diff options
| author | Scott Feldman <sfeldma@gmail.com> | 2014-11-28 16:34:20 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-12-03 07:01:22 +0300 |
| commit | 38dcf357aed299186ecb090cc2f5290cc17d637d (patch) | |
| tree | a5fa0ef8464099c4aad79bd67d1e23759ad8e6c4 /net | |
| parent | aecbe01e7410ad2de022796472f531ae6941f15e (diff) | |
| download | linux-38dcf357aed299186ecb090cc2f5290cc17d637d.tar.xz | |
bridge: call netdev_sw_port_stp_update when bridge port STP status changes
To notify switch driver of change in STP state of bridge port, add new
.ndo op and provide switchdev wrapper func to call ndo op. Use it in bridge
code then.
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bridge/br_stp.c | 7 | ||||
| -rw-r--r-- | net/switchdev/switchdev.c | 19 |
2 files changed, 26 insertions, 0 deletions
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c index 2b047bcf42a4..fb3ebe615513 100644 --- a/net/bridge/br_stp.c +++ b/net/bridge/br_stp.c @@ -12,6 +12,7 @@ */ #include <linux/kernel.h> #include <linux/rculist.h> +#include <net/switchdev.h> #include "br_private.h" #include "br_private_stp.h" @@ -38,7 +39,13 @@ void br_log_state(const struct net_bridge_port *p) void br_set_state(struct net_bridge_port *p, unsigned int state) { + int err; + p->state = state; + err = netdev_switch_port_stp_update(p->dev, state); + if (err && err != -EOPNOTSUPP) + br_warn(p->br, "error setting offload STP state on port %u(%s)\n", + (unsigned int) p->port_no, p->dev->name); } /* called under bridge lock */ diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 66973deaae56..d162b21b14bd 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -31,3 +31,22 @@ int netdev_switch_parent_id_get(struct net_device *dev, return ops->ndo_switch_parent_id_get(dev, psid); } EXPORT_SYMBOL(netdev_switch_parent_id_get); + +/** + * netdev_switch_port_stp_update - Notify switch device port of STP + * state change + * @dev: port device + * @state: port STP state + * + * Notify switch device port of bridge port STP state change. + */ +int netdev_switch_port_stp_update(struct net_device *dev, u8 state) +{ + const struct net_device_ops *ops = dev->netdev_ops; + + if (!ops->ndo_switch_port_stp_update) + return -EOPNOTSUPP; + WARN_ON(!ops->ndo_switch_parent_id_get); + return ops->ndo_switch_port_stp_update(dev, state); +} +EXPORT_SYMBOL(netdev_switch_port_stp_update); |