igb: add pci device pointer to ring structure

This patch adds a pci device pointer to the ring structure.  The main use of
this pointer is for memory mapping/unmapping of 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, 3 insertions, 2 deletions

diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index e52fee44aeac..de268620dd92 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -173,6 +173,7 @@ struct igb_q_vector {
 struct igb_ring {
         struct igb_q_vector *q_vector; /* backlink to q_vector */
         void *desc;                    /* descriptor ring memory */
+        struct pci_dev *pdev;          /* pci device for dma mapping */
         dma_addr_t dma;                /* phys address of the ring */
         unsigned int size;             /* length of desc. ring in bytes */
         unsigned int count;            /* number of desc. in the ring */
@@ -325,8 +326,8 @@ extern void igb_down(struct igb_adapter *);
 extern void igb_reinit_locked(struct igb_adapter *);
 extern void igb_reset(struct igb_adapter *);
 extern int igb_set_spd_dplx(struct igb_adapter *, u16);
-extern int igb_setup_tx_resources(struct igb_adapter *, struct igb_ring *);
-extern int igb_setup_rx_resources(struct igb_adapter *, struct igb_ring *);
+extern int igb_setup_tx_resources(struct igb_ring *);
+extern int igb_setup_rx_resources(struct igb_ring *);
 extern void igb_free_tx_resources(struct igb_ring *);
 extern void igb_free_rx_resources(struct igb_ring *);
 extern void igb_update_stats(struct igb_adapter *);