From: Jerin Jacob <jerinjacobk@gmail.com>
To: Pavan Nikhilesh <pbhagavatula@marvell.com>
Cc: Jerin Jacob <jerinj@marvell.com>,
John McNamara <john.mcnamara@intel.com>,
Marko Kovacevic <marko.kovacevic@intel.com>,
dpdk-dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2] app/test-eventdev: add options to set mbuf and pkt size
Date: Wed, 2 Oct 2019 20:49:54 +0530 [thread overview]
Message-ID: <CALBAE1MUcOsZhdEuwMgkp2HPC1GLDVPG-Z+ZbDo=2y5hUZOzEQ@mail.gmail.com> (raw)
In-Reply-To: <20190930164841.580-1-pbhagavatula@marvell.com>
On Mon, Sep 30, 2019 at 10:18 PM <pbhagavatula@marvell.com> wrote:
>
> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
>
> Add options to set mbuf size and max packet size which allow the user to
> enable jumbo frames and Rx/Tx scatter gather.
> Arrange `struct evt_options` based on ascending order of data type to
> make it more readable.
>
> Packet mbuf size can be modified by using `--mbuf_sz=N`.
> Max packet size can be modified by using `--max_pkt_sz=N`.
> These options are only applicable `pipeline_atq` and `pipeline_queue`
> tests.
>
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
> ---
>
> v2 Changes:
> - Update doc/guides/tools/testeventdev.rst.
> - Justify changes to struct evt_options.
>
> app/test-eventdev/evt_common.h | 30 ++++++++++---------
> app/test-eventdev/evt_options.c | 28 ++++++++++++++++-
> app/test-eventdev/evt_options.h | 2 ++
> app/test-eventdev/test_pipeline_common.c | 38 ++++++++++++++++++++++--
> doc/guides/tools/testeventdev.rst | 10 +++++++
> 5 files changed, 90 insertions(+), 18 deletions(-)
>
> diff --git a/app/test-eventdev/evt_common.h b/app/test-eventdev/evt_common.h
> index 1c3522ff4..f9d7378d3 100644
> --- a/app/test-eventdev/evt_common.h
> +++ b/app/test-eventdev/evt_common.h
> @@ -47,28 +47,30 @@ struct evt_options {
> char test_name[EVT_TEST_NAME_MAX_LEN];
> bool plcores[RTE_MAX_LCORE];
> bool wlcores[RTE_MAX_LCORE];
> - uint8_t sched_type_list[EVT_MAX_STAGES];
> - uint32_t nb_flows;
> - int socket_id;
> int pool_sz;
> + int socket_id;
> int nb_stages;
> int verbose_level;
> - uint64_t nb_pkts;
> + uint8_t dev_id;
> + uint8_t timdev_cnt;
> uint8_t nb_timer_adptrs;
> - uint64_t nb_timers;
> - uint64_t timer_tick_nsec;
> - uint64_t optm_timer_tick_nsec;
> - uint64_t max_tmo_nsec;
> - uint64_t expiry_nsec;
> + uint8_t timdev_use_burst;
> + uint8_t sched_type_list[EVT_MAX_STAGES];
> + uint16_t mbuf_sz;
> uint16_t wkr_deq_dep;
> - uint8_t dev_id;
> + uint32_t nb_flows;
> uint32_t tx_first;
> - uint32_t fwd_latency:1;
> - uint32_t q_priority:1;
> + uint32_t max_pkt_sz;
> uint32_t deq_tmo_nsec;
> + uint32_t q_priority:1;
> + uint32_t fwd_latency:1;
> + uint64_t nb_pkts;
> + uint64_t nb_timers;
> + uint64_t expiry_nsec;
> + uint64_t max_tmo_nsec;
> + uint64_t timer_tick_nsec;
> + uint64_t optm_timer_tick_nsec;
> enum evt_prod_type prod_type;
> - uint8_t timdev_use_burst;
> - uint8_t timdev_cnt;
> };
>
> static inline bool
> diff --git a/app/test-eventdev/evt_options.c b/app/test-eventdev/evt_options.c
> index 46c074fea..c60b61a90 100644
> --- a/app/test-eventdev/evt_options.c
> +++ b/app/test-eventdev/evt_options.c
> @@ -233,6 +233,26 @@ evt_parse_work_lcores(struct evt_options *opt, const char *corelist)
> return ret;
> }
>
> +static int
> +evt_parse_mbuf_sz(struct evt_options *opt, const char *arg)
> +{
> + int ret;
> +
> + ret = parser_read_uint16(&(opt->mbuf_sz), arg);
> +
> + return ret;
> +}
> +
> +static int
> +evt_parse_max_pkt_sz(struct evt_options *opt, const char *arg)
> +{
> + int ret;
> +
> + ret = parser_read_uint32(&(opt->max_pkt_sz), arg);
> +
> + return ret;
> +}
> +
> static void
> usage(char *program)
> {
> @@ -262,7 +282,9 @@ usage(char *program)
> "\t--nb_timer_adptrs : number of timer adapters to use.\n"
> "\t--timer_tick_nsec : timer tick interval in ns.\n"
> "\t--max_tmo_nsec : max timeout interval in ns.\n"
> - "\t--expiry_nsec : event timer expiry ns.\n"
> + "\t--expiry_nsec : event timer expiry ns.\n"
> + "\t--mbuf_sz : packet mbuf size.\n"
> + "\t--max_pkt_sz : max packet size.\n"
> );
> printf("available tests:\n");
> evt_test_dump_names();
> @@ -332,6 +354,8 @@ static struct option lgopts[] = {
> { EVT_TIMER_TICK_NSEC, 1, 0, 0 },
> { EVT_MAX_TMO_NSEC, 1, 0, 0 },
> { EVT_EXPIRY_NSEC, 1, 0, 0 },
> + { EVT_MBUF_SZ, 1, 0, 0 },
> + { EVT_MAX_PKT_SZ, 1, 0, 0 },
> { EVT_HELP, 0, 0, 0 },
> { NULL, 0, 0, 0 }
> };
> @@ -364,6 +388,8 @@ evt_opts_parse_long(int opt_idx, struct evt_options *opt)
> { EVT_TIMER_TICK_NSEC, evt_parse_timer_tick_nsec},
> { EVT_MAX_TMO_NSEC, evt_parse_max_tmo_nsec},
> { EVT_EXPIRY_NSEC, evt_parse_expiry_nsec},
> + { EVT_MBUF_SZ, evt_parse_mbuf_sz},
> + { EVT_MAX_PKT_SZ, evt_parse_max_pkt_sz},
> };
>
> for (i = 0; i < RTE_DIM(parsermap); i++) {
> diff --git a/app/test-eventdev/evt_options.h b/app/test-eventdev/evt_options.h
> index 845d3199a..cb1d3760d 100644
> --- a/app/test-eventdev/evt_options.h
> +++ b/app/test-eventdev/evt_options.h
> @@ -40,6 +40,8 @@
> #define EVT_TIMER_TICK_NSEC ("timer_tick_nsec")
> #define EVT_MAX_TMO_NSEC ("max_tmo_nsec")
> #define EVT_EXPIRY_NSEC ("expiry_nsec")
> +#define EVT_MBUF_SZ ("mbuf_sz")
> +#define EVT_MAX_PKT_SZ ("max_pkt_sz")
> #define EVT_HELP ("help")
>
> void evt_options_default(struct evt_options *opt);
> diff --git a/app/test-eventdev/test_pipeline_common.c b/app/test-eventdev/test_pipeline_common.c
> index 16c49b860..497cb667d 100644
> --- a/app/test-eventdev/test_pipeline_common.c
> +++ b/app/test-eventdev/test_pipeline_common.c
> @@ -165,7 +165,6 @@ pipeline_ethdev_setup(struct evt_test *test, struct evt_options *opt)
> struct rte_eth_conf port_conf = {
> .rxmode = {
> .mq_mode = ETH_MQ_RX_RSS,
> - .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
> },
> .rx_adv_conf = {
> .rss_conf = {
> @@ -175,12 +174,21 @@ pipeline_ethdev_setup(struct evt_test *test, struct evt_options *opt)
> },
> };
>
> - RTE_SET_USED(opt);
> if (!rte_eth_dev_count_avail()) {
> evt_err("No ethernet ports found.");
> return -ENODEV;
> }
>
> + if (opt->max_pkt_sz < RTE_ETHER_MIN_LEN) {
> + evt_err("max_pkt_sz can not be less than %d",
> + RTE_ETHER_MIN_LEN);
> + return -EINVAL;
> + }
> +
> + port_conf.rxmode.max_rx_pkt_len = opt->max_pkt_sz;
> + if (opt->max_pkt_sz > RTE_ETHER_MAX_LEN)
> + port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
> +
> t->internal_port = 1;
> RTE_ETH_FOREACH_DEV(i) {
> struct rte_eth_dev_info dev_info;
> @@ -404,12 +412,36 @@ int
> pipeline_mempool_setup(struct evt_test *test, struct evt_options *opt)
> {
> struct test_pipeline *t = evt_test_priv(test);
> + int i;
> +
> + if (!opt->mbuf_sz)
> + opt->mbuf_sz = RTE_MBUF_DEFAULT_BUF_SIZE;
> +
> + if (!opt->max_pkt_sz)
> + opt->max_pkt_sz = RTE_ETHER_MAX_LEN;
> +
> + RTE_ETH_FOREACH_DEV(i) {
> + struct rte_eth_dev_info dev_info;
> + uint16_t data_size = 0;
> +
> + memset(&dev_info, 0, sizeof(dev_info));
> + rte_eth_dev_info_get(i, &dev_info);
> + if (dev_info.rx_desc_lim.nb_mtu_seg_max != UINT16_MAX &&
> + dev_info.rx_desc_lim.nb_mtu_seg_max != 0) {
> + data_size = opt->max_pkt_sz /
> + dev_info.rx_desc_lim.nb_mtu_seg_max;
> + data_size += RTE_PKTMBUF_HEADROOM;
> +
> + if (data_size > opt->mbuf_sz)
> + opt->mbuf_sz = data_size;
> + }
> + }
>
> t->pool = rte_pktmbuf_pool_create(test->name, /* mempool name */
> opt->pool_sz, /* number of elements*/
> 512, /* cache size*/
> 0,
> - RTE_MBUF_DEFAULT_BUF_SIZE,
> + opt->mbuf_sz,
> opt->socket_id); /* flags */
>
> if (t->pool == NULL) {
> diff --git a/doc/guides/tools/testeventdev.rst b/doc/guides/tools/testeventdev.rst
> index db5c4378b..2ed67a634 100644
> --- a/doc/guides/tools/testeventdev.rst
> +++ b/doc/guides/tools/testeventdev.rst
> @@ -161,6 +161,16 @@ The following are the application command-line options:
> timeout is out of the supported range of event device it will be
> adjusted to the highest/lowest supported dequeue timeout supported.
>
> +* ``--mbuf_sz``
> +
> + Set packet mbuf size. Can be used to configure Jumbo Frames. Only
> + applicable for `pipeline_atq` and `pipeline_queue` tests.
> +
> +* ``--max_pkt_sz``
> +
> + Set max packet mbuf size. Can be used configure Rx/Tx scatter gather.
> + Only applicable for `pipeline_atq` and `pipeline_queue` tests.
> +
>
> Eventdev Tests
> --------------
> --
> 2.17.1
>
next prev parent reply other threads:[~2019-10-02 15:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-22 5:12 [dpdk-dev] [PATCH] " pbhagavatula
2019-09-23 7:34 ` Jerin Jacob
2019-09-30 16:48 ` [dpdk-dev] [PATCH v2] " pbhagavatula
2019-10-02 15:19 ` Jerin Jacob [this message]
2019-10-03 3:32 ` Jerin Jacob
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