This is a note to let you know that I've just added the patch titled
ice: Fix XDP memory leak when NIC is brought up and down
to the 6.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ice-fix-xdp-memory-leak-when-nic-is-brought-up-and-d.patch
and it can be found in the queue-6.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 9affdfb4e46d5692cddedc494708bd2f0213fc50
Author: Kamil Maziarz <kamil.maziarz@xxxxxxxxx>
Date: Tue Jun 6 12:33:58 2023 +0200
ice: Fix XDP memory leak when NIC is brought up and down
[ Upstream commit 78c50d6961fc05491ebbc71c35d87324b1a4f49a ]
Fix the buffer leak that occurs while switching
the port up and down with traffic and XDP by
checking for an active XDP program and freeing all empty TX buffers.
Fixes: efc2214b6047 ("ice: Add support for XDP")
Signed-off-by: Kamil Maziarz <kamil.maziarz@xxxxxxxxx>
Tested-by: Chandan Kumar Rout <chandanx.rout@xxxxxxxxx> (A Contingent Worker at Intel)
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 0d8b8c6f9bd35..0c949ed22a313 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -7048,6 +7048,10 @@ int ice_down(struct ice_vsi *vsi)
ice_for_each_txq(vsi, i)
ice_clean_tx_ring(vsi->tx_rings[i]);
+ if (ice_is_xdp_ena_vsi(vsi))
+ ice_for_each_xdp_txq(vsi, i)
+ ice_clean_tx_ring(vsi->xdp_rings[i]);
+
ice_for_each_rxq(vsi, i)
ice_clean_rx_ring(vsi->rx_rings[i]);
