On 2/11/2022 1:45 AM, Sean Zhang wrote:
There are optional fields in GRE header(checksum/key/sequence), this
patch adds definition of structures of the optional fields.
Signed-off-by: Sean Zhang <xiazh...@nvidia.com>
---
lib/net/rte_gre.h | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/lib/net/rte_gre.h b/lib/net/rte_gre.h
index 5897756..6c6aef6 100644
--- a/lib/net/rte_gre.h
+++ b/lib/net/rte_gre.h
@@ -48,6 +48,28 @@ struct rte_gre_hdr {
uint16_t proto; /**< Protocol Type */
} __rte_packed;
+/**
+ * Optional field checksum in GRE header
+ */
+struct rte_gre_hdr_opt_checksum_rsvd {
+ rte_be16_t checksum;
+ rte_be16_t reserved1;
Can you please explain why this reserved field is added,
I guess it i not part of the GRE spec, but added for mlx driver?
Since these struts will be public, we can't update them later easily,
so we should be careful on them.
+} __rte_packed;
+
+/**
+ * Optional field key in GRE header
+ */
+struct rte_gre_hdr_opt_key {
+ rte_be32_t key;
+} __rte_packed;
+
+/**
+ * Optional field sequence in GRE header
+ */
+struct rte_gre_hdr_opt_sequence {
+ rte_be32_t sequence;
+} __rte_packed;
+
#ifdef __cplusplus
}
#endif
