* Maskable: no.
* Formatting: decimal.
* Prerequisites: ICMPv4.
- * Access: read-only.
+ * Access: read/write.
* NXM: NXM_OF_ICMP_TYPE(13) since v1.1.
* OXM: OXM_OF_ICMPV4_TYPE(19) since OF1.2 and v1.7.
* OF1.0: exact match.
* Maskable: no.
* Formatting: decimal.
* Prerequisites: ICMPv4.
- * Access: read-only.
+ * Access: read/write.
* NXM: NXM_OF_ICMP_CODE(14) since v1.1.
* OXM: OXM_OF_ICMPV4_CODE(20) since OF1.2 and v1.7.
* OF1.0: exact match.
* Maskable: no.
* Formatting: decimal.
* Prerequisites: ICMPv6.
- * Access: read-only.
+ * Access: read/write.
* NXM: NXM_NX_ICMPV6_TYPE(21) since v1.1.
* OXM: OXM_OF_ICMPV6_TYPE(29) since OF1.2 and v1.7.
*/
* Maskable: no.
* Formatting: decimal.
* Prerequisites: ICMPv6.
- * Access: read-only.
+ * Access: read/write.
* NXM: NXM_NX_ICMPV6_CODE(22) since v1.1.
* OXM: OXM_OF_ICMPV6_CODE(30) since OF1.2 and v1.7.
*/