Hello,
I hit problems about ixl driver's netmap support. I have no problems with
ixgbe.
The problem is tested with FreeBSD 12.2-p5 and FreeBSD 13.0-RC3.
ixl in netmap mode, it works with low throughput (about 2 Gbps) for 20-30
seconds. And then TX queue remains full. poll with POLLOUT and even
ioctl(fd, NIOCTXSYNC) does not work. So that nic stops working.
Same netmap software with ixgbe has no problems.
pciconf -lv output:
ixl0@pci0:183:0:0: class=0x020000 card=0x37d215d9 chip=0x37d28086 rev=0x04
hdr=0x00
vendor = 'Intel Corporation'
device = 'Ethernet Connection X722 for 10GBASE-T'
class = network
subclass = ethernet
ixl1@pci0:183:0:1: class=0x020000 card=0x37d215d9 chip=0x37d28086 rev=0x04
hdr=0x00
vendor = 'Intel Corporation'
device = 'Ethernet Connection X722 for 10GBASE-T'
class = network
subclass = ethernet
ixl2@pci0:183:0:2: class=0x020000 card=0x37d015d9 chip=0x37d08086 rev=0x04
hdr=0x00
vendor = 'Intel Corporation'
device = 'Ethernet Connection X722 for 10GbE SFP+'
class = network
subclass = ethernet
ixl3@pci0:183:0:3: class=0x020000 card=0x37d015d9 chip=0x37d08086 rev=0x04
hdr=0x00
vendor = 'Intel Corporation'
device = 'Ethernet Connection X722 for 10GbE SFP+'
class = network
subclass = ethernet
Best regards
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