On 8/23/2019 2:47 PM, Wei Hu (Xavier) wrote:
> This patch adds multiple process support for hns3 PMD driver.
> Multi-process support selection queue by configuring RSS or
> flow director. The primary process supports various management
> ops, and the secondary process only supports queries ops.
> The primary process notifies the secondary processes to start
> or stop tranceiver.
>
> Signed-off-by: Chunsong Feng <fengchuns...@huawei.com>
> Signed-off-by: Min Wang (Jushui) <wangm...@huawei.com>
> Signed-off-by: Wei Hu (Xavier) <xavier.hu...@huawei.com>
> Signed-off-by: Min Hu (Connor) <humi...@huawei.com>
> Signed-off-by: Hao Chen <chenhao...@huawei.com>
> Signed-off-by: Huisong Li <lihuis...@huawei.com>
<...>
> @@ -1556,6 +1559,25 @@ static const struct eth_dev_ops hns3vf_eth_dev_ops = {
> .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
> };
>
> +static const struct eth_dev_ops hns3vf_eth_dev_secondary_ops = {
> + .stats_get = hns3_stats_get,
> + .stats_reset = hns3_stats_reset,
> + .xstats_get = hns3_dev_xstats_get,
> + .xstats_get_names = hns3_dev_xstats_get_names,
> + .xstats_reset = hns3_dev_xstats_reset,
> + .xstats_get_by_id = hns3_dev_xstats_get_by_id,
> + .xstats_get_names_by_id = hns3_dev_xstats_get_names_by_id,
> + .dev_infos_get = hns3vf_dev_infos_get,
> + .link_update = hns3vf_dev_link_update,
> + .rss_hash_update = hns3_dev_rss_hash_update,
> + .rss_hash_conf_get = hns3_dev_rss_hash_conf_get,
> + .reta_update = hns3_dev_rss_reta_update,
> + .reta_query = hns3_dev_rss_reta_query,
> + .filter_ctrl = hns3_dev_filter_ctrl,
> + .get_reg = hns3_get_regs,
> + .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
> +};
> +
There shouldn't need to define separate dev_ops for the secondary processes,
what is the difference of this one used for primary process, why not use that
one?
<...>
> +/*
> + * Initialize by secondary process.
> + */
> +void hns3_mp_init_secondary(void)
> +{
> + rte_mp_action_register(HNS3_MP_NAME, mp_secondary_handle);
What is this handler for? Most of the case the MP communication is done in eal
level and nothing need to be done in the driver level.
