Hi,
I'm trying to use PF_RING in ZC mode with intel X710, but don't seems
work fine.
My server is:
3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt9-3 (2015-04-23) x86_64
GNU/Linux
Ethernet controller: Intel Corporation Ethernet Controller X710 for
10GbE SFP+ (rev 01)
PF_RING_6.0.3
When I run "drivers/ZC/intel/i40e/i40e-1.1.23/src/load_driver.sh" in
the result is:
Warning: 512 hugepages available, 1024 requested
find: `/sys/kernel/debug/i40e/': No such file or directory
find: `/sys/kernel/debug/i40e/': No such file or directory
irqbalance: no process found
Configuring eth12
no rx vectors found on eth12
no tx vectors found on eth12
eth12 mask=1 for /proc/irq/147/smp_affinity
eth12 mask=2 for /proc/irq/148/smp_affinity
...
eth12 mask=400000 for /proc/irq/196/smp_affinity
eth12 mask=800000 for /proc/irq/197/smp_affinity
Configuring eth2
no rx vectors found on eth2
no tx vectors found on eth2
eth2 mask=1 for /proc/irq/208/smp_affinity
eth2 mask=2 for /proc/irq/209/smp_affinity
...
eth2 mask=400000 for /proc/irq/248/smp_affinity
eth2 mask=800000 for /proc/irq/249/smp_affinity
Configuring eth3
no rx vectors found on eth3
no tx vectors found on eth3
eth3 mask=1 for /proc/irq/260/smp_affinity
eth3 mask=2 for /proc/irq/261/smp_affinity
...
eth3 mask=400000 for /proc/irq/282/smp_affinity
eth3 mask=800000 for /proc/irq/283/smp_affinity
Configuring eth13
no rx vectors found on eth13
no tx vectors found on eth13
eth13 mask=1 for /proc/irq/113/smp_affinity
eth13 mask=2 for /proc/irq/114/smp_affinity
...
eth13 mask=400000 for /proc/irq/135/smp_affinity
eth13 mask=800000 for /proc/irq/136/smp_affinity
if I list loaded modules I can see i40e and pf_ring.
When I try to use the example code zsend and zcount in ZC mode, the
sender works fine, but the counter drop 90% of packets.
For example if zsend have this stats: Actual Stats: 14'882'590.15 pps -
10.00 Gbps
zcount have: Actual Stats: 540'820.30 pps (14'340'221.54 drops) - 0.36 Gbps
If i try to use NO ZC mode, it seems not lose a lots of packets.
For example if zsend have this stats: Actual Stats: 681'143.93 pps -
0.46 Gbps
zcount have: Actual Stats: 659'597.03 pps (0.00 drops) - 0.44 Gbps
Could you have any idea for fix the ZC mode behaviour ?
Thanks for any responses.
Marco.
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