From 546cde6494913a9d5b1c12578385ca586ee999ef Mon Sep 17 00:00:00 2001
From: kircher <majun65@huawei.com>
Date: Sat, 17 Dec 2022 15:25:26 +0800
Subject: [PATCH] add RXTX_NB_MBUF_MAX to limit mbuf_pool_size to its range

---
 src/common/gazelle_opt.h     | 1 +
 src/lstack/core/lstack_cfg.c | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/common/gazelle_opt.h b/src/common/gazelle_opt.h
index a23b329..7e55422 100644
--- a/src/common/gazelle_opt.h
+++ b/src/common/gazelle_opt.h
@@ -48,6 +48,7 @@
 #define RTE_TEST_RX_DESC_DEFAULT    4096
 
 #define RXTX_NB_MBUF_DEFAULT        (128 * 2000) /* mbuf per connect * connect num. size of mbuf is 2536 Byte */
+#define RXTX_NB_MBUF_MAX            (2560 * 2000)
 
 #define MBUF_MAX_DATA_LEN           1460
 
diff --git a/src/lstack/core/lstack_cfg.c b/src/lstack/core/lstack_cfg.c
index 52a34a4..9c23115 100644
--- a/src/lstack/core/lstack_cfg.c
+++ b/src/lstack/core/lstack_cfg.c
@@ -717,8 +717,8 @@ static int32_t parse_rxtx_pool_size(void)
     }
 
     int32_t val = config_setting_get_int(arg);
-    if (val <= 0) {
-        LSTACK_PRE_LOG(LSTACK_ERR, "cfg mbuf_pool_size %d invaild.\n", val);
+    if (val <= 0 || val > RXTX_NB_MBUF_MAX) {
+        LSTACK_PRE_LOG(LSTACK_ERR, "cfg mbuf_pool_size %d invaild, it should be in (0,%d].\n", val, RXTX_NB_MBUF_MAX);
         return -EINVAL;
     }
 
-- 
2.33.0