net/softnic: fix undefined device info fields

The memcpy operation overwrites the device info fields set
by ethdev API and leaves the device field undefined.
Thus, replaces memcpy by only updating the required fields
at the driver layer.

error log: testpmd> show port info 1

**** Infos for port 1  ****
MAC address: 00:00:00:00:00:00
Device name: net_softnic0

Segmentation fault.
port_infos_display (port_id=1) at /dpdk/app/test-pmd/config.c:418
if (dev_info.device->devargs && dev_info.device->devargs->args)

Fixes: cc6d421574fe ("net/softnic: add softnic PMD")
Cc: stable@dpdk.org
Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/drivers/net/softnic/rte_eth_softnic.c b/drivers/net/softnic/rte_eth_softnic.c
index 743a7c5854cde02f2edf2c3b7f35377380b75bc3..14d4a10308c20940dcd1bc50a7d520f98b2ea4d7 100644 (file)
--- a/drivers/net/softnic/rte_eth_softnic.c
+++ b/drivers/net/softnic/rte_eth_softnic.c
@@ -59,23 +59,6 @@ static const struct softnic_conn_params conn_params_default = {
        .msg_handle_arg = NULL,
 };
 
-static const struct rte_eth_dev_info pmd_dev_info = {
-       .min_rx_bufsize = 0,
-       .max_rx_pktlen = UINT32_MAX,
-       .max_rx_queues = UINT16_MAX,
-       .max_tx_queues = UINT16_MAX,
-       .rx_desc_lim = {
-               .nb_max = UINT16_MAX,
-               .nb_min = 0,
-               .nb_align = 1,
-       },
-       .tx_desc_lim = {
-               .nb_max = UINT16_MAX,
-               .nb_min = 0,
-               .nb_align = 1,
-       },
-};
-
 static int pmd_softnic_logtype;
 
 #define PMD_LOG(level, fmt, args...) \
@@ -86,7 +69,9 @@ static void
 pmd_dev_infos_get(struct rte_eth_dev *dev __rte_unused,
        struct rte_eth_dev_info *dev_info)
 {
-       memcpy(dev_info, &pmd_dev_info, sizeof(*dev_info));
+       dev_info->max_rx_pktlen = UINT32_MAX;
+       dev_info->max_rx_queues = UINT16_MAX;
+       dev_info->max_tx_queues = UINT16_MAX;
 }
 
 static int