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nvethernet: Add FRP command IOCTL support

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Add new private IOCTL to perform
Flexible Receive Parser table entry
add, delete, and update operations
using OSI API call.

Bug 200565623

Change-Id: I00f2be1aaa6ee737de5154085be0521db0bb9593
Signed-off-by: Mohan Thadikamalla <mohant@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2331371
Reviewed-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
This commit is contained in:
Mohan Thadikamalla
2020-04-20 15:27:33 +05:30
committed by Revanth Kumar Uppala
parent f244049a90
commit c2f3c724bd
5 changed files with 148 additions and 0 deletions
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45
drivers/net/ethernet/nvidia/nvethernet/ioctl.c
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@@ -256,6 +256,48 @@ static int ether_config_arp_offload(struct ether_priv_data *pdata,
return ret;
}
/**
* @brief This function is invoked by ioctl function when user issues an ioctl
* command to configure Flexible Receive Parser table entry add, delete, and
* update commands.
*
* @param[in] dev: Pointer to net device structure.
* @param[in] ifdata: pointer to IOCTL specific structure.
*
* @note MAC and PHY need to be initialized.
*
* @retval 0 on Success
* @retval "negative value" on Failure
*/
static int ether_config_frp_cmd(struct net_device *dev,
struct ether_ifr_data *ifdata)
{
struct ether_priv_data *pdata = netdev_priv(dev);
struct osi_core_priv_data *osi_core = pdata->osi_core;
struct osi_core_frp_cmd frp_cmd;
int ret = -EINVAL;
if (pdata->hw_feat.frp_sel == OSI_DISABLE) {
dev_err(pdata->dev, "MAC doen't support FRP\n");
return ret;
}
if (!ifdata->ptr) {
dev_err(pdata->dev, "%s: Invalid data for priv ioctl %d\n",
__func__, ifdata->ifcmd);
return ret;
}
if (copy_from_user(&frp_cmd,
(struct osi_core_frp_cmd *)ifdata->ptr,
sizeof(struct osi_core_frp_cmd)) != 0U) {
dev_err(pdata->dev, "%s copy from user failed\n", __func__);
return -EFAULT;
}
return osi_configure_frp(osi_core, &frp_cmd);
}
/**
* @brief This function is invoked by ioctl when user issues an ioctl command
* to enable/disable L3/L4 filtering.
@@ -910,6 +952,9 @@ int ether_handle_priv_ioctl(struct net_device *ndev,
ret = -EOPNOTSUPP;
}
break;
case ETHER_CONFIG_FRP_CMD:
ret = ether_config_frp_cmd(ndev, &ifdata);
break;
case EQOS_IPV4_FILTERING_CMD:
ret = ether_config_ip4_filters(ndev, &ifdata);
break;