diff options
| author | Rafał Miłecki <rafal@milecki.pl> | 2021-02-26 16:20:38 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-02-28 22:51:31 +0300 |
| commit | d313d16bbaea0f11a2e98f04a6c678b43c208915 (patch) | |
| tree | 998eab17767ea02ac4abaf8de4729b0ed319ee87 /drivers/net/ethernet/broadcom/bcm4908_enet.c | |
| parent | a4fc088ad4ff4a99d01978aa41065132b574b4b2 (diff) | |
| download | linux-d313d16bbaea0f11a2e98f04a6c678b43c208915.tar.xz | |
net: broadcom: bcm4908_enet: enable RX after processing packets
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 <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210226132038.29849-1-zajec5@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bcm4908_enet.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bcm4908_enet.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; } |