Message ID | 1436397403-62412-5-git-send-email-sfeldma@gmail.com |
---|---|
State | Changes Requested, archived |
Delegated to: | David Miller |
Headers | show |
Hi Scott, On Wed, Jul 08, 2015 at 04:16:42PM -0700, sfeldma@gmail.com wrote: > From: Scott Feldman <sfeldma@gmail.com> > > 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> [snip] > diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c > index c005167..a4ced91 100644 > --- a/drivers/net/ethernet/rocker/rocker.c > +++ b/drivers/net/ethernet/rocker/rocker.c [snip] > @@ -4938,11 +4944,13 @@ 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); > if (err) { > - dev_err(&pdev->dev, "install ig port table failed\n"); > + netdev_err(rocker_port->dev, "install ig port table failed\n"); > goto err_port_ig_tbl; > } It is unclear to me how the above *_err change and... > > @@ -4962,6 +4970,7 @@ err_untagged_vlan: > rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, > ROCKER_OP_FLAG_REMOVE); > err_port_ig_tbl: > + rocker->ports[port_number] = NULL; > unregister_netdev(dev); > err_register_netdev: > free_netdev(dev); ... the above ports[] change relate to the rest of this patch. [snip] -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Wed, Jul 8, 2015 at 9:26 PM, Simon Horman <simon.horman@netronome.com> wrote: > Hi Scott, > > On Wed, Jul 08, 2015 at 04:16:42PM -0700, sfeldma@gmail.com wrote: >> From: Scott Feldman <sfeldma@gmail.com> >> >> 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> > > [snip] > >> diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c >> index c005167..a4ced91 100644 >> --- a/drivers/net/ethernet/rocker/rocker.c >> +++ b/drivers/net/ethernet/rocker/rocker.c > > [snip] > >> @@ -4938,11 +4944,13 @@ 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); >> if (err) { >> - dev_err(&pdev->dev, "install ig port table failed\n"); >> + netdev_err(rocker_port->dev, "install ig port table failed\n"); >> goto err_port_ig_tbl; >> } > > It is unclear to me how the above *_err change and... > >> >> @@ -4962,6 +4970,7 @@ err_untagged_vlan: >> rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, >> ROCKER_OP_FLAG_REMOVE); >> err_port_ig_tbl: >> + rocker->ports[port_number] = NULL; >> unregister_netdev(dev); >> err_register_netdev: >> free_netdev(dev); > > ... the above ports[] change relate to the rest of this patch. Not related; I'll pull those out for v2 and send under separate cover. Thanks for reviewing. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index c005167..a4ced91 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -4787,6 +4787,7 @@ 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; @@ -4794,6 +4795,8 @@ 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); @@ -4801,6 +4804,9 @@ 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; @@ -4938,11 +4944,13 @@ 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); if (err) { - dev_err(&pdev->dev, "install ig port table failed\n"); + netdev_err(rocker_port->dev, "install ig port table failed\n"); goto err_port_ig_tbl; } @@ -4962,6 +4970,7 @@ err_untagged_vlan: rocker_port_ig_tbl(rocker_port, SWITCHDEV_TRANS_NONE, ROCKER_OP_FLAG_REMOVE); err_port_ig_tbl: + rocker->ports[port_number] = NULL; unregister_netdev(dev); err_register_netdev: free_netdev(dev); @@ -5217,6 +5226,7 @@ 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); @@ -5237,6 +5247,8 @@ 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 08b2c3d..12490b2 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,