diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40e_txrx.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40e_txrx.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h index ebc1bf77f036..e29bb3e86cfd 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h @@ -201,6 +201,7 @@ struct i40e_tx_queue_stats { u64 tx_busy; u64 tx_done_old; u64 tx_linearize; + u64 tx_force_wb; }; struct i40e_rx_queue_stats { @@ -267,6 +268,8 @@ struct i40e_ring { bool ring_active; /* is ring online or not */ bool arm_wb; /* do something to arm write back */ + u8 packet_stride; +#define I40E_TXR_FLAGS_LAST_XMIT_MORE_SET BIT(2) u16 flags; #define I40E_TXR_FLAGS_WB_ON_ITR BIT(0) @@ -321,4 +324,19 @@ int i40evf_setup_rx_descriptors(struct i40e_ring *rx_ring); void i40evf_free_tx_resources(struct i40e_ring *tx_ring); void i40evf_free_rx_resources(struct i40e_ring *rx_ring); int i40evf_napi_poll(struct napi_struct *napi, int budget); +u32 i40evf_get_tx_pending(struct i40e_ring *ring); + +/** + * i40e_get_head - Retrieve head from head writeback + * @tx_ring: Tx ring to fetch head of + * + * Returns value of Tx ring head based on value stored + * in head write-back location + **/ +static inline u32 i40e_get_head(struct i40e_ring *tx_ring) +{ + void *head = (struct i40e_tx_desc *)tx_ring->desc + tx_ring->count; + + return le32_to_cpu(*(volatile __le32 *)head); +} #endif /* _I40E_TXRX_H_ */ |