diff options
| author | Horatiu Vultur <horatiu.vultur@microchip.com> | 2021-02-16 22:42:05 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-02-16 14:47:46 -0800 |
| commit | a026c50b599fab8ad829f87af372866e229d8175 (patch) | |
| tree | d1361f9d17b9199bf0e5ef85c417d49729d9a381 /net/dsa | |
| parent | c595c4330da06fff716337239a8d5e528341a502 (diff) | |
| download | linux-a026c50b599fab8ad829f87af372866e229d8175.tar.gz linux-a026c50b599fab8ad829f87af372866e229d8175.tar.bz2 linux-a026c50b599fab8ad829f87af372866e229d8175.zip | |
net: dsa: felix: Add support for MRP
Implement functions 'port_mrp_add', 'port_mrp_del',
'port_mrp_add_ring_role' and 'port_mrp_del_ring_role' to call the mrp
functions from ocelot.
Also all MRP frames that arrive to CPU on queue number OCELOT_MRP_CPUQ
will be forward by the SW.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dsa')
| -rw-r--r-- | net/dsa/tag_ocelot.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/dsa/tag_ocelot.c b/net/dsa/tag_ocelot.c index f9df9cac81c5..743809b5806b 100644 --- a/net/dsa/tag_ocelot.c +++ b/net/dsa/tag_ocelot.c @@ -83,6 +83,7 @@ static struct sk_buff *ocelot_rcv(struct sk_buff *skb, struct dsa_port *dp; u8 *extraction; u16 vlan_tpid; + u64 cpuq; /* Revert skb->data by the amount consumed by the DSA master, * so it points to the beginning of the frame. @@ -112,6 +113,7 @@ static struct sk_buff *ocelot_rcv(struct sk_buff *skb, ocelot_xfh_get_qos_class(extraction, &qos_class); ocelot_xfh_get_tag_type(extraction, &tag_type); ocelot_xfh_get_vlan_tci(extraction, &vlan_tci); + ocelot_xfh_get_cpuq(extraction, &cpuq); skb->dev = dsa_master_find_slave(netdev, 0, src_port); if (!skb->dev) @@ -126,6 +128,12 @@ static struct sk_buff *ocelot_rcv(struct sk_buff *skb, skb->offload_fwd_mark = 1; skb->priority = qos_class; +#if IS_ENABLED(CONFIG_BRIDGE_MRP) + if (eth_hdr(skb)->h_proto == cpu_to_be16(ETH_P_MRP) && + cpuq & BIT(OCELOT_MRP_CPUQ)) + skb->offload_fwd_mark = 0; +#endif + /* Ocelot switches copy frames unmodified to the CPU. However, it is * possible for the user to request a VLAN modification through * VCAP_IS1_ACT_VID_REPLACE_ENA. In this case, what will happen is that |