On 12/8/2016 9:10 AM, Chen, Jing D wrote: > HI, Ferruh, > > Best Regards, > Mark > > >> -----Original Message----- >> From: Yigit, Ferruh >> Sent: Wednesday, December 07, 2016 10:18 PM >> To: Lu, Wenzhuo <wenzhuo...@intel.com>; dev@dpdk.org >> Cc: Chen, Jing D <jing.d.c...@intel.com> >> Subject: Re: [dpdk-dev] [PATCH v2 15/32] net/i40e: add VF vlan strip func >> >> On 12/7/2016 3:31 AM, Wenzhuo Lu wrote: >>> Add a function to configure vlan strip enable/disable for specific >>> SRIOV VF device. >>> >>> Signed-off-by: Chen Jing D(Mark) <jing.d.c...@intel.com> >>> --- >> >> <...> >> >>> + >>> +/* Set vlan strip on/off for specific VF from host */ >>> +int >>> +rte_pmd_i40e_set_vf_vlan_stripq(uint8_t port, uint16_t vf_id, uint8_t on) >>> +{ >>> + struct rte_eth_dev *dev; >>> + struct i40e_pf *pf; >>> + struct i40e_vsi *vsi; >>> + >>> + RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV); >>> + >>> + dev = &rte_eth_devices[port]; >>> + pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); >>> + >>> + if (vf_id > pf->vf_num - 1 || !pf->vfs) { >>> + PMD_DRV_LOG(ERR, "Invalid argument."); >>> + return -EINVAL; >>> + } >>> + >>> + vsi = pf->vfs[vf_id].vsi; >>> + >>> + if (vsi) >>> + return i40e_vsi_config_vlan_stripping(vsi, !!on); >>> + else >> >> if vd_if is valid, can vsi be NULL? If so this check may be required in >> some prev patches too. > > It's a little impossible. This sanity check just make the code stronger. >
If it is impossible, do you agree to remove this? And if this can be possible we must update other patches, almost all other patches assume this can't be NULL. >> >>> + return -EINVAL; >>> +} >>> diff --git a/drivers/net/i40e/rte_pmd_i40e.h >>> b/drivers/net/i40e/rte_pmd_i40e.h >>> index ca5e05a..043ae62 100644 >>> --- a/drivers/net/i40e/rte_pmd_i40e.h >>> +++ b/drivers/net/i40e/rte_pmd_i40e.h >>> @@ -187,4 +187,24 @@ int rte_pmd_i40e_set_vf_multicast_promisc(uint8_t port, >>> int rte_pmd_i40e_set_vf_mac_addr(uint8_t port, uint16_t vf_id, >>> struct ether_addr *mac_addr); >>> >>> +/** >>> + * Enable/Disable vf vlan strip for all queues in a pool >>> + * >>> + * @param port >>> + * The port identifier of the Ethernet device. >>> + * @param vf >>> + * ID specifying VF. >>> + * @param on >>> + * 1 - Enable VF's vlan strip on RX queues. >>> + * 0 - Disable VF's vlan strip on RX queues. >>> + * >>> + * @return >>> + * - (0) if successful. >>> + * - (-ENOTSUP) if hardware doesn't support this feature. >> >> Is this error type returned? > > Good catch. Only -EINVAL and -ENODEV would be returned. > >> >>> + * - (-ENODEV) if *port* invalid. >>> + * - (-EINVAL) if bad parameter. >>> + */ >> <...>