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| author |   Florian Fainelli <f.fainelli@gmail.com> | 2020-03-30 14:38:50 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-03-30 19:55:42 -0700 |
| commit | 8b6b208b69917d88bb3e087f8c9e61c6b05ed571 (patch) | |
| tree | 256d4b3b92b184ba55a9679b7b154821c413ae4e /drivers/net/dsa/bcm_sf2.c | |
| parent | net: dsa: b53: Deny enslaving port 7 for 7278 into a bridge (diff) | |
| download | linux-dev-8b6b208b69917d88bb3e087f8c9e61c6b05ed571.tar.xz linux-dev-8b6b208b69917d88bb3e087f8c9e61c6b05ed571.zip | |
net: dsa: bcm_sf2: Disable learning for ASP port
We don't want to enable learning for the ASP port since it only receives
directed traffic, this allows us to bypass ARL-driven forwarding rules
which could conflict with Broadcom tags and/or CFP forwarding.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/bcm_sf2.c')
| -rw-r--r-- | drivers/net/dsa/bcm_sf2.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 368ead87e07a..affa5c6e135c 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -178,9 +178,17 @@ static int bcm_sf2_port_setup(struct dsa_switch *ds, int port, core_writel(priv, reg, CORE_DIS_LEARN); /* Enable Broadcom tags for that port if requested */ - if (priv->brcm_tag_mask & BIT(port)) + if (priv->brcm_tag_mask & BIT(port)) { b53_brcm_hdr_setup(ds, port); + /* Disable learning on ASP port */ + if (port == 7) { + reg = core_readl(priv, CORE_DIS_LEARN); + reg |= BIT(port); + core_writel(priv, reg, CORE_DIS_LEARN); + } + } + /* Configure Traffic Class to QoS mapping, allow each priority to map * to a different queue number */ |