sky2: dynamic size transmit ring

Allocate and size transmit ring based on parameters. Saves excess
space and allows configuring larger rings for testing.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index feb3204134ed..2c262f763f93 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -2011,6 +2011,7 @@ struct sky2_port {
 
         struct tx_ring_info  *tx_ring;
         struct sky2_tx_le    *tx_le;
+        u16                  tx_ring_size;
         u16                  tx_cons;           /* next le to check */
         u16                  tx_prod;           /* next le to use */
         u16                  tx_next;           /* debug only */