Re: [dpdk-dev] [PATCH 3/3 v2] testpmd: support hardware offload to drop error packets

[Nipun Gupta <nipun.gupta@nxp.com>]

> -----Original Message-----
> From: Asaf Penso <asafp@nvidia.com>
> Sent: Thursday, October 8, 2020 8:36 PM
> To: Nipun Gupta <nipun.gupta@nxp.com>; dev@dpdk.org
> Cc: NBU-Contact-Thomas Monjalon <thomas@monjalon.net>;
> ferruh.yigit@intel.com; arybchenko@solarflare.com; Hemant Agrawal
> <hemant.agrawal@nxp.com>; Sachin Saxena <sachin.saxena@nxp.com>; Rohit
> Raj <rohit.raj@nxp.com>
> Subject: RE: [dpdk-dev] [PATCH 3/3 v2] testpmd: support hardware offload to
> drop error packets
> 
> >-----Original Message-----
> >From: dev <dev-bounces@dpdk.org> On Behalf Of nipun.gupta@nxp.com
> >Sent: Monday, October 5, 2020 10:15 AM
> >To: dev@dpdk.org
> >Cc: NBU-Contact-Thomas Monjalon <thomas@monjalon.net>;
> >ferruh.yigit@intel.com; arybchenko@solarflare.com;
> >hemant.agrawal@nxp.com; sachin.saxena@nxp.com; rohit.raj@nxp.com;
> >Nipun Gupta <nipun.gupta@nxp.com>
> >Subject: [dpdk-dev] [PATCH 3/3 v2] testpmd: support hardware offload to
> >drop error packets
> >
> >From: Nipun Gupta <nipun.gupta@nxp.com>
> >
> >With DEV_RX_OFFLOAD_ERR_PKT_DROP now defined as an offload
> >capability, testpmd showcases this with a new added configuration option
> >'enable-hw-drop-err'.
> >
> >Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
> >---
> > app/test-pmd/parameters.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> >diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c index
> >1ead59579..ada870e2d 100644
> >--- a/app/test-pmd/parameters.c
> >+++ b/app/test-pmd/parameters.c
> >@@ -142,6 +142,7 @@ usage(char* progname)
> > 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
> > 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
> > 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
> >+	printf("  --enable-hw-drop-err: enable hardware packet drop for error
> >+packets.\n");
> > 	printf("  --enable-drop-en: enable per queue packet drop.\n");
> > 	printf("  --disable-rss: disable rss.\n");
> > 	printf("  --port-topology=<paired|chained|loop>: set port topology
> >(paired "
> >@@ -631,6 +632,7 @@ launch_args_parse(int argc, char** argv)
> > 		{ "enable-hw-vlan-strip",       0, 0, 0 },
> > 		{ "enable-hw-vlan-extend",      0, 0, 0 },
> > 		{ "enable-hw-qinq-strip",       0, 0, 0 },
> >+		{ "enable-hw-drop-err",         0, 0, 0 },
> > 		{ "enable-drop-en",            0, 0, 0 },
> > 		{ "disable-rss",                0, 0, 0 },
> > 		{ "port-topology",              1, 0, 0 },
> >@@ -1037,6 +1039,9 @@ launch_args_parse(int argc, char** argv)
> > 					"enable-hw-qinq-strip"))
> > 				rx_offloads |=
> >DEV_RX_OFFLOAD_QINQ_STRIP;
> >
> >+			if (!strcmp(lgopts[opt_idx].name, "enable-hw-drop-
> >err"))
> >+				rx_offloads |=
> >DEV_RX_OFFLOAD_ERR_PKT_DROP;
> >+
> > 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
> > 				rx_drop_en = 1;
> >
> >--
> >2.17.1
> 
> I think it would be good also to update testpmd run_app.rst with this new option.

Sure. Will update in next spin.

Thanks,
Nipun