diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/vxlan/vxlan_core.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c index 91b7bb01fb10..293082c32a78 100644 --- a/drivers/net/vxlan/vxlan_core.c +++ b/drivers/net/vxlan/vxlan_core.c @@ -1129,19 +1129,25 @@ static void vxlan_fdb_dst_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f, static int vxlan_fdb_parse(struct nlattr *tb[], struct vxlan_dev *vxlan, union vxlan_addr *ip, __be16 *port, __be32 *src_vni, - __be32 *vni, u32 *ifindex, u32 *nhid) + __be32 *vni, u32 *ifindex, u32 *nhid, + struct netlink_ext_ack *extack) { struct net *net = dev_net(vxlan->dev); int err; if (tb[NDA_NH_ID] && (tb[NDA_DST] || tb[NDA_VNI] || tb[NDA_IFINDEX] || - tb[NDA_PORT])) - return -EINVAL; + tb[NDA_PORT])) { + NL_SET_ERR_MSG(extack, + "DST, VNI, ifindex and port are mutually exclusive with NH_ID"); + return -EINVAL; + } if (tb[NDA_DST]) { err = vxlan_nla_get_addr(ip, tb[NDA_DST]); - if (err) + if (err) { + NL_SET_ERR_MSG(extack, "Unsupported address family"); return err; + } } else { union vxlan_addr *remote = &vxlan->default_dst.remote_ip; @@ -1157,24 +1163,30 @@ static int vxlan_fdb_parse(struct nlattr *tb[], struct vxlan_dev *vxlan, } if (tb[NDA_PORT]) { - if (nla_len(tb[NDA_PORT]) != sizeof(__be16)) + if (nla_len(tb[NDA_PORT]) != sizeof(__be16)) { + NL_SET_ERR_MSG(extack, "Invalid vxlan port"); return -EINVAL; + } *port = nla_get_be16(tb[NDA_PORT]); } else { *port = vxlan->cfg.dst_port; } if (tb[NDA_VNI]) { - if (nla_len(tb[NDA_VNI]) != sizeof(u32)) + if (nla_len(tb[NDA_VNI]) != sizeof(u32)) { + NL_SET_ERR_MSG(extack, "Invalid vni"); return -EINVAL; + } *vni = cpu_to_be32(nla_get_u32(tb[NDA_VNI])); } else { *vni = vxlan->default_dst.remote_vni; } if (tb[NDA_SRC_VNI]) { - if (nla_len(tb[NDA_SRC_VNI]) != sizeof(u32)) + if (nla_len(tb[NDA_SRC_VNI]) != sizeof(u32)) { + NL_SET_ERR_MSG(extack, "Invalid src vni"); return -EINVAL; + } *src_vni = cpu_to_be32(nla_get_u32(tb[NDA_SRC_VNI])); } else { *src_vni = vxlan->default_dst.remote_vni; @@ -1183,12 +1195,16 @@ static int vxlan_fdb_parse(struct nlattr *tb[], struct vxlan_dev *vxlan, if (tb[NDA_IFINDEX]) { struct net_device *tdev; - if (nla_len(tb[NDA_IFINDEX]) != sizeof(u32)) + if (nla_len(tb[NDA_IFINDEX]) != sizeof(u32)) { + NL_SET_ERR_MSG(extack, "Invalid ifindex"); return -EINVAL; + } *ifindex = nla_get_u32(tb[NDA_IFINDEX]); tdev = __dev_get_by_index(net, *ifindex); - if (!tdev) + if (!tdev) { + NL_SET_ERR_MSG(extack, "Device not found"); return -EADDRNOTAVAIL; + } } else { *ifindex = 0; } @@ -1226,7 +1242,7 @@ static int vxlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], return -EINVAL; err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex, - &nhid); + &nhid, extack); if (err) return err; @@ -1292,7 +1308,7 @@ static int vxlan_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], int err; err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex, - &nhid); + &nhid, extack); if (err) return err; |