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linux/drivers/net/ethernet/intel
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Przemyslaw Patynowski 93cb804eda iavf: Fix 'tc qdisc show' listing too many queues 
Fix tc qdisc show dev <ethX> root displaying too many fq_codel qdiscs.
tc_modify_qdisc, which is caller of ndo_setup_tc, expects driver to call
netif_set_real_num_tx_queues, which prepares qdiscs.
Without this patch, fq_codel qdiscs would not be adjusted to number of
queues on VF.
e.g.:
tc qdisc show dev <ethX>
qdisc mq 0: root
qdisc fq_codel 0: parent :4 limit 10240p flows 1024 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64
qdisc fq_codel 0: parent :3 limit 10240p flows 1024 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64
qdisc fq_codel 0: parent :2 limit 10240p flows 1024 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64
qdisc fq_codel 0: parent :1 limit 10240p flows 1024 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64
tc qdisc add dev <ethX> root mqprio num_tc 2 map 1 0 0 0 0 0 0 0 queues 1@0 1@1 hw 1 mode channel shaper bw_rlimit max_rate 5000Mbit 150Mbit
tc qdisc show dev <ethX>
qdisc mqprio 8003: root tc 2 map 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
             queues:(0:0) (1:1)
             mode:channel
             shaper:bw_rlimit   max_rate:5Gbit 150Mbit
qdisc fq_codel 0: parent 8003:4 limit 10240p flows 1024 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64
qdisc fq_codel 0: parent 8003:3 limit 10240p flows 1024 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64
qdisc fq_codel 0: parent 8003:2 limit 10240p flows 1024 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64
qdisc fq_codel 0: parent 8003:1 limit 10240p flows 1024 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64

While after fix:
tc qdisc add dev <ethX> root mqprio num_tc 2 map 1 0 0 0 0 0 0 0 queues 1@0 1@1 hw 1 mode channel shaper bw_rlimit max_rate 5000Mbit 150Mbit
tc qdisc show dev <ethX> #should show 2, shows 4
qdisc mqprio 8004: root tc 2 map 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
             queues:(0:0) (1:1)
             mode:channel
             shaper:bw_rlimit   max_rate:5Gbit 150Mbit
qdisc fq_codel 0: parent 8004:2 limit 10240p flows 1024 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64
qdisc fq_codel 0: parent 8004:1 limit 10240p flows 1024 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64

Fixes: d5b33d0244 ("i40evf: add ndo_setup_tc callback to i40evf")
Signed-off-by: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com>
Co-developed-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
Co-developed-by: Kiran Patil <kiran.patil@intel.com>
Signed-off-by: Kiran Patil <kiran.patil@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Bharathi Sreenivas <bharathi.sreenivas@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-07-29 08:45:32 -07:00
..
e1000 e1000: switch to napi_build_skb() 2021-12-28 09:42:25 -08:00
e1000e Revert "e1000e: Fix possible HW unit hang after an s0ix exit" 2022-07-14 09:17:21 -07:00
fm10k fm10k: Fix syntax errors in comments 2021-12-21 09:17:47 -08:00
i40e i40e: Fix interface init with MSI interrupts (no MSI-X) 2022-07-25 18:48:41 -07:00
iavf iavf: Fix 'tc qdisc show' listing too many queues 2022-07-29 08:45:32 -07:00
ice ice: do not setup vlan for loopback VSI 2022-07-26 13:15:36 -07:00
igb igb: Make DMA faster when CPU is active on the PCIe link 2022-06-22 18:46:24 -07:00
igbvf igbvf: Remove useless DMA-32 fallback configuration 2022-01-27 08:58:24 -08:00
igc igc: Reinstate IGC_REMOVED logic and implement it properly 2022-07-14 09:18:02 -07:00
ixgb ixgb: Remove useless DMA-32 fallback configuration 2022-01-27 08:58:23 -08:00
ixgbe ixgbe: Add locking to prevent panic when setting sriov_numvfs to zero 2022-07-18 20:13:40 -07:00
ixgbevf ixgbe: propagate XFRM offload state direction instead of flags 2022-05-06 08:32:52 +02:00
e100.c eth: switch to netif_napi_add_weight() 2022-05-08 11:33:57 +01:00
Kconfig ice: support crosstimestamping on E822 devices if supported 2021-12-21 09:11:40 -08:00
Makefile igc: Add skeletal frame for Intel(R) 2.5G Ethernet Controller support 2018-10-17 12:14:54 -07:00