X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=system-linux.c;h=2f15bf1dbab92411087884a80c7b544948cf8a39;hp=909ba0fec65399f28df1c55eedef6ada80e49d90;hb=abf52371db75eb449f12209ca1b7ffaa9d2baa22;hpb=8ce9331fcc9cc63e71d1d57321f335359797b981 diff --git a/system-linux.c b/system-linux.c index 909ba0f..2f15bf1 100644 --- a/system-linux.c +++ b/system-linux.c @@ -44,10 +44,6 @@ #define RTN_FAILED_POLICY 12 #endif -#ifndef RT_TABLE_PRELOCAL -#define RT_TABLE_PRELOCAL 128 -#endif - #ifndef IFA_F_NOPREFIXROUTE #define IFA_F_NOPREFIXROUTE 0x200 #endif @@ -310,6 +306,16 @@ static void system_set_neigh6reachabletime(struct device *dev, const char *val) system_set_dev_sysctl("/proc/sys/net/ipv6/neigh/%s/base_reachable_time_ms", dev->ifname, val); } +static void system_set_neigh4gcstaletime(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/proc/sys/net/ipv4/neigh/%s/gc_stale_time", dev->ifname, val); +} + +static void system_set_neigh6gcstaletime(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/proc/sys/net/ipv6/neigh/%s/gc_stale_time", dev->ifname, val); +} + static void system_set_dadtransmits(struct device *dev, const char *val) { system_set_dev_sysctl("/proc/sys/net/ipv6/conf/%s/dad_transmits", dev->ifname, val); @@ -320,6 +326,11 @@ static void system_bridge_set_multicast_to_unicast(struct device *dev, const cha system_set_dev_sysctl("/sys/class/net/%s/brport/multicast_to_unicast", dev->ifname, val); } +static void system_bridge_set_multicast_fast_leave(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/sys/class/net/%s/brport/multicast_fast_leave", dev->ifname, val); +} + static void system_bridge_set_hairpin_mode(struct device *dev, const char *val) { system_set_dev_sysctl("/sys/class/net/%s/brport/hairpin_mode", dev->ifname, val); @@ -332,6 +343,65 @@ static void system_bridge_set_multicast_router(struct device *dev, const char *v dev->ifname, val); } +static void system_bridge_set_robustness(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_startup_query_count", + dev->ifname, val); + system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_last_member_count", + dev->ifname, val); +} + +static void system_bridge_set_query_interval(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_query_interval", + dev->ifname, val); +} + +static void system_bridge_set_query_response_interval(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_query_response_interval", + dev->ifname, val); +} + +static void system_bridge_set_last_member_interval(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_last_member_interval", + dev->ifname, val); +} + +static void system_bridge_set_membership_interval(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_membership_interval", + dev->ifname, val); +} + +static void system_bridge_set_other_querier_timeout(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_querier_interval", + dev->ifname, val); +} + +static void system_bridge_set_startup_query_interval(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/multicast_startup_query_interval", + dev->ifname, val); +} + +static void system_bridge_set_learning(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/sys/class/net/%s/brport/learning", dev->ifname, val); +} + +static void system_bridge_set_unicast_flood(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/sys/class/net/%s/brport/unicast_flood", dev->ifname, val); +} + +static void system_set_sendredirects(struct device *dev, const char *val) +{ + system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/send_redirects", dev->ifname, val); +} + static int system_get_sysctl(const char *path, char *buf, const size_t buf_sz) { int fd = -1, ret = -1; @@ -402,12 +472,30 @@ static int system_get_neigh6reachabletime(struct device *dev, char *buf, const s dev->ifname, buf, buf_sz); } +static int system_get_neigh4gcstaletime(struct device *dev, char *buf, const size_t buf_sz) +{ + return system_get_dev_sysctl("/proc/sys/net/ipv4/neigh/%s/gc_stale_time", + dev->ifname, buf, buf_sz); +} + +static int system_get_neigh6gcstaletime(struct device *dev, char *buf, const size_t buf_sz) +{ + return system_get_dev_sysctl("/proc/sys/net/ipv6/neigh/%s/gc_stale_time", + dev->ifname, buf, buf_sz); +} + static int system_get_dadtransmits(struct device *dev, char *buf, const size_t buf_sz) { return system_get_dev_sysctl("/proc/sys/net/ipv6/conf/%s/dad_transmits", dev->ifname, buf, buf_sz); } +static int system_get_sendredirects(struct device *dev, char *buf, const size_t buf_sz) +{ + return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/send_redirects", + dev->ifname, buf, buf_sz); +} + // Evaluate netlink messages static int cb_rtnl_event(struct nl_msg *msg, void *arg) { @@ -423,7 +511,7 @@ static int cb_rtnl_event(struct nl_msg *msg, void *arg) if (!nla[IFLA_IFNAME]) goto out; - struct device *dev = device_get(nla_data(nla[IFLA_IFNAME]), false); + struct device *dev = device_find(nla_data(nla[IFLA_IFNAME])); if (!dev) goto out; @@ -476,7 +564,7 @@ handle_hotplug_msg(char *data, int size) return; found: - dev = device_get(interface, false); + dev = device_find(interface); if (!dev) return; @@ -608,6 +696,18 @@ int system_bridge_addif(struct device *bridge, struct device *dev) system_bridge_set_multicast_router(dev, buf, false); } + if (dev->settings.flags & DEV_OPT_MULTICAST_FAST_LEAVE && + dev->settings.multicast_fast_leave) + system_bridge_set_multicast_fast_leave(dev, "1"); + + if (dev->settings.flags & DEV_OPT_LEARNING && + !dev->settings.learning) + system_bridge_set_learning(dev, "0"); + + if (dev->settings.flags & DEV_OPT_UNICAST_FLOOD && + !dev->settings.unicast_flood) + system_bridge_set_unicast_flood(dev, "0"); + return ret; } @@ -832,37 +932,98 @@ sec_to_jiffies(int val) return (unsigned long) val * 100; } -int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg) +static void system_bridge_conf_multicast_deps(struct device *bridge, + struct bridge_config *cfg, + char *buf, + int buf_len) { - char buf[64]; - unsigned long args[4] = {}; + int val; - if (ioctl(sock_ioctl, SIOCBRADDBR, bridge->ifname) < 0) - return -1; + if (cfg->flags & BRIDGE_OPT_ROBUSTNESS || + cfg->flags & BRIDGE_OPT_QUERY_INTERVAL || + cfg->flags & BRIDGE_OPT_QUERY_RESPONSE_INTERVAL) { + val = cfg->robustness * cfg->query_interval + + cfg->query_response_interval; - args[0] = BRCTL_SET_BRIDGE_STP_STATE; - args[1] = !!cfg->stp; - system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args); + snprintf(buf, buf_len, "%i", val); + system_bridge_set_membership_interval(bridge, buf); - args[0] = BRCTL_SET_BRIDGE_FORWARD_DELAY; - args[1] = sec_to_jiffies(cfg->forward_delay); - system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args); + val = cfg->robustness * cfg->query_interval + + cfg->query_response_interval / 2; + + snprintf(buf, buf_len, "%i", val); + system_bridge_set_other_querier_timeout(bridge, buf); + } + if (cfg->flags & BRIDGE_OPT_QUERY_INTERVAL) { + val = cfg->query_interval / 4; + + snprintf(buf, buf_len, "%i", val); + system_bridge_set_startup_query_interval(bridge, buf); + } +} + +static void system_bridge_conf_multicast(struct device *bridge, + struct bridge_config *cfg, + char *buf, + int buf_len) +{ 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->multicast_querier ? "1" : "0"); - snprintf(buf, sizeof(buf), "%i", cfg->hash_max); + snprintf(buf, buf_len, "%i", cfg->hash_max); system_set_dev_sysctl("/sys/devices/virtual/net/%s/bridge/hash_max", bridge->ifname, buf); if (bridge->settings.flags & DEV_OPT_MULTICAST_ROUTER) { - snprintf(buf, sizeof(buf), "%i", bridge->settings.multicast_router); + snprintf(buf, buf_len, "%i", bridge->settings.multicast_router); system_bridge_set_multicast_router(bridge, buf, true); } + if (cfg->flags & BRIDGE_OPT_ROBUSTNESS) { + snprintf(buf, buf_len, "%i", cfg->robustness); + system_bridge_set_robustness(bridge, buf); + } + + if (cfg->flags & BRIDGE_OPT_QUERY_INTERVAL) { + snprintf(buf, buf_len, "%i", cfg->query_interval); + system_bridge_set_query_interval(bridge, buf); + } + + if (cfg->flags & BRIDGE_OPT_QUERY_RESPONSE_INTERVAL) { + snprintf(buf, buf_len, "%i", cfg->query_response_interval); + system_bridge_set_query_response_interval(bridge, buf); + } + + if (cfg->flags & BRIDGE_OPT_LAST_MEMBER_INTERVAL) { + snprintf(buf, buf_len, "%i", cfg->last_member_interval); + system_bridge_set_last_member_interval(bridge, buf); + } + + system_bridge_conf_multicast_deps(bridge, cfg, buf, buf_len); +} + +int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg) +{ + char buf[64]; + unsigned long args[4] = {}; + + if (ioctl(sock_ioctl, SIOCBRADDBR, bridge->ifname) < 0) + return -1; + + args[0] = BRCTL_SET_BRIDGE_STP_STATE; + args[1] = !!cfg->stp; + system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args); + + args[0] = BRCTL_SET_BRIDGE_FORWARD_DELAY; + args[1] = sec_to_jiffies(cfg->forward_delay); + system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args); + + system_bridge_conf_multicast(bridge, cfg, buf, sizeof(buf)); + args[0] = BRCTL_SET_BRIDGE_PRIORITY; args[1] = cfg->priority; system_bridge_if(bridge->ifname, NULL, SIOCDEVPRIVATE, &args); @@ -1089,6 +1250,9 @@ system_if_get_settings(struct device *dev, struct device_settings *s) if (ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr) == 0) { s->promisc = ifr.ifr_flags & IFF_PROMISC; s->flags |= DEV_OPT_PROMISC; + + s->multicast = ifr.ifr_flags & IFF_MULTICAST; + s->flags |= DEV_OPT_MULTICAST; } if (!system_get_rpfilter(dev, buf, sizeof(buf))) { @@ -1121,10 +1285,25 @@ system_if_get_settings(struct device *dev, struct device_settings *s) s->flags |= DEV_OPT_NEIGHREACHABLETIME; } + if (!system_get_neigh4gcstaletime(dev, buf, sizeof(buf))) { + s->neigh4gcstaletime = strtoul(buf, NULL, 0); + s->flags |= DEV_OPT_NEIGHGCSTALETIME; + } + + if (!system_get_neigh6gcstaletime(dev, buf, sizeof(buf))) { + s->neigh6gcstaletime = strtoul(buf, NULL, 0); + s->flags |= DEV_OPT_NEIGHGCSTALETIME; + } + if (!system_get_dadtransmits(dev, buf, sizeof(buf))) { s->dadtransmits = strtoul(buf, NULL, 0); s->flags |= DEV_OPT_DADTRANSMITS; } + + if (!system_get_sendredirects(dev, buf, sizeof(buf))) { + s->sendredirects = strtoul(buf, NULL, 0); + s->flags |= DEV_OPT_SENDREDIRECTS; + } } static void @@ -1140,6 +1319,8 @@ system_if_set_rps_xps_val(const char *path, int val) snprintf(val_buf, sizeof(val_buf), "%x", val); for (i = 0; i < gl.gl_pathc; i++) system_set_sysctl(gl.gl_pathv[i], val_buf); + + globfree(&gl); } static void @@ -1213,10 +1394,23 @@ system_if_apply_settings(struct device *dev, struct device_settings *s, unsigned snprintf(buf, sizeof(buf), "%d", s->neigh6reachabletime); system_set_neigh6reachabletime(dev, buf); } + if (s->flags & DEV_OPT_NEIGHGCSTALETIME & apply_mask) { + snprintf(buf, sizeof(buf), "%d", s->neigh4gcstaletime); + system_set_neigh4gcstaletime(dev, buf); + snprintf(buf, sizeof(buf), "%d", s->neigh6gcstaletime); + system_set_neigh6gcstaletime(dev, buf); + } if (s->flags & DEV_OPT_DADTRANSMITS & apply_mask) { snprintf(buf, sizeof(buf), "%d", s->dadtransmits); system_set_dadtransmits(dev, buf); } + if (s->flags & DEV_OPT_MULTICAST & apply_mask) { + if (system_if_flags(dev->ifname, s->multicast ? IFF_MULTICAST : 0, + !s->multicast ? IFF_MULTICAST : 0) < 0) + s->flags &= ~DEV_OPT_MULTICAST; + } + if (s->flags & DEV_OPT_SENDREDIRECTS & apply_mask) + system_set_sendredirects(dev, s->sendredirects ? "1" : "0"); system_if_apply_rps_xps(dev, s); } @@ -1723,8 +1917,6 @@ bool system_resolve_rt_table(const char *name, unsigned int *id) table = RT_TABLE_MAIN; else if (!strcmp(name, "local")) table = RT_TABLE_LOCAL; - else if (!strcmp(name, "prelocal")) - table = RT_TABLE_PRELOCAL; /* try to look up name in /etc/iproute2/rt_tables */ else if ((f = fopen("/etc/iproute2/rt_tables", "r")) != NULL) @@ -1884,10 +2076,6 @@ int system_flush_iprules(void) rule.flags = IPRULE_INET4 | IPRULE_PRIORITY | IPRULE_LOOKUP; rule.priority = 0; - rule.lookup = RT_TABLE_PRELOCAL; - rv |= system_iprule(&rule, RTM_NEWRULE); - - rule.priority = 1; rule.lookup = RT_TABLE_LOCAL; rv |= system_iprule(&rule, RTM_NEWRULE); @@ -1903,10 +2091,6 @@ int system_flush_iprules(void) rule.flags = IPRULE_INET6 | IPRULE_PRIORITY | IPRULE_LOOKUP; rule.priority = 0; - rule.lookup = RT_TABLE_PRELOCAL; - rv |= system_iprule(&rule, RTM_NEWRULE); - - rule.priority = 1; rule.lookup = RT_TABLE_LOCAL; rv |= system_iprule(&rule, RTM_NEWRULE); @@ -1961,7 +2145,7 @@ static int system_add_gre_tunnel(const char *name, const char *kind, uint32_t ikey = 0, okey = 0, flags = 0, flowinfo = 0; uint16_t iflags = 0, oflags = 0; uint8_t tos = 0; - int ret = 0, ttl = 64; + int ret = 0, ttl = 0; nlm = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_REPLACE | NLM_F_CREATE); if (!nlm) @@ -1989,8 +2173,6 @@ static int system_add_gre_tunnel(const char *name, const char *kind, if ((cur = tb[TUNNEL_ATTR_TTL])) ttl = blobmsg_get_u32(cur); - nla_put_u8(nlm, IFLA_GRE_TTL, ttl); - if ((cur = tb[TUNNEL_ATTR_TOS])) { char *str = blobmsg_get_string(cur); if (strcmp(str, "inherit")) { @@ -2064,6 +2246,9 @@ static int system_add_gre_tunnel(const char *name, const char *kind, if (flags) nla_put_u32(nlm, IFLA_GRE_FLAGS, flags); + + if (!ttl) + ttl = 64; } else { struct in_addr inbuf; bool set_df = true; @@ -2099,17 +2284,23 @@ static int system_add_gre_tunnel(const char *name, const char *kind, if ((cur = tb[TUNNEL_ATTR_DF])) set_df = blobmsg_get_bool(cur); - /* ttl !=0 and nopmtudisc are incompatible */ - if (ttl && !set_df) { - ret = -EINVAL; - goto failure; - } + if (!set_df) { + /* ttl != 0 and nopmtudisc are incompatible */ + if (ttl) { + ret = -EINVAL; + goto failure; + } + } else if (!ttl) + ttl = 64; nla_put_u8(nlm, IFLA_GRE_PMTUDISC, set_df ? 1 : 0); nla_put_u8(nlm, IFLA_GRE_TOS, tos); } + if (ttl) + nla_put_u8(nlm, IFLA_GRE_TTL, ttl); + if (oflags) nla_put_u16(nlm, IFLA_GRE_OFLAGS, oflags); @@ -2214,10 +2405,10 @@ static int system_add_vti_tunnel(const char *name, const char *kind, } if (okey) - nla_put_u32(nlm, IFLA_VTI_OKEY, okey); + nla_put_u32(nlm, IFLA_VTI_OKEY, htonl(okey)); if (ikey) - nla_put_u32(nlm, IFLA_VTI_IKEY, ikey); + nla_put_u32(nlm, IFLA_VTI_IKEY, htonl(ikey)); nla_nest_end(nlm, infodata); nla_nest_end(nlm, linkinfo); @@ -2319,10 +2510,14 @@ int system_update_ipv6_mtu(struct device *dev, int mtu) { int ret = -1; char buf[64]; + int fd; + snprintf(buf, sizeof(buf), "/proc/sys/net/ipv6/conf/%s/mtu", dev->ifname); - int fd = open(buf, O_RDWR); + fd = open(buf, O_RDWR); + if (fd < 0) + return ret; if (!mtu) { ssize_t len = read(fd, buf, sizeof(buf) - 1);