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Date: Sun, 30 Jul 2023 03:50:16 +0800
From: kernel test robot <lkp@...el.com>
To: Christian Marangi <ansuelsmth@...il.com>, Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Yang Yingliang <yangyingliang@...wei.com>,
"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
Atin Bainada <hi@...nb.me>, linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org
Subject: Re: [net-next PATCH v2 5/5] net: dsa: qca8k: use dsa_for_each macro
instead of for loop
Hi Christian,
kernel test robot noticed the following build errors:
[auto build test ERROR on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Christian-Marangi/net-dsa-qca8k-make-learning-configurable-and-keep-off-if-standalone/20230729-195747
base: net-next/main
patch link: https://lore.kernel.org/r/20230729115509.32601-5-ansuelsmth%40gmail.com
patch subject: [net-next PATCH v2 5/5] net: dsa: qca8k: use dsa_for_each macro instead of for loop
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230730/202307300305.RJlPYbyQ-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230730/202307300305.RJlPYbyQ-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307300305.RJlPYbyQ-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/net/dsa/qca/qca8k-8xxx.c: In function 'qca8k_setup':
>> drivers/net/dsa/qca/qca8k-8xxx.c:1869:42: error: 'i' undeclared (first use in this function)
1869 | if (dsa_is_user_port(ds, i))
| ^
drivers/net/dsa/qca/qca8k-8xxx.c:1869:42: note: each undeclared identifier is reported only once for each function it appears in
vim +/i +1869 drivers/net/dsa/qca/qca8k-8xxx.c
1798
1799 static int
1800 qca8k_setup(struct dsa_switch *ds)
1801 {
1802 struct qca8k_priv *priv = ds->priv;
1803 int cpu_port, ret, port;
1804 struct dsa_port *dp;
1805 u32 mask;
1806
1807 cpu_port = qca8k_find_cpu_port(ds);
1808 if (cpu_port < 0) {
1809 dev_err(priv->dev, "No cpu port configured in both cpu port0 and port6");
1810 return cpu_port;
1811 }
1812
1813 /* Parse CPU port config to be later used in phy_link mac_config */
1814 ret = qca8k_parse_port_config(priv);
1815 if (ret)
1816 return ret;
1817
1818 ret = qca8k_setup_mdio_bus(priv);
1819 if (ret)
1820 return ret;
1821
1822 ret = qca8k_setup_of_pws_reg(priv);
1823 if (ret)
1824 return ret;
1825
1826 ret = qca8k_setup_mac_pwr_sel(priv);
1827 if (ret)
1828 return ret;
1829
1830 ret = qca8k_setup_led_ctrl(priv);
1831 if (ret)
1832 return ret;
1833
1834 qca8k_setup_pcs(priv, &priv->pcs_port_0, 0);
1835 qca8k_setup_pcs(priv, &priv->pcs_port_6, 6);
1836
1837 /* Make sure MAC06 is disabled */
1838 ret = regmap_clear_bits(priv->regmap, QCA8K_REG_PORT0_PAD_CTRL,
1839 QCA8K_PORT0_PAD_MAC06_EXCHANGE_EN);
1840 if (ret) {
1841 dev_err(priv->dev, "failed disabling MAC06 exchange");
1842 return ret;
1843 }
1844
1845 /* Enable CPU Port */
1846 ret = regmap_set_bits(priv->regmap, QCA8K_REG_GLOBAL_FW_CTRL0,
1847 QCA8K_GLOBAL_FW_CTRL0_CPU_PORT_EN);
1848 if (ret) {
1849 dev_err(priv->dev, "failed enabling CPU port");
1850 return ret;
1851 }
1852
1853 /* Enable MIB counters */
1854 ret = qca8k_mib_init(priv);
1855 if (ret)
1856 dev_warn(priv->dev, "mib init failed");
1857
1858 /* Initial setup of all ports */
1859 dsa_switch_for_each_port(dp, ds) {
1860 port = dp->index;
1861
1862 /* Disable forwarding by default on all ports */
1863 ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
1864 QCA8K_PORT_LOOKUP_MEMBER, 0);
1865 if (ret)
1866 return ret;
1867
1868 /* Disable MAC by default on all user ports */
> 1869 if (dsa_is_user_port(ds, i))
1870 qca8k_port_set_status(priv, port, 0);
1871 }
1872
1873 /* Enable QCA header mode on all cpu ports */
1874 dsa_switch_for_each_cpu_port(dp, ds) {
1875 port = dp->index;
1876
1877 ret = qca8k_write(priv, QCA8K_REG_PORT_HDR_CTRL(port),
1878 FIELD_PREP(QCA8K_PORT_HDR_CTRL_TX_MASK, QCA8K_PORT_HDR_CTRL_ALL) |
1879 FIELD_PREP(QCA8K_PORT_HDR_CTRL_RX_MASK, QCA8K_PORT_HDR_CTRL_ALL));
1880 if (ret) {
1881 dev_err(priv->dev, "failed enabling QCA header mode on port %d", port);
1882 return ret;
1883 }
1884 }
1885
1886 /* Forward all unknown frames to CPU port for Linux processing
1887 * Notice that in multi-cpu config only one port should be set
1888 * for igmp, unknown, multicast and broadcast packet
1889 */
1890 ret = qca8k_write(priv, QCA8K_REG_GLOBAL_FW_CTRL1,
1891 FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_IGMP_DP_MASK, BIT(cpu_port)) |
1892 FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_BC_DP_MASK, BIT(cpu_port)) |
1893 FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_MC_DP_MASK, BIT(cpu_port)) |
1894 FIELD_PREP(QCA8K_GLOBAL_FW_CTRL1_UC_DP_MASK, BIT(cpu_port)));
1895 if (ret)
1896 return ret;
1897
1898 /* CPU port gets connected to all user ports of the switch */
1899 ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(cpu_port),
1900 QCA8K_PORT_LOOKUP_MEMBER, dsa_user_ports(ds));
1901 if (ret)
1902 return ret;
1903
1904 /* Setup connection between CPU port & user ports
1905 * Individual user ports get connected to CPU port only
1906 */
1907 dsa_switch_for_each_user_port(dp, ds) {
1908 port = dp->index;
1909
1910 ret = qca8k_rmw(priv, QCA8K_PORT_LOOKUP_CTRL(port),
1911 QCA8K_PORT_LOOKUP_MEMBER,
1912 BIT(cpu_port));
1913 if (ret)
1914 return ret;
1915
1916 ret = regmap_clear_bits(priv->regmap, QCA8K_PORT_LOOKUP_CTRL(port),
1917 QCA8K_PORT_LOOKUP_LEARN);
1918 if (ret)
1919 return ret;
1920
1921 /* For port based vlans to work we need to set the
1922 * default egress vid
1923 */
1924 ret = qca8k_rmw(priv, QCA8K_EGRESS_VLAN(port),
1925 QCA8K_EGREES_VLAN_PORT_MASK(port),
1926 QCA8K_EGREES_VLAN_PORT(port, QCA8K_PORT_VID_DEF));
1927 if (ret)
1928 return ret;
1929
1930 ret = qca8k_write(priv, QCA8K_REG_PORT_VLAN_CTRL0(port),
1931 QCA8K_PORT_VLAN_CVID(QCA8K_PORT_VID_DEF) |
1932 QCA8K_PORT_VLAN_SVID(QCA8K_PORT_VID_DEF));
1933 if (ret)
1934 return ret;
1935 }
1936
1937 /* The port 5 of the qca8337 have some problem in flood condition. The
1938 * original legacy driver had some specific buffer and priority settings
1939 * for the different port suggested by the QCA switch team. Add this
1940 * missing settings to improve switch stability under load condition.
1941 * This problem is limited to qca8337 and other qca8k switch are not affected.
1942 */
1943 if (priv->switch_id == QCA8K_ID_QCA8337)
1944 dsa_switch_for_each_available_port(dp, ds)
1945 qca8k_setup_hol_fixup(priv, dp->index);
1946
1947 /* Special GLOBAL_FC_THRESH value are needed for ar8327 switch */
1948 if (priv->switch_id == QCA8K_ID_QCA8327) {
1949 mask = QCA8K_GLOBAL_FC_GOL_XON_THRES(288) |
1950 QCA8K_GLOBAL_FC_GOL_XOFF_THRES(496);
1951 qca8k_rmw(priv, QCA8K_REG_GLOBAL_FC_THRESH,
1952 QCA8K_GLOBAL_FC_GOL_XON_THRES_MASK |
1953 QCA8K_GLOBAL_FC_GOL_XOFF_THRES_MASK,
1954 mask);
1955 }
1956
1957 /* Setup our port MTUs to match power on defaults */
1958 ret = qca8k_write(priv, QCA8K_MAX_FRAME_SIZE, ETH_FRAME_LEN + ETH_FCS_LEN);
1959 if (ret)
1960 dev_warn(priv->dev, "failed setting MTU settings");
1961
1962 /* Flush the FDB table */
1963 qca8k_fdb_flush(priv);
1964
1965 /* Set min a max ageing value supported */
1966 ds->ageing_time_min = 7000;
1967 ds->ageing_time_max = 458745000;
1968
1969 /* Set max number of LAGs supported */
1970 ds->num_lag_ids = QCA8K_NUM_LAGS;
1971
1972 return 0;
1973 }
1974
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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