[dpdk-dev] [PATCH v2] examples/flow_filtering: add Tx queues setup process
Zhang, Helin
helin.zhang at intel.com
Mon Jan 8 07:31:35 CET 2018
> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Ori Kam
> Sent: Wednesday, December 27, 2017 7:53 PM
> To: Zhao1, Wei; dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v2] examples/flow_filtering: add Tx queues
> setup process
>
>
>
> > -----Original Message-----
> > From: Wei Zhao [mailto:wei.zhao1 at intel.com]
> > Sent: Wednesday, December 27, 2017 10:32 AM
> > To: dev at dpdk.org
> > Cc: Ori Kam <orika at mellanox.com>; Wei Zhao <wei.zhao1 at intel.com>
> > Subject: [PATCH v2] examples/flow_filtering: add Tx queues setup
> > process
> >
> > This example do not has the process of set up tx queues, but some NIC
> > start up process will be blocked if this is no tx queue and only rx
> > queues. So add tx queues setup process in main code.
> >
> > Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
> >
> > ---
> >
> > v2:
> > -add support the new tx offloads.
> > ---
> > examples/flow_filtering/main.c | 26 ++++++++++++++++++++++++++
> > 1 file changed, 26 insertions(+)
> >
> > diff --git a/examples/flow_filtering/main.c
> > b/examples/flow_filtering/main.c index 7d739b4..4a07b63 100644
> > --- a/examples/flow_filtering/main.c
> > +++ b/examples/flow_filtering/main.c
> > @@ -149,7 +149,18 @@ init_port(void)
> > /**< CRC stripped by hardware */
> > .hw_strip_crc = 1,
> > },
> > + .txmode = {
> > + .offloads =
> > + DEV_TX_OFFLOAD_VLAN_INSERT |
> > + DEV_TX_OFFLOAD_IPV4_CKSUM |
> > + DEV_TX_OFFLOAD_UDP_CKSUM |
> > + DEV_TX_OFFLOAD_TCP_CKSUM |
> > + DEV_TX_OFFLOAD_SCTP_CKSUM |
> > + DEV_TX_OFFLOAD_TCP_TSO,
> > + },
> > };
> > + struct rte_eth_txconf txq_conf;
> > + struct rte_eth_dev_info dev_info;
> >
> > printf(":: initializing port: %d\n", port_id);
> > ret = rte_eth_dev_configure(port_id, @@ -173,6 +184,21 @@
> > init_port(void)
> > }
> > }
> >
> > + rte_eth_dev_info_get(port_id, &dev_info);
> > + txq_conf = dev_info.default_txconf;
> > + txq_conf.offloads = port_conf.txmode.offloads;
> > +
> > + for (i = 0; i < nr_queues; i++) {
> > + ret = rte_eth_tx_queue_setup(port_id, i, 512,
> > + rte_eth_dev_socket_id(port_id),
> > + &txq_conf);
> > + if (ret < 0) {
> > + rte_exit(EXIT_FAILURE,
> > + ":: Tx queue setup failed: err=%d,
> > port=%u\n",
> > + ret, port_id);
> > + }
> > + }
> > +
> > rte_eth_promiscuous_enable(port_id);
> > ret = rte_eth_dev_start(port_id);
> > if (ret < 0) {
> > --
> > 2.9.3
>
> Acked-by: Ori Kam <orika at mellanox.com>
Applied to dpdk-next-net-intel, thanks!
/Helin
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