From: Ian Stokes <ian.sto...@intel.com>

This commit uses the mtu fields populated in rte_eth_dev_info_get()
to validate the mtu value being passed in port_mtu_set().

Signed-off-by: Ian Stokes <ian.sto...@intel.com>
---
 app/test-pmd/config.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index b9e5dd923..cadcb512f 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -1063,9 +1063,16 @@ void
 port_mtu_set(portid_t port_id, uint16_t mtu)
 {
        int diag;
+       struct rte_eth_dev_info dev_info;
 
        if (port_id_is_invalid(port_id, ENABLED_WARN))
                return;
+       rte_eth_dev_info_get(port_id, &dev_info);
+       if (mtu > dev_info.max_mtu || mtu < dev_info.min_mtu) {
+               printf("Set MTU failed. MTU:%u is not in valid range, min:%u - 
max:%u\n",
+                       mtu, dev_info.min_mtu, dev_info.max_mtu);
+               return;
+       }
        diag = rte_eth_dev_set_mtu(port_id, mtu);
        if (diag == 0)
                return;
-- 
2.20.1

Reply via email to