net/ice: fix setting max frame size

Max frame size is not set to HW, so packets above the MTU
do not get dropped by HW. The patch fixed the issue.

Fixes: 50370662b727 ("net/ice: support device and queue ops")
Cc: stable@dpdk.org
Signed-off-by: Jiaqi Min <jiaqix.min@intel.com>
Reviewed-by: Xiaolong Ye <xiaolong.ye@intel.com>

diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index d746758..9d2210a 100644 (file)
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -2657,6 +2657,7 @@ ice_dev_start(struct rte_eth_dev *dev)
        struct ice_vsi *vsi = pf->main_vsi;
        uint16_t nb_rxq = 0;
        uint16_t nb_txq, i;
+       uint16_t max_frame_size;
        int mask, ret;
 
        /* program Tx queues' context in hardware */
@@ -2724,6 +2725,14 @@ ice_dev_start(struct rte_eth_dev *dev)
 
        pf->adapter_stopped = false;
 
+       /* Set the max frame size to default value*/
+       max_frame_size = pf->dev_data->dev_conf.rxmode.max_rx_pkt_len ?
+               pf->dev_data->dev_conf.rxmode.max_rx_pkt_len :
+               ICE_FRAME_SIZE_MAX;
+
+       /* Set the max frame size to HW*/
+       ice_aq_set_mac_cfg(hw, max_frame_size, NULL);
+
        return 0;
 
        /* stop the started queues if failed to start all queues */