diff options
Diffstat (limited to 'net/openvswitch')
-rw-r--r-- | net/openvswitch/conntrack.c | 4 | ||||
-rw-r--r-- | net/openvswitch/datapath.c | 85 | ||||
-rw-r--r-- | net/openvswitch/datapath.h | 2 | ||||
-rw-r--r-- | net/openvswitch/flow_netlink.c | 4 | ||||
-rw-r--r-- | net/openvswitch/vport-internal_dev.c | 4 | ||||
-rw-r--r-- | net/openvswitch/vport-vxlan.c | 4 |
6 files changed, 70 insertions, 33 deletions
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index bf602e33c40a..08679ebb3068 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -1123,7 +1123,7 @@ static int ovs_ct_add_helper(struct ovs_conntrack_info *info, const char *name, help = nf_ct_helper_ext_add(info->ct, helper, GFP_KERNEL); if (!help) { - module_put(helper->me); + nf_conntrack_helper_put(helper); return -ENOMEM; } @@ -1584,7 +1584,7 @@ void ovs_ct_free_action(const struct nlattr *a) static void __ovs_ct_free_action(struct ovs_conntrack_info *ct_info) { if (ct_info->helper) - module_put(ct_info->helper->me); + nf_conntrack_helper_put(ct_info->helper); if (ct_info->ct) nf_ct_tmpl_free(ct_info->ct); } diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 7b17da9a94a0..45fe8c8a884d 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -413,7 +413,7 @@ static void pad_packet(struct datapath *dp, struct sk_buff *skb) size_t plen = NLA_ALIGN(skb->len) - skb->len; if (plen > 0) - memset(skb_put(skb, plen), 0, plen); + skb_put_zero(skb, plen); } } @@ -453,7 +453,7 @@ static int queue_userspace_packet(struct datapath *dp, struct sk_buff *skb, /* Complete checksum if needed */ if (skb->ip_summed == CHECKSUM_PARTIAL && - (err = skb_checksum_help(skb))) + (err = skb_csum_hwoffload_help(skb, 0))) goto out; /* Older versions of OVS user space enforce alignment of the last @@ -1090,6 +1090,58 @@ static struct sw_flow_actions *get_flow_actions(struct net *net, return acts; } +/* Factor out match-init and action-copy to avoid + * "Wframe-larger-than=1024" warning. Because mask is only + * used to get actions, we new a function to save some + * stack space. + * + * If there are not key and action attrs, we return 0 + * directly. In the case, the caller will also not use the + * match as before. If there is action attr, we try to get + * actions and save them to *acts. Before returning from + * the function, we reset the match->mask pointer. Because + * we should not to return match object with dangling reference + * to mask. + * */ +static int ovs_nla_init_match_and_action(struct net *net, + struct sw_flow_match *match, + struct sw_flow_key *key, + struct nlattr **a, + struct sw_flow_actions **acts, + bool log) +{ + struct sw_flow_mask mask; + int error = 0; + + if (a[OVS_FLOW_ATTR_KEY]) { + ovs_match_init(match, key, true, &mask); + error = ovs_nla_get_match(net, match, a[OVS_FLOW_ATTR_KEY], + a[OVS_FLOW_ATTR_MASK], log); + if (error) + goto error; + } + + if (a[OVS_FLOW_ATTR_ACTIONS]) { + if (!a[OVS_FLOW_ATTR_KEY]) { + OVS_NLERR(log, + "Flow key attribute not present in set flow."); + return -EINVAL; + } + + *acts = get_flow_actions(net, a[OVS_FLOW_ATTR_ACTIONS], key, + &mask, log); + if (IS_ERR(*acts)) { + error = PTR_ERR(*acts); + goto error; + } + } + + /* On success, error is 0. */ +error: + match->mask = NULL; + return error; +} + static int ovs_flow_cmd_set(struct sk_buff *skb, struct genl_info *info) { struct net *net = sock_net(skb->sk); @@ -1097,7 +1149,6 @@ static int ovs_flow_cmd_set(struct sk_buff *skb, struct genl_info *info) struct ovs_header *ovs_header = info->userhdr; struct sw_flow_key key; struct sw_flow *flow; - struct sw_flow_mask mask; struct sk_buff *reply = NULL; struct datapath *dp; struct sw_flow_actions *old_acts = NULL, *acts = NULL; @@ -1109,34 +1160,18 @@ static int ovs_flow_cmd_set(struct sk_buff *skb, struct genl_info *info) bool ufid_present; ufid_present = ovs_nla_get_ufid(&sfid, a[OVS_FLOW_ATTR_UFID], log); - if (a[OVS_FLOW_ATTR_KEY]) { - ovs_match_init(&match, &key, true, &mask); - error = ovs_nla_get_match(net, &match, a[OVS_FLOW_ATTR_KEY], - a[OVS_FLOW_ATTR_MASK], log); - } else if (!ufid_present) { + if (!a[OVS_FLOW_ATTR_KEY] && !ufid_present) { OVS_NLERR(log, "Flow set message rejected, Key attribute missing."); - error = -EINVAL; + return -EINVAL; } + + error = ovs_nla_init_match_and_action(net, &match, &key, a, + &acts, log); if (error) goto error; - /* Validate actions. */ - if (a[OVS_FLOW_ATTR_ACTIONS]) { - if (!a[OVS_FLOW_ATTR_KEY]) { - OVS_NLERR(log, - "Flow key attribute not present in set flow."); - error = -EINVAL; - goto error; - } - - acts = get_flow_actions(net, a[OVS_FLOW_ATTR_ACTIONS], &key, - &mask, log); - if (IS_ERR(acts)) { - error = PTR_ERR(acts); - goto error; - } - + if (acts) { /* Can allocate before locking if have acts. */ reply = ovs_flow_cmd_alloc_info(acts, &sfid, info, false, ufid_flags); diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h index da931bdef8a7..5d8dcd88815f 100644 --- a/net/openvswitch/datapath.h +++ b/net/openvswitch/datapath.h @@ -98,8 +98,8 @@ struct datapath { * @input_vport: The original vport packet came in on. This value is cached * when a packet is received by OVS. * @mru: The maximum received fragement size; 0 if the packet is not - * @cutlen: The number of bytes from the packet end to be removed. * fragmented. + * @cutlen: The number of bytes from the packet end to be removed. */ struct ovs_skb_cb { struct vport *input_vport; diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c index 7e1d8a2afa63..f07d10ac35d8 100644 --- a/net/openvswitch/flow_netlink.c +++ b/net/openvswitch/flow_netlink.c @@ -2202,7 +2202,9 @@ static int validate_and_copy_set_tun(const struct nlattr *attr, if (start < 0) return start; - tun_dst = metadata_dst_alloc(key.tun_opts_len, GFP_KERNEL); + tun_dst = metadata_dst_alloc(key.tun_opts_len, METADATA_IP_TUNNEL, + GFP_KERNEL); + if (!tun_dst) return -ENOMEM; diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c index 89193a634da4..04a3128adcf0 100644 --- a/net/openvswitch/vport-internal_dev.c +++ b/net/openvswitch/vport-internal_dev.c @@ -94,7 +94,6 @@ static void internal_dev_destructor(struct net_device *dev) struct vport *vport = ovs_internal_dev_get_vport(dev); ovs_vport_free(vport); - free_netdev(dev); } static void @@ -156,7 +155,8 @@ static void do_setup(struct net_device *netdev) netdev->priv_flags &= ~IFF_TX_SKB_SHARING; netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_OPENVSWITCH | IFF_PHONY_HEADROOM | IFF_NO_QUEUE; - netdev->destructor = internal_dev_destructor; + netdev->needs_free_netdev = true; + netdev->priv_destructor = internal_dev_destructor; netdev->ethtool_ops = &internal_dev_ethtool_ops; netdev->rtnl_link_ops = &internal_dev_link_ops; diff --git a/net/openvswitch/vport-vxlan.c b/net/openvswitch/vport-vxlan.c index 869acb3b3d3f..7e6301b2ec4d 100644 --- a/net/openvswitch/vport-vxlan.c +++ b/net/openvswitch/vport-vxlan.c @@ -40,14 +40,14 @@ static int vxlan_get_options(const struct vport *vport, struct sk_buff *skb) if (nla_put_u16(skb, OVS_TUNNEL_ATTR_DST_PORT, ntohs(dst_port))) return -EMSGSIZE; - if (vxlan->flags & VXLAN_F_GBP) { + if (vxlan->cfg.flags & VXLAN_F_GBP) { struct nlattr *exts; exts = nla_nest_start(skb, OVS_TUNNEL_ATTR_EXTENSION); if (!exts) return -EMSGSIZE; - if (vxlan->flags & VXLAN_F_GBP && + if (vxlan->cfg.flags & VXLAN_F_GBP && nla_put_flag(skb, OVS_VXLAN_EXT_GBP)) return -EMSGSIZE; |