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authorFlorian Fainelli <f.fainelli@gmail.com>2017-01-30 20:48:43 +0300
committerDavid S. Miller <davem@davemloft.net>2017-01-30 22:49:58 +0300
commit7318166cacad158b46240f66250d7cc5a481653b (patch)
tree3362ad3da2cbfccbc591a04a47d9e5846a0e620f /drivers/net/dsa/bcm_sf2.c
parent853458087ef0e5300fa978dccef40b73d411c6e6 (diff)
downloadlinux-7318166cacad158b46240f66250d7cc5a481653b.tar.xz
net: dsa: bcm_sf2: Add support for ethtool::rxnfc
Add support for configuring classification rules using the ethtool::rxnfc API. This is useful to program the switch's CFP/TCAM to redirect specific packets to specific ports/queues for instance. For now, we allow any kind of IPv4 5-tuple matching. 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.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 637072da3acf..be282b430c50 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -1045,6 +1045,8 @@ static const struct dsa_switch_ops bcm_sf2_ops = {
.port_fdb_dump = b53_fdb_dump,
.port_fdb_add = b53_fdb_add,
.port_fdb_del = b53_fdb_del,
+ .get_rxnfc = bcm_sf2_get_rxnfc,
+ .set_rxnfc = bcm_sf2_set_rxnfc,
};
struct bcm_sf2_of_data {
@@ -1168,6 +1170,12 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev)
spin_lock_init(&priv->indir_lock);
mutex_init(&priv->stats_mutex);
+ mutex_init(&priv->cfp.lock);
+
+ /* CFP rule #0 cannot be used for specific classifications, flag it as
+ * permanently used
+ */
+ set_bit(0, priv->cfp.used);
bcm_sf2_identify_ports(priv, dn->child);
@@ -1197,6 +1205,12 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev)
return ret;
}
+ ret = bcm_sf2_cfp_rst(priv);
+ if (ret) {
+ pr_err("failed to reset CFP\n");
+ goto out_mdio;
+ }
+
/* Disable all interrupts and request them */
bcm_sf2_intr_disable(priv);