diff options
Diffstat (limited to 'target/linux/bcm4908/patches-5.4/071-v5.12-0002-net-dsa-bcm_sf2-use-2-Gbps-IMP-port-link-on-BCM4908.patch')
| -rw-r--r-- | target/linux/bcm4908/patches-5.4/071-v5.12-0002-net-dsa-bcm_sf2-use-2-Gbps-IMP-port-link-on-BCM4908.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/bcm4908/patches-5.4/071-v5.12-0002-net-dsa-bcm_sf2-use-2-Gbps-IMP-port-link-on-BCM4908.patch b/target/linux/bcm4908/patches-5.4/071-v5.12-0002-net-dsa-bcm_sf2-use-2-Gbps-IMP-port-link-on-BCM4908.patch new file mode 100644 index 0000000000..2ab34c1261 --- /dev/null +++ b/target/linux/bcm4908/patches-5.4/071-v5.12-0002-net-dsa-bcm_sf2-use-2-Gbps-IMP-port-link-on-BCM4908.patch @@ -0,0 +1,33 @@ +From 8373a0fe9c7160a55482effa8a3f725efd3f8434 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Wed, 10 Mar 2021 13:51:59 +0100 +Subject: [PATCH] net: dsa: bcm_sf2: use 2 Gbps IMP port link on BCM4908 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +BCM4908 uses 2 Gbps link between switch and the Ethernet interface. +Without this BCM4908 devices were able to achieve only 2 x ~895 Mb/s. +This allows handling e.g. NAT traffic with 940 Mb/s. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Acked-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/dsa/bcm_sf2.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +--- a/drivers/net/dsa/bcm_sf2.c ++++ b/drivers/net/dsa/bcm_sf2.c +@@ -70,7 +70,10 @@ static void bcm_sf2_imp_setup(struct dsa + /* Force link status for IMP port */ + reg = core_readl(priv, offset); + reg |= (MII_SW_OR | LINK_STS); +- reg &= ~GMII_SPEED_UP_2G; ++ if (priv->type == BCM4908_DEVICE_ID) ++ reg |= GMII_SPEED_UP_2G; ++ else ++ reg &= ~GMII_SPEED_UP_2G; + core_writel(priv, reg, offset); + + /* Enable Broadcast, Multicast, Unicast forwarding to IMP port */ |