diff options
| author | Kiran Patil <kiran.patil@intel.com> | 2015-09-24 15:43:02 -0400 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2015-09-28 17:38:27 -0700 |
| commit | 1e6d6f8c1b07a5874444c3a403eb24427e8b39d3 (patch) | |
| tree | 081255a434a2293bc48faf7cba3d8e5ad646c3cd | |
| parent | 34c2d9fb0498c066afbe610b15e18995fd8be792 (diff) | |
i40e: Move i40e_get_head into header file
i40e_get_head needs to be called in multiple files in a further patch,
prepare by moving the function into a header file.
Signed-off-by: Kiran Patil <kiran.patil@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.c | 13 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.h | 14 |
2 files changed, 14 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 738aca68f665..9a800f99ec13 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -600,19 +600,6 @@ void i40e_free_tx_resources(struct i40e_ring *tx_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); -} /** * i40e_get_tx_pending - how many tx descriptors not processed diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h index f1385a1989fa..51487ef9eda3 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h @@ -326,4 +326,18 @@ int i40e_xmit_descriptor_count(struct sk_buff *skb, struct i40e_ring *tx_ring); int i40e_tx_prepare_vlan_flags(struct sk_buff *skb, struct i40e_ring *tx_ring, u32 *flags); #endif + +/** + * 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_ */ |