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realtek: re-enable IPv6 routing

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Commit 03e1d93e0779 ("realtek: add driver support for routing
offload") added routing offload for IPv4, but broke IPv6 routing
completely.  The routing table is empty and cannot be updated:

 root@gs1900-10hp:~# ip -6 route
 root@gs1900-10hp:~# ip -6 route add unreachable default
 RTNETLINK answers: Invalid argument

As a side effect, this breaks opkg on IPv4 only systems too,
since uclient-fetch fails when there are no IPv6 routes:

 root@gs1900-10hp:~# uclient-fetch http://192.168.99.1
 Downloading 'http://192.168.99.1'
 Failed to send request: Operation not permitted

Fix by returning NOTIFY_DONE when offloading is unsupported, falling
back to default behaviour.

Fixes: 03e1d93e0779 ("realtek: add driver support for routing offload")
Signed-off-by: Bjørn Mork <bjorn@mork.no>
This commit is contained in:
Bjørn Mork 2021-10-22 18:09:18 +02:00 committed by Christian Lamparter
parent daefc646e6
commit d990f805c0
1 changed files with 1 additions and 1 deletions
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2
target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/common.c
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@ -1342,7 +1342,7 @@ static int rtl83xx_fib_event(struct notifier_block *this, unsigned long event, v
struct fib6_entry_notifier_info *fen6_info = ptr;
pr_warn("%s: FIB_RULE ADD/DELL for IPv6 not supported\n", __func__);
kfree(fib_work);
return notifier_from_errno(-EINVAL);
return NOTIFY_DONE;
}
break;