ethdev: fix MAC address in telemetry device info
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Commit Message
The right size for a human readable mac is RTE_ETHER_ADDR_FMT_SIZE.
While at it, the net library provides a helper for mac address
formatting. Prefer it.
Fixes: 58b43c1ddfd1 ("ethdev: add telemetry endpoint for device info")
Cc: stable@dpdk.org
Reported-by: Christophe Fontaine <cfontain@redhat.com>
Signed-off-by: David Marchand <david.marchand@redhat.com>
---
lib/ethdev/rte_ethdev.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
Comments
On 2/16/2022 2:13 PM, David Marchand wrote:
> The right size for a human readable mac is RTE_ETHER_ADDR_FMT_SIZE.
> While at it, the net library provides a helper for mac address
> formatting. Prefer it.
>
> Fixes: 58b43c1ddfd1 ("ethdev: add telemetry endpoint for device info")
> Cc:stable@dpdk.org
>
> Reported-by: Christophe Fontaine<cfontain@redhat.com>
> Signed-off-by: David Marchand<david.marchand@redhat.com>
>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
Applied to dpdk-next-net/main, thanks.
@@ -5631,7 +5631,7 @@ eth_dev_handle_port_info(const char *cmd __rte_unused,
struct rte_tel_data *d)
{
struct rte_tel_data *rxq_state, *txq_state;
- char mac_addr[RTE_ETHER_ADDR_LEN];
+ char mac_addr[RTE_ETHER_ADDR_FMT_SIZE];
struct rte_eth_dev *eth_dev;
char *end_param;
int port_id, i;
@@ -5672,13 +5672,8 @@ eth_dev_handle_port_info(const char *cmd __rte_unused,
eth_dev->data->min_rx_buf_size);
rte_tel_data_add_dict_int(d, "rx_mbuf_alloc_fail",
eth_dev->data->rx_mbuf_alloc_failed);
- snprintf(mac_addr, RTE_ETHER_ADDR_LEN, "%02x:%02x:%02x:%02x:%02x:%02x",
- eth_dev->data->mac_addrs->addr_bytes[0],
- eth_dev->data->mac_addrs->addr_bytes[1],
- eth_dev->data->mac_addrs->addr_bytes[2],
- eth_dev->data->mac_addrs->addr_bytes[3],
- eth_dev->data->mac_addrs->addr_bytes[4],
- eth_dev->data->mac_addrs->addr_bytes[5]);
+ rte_ether_format_addr(mac_addr, sizeof(mac_addr),
+ eth_dev->data->mac_addrs);
rte_tel_data_add_dict_string(d, "mac_addr", mac_addr);
rte_tel_data_add_dict_int(d, "promiscuous",
eth_dev->data->promiscuous);