> -----Original Message-----
> From: taox....@intel.com <taox....@intel.com>
> Sent: Thursday, October 29, 2020 1:11 PM
> To: Yang, Qiming <qiming.y...@intel.com>; Zhang, Qi Z
> <qi.z.zh...@intel.com>
> Cc: dev@dpdk.org; Zhu, TaoX <taox....@intel.com>
> Subject: [PATCH v2] net/ice: support show RSS hash configuration
>
> From: Zhu Tao <taox....@intel.com>
>
> Implement interface 'ice_rss_hash_conf_get' to support show RSS hash
> configuration.
>
> Note:
> Not support the same time setting RSS with RTE and classify API.
Only return rss_hf from latest dev_configure or dev_rss_hash_update.
All configures from rte_flow are ignored.
And better to add above notes in ice_rss_hash_conf_get also.
Otherwise
Acked-by: Qi Zhang <qi.z.ah...@intel.com>
>
> Signed-off-by: Zhu Tao <taox....@intel.com>
> ---
> drivers/net/ice/ice_ethdev.c | 15 +++++++++++++--
> drivers/net/ice/ice_ethdev.h | 1 +
> 2 files changed, 14 insertions(+), 2 deletions(-)
>
> v2 changes:
> Committed log.
>
> diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index
> d51f3faba..ff8106317 100644
> --- a/drivers/net/ice/ice_ethdev.c
> +++ b/drivers/net/ice/ice_ethdev.c
> @@ -2923,6 +2923,16 @@ ice_rss_hash_set(struct ice_pf *pf, uint64_t rss_hf)
> struct ice_vsi *vsi = pf->main_vsi;
> int ret;
>
> +#define ICE_RSS_HF_ALL ( \
> + ETH_RSS_IPV4 | \
> + ETH_RSS_IPV6 | \
> + ETH_RSS_NONFRAG_IPV4_UDP | \
> + ETH_RSS_NONFRAG_IPV6_UDP | \
> + ETH_RSS_NONFRAG_IPV4_TCP | \
> + ETH_RSS_NONFRAG_IPV6_TCP | \
> + ETH_RSS_NONFRAG_IPV4_SCTP | \
> + ETH_RSS_NONFRAG_IPV6_SCTP)
> +
> /* Configure RSS for IPv4 with src/dst addr as input set */
> if (rss_hf & ETH_RSS_IPV4) {
> ret = ice_add_rss_cfg_wrap(pf, vsi->idx, ICE_FLOW_HASH_IPV4, @@
> -3216,6 +3226,8 @@ ice_rss_hash_set(struct ice_pf *pf, uint64_t rss_hf)
> PMD_DRV_LOG(ERR, "%s GTPU_EH_IPV6_SCTP rss flow fail
> %d",
> __func__, ret);
> }
> +
> + pf->rss_hf = rss_hf & ICE_RSS_HF_ALL;
> }
>
> static int ice_init_rss(struct ice_pf *pf) @@ -4439,8 +4451,7 @@
> ice_rss_hash_conf_get(struct rte_eth_dev *dev,
> ice_get_rss_key(vsi, rss_conf->rss_key,
> &rss_conf->rss_key_len);
>
> - /* TODO: default set to 0 as hf config is not supported now */
> - rss_conf->rss_hf = 0;
> + rss_conf->rss_hf = pf->rss_hf;
> return 0;
> }
>
> diff --git a/drivers/net/ice/ice_ethdev.h b/drivers/net/ice/ice_ethdev.h index
> 05218af05..452fd9050 100644
> --- a/drivers/net/ice/ice_ethdev.h
> +++ b/drivers/net/ice/ice_ethdev.h
> @@ -457,6 +457,7 @@ struct ice_pf {
> uint64_t old_rx_bytes;
> uint64_t old_tx_bytes;
> uint64_t supported_rxdid; /* bitmap for supported RXDID */
> + uint64_t rss_hf;
> };
>
> #define ICE_MAX_QUEUE_NUM 2048
> --
> 2.18.4
