fib: fix adding default route

[ upstream commit 880bc2b5f3bdbde0eee4d880afaaf91b4babbdfc ] Fixed an issue that occurs when adding a default route as the first route. Bugzilla ID: 1160 Fixes: 7dc7868 ("fib: add DIR24-8 dataplane algorithm") Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
kevintraynor · Jul 12, 2023 · 5634ca2 · 5634ca2
1 parent ac5250b
commit 5634ca2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/fib/dir24_8.c b/lib/fib/dir24_8.c
@@ -394,7 +394,7 @@ modify_fib(struct dir24_8_tbl *dp, struct rte_rib *rib, uint32_t ip,
 				(uint32_t)(1ULL << (32 - tmp_depth));
 		} else {
 			redge = ip + (uint32_t)(1ULL << (32 - depth));
-			if (ledge == redge)
+			if (ledge == redge && ledge != 0)
 				break;
 			ret = install_to_fib(dp, ledge, redge,
 				next_hop);