diff options
| author | Björn Töpel <bjorn.topel@intel.com> | 2018-09-07 11:18:45 +0300 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2018-09-25 23:10:24 +0300 |
| commit | 9dbb137045774f66d036ce3bcdd3f36b9401f8d4 (patch) | |
| tree | d91c499d61aed51320f436891ace5a4c09867f73 /drivers/net/ethernet/intel/i40e/i40e_txrx_common.h | |
| parent | 679b05c0536b18b4729b5272c50116d0315dc5bc (diff) | |
| download | linux-9dbb137045774f66d036ce3bcdd3f36b9401f8d4.tar.xz | |
i40e: clean zero-copy XDP Tx ring on shutdown/reset
When the zero-copy enabled XDP Tx ring is torn down, due to
configuration changes, outstanding frames on the hardware descriptor
ring are queued on the completion ring.
The completion ring has a back-pressure mechanism that will guarantee
that there is sufficient space on the ring.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx_common.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx_common.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h b/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h index b5afd479a9c5..29c68b29d36f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h @@ -87,4 +87,6 @@ static inline void i40e_arm_wb(struct i40e_ring *tx_ring, } } +void i40e_xsk_clean_tx_ring(struct i40e_ring *tx_ring); + #endif /* I40E_TXRX_COMMON_ */ |