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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH 02/12] net/bnxt: fix rxq/txq get information X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 9/9/2020 4:52 PM, Lance Richardson wrote: > Return correct values for Rx/Tx offloads and for rx_drop_en. > > Fixes: 2fc201884be8 ("net/bnxt: support rxq/txq get information") > Reviewed-by: Ajit Kumar Khaparde > Signed-off-by: Lance Richardson > Cc: stable@dpdk.org > --- > drivers/net/bnxt/bnxt_ethdev.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c > index 7a77922c0c..5585f872d0 100644 > --- a/drivers/net/bnxt/bnxt_ethdev.c > +++ b/drivers/net/bnxt/bnxt_ethdev.c > @@ -2588,8 +2588,9 @@ bnxt_rxq_info_get_op(struct rte_eth_dev *dev, uint16_t queue_id, > qinfo->nb_desc = rxq->nb_rx_desc; > > qinfo->conf.rx_free_thresh = rxq->rx_free_thresh; > - qinfo->conf.rx_drop_en = 0; > + qinfo->conf.rx_drop_en = 1; Why 0 is wrong but 1 is correct? Technically 'rx_drop_en' is a user configuration, which is set via 'rte_eth_rx_queue_setup()' API. bnxt seems not honoring this config option at all. Based on HW capability, I think two things can be done, 1) Configure the HW based on config request, and return configured value in 'bnxt_rxq_info_get_op()'. see 'ixgbe'. 2) If HW is not configurable, check the value in 'rte_eth_rx_queue_setup()' a) return error if unsupported value requested. see 'sfc'. b) log a warning and overwrite the requested config with whatever supported. And for both a & b, return current config in the 'bnxt_rxq_info_get_op()' > qinfo->conf.rx_deferred_start = rxq->rx_deferred_start; > + qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads; This is for queue specific offloads, you are returning port offloads. As far as I can see bnxt doesn't have any queue specific offload, so this can be dropped.