diff mbox

example: remove reference from linux-generic internal envs

Message ID 1468256658-15043-1-git-send-email-maxim.uvarov@linaro.org
State Superseded
Headers show

Commit Message

Maxim Uvarov July 11, 2016, 5:04 p.m. UTC 
Make print for example more platform independent and move
prints about pktio states in platform initialization code.

Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>

---
 example/generator/odp_generator.c          |  4 ----
 example/ipsec/odp_ipsec.c                  |  6 +-----
 example/packet/odp_pktio.c                 |  4 ----
 example/switch/odp_switch.c                |  5 -----
 platform/linux-generic/pktio/dpdk.c        | 20 +++++++++++++++-----
 platform/linux-generic/pktio/ipc.c         |  1 +
 platform/linux-generic/pktio/loop.c        |  8 +++++++-
 platform/linux-generic/pktio/netmap.c      | 18 +++++++++++++++++-
 platform/linux-generic/pktio/pcap.c        |  8 +++++++-
 platform/linux-generic/pktio/socket.c      | 19 +++++++++++++++++--
 platform/linux-generic/pktio/socket_mmap.c | 19 +++++++++++++++++--
 test/performance/odp_l2fwd.c               |  4 ----
 12 files changed, 82 insertions(+), 34 deletions(-)

-- 
2.7.1.250.gff4ea60

Comments

Bill Fischofer July 13, 2016, 7:19 p.m. UTC | #1 
On Mon, Jul 11, 2016 at 12:04 PM, Maxim Uvarov <maxim.uvarov@linaro.org>
wrote:

> Make print for example more platform independent and move

> prints about pktio states in platform initialization code.

>

> Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>

>


Reviewed-by: Bill Fischofer <bill.fischofer@linaro.org>



> ---

>  example/generator/odp_generator.c          |  4 ----

>  example/ipsec/odp_ipsec.c                  |  6 +-----

>  example/packet/odp_pktio.c                 |  4 ----

>  example/switch/odp_switch.c                |  5 -----

>  platform/linux-generic/pktio/dpdk.c        | 20 +++++++++++++++-----

>  platform/linux-generic/pktio/ipc.c         |  1 +

>  platform/linux-generic/pktio/loop.c        |  8 +++++++-

>  platform/linux-generic/pktio/netmap.c      | 18 +++++++++++++++++-

>  platform/linux-generic/pktio/pcap.c        |  8 +++++++-

>  platform/linux-generic/pktio/socket.c      | 19 +++++++++++++++++--

>  platform/linux-generic/pktio/socket_mmap.c | 19 +++++++++++++++++--

>  test/performance/odp_l2fwd.c               |  4 ----

>  12 files changed, 82 insertions(+), 34 deletions(-)

>

> diff --git a/example/generator/odp_generator.c

> b/example/generator/odp_generator.c

> index 3fea112..b0053b9 100644

> --- a/example/generator/odp_generator.c

> +++ b/example/generator/odp_generator.c

> @@ -1157,10 +1157,6 @@ static void usage(char *progname)

>                "\n"

>                "Optional OPTIONS\n"

>                "  -h, --help       Display help and exit.\n"

> -              " environment variables: ODP_PKTIO_DISABLE_NETMAP\n"

> -              "                        ODP_PKTIO_DISABLE_SOCKET_MMAP\n"

> -              "                        ODP_PKTIO_DISABLE_SOCKET_MMSG\n"

> -              " can be used to advanced pkt I/O selection for odp-linux\n"

>                "  -p, --packetsize payload length of the packets\n"

>                "  -t, --timeout only for ping mode, wait ICMP reply

> timeout seconds\n"

>                "  -i, --interval wait interval ms between sending each

> packet\n"

> diff --git a/example/ipsec/odp_ipsec.c b/example/ipsec/odp_ipsec.c

> index d8ca791..6a9a9fe 100644

> --- a/example/ipsec/odp_ipsec.c

> +++ b/example/ipsec/odp_ipsec.c

> @@ -1587,11 +1587,7 @@ static void usage(char *progname)

>                "Optional OPTIONS\n"

>                "  -c, --count <number> CPU count.\n"

>                "  -h, --help           Display help and exit.\n"

> -              " environment variables: ODP_PKTIO_DISABLE_NETMAP\n"

> -              "                        ODP_PKTIO_DISABLE_SOCKET_MMAP\n"

> -              "                        ODP_PKTIO_DISABLE_SOCKET_MMSG\n"

> -              " can be used to advanced pkt I/O selection for odp-linux\n"

> -              "                        ODP_IPSEC_USE_POLL_QUEUES\n"

> +              " environment variables: ODP_IPSEC_USE_POLL_QUEUES\n"

>                " to enable use of poll queues instead of scheduled

> (default)\n"

>                "                        ODP_IPSEC_STREAM_VERIFY_MDEQ\n"

>                " to enable use of multiple dequeue for queue draining

> during\n"

> diff --git a/example/packet/odp_pktio.c b/example/packet/odp_pktio.c

> index 6e14abb..d1135cb 100644

> --- a/example/packet/odp_pktio.c

> +++ b/example/packet/odp_pktio.c

> @@ -732,10 +732,6 @@ static void usage(char *progname)

>                "                  1: Receive and send via queues.\n"

>                "                  2: Receive via scheduler, send via

> queues.\n"

>                "  -h, --help           Display help and exit.\n"

> -              " environment variables: ODP_PKTIO_DISABLE_NETMAP\n"

> -              "                        ODP_PKTIO_DISABLE_SOCKET_MMAP\n"

> -              "                        ODP_PKTIO_DISABLE_SOCKET_MMSG\n"

> -              " can be used to advanced pkt I/O selection for odp-linux\n"

>                "\n", NO_PATH(progname), NO_PATH(progname)

>             );

>  }

> diff --git a/example/switch/odp_switch.c b/example/switch/odp_switch.c

> index 5ce71a9..c48a202 100644

> --- a/example/switch/odp_switch.c

> +++ b/example/switch/odp_switch.c

> @@ -727,11 +727,6 @@ static void usage(char *progname)

>                "  -a, --accuracy <number> Statistics print interval in

> seconds\n"

>                "                          (default is 10 second).\n"

>                "  -h, --help           Display help and exit.\n\n"

> -              " environment variables: ODP_PKTIO_DISABLE_DPDK\n"

> -              "                        ODP_PKTIO_DISABLE_NETMAP\n"

> -              "                        ODP_PKTIO_DISABLE_SOCKET_MMAP\n"

> -              "                        ODP_PKTIO_DISABLE_SOCKET_MMSG\n"

> -              " can be used to advanced pkt I/O selection for odp-linux\n"

>                "\n", NO_PATH(progname), NO_PATH(progname), MAX_PKTIOS

>             );

>  }

> diff --git a/platform/linux-generic/pktio/dpdk.c

> b/platform/linux-generic/pktio/dpdk.c

> index c21c703..430041c 100644

> --- a/platform/linux-generic/pktio/dpdk.c

> +++ b/platform/linux-generic/pktio/dpdk.c

> @@ -26,6 +26,8 @@

>  #include <rte_ethdev.h>

>  #include <rte_string_fns.h>

>

> +static int disable_pktio; /** !0 this pktio disabled, 0 enabled */

> +

>  /* Has dpdk_pktio_init() been called */

>  static odp_bool_t dpdk_initialized;

>

> @@ -453,12 +455,20 @@ static int dpdk_pktio_init(void)

>  }

>

>  /* Placeholder for DPDK global init */

> -static int odp_dpdk_pktio_init_global(void)

> +static int dpdk_pktio_init_global(void)

>  {

> +       if (getenv("ODP_PKTIO_DISABLE_DPDK")) {

> +               ODP_PRINT("PKTIO: socket mmap skipped,"

> +                         " enabled export ODP_PKTIO_DISABLE_DPDK=1.\n");

> +               disable_pktio = 1;

> +       } else  {

> +               ODP_PRINT("PKTIO: initialized socket mmap,"

> +                         " use export ODP_PKTIO_DISABLE_DPDK=1 to

> disable.\n");

> +       }

>         return 0;

>  }

>

> -static int odp_dpdk_pktio_init_local(void)

> +static int dpdk_pktio_init_local(void)

>  {

>         int cpu;

>

> @@ -546,7 +556,7 @@ static int dpdk_open(odp_pktio_t id ODP_UNUSED,

>         uint32_t mtu;

>         int i;

>

> -       if (getenv("ODP_PKTIO_DISABLE_DPDK"))

> +       if (disable_pktio)

>                 return -1;

>

>         if (pool == ODP_POOL_INVALID)

> @@ -993,8 +1003,8 @@ static int dpdk_stats_reset(pktio_entry_t

> *pktio_entry)

>

>  const pktio_if_ops_t dpdk_pktio_ops = {

>         .name = "dpdk",

> -       .init_global = odp_dpdk_pktio_init_global,

> -       .init_local = odp_dpdk_pktio_init_local,

> +       .init_global = dpdk_pktio_init_global,

> +       .init_local = dpdk_pktio_init_local,

>         .term = NULL,

>         .open = dpdk_open,

>         .close = dpdk_close,

> diff --git a/platform/linux-generic/pktio/ipc.c

> b/platform/linux-generic/pktio/ipc.c

> index e0d4ab9..f9e7a00 100644

> --- a/platform/linux-generic/pktio/ipc.c

> +++ b/platform/linux-generic/pktio/ipc.c

> @@ -775,6 +775,7 @@ static int ipc_close(pktio_entry_t *pktio_entry)

>  static int ipc_pktio_init_global(void)

>  {

>         _ring_tailq_init();

> +       ODP_PRINT("PKTIO: initialized ipc interface.\n");

>         return 0;

>  }

>

> diff --git a/platform/linux-generic/pktio/loop.c

> b/platform/linux-generic/pktio/loop.c

> index ac16c41..21d7542 100644

> --- a/platform/linux-generic/pktio/loop.c

> +++ b/platform/linux-generic/pktio/loop.c

> @@ -243,10 +243,16 @@ static int loopback_stats_reset(pktio_entry_t

> *pktio_entry ODP_UNUSED)

>         return 0;

>  }

>

> +static int loop_init_global(void)

> +{

> +       ODP_PRINT("PKTIO: initialized loop interface.\n");

> +       return 0;

> +}

> +

>  const pktio_if_ops_t loopback_pktio_ops = {

>         .name = "loop",

>         .print = NULL,

> -       .init_global = NULL,

> +       .init_global = loop_init_global,

>         .init_local = NULL,

>         .term = NULL,

>         .open = loopback_open,

> diff --git a/platform/linux-generic/pktio/netmap.c

> b/platform/linux-generic/pktio/netmap.c

> index d69df6b..cb67573 100644

> --- a/platform/linux-generic/pktio/netmap.c

> +++ b/platform/linux-generic/pktio/netmap.c

> @@ -37,6 +37,7 @@

>  #define NM_WAIT_TIMEOUT 10 /* netmap_wait_for_link() timeout in seconds */

>  #define NM_INJECT_RETRIES 10

>

> +static int disable_pktio; /** !0 this pktio disabled, 0 enabled */

>  static int netmap_stats_reset(pktio_entry_t *pktio_entry);

>

>  static int netmap_do_ioctl(pktio_entry_t *pktio_entry, unsigned long cmd,

> @@ -332,7 +333,7 @@ static int netmap_open(odp_pktio_t id ODP_UNUSED,

> pktio_entry_t *pktio_entry,

>         odp_pktin_hash_proto_t hash_proto;

>         odp_pktio_stats_t cur_stats;

>

> -       if (getenv("ODP_PKTIO_DISABLE_NETMAP"))

> +       if (disable_pktio)

>                 return -1;

>

>         if (pool == ODP_POOL_INVALID)

> @@ -891,6 +892,21 @@ static void netmap_print(pktio_entry_t *pktio_entry)

>                 rss_conf_print(&hash_proto);

>  }

>

> +static int netmap_init_global(void)

> +{

> +       if (getenv("ODP_PKTIO_DISABLE_NETMAP")) {

> +               ODP_PRINT("PKTIO: socket mmap skipped,"

> +                         " enabled export ODP_PKTIO_DISABLE_NETMAP=1.\n");

> +               disable_pktio = 1;

> +       } else  {

> +               ODP_PRINT("PKTIO: initialized socket mmap,"

> +                         " use export ODP_PKTIO_DISABLE_NETMAP=1 to

> disable.\n"

> +                         " Netmap refixes are netmap:eth0 or vale:eth0.

> Refer to"

> +                         " Netmap documentation for usage

> information.\n");

> +       }

> +       return 0;

> +}

> +

>  const pktio_if_ops_t netmap_pktio_ops = {

>         .name = "netmap",

>         .print = netmap_print,

> diff --git a/platform/linux-generic/pktio/pcap.c

> b/platform/linux-generic/pktio/pcap.c

> index be9049a..e501858 100644

> --- a/platform/linux-generic/pktio/pcap.c

> +++ b/platform/linux-generic/pktio/pcap.c

> @@ -430,10 +430,16 @@ static int pcapif_stats(pktio_entry_t *pktio_entry,

>         return 0;

>  }

>

> +static int pcapif_init_global(void)

> +{

> +       ODP_PRINT("PKTIO: initialized pcap interface.\n");

> +       return 0;

> +}

> +

>  const pktio_if_ops_t pcap_pktio_ops = {

>         .name = "pcap",

>         .print = NULL,

> -       .init_global = NULL,

> +       .init_global = pcapif_init_global,

>         .init_local = NULL,

>         .open = pcapif_init,

>         .close = pcapif_close,

> diff --git a/platform/linux-generic/pktio/socket.c

> b/platform/linux-generic/pktio/socket.c

> index 5d85ef5..0309b0d 100644

> --- a/platform/linux-generic/pktio/socket.c

> +++ b/platform/linux-generic/pktio/socket.c

> @@ -46,6 +46,8 @@

>  #include <protocols/eth.h>

>  #include <protocols/ip.h>

>

> +static int disable_pktio; /** !0 this pktio disabled, 0 enabled */

> +

>  static int sock_stats_reset(pktio_entry_t *pktio_entry);

>

>  /** Provide a sendmmsg wrapper for systems with no libc or kernel support.

> @@ -571,7 +573,7 @@ static int sock_mmsg_open(odp_pktio_t id ODP_UNUSED,

>                           pktio_entry_t *pktio_entry,

>                           const char *devname, odp_pool_t pool)

>  {

> -       if (getenv("ODP_PKTIO_DISABLE_SOCKET_MMSG"))

> +       if (disable_pktio)

>                 return -1;

>         return sock_setup_pkt(pktio_entry, devname, pool);

>  }

> @@ -894,10 +896,23 @@ static int sock_stats_reset(pktio_entry_t

> *pktio_entry)

>                                    pktio_entry->s.pkt_sock.sockfd);

>  }

>

> +static int sock_init_global(void)

> +{

> +       if (getenv("ODP_PKTIO_DISABLE_SOCKET_MMSG")) {

> +               ODP_PRINT("PKTIO: socket mmsg skipped,"

> +                         " enabled export

> ODP_PKTIO_DISABLE_SOCKET_MMSG=1.\n");

> +               disable_pktio = 1;

> +       } else {

> +               ODP_PRINT("PKTIO: initialized socket mmsg,"

> +                         "use export ODP_PKTIO_DISABLE_SOCKET_MMSG=1 to

> disable.\n");

> +       }

> +       return 0;

> +}

> +

>  const pktio_if_ops_t sock_mmsg_pktio_ops = {

>         .name = "socket",

>         .print = NULL,

> -       .init_global = NULL,

> +       .init_global = sock_init_global,

>         .init_local = NULL,

>         .term = NULL,

>         .open = sock_mmsg_open,

> diff --git a/platform/linux-generic/pktio/socket_mmap.c

> b/platform/linux-generic/pktio/socket_mmap.c

> index 11bb7d6..b6be81a 100644

> --- a/platform/linux-generic/pktio/socket_mmap.c

> +++ b/platform/linux-generic/pktio/socket_mmap.c

> @@ -35,6 +35,8 @@

>  #include <protocols/eth.h>

>  #include <protocols/ip.h>

>

> +static int disable_pktio; /** !0 this pktio disabled, 0 enabled */

> +

>  static int set_pkt_sock_fanout_mmap(pkt_sock_mmap_t *const pkt_sock,

>                                     int sock_group_idx)

>  {

> @@ -503,7 +505,7 @@ static int sock_mmap_open(odp_pktio_t id ODP_UNUSED,

>         int ret = 0;

>         odp_pktio_stats_t cur_stats;

>

> -       if (getenv("ODP_PKTIO_DISABLE_SOCKET_MMAP"))

> +       if (disable_pktio)

>                 return -1;

>

>         pkt_sock_mmap_t *const pkt_sock = &pktio_entry->s.pkt_sock_mmap;

> @@ -688,10 +690,23 @@ static int sock_mmap_stats_reset(pktio_entry_t

> *pktio_entry)

>                                    pktio_entry->s.pkt_sock_mmap.sockfd);

>  }

>

> +static int sock_mmap_init_global(void)

> +{

> +       if (getenv("ODP_PKTIO_DISABLE_SOCKET_MMAP")) {

> +               ODP_PRINT("PKTIO: socket mmap skipped,"

> +                               " enabled export

> ODP_PKTIO_DISABLE_SOCKET_MMAP=1.\n");

> +               disable_pktio = 1;

> +       } else  {

> +               ODP_PRINT("PKTIO: initialized socket mmap,"

> +                               " use export

> ODP_PKTIO_DISABLE_SOCKET_MMAP=1 to disable.\n");

> +       }

> +       return 0;

> +}

> +

>  const pktio_if_ops_t sock_mmap_pktio_ops = {

>         .name = "socket_mmap",

>         .print = NULL,

> -       .init_global = NULL,

> +       .init_global = sock_mmap_init_global,

>         .init_local = NULL,

>         .term = NULL,

>         .open = sock_mmap_open,

> diff --git a/test/performance/odp_l2fwd.c b/test/performance/odp_l2fwd.c

> index e296b94..f4947ca 100644

> --- a/test/performance/odp_l2fwd.c

> +++ b/test/performance/odp_l2fwd.c

> @@ -1032,10 +1032,6 @@ static void usage(char *progname)

>                "  -e, --error_check 0: Don't check packet errors

> (default)\n"

>                "                    1: Check packet errors\n"

>                "  -h, --help           Display help and exit.\n\n"

> -              " environment variables: ODP_PKTIO_DISABLE_NETMAP\n"

> -              "                        ODP_PKTIO_DISABLE_SOCKET_MMAP\n"

> -              "                        ODP_PKTIO_DISABLE_SOCKET_MMSG\n"

> -              " can be used to advanced pkt I/O selection for odp-linux\n"

>                "\n", NO_PATH(progname), NO_PATH(progname), MAX_PKTIOS

>             );

>  }

> --

> 2.7.1.250.gff4ea60

>

>
diff mbox

Patch

diff --git a/example/generator/odp_generator.c b/example/generator/odp_generator.c
index 3fea112..b0053b9 100644
--- a/example/generator/odp_generator.c
+++ b/example/generator/odp_generator.c
@@ -1157,10 +1157,6 @@  static void usage(char *progname)
 	       "\n"
 	       "Optional OPTIONS\n"
 	       "  -h, --help       Display help and exit.\n"
-	       " environment variables: ODP_PKTIO_DISABLE_NETMAP\n"
-	       "                        ODP_PKTIO_DISABLE_SOCKET_MMAP\n"
-	       "                        ODP_PKTIO_DISABLE_SOCKET_MMSG\n"
-	       " can be used to advanced pkt I/O selection for odp-linux\n"
 	       "  -p, --packetsize payload length of the packets\n"
 	       "  -t, --timeout only for ping mode, wait ICMP reply timeout seconds\n"
 	       "  -i, --interval wait interval ms between sending each packet\n"
diff --git a/example/ipsec/odp_ipsec.c b/example/ipsec/odp_ipsec.c
index d8ca791..6a9a9fe 100644
--- a/example/ipsec/odp_ipsec.c
+++ b/example/ipsec/odp_ipsec.c
@@ -1587,11 +1587,7 @@  static void usage(char *progname)
 	       "Optional OPTIONS\n"
 	       "  -c, --count <number> CPU count.\n"
 	       "  -h, --help           Display help and exit.\n"
-	       " environment variables: ODP_PKTIO_DISABLE_NETMAP\n"
-	       "                        ODP_PKTIO_DISABLE_SOCKET_MMAP\n"
-	       "                        ODP_PKTIO_DISABLE_SOCKET_MMSG\n"
-	       " can be used to advanced pkt I/O selection for odp-linux\n"
-	       "                        ODP_IPSEC_USE_POLL_QUEUES\n"
+	       " environment variables: ODP_IPSEC_USE_POLL_QUEUES\n"
 	       " to enable use of poll queues instead of scheduled (default)\n"
 	       "                        ODP_IPSEC_STREAM_VERIFY_MDEQ\n"
 	       " to enable use of multiple dequeue for queue draining during\n"
diff --git a/example/packet/odp_pktio.c b/example/packet/odp_pktio.c
index 6e14abb..d1135cb 100644
--- a/example/packet/odp_pktio.c
+++ b/example/packet/odp_pktio.c
@@ -732,10 +732,6 @@  static void usage(char *progname)
 	       "                  1: Receive and send via queues.\n"
 	       "                  2: Receive via scheduler, send via queues.\n"
 	       "  -h, --help           Display help and exit.\n"
-	       " environment variables: ODP_PKTIO_DISABLE_NETMAP\n"
-	       "                        ODP_PKTIO_DISABLE_SOCKET_MMAP\n"
-	       "                        ODP_PKTIO_DISABLE_SOCKET_MMSG\n"
-	       " can be used to advanced pkt I/O selection for odp-linux\n"
 	       "\n", NO_PATH(progname), NO_PATH(progname)
 	    );
 }
diff --git a/example/switch/odp_switch.c b/example/switch/odp_switch.c
index 5ce71a9..c48a202 100644
--- a/example/switch/odp_switch.c
+++ b/example/switch/odp_switch.c
@@ -727,11 +727,6 @@  static void usage(char *progname)
 	       "  -a, --accuracy <number> Statistics print interval in seconds\n"
 	       "                          (default is 10 second).\n"
 	       "  -h, --help           Display help and exit.\n\n"
-	       " environment variables: ODP_PKTIO_DISABLE_DPDK\n"
-	       "                        ODP_PKTIO_DISABLE_NETMAP\n"
-	       "                        ODP_PKTIO_DISABLE_SOCKET_MMAP\n"
-	       "                        ODP_PKTIO_DISABLE_SOCKET_MMSG\n"
-	       " can be used to advanced pkt I/O selection for odp-linux\n"
 	       "\n", NO_PATH(progname), NO_PATH(progname), MAX_PKTIOS
 	    );
 }
diff --git a/platform/linux-generic/pktio/dpdk.c b/platform/linux-generic/pktio/dpdk.c
index c21c703..430041c 100644
--- a/platform/linux-generic/pktio/dpdk.c
+++ b/platform/linux-generic/pktio/dpdk.c
@@ -26,6 +26,8 @@ 
 #include <rte_ethdev.h>
 #include <rte_string_fns.h>
 
+static int disable_pktio; /** !0 this pktio disabled, 0 enabled */
+
 /* Has dpdk_pktio_init() been called */
 static odp_bool_t dpdk_initialized;
 
@@ -453,12 +455,20 @@  static int dpdk_pktio_init(void)
 }
 
 /* Placeholder for DPDK global init */
-static int odp_dpdk_pktio_init_global(void)
+static int dpdk_pktio_init_global(void)
 {
+	if (getenv("ODP_PKTIO_DISABLE_DPDK")) {
+		ODP_PRINT("PKTIO: socket mmap skipped,"
+			  " enabled export ODP_PKTIO_DISABLE_DPDK=1.\n");
+		disable_pktio = 1;
+	} else  {
+		ODP_PRINT("PKTIO: initialized socket mmap,"
+			  " use export ODP_PKTIO_DISABLE_DPDK=1 to disable.\n");
+	}
 	return 0;
 }
 
-static int odp_dpdk_pktio_init_local(void)
+static int dpdk_pktio_init_local(void)
 {
 	int cpu;
 
@@ -546,7 +556,7 @@  static int dpdk_open(odp_pktio_t id ODP_UNUSED,
 	uint32_t mtu;
 	int i;
 
-	if (getenv("ODP_PKTIO_DISABLE_DPDK"))
+	if (disable_pktio)
 		return -1;
 
 	if (pool == ODP_POOL_INVALID)
@@ -993,8 +1003,8 @@  static int dpdk_stats_reset(pktio_entry_t *pktio_entry)
 
 const pktio_if_ops_t dpdk_pktio_ops = {
 	.name = "dpdk",
-	.init_global = odp_dpdk_pktio_init_global,
-	.init_local = odp_dpdk_pktio_init_local,
+	.init_global = dpdk_pktio_init_global,
+	.init_local = dpdk_pktio_init_local,
 	.term = NULL,
 	.open = dpdk_open,
 	.close = dpdk_close,
diff --git a/platform/linux-generic/pktio/ipc.c b/platform/linux-generic/pktio/ipc.c
index e0d4ab9..f9e7a00 100644
--- a/platform/linux-generic/pktio/ipc.c
+++ b/platform/linux-generic/pktio/ipc.c
@@ -775,6 +775,7 @@  static int ipc_close(pktio_entry_t *pktio_entry)
 static int ipc_pktio_init_global(void)
 {
 	_ring_tailq_init();
+	ODP_PRINT("PKTIO: initialized ipc interface.\n");
 	return 0;
 }
 
diff --git a/platform/linux-generic/pktio/loop.c b/platform/linux-generic/pktio/loop.c
index ac16c41..21d7542 100644
--- a/platform/linux-generic/pktio/loop.c
+++ b/platform/linux-generic/pktio/loop.c
@@ -243,10 +243,16 @@  static int loopback_stats_reset(pktio_entry_t *pktio_entry ODP_UNUSED)
 	return 0;
 }
 
+static int loop_init_global(void)
+{
+	ODP_PRINT("PKTIO: initialized loop interface.\n");
+	return 0;
+}
+
 const pktio_if_ops_t loopback_pktio_ops = {
 	.name = "loop",
 	.print = NULL,
-	.init_global = NULL,
+	.init_global = loop_init_global,
 	.init_local = NULL,
 	.term = NULL,
 	.open = loopback_open,
diff --git a/platform/linux-generic/pktio/netmap.c b/platform/linux-generic/pktio/netmap.c
index d69df6b..cb67573 100644
--- a/platform/linux-generic/pktio/netmap.c
+++ b/platform/linux-generic/pktio/netmap.c
@@ -37,6 +37,7 @@ 
 #define NM_WAIT_TIMEOUT 10 /* netmap_wait_for_link() timeout in seconds */
 #define NM_INJECT_RETRIES 10
 
+static int disable_pktio; /** !0 this pktio disabled, 0 enabled */
 static int netmap_stats_reset(pktio_entry_t *pktio_entry);
 
 static int netmap_do_ioctl(pktio_entry_t *pktio_entry, unsigned long cmd,
@@ -332,7 +333,7 @@  static int netmap_open(odp_pktio_t id ODP_UNUSED, pktio_entry_t *pktio_entry,
 	odp_pktin_hash_proto_t hash_proto;
 	odp_pktio_stats_t cur_stats;
 
-	if (getenv("ODP_PKTIO_DISABLE_NETMAP"))
+	if (disable_pktio)
 		return -1;
 
 	if (pool == ODP_POOL_INVALID)
@@ -891,6 +892,21 @@  static void netmap_print(pktio_entry_t *pktio_entry)
 		rss_conf_print(&hash_proto);
 }
 
+static int netmap_init_global(void)
+{
+	if (getenv("ODP_PKTIO_DISABLE_NETMAP")) {
+		ODP_PRINT("PKTIO: socket mmap skipped,"
+			  " enabled export ODP_PKTIO_DISABLE_NETMAP=1.\n");
+		disable_pktio = 1;
+	} else  {
+		ODP_PRINT("PKTIO: initialized socket mmap,"
+			  " use export ODP_PKTIO_DISABLE_NETMAP=1 to disable.\n"
+			  " Netmap refixes are netmap:eth0 or vale:eth0. Refer to"
+			  " Netmap documentation for usage information.\n");
+	}
+	return 0;
+}
+
 const pktio_if_ops_t netmap_pktio_ops = {
 	.name = "netmap",
 	.print = netmap_print,
diff --git a/platform/linux-generic/pktio/pcap.c b/platform/linux-generic/pktio/pcap.c
index be9049a..e501858 100644
--- a/platform/linux-generic/pktio/pcap.c
+++ b/platform/linux-generic/pktio/pcap.c
@@ -430,10 +430,16 @@  static int pcapif_stats(pktio_entry_t *pktio_entry,
 	return 0;
 }
 
+static int pcapif_init_global(void)
+{
+	ODP_PRINT("PKTIO: initialized pcap interface.\n");
+	return 0;
+}
+
 const pktio_if_ops_t pcap_pktio_ops = {
 	.name = "pcap",
 	.print = NULL,
-	.init_global = NULL,
+	.init_global = pcapif_init_global,
 	.init_local = NULL,
 	.open = pcapif_init,
 	.close = pcapif_close,
diff --git a/platform/linux-generic/pktio/socket.c b/platform/linux-generic/pktio/socket.c
index 5d85ef5..0309b0d 100644
--- a/platform/linux-generic/pktio/socket.c
+++ b/platform/linux-generic/pktio/socket.c
@@ -46,6 +46,8 @@ 
 #include <protocols/eth.h>
 #include <protocols/ip.h>
 
+static int disable_pktio; /** !0 this pktio disabled, 0 enabled */
+
 static int sock_stats_reset(pktio_entry_t *pktio_entry);
 
 /** Provide a sendmmsg wrapper for systems with no libc or kernel support.
@@ -571,7 +573,7 @@  static int sock_mmsg_open(odp_pktio_t id ODP_UNUSED,
 			  pktio_entry_t *pktio_entry,
 			  const char *devname, odp_pool_t pool)
 {
-	if (getenv("ODP_PKTIO_DISABLE_SOCKET_MMSG"))
+	if (disable_pktio)
 		return -1;
 	return sock_setup_pkt(pktio_entry, devname, pool);
 }
@@ -894,10 +896,23 @@  static int sock_stats_reset(pktio_entry_t *pktio_entry)
 				   pktio_entry->s.pkt_sock.sockfd);
 }
 
+static int sock_init_global(void)
+{
+	if (getenv("ODP_PKTIO_DISABLE_SOCKET_MMSG")) {
+		ODP_PRINT("PKTIO: socket mmsg skipped,"
+			  " enabled export ODP_PKTIO_DISABLE_SOCKET_MMSG=1.\n");
+		disable_pktio = 1;
+	} else {
+		ODP_PRINT("PKTIO: initialized socket mmsg,"
+			  "use export ODP_PKTIO_DISABLE_SOCKET_MMSG=1 to disable.\n");
+	}
+	return 0;
+}
+
 const pktio_if_ops_t sock_mmsg_pktio_ops = {
 	.name = "socket",
 	.print = NULL,
-	.init_global = NULL,
+	.init_global = sock_init_global,
 	.init_local = NULL,
 	.term = NULL,
 	.open = sock_mmsg_open,
diff --git a/platform/linux-generic/pktio/socket_mmap.c b/platform/linux-generic/pktio/socket_mmap.c
index 11bb7d6..b6be81a 100644
--- a/platform/linux-generic/pktio/socket_mmap.c
+++ b/platform/linux-generic/pktio/socket_mmap.c
@@ -35,6 +35,8 @@ 
 #include <protocols/eth.h>
 #include <protocols/ip.h>
 
+static int disable_pktio; /** !0 this pktio disabled, 0 enabled */
+
 static int set_pkt_sock_fanout_mmap(pkt_sock_mmap_t *const pkt_sock,
 				    int sock_group_idx)
 {
@@ -503,7 +505,7 @@  static int sock_mmap_open(odp_pktio_t id ODP_UNUSED,
 	int ret = 0;
 	odp_pktio_stats_t cur_stats;
 
-	if (getenv("ODP_PKTIO_DISABLE_SOCKET_MMAP"))
+	if (disable_pktio)
 		return -1;
 
 	pkt_sock_mmap_t *const pkt_sock = &pktio_entry->s.pkt_sock_mmap;
@@ -688,10 +690,23 @@  static int sock_mmap_stats_reset(pktio_entry_t *pktio_entry)
 				   pktio_entry->s.pkt_sock_mmap.sockfd);
 }
 
+static int sock_mmap_init_global(void)
+{
+	if (getenv("ODP_PKTIO_DISABLE_SOCKET_MMAP")) {
+		ODP_PRINT("PKTIO: socket mmap skipped,"
+				" enabled export ODP_PKTIO_DISABLE_SOCKET_MMAP=1.\n");
+		disable_pktio = 1;
+	} else  {
+		ODP_PRINT("PKTIO: initialized socket mmap,"
+				" use export ODP_PKTIO_DISABLE_SOCKET_MMAP=1 to disable.\n");
+	}
+	return 0;
+}
+
 const pktio_if_ops_t sock_mmap_pktio_ops = {
 	.name = "socket_mmap",
 	.print = NULL,
-	.init_global = NULL,
+	.init_global = sock_mmap_init_global,
 	.init_local = NULL,
 	.term = NULL,
 	.open = sock_mmap_open,
diff --git a/test/performance/odp_l2fwd.c b/test/performance/odp_l2fwd.c
index e296b94..f4947ca 100644
--- a/test/performance/odp_l2fwd.c
+++ b/test/performance/odp_l2fwd.c
@@ -1032,10 +1032,6 @@  static void usage(char *progname)
 	       "  -e, --error_check 0: Don't check packet errors (default)\n"
 	       "                    1: Check packet errors\n"
 	       "  -h, --help           Display help and exit.\n\n"
-	       " environment variables: ODP_PKTIO_DISABLE_NETMAP\n"
-	       "                        ODP_PKTIO_DISABLE_SOCKET_MMAP\n"
-	       "                        ODP_PKTIO_DISABLE_SOCKET_MMSG\n"
-	       " can be used to advanced pkt I/O selection for odp-linux\n"
 	       "\n", NO_PATH(progname), NO_PATH(progname), MAX_PKTIOS
 	    );
 }