diff --git a/c_gen/c_match.py b/c_gen/c_match.py
index a45090a..fe6e56b 100644
--- a/c_gen/c_match.py
+++ b/c_gen/c_match.py
@@ -294,6 +294,7 @@
     OF_OXM_INDEX_BSN_L3_INTERFACE_CLASS_ID = 40,
     OF_OXM_INDEX_BSN_L3_SRC_CLASS_ID = 41,
     OF_OXM_INDEX_BSN_L3_DST_CLASS_ID = 42,
+    OF_OXM_INDEX_BSN_EGR_PORT_GROUP_ID = 43,
 };
 
 #define OF_OXM_BIT(index) (((uint64_t) 1) << (index))
diff --git a/c_gen/match.py b/c_gen/match.py
index 611a80d..2f12780 100644
--- a/c_gen/match.py
+++ b/c_gen/match.py
@@ -459,6 +459,15 @@
         takes_mask_in_spec=True,
         order=1005,
         ),
+
+    bsn_egr_port_group_id = dict(
+        name="bsn_egr_port_group_id",
+        m_type="uint32_t",
+        print_type="PRIu32",
+        conditions="",
+        takes_mask_in_spec=True,
+        order=1006,
+        ),
 )
 
 match_keys_sorted = of_match_members.keys()
diff --git a/c_gen/templates/loci_show.h b/c_gen/templates/loci_show.h
index e7cc2a8..5384837 100644
--- a/c_gen/templates/loci_show.h
+++ b/c_gen/templates/loci_show.h
@@ -385,5 +385,6 @@
 #define LOCI_SHOW_u32_entry_count(writer, cookie, val) LOCI_SHOW_u32(writer, cookie, val)
 #define LOCI_SHOW_u32_num_aux(writer, cookie, val) LOCI_SHOW_u32(writer, cookie, val)
 #define LOCI_SHOW_u64_checksum(writer, cookie, val) LOCI_SHOW_u64(writer, cookie, val)
+#define LOCI_SHOW_u32_bsn_egr_port_group_id(writer, cookie, val) LOCI_SHOW_u32(writer, cookie, val)
 
 #endif /* _LOCI_SHOW_H_ */