Re: [dpdk-dev] [PATCH v7 08/12] app/testpmd: use new ethernet address parser

["Iremonger, Bernard" <bernard.iremonger@intel.com>]

Hi Stephen,

> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Stephen
> Hemminger
> Sent: Tuesday, July 2, 2019 11:13 PM
> To: dev@dpdk.org
> Cc: Stephen Hemminger <stephen@networkplumber.org>
> Subject: [dpdk-dev] [PATCH v7 08/12] app/testpmd: use new ethernet
> address parser
> 
> The cmdline_parse_ether_addr does not need to be used everywhere in
> testpmd. Can use rte_ether_unformat_addr instead.
> As an added bonus it eliminates some code for copying.
> 
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> ---
>  app/test-pmd/cmdline_flow.c |  5 ++---
>  app/test-pmd/config.c       | 10 +++-------
>  app/test-pmd/parameters.c   | 15 +++------------
>  3 files changed, 8 insertions(+), 22 deletions(-)
> 
> diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
> index 201bd9de56e0..2b02ca29b7ac 100644
> --- a/app/test-pmd/cmdline_flow.c
> +++ b/app/test-pmd/cmdline_flow.c
> @@ -18,7 +18,6 @@
>  #include <rte_ethdev.h>
>  #include <rte_byteorder.h>
>  #include <cmdline_parse.h>
> -#include <cmdline_parse_etheraddr.h>
>  #include <rte_flow.h>
> 
>  #include "testpmd.h"
> @@ -4627,8 +4626,8 @@ parse_mac_addr(struct context *ctx, const struct
> token *token,
>  	/* Only network endian is supported. */
>  	if (!arg->hton)
>  		goto error;
> -	ret = cmdline_parse_etheraddr(NULL, str, &tmp, size);
> -	if (ret < 0 || (unsigned int)ret != len)
> +	ret = rte_ether_unformat_addr(str, &tmp);
> +	if (ret < 0)
>  		goto error;
>  	if (!ctx->object)
>  		return len;
> diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c index
> ab458c8d2837..1d804705d96c 100644
> --- a/app/test-pmd/config.c
> +++ b/app/test-pmd/config.c
> @@ -49,7 +49,6 @@
>  #include <rte_pmd_bnxt.h>
>  #endif
>  #include <rte_gro.h>
> -#include <cmdline_parse_etheraddr.h>
>  #include <rte_config.h>
> 
>  #include "testpmd.h"
> @@ -2278,19 +2277,16 @@ pkt_fwd_config_display(struct fwd_config *cfg)
> void  set_fwd_eth_peer(portid_t port_id, char *peer_addr)  {
> -	uint8_t c, new_peer_addr[6];
> +	struct rte_ether_addr new_peer_addr;
>  	if (!rte_eth_dev_is_valid_port(port_id)) {
>  		printf("Error: Invalid port number %i\n", port_id);
>  		return;
>  	}
> -	if (cmdline_parse_etheraddr(NULL, peer_addr, &new_peer_addr,
> -					sizeof(new_peer_addr)) < 0) {
> +	if (rte_ether_unformat_addr(peer_addr, &new_peer_addr) < 0) {
>  		printf("Error: Invalid ethernet address: %s\n", peer_addr);
>  		return;
>  	}
> -	for (c = 0; c < 6; c++)
> -		peer_eth_addrs[port_id].addr_bytes[c] =
> -			new_peer_addr[c];
> +	peer_eth_addrs[port_id] = new_peer_addr;
>  }
> 
>  int
> diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c index
> 245b610641ee..975a97807009 100644
> --- a/app/test-pmd/parameters.c
> +++ b/app/test-pmd/parameters.c
> @@ -39,10 +39,6 @@
>  #include <rte_ether.h>
>  #include <rte_ethdev.h>
>  #include <rte_string_fns.h>
> -#ifdef RTE_LIBRTE_CMDLINE
> -#include <cmdline_parse.h>
> -#include <cmdline_parse_etheraddr.h>
> -#endif
>  #ifdef RTE_LIBRTE_PMD_BOND
>  #include <rte_eth_bond.h>
>  #endif
> @@ -227,8 +223,7 @@ init_peer_eth_addrs(char *config_filename)
>  		if (fgets(buf, sizeof(buf), config_file) == NULL)
>  			break;
> 
> -		if (cmdline_parse_etheraddr(NULL, buf,
> &peer_eth_addrs[i],
> -				sizeof(peer_eth_addrs[i])) < 0) {
> +		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
>  			printf("Bad MAC address format on line %d\n", i+1);
>  			fclose(config_file);
>  			return -1;
> @@ -727,7 +722,6 @@ launch_args_parse(int argc, char** argv)
>  			}
>  			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
>  				char *port_end;
> -				uint8_t c, peer_addr[6];
> 
>  				errno = 0;
>  				n = strtoul(optarg, &port_end, 10); @@ -
> 739,14 +733,11 @@ launch_args_parse(int argc, char** argv)
>  						 "eth-peer: port %d >=
> RTE_MAX_ETHPORTS(%d)\n",
>  						 n, RTE_MAX_ETHPORTS);
> 
> -				if (cmdline_parse_etheraddr(NULL,
> port_end,
> -						&peer_addr,
> sizeof(peer_addr)) < 0)
> +				if (rte_ether_unformat_addr(port_end,
> +
> &peer_eth_addrs[n]) < 0)
>  					rte_exit(EXIT_FAILURE,
>  						 "Invalid ethernet address:
> %s\n",
>  						 port_end);
> -				for (c = 0; c < 6; c++)
> -					peer_eth_addrs[n].addr_bytes[c] =
> -						peer_addr[c];
>  				nb_peer_eth_addrs++;
>  			}
>  #endif
> --
> 2.20.1

./devtools/checkpatches.sh v7-08-12-app-testpmd-use-new-ethernet-address-parser.patch

WARNING:LONG_LINE: line over 80 characters
#126: FILE: app/test-pmd/parameters.c:737:
+                                                           &peer_eth_addrs[n]) < 0)

No harm to fix this, otherwise

Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>