X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=system-linux.c;h=2a281cc41e37ff4bd331f17bbcfa7288695a1441;hb=b8e21616bcb422dac93ba6a3e5f4b4e78b4b30db;hp=8f612c99638530fca734356efd750c7a8ab317d0;hpb=65cab45660dd0b234b663a39a133c64271f667b7;p=project%2Fnetifd.git diff --git a/system-linux.c b/system-linux.c index 8f612c9..2a281cc 100644 --- a/system-linux.c +++ b/system-linux.c @@ -452,15 +452,27 @@ static char *system_get_bridge(const char *name, char *buf, int buflen) return path + 1; } +static void system_bridge_set_wireless(const char *bridge, const char *dev) +{ + snprintf(dev_buf, sizeof(dev_buf), + "/sys/devices/virtual/net/%s/brif/%s/multicast_to_unicast", + bridge, dev); + system_set_sysctl(dev_buf, "1"); +} + int system_bridge_addif(struct device *bridge, struct device *dev) { char *oldbr; + int ret = 0; oldbr = system_get_bridge(dev->ifname, dev_buf, sizeof(dev_buf)); - if (oldbr && !strcmp(oldbr, bridge->ifname)) - return 0; + if (!oldbr || strcmp(oldbr, bridge->ifname) != 0) + ret = system_bridge_if(bridge->ifname, dev, SIOCBRADDIF, NULL); - return system_bridge_if(bridge->ifname, dev, SIOCBRADDIF, NULL); + if (dev->wireless) + system_bridge_set_wireless(bridge->ifname, dev->ifname); + + return ret; } int system_bridge_delif(struct device *bridge, struct device *dev) @@ -702,6 +714,9 @@ int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg) system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_snooping", bridge->ifname, cfg->igmp_snoop ? "1" : "0"); + system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_querier", + bridge->ifname, cfg->igmp_snoop ? "1" : "0"); + args[0] = BRCTL_SET_BRIDGE_PRIORITY; args[1] = cfg->priority; system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args); @@ -791,7 +806,7 @@ nla_put_failure: return -ENOMEM; } -static int system_link_del(struct device *dev) +static int system_link_del(const char *ifname) { struct nl_msg *msg; struct ifinfomsg iim = { @@ -805,13 +820,13 @@ static int system_link_del(struct device *dev) return -1; nlmsg_append(msg, &iim, sizeof(iim), 0); - nla_put_string(msg, IFLA_IFNAME, dev->ifname); + nla_put_string(msg, IFLA_IFNAME, ifname); return system_rtnl_call(msg); } int system_macvlan_del(struct device *macvlan) { - return system_link_del(macvlan); + return system_link_del(macvlan->ifname); } static int system_vlan(struct device *dev, int id) @@ -897,7 +912,7 @@ nla_put_failure: int system_vlandev_del(struct device *vlandev) { - return system_link_del(vlandev); + return system_link_del(vlandev->ifname); } static void @@ -1464,14 +1479,15 @@ bool system_resolve_rt_table(const char *name, unsigned int *id) if (table == RT_TABLE_UNSPEC) return false; - /* do not consider main table special */ - if (table == RT_TABLE_MAIN) - table = RT_TABLE_UNSPEC; - *id = table; return true; } +bool system_is_default_rt_table(unsigned int id) +{ + return (id == RT_TABLE_MAIN); +} + static int system_iprule(struct iprule *rule, int cmd) { int alen = ((rule->flags & IPRULE_FAMILY) == IPRULE_INET4) ? 4 : 16; @@ -1638,9 +1654,175 @@ static int tunnel_ioctl(const char *name, int cmd, void *p) return ioctl(sock_ioctl, cmd, &ifr); } -int system_del_ip_tunnel(const char *name) +#ifdef IFLA_IPTUN_MAX +static int system_add_gre_tunnel(const char *name, const char *kind, + const unsigned int link, struct blob_attr **tb, bool v6) +{ + struct nl_msg *nlm; + struct ifinfomsg ifi = { .ifi_family = AF_UNSPEC, }; + struct blob_attr *cur; + uint32_t ikey = 0, okey = 0; + uint16_t iflags = 0, oflags = 0; + int ret = 0, ttl = 64; + + nlm = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_REPLACE | NLM_F_CREATE); + if (!nlm) + return -1; + + nlmsg_append(nlm, &ifi, sizeof(ifi), 0); + nla_put_string(nlm, IFLA_IFNAME, name); + + struct nlattr *linkinfo = nla_nest_start(nlm, IFLA_LINKINFO); + if (!linkinfo) { + ret = -ENOMEM; + goto failure; + } + + nla_put_string(nlm, IFLA_INFO_KIND, kind); + struct nlattr *infodata = nla_nest_start(nlm, IFLA_INFO_DATA); + if (!infodata) { + ret = -ENOMEM; + goto failure; + } + + if (link) + nla_put_u32(nlm, IFLA_GRE_LINK, link); + + if ((cur = tb[TUNNEL_ATTR_TTL])) + ttl = blobmsg_get_u32(cur); + + nla_put_u8(nlm, IFLA_GRE_TTL, ttl); + + if ((cur = tb[TUNNEL_ATTR_INFO]) && (blobmsg_type(cur) == BLOBMSG_TYPE_STRING)) { + uint8_t icsum, ocsum, iseqno, oseqno; + if (sscanf(blobmsg_get_string(cur), "%u,%u,%hhu,%hhu,%hhu,%hhu", + &ikey, &okey, &icsum, &ocsum, &iseqno, &oseqno) < 6) { + ret = -EINVAL; + goto failure; + } + + if (ikey) + iflags |= GRE_KEY; + + if (okey) + oflags |= GRE_KEY; + + if (icsum) + iflags |= GRE_CSUM; + + if (ocsum) + oflags |= GRE_CSUM; + + if (iseqno) + iflags |= GRE_SEQ; + + if (oseqno) + oflags |= GRE_SEQ; + } + + if (v6) { + struct in6_addr in6buf; + if ((cur = tb[TUNNEL_ATTR_LOCAL])) { + if (inet_pton(AF_INET6, blobmsg_data(cur), &in6buf) < 1) { + ret = -EINVAL; + goto failure; + } + nla_put(nlm, IFLA_GRE_LOCAL, sizeof(in6buf), &in6buf); + } + + if ((cur = tb[TUNNEL_ATTR_REMOTE])) { + if (inet_pton(AF_INET6, blobmsg_data(cur), &in6buf) < 1) { + ret = -EINVAL; + goto failure; + } + nla_put(nlm, IFLA_GRE_REMOTE, sizeof(in6buf), &in6buf); + } + nla_put_u8(nlm, IFLA_GRE_ENCAP_LIMIT, 4); + } else { + struct in_addr inbuf; + bool set_df = true; + + if ((cur = tb[TUNNEL_ATTR_LOCAL])) { + if (inet_pton(AF_INET, blobmsg_data(cur), &inbuf) < 1) { + ret = -EINVAL; + goto failure; + } + nla_put(nlm, IFLA_GRE_LOCAL, sizeof(inbuf), &inbuf); + } + + if ((cur = tb[TUNNEL_ATTR_REMOTE])) { + if (inet_pton(AF_INET, blobmsg_data(cur), &inbuf) < 1) { + ret = -EINVAL; + goto failure; + } + nla_put(nlm, IFLA_GRE_REMOTE, sizeof(inbuf), &inbuf); + + if (IN_MULTICAST(ntohl(inbuf.s_addr))) { + if (!okey) { + okey = inbuf.s_addr; + oflags |= GRE_KEY; + } + + if (!ikey) { + ikey = inbuf.s_addr; + iflags |= GRE_KEY; + } + } + } + + if ((cur = tb[TUNNEL_ATTR_DF])) + set_df = blobmsg_get_bool(cur); + + nla_put_u8(nlm, IFLA_GRE_PMTUDISC, set_df ? 1 : 0); + } + + if (oflags) + nla_put_u16(nlm, IFLA_GRE_OFLAGS, oflags); + + if (iflags) + nla_put_u16(nlm, IFLA_GRE_IFLAGS, iflags); + + if (okey) + nla_put_u32(nlm, IFLA_GRE_OKEY, okey); + + if (ikey) + nla_put_u32(nlm, IFLA_GRE_IKEY, ikey); + + nla_nest_end(nlm, infodata); + nla_nest_end(nlm, linkinfo); + + return system_rtnl_call(nlm); + +failure: + nlmsg_free(nlm); + return ret; +} +#endif + +static int __system_del_ip_tunnel(const char *name, struct blob_attr **tb) { - return tunnel_ioctl(name, SIOCDELTUNNEL, NULL); + struct blob_attr *cur; + const char *str; + + if (!(cur = tb[TUNNEL_ATTR_TYPE])) + return -EINVAL; + str = blobmsg_data(cur); + + if (!strcmp(str, "greip") || !strcmp(str, "gretapip") || + !strcmp(str, "greip6") || !strcmp(str, "gretapip6")) + return system_link_del(name); + else + return tunnel_ioctl(name, SIOCDELTUNNEL, NULL); +} + +int system_del_ip_tunnel(const char *name, struct blob_attr *attr) +{ + struct blob_attr *tb[__TUNNEL_ATTR_MAX]; + + blobmsg_parse(tunnel_attr_list.params, __TUNNEL_ATTR_MAX, tb, + blob_data(attr), blob_len(attr)); + + return __system_del_ip_tunnel(name, tb); } int system_update_ipv6_mtu(struct device *dev, int mtu) @@ -1677,11 +1859,11 @@ int system_add_ip_tunnel(const char *name, struct blob_attr *attr) bool set_df = true; const char *str; - system_del_ip_tunnel(name); - blobmsg_parse(tunnel_attr_list.params, __TUNNEL_ATTR_MAX, tb, blob_data(attr), blob_len(attr)); + __system_del_ip_tunnel(name, tb); + if (!(cur = tb[TUNNEL_ATTR_TYPE])) return -EINVAL; str = blobmsg_data(cur); @@ -1750,11 +1932,12 @@ int system_add_ip_tunnel(const char *name, struct blob_attr *attr) } if (tunnel_ioctl(name, SIOCADD6RD, &p6) < 0) { - system_del_ip_tunnel(name); + __system_del_ip_tunnel(name, tb); return -1; } } #endif +#ifdef IFLA_IPTUN_MAX } else if (!strcmp(str, "ipip6")) { struct nl_msg *nlm = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_REPLACE | NLM_F_CREATE); @@ -1857,6 +2040,15 @@ int system_add_ip_tunnel(const char *name, struct blob_attr *attr) failure: nlmsg_free(nlm); return ret; + } else if (!strcmp(str, "greip")) { + return system_add_gre_tunnel(name, "gre", link, tb, false); + } else if (!strcmp(str, "gretapip")) { + return system_add_gre_tunnel(name, "gretap", link, tb, false); + } else if (!strcmp(str, "greip6")) { + return system_add_gre_tunnel(name, "ip6gre", link, tb, true); + } else if (!strcmp(str, "gretapip6")) { + return system_add_gre_tunnel(name, "ip6gretap", link, tb, true); +#endif } else return -EINVAL;