This patch sets max frame size at port level rather than queue level to avoid unexpected packets received by port.
Fixes: 34fe803c051f ("net/i40e: don't check link status on device start") Cc: sta...@dpdk.org Signed-off-by: Simei Su <simei...@intel.com> --- v7: * Split v6 patch into two parts: - David Marchand's revert patch first: https://patchwork.dpdk.org/project/dpdk/patch/20221213091837.87953-1-david.march...@redhat.com/ - issue fix patch * Refine commit title and commit log. v6: * Refine commit log. * Remove return error. v5: * Fix misspelling in commit log. v4: * Refine commit log. * Avoid duplicate call to set parameter "wait to complete" true. v3: * Put link update before interrupt enable. v2: * Refine commit log. * Add link update. drivers/net/i40e/i40e_ethdev.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index a982e42..371f422 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -1710,11 +1710,6 @@ eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused) */ i40e_add_tx_flow_control_drop_filter(pf); - /* Set the max frame size to 0x2600 by default, - * in case other drivers changed the default value. - */ - i40e_aq_set_mac_config(hw, I40E_FRAME_SIZE_MAX, TRUE, false, 0, NULL); - /* initialize RSS rule list */ TAILQ_INIT(&pf->rss_config_list); @@ -2332,6 +2327,7 @@ i40e_dev_start(struct rte_eth_dev *dev) uint32_t intr_vector = 0; struct i40e_vsi *vsi; uint16_t nb_rxq, nb_txq; + uint16_t max_frame_size; hw->adapter_stopped = 0; @@ -2452,7 +2448,7 @@ i40e_dev_start(struct rte_eth_dev *dev) PMD_DRV_LOG(WARNING, "Fail to set phy mask"); /* Call get_link_info aq command to enable/disable LSE */ - i40e_dev_link_update(dev, 0); + i40e_dev_link_update(dev, 1); } if (dev->data->dev_conf.intr_conf.rxq == 0) { @@ -2470,6 +2466,13 @@ i40e_dev_start(struct rte_eth_dev *dev) "please call hierarchy_commit() " "before starting the port"); + max_frame_size = dev->data->mtu ? + dev->data->mtu + I40E_ETH_OVERHEAD : + I40E_FRAME_SIZE_MAX; + + /* Set the max frame size to HW*/ + i40e_aq_set_mac_config(hw, max_frame_size, TRUE, false, 0, NULL); + return I40E_SUCCESS; tx_err: -- 2.9.5