Commit 1e6d6f8c authored by Kiran Patil's avatar Kiran Patil Committed by Jeff Kirsher
Browse files

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: default avatarKiran Patil <kiran.patil@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 34c2d9fb

drivers/net/ethernet/intel/i40e/i40e_txrx.c

+0 −13
Original line number Diff line number Diff line
@@ -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

drivers/net/ethernet/intel/i40e/i40e_txrx.h

+14 −0
Original line number Diff line number Diff line
@@ -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_ */

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