mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 23:12:32 +00:00
438e593f22
Removed because they are upstream:
generic/backport-5.15/741-v6.9-01-netfilter-flowtable-validate-pppoe-header.patch
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=d06977b9a4109f8738bb276125eb6a0b772bc433
Removed because they are upstream:
generic/backport-5.15/741-v6.9-02-netfilter-flowtable-incorrect-pppoe-tuple.patch
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=e719b52d0c56989b0f3475a03a6d64f182c85b56
Manual adapted the following patches:
generic/pending-5.15/700-netfilter-nft_flow_offload-handle-netdevice-events-f.patch
generic/pending-5.15/723-net-mt7531-ensure-all-MACs-are-powered-down-before-r.patch
generic/hack-5.15/650-netfilter-add-xt_FLOWOFFLOAD-target.patch
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 84d0b0b925)
90 lines
3.2 KiB
Diff
90 lines
3.2 KiB
Diff
From e83d56537859849f2223b90749e554831b1f3c27 Mon Sep 17 00:00:00 2001
|
|
From: Vladimir Oltean <vladimir.oltean@nxp.com>
|
|
Date: Wed, 2 Feb 2022 01:03:21 +0100
|
|
Subject: [PATCH 02/16] net: dsa: replay master state events in
|
|
dsa_tree_{setup,teardown}_master
|
|
|
|
In order for switch driver to be able to make simple and reliable use of
|
|
the master tracking operations, they must also be notified of the
|
|
initial state of the DSA master, not just of the changes. This is
|
|
because they might enable certain features only during the time when
|
|
they know that the DSA master is up and running.
|
|
|
|
Therefore, this change explicitly checks the state of the DSA master
|
|
under the same rtnl_mutex as we were holding during the
|
|
dsa_master_setup() and dsa_master_teardown() call. The idea being that
|
|
if the DSA master became operational in between the moment in which it
|
|
became a DSA master (dsa_master_setup set dev->dsa_ptr) and the moment
|
|
when we checked for the master being up, there is a chance that we
|
|
would emit a ->master_state_change() call with no actual state change.
|
|
We need to avoid that by serializing the concurrent netdevice event with
|
|
us. If the netdevice event started before, we force it to finish before
|
|
we begin, because we take rtnl_lock before making netdev_uses_dsa()
|
|
return true. So we also handle that early event and do nothing on it.
|
|
Similarly, if the dev_open() attempt is concurrent with us, it will
|
|
attempt to take the rtnl_mutex, but we're holding it. We'll see that
|
|
the master flag IFF_UP isn't set, then when we release the rtnl_mutex
|
|
we'll process the NETDEV_UP notifier.
|
|
|
|
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
|
|
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
|
|
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
|
|
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
---
|
|
net/dsa/dsa2.c | 28 ++++++++++++++++++++++++----
|
|
1 file changed, 24 insertions(+), 4 deletions(-)
|
|
|
|
--- a/net/dsa/dsa2.c
|
|
+++ b/net/dsa/dsa2.c
|
|
@@ -15,6 +15,7 @@
|
|
#include <linux/of.h>
|
|
#include <linux/of_net.h>
|
|
#include <net/devlink.h>
|
|
+#include <net/sch_generic.h>
|
|
|
|
#include "dsa_priv.h"
|
|
|
|
@@ -1082,9 +1083,18 @@ static int dsa_tree_setup_master(struct
|
|
|
|
list_for_each_entry(dp, &dst->ports, list) {
|
|
if (dsa_port_is_cpu(dp)) {
|
|
- err = dsa_master_setup(dp->master, dp);
|
|
+ struct net_device *master = dp->master;
|
|
+ bool admin_up = (master->flags & IFF_UP) &&
|
|
+ !qdisc_tx_is_noop(master);
|
|
+
|
|
+ err = dsa_master_setup(master, dp);
|
|
if (err)
|
|
return err;
|
|
+
|
|
+ /* Replay master state event */
|
|
+ dsa_tree_master_admin_state_change(dst, master, admin_up);
|
|
+ dsa_tree_master_oper_state_change(dst, master,
|
|
+ netif_oper_up(master));
|
|
}
|
|
}
|
|
|
|
@@ -1099,9 +1109,19 @@ static void dsa_tree_teardown_master(str
|
|
|
|
rtnl_lock();
|
|
|
|
- list_for_each_entry(dp, &dst->ports, list)
|
|
- if (dsa_port_is_cpu(dp))
|
|
- dsa_master_teardown(dp->master);
|
|
+ list_for_each_entry(dp, &dst->ports, list) {
|
|
+ if (dsa_port_is_cpu(dp)) {
|
|
+ struct net_device *master = dp->master;
|
|
+
|
|
+ /* Synthesizing an "admin down" state is sufficient for
|
|
+ * the switches to get a notification if the master is
|
|
+ * currently up and running.
|
|
+ */
|
|
+ dsa_tree_master_admin_state_change(dst, master, false);
|
|
+
|
|
+ dsa_master_teardown(master);
|
|
+ }
|
|
+ }
|
|
|
|
rtnl_unlock();
|
|
}
|