From: Sean Zhang <xiazhang@nvidia.com>
Date: Fri, 11 Feb 2022 01:45:27 +0000 (+0200)
Subject: net: add optional fields in GRE header
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=7786991fae06bc1488dcdfde244910d7920207e9;p=dpdk.git

net: add optional fields in GRE header

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 <xiazhang@nvidia.com>
Acked-by: Ori Kam <orika@nvidia.com>
---

diff --git a/lib/net/rte_gre.h b/lib/net/rte_gre.h
index 5897756b99..6c6aef6fca 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;
+} __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