__IXGBEVF_RX_3K_BUFFER
test_bit(__IXGBEVF_RX_3K_BUFFER, &(ring)->state)
set_bit(__IXGBEVF_RX_3K_BUFFER, &(ring)->state)
clear_bit(__IXGBEVF_RX_3K_BUFFER, &(ring)->state)