diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/dsa/bcm_sf2_cfp.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/drivers/net/dsa/bcm_sf2_cfp.c b/drivers/net/dsa/bcm_sf2_cfp.c index 7b10a9f31538..f707edc641cf 100644 --- a/drivers/net/dsa/bcm_sf2_cfp.c +++ b/drivers/net/dsa/bcm_sf2_cfp.c @@ -13,6 +13,8 @@ #include <net/dsa.h> #include <linux/bitmap.h> #include <net/flow_offload.h> +#include <net/switchdev.h> +#include <uapi/linux/if_bridge.h> #include "bcm_sf2.h" #include "bcm_sf2_regs.h" @@ -847,7 +849,9 @@ static int bcm_sf2_cfp_rule_insert(struct dsa_switch *ds, int port, struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); s8 cpu_port = dsa_to_port(ds, port)->cpu_dp->index; __u64 ring_cookie = fs->ring_cookie; + struct switchdev_obj_port_vlan vlan; unsigned int queue_num, port_num; + u16 vid; int ret; /* This rule is a Wake-on-LAN filter and we must specifically @@ -867,6 +871,34 @@ static int bcm_sf2_cfp_rule_insert(struct dsa_switch *ds, int port, dsa_is_cpu_port(ds, port_num)) || port_num >= priv->hw_params.num_ports) return -EINVAL; + + /* If the rule is matching a particular VLAN, make sure that we honor + * the matching and have it tagged or untagged on the destination port, + * we do this on egress with a VLAN entry. The egress tagging attribute + * is expected to be provided in h_ext.data[1] bit 0. A 1 means untagged, + * a 0 means tagged. + */ + if (fs->flow_type & FLOW_EXT) { + /* We cannot support matching multiple VLAN IDs yet */ + if ((be16_to_cpu(fs->m_ext.vlan_tci) & VLAN_VID_MASK) != + VLAN_VID_MASK) + return -EINVAL; + + vid = be16_to_cpu(fs->h_ext.vlan_tci) & VLAN_VID_MASK; + vlan.vid_begin = vid; + vlan.vid_end = vid; + if (cpu_to_be32(fs->h_ext.data[1]) & 1) + vlan.flags = BRIDGE_VLAN_INFO_UNTAGGED; + else + vlan.flags = 0; + + ret = ds->ops->port_vlan_prepare(ds, port_num, &vlan); + if (ret) + return ret; + + ds->ops->port_vlan_add(ds, port_num, &vlan); + } + /* * We have a small oddity where Port 6 just does not have a * valid bit here (so we substract by one). @@ -902,14 +934,18 @@ static int bcm_sf2_cfp_rule_set(struct dsa_switch *ds, int port, int ret = -EINVAL; /* Check for unsupported extensions */ - if ((fs->flow_type & FLOW_MAC_EXT) || - fs->m_ext.data[1]) + if (fs->flow_type & FLOW_MAC_EXT) return -EINVAL; if (fs->location != RX_CLS_LOC_ANY && fs->location > bcm_sf2_cfp_rule_size(priv)) return -EINVAL; + if ((fs->flow_type & FLOW_EXT) && + !(ds->ops->port_vlan_prepare || ds->ops->port_vlan_add || + ds->ops->port_vlan_del)) + return -EOPNOTSUPP; + if (fs->location != RX_CLS_LOC_ANY && test_bit(fs->location, priv->cfp.used)) return -EBUSY; |