tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8baef6386baaefb776bdd09b5c7630cf057c51c6 commit: ce7a6c3106de5724c45d555ed84acdd3930e8e71 octeontx2-af: cn10k: Add RPM Rx/Tx stats support date: 5 months ago config: mips-randconfig-m031-20210723 (attached as .config) compiler: mips64-linux-gcc (GCC) 10.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; New smatch warnings: drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c:1783 cgx_print_stats() warn: inconsistent indenting Old smatch warnings: drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c:480 rvu_dbg_qsize_write() warn: potentially one past the end of array 'cmd_buf[count]' drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c:480 rvu_dbg_qsize_write() warn: potentially one past the end of array 'cmd_buf[count]' vim +1783 drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c 1668 1669 #define PRINT_CGX_CUML_NIXRX_STATUS(idx, name) \ 1670 ({ \ 1671 u64 cnt; \ 1672 err = rvu_cgx_nix_cuml_stats(rvu, cgxd, lmac_id, (idx), \ 1673 NIX_STATS_RX, &(cnt)); \ 1674 if (!err) \ 1675 seq_printf(s, "%s: %llu\n", name, cnt); \ 1676 cnt; \ 1677 }) 1678 1679 #define PRINT_CGX_CUML_NIXTX_STATUS(idx, name) \ 1680 ({ \ 1681 u64 cnt; \ 1682 err = rvu_cgx_nix_cuml_stats(rvu, cgxd, lmac_id, (idx), \ 1683 NIX_STATS_TX, &(cnt)); \ 1684 if (!err) \ 1685 seq_printf(s, "%s: %llu\n", name, cnt); \ 1686 cnt; \ 1687 }) 1688 1689 static int cgx_print_stats(struct seq_file *s, int lmac_id) 1690 { 1691 struct cgx_link_user_info linfo; 1692 struct mac_ops *mac_ops; 1693 void *cgxd = s->private; 1694 u64 ucast, mcast, bcast; 1695 int stat = 0, err = 0; 1696 u64 tx_stat, rx_stat; 1697 struct rvu *rvu; 1698 1699 rvu = pci_get_drvdata(pci_get_device(PCI_VENDOR_ID_CAVIUM, 1700 PCI_DEVID_OCTEONTX2_RVU_AF, NULL)); 1701 if (!rvu) 1702 return -ENODEV; 1703 1704 mac_ops = get_mac_ops(cgxd); 1705 1706 if (!mac_ops) 1707 return 0; 1708 1709 /* Link status */ 1710 seq_puts(s, "\n=======Link Status======\n\n"); 1711 err = cgx_get_link_info(cgxd, lmac_id, &linfo); 1712 if (err) 1713 seq_puts(s, "Failed to read link status\n"); 1714 seq_printf(s, "\nLink is %s %d Mbps\n\n", 1715 linfo.link_up ? "UP" : "DOWN", linfo.speed); 1716 1717 /* Rx stats */ 1718 seq_printf(s, "\n=======NIX RX_STATS(%s port level)======\n\n", 1719 mac_ops->name); 1720 ucast = PRINT_CGX_CUML_NIXRX_STATUS(RX_UCAST, "rx_ucast_frames"); 1721 if (err) 1722 return err; 1723 mcast = PRINT_CGX_CUML_NIXRX_STATUS(RX_MCAST, "rx_mcast_frames"); 1724 if (err) 1725 return err; 1726 bcast = PRINT_CGX_CUML_NIXRX_STATUS(RX_BCAST, "rx_bcast_frames"); 1727 if (err) 1728 return err; 1729 seq_printf(s, "rx_frames: %llu\n", ucast + mcast + bcast); 1730 PRINT_CGX_CUML_NIXRX_STATUS(RX_OCTS, "rx_bytes"); 1731 if (err) 1732 return err; 1733 PRINT_CGX_CUML_NIXRX_STATUS(RX_DROP, "rx_drops"); 1734 if (err) 1735 return err; 1736 PRINT_CGX_CUML_NIXRX_STATUS(RX_ERR, "rx_errors"); 1737 if (err) 1738 return err; 1739 1740 /* Tx stats */ 1741 seq_printf(s, "\n=======NIX TX_STATS(%s port level)======\n\n", 1742 mac_ops->name); 1743 ucast = PRINT_CGX_CUML_NIXTX_STATUS(TX_UCAST, "tx_ucast_frames"); 1744 if (err) 1745 return err; 1746 mcast = PRINT_CGX_CUML_NIXTX_STATUS(TX_MCAST, "tx_mcast_frames"); 1747 if (err) 1748 return err; 1749 bcast = PRINT_CGX_CUML_NIXTX_STATUS(TX_BCAST, "tx_bcast_frames"); 1750 if (err) 1751 return err; 1752 seq_printf(s, "tx_frames: %llu\n", ucast + mcast + bcast); 1753 PRINT_CGX_CUML_NIXTX_STATUS(TX_OCTS, "tx_bytes"); 1754 if (err) 1755 return err; 1756 PRINT_CGX_CUML_NIXTX_STATUS(TX_DROP, "tx_drops"); 1757 if (err) 1758 return err; 1759 1760 /* Rx stats */ 1761 seq_printf(s, "\n=======%s RX_STATS======\n\n", mac_ops->name); 1762 while (stat < mac_ops->rx_stats_cnt) { 1763 err = mac_ops->mac_get_rx_stats(cgxd, lmac_id, stat, &rx_stat); 1764 if (err) 1765 return err; 1766 if (is_rvu_otx2(rvu)) 1767 seq_printf(s, "%s: %llu\n", cgx_rx_stats_fields[stat], 1768 rx_stat); 1769 else 1770 seq_printf(s, "%s: %llu\n", rpm_rx_stats_fields[stat], 1771 rx_stat); 1772 stat++; 1773 } 1774 1775 /* Tx stats */ 1776 stat = 0; 1777 seq_printf(s, "\n=======%s TX_STATS======\n\n", mac_ops->name); 1778 while (stat < mac_ops->tx_stats_cnt) { 1779 err = mac_ops->mac_get_tx_stats(cgxd, lmac_id, stat, &tx_stat); 1780 if (err) 1781 return err; 1782 1784 seq_printf(s, "%s: %llu\n", cgx_tx_stats_fields[stat], 1785 tx_stat); 1786 else 1787 seq_printf(s, "%s: %llu\n", rpm_tx_stats_fields[stat], 1788 tx_stat); 1789 stat++; 1790 } 1791 1792 return err; 1793 } 1794 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org