iavf: remove some unused functions and pointless wrappers

Remove iavf_aq_get_rss_lut(), iavf_aq_get_rss_key(), iavf_vf_reset().

Remove some "OS specific memory free for shared code" wrappers ;)

Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/iavf/iavf_alloc.h

@@ -28,7 +28,6 @@ enum iavf_status iavf_free_dma_mem(struct iavf_hw *hw,
 				   struct iavf_dma_mem *mem);
 enum iavf_status iavf_allocate_virt_mem(struct iavf_hw *hw,
 					struct iavf_virt_mem *mem, u32 size);
-enum iavf_status iavf_free_virt_mem(struct iavf_hw *hw,
-				    struct iavf_virt_mem *mem);
+void iavf_free_virt_mem(struct iavf_hw *hw, struct iavf_virt_mem *mem);
 
 #endif /* _IAVF_ALLOC_H_ */

drivers/net/ethernet/intel/iavf/iavf_common.c

@@ -35,7 +35,6 @@ enum iavf_status iavf_set_mac_type(struct iavf_hw *hw)
 		status = IAVF_ERR_DEVICE_NOT_SUPPORTED;
 	}
 
-	hw_dbg(hw, "found mac: %d, returns: %d\n", hw->mac.type, status);
 	return status;
 }
 
@@ -397,23 +396,6 @@ static enum iavf_status iavf_aq_get_set_rss_lut(struct iavf_hw *hw,
 	return status;
 }
 
-/**
- * iavf_aq_get_rss_lut
- * @hw: pointer to the hardware structure
- * @vsi_id: vsi fw index
- * @pf_lut: for PF table set true, for VSI table set false
- * @lut: pointer to the lut buffer provided by the caller
- * @lut_size: size of the lut buffer
- *
- * get the RSS lookup table, PF or VSI type
- **/
-enum iavf_status iavf_aq_get_rss_lut(struct iavf_hw *hw, u16 vsi_id,
-				     bool pf_lut, u8 *lut, u16 lut_size)
-{
-	return iavf_aq_get_set_rss_lut(hw, vsi_id, pf_lut, lut, lut_size,
-				       false);
-}
-
 /**
  * iavf_aq_set_rss_lut
  * @hw: pointer to the hardware structure
@@ -472,19 +454,6 @@ iavf_status iavf_aq_get_set_rss_key(struct iavf_hw *hw, u16 vsi_id,
 	return status;
 }
 
-/**
- * iavf_aq_get_rss_key
- * @hw: pointer to the hw struct
- * @vsi_id: vsi fw index
- * @key: pointer to key info struct
- *
- **/
-enum iavf_status iavf_aq_get_rss_key(struct iavf_hw *hw, u16 vsi_id,
-				     struct iavf_aqc_get_set_rss_key_data *key)
-{
-	return iavf_aq_get_set_rss_key(hw, vsi_id, key, false);
-}
-
 /**
  * iavf_aq_set_rss_key
  * @hw: pointer to the hw struct
@@ -828,17 +797,3 @@ void iavf_vf_parse_hw_config(struct iavf_hw *hw,
 		vsi_res++;
 	}
 }
-
-/**
- * iavf_vf_reset
- * @hw: pointer to the hardware structure
- *
- * Send a VF_RESET message to the PF. Does not wait for response from PF
- * as none will be forthcoming. Immediately after calling this function,
- * the admin queue should be shut down and (optionally) reinitialized.
- **/
-enum iavf_status iavf_vf_reset(struct iavf_hw *hw)
-{
-	return iavf_aq_send_msg_to_pf(hw, VIRTCHNL_OP_RESET_VF,
-				      0, NULL, 0, NULL);
-}

drivers/net/ethernet/intel/iavf/iavf_main.c

@@ -192,12 +192,11 @@ enum iavf_status iavf_allocate_dma_mem_d(struct iavf_hw *hw,
 }
 
 /**
- * iavf_free_dma_mem_d - OS specific memory free for shared code
+ * iavf_free_dma_mem - wrapper for DMA memory freeing
  * @hw:   pointer to the HW structure
  * @mem:  ptr to mem struct to free
  **/
-enum iavf_status iavf_free_dma_mem_d(struct iavf_hw *hw,
-				     struct iavf_dma_mem *mem)
+enum iavf_status iavf_free_dma_mem(struct iavf_hw *hw, struct iavf_dma_mem *mem)
 {
 	struct iavf_adapter *adapter = (struct iavf_adapter *)hw->back;
 
@@ -209,13 +208,13 @@ enum iavf_status iavf_free_dma_mem_d(struct iavf_hw *hw,
 }
 
 /**
- * iavf_allocate_virt_mem_d - OS specific memory alloc for shared code
+ * iavf_allocate_virt_mem - virt memory alloc wrapper
  * @hw:   pointer to the HW structure
  * @mem:  ptr to mem struct to fill out
  * @size: size of memory requested
  **/
-enum iavf_status iavf_allocate_virt_mem_d(struct iavf_hw *hw,
-					  struct iavf_virt_mem *mem, u32 size)
+enum iavf_status iavf_allocate_virt_mem(struct iavf_hw *hw,
+					struct iavf_virt_mem *mem, u32 size)
 {
 	if (!mem)
 		return IAVF_ERR_PARAM;
@@ -230,20 +229,13 @@ enum iavf_status iavf_allocate_virt_mem_d(struct iavf_hw *hw,
 }
 
 /**
- * iavf_free_virt_mem_d - OS specific memory free for shared code
+ * iavf_free_virt_mem - virt memory free wrapper
  * @hw:   pointer to the HW structure
  * @mem:  ptr to mem struct to free
  **/
-enum iavf_status iavf_free_virt_mem_d(struct iavf_hw *hw,
-				      struct iavf_virt_mem *mem)
+void iavf_free_virt_mem(struct iavf_hw *hw, struct iavf_virt_mem *mem)
 {
-	if (!mem)
-		return IAVF_ERR_PARAM;
-
-	/* it's ok to kfree a NULL pointer */
 	kfree(mem->va);
-
-	return 0;
 }
 
 /**

drivers/net/ethernet/intel/iavf/iavf_osdep.h

@@ -13,12 +13,6 @@
 /* get readq/writeq support for 32 bit kernels, use the low-first version */
 #include <linux/io-64-nonatomic-lo-hi.h>
 
-/* File to be the magic between shared code and
- * actual OS primitives
- */
-
-#define hw_dbg(hw, S, A...)	do {} while (0)
-
 #define wr32(a, reg, value)	writel((value), ((a)->hw_addr + (reg)))
 #define rd32(a, reg)		readl((a)->hw_addr + (reg))
 
@@ -35,14 +29,11 @@ struct iavf_dma_mem {
 
 #define iavf_allocate_dma_mem(h, m, unused, s, a) \
 	iavf_allocate_dma_mem_d(h, m, s, a)
-#define iavf_free_dma_mem(h, m) iavf_free_dma_mem_d(h, m)
 
 struct iavf_virt_mem {
 	void *va;
 	u32 size;
 };
-#define iavf_allocate_virt_mem(h, m, s) iavf_allocate_virt_mem_d(h, m, s)
-#define iavf_free_virt_mem(h, m) iavf_free_virt_mem_d(h, m)
 
 #define iavf_debug(h, m, s, ...)				\
 do {								\

drivers/net/ethernet/intel/iavf/iavf_prototype.h

@@ -40,12 +40,8 @@ enum iavf_status iavf_aq_queue_shutdown(struct iavf_hw *hw, bool unloading);
 const char *iavf_aq_str(struct iavf_hw *hw, enum iavf_admin_queue_err aq_err);
 const char *iavf_stat_str(struct iavf_hw *hw, enum iavf_status stat_err);
 
-enum iavf_status iavf_aq_get_rss_lut(struct iavf_hw *hw, u16 seid,
-				     bool pf_lut, u8 *lut, u16 lut_size);
 enum iavf_status iavf_aq_set_rss_lut(struct iavf_hw *hw, u16 seid,
 				     bool pf_lut, u8 *lut, u16 lut_size);
-enum iavf_status iavf_aq_get_rss_key(struct iavf_hw *hw, u16 seid,
-				     struct iavf_aqc_get_set_rss_key_data *key);
 enum iavf_status iavf_aq_set_rss_key(struct iavf_hw *hw, u16 seid,
 				     struct iavf_aqc_get_set_rss_key_data *key);
 
@@ -60,7 +56,6 @@ static inline struct iavf_rx_ptype_decoded decode_rx_desc_ptype(u8 ptype)
 
 void iavf_vf_parse_hw_config(struct iavf_hw *hw,
 			     struct virtchnl_vf_resource *msg);
-enum iavf_status iavf_vf_reset(struct iavf_hw *hw);
 enum iavf_status iavf_aq_send_msg_to_pf(struct iavf_hw *hw,
 					enum virtchnl_ops v_opcode,
 					enum iavf_status v_retval,