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kernel@lists.fedoraproject.org
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[PATCH F18/rawhide] team: update to latest net-next
by Jiri Pirko
04 Sep '12
04 Sep '12
From: Jiri Pirko <jiri(a)resnulli.us> Update team driver to latest net-next. Split patches available here:
http://people.redhat.com/jpirko/f18_team_update_3/
Jiri Pirko (4): 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 drivers/net/team/Kconfig | 4 +- drivers/net/team/team.c | 104 +++++++++++++++++++++++-------- 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, 103 insertions(+), 40 deletions(-) Signed-off-by: Jiri Pirko <jpirko(a)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..3462755 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) { @@ -849,6 +849,8 @@ static struct netpoll_info *team_netpoll_info(struct team *team) #endif static void __team_port_change_check(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 +859,8 @@ 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 +871,17 @@ 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 +903,7 @@ 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) { @@ -972,7 +984,7 @@ 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); @@ -1009,7 +1021,7 @@ 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 +1307,18 @@ 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 +1549,45 @@ 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); @@ -2245,7 +2297,7 @@ 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); } @@ -2276,9 +2328,9 @@ 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); } 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);
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