drivers/net/ethernet/intel/i40e/i40e_main.c:16227:1: warning: the frame size of 1032 bytes is larger than 1024 bytes
From: kernel test robot
Date: Sun Jul 30 2023 - 11:27:47 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d31e3792919e5c97d572c8a27a5a7c1eb9de5aca
commit: c27cd083cfb9d392f304657ed00fcde1136704e7 Compiler attributes: GCC cold function alignment workarounds
date: 6 months ago
config: x86_64-intel-next-customedconfig-intel_next_rpm_defconfig (https://download.01.org/0day-ci/archive/20230730/202307302339.4WcgJQA7-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230730/202307302339.4WcgJQA7-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307302339.4WcgJQA7-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
drivers/net/ethernet/intel/i40e/i40e_main.c: In function 'i40e_probe.part.0':
>> drivers/net/ethernet/intel/i40e/i40e_main.c:16227:1: warning: the frame size of 1032 bytes is larger than 1024 bytes [-Wframe-larger-than=]
16227 | }
| ^
vim +16227 drivers/net/ethernet/intel/i40e/i40e_main.c
41c445ff0f482b Jesse Brandeburg 2013-09-11 16075
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16076 if (pf->flags & I40E_FLAG_IWARP_ENABLED) {
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16077 pf->iwarp_base_vector = i40e_get_lump(pf, pf->irq_pile,
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16078 pf->num_iwarp_msix,
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16079 I40E_IWARP_IRQ_PILE_ID);
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16080 if (pf->iwarp_base_vector < 0) {
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16081 dev_info(&pdev->dev,
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16082 "failed to get tracking for %d vectors for IWARP err=%d\n",
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16083 pf->num_iwarp_msix, pf->iwarp_base_vector);
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16084 pf->flags &= ~I40E_FLAG_IWARP_ENABLED;
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16085 }
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16086 }
93cd765bb27365 Anjali Singhai Jain 2013-11-20 16087
41c445ff0f482b Jesse Brandeburg 2013-09-11 16088 i40e_dbg_pf_init(pf);
41c445ff0f482b Jesse Brandeburg 2013-09-11 16089
41c445ff0f482b Jesse Brandeburg 2013-09-11 16090 /* tell the firmware that we're starting */
44033fac14340f Jesse Brandeburg 2014-04-23 16091 i40e_send_version(pf);
41c445ff0f482b Jesse Brandeburg 2013-09-11 16092
41c445ff0f482b Jesse Brandeburg 2013-09-11 16093 /* since everything's happy, start the service_task timer */
41c445ff0f482b Jesse Brandeburg 2013-09-11 16094 mod_timer(&pf->service_timer,
41c445ff0f482b Jesse Brandeburg 2013-09-11 16095 round_jiffies(jiffies + pf->service_timer_period));
41c445ff0f482b Jesse Brandeburg 2013-09-11 16096
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16097 /* add this PF to client device list and launch a client service task */
004eb614c4d2fc Mitch Williams 2017-04-04 16098 if (pf->flags & I40E_FLAG_IWARP_ENABLED) {
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16099 err = i40e_lan_add_device(pf);
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16100 if (err)
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16101 dev_info(&pdev->dev, "Failed to add PF to client API service list: %d\n",
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16102 err);
004eb614c4d2fc Mitch Williams 2017-04-04 16103 }
e3219ce6a77546 Anjali Singhai Jain 2016-01-20 16104
3fced535079a6a Anjali Singhai Jain 2015-09-03 16105 #define PCI_SPEED_SIZE 8
3fced535079a6a Anjali Singhai Jain 2015-09-03 16106 #define PCI_WIDTH_SIZE 8
3fced535079a6a Anjali Singhai Jain 2015-09-03 16107 /* Devices on the IOSF bus do not have this information
3fced535079a6a Anjali Singhai Jain 2015-09-03 16108 * and will report PCI Gen 1 x 1 by default so don't bother
3fced535079a6a Anjali Singhai Jain 2015-09-03 16109 * checking them.
3fced535079a6a Anjali Singhai Jain 2015-09-03 16110 */
d36e41dc78d313 Jacob Keller 2017-06-23 16111 if (!(pf->hw_features & I40E_HW_NO_PCI_LINK_CHECK)) {
3fced535079a6a Anjali Singhai Jain 2015-09-03 16112 char speed[PCI_SPEED_SIZE] = "Unknown";
3fced535079a6a Anjali Singhai Jain 2015-09-03 16113 char width[PCI_WIDTH_SIZE] = "Unknown";
3fced535079a6a Anjali Singhai Jain 2015-09-03 16114
3fced535079a6a Anjali Singhai Jain 2015-09-03 16115 /* Get the negotiated link width and speed from PCI config
3fced535079a6a Anjali Singhai Jain 2015-09-03 16116 * space
3fced535079a6a Anjali Singhai Jain 2015-09-03 16117 */
3fced535079a6a Anjali Singhai Jain 2015-09-03 16118 pcie_capability_read_word(pf->pdev, PCI_EXP_LNKSTA,
3fced535079a6a Anjali Singhai Jain 2015-09-03 16119 &link_status);
d4dfb81af79496 Catherine Sullivan 2013-11-28 16120
d4dfb81af79496 Catherine Sullivan 2013-11-28 16121 i40e_set_pci_config_data(hw, link_status);
d4dfb81af79496 Catherine Sullivan 2013-11-28 16122
3fced535079a6a Anjali Singhai Jain 2015-09-03 16123 switch (hw->bus.speed) {
3fced535079a6a Anjali Singhai Jain 2015-09-03 16124 case i40e_bus_speed_8000:
f029c781dd6d8e Wolfram Sang 2022-08-30 16125 strscpy(speed, "8.0", PCI_SPEED_SIZE); break;
3fced535079a6a Anjali Singhai Jain 2015-09-03 16126 case i40e_bus_speed_5000:
f029c781dd6d8e Wolfram Sang 2022-08-30 16127 strscpy(speed, "5.0", PCI_SPEED_SIZE); break;
3fced535079a6a Anjali Singhai Jain 2015-09-03 16128 case i40e_bus_speed_2500:
f029c781dd6d8e Wolfram Sang 2022-08-30 16129 strscpy(speed, "2.5", PCI_SPEED_SIZE); break;
3fced535079a6a Anjali Singhai Jain 2015-09-03 16130 default:
3fced535079a6a Anjali Singhai Jain 2015-09-03 16131 break;
3fced535079a6a Anjali Singhai Jain 2015-09-03 16132 }
3fced535079a6a Anjali Singhai Jain 2015-09-03 16133 switch (hw->bus.width) {
3fced535079a6a Anjali Singhai Jain 2015-09-03 16134 case i40e_bus_width_pcie_x8:
f029c781dd6d8e Wolfram Sang 2022-08-30 16135 strscpy(width, "8", PCI_WIDTH_SIZE); break;
3fced535079a6a Anjali Singhai Jain 2015-09-03 16136 case i40e_bus_width_pcie_x4:
f029c781dd6d8e Wolfram Sang 2022-08-30 16137 strscpy(width, "4", PCI_WIDTH_SIZE); break;
3fced535079a6a Anjali Singhai Jain 2015-09-03 16138 case i40e_bus_width_pcie_x2:
f029c781dd6d8e Wolfram Sang 2022-08-30 16139 strscpy(width, "2", PCI_WIDTH_SIZE); break;
3fced535079a6a Anjali Singhai Jain 2015-09-03 16140 case i40e_bus_width_pcie_x1:
f029c781dd6d8e Wolfram Sang 2022-08-30 16141 strscpy(width, "1", PCI_WIDTH_SIZE); break;
3fced535079a6a Anjali Singhai Jain 2015-09-03 16142 default:
3fced535079a6a Anjali Singhai Jain 2015-09-03 16143 break;
3fced535079a6a Anjali Singhai Jain 2015-09-03 16144 }
3fced535079a6a Anjali Singhai Jain 2015-09-03 16145
3fced535079a6a Anjali Singhai Jain 2015-09-03 16146 dev_info(&pdev->dev, "PCI-Express: Speed %sGT/s Width x%s\n",
3fced535079a6a Anjali Singhai Jain 2015-09-03 16147 speed, width);
d4dfb81af79496 Catherine Sullivan 2013-11-28 16148
d4dfb81af79496 Catherine Sullivan 2013-11-28 16149 if (hw->bus.width < i40e_bus_width_pcie_x8 ||
d4dfb81af79496 Catherine Sullivan 2013-11-28 16150 hw->bus.speed < i40e_bus_speed_8000) {
d4dfb81af79496 Catherine Sullivan 2013-11-28 16151 dev_warn(&pdev->dev, "PCI-Express bandwidth available for this device may be insufficient for optimal performance.\n");
d4dfb81af79496 Catherine Sullivan 2013-11-28 16152 dev_warn(&pdev->dev, "Please move the device to a different PCI-e link with more lanes and/or higher transfer rate.\n");
d4dfb81af79496 Catherine Sullivan 2013-11-28 16153 }
3fced535079a6a Anjali Singhai Jain 2015-09-03 16154 }
d4dfb81af79496 Catherine Sullivan 2013-11-28 16155
e827845c7deefb Catherine Sullivan 2015-02-06 16156 /* get the requested speeds from the fw */
e827845c7deefb Catherine Sullivan 2015-02-06 16157 err = i40e_aq_get_phy_capabilities(hw, false, false, &abilities, NULL);
e827845c7deefb Catherine Sullivan 2015-02-06 16158 if (err)
8279e49531f427 Neerav Parikh 2015-09-03 16159 dev_dbg(&pf->pdev->dev, "get requested speeds ret = %s last_status = %s\n",
f1c7e72e390391 Shannon Nelson 2015-06-04 16160 i40e_stat_str(&pf->hw, err),
f1c7e72e390391 Shannon Nelson 2015-06-04 16161 i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status));
e827845c7deefb Catherine Sullivan 2015-02-06 16162 pf->hw.phy.link_info.requested_speeds = abilities.link_speed;
e827845c7deefb Catherine Sullivan 2015-02-06 16163
1d96340196f1ee Damian Dybek 2018-12-19 16164 /* set the FEC config due to the board capabilities */
1d96340196f1ee Damian Dybek 2018-12-19 16165 i40e_set_fec_in_flags(abilities.fec_cfg_curr_mod_ext_info, &pf->flags);
1d96340196f1ee Damian Dybek 2018-12-19 16166
fc72dbce09989b Catherine Sullivan 2015-09-01 16167 /* get the supported phy types from the fw */
fc72dbce09989b Catherine Sullivan 2015-09-01 16168 err = i40e_aq_get_phy_capabilities(hw, false, true, &abilities, NULL);
fc72dbce09989b Catherine Sullivan 2015-09-01 16169 if (err)
fc72dbce09989b Catherine Sullivan 2015-09-01 16170 dev_dbg(&pf->pdev->dev, "get supported phy types ret = %s last_status = %s\n",
fc72dbce09989b Catherine Sullivan 2015-09-01 16171 i40e_stat_str(&pf->hw, err),
fc72dbce09989b Catherine Sullivan 2015-09-01 16172 i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status));
fc72dbce09989b Catherine Sullivan 2015-09-01 16173
3a2c6ced90e183 Todd Fujinaka 2020-05-28 16174 /* make sure the MFS hasn't been set lower than the default */
3a2c6ced90e183 Todd Fujinaka 2020-05-28 16175 #define MAX_FRAME_SIZE_DEFAULT 0x2600
3a2c6ced90e183 Todd Fujinaka 2020-05-28 16176 val = (rd32(&pf->hw, I40E_PRTGL_SAH) &
3a2c6ced90e183 Todd Fujinaka 2020-05-28 16177 I40E_PRTGL_SAH_MFS_MASK) >> I40E_PRTGL_SAH_MFS_SHIFT;
3a2c6ced90e183 Todd Fujinaka 2020-05-28 16178 if (val < MAX_FRAME_SIZE_DEFAULT)
3a2c6ced90e183 Todd Fujinaka 2020-05-28 16179 dev_warn(&pdev->dev, "MFS for port %x has been set below the default: %x\n",
3a2c6ced90e183 Todd Fujinaka 2020-05-28 16180 i, val);
3a2c6ced90e183 Todd Fujinaka 2020-05-28 16181
e7358f54a3954d Anjali Singhai Jain 2015-10-01 16182 /* Add a filter to drop all Flow control frames from any VSI from being
e7358f54a3954d Anjali Singhai Jain 2015-10-01 16183 * transmitted. By doing so we stop a malicious VF from sending out
e7358f54a3954d Anjali Singhai Jain 2015-10-01 16184 * PAUSE or PFC frames and potentially controlling traffic for other
e7358f54a3954d Anjali Singhai Jain 2015-10-01 16185 * PF/VF VSIs.
e7358f54a3954d Anjali Singhai Jain 2015-10-01 16186 * The FW can still send Flow control frames if enabled.
e7358f54a3954d Anjali Singhai Jain 2015-10-01 16187 */
e7358f54a3954d Anjali Singhai Jain 2015-10-01 16188 i40e_add_filter_to_drop_tx_flow_control_frames(&pf->hw,
e7358f54a3954d Anjali Singhai Jain 2015-10-01 16189 pf->main_vsi_seid);
e7358f54a3954d Anjali Singhai Jain 2015-10-01 16190
31b606d0c40a14 Carolyn Wyborny 2016-02-17 16191 if ((pf->hw.device_id == I40E_DEV_ID_10G_BASE_T) ||
31b606d0c40a14 Carolyn Wyborny 2016-02-17 16192 (pf->hw.device_id == I40E_DEV_ID_10G_BASE_T4))
d36e41dc78d313 Jacob Keller 2017-06-23 16193 pf->hw_features |= I40E_HW_PHY_CONTROLS_LEDS;
4ad9f4f9e2873c Harshitha Ramamurthy 2016-11-08 16194 if (pf->hw.device_id == I40E_DEV_ID_SFP_I_X722)
d36e41dc78d313 Jacob Keller 2017-06-23 16195 pf->hw_features |= I40E_HW_HAVE_CRT_RETIMER;
0c22b3dd68a67e Jesse Brandeburg 2014-02-11 16196 /* print a string summarizing features */
0c22b3dd68a67e Jesse Brandeburg 2014-02-11 16197 i40e_print_features(pf);
0c22b3dd68a67e Jesse Brandeburg 2014-02-11 16198
41c445ff0f482b Jesse Brandeburg 2013-09-11 16199 return 0;
41c445ff0f482b Jesse Brandeburg 2013-09-11 16200
41c445ff0f482b Jesse Brandeburg 2013-09-11 16201 /* Unwind what we've done if something failed in the setup */
41c445ff0f482b Jesse Brandeburg 2013-09-11 16202 err_vsis:
9e6c9c0f2ce675 Mauro S. M. Rodrigues 2017-05-12 16203 set_bit(__I40E_DOWN, pf->state);
41c445ff0f482b Jesse Brandeburg 2013-09-11 16204 i40e_clear_interrupt_scheme(pf);
41c445ff0f482b Jesse Brandeburg 2013-09-11 16205 kfree(pf->vsi);
04b03013a52517 Shannon Nelson 2013-11-28 16206 err_switch_setup:
04b03013a52517 Shannon Nelson 2013-11-28 16207 i40e_reset_interrupt_capability(pf);
292a089d78d3e2 Steven Rostedt (Google 2022-12-20 16208) timer_shutdown_sync(&pf->service_timer);
41c445ff0f482b Jesse Brandeburg 2013-09-11 16209 err_mac_addr:
41c445ff0f482b Jesse Brandeburg 2013-09-11 16210 err_configure_lan_hmc:
41c445ff0f482b Jesse Brandeburg 2013-09-11 16211 (void)i40e_shutdown_lan_hmc(hw);
41c445ff0f482b Jesse Brandeburg 2013-09-11 16212 err_init_lan_hmc:
41c445ff0f482b Jesse Brandeburg 2013-09-11 16213 kfree(pf->qp_pile);
41c445ff0f482b Jesse Brandeburg 2013-09-11 16214 err_sw_init:
41c445ff0f482b Jesse Brandeburg 2013-09-11 16215 err_adminq_setup:
41c445ff0f482b Jesse Brandeburg 2013-09-11 16216 err_pf_reset:
41c445ff0f482b Jesse Brandeburg 2013-09-11 16217 iounmap(hw->hw_addr);
41c445ff0f482b Jesse Brandeburg 2013-09-11 16218 err_ioremap:
41c445ff0f482b Jesse Brandeburg 2013-09-11 16219 kfree(pf);
41c445ff0f482b Jesse Brandeburg 2013-09-11 16220 err_pf_alloc:
41c445ff0f482b Jesse Brandeburg 2013-09-11 16221 pci_disable_pcie_error_reporting(pdev);
56d766d64ca5c9 Johannes Thumshirn 2016-06-07 16222 pci_release_mem_regions(pdev);
41c445ff0f482b Jesse Brandeburg 2013-09-11 16223 err_pci_reg:
41c445ff0f482b Jesse Brandeburg 2013-09-11 16224 err_dma:
41c445ff0f482b Jesse Brandeburg 2013-09-11 16225 pci_disable_device(pdev);
41c445ff0f482b Jesse Brandeburg 2013-09-11 16226 return err;
41c445ff0f482b Jesse Brandeburg 2013-09-11 @16227 }
41c445ff0f482b Jesse Brandeburg 2013-09-11 16228
:::::: The code at line 16227 was first introduced by commit
:::::: 41c445ff0f482bb6e6b72dcee9e598e20575f743 i40e: main driver core
:::::: TO: Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>
:::::: CC: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
--
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