---
lib/dpif-linux.c | 12 +++---------
lib/netlink.h | 5 +++++
2 files changed, 8 insertions(+), 9 deletions(-)
diff --git a/lib/dpif-linux.c b/lib/dpif-linux.c
index 7d0628c..88193c3 100644
--- a/lib/dpif-linux.c
+++ b/lib/dpif-linux.c
@@ -1329,9 +1329,7 @@ dpif_linux_vport_from_ofpbuf(struct dpif_linux_vport
*vport,
[OVS_VPORT_ATTR_TYPE] = { .type = NL_A_U32 },
[OVS_VPORT_ATTR_NAME] = { .type = NL_A_STRING, .max_len = IFNAMSIZ },
[OVS_VPORT_ATTR_UPCALL_PID] = { .type = NL_A_U32 },
- [OVS_VPORT_ATTR_STATS] = { .type = NL_A_UNSPEC,
- .min_len = sizeof(struct ovs_vport_stats),
- .max_len = sizeof(struct ovs_vport_stats),
+ [OVS_VPORT_ATTR_STATS] = { NL_POLICY_FOR(struct ovs_vport_stats),
.optional = true },
[OVS_VPORT_ATTR_ADDRESS] = { .type = NL_A_UNSPEC,
.min_len = ETH_ADDR_LEN,
@@ -1504,9 +1502,7 @@ dpif_linux_dp_from_ofpbuf(struct dpif_linux_dp *dp, const
struct ofpbuf *buf)
{
static const struct nl_policy ovs_datapath_policy[] = {
[OVS_DP_ATTR_NAME] = { .type = NL_A_STRING, .max_len = IFNAMSIZ },
- [OVS_DP_ATTR_STATS] = { .type = NL_A_UNSPEC,
- .min_len = sizeof(struct ovs_dp_stats),
- .max_len = sizeof(struct ovs_dp_stats),
+ [OVS_DP_ATTR_STATS] = { NL_POLICY_FOR(struct ovs_dp_stats),
.optional = true },
};
@@ -1651,9 +1647,7 @@ dpif_linux_flow_from_ofpbuf(struct dpif_linux_flow *flow,
static const struct nl_policy ovs_flow_policy[] = {
[OVS_FLOW_ATTR_KEY] = { .type = NL_A_NESTED },
[OVS_FLOW_ATTR_ACTIONS] = { .type = NL_A_NESTED, .optional = true },
- [OVS_FLOW_ATTR_STATS] = { .type = NL_A_UNSPEC,
- .min_len = sizeof(struct ovs_flow_stats),
- .max_len = sizeof(struct ovs_flow_stats),
+ [OVS_FLOW_ATTR_STATS] = { NL_POLICY_FOR(struct ovs_flow_stats),
.optional = true },
[OVS_FLOW_ATTR_TCP_FLAGS] = { .type = NL_A_U8, .optional = true },
[OVS_FLOW_ATTR_USED] = { .type = NL_A_U64, .optional = true },
diff --git a/lib/netlink.h b/lib/netlink.h
index b7a87c6..7eced42 100644
--- a/lib/netlink.h
+++ b/lib/netlink.h
@@ -184,6 +184,11 @@ struct nl_policy
bool optional;
};
+#define NL_POLICY_FOR(TYPE) \
+ .type = NL_A_UNSPEC, .min_len = sizeof(TYPE), .max_len = sizeof(TYPE)
+
+bool nl_attr_validate(const struct nlattr *, const struct nl_policy *);
+
bool nl_policy_parse(const struct ofpbuf *, size_t offset,
const struct nl_policy[],
struct nlattr *[], size_t n_attrs);
--
1.7.4.4
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