This would have helped me track down a bug I was hunting just now.
Signed-off-by: Ben Pfaff <b...@nicira.com>
---
lib/dpif-netdev.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index cb64bdc..0268793 100644
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -1033,7 +1033,10 @@ dpif_netdev_mask_from_nlattrs(const struct nlattr *key,
uint32_t key_len,
struct flow *mask)
{
if (mask_key_len) {
- if (odp_flow_key_to_mask(mask_key, mask_key_len, mask, flow)) {
+ enum odp_key_fitness fitness;
+
+ fitness = odp_flow_key_to_mask(mask_key, mask_key_len, mask, flow);
+ if (fitness) {
/* This should not happen: it indicates that
* odp_flow_key_from_mask() and odp_flow_key_to_mask()
* disagree on the acceptable form of a mask. Log the problem
@@ -1046,7 +1049,8 @@ dpif_netdev_mask_from_nlattrs(const struct nlattr *key,
uint32_t key_len,
ds_init(&s);
odp_flow_format(key, key_len, mask_key, mask_key_len, NULL, &s,
true);
- VLOG_ERR("internal error parsing flow mask %s", ds_cstr(&s));
+ VLOG_ERR("internal error parsing flow mask %s (%s)",
+ ds_cstr(&s), odp_key_fitness_to_string(fitness));
ds_destroy(&s);
}
--
1.7.10.4
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