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authorMiquel Raynal <miquel.raynal@bootlin.com>2022-04-07 13:08:58 +0300
committerStefan Schmidt <stefan@datenfreihafen.org>2022-04-25 21:51:12 +0300
commit5a1b57c0dde9b93ba8261fa1c81f9aae2bac284a (patch)
tree2727624358f8d0b4ea17a076b5313ef320c8695e /net/mac802154
parent30ca44eb2480ede838c7c8c131a7d25589a98f0a (diff)
downloadlinux-5a1b57c0dde9b93ba8261fa1c81f9aae2bac284a.tar.xz
net: mac802154: Create an error helper for asynchronous offloading errors
A few drivers do the full transmit operation asynchronously, which means that a bus error that happens when forwarding the packet to the transmitter or a timeout happening when offloading the request to the transmitter will not be reported immediately. The solution in this case is to call this new helper to free the necessary resources, restart the queue and always return the same generic TRAC error code: IEEE802154_SYSTEM_ERROR. Suggested-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Alexander Aring <aahringo@redhat.com> Link: https://lore.kernel.org/r/20220407100903.1695973-6-miquel.raynal@bootlin.com Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Diffstat (limited to 'net/mac802154')
-rw-r--r--net/mac802154/util.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/mac802154/util.c b/net/mac802154/util.c
index ec523335336c..9f024d85563b 100644
--- a/net/mac802154/util.c
+++ b/net/mac802154/util.c
@@ -102,6 +102,12 @@ void ieee802154_xmit_error(struct ieee802154_hw *hw, struct sk_buff *skb,
}
EXPORT_SYMBOL(ieee802154_xmit_error);
+void ieee802154_xmit_hw_error(struct ieee802154_hw *hw, struct sk_buff *skb)
+{
+ ieee802154_xmit_error(hw, skb, IEEE802154_SYSTEM_ERROR);
+}
+EXPORT_SYMBOL(ieee802154_xmit_hw_error);
+
void ieee802154_stop_device(struct ieee802154_local *local)
{
flush_workqueue(local->workqueue);