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authorScott Feldman <sfeldma@gmail.com>2015-07-18 18:24:51 -0700
committerDavid S. Miller <davem@davemloft.net>2015-07-20 18:32:45 -0700
commit3f98a8e636757ce404f305d65dc93e9366112886 (patch)
tree2bfa54af9a6872206126d91cd46aad311e04bd8b
parent1a3b2ec93d4277b121979321b4024b438cb09504 (diff)
rocker: add offload_fwd_mark support
If device flags ingress packet as "fwd offload", mark the skb->offlaod_fwd_mark using the ingress port's dev->offlaod_fwd_mark. This will be the hint to the kernel that this packet has already been forwarded by device to egress ports matching skb->offlaod_fwd_mark. For rocker, derive port dev->offlaod_fwd_mark based on device switch ID and port ifindex. If port is bridged, use the bridge ifindex rather than the port ifindex. Signed-off-by: Scott Feldman <sfeldma@gmail.com> Acked-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/rocker/rocker.c11
-rw-r--r--drivers/net/ethernet/rocker/rocker.h1
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index 4ccde93cd07a..7b4c3474acfe 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -4822,6 +4822,7 @@ static int rocker_port_rx_proc(const struct rocker *rocker,
const struct rocker_tlv *attrs[ROCKER_TLV_RX_MAX + 1];
struct sk_buff *skb = rocker_desc_cookie_ptr_get(desc_info);
size_t rx_len;
+ u16 rx_flags = 0;
if (!skb)
return -ENOENT;
@@ -4829,6 +4830,8 @@ static int rocker_port_rx_proc(const struct rocker *rocker,
rocker_tlv_parse_desc(attrs, ROCKER_TLV_RX_MAX, desc_info);
if (!attrs[ROCKER_TLV_RX_FRAG_LEN])
return -EINVAL;
+ if (attrs[ROCKER_TLV_RX_FLAGS])
+ rx_flags = rocker_tlv_get_u16(attrs[ROCKER_TLV_RX_FLAGS]);
rocker_dma_rx_ring_skb_unmap(rocker, attrs);
@@ -4836,6 +4839,9 @@ static int rocker_port_rx_proc(const struct rocker *rocker,
skb_put(skb, rx_len);
skb->protocol = eth_type_trans(skb, rocker_port->dev);
+ if (rx_flags & ROCKER_RX_FLAGS_FWD_OFFLOAD)
+ skb->offload_fwd_mark = rocker_port->dev->offload_fwd_mark;
+
rocker_port->dev->stats.rx_packets++;
rocker_port->dev->stats.rx_bytes += skb->len;
@@ -4973,6 +4979,8 @@ static int rocker_probe_port(struct rocker *rocker, unsigned int port_number)
}
rocker->ports[port_number] = rocker_port;
+ switchdev_port_fwd_mark_set(rocker_port->dev, NULL, false);
+
rocker_port_set_learning(rocker_port, SWITCHDEV_TRANS_NONE);
err = rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, 0);
@@ -5252,6 +5260,7 @@ static int rocker_port_bridge_join(struct rocker_port *rocker_port,
rocker_port_internal_vlan_id_get(rocker_port, bridge->ifindex);
rocker_port->bridge_dev = bridge;
+ switchdev_port_fwd_mark_set(rocker_port->dev, bridge, true);
return rocker_port_vlan_add(rocker_port, SWITCHDEV_TRANS_NONE,
untagged_vid, 0);
@@ -5272,6 +5281,8 @@ static int rocker_port_bridge_leave(struct rocker_port *rocker_port)
rocker_port_internal_vlan_id_get(rocker_port,
rocker_port->dev->ifindex);
+ switchdev_port_fwd_mark_set(rocker_port->dev, rocker_port->bridge_dev,
+ false);
rocker_port->bridge_dev = NULL;
err = rocker_port_vlan_add(rocker_port, SWITCHDEV_TRANS_NONE,
diff --git a/drivers/net/ethernet/rocker/rocker.h b/drivers/net/ethernet/rocker/rocker.h
index 08b2c3d96188..12490b2f6504 100644
--- a/drivers/net/ethernet/rocker/rocker.h
+++ b/drivers/net/ethernet/rocker/rocker.h
@@ -246,6 +246,7 @@ enum {
#define ROCKER_RX_FLAGS_TCP BIT(5)
#define ROCKER_RX_FLAGS_UDP BIT(6)
#define ROCKER_RX_FLAGS_TCP_UDP_CSUM_GOOD BIT(7)
+#define ROCKER_RX_FLAGS_FWD_OFFLOAD BIT(8)
enum {
ROCKER_TLV_TX_UNSPEC,