From: Rafał Miłecki <[email protected]>
When receiving a lot of packets hardware may run out of free
descriptiors and stop RX ring. Enable it every time after handling
received packets.
Fixes: 4feffeadbcb2 ("net: broadcom: bcm4908enet: add BCM4908 controller
driver")
Signed-off-by: Rafał Miłecki <[email protected]>
---
drivers/net/ethernet/broadcom/bcm4908_enet.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/broadcom/bcm4908_enet.c
b/drivers/net/ethernet/broadcom/bcm4908_enet.c
index 0b70e9e0ddad..98cf82dea3e4 100644
--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
@@ -592,6 +592,9 @@ static int bcm4908_enet_poll(struct napi_struct *napi, int
weight)
bcm4908_enet_intrs_on(enet);
}
+ /* Hardware could disable ring if it run out of descriptors */
+ bcm4908_enet_dma_rx_ring_enable(enet, &enet->rx_ring);
+
return handled;
}
--
2.26.2
