[dpdk-dev] [PATCH 1/3] fm10k: Add promiscuous mode support
Qiu, Michael
michael.qiu at intel.com
Tue Jun 9 17:20:56 CEST 2015
On 2015/6/5 17:03, Chen, Jing D wrote:
> From: "Chen Jing D(Mark)" <jing.d.chen at intel.com>
>
> Add functions to support promiscuous/allmulticast enable and
> disable.
>
> Signed-off-by: Chen Jing D(Mark) <jing.d.chen at intel.com>
> ---
> drivers/net/fm10k/fm10k_ethdev.c | 118 +++++++++++++++++++++++++++++++++++++-
> 1 files changed, 117 insertions(+), 1 deletions(-)
>
...
> +
> +static void
> +fm10k_dev_promiscuous_enable(struct rte_eth_dev *dev)
> +{
> + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> + int status;
> +
> + PMD_INIT_FUNC_TRACE();
> +
> + /* Return if it didn't acquire valid glort range */
> + if (!fm10k_glort_valid(hw))
> + return;
> +
> + fm10k_mbx_lock(hw);
> + status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
> + FM10K_XCAST_MODE_PROMISC);
> + fm10k_mbx_unlock(hw);
> +
> + if (status != FM10K_SUCCESS)
> + PMD_INIT_LOG(ERR, "Failed to enable promiscuous mode");
> +}
> +
> +static void
> +fm10k_dev_promiscuous_disable(struct rte_eth_dev *dev)
> +{
> + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> + uint8_t mode;
> + int status;
> +
> + PMD_INIT_FUNC_TRACE();
> +
> + /* Return if it didn't acquire valid glort range */
> + if (!fm10k_glort_valid(hw))
> + return;
> +
> + if (dev->data->all_multicast == 1)
> + mode = FM10K_XCAST_MODE_ALLMULTI;
> + else
> + mode = FM10K_XCAST_MODE_NONE;
> +
> + fm10k_mbx_lock(hw);
> + status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
> + mode);
> + fm10k_mbx_unlock(hw);
> +
> + if (status != FM10K_SUCCESS)
> + PMD_INIT_LOG(ERR, "Failed to disable promiscuous mode");
> +}
> +
> +static void
> +fm10k_dev_allmulticast_enable(struct rte_eth_dev *dev)
> +{
> + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> + int status;
> +
> + PMD_INIT_FUNC_TRACE();
> +
> + /* Return if it didn't acquire valid glort range */
> + if (!fm10k_glort_valid(hw))
> + return;
> +
> + /* If promiscuous mode is enabled, it doesn't make sense to enable
> + * allmulticast and disable promiscuous since fm10k only can select
> + * one of the modes.
> + */
> + if (dev->data->promiscuous)
Would it be better to add a log here to tell user?
> + return;
> +
> + fm10k_mbx_lock(hw);
> + status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
> + FM10K_XCAST_MODE_ALLMULTI);
> + fm10k_mbx_unlock(hw);
> +
> + if (status != FM10K_SUCCESS)
> + PMD_INIT_LOG(ERR, "Failed to enable allmulticast mode");
> +}
> +
> +static void
> +fm10k_dev_allmulticast_disable(struct rte_eth_dev *dev)
> +{
> + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> + int status;
> +
> + PMD_INIT_FUNC_TRACE();
> +
> + /* Return if it didn't acquire valid glort range */
> + if (!fm10k_glort_valid(hw))
> + return;
> +
> + if (dev->data->promiscuous)
Also here?
> + return;
> +
> + fm10k_mbx_lock(hw);
> + /* Change mode to unicast mode */
> + status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
> + FM10K_XCAST_MODE_NONE);
> + fm10k_mbx_unlock(hw);
> +
> + if (status != FM10K_SUCCESS)
> + PMD_INIT_LOG(ERR, "Failed to disable allmulticast mode");
> +}
> +
> /* fls = find last set bit = 32 minus the number of leading zeros */
> #ifndef fls
> #define fls(x) (((x) == 0) ? 0 : (32 - __builtin_clz((x))))
> @@ -1654,6 +1766,10 @@ static const struct eth_dev_ops fm10k_eth_dev_ops = {
> .dev_start = fm10k_dev_start,
> .dev_stop = fm10k_dev_stop,
> .dev_close = fm10k_dev_close,
> + .promiscuous_enable = fm10k_dev_promiscuous_enable,
> + .promiscuous_disable = fm10k_dev_promiscuous_disable,
> + .allmulticast_enable = fm10k_dev_allmulticast_enable,
> + .allmulticast_disable = fm10k_dev_allmulticast_disable,
> .stats_get = fm10k_stats_get,
> .stats_reset = fm10k_stats_reset,
> .link_update = fm10k_link_update,
> @@ -1819,7 +1935,7 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev)
> * API func.
> */
> hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
> - FM10K_XCAST_MODE_MULTI);
> + FM10K_XCAST_MODE_NONE);
>
> fm10k_mbx_unlock(hw);
>
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