[FS#4239] flow_offloading_hw doesn't work with nftables (mt7621)

[OpenWrt Bugs]

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The following task has a new comment added:

FS#4239 - flow_offloading_hw doesn't work with nftables (mt7621)
User who did this - Jo-Philipp Wich (jow-)

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Nftables/firewall4 issues fixed with 


  * [[https://github.com/openwrt/openwrt/commit/2dd6777f15defc6fe343e8485d3e22325570fb2b|2dd6777f firewall4: update to latest Git HEAD]]
  * [[https://github.com/openwrt/openwrt/commit/3b1692c463fae107177fcee51874696f6323d0d2|3b1692c4 netifd: update to latest Git HEAD]]
  * [[https://git.openwrt.org/?p=project/firewall4.git;a=commitdiff;h=52831a00bec8e3676e2747029c0349f6be9c2593;hp=7cb10c809314261c20ddca069eacd469adf44be3|52831a00 fw4: improve flowtable handling]]
  * [[https://git.openwrt.org/?p=project/netifd.git;a=commitdiff;h=fd4c9e17c8f22b866c1bf386c580074e3e678910|fd4c9e17 system-linux: expose hw-tc-offload ethtool feature in device status dump]]

On my ER-X hw flow offloading is properly utilized:


root at er-x:~# grep HW_OFFLOAD /proc/net/nf_conntrack | sed -e 's#dst=[^[:space:]]*#dst=...#g'
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=48642 dport=993 packets=3 bytes=207 src=212.204.60.9 dst=... sport=993 dport=48642 packets=87 bytes=8526 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=48634 dport=993 packets=14 bytes=1191 src=212.204.60.9 dst=... sport=993 dport=48634 packets=97 bytes=9701 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.211 dst=... sport=56921 dport=80 packets=2 bytes=144 src=18.159.56.174 dst=... sport=80 dport=56921 packets=1 bytes=60 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=45320 dport=443 packets=1 bytes=60 src=162.125.19.131 dst=... sport=443 dport=45320 packets=6 bytes=973 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.246 dst=... sport=57477 dport=5223 packets=1 bytes=64 src=17.57.146.173 dst=... sport=5223 dport=57477 packets=1 bytes=60 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=49386 dport=443 packets=1 bytes=60 src=139.59.210.197 dst=... sport=443 dport=49386 packets=1 bytes=60 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.153 dst=... sport=50663 dport=5223 packets=1 bytes=64 src=17.57.146.68 dst=... sport=5223 dport=50663 packets=1 bytes=60 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=33622 dport=443 packets=1 bytes=60 src=130.211.10.112 dst=... sport=443 dport=33622 packets=1 bytes=60 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=52920 dport=993 packets=15 bytes=1278 src=85.13.138.36 dst=... sport=993 dport=52920 packets=101 bytes=9814 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 udp      17 src=10.11.12.246 dst=... sport=123 dport=123 packets=1 bytes=76 src=17.253.54.253 dst=... sport=123 dport=123 packets=1 bytes=76 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=35796 dport=443 packets=1 bytes=60 src=104.16.181.15 dst=... sport=443 dport=35796 packets=16 bytes=2037 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=47338 dport=443 packets=131 bytes=19204 src=52.149.21.60 dst=... sport=443 dport=47338 packets=53 bytes=23989 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=48644 dport=993 packets=8 bytes=634 src=212.204.60.9 dst=... sport=993 dport=48644 packets=61 bytes=5935 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=48636 dport=993 packets=34 bytes=3006 src=212.204.60.9 dst=... sport=993 dport=48636 packets=96 bytes=9593 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=48638 dport=993 packets=5 bytes=408 src=212.204.60.9 dst=... sport=993 dport=48638 packets=96 bytes=9358 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=34664 dport=443 packets=1 bytes=60 src=140.82.113.25 dst=... sport=443 dport=34664 packets=5 bytes=598 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=47352 dport=443 packets=65 bytes=8140 src=52.149.21.60 dst=... sport=443 dport=47352 packets=48 bytes=19987 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=52922 dport=993 packets=1 bytes=60 src=85.13.138.36 dst=... sport=993 dport=52922 packets=9 bytes=844 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=35746 dport=443 packets=1 bytes=60 src=104.16.181.15 dst=... sport=443 dport=35746 packets=185 bytes=23581 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=43772 dport=443 packets=3 bytes=242 src=34.98.75.36 dst=... sport=443 dport=43772 packets=1 bytes=60 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=41642 dport=443 packets=2 bytes=152 src=157.240.240.60 dst=... sport=443 dport=41642 packets=1 bytes=60 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 tcp      6 src=10.11.12.7 dst=... sport=46492 dport=443 packets=4 bytes=651 src=162.125.19.130 dst=... sport=443 dport=46492 packets=1 bytes=60 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 udp      17 src=10.11.12.246 dst=... sport=123 dport=123 packets=1 bytes=76 src=17.253.54.125 dst=... sport=123 dport=123 packets=1 bytes=76 [HW_OFFLOAD] mark=0 zone=0 use=3
ipv4     2 udp      17 src=10.11.12.246 dst=... sport=123 dport=123 packets=1 bytes=76 src=17.253.52.125 dst=... sport=123 dport=123 packets=1 bytes=76 [HW_OFFLOAD] mark=0 zone=0 use=3
root at er-x:~# 

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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=4239#comment10522

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