diff options
Diffstat (limited to 'target/linux/bcm4908/patches-5.4/073-v5.12-0012-net-broadcom-bcm4908_enet-enable-RX-after-processing.patch')
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/073-v5.12-0012-net-broadcom-bcm4908_enet-enable-RX-after-processing.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0012-net-broadcom-bcm4908_enet-enable-RX-after-processing.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0012-net-broadcom-bcm4908_enet-enable-RX-after-processing.patch new file mode 100644 index 0000000000..ad1bebf3ec --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0012-net-broadcom-bcm4908_enet-enable-RX-after-processing.patch @@ -0,0 +1,34 @@ +From d313d16bbaea0f11a2e98f04a6c678b43c208915 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Fri, 26 Feb 2021 14:20:38 +0100 +Subject: [PATCH] net: broadcom: bcm4908_enet: enable RX after processing + packets +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +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> +--- + drivers/net/ethernet/broadcom/bcm4908_enet.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- 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 + 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; + } + |