Hi Shahaf,
> -----Original Message----- > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Shahaf Shuler > Sent: Tuesday, December 26, 2017 5:44 PM > To: Wu, Jingjing <jingjing...@intel.com>; Yigit, Ferruh > <ferruh.yi...@intel.com> > Cc: dev@dpdk.org > Subject: [dpdk-dev] [PATCH v3 04/10] app/testpmd: convert to new Ethdev > Tx offloads API > > Ethdev Tx offloads API has changed since: > > commit cba7f53b717d ("ethdev: introduce Tx queue offloads API") > > Convert the application to use the new API. > > This patch mandates the port to be stopped when configure the Tx offloads. > This is because the PMD must be aware to the offloads changes on the > device and queue configuration. > > Signed-off-by: Shahaf Shuler <shah...@mellanox.com> > --- > app/test-pmd/cmdline.c | 90 > ++++++++++++++++++++++++++++++++++++++++++--- > app/test-pmd/config.c | 55 ++++++++++++++++++--------- app/test- > pmd/testpmd.c | 3 ++ > 3 files changed, 124 insertions(+), 24 deletions(-) > > diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index > d8c73a9b1..58125839a 100644 > --- a/app/test-pmd/cmdline.c > +++ b/app/test-pmd/cmdline.c > @@ -3439,7 +3439,14 @@ cmd_tx_vlan_set_parsed(void *parsed_result, { > struct cmd_tx_vlan_set_result *res = parsed_result; > > + if (!port_is_stopped(res->port_id)) { > + printf("Please stop port %d first\n", res->port_id); > + return; > + } > + > tx_vlan_set(res->port_id, res->vlan_id); > + > + cmd_reconfig_device_queue(res->port_id, 1, 1); > } > I do have some concern about this behavior change, 'port_is_stopped' and ' cmd_reconfig_device_queue '. 1, seems this behavior change is not necessary for using the new offload API. Maybe splitting this patch to 2 is better. 2, some NICs doesn't need to be stopped or re-configured to make vlan functions enabled. That's why the original code doesn't have this restriction. Maybe figuring out a way to do the restriction in the driver layer is better.