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References: <20240312075238.3319480-1-huangdengdui@huawei.com>
<20240312075238.3319480-4-huangdengdui@huawei.com>
In-Reply-To: <20240312075238.3319480-4-huangdengdui@huawei.com>
From: Damodharam Ammepalli <damodharam.ammepalli@broadcom.com>
Date: Fri, 15 Mar 2024 14:47:38 -0700
Message-ID: <CAKSYD4x1K5NFBpwONzbm4tJTHbtKByAjk9xS__KNN_qUhbEdTg@mail.gmail.com>
Subject: Re: [PATCH 3/3] app/testpmd: support setting lanes
To: Dengdui Huang <huangdengdui@huawei.com>
Cc: dev@dpdk.org, ferruh.yigit@amd.com, aman.deep.singh@intel.com,
yuying.zhang@intel.com, thomas@monjalon.net, andrew.rybchenko@oktetlabs.ru,
liuyonglong@huawei.com, fengchengwen@huawei.com, haijie1@huawei.com,
lihuisong@huawei.com
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On Tue, Mar 12, 2024 at 12:52=E2=80=AFAM Dengdui Huang <huangdengdui@huawei=
.com> wrote:
>
> Extended speed command for setting lane number and
> Show info print lane number.
>
> Signed-off-by: Dengdui Huang <huangdengdui@huawei.com>
> ---
> app/test-pmd/cmdline.c | 110 +++++++++++---------
> app/test-pmd/config.c | 60 +++++++----
> doc/guides/rel_notes/release_24_03.rst | 1 +
> doc/guides/testpmd_app_ug/testpmd_funcs.rst | 3 +-
> 4 files changed, 103 insertions(+), 71 deletions(-)
>
> diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
> index f521a1fe9e..e66daf4bba 100644
> --- a/app/test-pmd/cmdline.c
> +++ b/app/test-pmd/cmdline.c
> @@ -1356,15 +1356,20 @@ struct cmd_config_speed_all {
> cmdline_fixed_string_t keyword;
> cmdline_fixed_string_t all;
> cmdline_fixed_string_t item1;
> + cmdline_fixed_string_t lanes_item;
> cmdline_fixed_string_t item2;
> cmdline_fixed_string_t value1;
> + uint8_t lanes_value;
> cmdline_fixed_string_t value2;
> };
>
> static int
> -parse_and_check_speed_duplex(char *speedstr, char *duplexstr, uint32_t *=
speed)
> +parse_and_check_speed_duplex(char *speedstr, uint8_t lanes, char *duplex=
str,
> + uint32_t *speed)
> {
>
We internally implemented a similar feature, without changing the
existing testpmd speed cmd.
Instead of modifying the existing command set we can have a separate
cmd for the lanes
configuration similar to FEC configuration. Our internal
implementation looks something like this,
without affecting existing implementations.
testpmd> port stop 0
testpmd> port config 0 speed_lanes 4
testpmd> port config 0 speed 200000 duplex full
testpmd> port start 0
testpmd> show port summary 0
Number of available ports: 2
Port MAC Address Name Driver Status Link La=
nes
0 14:23:F2:C3:BA:D2 0000:b1:00.0 net_bnxt up 200 Gbps 4
testpmd>
testpmd> show port info 0
********************* Infos for port 0 *********************
MAC address: 14:23:F2:C3:BA:D2
Device name: 0000:b1:00.0
Driver name: net_bnxt
Firmware-version: 228.9.115.0
Connect to socket: 2
memory allocation on the socket: 2
Link status: up
Link speed: 200 Gbps
Lanes: 4
Link duplex: full-duplex
Autoneg status: Off
> + uint32_t speed_num;
> + char *endptr;
> int duplex;
>
> if (!strcmp(duplexstr, "half")) {
> @@ -1378,47 +1383,22 @@ parse_and_check_speed_duplex(char *speedstr, char=
*duplexstr, uint32_t *speed)
> return -1;
> }
>
> - if (!strcmp(speedstr, "10")) {
> - *speed =3D (duplex =3D=3D RTE_ETH_LINK_HALF_DUPLEX) ?
> - RTE_ETH_LINK_SPEED_10M_HD : RTE_ETH_LINK_=
SPEED_10M;
> - } else if (!strcmp(speedstr, "100")) {
> - *speed =3D (duplex =3D=3D RTE_ETH_LINK_HALF_DUPLEX) ?
> - RTE_ETH_LINK_SPEED_100M_HD : RTE_ETH_LINK=
_SPEED_100M;
> - } else {
> - if (duplex !=3D RTE_ETH_LINK_FULL_DUPLEX) {
> - fprintf(stderr, "Invalid speed/duplex parameters\=
n");
> - return -1;
> - }
> - if (!strcmp(speedstr, "1000")) {
> - *speed =3D RTE_ETH_LINK_SPEED_1G;
> - } else if (!strcmp(speedstr, "2500")) {
> - *speed =3D RTE_ETH_LINK_SPEED_2_5G;
> - } else if (!strcmp(speedstr, "5000")) {
> - *speed =3D RTE_ETH_LINK_SPEED_5G;
> - } else if (!strcmp(speedstr, "10000")) {
> - *speed =3D RTE_ETH_LINK_SPEED_10G;
> - } else if (!strcmp(speedstr, "25000")) {
> - *speed =3D RTE_ETH_LINK_SPEED_25G;
> - } else if (!strcmp(speedstr, "40000")) {
> - *speed =3D RTE_ETH_LINK_SPEED_40G;
> - } else if (!strcmp(speedstr, "50000")) {
> - *speed =3D RTE_ETH_LINK_SPEED_50G;
> - } else if (!strcmp(speedstr, "100000")) {
> - *speed =3D RTE_ETH_LINK_SPEED_100G;
> - } else if (!strcmp(speedstr, "200000")) {
> - *speed =3D RTE_ETH_LINK_SPEED_200G;
> - } else if (!strcmp(speedstr, "400000")) {
> - *speed =3D RTE_ETH_LINK_SPEED_400G;
> - } else if (!strcmp(speedstr, "auto")) {
> - *speed =3D RTE_ETH_LINK_SPEED_AUTONEG;
> - } else {
> - fprintf(stderr, "Unknown speed parameter\n");
> - return -1;
> - }
> + if (!strcmp(speedstr, "auto")) {
> + *speed =3D RTE_ETH_LINK_SPEED_AUTONEG;
> + return 0;
> }
>
> - if (*speed !=3D RTE_ETH_LINK_SPEED_AUTONEG)
> - *speed |=3D RTE_ETH_LINK_SPEED_FIXED;
> + speed_num =3D strtol(speedstr, &endptr, 10);
> + if (*endptr !=3D '\0') {
> + fprintf(stderr, "Unknown speed parameter\n");
> + return -1;
> + }
> +
> + *speed =3D rte_eth_speed_bitflag(speed_num, lanes, duplex);
> + if (*speed =3D=3D 0) {
> + fprintf(stderr, "param error\n");
> + return -1;
> + }
>
> return 0;
> }
> @@ -1429,19 +1409,27 @@ cmd_config_speed_all_parsed(void *parsed_result,
> __rte_unused void *data)
> {
> struct cmd_config_speed_all *res =3D parsed_result;
> + struct rte_eth_dev_info dev_info;
> uint32_t link_speed;
> portid_t pid;
> + int ret;
>
> if (!all_ports_stopped()) {
> fprintf(stderr, "Please stop all ports first\n");
> return;
> }
>
> - if (parse_and_check_speed_duplex(res->value1, res->value2,
> - &link_speed) < 0)
> + if (parse_and_check_speed_duplex(res->value1, res->lanes_value,
> + res->value2, &link_speed) < 0)
> return;
>
> RTE_ETH_FOREACH_DEV(pid) {
> + ret =3D eth_dev_info_get_print_err(pid, &dev_info);
> + if (ret !=3D 0)
> + return;
> + if ((dev_info.dev_capa & RTE_ETH_DEV_CAPA_SETTING_LANES) =
=3D=3D 0)
> + fprintf(stderr, "The setting lane may not take ef=
fect because "
> + "the port (%u) does not support i=
t\n", pid);
> ports[pid].dev_conf.link_speeds =3D link_speed;
> }
>
> @@ -1460,6 +1448,11 @@ static cmdline_parse_token_string_t cmd_config_spe=
ed_all_item1 =3D
> static cmdline_parse_token_string_t cmd_config_speed_all_value1 =3D
> TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, value1,
> "10#100#1000#2500#5000#10000#25000#40000#=
50000#100000#200000#400000#auto");
> +static cmdline_parse_token_string_t cmd_config_speed_all_lanes_item =3D
> + TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, lanes_item,=
"lanes");
> +static cmdline_parse_token_num_t cmd_config_speed_all_lanes_value =3D
> + TOKEN_NUM_INITIALIZER(struct cmd_config_speed_all, lanes_value,
> + RTE_UINT8);
> static cmdline_parse_token_string_t cmd_config_speed_all_item2 =3D
> TOKEN_STRING_INITIALIZER(struct cmd_config_speed_all, item2, "dup=
lex");
> static cmdline_parse_token_string_t cmd_config_speed_all_value2 =3D
> @@ -1470,14 +1463,16 @@ static cmdline_parse_inst_t cmd_config_speed_all =
=3D {
> .f =3D cmd_config_speed_all_parsed,
> .data =3D NULL,
> .help_str =3D "port config all speed "
> - "10|100|1000|2500|5000|10000|25000|40000|50000|100000|200=
000|400000|auto duplex "
> - "half|full|auto",
> + "10|100|1000|2500|5000|10000|25000|40000|50000|100000|200=
000|400000|auto"
> + " lanes 1|2|4|8 duplex half|full|auto",
> .tokens =3D {
> (void *)&cmd_config_speed_all_port,
> (void *)&cmd_config_speed_all_keyword,
> (void *)&cmd_config_speed_all_all,
> (void *)&cmd_config_speed_all_item1,
> (void *)&cmd_config_speed_all_value1,
> + (void *)&cmd_config_speed_all_lanes_item,
> + (void *)&cmd_config_speed_all_lanes_value,
> (void *)&cmd_config_speed_all_item2,
> (void *)&cmd_config_speed_all_value2,
> NULL,
> @@ -1490,8 +1485,10 @@ struct cmd_config_speed_specific {
> cmdline_fixed_string_t keyword;
> portid_t id;
> cmdline_fixed_string_t item1;
> + cmdline_fixed_string_t lanes_item;
> cmdline_fixed_string_t item2;
> cmdline_fixed_string_t value1;
> + uint8_t lanes_value;
> cmdline_fixed_string_t value2;
> };
>
> @@ -1501,7 +1498,9 @@ cmd_config_speed_specific_parsed(void *parsed_resul=
t,
> __rte_unused void *data)
> {
> struct cmd_config_speed_specific *res =3D parsed_result;
> + struct rte_eth_dev_info dev_info;
> uint32_t link_speed;
> + int ret;
>
> if (port_id_is_invalid(res->id, ENABLED_WARN))
> return;
> @@ -1511,8 +1510,15 @@ cmd_config_speed_specific_parsed(void *parsed_resu=
lt,
> return;
> }
>
> - if (parse_and_check_speed_duplex(res->value1, res->value2,
> - &link_speed) < 0)
> + ret =3D eth_dev_info_get_print_err(res->id, &dev_info);
> + if (ret !=3D 0)
> + return;
> + if ((dev_info.dev_capa & RTE_ETH_DEV_CAPA_SETTING_LANES) =3D=3D 0=
)
> + fprintf(stderr, "The setting lane may not take effect bec=
ause "
> + "the port (%d) does not support it\n", re=
s->id);
> +
> + if (parse_and_check_speed_duplex(res->value1, res->lanes_value,
> + res->value2, &link_speed) < 0)
> return;
>
> ports[res->id].dev_conf.link_speeds =3D link_speed;
> @@ -1535,6 +1541,12 @@ static cmdline_parse_token_string_t cmd_config_spe=
ed_specific_item1 =3D
> static cmdline_parse_token_string_t cmd_config_speed_specific_value1 =3D
> TOKEN_STRING_INITIALIZER(struct cmd_config_speed_specific, value1=
,
> "10#100#1000#2500#5000#10000#25000#40000#=
50000#100000#200000#400000#auto");
> +static cmdline_parse_token_string_t cmd_config_speed_specific_lanes_item=
=3D
> + TOKEN_STRING_INITIALIZER(struct cmd_config_speed_specific, lanes_=
item,
> + "lanes");
> +static cmdline_parse_token_num_t cmd_config_speed_specific_lanes_value =
=3D
> + TOKEN_NUM_INITIALIZER(struct cmd_config_speed_specific, lanes_val=
ue,
> + RTE_UINT8);
> static cmdline_parse_token_string_t cmd_config_speed_specific_item2 =3D
> TOKEN_STRING_INITIALIZER(struct cmd_config_speed_specific, item2,
> "duplex")=
;
> @@ -1546,14 +1558,16 @@ static cmdline_parse_inst_t cmd_config_speed_spec=
ific =3D {
> .f =3D cmd_config_speed_specific_parsed,
> .data =3D NULL,
> .help_str =3D "port config <port_id> speed "
> - "10|100|1000|2500|5000|10000|25000|40000|50000|100000|200=
000|400000|auto duplex "
> - "half|full|auto",
> + "10|100|1000|2500|5000|10000|25000|40000|50000|100000|200=
000|400000|auto"
> + " lanes 1|2|4|8 duplex half|full|auto",
> .tokens =3D {
> (void *)&cmd_config_speed_specific_port,
> (void *)&cmd_config_speed_specific_keyword,
> (void *)&cmd_config_speed_specific_id,
> (void *)&cmd_config_speed_specific_item1,
> (void *)&cmd_config_speed_specific_value1,
> + (void *)&cmd_config_speed_specific_lanes_item,
> + (void *)&cmd_config_speed_specific_lanes_value,
> (void *)&cmd_config_speed_specific_item2,
> (void *)&cmd_config_speed_specific_value2,
> NULL,
> diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
> index 968d2164ab..c104327878 100644
> --- a/app/test-pmd/config.c
> +++ b/app/test-pmd/config.c
> @@ -587,39 +587,51 @@ device_infos_display_speeds(uint32_t speed_capa)
> if (speed_capa =3D=3D RTE_ETH_LINK_SPEED_AUTONEG)
> printf(" Autonegotiate (all speeds)");
> if (speed_capa & RTE_ETH_LINK_SPEED_FIXED)
> - printf(" Disable autonegotiate (fixed speed) ");
> + printf(" Disable autonegotiate (fixed speed) /");
> if (speed_capa & RTE_ETH_LINK_SPEED_10M_HD)
> - printf(" 10 Mbps half-duplex ");
> + printf(" 10Mbps_1lane_half-duplex /");
> if (speed_capa & RTE_ETH_LINK_SPEED_10M)
> - printf(" 10 Mbps full-duplex ");
> + printf(" 10Mbps_1lane_full-duplex /");
> if (speed_capa & RTE_ETH_LINK_SPEED_100M_HD)
> - printf(" 100 Mbps half-duplex ");
> + printf(" 100Mbps_lane_half-duplex /");
> if (speed_capa & RTE_ETH_LINK_SPEED_100M)
> - printf(" 100 Mbps full-duplex ");
> + printf(" 100Mbps_1lane_full-duplex /");
> if (speed_capa & RTE_ETH_LINK_SPEED_1G)
> - printf(" 1 Gbps ");
> + printf(" 1Gbps_1lane_full-duplex /");
> if (speed_capa & RTE_ETH_LINK_SPEED_2_5G)
> - printf(" 2.5 Gbps ");
> + printf(" 2.5Gbps_1lane_full-duplex /");
> if (speed_capa & RTE_ETH_LINK_SPEED_5G)
> - printf(" 5 Gbps ");
> + printf(" 5Gbps_1lane_full-duplex /");
> if (speed_capa & RTE_ETH_LINK_SPEED_10G)
> - printf(" 10 Gbps ");
> - if (speed_capa & RTE_ETH_LINK_SPEED_20G)
> - printf(" 20 Gbps ");
> + printf(" 10Gbps_1lane_full-duplex /");
> + if (speed_capa & RTE_ETH_LINK_SPEED_10G_4LANES)
> + printf(" 10Gbps_4lane_full-duplex /");
> + if (speed_capa & RTE_ETH_LINK_SPEED_20G_2LANES)
> + printf(" 20Gbps_2lane_full-duplex /");
> if (speed_capa & RTE_ETH_LINK_SPEED_25G)
> - printf(" 25 Gbps ");
> - if (speed_capa & RTE_ETH_LINK_SPEED_40G)
> - printf(" 40 Gbps ");
> + printf(" 25Gbps_1lane_full-duplex /");
> + if (speed_capa & RTE_ETH_LINK_SPEED_40G_4LANES)
> + printf(" 40Gbps_4lane_full-duplex /");
> if (speed_capa & RTE_ETH_LINK_SPEED_50G)
> - printf(" 50 Gbps ");
> - if (speed_capa & RTE_ETH_LINK_SPEED_56G)
> - printf(" 56 Gbps ");
> + printf(" 50Gbps_1lane_full-duplex /");
> + if (speed_capa & RTE_ETH_LINK_SPEED_50G_2LANES)
> + printf(" 50Gbps_2lane_full-duplex /");
> + if (speed_capa & RTE_ETH_LINK_SPEED_56G_4LANES)
> + printf(" 56Gbps_4lane_full-duplex /");
> if (speed_capa & RTE_ETH_LINK_SPEED_100G)
> - printf(" 100 Gbps ");
> - if (speed_capa & RTE_ETH_LINK_SPEED_200G)
> - printf(" 200 Gbps ");
> - if (speed_capa & RTE_ETH_LINK_SPEED_400G)
> - printf(" 400 Gbps ");
> + printf(" 100Gbps_1lane_full-duplex /");
> + if (speed_capa & RTE_ETH_LINK_SPEED_100G_2LANES)
> + printf(" 100Gbps_2lane_full-duplex /");
> + if (speed_capa & RTE_ETH_LINK_SPEED_100G_4LANES)
> + printf(" 100Gbps_4lane_full-duplex /");
> + if (speed_capa & RTE_ETH_LINK_SPEED_200G_4LANES)
> + printf(" 200Gbps_4lane_full-duplex /");
> + if (speed_capa & RTE_ETH_LINK_SPEED_200G_2LANES)
> + printf(" 200Gbps_2lane_full-duplex /");
> + if (speed_capa & RTE_ETH_LINK_SPEED_400G_4LANES)
> + printf(" 400Gbps_4lane_full-duplex /");
> + if (speed_capa & RTE_ETH_LINK_SPEED_400G_8LANES)
> + printf(" 400Gbps_8lane_full-duplex /");
> }
>
> void
> @@ -828,6 +840,10 @@ port_infos_display(portid_t port_id)
>
> printf("\nLink status: %s\n", (link.link_status) ? ("up") : ("dow=
n"));
> printf("Link speed: %s\n", rte_eth_link_speed_to_str(link.link_sp=
eed));
> + if (link.link_lanes =3D=3D 0)
> + printf("Link lanes: unknown\n");
> + else
> + printf("Link lanes: %u\n", link.link_lanes);
> printf("Link duplex: %s\n", (link.link_duplex =3D=3D RTE_ETH_LINK=
_FULL_DUPLEX) ?
> ("full-duplex") : ("half-duplex"));
> printf("Autoneg status: %s\n", (link.link_autoneg =3D=3D RTE_ETH_=
LINK_AUTONEG) ?
> diff --git a/doc/guides/rel_notes/release_24_03.rst b/doc/guides/rel_note=
s/release_24_03.rst
> index c17334ac25..46aceeee93 100644
> --- a/doc/guides/rel_notes/release_24_03.rst
> +++ b/doc/guides/rel_notes/release_24_03.rst
> @@ -79,6 +79,7 @@ New Features
> * **Support setting lanes for ethdev.**
> * Support setting lanes by extended ``RTE_ETH_LINK_SPEED_*``.
> * Added function to convert bitmap flag to the struct of link speed in=
fo.
> + ``rte_eth_speed_capa_to_info()``
>
> * **Added hash calculation of an encapsulated packet as done by the HW.*=
*
>
> diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/tes=
tpmd_app_ug/testpmd_funcs.rst
> index 2fbf9220d8..087f7fe853 100644
> --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
> +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
> @@ -190,6 +190,7 @@ For example:
> memory allocation on the socket: 0
> Link status: up
> Link speed: 40000 Mbps
> + Link lanes: 4
> Link duplex: full-duplex
> Promiscuous mode: enabled
> Allmulticast mode: disabled
> @@ -2065,7 +2066,7 @@ port config - speed
> Set the speed and duplex mode for all ports or a specific port::
>
> testpmd> port config (port_id|all) speed (10|100|1000|2500|5000|10000=
|25000|40000|50000|100000|200000|400000|auto) \
> - duplex (half|full|auto)
> + lanes 1|2|4|8 duplex (half|full|auto)
>
> port config - queues/descriptors
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> --
> 2.33.0
>
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