Re: [dpdk-dev] [PATCH 3/5] app/testpmd: re-implement commands by using private API

["Di, ChenxuX" <chenxux.di@intel.com>]

> -----Original Message-----
> From: Kevin Traynor [mailto:ktraynor@redhat.com]
> Sent: Wednesday, June 17, 2020 4:12 AM
> To: Di, ChenxuX <chenxux.di@intel.com>; dev@dpdk.org
> Cc: Xing, Beilei <beilei.xing@intel.com>; Yang, Qiming <qiming.yang@intel.com>
> Subject: Re: [dpdk-dev] [PATCH 3/5] app/testpmd: re-implement commands by
> using private API
> 
> On 11/06/2020 07:01, Chenxu Di wrote:
> > The legacy filter API will be superseded. This patch use private api
> > to change the implementation of commands global_config <port_id>
> > gre-key-len <key_len> and show port fdir <port_id>
> >
> > Signed-off-by: Chenxu Di <chenxux.di@intel.com>
> > ---
> >  app/test-pmd/cmdline.c | 23 ++++++++-----  app/test-pmd/config.c  |
> > 74 +++++++++++++++++++++++++++++++++++-------
> >  2 files changed, 78 insertions(+), 19 deletions(-)
> >
> > diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index
> > 996a49876..01d793e89 100644
> > --- a/app/test-pmd/cmdline.c
> > +++ b/app/test-pmd/cmdline.c
> > @@ -9280,15 +9280,22 @@ cmd_global_config_parsed(void *parsed_result,
> > {
> >  	struct cmd_global_config_result *res = parsed_result;
> >  	struct rte_eth_global_cfg conf;
> > -	int ret;
> > +	int ret = -ENOTSUP;
> >
> > -	memset(&conf, 0, sizeof(conf));
> > -	conf.cfg_type = RTE_ETH_GLOBAL_CFG_TYPE_GRE_KEY_LEN;
> > -	conf.cfg.gre_key_len = res->len;
> > -	ret = rte_eth_dev_filter_ctrl(res->port_id, RTE_ETH_FILTER_NONE,
> > -				      RTE_ETH_FILTER_SET, &conf);
> > -	if (ret != 0)
> > -		printf("Global config error\n");
> > +#ifdef RTE_LIBRTE_I40E_PMD
> > +	if (ret == -ENOTSUP)
> > +		ret = rte_pmd_i40e_set_gre_key_len(res->port_id, res->len);
> #endif
> > +	if (ret == -ENOTSUP) {
> > +		memset(&conf, 0, sizeof(conf));
> > +		conf.cfg_type = RTE_ETH_GLOBAL_CFG_TYPE_GRE_KEY_LEN;
> > +		conf.cfg.gre_key_len = res->len;
> > +		ret = rte_eth_dev_filter_ctrl(res->port_id,
> RTE_ETH_FILTER_NONE,
> > +					      RTE_ETH_FILTER_SET, &conf);
> > +	}
> > +
> > +	if (ret < 0)
> > +		printf("Global config error: (%s)\n", strerror(-ret));
> >  }
> >
> >  cmdline_parse_token_string_t cmd_global_config_cmd = diff --git
> > a/app/test-pmd/config.c b/app/test-pmd/config.c index
> > 016bcb09c..f519246c7 100644
> > --- a/app/test-pmd/config.c
> > +++ b/app/test-pmd/config.c
> > @@ -3729,30 +3729,82 @@ print_fdir_flow_type(uint32_t flow_types_mask)
> >  	printf("\n");
> >  }
> >
> > +static int
> > +get_fdir_info(portid_t port_id, struct rte_eth_fdir_info *fdir_info)
> > +{
> > +	int ret;
> 
> this looks like it won't compile if the RTE_LIBRTE_I40E_PMD is undefined, you'll
> need to initialize ret
> 

Yes, got it, I will fix it in next version patch.

> > +#ifdef RTE_LIBRTE_I40E_PMD
> > +	ret = rte_pmd_i40e_get_fdir_info(port_id, fdir_info); #endif #ifdef
> > +RTE_LIBRTE_IXGBE_PMD
> > +	if (ret == -ENOTSUP)
> > +		ret = rte_pmd_ixgbe_get_fdir_info(port_id, fdir_info); #endif
> > +	if (ret == -ENOTSUP) {
> > +		ret = rte_eth_dev_filter_supported(port_id,
> > +						   RTE_ETH_FILTER_FDIR);
> > +		if (ret < 0) {
> > +			printf("\n FDIR is not supported on port %-2d\n",
> > +				port_id);
> > +			return ret;
> > +		}
> > +		rte_eth_dev_filter_ctrl(port_id, RTE_ETH_FILTER_FDIR,
> > +					RTE_ETH_FILTER_INFO, fdir_info);
> > +	}
> > +
> > +	if (ret < 0)
> > +		printf("Get fdir infos error: (%s)\n", strerror(-ret));
> > +
> > +	return ret;
> > +}
> > +
> > +static int
> > +get_fdir_stat(portid_t port_id, struct rte_eth_fdir_stats *fdir_stat)
> > +{
> > +	int ret;
> 
> Same comment as above
> 

OK

> > +#ifdef RTE_LIBRTE_I40E_PMD
> > +	ret = rte_pmd_i40e_get_fdir_stats(port_id, fdir_stat); #endif #ifdef
> > +RTE_LIBRTE_IXGBE_PMD
> > +	if (ret == -ENOTSUP)
> > +		ret = rte_pmd_ixgbe_get_fdir_stats(port_id, fdir_stat); #endif
> > +	if (ret == -ENOTSUP) {
> > +		ret = rte_eth_dev_filter_supported(port_id,
> > +						   RTE_ETH_FILTER_FDIR);
> > +		if (ret < 0) {
> > +			printf("\n FDIR is not supported on port %-2d\n",
> > +				port_id);
> > +			return ret;
> > +		}
> > +		rte_eth_dev_filter_ctrl(port_id, RTE_ETH_FILTER_FDIR,
> > +					RTE_ETH_FILTER_STATS, fdir_stat);
> > +	}
> > +
> > +	if (ret < 0)
> > +		printf("Get fdir infos error: (%s)\n", strerror(-ret));
> > +
> > +	return ret;
> > +}
> > +
> >  void
> >  fdir_get_infos(portid_t port_id)
> >  {
> >  	struct rte_eth_fdir_stats fdir_stat;
> >  	struct rte_eth_fdir_info fdir_info;
> > -	int ret;
> >
> >  	static const char *fdir_stats_border = "########################";
> >
> >  	if (port_id_is_invalid(port_id, ENABLED_WARN))
> >  		return;
> > -	ret = rte_eth_dev_filter_supported(port_id, RTE_ETH_FILTER_FDIR);
> > -	if (ret < 0) {
> > -		printf("\n FDIR is not supported on port %-2d\n",
> > -			port_id);
> > -		return;
> > -	}
> >
> >  	memset(&fdir_info, 0, sizeof(fdir_info));
> > -	rte_eth_dev_filter_ctrl(port_id, RTE_ETH_FILTER_FDIR,
> > -			       RTE_ETH_FILTER_INFO, &fdir_info);
> > +	if (get_fdir_info(port_id, &fdir_info))
> > +		return;
> >  	memset(&fdir_stat, 0, sizeof(fdir_stat));
> > -	rte_eth_dev_filter_ctrl(port_id, RTE_ETH_FILTER_FDIR,
> > -			       RTE_ETH_FILTER_STATS, &fdir_stat);
> > +	if (get_fdir_stat(port_id, &fdir_stat))
> > +		return;
> > +
> >  	printf("\n  %s FDIR infos for port %-2d     %s\n",
> >  	       fdir_stats_border, port_id, fdir_stats_border);
> >  	printf("  MODE: ");
> >