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Message-ID: <202202230942.xMTeg0Na-lkp@intel.com>
Date: Thu, 24 Feb 2022 14:13:34 +0300
From: Dan Carpenter <dan.carpenter@...cle.com>
To: kbuild@...ts.01.org, Stefan Assmann <sassmann@...nic.de>
Cc: lkp@...el.com, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org,
Tony Nguyen <anthony.l.nguyen@...el.com>
Subject: drivers/net/ethernet/intel/iavf/iavf_main.c:2309 iavf_reset_task()
warn: inconsistent returns '&adapter->crit_lock'.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 917bbdb107f8767cb78f24e7d6725a2f93b9effe
commit: 5ac49f3c2702f269d31cc37eb9308bc557953c4d iavf: use mutexes for locking of critical sections
config: ia64-randconfig-m031-20220220 (https://download.01.org/0day-ci/archive/20220223/202202230942.xMTeg0Na-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
smatch warnings:
drivers/net/ethernet/intel/iavf/iavf_main.c:2309 iavf_reset_task() warn: inconsistent returns '&adapter->crit_lock'.
vim +2309 drivers/net/ethernet/intel/iavf/iavf_main.c
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2097 static void iavf_reset_task(struct work_struct *work)
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2098 {
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2099 struct iavf_adapter *adapter = container_of(work,
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2100 struct iavf_adapter,
ef8693eb90ae387 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-02-13 2101 reset_task);
0075fa0fadd0ac6 drivers/net/ethernet/intel/i40evf/i40evf_main.c Harshitha Ramamurthy 2018-01-23 2102 struct virtchnl_vf_resource *vfres = adapter->vf_res;
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2103 struct net_device *netdev = adapter->netdev;
f349daa58809ae3 drivers/net/ethernet/intel/iavf/iavf_main.c Jesse Brandeburg 2018-09-14 2104 struct iavf_hw *hw = &adapter->hw;
9e05229190380f6 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2019-12-17 2105 struct iavf_mac_filter *f, *ftmp;
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2106 struct iavf_vlan_filter *vlf;
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2107 struct iavf_cloud_filter *cf;
ee5c1e92dd01d37 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-08-28 2108 u32 reg_val;
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2109 int i = 0, err;
44b034b406211fc drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2110 bool running;
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2111
06aa040f039404a drivers/net/ethernet/intel/i40evf/i40evf_main.c Avinash Dayanand 2017-12-18 2112 /* When device is being removed it doesn't make sense to run the reset
06aa040f039404a drivers/net/ethernet/intel/i40evf/i40evf_main.c Avinash Dayanand 2017-12-18 2113 * task, just return in such a case.
06aa040f039404a drivers/net/ethernet/intel/i40evf/i40evf_main.c Avinash Dayanand 2017-12-18 2114 */
5ac49f3c2702f26 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2021-08-04 2115 if (mutex_is_locked(&adapter->remove_lock))
06aa040f039404a drivers/net/ethernet/intel/i40evf/i40evf_main.c Avinash Dayanand 2017-12-18 2116 return;
06aa040f039404a drivers/net/ethernet/intel/i40evf/i40evf_main.c Avinash Dayanand 2017-12-18 2117
5ac49f3c2702f26 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2021-08-04 2118 if (iavf_lock_timeout(&adapter->crit_lock, 200)) {
226d528512cfac8 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2021-03-16 2119 schedule_work(&adapter->reset_task);
226d528512cfac8 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2021-03-16 2120 return;
226d528512cfac8 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2021-03-16 2121 }
5ac49f3c2702f26 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2021-08-04 2122 while (!mutex_trylock(&adapter->client_lock))
f98a20068dfcc16 drivers/net/ethernet/intel/i40evf/i40evf_main.c Neerav Parikh 2014-09-13 2123 usleep_range(500, 1000);
ed0e894de7c1339 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2017-01-24 2124 if (CLIENT_ENABLED(adapter)) {
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2125 adapter->flags &= ~(IAVF_FLAG_CLIENT_NEEDS_OPEN |
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2126 IAVF_FLAG_CLIENT_NEEDS_CLOSE |
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2127 IAVF_FLAG_CLIENT_NEEDS_L2_PARAMS |
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2128 IAVF_FLAG_SERVICE_CLIENT_REQUESTED);
ed0e894de7c1339 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2017-01-24 2129 cancel_delayed_work_sync(&adapter->client_task);
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2130 iavf_notify_client_close(&adapter->vsi, true);
ed0e894de7c1339 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2017-01-24 2131 }
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2132 iavf_misc_irq_disable(adapter);
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2133 if (adapter->flags & IAVF_FLAG_RESET_NEEDED) {
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2134 adapter->flags &= ~IAVF_FLAG_RESET_NEEDED;
67c818a1d58c789 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-06-19 2135 /* Restart the AQ here. If we have been reset but didn't
67c818a1d58c789 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-06-19 2136 * detect it, or if the PF had to reinit, our AQ will be hosed.
67c818a1d58c789 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-06-19 2137 */
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2138 iavf_shutdown_adminq(hw);
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2139 iavf_init_adminq(hw);
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2140 iavf_request_reset(adapter);
3526d8005f23da2 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-03-06 2141 }
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2142 adapter->flags |= IAVF_FLAG_RESET_PENDING;
3526d8005f23da2 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-03-06 2143
ef8693eb90ae387 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-02-13 2144 /* poll until we see the reset actually happen */
8e3e4b9da7e6268 drivers/net/ethernet/intel/iavf/iavf_main.c Paul Greenwalt 2020-06-05 2145 for (i = 0; i < IAVF_RESET_WAIT_DETECTED_COUNT; i++) {
f1cad2ce06f28c4 drivers/net/ethernet/intel/iavf/iavf_main.c Jesse Brandeburg 2018-09-14 2146 reg_val = rd32(hw, IAVF_VF_ARQLEN1) &
f1cad2ce06f28c4 drivers/net/ethernet/intel/iavf/iavf_main.c Jesse Brandeburg 2018-09-14 2147 IAVF_VF_ARQLEN1_ARQENABLE_MASK;
ee5c1e92dd01d37 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-08-28 2148 if (!reg_val)
ef8693eb90ae387 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-02-13 2149 break;
ee5c1e92dd01d37 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-08-28 2150 usleep_range(5000, 10000);
ef8693eb90ae387 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-02-13 2151 }
8e3e4b9da7e6268 drivers/net/ethernet/intel/iavf/iavf_main.c Paul Greenwalt 2020-06-05 2152 if (i == IAVF_RESET_WAIT_DETECTED_COUNT) {
67c818a1d58c789 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-06-19 2153 dev_info(&adapter->pdev->dev, "Never saw reset\n");
ef8693eb90ae387 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-02-13 2154 goto continue_reset; /* act like the reset happened */
ef8693eb90ae387 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-02-13 2155 }
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2156
ef8693eb90ae387 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-02-13 2157 /* wait until the reset is complete and the PF is responding to us */
8e3e4b9da7e6268 drivers/net/ethernet/intel/iavf/iavf_main.c Paul Greenwalt 2020-06-05 2158 for (i = 0; i < IAVF_RESET_WAIT_COMPLETE_COUNT; i++) {
7d3f04af69bed2d drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2016-10-05 2159 /* sleep first to make sure a minimum wait time is met */
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2160 msleep(IAVF_RESET_WAIT_MS);
7d3f04af69bed2d drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2016-10-05 2161
f1cad2ce06f28c4 drivers/net/ethernet/intel/iavf/iavf_main.c Jesse Brandeburg 2018-09-14 2162 reg_val = rd32(hw, IAVF_VFGEN_RSTAT) &
f1cad2ce06f28c4 drivers/net/ethernet/intel/iavf/iavf_main.c Jesse Brandeburg 2018-09-14 2163 IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
310a2ad92e3fd91 drivers/net/ethernet/intel/i40evf/i40evf_main.c Jesse Brandeburg 2017-05-11 2164 if (reg_val == VIRTCHNL_VFR_VFACTIVE)
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2165 break;
ef8693eb90ae387 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-02-13 2166 }
7d3f04af69bed2d drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2016-10-05 2167
509a447ae80c2e4 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-12-23 2168 pci_set_master(adapter->pdev);
7d3f04af69bed2d drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2016-10-05 2169
8e3e4b9da7e6268 drivers/net/ethernet/intel/iavf/iavf_main.c Paul Greenwalt 2020-06-05 2170 if (i == IAVF_RESET_WAIT_COMPLETE_COUNT) {
80e7289356cdba9 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-05-10 2171 dev_err(&adapter->pdev->dev, "Reset never finished (%x)\n",
ee5c1e92dd01d37 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-08-28 2172 reg_val);
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2173 iavf_disable_vf(adapter);
5ac49f3c2702f26 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2021-08-04 2174 mutex_unlock(&adapter->client_lock);
ef8693eb90ae387 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-02-13 2175 return; /* Do not attempt to reinit. It's dead, Jim. */
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Drop adapter->crit_lock? It's dead but the checker will be happier and
it drops adapter->client_lock already.
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2176 }
ef8693eb90ae387 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-02-13 2177
ef8693eb90ae387 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-02-13 2178 continue_reset:
44b034b406211fc drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2179 /* We don't use netif_running() because it may be true prior to
44b034b406211fc drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2180 * ndo_open() returning, so we can't assume it means all our open
44b034b406211fc drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2181 * tasks have finished, since we're not holding the rtnl_lock here.
44b034b406211fc drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2182 */
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2183 running = ((adapter->state == __IAVF_RUNNING) ||
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2184 (adapter->state == __IAVF_RESETTING));
44b034b406211fc drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2185
44b034b406211fc drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2186 if (running) {
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2187 netif_carrier_off(netdev);
67c818a1d58c789 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-06-19 2188 netif_tx_stop_all_queues(netdev);
3f341acc1c65b80 drivers/net/ethernet/intel/i40evf/i40evf_main.c Sridhar Samudrala 2016-09-01 2189 adapter->link_up = false;
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2190 iavf_napi_disable_all(adapter);
3c8e0b989aa1afc drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-02-27 2191 }
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2192 iavf_irq_disable(adapter);
3c8e0b989aa1afc drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-02-27 2193
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2194 adapter->state = __IAVF_RESETTING;
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2195 adapter->flags &= ~IAVF_FLAG_RESET_PENDING;
67c818a1d58c789 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-06-19 2196
67c818a1d58c789 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-06-19 2197 /* free the Tx/Rx rings and descriptors, might be better to just
67c818a1d58c789 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-06-19 2198 * re-use them sometime in the future
67c818a1d58c789 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-06-19 2199 */
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2200 iavf_free_all_rx_resources(adapter);
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2201 iavf_free_all_tx_resources(adapter);
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2202
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2203 adapter->flags |= IAVF_FLAG_QUEUES_DISABLED;
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2204 /* kill and reinit the admin queue */
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2205 iavf_shutdown_adminq(hw);
310a2ad92e3fd91 drivers/net/ethernet/intel/i40evf/i40evf_main.c Jesse Brandeburg 2017-05-11 2206 adapter->current_op = VIRTCHNL_OP_UNKNOWN;
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2207 err = iavf_init_adminq(hw);
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2208 if (err)
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2209 dev_info(&adapter->pdev->dev, "Failed to init adminq: %d\n",
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2210 err);
5b36e8d04b4439c drivers/net/ethernet/intel/i40evf/i40evf_main.c Alan Brady 2017-08-22 2211 adapter->aq_required = 0;
5b36e8d04b4439c drivers/net/ethernet/intel/i40evf/i40evf_main.c Alan Brady 2017-08-22 2212
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2213 if (adapter->flags & IAVF_FLAG_REINIT_ITR_NEEDED) {
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2214 err = iavf_reinit_interrupt_scheme(adapter);
5b36e8d04b4439c drivers/net/ethernet/intel/i40evf/i40evf_main.c Alan Brady 2017-08-22 2215 if (err)
5b36e8d04b4439c drivers/net/ethernet/intel/i40evf/i40evf_main.c Alan Brady 2017-08-22 2216 goto reset_err;
5b36e8d04b4439c drivers/net/ethernet/intel/i40evf/i40evf_main.c Alan Brady 2017-08-22 2217 }
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2218
a7550f8b1c97128 drivers/net/ethernet/intel/iavf/iavf_main.c Md Fahad Iqbal Polash 2021-06-04 2219 if (RSS_AQ(adapter)) {
a7550f8b1c97128 drivers/net/ethernet/intel/iavf/iavf_main.c Md Fahad Iqbal Polash 2021-06-04 2220 adapter->aq_required |= IAVF_FLAG_AQ_CONFIGURE_RSS;
a7550f8b1c97128 drivers/net/ethernet/intel/iavf/iavf_main.c Md Fahad Iqbal Polash 2021-06-04 2221 } else {
a7550f8b1c97128 drivers/net/ethernet/intel/iavf/iavf_main.c Md Fahad Iqbal Polash 2021-06-04 2222 err = iavf_init_rss(adapter);
a7550f8b1c97128 drivers/net/ethernet/intel/iavf/iavf_main.c Md Fahad Iqbal Polash 2021-06-04 2223 if (err)
a7550f8b1c97128 drivers/net/ethernet/intel/iavf/iavf_main.c Md Fahad Iqbal Polash 2021-06-04 2224 goto reset_err;
a7550f8b1c97128 drivers/net/ethernet/intel/iavf/iavf_main.c Md Fahad Iqbal Polash 2021-06-04 2225 }
a7550f8b1c97128 drivers/net/ethernet/intel/iavf/iavf_main.c Md Fahad Iqbal Polash 2021-06-04 2226
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2227 adapter->aq_required |= IAVF_FLAG_AQ_GET_CONFIG;
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2228 adapter->aq_required |= IAVF_FLAG_AQ_MAP_VECTORS;
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2229
504398f0a78e724 drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2230 spin_lock_bh(&adapter->mac_vlan_list_lock);
504398f0a78e724 drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2231
9e05229190380f6 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2019-12-17 2232 /* Delete filter for the current MAC address, it could have
9e05229190380f6 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2019-12-17 2233 * been changed by the PF via administratively set MAC.
9e05229190380f6 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2019-12-17 2234 * Will be re-added via VIRTCHNL_OP_GET_VF_RESOURCES.
9e05229190380f6 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2019-12-17 2235 */
9e05229190380f6 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2019-12-17 2236 list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) {
9e05229190380f6 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2019-12-17 2237 if (ether_addr_equal(f->macaddr, adapter->hw.mac.addr)) {
9e05229190380f6 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2019-12-17 2238 list_del(&f->list);
9e05229190380f6 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2019-12-17 2239 kfree(f);
9e05229190380f6 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2019-12-17 2240 }
9e05229190380f6 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2019-12-17 2241 }
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2242 /* re-add all MAC filters */
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2243 list_for_each_entry(f, &adapter->mac_filter_list, list) {
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2244 f->add = true;
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2245 }
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2246 /* re-add all VLAN filters */
40d01366e6dd5ef drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-10-01 2247 list_for_each_entry(vlf, &adapter->vlan_filter_list, list) {
40d01366e6dd5ef drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-10-01 2248 vlf->add = true;
ac833bbf7958bbd drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-01-29 2249 }
504398f0a78e724 drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2250
504398f0a78e724 drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2251 spin_unlock_bh(&adapter->mac_vlan_list_lock);
504398f0a78e724 drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2252
0075fa0fadd0ac6 drivers/net/ethernet/intel/i40evf/i40evf_main.c Harshitha Ramamurthy 2018-01-23 2253 /* check if TCs are running and re-add all cloud filters */
0075fa0fadd0ac6 drivers/net/ethernet/intel/i40evf/i40evf_main.c Harshitha Ramamurthy 2018-01-23 2254 spin_lock_bh(&adapter->cloud_filter_list_lock);
0075fa0fadd0ac6 drivers/net/ethernet/intel/i40evf/i40evf_main.c Harshitha Ramamurthy 2018-01-23 2255 if ((vfres->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADQ) &&
0075fa0fadd0ac6 drivers/net/ethernet/intel/i40evf/i40evf_main.c Harshitha Ramamurthy 2018-01-23 2256 adapter->num_tc) {
0075fa0fadd0ac6 drivers/net/ethernet/intel/i40evf/i40evf_main.c Harshitha Ramamurthy 2018-01-23 2257 list_for_each_entry(cf, &adapter->cloud_filter_list, list) {
0075fa0fadd0ac6 drivers/net/ethernet/intel/i40evf/i40evf_main.c Harshitha Ramamurthy 2018-01-23 2258 cf->add = true;
0075fa0fadd0ac6 drivers/net/ethernet/intel/i40evf/i40evf_main.c Harshitha Ramamurthy 2018-01-23 2259 }
0075fa0fadd0ac6 drivers/net/ethernet/intel/i40evf/i40evf_main.c Harshitha Ramamurthy 2018-01-23 2260 }
0075fa0fadd0ac6 drivers/net/ethernet/intel/i40evf/i40evf_main.c Harshitha Ramamurthy 2018-01-23 2261 spin_unlock_bh(&adapter->cloud_filter_list_lock);
0075fa0fadd0ac6 drivers/net/ethernet/intel/i40evf/i40evf_main.c Harshitha Ramamurthy 2018-01-23 2262
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2263 adapter->aq_required |= IAVF_FLAG_AQ_ADD_MAC_FILTER;
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2264 adapter->aq_required |= IAVF_FLAG_AQ_ADD_VLAN_FILTER;
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2265 adapter->aq_required |= IAVF_FLAG_AQ_ADD_CLOUD_FILTER;
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2266 iavf_misc_irq_enable(adapter);
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2267
fdd4044ffdc8313 drivers/net/ethernet/intel/iavf/iavf_main.c Jakub Pawlak 2019-05-14 2268 mod_delayed_work(iavf_wq, &adapter->watchdog_task, 2);
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2269
44b034b406211fc drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2270 /* We were running when the reset started, so we need to restore some
44b034b406211fc drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2271 * state here.
44b034b406211fc drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2272 */
44b034b406211fc drivers/net/ethernet/intel/i40evf/i40evf_main.c Jacob Keller 2017-10-27 2273 if (running) {
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2274 /* allocate transmit descriptors */
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2275 err = iavf_setup_all_tx_resources(adapter);
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2276 if (err)
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2277 goto reset_err;
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2278
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2279 /* allocate receive descriptors */
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2280 err = iavf_setup_all_rx_resources(adapter);
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2281 if (err)
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2282 goto reset_err;
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2283
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2284 if (adapter->flags & IAVF_FLAG_REINIT_ITR_NEEDED) {
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2285 err = iavf_request_traffic_irqs(adapter, netdev->name);
5b36e8d04b4439c drivers/net/ethernet/intel/i40evf/i40evf_main.c Alan Brady 2017-08-22 2286 if (err)
5b36e8d04b4439c drivers/net/ethernet/intel/i40evf/i40evf_main.c Alan Brady 2017-08-22 2287 goto reset_err;
5b36e8d04b4439c drivers/net/ethernet/intel/i40evf/i40evf_main.c Alan Brady 2017-08-22 2288
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2289 adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED;
5b36e8d04b4439c drivers/net/ethernet/intel/i40evf/i40evf_main.c Alan Brady 2017-08-22 2290 }
5b36e8d04b4439c drivers/net/ethernet/intel/i40evf/i40evf_main.c Alan Brady 2017-08-22 2291
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2292 iavf_configure(adapter);
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2293
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2294 iavf_up_complete(adapter);
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2295
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2296 iavf_irq_enable(adapter, true);
67c818a1d58c789 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-06-19 2297 } else {
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 2298 adapter->state = __IAVF_DOWN;
fe2647ab0c9970c drivers/net/ethernet/intel/i40evf/i40evf_main.c Sudheer Mogilappagari 2017-06-23 2299 wake_up(&adapter->down_waitqueue);
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2300 }
5ac49f3c2702f26 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2021-08-04 2301 mutex_unlock(&adapter->client_lock);
5ac49f3c2702f26 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2021-08-04 2302 mutex_unlock(&adapter->crit_lock);
67c818a1d58c789 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2015-06-19 2303
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2304 return;
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2305 reset_err:
5ac49f3c2702f26 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2021-08-04 2306 mutex_unlock(&adapter->client_lock);
5ac49f3c2702f26 drivers/net/ethernet/intel/iavf/iavf_main.c Stefan Assmann 2021-08-04 2307 mutex_unlock(&adapter->crit_lock);
80e7289356cdba9 drivers/net/ethernet/intel/i40evf/i40evf_main.c Mitch Williams 2014-05-10 2308 dev_err(&adapter->pdev->dev, "failed to allocate resources during reinit\n");
129cf89e585676e drivers/net/ethernet/intel/iavf/i40evf_main.c Jesse Brandeburg 2018-09-14 @2309 iavf_close(netdev);
5eae00c57f5e42b drivers/net/ethernet/intel/i40evf/i40evf_main.c Greg Rose 2013-12-21 2310 }
---
0-DAY CI Kernel Test Service, Intel Corporation
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