Hi Xiaoyu,
> -----Original Message-----
> From: Xiaoyu Min <jack...@mellanox.com>
> Sent: Wednesday, April 29, 2020 2:04 PM
> To: Lu, Wenzhuo <wenzhuo...@intel.com>; Wu, Jingjing
> <jingjing...@intel.com>; Iremonger, Bernard
> <bernard.iremon...@intel.com>; Mcnamara, John
> <john.mcnam...@intel.com>; Kovacevic, Marko
> <marko.kovace...@intel.com>
> Cc: dev@dpdk.org
> Subject: [PATCH] app/testpmd: add cmdline option to set Rx mq mode
>
> One new cmdline option `--rx-mq-mode` is added in order to have the
> possibility to check whether PMD handle the mq mode correctly or not.
>
> The reason is some NICs need to do different settings based on different RX
> mq mode, i.e RSS or not.
>
> With this support in testpmd, the above scenario can be tested easily.
>
> Signed-off-by: Xiaoyu Min <jack...@mellanox.com>
> ---
> app/test-pmd/parameters.c | 12 ++++++++++++
> app/test-pmd/testpmd.c | 17 ++++++++++++++---
> app/test-pmd/testpmd.h | 3 +++
> doc/guides/testpmd_app_ug/run_app.rst | 7 +++++++
> 4 files changed, 36 insertions(+), 3 deletions(-)
>
> diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c index
> 30c1753c32..a9dd58e96b 100644
> --- a/app/test-pmd/parameters.c
> +++ b/app/test-pmd/parameters.c
> @@ -212,6 +212,7 @@ usage(char* progname)
> printf(" --noisy-lkup-num-writes=N: do N random reads and writes
> per packet\n");
> printf(" --no-iova-contig: mempool memory can be IOVA non
> contiguous. "
> "valid only with --mp-alloc=anon\n");
> + printf(" --rx-mq-mode=0xX: hexadecimal bitmask of RX mq
> mode\n");
> }
>
> #ifdef RTE_LIBRTE_CMDLINE
> @@ -670,6 +671,7 @@ launch_args_parse(int argc, char** argv)
> { "noisy-lkup-num-reads", 1, 0, 0 },
> { "noisy-lkup-num-reads-writes", 1, 0, 0 },
> { "no-iova-contig", 0, 0, 0 },
> + { "rx-mq-mode", 1, 0, 0 },
> { 0, 0, 0, 0 },
> };
>
> @@ -1363,6 +1365,16 @@ launch_args_parse(int argc, char** argv)
> }
> if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
> mempool_flags =
> MEMPOOL_F_NO_IOVA_CONTIG;
> +
> + if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
> + char *end = NULL;
> + n = strtoul(optarg, &end, 16);
> + if (n >= 0)
> + rx_mq_mode = (enum
> rte_eth_rx_mq_mode)n;
> + else
> + rte_exit(EXIT_FAILURE,
> + "rx-mq-mode must be >=
> 0\n");
> + }
> break;
> case 'h':
> usage(argv[0]);
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index
> 99bacddbfd..9536d6ee27 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -482,6 +482,11 @@ uint8_t bitrate_enabled; struct gro_status
> gro_ports[RTE_MAX_ETHPORTS]; uint8_t gro_flush_cycles =
> GRO_DEFAULT_FLUSH_CYCLES;
>
> +/*
> + * RX mq mode value set in the commandline */ enum
> rte_eth_rx_mq_mode
> +rx_mq_mode = ETH_MQ_RX_VMDQ_DCB_RSS;
> +
> /* Forward function declarations */
> static void setup_attached_port(portid_t pi); static void
> map_port_queue_stats_mapping_registers(portid_t pi, @@ -3337,7 +3342,9
> @@ init_port_config(void)
>
> if (port->dcb_flag == 0) {
> if( port->dev_conf.rx_adv_conf.rss_conf.rss_hf != 0)
> - port->dev_conf.rxmode.mq_mode =
> ETH_MQ_RX_RSS;
> + port->dev_conf.rxmode.mq_mode =
> + (enum rte_eth_rx_mq_mode)
> + (rx_mq_mode &
> ETH_MQ_RX_RSS);
> else
> port->dev_conf.rxmode.mq_mode =
> ETH_MQ_RX_NONE;
> }
> @@ -3438,7 +3445,9 @@ get_eth_dcb_conf(portid_t pid, struct
> rte_eth_conf *eth_conf,
> }
>
> /* set DCB mode of RX and TX of multiple queues */
> - eth_conf->rxmode.mq_mode = ETH_MQ_RX_VMDQ_DCB;
> + eth_conf->rxmode.mq_mode =
> + (enum rte_eth_rx_mq_mode)
> + (rx_mq_mode &
> ETH_MQ_RX_VMDQ_DCB);
> eth_conf->txmode.mq_mode = ETH_MQ_TX_VMDQ_DCB;
> } else {
> struct rte_eth_dcb_rx_conf *rx_conf = @@ -3458,7 +3467,9
> @@ get_eth_dcb_conf(portid_t pid, struct rte_eth_conf *eth_conf,
> tx_conf->dcb_tc[i] = i % num_tcs;
> }
>
> - eth_conf->rxmode.mq_mode = ETH_MQ_RX_DCB_RSS;
> + eth_conf->rxmode.mq_mode =
> + (enum rte_eth_rx_mq_mode)
> + (rx_mq_mode &
> ETH_MQ_RX_DCB_RSS);
> eth_conf->rx_adv_conf.rss_conf = rss_conf;
> eth_conf->txmode.mq_mode = ETH_MQ_TX_DCB;
> }
> diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h index
> 7ff4c5dba3..32bb324c94 100644
> --- a/app/test-pmd/testpmd.h
> +++ b/app/test-pmd/testpmd.h
> @@ -602,6 +602,9 @@ struct mplsoudp_decap_conf { }; extern struct
> mplsoudp_decap_conf mplsoudp_decap_conf;
>
> +/* RX mq mode parameter. */
> +extern enum rte_eth_rx_mq_mode rx_mq_mode;
> +
> static inline unsigned int
> lcore_num(void)
> {
> diff --git a/doc/guides/testpmd_app_ug/run_app.rst
> b/doc/guides/testpmd_app_ug/run_app.rst
> index 727ef52b8f..4f46299e68 100644
> --- a/doc/guides/testpmd_app_ug/run_app.rst
> +++ b/doc/guides/testpmd_app_ug/run_app.rst
> @@ -481,3 +481,10 @@ The command line options are:
>
> Enable to create mempool which is not IOVA contiguous. Valid only with --
> mp-alloc=anon.
> The default value is 0.
> +
> +* ``--rx-mq-mode``
> +
> + Set the hexadecimal bitmask of RX queue mq mode.
> + The default value is 0x7::
> +
> + ETH_MQ_RX_RSS_FLAG | ETH_MQ_RX_DCB_FLAG |
> ETH_MQ_RX_VMDQ_FLAG
> --
> 2.26.0
Should there be an update to the release notes to announce this new tespmd
command line option?
Regards,
Bernard.
