diff options
author | Scott Feldman <sfeldma@gmail.com> | 2015-07-18 18:24:51 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2015-07-20 18:32:45 -0700 |
commit | 3f98a8e636757ce404f305d65dc93e9366112886 (patch) | |
tree | 2bfa54af9a6872206126d91cd46aad311e04bd8b | |
parent | 1a3b2ec93d4277b121979321b4024b438cb09504 (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.c | 11 | ||||
-rw-r--r-- | drivers/net/ethernet/rocker/rocker.h | 1 |
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, |