tg3: Create rx producer ring setup routines

Later patches are going to complicate the ring initialization routines.
This patch breaks out the setup and teardown of the rx producer rings
into separate functions to make the code more readable.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed