On 9/30/19 11:49 AM, Zhang, Qi Z wrote:
The issue has been fixed in below patch
http://patchwork.dpdk.org/patch/60091/

Thanks for the fix,
Andrew.

-----Original Message-----
From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Zhao1, Wei
Sent: Monday, September 30, 2019 4:44 PM
To: Andrew Rybchenko <arybche...@solarflare.com>; Lu, Wenzhuo
<wenzhuo...@intel.com>; Wu, Jingjing <jingjing...@intel.com>; Iremonger,
Bernard <bernard.iremon...@intel.com>; Adrien Mazarguil
<adrien.mazarg...@6wind.com>
Cc: dev@dpdk.org; Ivan Ilchenko <ivan.ilche...@oktetlabs.ru>
Subject: Re: [dpdk-dev] [PATCH 02/51] app/testpmd: check status of getting
ethdev info

Hi, Ivan Ilchenko and Andrew Rybchenko

An error is cause by this patch,  it is very easy to reappear.
You only need to bind a ixgbe nic driver , and run up testpmd:
./x86_64-native-linuxapp-gcc/app/testpmd  -c 0xff -n 4 -- -i --portmask=0xff
--rxq=8 --txq=8 --port-topology=loop

Then input a rte_flow rss action cmd:
flow create 0 ingress pattern eth / ipv4 dst is 192.168.0.1 / udp / end actions
rss queues 4 5 end / end bad arguments

so, rte_flow action rss can not be used after this patch.


-----Original Message-----
From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Andrew Rybchenko
Sent: Tuesday, August 27, 2019 10:25 PM
To: Lu, Wenzhuo <wenzhuo...@intel.com>; Wu, Jingjing
<jingjing...@intel.com>; Iremonger, Bernard
<bernard.iremon...@intel.com>; Adrien Mazarguil
<adrien.mazarg...@6wind.com>
Cc: dev@dpdk.org; Ivan Ilchenko <ivan.ilche...@oktetlabs.ru>
Subject: [dpdk-dev] [PATCH 02/51] app/testpmd: check status of getting
ethdev info

From: Ivan Ilchenko <ivan.ilche...@oktetlabs.ru>

Add eth_dev_info_get_print_err() which is a wrapper for
rte_eth_dev_info_get() printing error if rte_eth_dev_info_get() fails
and returning its status code.

Signed-off-by: Ivan Ilchenko <ivan.ilche...@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybche...@solarflare.com>
---
  app/test-pmd/cmdline.c      | 119
++++++++++++++++++++++++++++++++++++--------
  app/test-pmd/cmdline_flow.c |   5 +-
  app/test-pmd/config.c       |  78 ++++++++++++++++++++++++-----
  app/test-pmd/parameters.c   |   8 ++-
  app/test-pmd/testpmd.c      |  30 ++++++++---
  app/test-pmd/testpmd.h      |   3 ++
  app/test-pmd/util.c         |  28 ++++++++++-
  7 files changed, 228 insertions(+), 43 deletions(-)

diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index
56783aa..d4ab143 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -2273,6 +2273,7 @@ struct cmd_config_rss {
        int all_updated = 1;
        int diag;
        uint16_t i;
+       int ret;

        if (!strcmp(res->value, "all"))
                rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_TCP | @@ -2312,7
+2313,10 @@ struct cmd_config_rss {
        RTE_ETH_FOREACH_DEV(i) {
                struct rte_eth_rss_conf local_rss_conf;

-               rte_eth_dev_info_get(i, &dev_info);
+               ret = eth_dev_info_get_print_err(i, &dev_info);
+               if (ret != 0)
+                       return;
+
                if (use_default)
                        rss_conf.rss_hf = dev_info.flow_type_rss_offloads;

@@ -2410,9 +2414,13 @@ struct cmd_config_rss_hash_key {
        struct rte_eth_dev_info dev_info;
        uint8_t hash_key_size;
        uint32_t key_len;
+       int ret;

        memset(&dev_info, 0, sizeof(dev_info));
-       rte_eth_dev_info_get(res->port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(res->port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if (dev_info.hash_key_size > 0 &&
                        dev_info.hash_key_size <= sizeof(hash_key))
                hash_key_size = dev_info.hash_key_size; @@ -2945,7
+2953,10 @@ struct cmd_config_rss_reta {
        struct cmd_config_rss_reta *res = parsed_result;

        memset(&dev_info, 0, sizeof(dev_info));
-       rte_eth_dev_info_get(res->port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(res->port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if (dev_info.reta_size == 0) {
                printf("Redirection table size is 0 which is "
                                        "invalid for RSS\n");
@@ -3063,9 +3074,13 @@ struct cmd_showport_reta {
        struct rte_eth_rss_reta_entry64 reta_conf[8];
        struct rte_eth_dev_info dev_info;
        uint16_t max_reta_size;
+       int ret;

        memset(&dev_info, 0, sizeof(dev_info));
-       rte_eth_dev_info_get(res->port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(res->port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        max_reta_size = RTE_MIN(dev_info.reta_size, ETH_RSS_RETA_SIZE_512);
        if (res->size == 0 || res->size > max_reta_size) {
                printf("Invalid redirection table size: %u (1-%u)\n", @@ -
3292,6 +3307,7 @@ struct cmd_config_burst {
        struct cmd_config_burst *res = parsed_result;
        struct rte_eth_dev_info dev_info;
        uint16_t rec_nb_pkts;
+       int ret;

        if (!all_ports_stopped()) {
                printf("Please stop all ports first\n"); @@ -3305,7 +3321,10 @@
struct cmd_config_burst {
                         * size for all ports, so assume all ports are the same
                         * NIC model and use the values from Port 0.
                         */
-                       rte_eth_dev_info_get(0, &dev_info);
+                       ret = eth_dev_info_get_print_err(0, &dev_info);
+                       if (ret != 0)
+                               return;
+
                        rec_nb_pkts =
dev_info.default_rxportconf.burst_size;

                        if (rec_nb_pkts == 0) {
@@ -4375,6 +4394,7 @@ struct cmd_csum_result {  {
        struct rte_eth_dev_info dev_info;
        uint64_t tx_offloads;
+       int ret;

        tx_offloads = ports[port_id].dev_conf.txmode.offloads;
        printf("Parse tunnel is %s\n",
@@ -4393,7 +4413,10 @@ struct cmd_csum_result {
                (tx_offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) ?
"hw" : "sw");

        /* display warnings if configuration is not supported by the NIC */
-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if ((tx_offloads & DEV_TX_OFFLOAD_IPV4_CKSUM) &&
                (dev_info.tx_offload_capa &
DEV_TX_OFFLOAD_IPV4_CKSUM) == 0) {
                printf("Warning: hardware IP checksum enabled but not "
@@ -4447,6 +4470,7 @@ struct cmd_csum_result {
        int hw = 0;
        uint64_t csum_offloads = 0;
        struct rte_eth_dev_info dev_info;
+       int ret;

        if (port_id_is_invalid(res->port_id, ENABLED_WARN)) {
                printf("invalid port %d\n", res->port_id); @@ -4457,7
+4481,10 @@ struct cmd_csum_result {
                return;
        }

-       rte_eth_dev_info_get(res->port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(res->port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if (!strcmp(res->mode, "set")) {

                if (!strcmp(res->hwsw, "hw"))
@@ -4645,6 +4672,7 @@ struct cmd_tso_set_result {  {
        struct cmd_tso_set_result *res = parsed_result;
        struct rte_eth_dev_info dev_info;
+       int ret;

        if (port_id_is_invalid(res->port_id, ENABLED_WARN))
                return;
@@ -4656,7 +4684,10 @@ struct cmd_tso_set_result {
        if (!strcmp(res->mode, "set"))
                ports[res->port_id].tso_segsz = res->tso_segsz;

-       rte_eth_dev_info_get(res->port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(res->port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if ((ports[res->port_id].tso_segsz != 0) &&
                (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO) == 0) {
                printf("Error: TSO is not supported by port %d\n", @@ -
4677,7 +4708,10 @@ struct cmd_tso_set_result {
        cmd_config_queue_tx_offloads(&ports[res->port_id]);

        /* display warnings if configuration is not supported by the NIC */
-       rte_eth_dev_info_get(res->port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(res->port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if ((ports[res->port_id].tso_segsz != 0) &&
                (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO) == 0) {
                printf("Warning: TSO enabled but not "
@@ -4746,7 +4780,8 @@ struct cmd_tunnel_tso_set_result {  {
        struct rte_eth_dev_info dev_info;

-       rte_eth_dev_info_get(port_id, &dev_info);
+       eth_dev_info_get_print_err(port_id, &dev_info);
+
        if (!(dev_info.tx_offload_capa &
DEV_TX_OFFLOAD_VXLAN_TNL_TSO))
                printf("Warning: VXLAN TUNNEL TSO not supported therefore "
                       "not enabled for port %d\n", port_id); @@ -11184,7
+11219,11 @@ struct cmd_flow_director_result {
                        struct rte_eth_dev_info dev_info;

                        memset(&dev_info, 0, sizeof(dev_info));
-                       rte_eth_dev_info_get(res->port_id, &dev_info);
+                       ret = eth_dev_info_get_print_err(res->port_id,
+                                               &dev_info);
+                       if (ret != 0)
+                               return;
+
                        errno = 0;
                        vf_id = strtoul(res->pf_vf + 2, &end, 10);
                        if (errno != 0 || *end != '\0' ||
@@ -14176,7 +14215,10 @@ struct cmd_macsec_offload_on_result {
                return;
        }

-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MACSEC_INSERT) {
#ifdef RTE_LIBRTE_IXGBE_PMD
                ret = rte_pmd_ixgbe_macsec_enable(port_id, en, rp); @@ -
14270,7 +14312,10 @@ struct cmd_macsec_offload_off_result {
                return;
        }

-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MACSEC_INSERT) {
#ifdef RTE_LIBRTE_IXGBE_PMD
                ret = rte_pmd_ixgbe_macsec_disable(port_id);
@@ -17980,8 +18025,12 @@ struct cmd_rx_offload_get_capa_result {
        portid_t port_id = res->port_id;
        uint64_t queue_offloads;
        uint64_t port_offloads;
+       int ret;
+
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;

-       rte_eth_dev_info_get(port_id, &dev_info);
        queue_offloads = dev_info.rx_queue_offload_capa;
        port_offloads = dev_info.rx_offload_capa ^ queue_offloads;

@@ -18053,6 +18102,7 @@ struct cmd_rx_offload_get_configuration_result
{
        uint64_t queue_offloads;
        uint16_t nb_rx_queues;
        int q;
+       int ret;

        printf("Rx Offloading Configuration of port %d :\n", port_id);

@@ -18061,7 +18111,10 @@ struct
cmd_rx_offload_get_configuration_result {
        print_rx_offloads(port_offloads);
        printf("\n");

-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        nb_rx_queues = dev_info.nb_rx_queues;
        for (q = 0; q < nb_rx_queues; q++) {
                queue_offloads = port->rx_conf[q].offloads; @@ -18160,6
+18213,7 @@ struct cmd_config_per_port_rx_offload_result {
        uint64_t single_offload;
        uint16_t nb_rx_queues;
        int q;
+       int ret;

        if (port->port_status != RTE_PORT_STOPPED) {
                printf("Error: Can't config offload when Port %d "
@@ -18173,7 +18227,10 @@ struct cmd_config_per_port_rx_offload_result
{
                return;
        }

-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        nb_rx_queues = dev_info.nb_rx_queues;
        if (!strcmp(res->on_off, "on")) {
                port->dev_conf.rxmode.offloads |= single_offload; @@ -
18261,6 +18318,7 @@ struct cmd_config_per_queue_rx_offload_result {
        uint16_t queue_id = res->queue_id;
        struct rte_port *port = &ports[port_id];
        uint64_t single_offload;
+       int ret;

        if (port->port_status != RTE_PORT_STOPPED) {
                printf("Error: Can't config offload when Port %d "
@@ -18268,7 +18326,10 @@ struct
cmd_config_per_queue_rx_offload_result {
                return;
        }

-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if (queue_id >= dev_info.nb_rx_queues) {
                printf("Error: input queue_id should be 0 ... "
                       "%d\n", dev_info.nb_rx_queues - 1); @@ -18374,8
+18435,12 @@ struct cmd_tx_offload_get_capa_result {
        portid_t port_id = res->port_id;
        uint64_t queue_offloads;
        uint64_t port_offloads;
+       int ret;
+
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;

-       rte_eth_dev_info_get(port_id, &dev_info);
        queue_offloads = dev_info.tx_queue_offload_capa;
        port_offloads = dev_info.tx_offload_capa ^ queue_offloads;

@@ -18447,6 +18512,7 @@ struct cmd_tx_offload_get_configuration_result
{
        uint64_t queue_offloads;
        uint16_t nb_tx_queues;
        int q;
+       int ret;

        printf("Tx Offloading Configuration of port %d :\n", port_id);

@@ -18455,7 +18521,10 @@ struct
cmd_tx_offload_get_configuration_result {
        print_tx_offloads(port_offloads);
        printf("\n");

-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        nb_tx_queues = dev_info.nb_tx_queues;
        for (q = 0; q < nb_tx_queues; q++) {
                queue_offloads = port->tx_conf[q].offloads; @@ -18559,6
+18628,7 @@ struct cmd_config_per_port_tx_offload_result {
        uint64_t single_offload;
        uint16_t nb_tx_queues;
        int q;
+       int ret;

        if (port->port_status != RTE_PORT_STOPPED) {
                printf("Error: Can't config offload when Port %d "
@@ -18572,7 +18642,10 @@ struct cmd_config_per_port_tx_offload_result
{
                return;
        }

-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        nb_tx_queues = dev_info.nb_tx_queues;
        if (!strcmp(res->on_off, "on")) {
                port->dev_conf.txmode.offloads |= single_offload; @@ -
18663,6 +18736,7 @@ struct cmd_config_per_queue_tx_offload_result {
        uint16_t queue_id = res->queue_id;
        struct rte_port *port = &ports[port_id];
        uint64_t single_offload;
+       int ret;

        if (port->port_status != RTE_PORT_STOPPED) {
                printf("Error: Can't config offload when Port %d "
@@ -18670,7 +18744,10 @@ struct
cmd_config_per_queue_tx_offload_result {
                return;
        }

-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if (queue_id >= dev_info.nb_tx_queues) {
                printf("Error: input queue_id should be 0 ... "
                       "%d\n", dev_info.nb_tx_queues - 1); diff --git
a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c index
4958713..369426c 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -3550,7 +3550,10 @@ static int comp_vc_action_rss_queue(struct
context *, const struct token *,
            ctx->port != (portid_t)RTE_PORT_ALL) {
                struct rte_eth_dev_info info;

-               rte_eth_dev_info_get(ctx->port, &info);
+               ret = rte_eth_dev_info_get(ctx->port, &info);
+               if (ret != 0)
+                       return ret;
+
                action_rss_data->conf.key_len =
                        RTE_MIN(sizeof(action_rss_data->key),
                                info.hash_key_size);
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c index
1a5a5c1..0ef7c36 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -471,6 +471,7 @@ static int bus_match_all(const struct rte_bus
*bus, const void *data)
        static const char *info_border = "*********************";
        uint16_t mtu;
        char name[RTE_ETH_NAME_MAX_LEN];
+       int ret;

        if (port_id_is_invalid(port_id, ENABLED_WARN)) {
                print_valid_ports();
@@ -479,7 +480,11 @@ static int bus_match_all(const struct rte_bus
*bus, const void *data)
        port = &ports[port_id];
        rte_eth_link_get_nowait(port_id, &link);
        memset(&dev_info, 0, sizeof(dev_info));
-       rte_eth_dev_info_get(port_id, &dev_info);
+
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        printf("\n%s Infos for port %-2d %s\n",
               info_border, port_id, info_border);
        rte_eth_macaddr_get(port_id, &mac_addr); @@ -618,6 +623,7 @@ static
int bus_match_all(const struct rte_bus *bus, const void *data)
        struct rte_eth_link link;
        struct rte_eth_dev_info dev_info;
        char name[RTE_ETH_NAME_MAX_LEN];
+       int ret;

        if (port_id_is_invalid(port_id, ENABLED_WARN)) {
                print_valid_ports();
@@ -625,7 +631,11 @@ static int bus_match_all(const struct rte_bus
*bus, const void *data)
        }

        rte_eth_link_get_nowait(port_id, &link);
-       rte_eth_dev_info_get(port_id, &dev_info);
+
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        rte_eth_dev_get_name_by_port(port_id, name);
        rte_eth_macaddr_get(port_id, &mac_addr);

@@ -642,11 +652,14 @@ static int bus_match_all(const struct rte_bus
*bus, const void *data)  {
        struct rte_eth_dev_info dev_info;
        static const char *info_border = "************";
+       int ret;

        if (port_id_is_invalid(port_id, ENABLED_WARN))
                return;

-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;

        printf("\n%s Port %d supported offload features: %s\n",
                info_border, port_id, info_border); @@ -1140,10 +1153,15 @@ void
print_valid_ports(void)  {
        int diag;
        struct rte_eth_dev_info dev_info;
+       int ret;

        if (port_id_is_invalid(port_id, ENABLED_WARN))
                return;
-       rte_eth_dev_info_get(port_id, &dev_info);
+
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if (mtu > dev_info.max_mtu || mtu < dev_info.min_mtu) {
                printf("Set MTU failed. MTU:%u is not in valid range, min:%u
- max:%u\n",
                        mtu, dev_info.min_mtu, dev_info.max_mtu); @@ -
1618,13 +1636,17 @@ struct igb_ring_desc_16_bytes {  #endif
                           uint16_t desc_id)
  {
+       int ret;
        struct igb_ring_desc_16_bytes *ring =
                (struct igb_ring_desc_16_bytes *)ring_mz->addr;  #ifndef
RTE_LIBRTE_I40E_16BYTE_RX_DESC
        struct rte_eth_dev_info dev_info;

        memset(&dev_info, 0, sizeof(dev_info));
-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if (strstr(dev_info.driver_name, "i40e") != NULL) {
                /* 32 bytes RX descriptor, i40e only */
                struct igb_ring_desc_32_bytes *ring = @@ -1834,11 +1856,15 @@
struct igb_ring_desc_16_bytes {
        int diag;
        struct rte_eth_dev_info dev_info;
        uint8_t hash_key_size;
+       int ret;

        if (port_id_is_invalid(port_id, ENABLED_WARN))
                return;

-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if (dev_info.hash_key_size > 0 &&
                        dev_info.hash_key_size <= sizeof(rss_key))
                hash_key_size = dev_info.hash_key_size; @@ -2796,11
+2822,15 @@ struct igb_ring_desc_16_bytes {  {
        struct rte_eth_dev_info dev_info;
        uint16_t queue;
+       int ret;

        if (port_id_is_invalid(portid, ENABLED_WARN))
                return;

-       rte_eth_dev_info_get(portid, &dev_info);
+       ret = eth_dev_info_get_print_err(portid, &dev_info);
+       if (ret != 0)
+               return;
+
        for (queue = 0; queue < dev_info.nb_rx_queues; queue++)
                if (!ports[portid].rx_dump_cb[queue])
                        ports[portid].rx_dump_cb[queue] =
@@ -2813,10 +2843,15 @@ struct igb_ring_desc_16_bytes {  {
        struct rte_eth_dev_info dev_info;
        uint16_t queue;
+       int ret;

        if (port_id_is_invalid(portid, ENABLED_WARN))
                return;
-       rte_eth_dev_info_get(portid, &dev_info);
+
+       ret = eth_dev_info_get_print_err(portid, &dev_info);
+       if (ret != 0)
+               return;
+
        for (queue = 0; queue < dev_info.nb_tx_queues; queue++)
                if (!ports[portid].tx_dump_cb[queue])
                        ports[portid].tx_dump_cb[queue] =
@@ -2829,10 +2864,15 @@ struct igb_ring_desc_16_bytes {  {
        struct rte_eth_dev_info dev_info;
        uint16_t queue;
+       int ret;

        if (port_id_is_invalid(portid, ENABLED_WARN))
                return;
-       rte_eth_dev_info_get(portid, &dev_info);
+
+       ret = eth_dev_info_get_print_err(portid, &dev_info);
+       if (ret != 0)
+               return;
+
        for (queue = 0; queue < dev_info.nb_rx_queues; queue++)
                if (ports[portid].rx_dump_cb[queue]) {
                        rte_eth_remove_rx_callback(portid, queue, @@ -
2846,10 +2886,15 @@ struct igb_ring_desc_16_bytes {  {
        struct rte_eth_dev_info dev_info;
        uint16_t queue;
+       int ret;

        if (port_id_is_invalid(portid, ENABLED_WARN))
                return;
-       rte_eth_dev_info_get(portid, &dev_info);
+
+       ret = eth_dev_info_get_print_err(portid, &dev_info);
+       if (ret != 0)
+               return;
+
        for (queue = 0; queue < dev_info.nb_tx_queues; queue++)
                if (ports[portid].tx_dump_cb[queue]) {
                        rte_eth_remove_tx_callback(portid, queue, @@ -
3037,6 +3082,7 @@ struct igb_ring_desc_16_bytes {
tx_vlan_set(portid_t port_id, uint16_t vlan_id)  {
        struct rte_eth_dev_info dev_info;
+       int ret;

        if (port_id_is_invalid(port_id, ENABLED_WARN))
                return;
@@ -3048,7 +3094,11 @@ struct igb_ring_desc_16_bytes {
                printf("Error, as QinQ has been enabled.\n");
                return;
        }
-       rte_eth_dev_info_get(port_id, &dev_info);
+
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if ((dev_info.tx_offload_capa & DEV_TX_OFFLOAD_VLAN_INSERT) == 0) {
                printf("Error: vlan insert is not supported by port %d\n",
                        port_id);
@@ -3064,6 +3114,7 @@ struct igb_ring_desc_16_bytes {
tx_qinq_set(portid_t port_id, uint16_t vlan_id, uint16_t vlan_id_outer)  {
        struct rte_eth_dev_info dev_info;
+       int ret;

        if (port_id_is_invalid(port_id, ENABLED_WARN))
                return;
@@ -3072,7 +3123,10 @@ struct igb_ring_desc_16_bytes {
        if (vlan_id_is_invalid(vlan_id_outer))
                return;

-       rte_eth_dev_info_get(port_id, &dev_info);
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               return;
+
        if ((dev_info.tx_offload_capa & DEV_TX_OFFLOAD_QINQ_INSERT) == 0) {
                printf("Error: qinq insert not supported by port %d\n",
                        port_id);
diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c
index 5244872..6c78dca 100644
--- a/app/test-pmd/parameters.c
+++ b/app/test-pmd/parameters.c
@@ -562,6 +562,7 @@
        uint64_t tx_offloads = tx_mode.offloads;
        struct rte_eth_dev_info dev_info;
        uint16_t rec_nb_pkts;
+       int ret;

        static struct option lgopts[] = {
                { "help",                     0, 0, 0 },
@@ -1050,7 +1051,12 @@
                                         * value, on the assumption that all
                                         * ports are of the same NIC model.
                                         */
-                                       rte_eth_dev_info_get(0, &dev_info);
+                                       ret = eth_dev_info_get_print_err(
+                                                               0,
+                                                               &dev_info);
+                                       if (ret != 0)
+                                               return;
+
                                        rec_nb_pkts = dev_info

        .default_rxportconf.burst_size;

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index
e8e2a39..0117236 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -1016,7 +1016,8 @@ struct extmem_param {
        struct rte_eth_dev_info dev_info;

        RTE_ETH_FOREACH_DEV(pi) {
-               rte_eth_dev_info_get(pi, &dev_info);
+               eth_dev_info_get_print_err(pi, &dev_info);
+
                if (dev_info.max_rx_queues < allowed_max_rxq) {
                        allowed_max_rxq = dev_info.max_rx_queues;
                        *pid = pi;
@@ -1062,7 +1063,8 @@ struct extmem_param {
        struct rte_eth_dev_info dev_info;

        RTE_ETH_FOREACH_DEV(pi) {
-               rte_eth_dev_info_get(pi, &dev_info);
+               eth_dev_info_get_print_err(pi, &dev_info);
+
                if (dev_info.max_tx_queues < allowed_max_txq) {
                        allowed_max_txq = dev_info.max_tx_queues;
                        *pid = pi;
@@ -1109,6 +1111,7 @@ struct extmem_param {
        uint16_t data_size;
        bool warning = 0;
        int k;
+       int ret;

        memset(port_per_socket,0,RTE_MAX_NUMA_NODES);

@@ -1136,7 +1139,10 @@ struct extmem_param {
                /* Apply default TxRx configuration for all ports */
                port->dev_conf.txmode = tx_mode;
                port->dev_conf.rxmode = rx_mode;
-               rte_eth_dev_info_get(pid, &port->dev_info);
+
+               ret = eth_dev_info_get_print_err(pid, &port->dev_info);
+               if (ret != 0)
+                       return;

                if (!(port->dev_info.tx_offload_capa &
                      DEV_TX_OFFLOAD_MBUF_FAST_FREE)) @@ -1295,10
+1301,14 @@ struct extmem_param {  reconfig(portid_t new_port_id,
unsigned socket_id)  {
        struct rte_port *port;
+       int ret;

        /* Reconfiguration of Ethernet ports. */
        port = &ports[new_port_id];
-       rte_eth_dev_info_get(new_port_id, &port->dev_info);
+
+       ret = eth_dev_info_get_print_err(new_port_id, &port->dev_info);
+       if (ret != 0)
+               return;

        /* set flag to initialize port/queue */
        port->need_reconfig = 1;
@@ -2927,11 +2937,16 @@ struct pmd_test_command {  {
        portid_t pid;
        struct rte_port *port;
+       int ret;

        RTE_ETH_FOREACH_DEV(pid) {
                port = &ports[pid];
                port->dev_conf.fdir_conf = fdir_conf;
-               rte_eth_dev_info_get(pid, &port->dev_info);
+
+               ret = eth_dev_info_get_print_err(pid, &port->dev_info);
+               if (ret != 0)
+                       return;
+
                if (nb_rxq > 1) {
                        port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL;
                        port->dev_conf.rx_adv_conf.rss_conf.rss_hf = @@ -
3106,7 +3121,10 @@ uint8_t port_is_bonding_slave(portid_t slave_pid)
        retval = rte_eth_dev_configure(pid, nb_rxq, nb_rxq, &port_conf);
        if (retval < 0)
                return retval;
-       rte_eth_dev_info_get(pid, &rte_port->dev_info);
+
+       retval = eth_dev_info_get_print_err(pid, &rte_port->dev_info);
+       if (retval != 0)
+               return retval;

        /* If dev_info.vmdq_pool_base is greater than 0,
         * the queue id of vmdq pools is started after pf queues.
diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h index
ce13eb8..d73955d 100644
--- a/app/test-pmd/testpmd.h
+++ b/app/test-pmd/testpmd.h
@@ -822,6 +822,9 @@ void port_rss_hash_key_update(portid_t port_id,
char rss_type[],  void setup_gro_flush_cycles(uint8_t cycles);  void
show_gro(portid_t port_id);  void setup_gso(const char *mode, portid_t
port_id);
+int eth_dev_info_get_print_err(uint16_t port_id,
+                       struct rte_eth_dev_info *dev_info);
+

  /* Functions to manage the set of filtered Multicast MAC addresses */
void mcast_addr_add(portid_t port_id, struct rte_ether_addr *mc_addr);
diff -- git a/app/test-pmd/util.c b/app/test-pmd/util.c index
18dfdca..009d226
100644
--- a/app/test-pmd/util.c
+++ b/app/test-pmd/util.c
@@ -194,10 +194,15 @@
  {
        struct rte_eth_dev_info dev_info;
        uint16_t queue;
+       int ret;

        if (port_id_is_invalid(portid, ENABLED_WARN))
                return;
-       rte_eth_dev_info_get(portid, &dev_info);
+
+       ret = eth_dev_info_get_print_err(portid, &dev_info);
+       if (ret != 0)
+               return;
+
        for (queue = 0; queue < dev_info.nb_tx_queues; queue++)
                if (!ports[portid].tx_set_md_cb[queue])
                        ports[portid].tx_set_md_cb[queue] = @@ -210,10 +215,15 
@@
{
        struct rte_eth_dev_info dev_info;
        uint16_t queue;
+       int ret;

        if (port_id_is_invalid(portid, ENABLED_WARN))
                return;
-       rte_eth_dev_info_get(portid, &dev_info);
+
+       ret = eth_dev_info_get_print_err(portid, &dev_info);
+       if (ret != 0)
+               return;
+
        for (queue = 0; queue < dev_info.nb_tx_queues; queue++)
                if (ports[portid].tx_set_md_cb[queue]) {
                        rte_eth_remove_tx_callback(portid, queue, @@ -
221,3 +231,17 @@
                        ports[portid].tx_set_md_cb[queue] = NULL;
                }
  }
+
+int
+eth_dev_info_get_print_err(uint16_t port_id,
+                                       struct rte_eth_dev_info *dev_info) {
+       int ret;
+
+       ret = rte_eth_dev_info_get(port_id, dev_info);
+       if (ret != 0)
+               printf("Error during getting device (port %u) info: %s\n",
+                               port_id, strerror(-ret));
+
+       return ret;
+}
--
1.8.3.1

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