[dpdk-dev] [PATCH 2/2] app/testpmd: add command to resume a TM node
Tomasz Duszynski
tdu at semihalf.com
Mon Feb 19 08:17:14 CET 2018
On Fri, Feb 16, 2018 at 01:10:39PM +0000, Singh, Jasvinder wrote:
>
>
> > -----Original Message-----
> > From: Tomasz Duszynski [mailto:tdu at semihalf.com]
> > Sent: Thursday, February 1, 2018 9:37 AM
> > To: dev at dpdk.org
> > Cc: Lu, Wenzhuo <wenzhuo.lu at intel.com>; Wu, Jingjing
> > <jingjing.wu at intel.com>; Singh, Jasvinder <jasvinder.singh at intel.com>;
> > Tomasz Duszynski <tdu at semihalf.com>
> > Subject: [PATCH 2/2] app/testpmd: add command to resume a TM node
> >
> > Traffic manager provides an API for resuming an arbitrary node in a
> > hierarchy.
> >
> > This commit adds support for calling this API from testpmd.
> >
> > Signed-off-by: Tomasz Duszynski <tdu at semihalf.com>
> > ---
> > app/test-pmd/cmdline.c | 4 ++
> > app/test-pmd/cmdline_tm.c | 70
> > +++++++++++++++++++++++++++++
> > app/test-pmd/cmdline_tm.h | 1 +
> > doc/guides/testpmd_app_ug/testpmd_funcs.rst | 5 +++
> > 4 files changed, 80 insertions(+)
> >
> > diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index
> > 6bbd606..f9827f6 100644
> > --- a/app/test-pmd/cmdline.c
> > +++ b/app/test-pmd/cmdline.c
> > @@ -800,6 +800,9 @@ static void cmd_help_long_parsed(void
> > *parsed_result,
> > "suspend port tm node (port_id) (node_id)"
> > " Suspend tm node.\n\n"
> >
> > + "resume port tm node (port_id) (node_id)"
> > + " Resume tm node.\n\n"
> > +
> > "port tm hierarchy commit (port_id)
> > (clean_on_fail)\n"
> > " Commit tm hierarchy.\n\n"
> >
> > @@ -16251,6 +16254,7 @@ cmdline_parse_ctx_t main_ctx[] = {
> > (cmdline_parse_inst_t *)&cmd_del_port_tm_node,
> > (cmdline_parse_inst_t *)&cmd_set_port_tm_node_parent,
> > (cmdline_parse_inst_t *)&cmd_suspend_port_tm_node,
> > + (cmdline_parse_inst_t *)&cmd_resume_port_tm_node,
> > (cmdline_parse_inst_t *)&cmd_port_tm_hierarchy_commit,
> > NULL,
> > };
> > diff --git a/app/test-pmd/cmdline_tm.c b/app/test-pmd/cmdline_tm.c index
> > c9a18dd..807e724 100644
> > --- a/app/test-pmd/cmdline_tm.c
> > +++ b/app/test-pmd/cmdline_tm.c
> > @@ -2036,6 +2036,76 @@ cmdline_parse_inst_t
> > cmd_suspend_port_tm_node = {
> > },
> > };
> >
> > +/* *** Resume Port TM Node *** */
> > +struct cmd_resume_port_tm_node_result {
> > + cmdline_fixed_string_t resume;
> > + cmdline_fixed_string_t port;
> > + cmdline_fixed_string_t tm;
> > + cmdline_fixed_string_t node;
> > + uint16_t port_id;
> > + uint32_t node_id;
> > +};
> > +
> > +cmdline_parse_token_string_t cmd_resume_port_tm_node_resume =
> > + TOKEN_STRING_INITIALIZER(
> > + struct cmd_resume_port_tm_node_result, resume,
> > "resume");
> > +cmdline_parse_token_string_t cmd_resume_port_tm_node_port =
> > + TOKEN_STRING_INITIALIZER(
> > + struct cmd_resume_port_tm_node_result, port, "port");
> > +cmdline_parse_token_string_t cmd_resume_port_tm_node_tm =
> > + TOKEN_STRING_INITIALIZER(
> > + struct cmd_resume_port_tm_node_result, tm, "tm");
> > +cmdline_parse_token_string_t cmd_resume_port_tm_node_node =
> > + TOKEN_STRING_INITIALIZER(
> > + struct cmd_resume_port_tm_node_result, node, "node");
> > +cmdline_parse_token_num_t cmd_resume_port_tm_node_port_id =
> > + TOKEN_NUM_INITIALIZER(
> > + struct cmd_resume_port_tm_node_result, port_id, UINT16);
> > +cmdline_parse_token_num_t cmd_resume_port_tm_node_node_id =
> > + TOKEN_NUM_INITIALIZER(
> > + struct cmd_resume_port_tm_node_result, node_id, UINT32);
> > +
> > +static void cmd_resume_port_tm_node_parsed(void *parsed_result,
> > + __attribute__((unused)) struct cmdline *cl,
> > + __attribute__((unused)) void *data)
> > +{
> > + struct cmd_resume_port_tm_node_result *res = parsed_result;
> > + struct rte_tm_error error;
> > + uint32_t node_id = res->node_id;
> > + portid_t port_id = res->port_id;
> > + int ret;
> > +
> > + if (port_id_is_invalid(port_id, ENABLED_WARN))
> > + return;
> > +
> > + /* Port status */
> > + if (!port_is_started(port_id)) {
> > + printf(" Port %u not started (error)\n", port_id);
> > + return;
> > + }
>
> I suggest to remove the CLI layer restriction to check the port status for node suspend/resume.
> The device can check at the driver layer whether it is ok suspend/resume node in started/stopped state depending upon the allowed configuration.
Fair enough. Thanks for the review.
>
> Besides this,
> Reviewed-by: Jasvinder Singh <jasvinder.singh at inel.com>
--
- Tomasz Duszyński
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