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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: 4feffeadbc ("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>
This commit is contained in:
Rafał Miłecki 2021-02-26 14:20:38 +01:00 committed by Jakub Kicinski
parent a4fc088ad4
commit d313d16bba
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/broadcom/bcm4908_enet.c
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@ -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;
}