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bf280c0387
Tx code doesn't clear the descriptors' status after cleaning.
So, if the budget is larger than number of used elems in a ring, some
descriptors will be accounted twice and xsk_umem_complete_tx will move
prod_tail far beyond the prod_head breaking the completion queue ring.
Fix that by limiting the number of descriptors to clean by the number
of used descriptors in the Tx ring.
'ixgbe_clean_xdp_tx_irq()' function refactored to look more like
'ixgbe_xsk_clean_tx_ring()' since we're allowed to directly use
'next_to_clean' and 'next_to_use' indexes.
CC: stable@vger.kernel.org
Fixes:
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|---|---|---|
| .. | ||
| ixgbe.h | ||
| ixgbe_82598.c | ||
| ixgbe_82599.c | ||
| ixgbe_common.c | ||
| ixgbe_common.h | ||
| ixgbe_dcb.c | ||
| ixgbe_dcb.h | ||
| ixgbe_dcb_82598.c | ||
| ixgbe_dcb_82598.h | ||
| ixgbe_dcb_82599.c | ||
| ixgbe_dcb_82599.h | ||
| ixgbe_dcb_nl.c | ||
| ixgbe_debugfs.c | ||
| ixgbe_ethtool.c | ||
| ixgbe_fcoe.c | ||
| ixgbe_fcoe.h | ||
| ixgbe_ipsec.c | ||
| ixgbe_ipsec.h | ||
| ixgbe_lib.c | ||
| ixgbe_main.c | ||
| ixgbe_mbx.c | ||
| ixgbe_mbx.h | ||
| ixgbe_model.h | ||
| ixgbe_phy.c | ||
| ixgbe_phy.h | ||
| ixgbe_ptp.c | ||
| ixgbe_sriov.c | ||
| ixgbe_sriov.h | ||
| ixgbe_sysfs.c | ||
| ixgbe_txrx_common.h | ||
| ixgbe_type.h | ||
| ixgbe_x540.c | ||
| ixgbe_x540.h | ||
| ixgbe_x550.c | ||
| ixgbe_xsk.c | ||
| Makefile | ||