diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx_common.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx_common.h | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h b/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h index 8af0e99c6c0d..667c4dc4b39f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h @@ -4,13 +4,9 @@ #ifndef I40E_TXRX_COMMON_ #define I40E_TXRX_COMMON_ -void i40e_fd_handle_status(struct i40e_ring *rx_ring, - union i40e_rx_desc *rx_desc, u8 prog_id); int i40e_xmit_xdp_tx_ring(struct xdp_buff *xdp, struct i40e_ring *xdp_ring); -struct i40e_rx_buffer *i40e_clean_programming_status( - struct i40e_ring *rx_ring, - union i40e_rx_desc *rx_desc, - u64 qw); +void i40e_clean_programming_status(struct i40e_ring *rx_ring, u64 qword0_raw, + u64 qword1); void i40e_process_skb_fields(struct i40e_ring *rx_ring, union i40e_rx_desc *rx_desc, struct sk_buff *skb); void i40e_xdp_ring_update_tail(struct i40e_ring *xdp_ring); @@ -84,6 +80,38 @@ static inline void i40e_arm_wb(struct i40e_ring *tx_ring, } } +/** + * i40e_rx_is_programming_status - check for programming status descriptor + * @qword1: qword1 representing status_error_len in CPU ordering + * + * The value of in the descriptor length field indicate if this + * is a programming status descriptor for flow director or FCoE + * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise + * it is a packet descriptor. + **/ +static inline bool i40e_rx_is_programming_status(u64 qword1) +{ + /* The Rx filter programming status and SPH bit occupy the same + * spot in the descriptor. Since we don't support packet split we + * can just reuse the bit as an indication that this is a + * programming status descriptor. + */ + return qword1 & I40E_RXD_QW1_LENGTH_SPH_MASK; +} + +/** + * i40e_inc_ntc: Advance the next_to_clean index + * @rx_ring: Rx ring + **/ +static inline void i40e_inc_ntc(struct i40e_ring *rx_ring) +{ + u32 ntc = rx_ring->next_to_clean + 1; + + ntc = (ntc < rx_ring->count) ? ntc : 0; + rx_ring->next_to_clean = ntc; + prefetch(I40E_RX_DESC(rx_ring, ntc)); +} + void i40e_xsk_clean_rx_ring(struct i40e_ring *rx_ring); void i40e_xsk_clean_tx_ring(struct i40e_ring *tx_ring); bool i40e_xsk_any_rx_ring_enabled(struct i40e_vsi *vsi); |