEGIN_ARRAY("mpls(", struct ovs_key_mpls, 3) {
SCAN_BEGIN_ARRAY("mpls(", struct ovs_key_mpls, FLOW_MAX_MPLS_LABELS) {
SCAN_FIELD_ARRAY("label=", mpls_label, mpls_lse);
SCAN_FIELD_ARRAY("tc=", mpls_tc, mpls_lse);
SCAN_FIELD_ARRAY("ttl=", mpls_ttl, mpls_lse);