diff options
Diffstat (limited to 'drivers/net/team/team.c')
| -rw-r--r-- | drivers/net/team/team.c | 51 |
1 files changed, 38 insertions, 13 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index a6c6ce19eeee..8863fa023500 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -261,6 +261,17 @@ static void __team_option_inst_mark_removed_port(struct team *team, } } +static bool __team_option_inst_tmp_find(const struct list_head *opts, + const struct team_option_inst *needle) +{ + struct team_option_inst *opt_inst; + + list_for_each_entry(opt_inst, opts, tmp_list) + if (opt_inst == needle) + return true; + return false; +} + static int __team_options_register(struct team *team, const struct team_option *option, size_t option_count) @@ -993,7 +1004,8 @@ static void team_port_disable(struct team *team, static void __team_compute_features(struct team *team) { struct team_port *port; - u32 vlan_features = TEAM_VLAN_FEATURES & NETIF_F_ALL_FOR_ALL; + netdev_features_t vlan_features = TEAM_VLAN_FEATURES & + NETIF_F_ALL_FOR_ALL; netdev_features_t enc_features = TEAM_ENC_FEATURES; unsigned short max_hard_header_len = ETH_HLEN; unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE | @@ -1015,7 +1027,8 @@ static void __team_compute_features(struct team *team) } team->dev->vlan_features = vlan_features; - team->dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL; + team->dev->hw_enc_features = enc_features | NETIF_F_GSO_ENCAP_ALL | + NETIF_F_GSO_UDP_L4; team->dev->hard_header_len = max_hard_header_len; team->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; @@ -1061,14 +1074,11 @@ static void team_port_leave(struct team *team, struct team_port *port) } #ifdef CONFIG_NET_POLL_CONTROLLER -static int team_port_enable_netpoll(struct team *team, struct team_port *port) +static int __team_port_enable_netpoll(struct team_port *port) { struct netpoll *np; int err; - if (!team->dev->npinfo) - return 0; - np = kzalloc(sizeof(*np), GFP_KERNEL); if (!np) return -ENOMEM; @@ -1082,6 +1092,14 @@ static int team_port_enable_netpoll(struct team *team, struct team_port *port) return err; } +static int team_port_enable_netpoll(struct team_port *port) +{ + if (!port->team->dev->npinfo) + return 0; + + return __team_port_enable_netpoll(port); +} + static void team_port_disable_netpoll(struct team_port *port) { struct netpoll *np = port->np; @@ -1096,7 +1114,7 @@ static void team_port_disable_netpoll(struct team_port *port) kfree(np); } #else -static int team_port_enable_netpoll(struct team *team, struct team_port *port) +static int team_port_enable_netpoll(struct team_port *port) { return 0; } @@ -1112,6 +1130,7 @@ static int team_upper_dev_link(struct team *team, struct team_port *port, int err; lag_upper_info.tx_type = team->mode->lag_tx_type; + lag_upper_info.hash_type = NETDEV_LAG_HASH_UNKNOWN; err = netdev_master_upper_dev_link(port->dev, team->dev, NULL, &lag_upper_info, extack); if (err) @@ -1210,7 +1229,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev, goto err_vids_add; } - err = team_port_enable_netpoll(team, port); + err = team_port_enable_netpoll(port); if (err) { netdev_err(dev, "Failed to enable netpoll on device %s\n", portname); @@ -1907,7 +1926,7 @@ static int team_netpoll_setup(struct net_device *dev, mutex_lock(&team->lock); list_for_each_entry(port, &team->port_list, list) { - err = team_port_enable_netpoll(team, port); + err = __team_port_enable_netpoll(port); if (err) { __team_netpoll_cleanup(team); break; @@ -2101,7 +2120,7 @@ static void team_setup(struct net_device *dev) NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; - dev->hw_features |= NETIF_F_GSO_ENCAP_ALL; + dev->hw_features |= NETIF_F_GSO_ENCAP_ALL | NETIF_F_GSO_UDP_L4; dev->features |= dev->hw_features; } @@ -2408,7 +2427,6 @@ send_done: nla_put_failure: err = -EMSGSIZE; errout: - genlmsg_cancel(skb, hdr); nlmsg_free(skb); return err; } @@ -2568,6 +2586,14 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) if (err) goto team_put; opt_inst->changed = true; + + /* dumb/evil user-space can send us duplicate opt, + * keep only the last one + */ + if (__team_option_inst_tmp_find(&opt_inst_list, + opt_inst)) + continue; + list_add(&opt_inst->tmp_list, &opt_inst_list); } if (!opt_found) { @@ -2694,7 +2720,6 @@ send_done: nla_put_failure: err = -EMSGSIZE; errout: - genlmsg_cancel(skb, hdr); nlmsg_free(skb); return err; } @@ -2918,7 +2943,7 @@ static int team_device_event(struct notifier_block *unused, case NETDEV_CHANGE: if (netif_running(port->dev)) team_port_change_check(port, - !!netif_carrier_ok(port->dev)); + !!netif_oper_up(port->dev)); break; case NETDEV_UNREGISTER: team_del_slave(port->team->dev, dev); |