netdev: octeon_mgmt: Free TX skbufs in a timely manner.
We also reduce the high water mark to 1 so skbufs are not stranded for
long periods of time. Since we are cleaning after each packet, no
need to do it in the transmit path.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/octeon/octeon_mgmt.c b/drivers/net/octeon/octeon_mgmt.c
index 633fa89..3cf6f62 100644
--- a/drivers/net/octeon/octeon_mgmt.c
+++ b/drivers/net/octeon/octeon_mgmt.c
@@ -832,9 +832,9 @@
mix_irhwm.s.irhwm = 0;
cvmx_write_csr(CVMX_MIXX_IRHWM(port), mix_irhwm.u64);
- /* Interrupt when we have 5 or more packets to clean. */
+ /* Interrupt when we have 1 or more packets to clean. */
mix_orhwm.u64 = 0;
- mix_orhwm.s.orhwm = 5;
+ mix_orhwm.s.orhwm = 1;
cvmx_write_csr(CVMX_MIXX_ORHWM(port), mix_orhwm.u64);
/* Enable receive and transmit interrupts */
@@ -995,7 +995,6 @@
cvmx_write_csr(CVMX_MIXX_ORING2(port), 1);
netdev->trans_start = jiffies;
- octeon_mgmt_clean_tx_buffers(p);
octeon_mgmt_update_tx_stats(netdev);
return NETDEV_TX_OK;
}