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ice: Fix XDP memory leak when NIC is brought up and down

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[ 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: efc2214b60 ("ice: Add support for XDP")
Signed-off-by: Kamil Maziarz <kamil.maziarz@intel.com>
Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com> (A Contingent Worker at Intel)
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kamil Maziarz 2023-06-06 12:33:58 +02:00 • committed by Greg Kroah-Hartman
parent 8fddf3f051
commit bec51844f9
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/intel/ice/ice_main.c
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@ -6784,6 +6784,10 @@ 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]);