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From: Jiri Pirko <jpirko@redhat.com>
To: kernel@lists.fedoraproject.org
Subject: [patch F18/rawhide] team: update to latest net-next
Date: Mon, 24 Sep 2012 08:02:54 +0200
Message-Id: <1348466574-1982-1-git-send-email-jpirko@redhat.com>
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Update team driver to latest net-next.
Split patches available here:
http://people.redhat.com/jpirko/f18_team_update_3/
Jiri Pirko (5):
team: add support for non-ethernet devices
team: don't print warn message on -ESRCH during event send
vlan: add helper which can be called to see if device is used by vlan
team: do not allow to add VLAN challenged port when vlan is used
team: send port changed when added
drivers/net/team/Kconfig | 4 +-
drivers/net/team/team.c | 137 ++++++++++++++++++++++++--------
drivers/net/team/team_mode_broadcast.c | 8 +-
drivers/net/team/team_mode_roundrobin.c | 8 +-
include/linux/if_team.h | 4 +-
include/linux/if_vlan.h | 9 ++-
net/8021q/vlan_core.c | 6 ++
7 files changed, 128 insertions(+), 48 deletions(-)
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
diff --git a/drivers/net/team/Kconfig b/drivers/net/team/Kconfig
index 6a7260b..6b08bd4 100644
--- a/drivers/net/team/Kconfig
+++ b/drivers/net/team/Kconfig
@@ -21,7 +21,7 @@ config NET_TEAM_MODE_BROADCAST
---help---
Basic mode where packets are transmitted always by all suitable ports.
- All added ports are setup to have team's mac address.
+ All added ports are setup to have team's device address.
To compile this team mode as a module, choose M here: the module
will be called team_mode_broadcast.
@@ -33,7 +33,7 @@ config NET_TEAM_MODE_ROUNDROBIN
Basic mode where port used for transmitting packets is selected in
round-robin fashion using packet counter.
- All added ports are setup to have team's mac address.
+ All added ports are setup to have team's device address.
To compile this team mode as a module, choose M here: the module
will be called team_mode_roundrobin.
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 341b65d..17d4be3 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -54,29 +54,29 @@ static struct team_port *team_port_get_rtnl(const struct net_device *dev)
}
/*
- * Since the ability to change mac address for open port device is tested in
+ * Since the ability to change device address for open port device is tested in
* team_port_add, this function can be called without control of return value
*/
-static int __set_port_mac(struct net_device *port_dev,
- const unsigned char *dev_addr)
+static int __set_port_dev_addr(struct net_device *port_dev,
+ const unsigned char *dev_addr)
{
struct sockaddr addr;
- memcpy(addr.sa_data, dev_addr, ETH_ALEN);
- addr.sa_family = ARPHRD_ETHER;
+ memcpy(addr.sa_data, dev_addr, port_dev->addr_len);
+ addr.sa_family = port_dev->type;
return dev_set_mac_address(port_dev, &addr);
}
-static int team_port_set_orig_mac(struct team_port *port)
+static int team_port_set_orig_dev_addr(struct team_port *port)
{
- return __set_port_mac(port->dev, port->orig.dev_addr);
+ return __set_port_dev_addr(port->dev, port->orig.dev_addr);
}
-int team_port_set_team_mac(struct team_port *port)
+int team_port_set_team_dev_addr(struct team_port *port)
{
- return __set_port_mac(port->dev, port->team->dev->dev_addr);
+ return __set_port_dev_addr(port->dev, port->team->dev->dev_addr);
}
-EXPORT_SYMBOL(team_port_set_team_mac);
+EXPORT_SYMBOL(team_port_set_team_dev_addr);
static void team_refresh_port_linkup(struct team_port *port)
{
@@ -848,7 +848,10 @@ static struct netpoll_info *team_netpoll_info(struct team *team)
}
#endif
-static void __team_port_change_check(struct team_port *port, bool linkup);
+static void __team_port_change_port_added(struct team_port *port, bool linkup);
+
+static int team_dev_type_check_change(struct net_device *dev,
+ struct net_device *port_dev);
static int team_port_add(struct team *team, struct net_device *port_dev)
{
@@ -857,9 +860,8 @@ static int team_port_add(struct team *team, struct net_device *port_dev)
char *portname = port_dev->name;
int err;
- if (port_dev->flags & IFF_LOOPBACK ||
- port_dev->type != ARPHRD_ETHER) {
- netdev_err(dev, "Device %s is of an unsupported type\n",
+ if (port_dev->flags & IFF_LOOPBACK) {
+ netdev_err(dev, "Device %s is loopback device. Loopback devices can't be added as a team port\n",
portname);
return -EINVAL;
}
@@ -870,6 +872,17 @@ static int team_port_add(struct team *team, struct net_device *port_dev)
return -EBUSY;
}
+ if (port_dev->features & NETIF_F_VLAN_CHALLENGED &&
+ vlan_uses_dev(dev)) {
+ netdev_err(dev, "Device %s is VLAN challenged and team device has VLAN set up\n",
+ portname);
+ return -EPERM;
+ }
+
+ err = team_dev_type_check_change(dev, port_dev);
+ if (err)
+ return err;
+
if (port_dev->flags & IFF_UP) {
netdev_err(dev, "Device %s is up. Set it down before adding it as a team port\n",
portname);
@@ -891,7 +904,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev)
goto err_set_mtu;
}
- memcpy(port->orig.dev_addr, port_dev->dev_addr, ETH_ALEN);
+ memcpy(port->orig.dev_addr, port_dev->dev_addr, port_dev->addr_len);
err = team_port_enter(team, port);
if (err) {
@@ -948,7 +961,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev)
team_port_enable(team, port);
list_add_tail_rcu(&port->list, &team->port_list);
__team_compute_features(team);
- __team_port_change_check(port, !!netif_carrier_ok(port_dev));
+ __team_port_change_port_added(port, !!netif_carrier_ok(port_dev));
__team_options_change_check(team);
netdev_info(dev, "Port device %s added\n", portname);
@@ -972,7 +985,7 @@ err_vids_add:
err_dev_open:
team_port_leave(team, port);
- team_port_set_orig_mac(port);
+ team_port_set_orig_dev_addr(port);
err_port_enter:
dev_set_mtu(port_dev, port->orig.mtu);
@@ -983,6 +996,8 @@ err_set_mtu:
return err;
}
+static void __team_port_change_port_removed(struct team_port *port);
+
static int team_port_del(struct team *team, struct net_device *port_dev)
{
struct net_device *dev = team->dev;
@@ -999,8 +1014,7 @@ static int team_port_del(struct team *team, struct net_device *port_dev)
__team_option_inst_mark_removed_port(team, port);
__team_options_change_check(team);
__team_option_inst_del_port(team, port);
- port->removed = true;
- __team_port_change_check(port, false);
+ __team_port_change_port_removed(port);
team_port_disable(team, port);
list_del_rcu(&port->list);
netdev_rx_handler_unregister(port_dev);
@@ -1009,7 +1023,7 @@ static int team_port_del(struct team *team, struct net_device *port_dev)
vlan_vids_del_by_dev(port_dev, dev);
dev_close(port_dev);
team_port_leave(team, port);
- team_port_set_orig_mac(port);
+ team_port_set_orig_dev_addr(port);
dev_set_mtu(port_dev, port->orig.mtu);
synchronize_rcu();
kfree(port);
@@ -1295,17 +1309,18 @@ static void team_set_rx_mode(struct net_device *dev)
static int team_set_mac_address(struct net_device *dev, void *p)
{
+ struct sockaddr *addr = p;
struct team *team = netdev_priv(dev);
struct team_port *port;
- int err;
- err = eth_mac_addr(dev, p);
- if (err)
- return err;
+ if (dev->type == ARPHRD_ETHER && !is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+ dev->addr_assign_type &= ~NET_ADDR_RANDOM;
rcu_read_lock();
list_for_each_entry_rcu(port, &team->port_list, list)
- if (team->ops.port_change_mac)
- team->ops.port_change_mac(team, port);
+ if (team->ops.port_change_dev_addr)
+ team->ops.port_change_dev_addr(team, port);
rcu_read_unlock();
return 0;
}
@@ -1536,6 +1551,45 @@ static const struct net_device_ops team_netdev_ops = {
* rt netlink interface
***********************/
+static void team_setup_by_port(struct net_device *dev,
+ struct net_device *port_dev)
+{
+ dev->header_ops = port_dev->header_ops;
+ dev->type = port_dev->type;
+ dev->hard_header_len = port_dev->hard_header_len;
+ dev->addr_len = port_dev->addr_len;
+ dev->mtu = port_dev->mtu;
+ memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len);
+ memcpy(dev->dev_addr, port_dev->dev_addr, port_dev->addr_len);
+ dev->addr_assign_type &= ~NET_ADDR_RANDOM;
+}
+
+static int team_dev_type_check_change(struct net_device *dev,
+ struct net_device *port_dev)
+{
+ struct team *team = netdev_priv(dev);
+ char *portname = port_dev->name;
+ int err;
+
+ if (dev->type == port_dev->type)
+ return 0;
+ if (!list_empty(&team->port_list)) {
+ netdev_err(dev, "Device %s is of different type\n", portname);
+ return -EBUSY;
+ }
+ err = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev);
+ err = notifier_to_errno(err);
+ if (err) {
+ netdev_err(dev, "Refused to change device type\n");
+ return err;
+ }
+ dev_uc_flush(dev);
+ dev_mc_flush(dev);
+ team_setup_by_port(dev, port_dev);
+ call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev);
+ return 0;
+}
+
static void team_setup(struct net_device *dev)
{
ether_setup(dev);
@@ -2245,19 +2299,17 @@ static void __team_options_change_check(struct team *team)
list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list);
}
err = team_nl_send_event_options_get(team, &sel_opt_inst_list);
- if (err)
+ if (err && err != -ESRCH)
netdev_warn(team->dev, "Failed to send options change via netlink (err %d)\n",
err);
}
/* rtnl lock is held */
-static void __team_port_change_check(struct team_port *port, bool linkup)
+
+static void __team_port_change_send(struct team_port *port, bool linkup)
{
int err;
- if (!port->removed && port->state.linkup == linkup)
- return;
-
port->changed = true;
port->state.linkup = linkup;
team_refresh_port_linkup(port);
@@ -2276,12 +2328,29 @@ static void __team_port_change_check(struct team_port *port, bool linkup)
send_event:
err = team_nl_send_event_port_list_get(port->team);
- if (err)
- netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink\n",
- port->dev->name);
+ if (err && err != -ESRCH)
+ netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink (err %d)\n",
+ port->dev->name, err);
}
+static void __team_port_change_check(struct team_port *port, bool linkup)
+{
+ if (port->state.linkup != linkup)
+ __team_port_change_send(port, linkup);
+}
+
+static void __team_port_change_port_added(struct team_port *port, bool linkup)
+{
+ __team_port_change_send(port, linkup);
+}
+
+static void __team_port_change_port_removed(struct team_port *port)
+{
+ port->removed = true;
+ __team_port_change_send(port, false);
+}
+
static void team_port_change_check(struct team_port *port, bool linkup)
{
struct team *team = port->team;
diff --git a/drivers/net/team/team_mode_broadcast.c b/drivers/net/team/team_mode_broadcast.c
index c96e4d2..9db0171 100644
--- a/drivers/net/team/team_mode_broadcast.c
+++ b/drivers/net/team/team_mode_broadcast.c
@@ -48,18 +48,18 @@ static bool bc_transmit(struct team *team, struct sk_buff *skb)
static int bc_port_enter(struct team *team, struct team_port *port)
{
- return team_port_set_team_mac(port);
+ return team_port_set_team_dev_addr(port);
}
-static void bc_port_change_mac(struct team *team, struct team_port *port)
+static void bc_port_change_dev_addr(struct team *team, struct team_port *port)
{
- team_port_set_team_mac(port);
+ team_port_set_team_dev_addr(port);
}
static const struct team_mode_ops bc_mode_ops = {
.transmit = bc_transmit,
.port_enter = bc_port_enter,
- .port_change_mac = bc_port_change_mac,
+ .port_change_dev_addr = bc_port_change_dev_addr,
};
static const struct team_mode bc_mode = {
diff --git a/drivers/net/team/team_mode_roundrobin.c b/drivers/net/team/team_mode_roundrobin.c
index ad7ed0e..105135a 100644
--- a/drivers/net/team/team_mode_roundrobin.c
+++ b/drivers/net/team/team_mode_roundrobin.c
@@ -66,18 +66,18 @@ drop:
static int rr_port_enter(struct team *team, struct team_port *port)
{
- return team_port_set_team_mac(port);
+ return team_port_set_team_dev_addr(port);
}
-static void rr_port_change_mac(struct team *team, struct team_port *port)
+static void rr_port_change_dev_addr(struct team *team, struct team_port *port)
{
- team_port_set_team_mac(port);
+ team_port_set_team_dev_addr(port);
}
static const struct team_mode_ops rr_mode_ops = {
.transmit = rr_transmit,
.port_enter = rr_port_enter,
- .port_change_mac = rr_port_change_mac,
+ .port_change_dev_addr = rr_port_change_dev_addr,
};
static const struct team_mode rr_mode = {
diff --git a/include/linux/if_team.h b/include/linux/if_team.h
index aa2e167..667f2a5 100644
--- a/include/linux/if_team.h
+++ b/include/linux/if_team.h
@@ -105,7 +105,7 @@ struct team_mode_ops {
bool (*transmit)(struct team *team, struct sk_buff *skb);
int (*port_enter)(struct team *team, struct team_port *port);
void (*port_leave)(struct team *team, struct team_port *port);
- void (*port_change_mac)(struct team *team, struct team_port *port);
+ void (*port_change_dev_addr)(struct team *team, struct team_port *port);
void (*port_enabled)(struct team *team, struct team_port *port);
void (*port_disabled)(struct team *team, struct team_port *port);
};
@@ -231,7 +231,7 @@ static inline struct team_port *team_get_port_by_index_rcu(struct team *team,
return NULL;
}
-extern int team_port_set_team_mac(struct team_port *port);
+extern int team_port_set_team_dev_addr(struct team_port *port);
extern int team_options_register(struct team *team,
const struct team_option *option,
size_t option_count);
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index a810987..e6ff12d 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -74,8 +74,6 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
/* found in socket.c */
extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
-struct vlan_info;
-
static inline int is_vlan_dev(struct net_device *dev)
{
return dev->priv_flags & IFF_802_1Q_VLAN;
@@ -101,6 +99,8 @@ extern int vlan_vids_add_by_dev(struct net_device *dev,
const struct net_device *by_dev);
extern void vlan_vids_del_by_dev(struct net_device *dev,
const struct net_device *by_dev);
+
+extern bool vlan_uses_dev(const struct net_device *dev);
#else
static inline struct net_device *
__vlan_find_dev_deep(struct net_device *real_dev, u16 vlan_id)
@@ -151,6 +151,11 @@ static inline void vlan_vids_del_by_dev(struct net_device *dev,
const struct net_device *by_dev)
{
}
+
+static inline bool vlan_uses_dev(const struct net_device *dev)
+{
+ return false;
+}
#endif
/**
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 8ca533c..b258da8 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -368,3 +368,9 @@ void vlan_vids_del_by_dev(struct net_device *dev,
vlan_vid_del(dev, vid_info->vid);
}
EXPORT_SYMBOL(vlan_vids_del_by_dev);
+
+bool vlan_uses_dev(const struct net_device *dev)
+{
+ return rtnl_dereference(dev->vlan_info) ? true : false;
+}
+EXPORT_SYMBOL(vlan_uses_dev);