[dpdk-stable] [PATCH v5] net/ice: fix setting max frame size
Min JiaqiX
jiaqix.min at intel.com
Mon Nov 4 16:33:32 CET 2019
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 at dpdk.org
Signed-off-by: Min JiaqiX <jiaqix.min at intel.com>
---
v5:
* Set `ICE_FRAME_SIZE_MAX` to to default value.
v4:
* Removed Reviewed-by
* Checked and set defaut max frame size to HW in start ops.
v3:
* Changed Fixes line.
v2:
* Changed commit message.
---
drivers/net/ice/ice_ethdev.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index d74675842..741a067f9 100644
--- 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 +2725,15 @@ 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 */
--
2.17.1
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