igb: re-use ring configuration code in ethtool testing

Since all of the ring code is now specific to the ring instead of the adapter
struct it is possible to cut a large section of code out of the ethtool
testing configuraiton since we can just use the existing functions to
configure the rings.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 22 deletions

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 9dd290cf754..576a4fac51d 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -91,8 +91,6 @@ static int igb_open(struct net_device *);
 static int igb_close(struct net_device *);
 static void igb_configure_tx(struct igb_adapter *);
 static void igb_configure_rx(struct igb_adapter *);
-static void igb_setup_tctl(struct igb_adapter *);
-static void igb_setup_rctl(struct igb_adapter *);
 static void igb_clean_all_tx_rings(struct igb_adapter *);
 static void igb_clean_all_rx_rings(struct igb_adapter *);
 static void igb_clean_tx_ring(struct igb_ring *);
@@ -120,7 +118,6 @@ static void igb_setup_dca(struct igb_adapter *);
 static bool igb_clean_tx_irq(struct igb_q_vector *);
 static int igb_poll(struct napi_struct *, int);
 static bool igb_clean_rx_irq_adv(struct igb_q_vector *, int *, int);
-static void igb_alloc_rx_buffers_adv(struct igb_ring *, int);
 static int igb_ioctl(struct net_device *, struct ifreq *, int cmd);
 static void igb_tx_timeout(struct net_device *);
 static void igb_reset_task(struct work_struct *);
@@ -310,17 +307,6 @@ static char *igb_get_time_str(struct igb_adapter *adapter,
 #endif
 
 /**
- * igb_desc_unused - calculate if we have unused descriptors
- **/
-static int igb_desc_unused(struct igb_ring *ring)
-{
-        if (ring->next_to_clean > ring->next_to_use)
-                return ring->next_to_clean - ring->next_to_use - 1;
-
-        return ring->count + ring->next_to_clean - ring->next_to_use - 1;
-}
-
-/**
  * igb_init_module - Driver Registration Routine
  *
  * igb_init_module is the first routine called when the driver is
@@ -2087,7 +2073,7 @@ static int igb_setup_all_tx_resources(struct igb_adapter *adapter)
  * igb_setup_tctl - configure the transmit control registers
  * @adapter: Board private structure
  **/
-static void igb_setup_tctl(struct igb_adapter *adapter)
+void igb_setup_tctl(struct igb_adapter *adapter)
 {
         struct e1000_hw *hw = &adapter->hw;
         u32 tctl;
@@ -2116,8 +2102,8 @@ static void igb_setup_tctl(struct igb_adapter *adapter)
  *
  * Configure a transmit ring after a reset.
  **/
-static void igb_configure_tx_ring(struct igb_adapter *adapter,
-                                  struct igb_ring *ring)
+void igb_configure_tx_ring(struct igb_adapter *adapter,
+                           struct igb_ring *ring)
 {
         struct e1000_hw *hw = &adapter->hw;
         u32 txdctl;
@@ -2339,7 +2325,7 @@ static void igb_setup_mrqc(struct igb_adapter *adapter)
  * igb_setup_rctl - configure the receive control registers
  * @adapter: Board private structure
  **/
-static void igb_setup_rctl(struct igb_adapter *adapter)
+void igb_setup_rctl(struct igb_adapter *adapter)
 {
         struct e1000_hw *hw = &adapter->hw;
         u32 rctl;
@@ -2423,8 +2409,8 @@ static void igb_rlpml_set(struct igb_adapter *adapter)
  *
  * Configure the Rx unit of the MAC after a reset.
  **/
-static void igb_configure_rx_ring(struct igb_adapter *adapter,
-                                  struct igb_ring *ring)
+void igb_configure_rx_ring(struct igb_adapter *adapter,
+                           struct igb_ring *ring)
 {
         struct e1000_hw *hw = &adapter->hw;
         u64 rdba = ring->dma;
@@ -5034,8 +5020,7 @@ next_desc:
  * igb_alloc_rx_buffers_adv - Replace used receive buffers; packet split
  * @adapter: address of board private structure
  **/
-static void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring,
-                                     int cleaned_count)
+void igb_alloc_rx_buffers_adv(struct igb_ring *rx_ring, int cleaned_count)
 {
         struct net_device *netdev = rx_ring->netdev;
         union e1000_adv_rx_desc *rx_desc;