On 2025/1/4 3:06, Stephen Hemminger wrote: > On Fri, 03 Jan 2025 23:04:13 +0800 > "WanRenyong" <wa...@yunsilicon.com> wrote: > >> +static int >> +xsc_vfio_get_mac(struct xsc_dev *xdev, uint8_t *mac) >> +{ >> + struct xsc_cmd_query_eth_mac_mbox_in in; >> + struct xsc_cmd_query_eth_mac_mbox_out out; >> + int ret; >> + >> + memset(&in, 0, sizeof(in)); >> + memset(&out, 0, sizeof(out)); >> + in.hdr.opcode = rte_cpu_to_be_16(XSC_CMD_OP_QUERY_ETH_MAC); >> + ret = xsc_vfio_mbox_exec(xdev, &in, sizeof(in), &out, sizeof(out)); >> + if (ret != 0 || out.hdr.status != 0) { >> + PMD_DRV_LOG(ERR, "Failed to get mtu, port=%d, err=%d, >> out.status=%u", >> + xdev->port_id, ret, out.hdr.status); >> + rte_errno = ENOEXEC; >> + return -rte_errno; >> + } >> + >> + memcpy(mac, out.mac, 6); > Prefer to use RTE_ETHER_ADDR_LEN rather than 6. > Or use rte_ether_addr_copy will fix it in the next version.
-- Thanks, WanRenyong