tg3: rename rx_[std|jmb]_ptr

A later patch is going to add consumer indicies for the producer rings.
To keep things readable, this patch renames rx_[std|jmb]_ptr to
rx_[std|jmb]_prod_idx.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 00e7e14..59a715a 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -4564,13 +4564,13 @@
 			ri = &tpr->rx_std_buffers[desc_idx];
 			dma_addr = pci_unmap_addr(ri, mapping);
 			skb = ri->skb;
-			post_ptr = &tpr->rx_std_ptr;
+			post_ptr = &tpr->rx_std_prod_idx;
 			rx_std_posted++;
 		} else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
 			ri = &tpr->rx_jmb_buffers[desc_idx];
 			dma_addr = pci_unmap_addr(ri, mapping);
 			skb = ri->skb;
-			post_ptr = &tpr->rx_jmb_ptr;
+			post_ptr = &tpr->rx_jmb_prod_idx;
 		} else
 			goto next_pkt_nopost;
 
@@ -4687,12 +4687,12 @@
 
 	/* Refill RX ring(s). */
 	if (work_mask & RXD_OPAQUE_RING_STD) {
-		sw_idx = tpr->rx_std_ptr % TG3_RX_RING_SIZE;
+		sw_idx = tpr->rx_std_prod_idx % TG3_RX_RING_SIZE;
 		tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
 			     sw_idx);
 	}
 	if (work_mask & RXD_OPAQUE_RING_JUMBO) {
-		sw_idx = tpr->rx_jmb_ptr % TG3_RX_JUMBO_RING_SIZE;
+		sw_idx = tpr->rx_jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
 		tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
 			     sw_idx);
 	}
@@ -7509,14 +7509,14 @@
 
 	tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
 
-	tpr->rx_std_ptr = tp->rx_pending;
+	tpr->rx_std_prod_idx = tp->rx_pending;
 	tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
-		     tpr->rx_std_ptr);
+		     tpr->rx_std_prod_idx);
 
-	tpr->rx_jmb_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
+	tpr->rx_jmb_prod_idx = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
 			  tp->rx_jumbo_pending : 0;
 	tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
-		     tpr->rx_jmb_ptr);
+		     tpr->rx_jmb_prod_idx);
 
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
 		tw32(STD_REPLENISH_LWM, 32);