X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=blobdiff_plain;f=device.c;h=82596e4d46df63b486abccc23b95397bcc8f55ff;hp=092c2d9d314d48188bdf02da85169af166969e77;hb=5479d6f1eefd1e5a7258b9eedbf92214a95db819;hpb=7f5a597e21127ed30fb9dc579cf7defa46c7f3f2 diff --git a/device.c b/device.c index 092c2d9..82596e4 100644 --- a/device.c +++ b/device.c @@ -24,15 +24,20 @@ #include #endif +#include + #include "netifd.h" #include "system.h" #include "config.h" +static struct list_head devtypes = LIST_HEAD_INIT(devtypes); static struct avl_tree devices; +static bool default_ps = true; static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = { [DEV_ATTR_TYPE] = { .name = "type", .type = BLOBMSG_TYPE_STRING }, [DEV_ATTR_MTU] = { .name = "mtu", .type = BLOBMSG_TYPE_INT32 }, + [DEV_ATTR_MTU6] = { .name = "mtu6", .type = BLOBMSG_TYPE_INT32 }, [DEV_ATTR_MACADDR] = { .name = "macaddr", .type = BLOBMSG_TYPE_STRING }, [DEV_ATTR_TXQUEUELEN] = { .name = "txqueuelen", .type = BLOBMSG_TYPE_INT32 }, [DEV_ATTR_ENABLED] = { .name = "enabled", .type = BLOBMSG_TYPE_BOOL }, @@ -43,8 +48,16 @@ static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = { [DEV_ATTR_IGMPVERSION] = { .name = "igmpversion", .type = BLOBMSG_TYPE_INT32 }, [DEV_ATTR_MLDVERSION] = { .name = "mldversion", .type = BLOBMSG_TYPE_INT32 }, [DEV_ATTR_NEIGHREACHABLETIME] = { .name = "neighreachabletime", .type = BLOBMSG_TYPE_INT32 }, + [DEV_ATTR_NEIGHGCSTALETIME] = { .name = "neighgcstaletime", .type = BLOBMSG_TYPE_INT32 }, [DEV_ATTR_RPS] = { .name = "rps", .type = BLOBMSG_TYPE_BOOL }, [DEV_ATTR_XPS] = { .name = "xps", .type = BLOBMSG_TYPE_BOOL }, + [DEV_ATTR_DADTRANSMITS] = { .name = "dadtransmits", .type = BLOBMSG_TYPE_INT32 }, + [DEV_ATTR_MULTICAST_TO_UNICAST] = { .name = "multicast_to_unicast", .type = BLOBMSG_TYPE_BOOL }, + [DEV_ATTR_MULTICAST_ROUTER] = { .name = "multicast_router", .type = BLOBMSG_TYPE_INT32 }, + [DEV_ATTR_MULTICAST_FAST_LEAVE] = { .name = "multicast_fast_leave", . type = BLOBMSG_TYPE_BOOL }, + [DEV_ATTR_MULTICAST] = { .name ="multicast", .type = BLOBMSG_TYPE_BOOL }, + [DEV_ATTR_LEARNING] = { .name ="learning", .type = BLOBMSG_TYPE_BOOL }, + [DEV_ATTR_UNICAST_FLOOD] = { .name ="unicast_flood", .type = BLOBMSG_TYPE_BOOL }, }; const struct uci_blob_param_list device_attr_list = { @@ -54,6 +67,36 @@ const struct uci_blob_param_list device_attr_list = { static int __devlock = 0; +int device_type_add(struct device_type *devtype) +{ + if (device_type_get(devtype->name)) { + netifd_log_message(L_WARNING, "Device handler '%s' already exists\n", + devtype->name); + return 1; + } + + netifd_log_message(L_NOTICE, "Added device handler type: %s\n", + devtype->name); + + list_add(&devtype->list, &devtypes); + return 0; +} + +/* Retrieve the device type for the given name. If 'bridge' is true, the type + * must have bridge capabilities + */ +struct device_type * +device_type_get(const char *tname) +{ + struct device_type *cur; + + list_for_each_entry(cur, &devtypes, list) + if (!strcmp(cur->name, tname)) + return cur; + + return NULL; +} + void device_lock(void) { __devlock++; @@ -69,18 +112,14 @@ void device_unlock(void) static int set_device_state(struct device *dev, bool state) { if (state) { - /* Set ifindex for all devices being enabled so a valid */ + /* Get ifindex for all devices being enabled so a valid */ /* ifindex is in place avoiding possible race conditions */ device_set_ifindex(dev, system_if_resolve(dev)); if (!dev->ifindex) return -1; - } - - if (dev->external) - return 0; - if (state) system_if_up(dev); + } else system_if_down(dev); @@ -113,11 +152,15 @@ simple_device_set_state(struct device *dev, bool state) } static struct device * -simple_device_create(const char *name, struct blob_attr *attr) +simple_device_create(const char *name, struct device_type *devtype, + struct blob_attr *attr) { struct blob_attr *tb[__DEV_ATTR_MAX]; struct device *dev = NULL; + /* device type is unused for simple devices */ + devtype = NULL; + blobmsg_parse(dev_attrs, __DEV_ATTR_MAX, tb, blob_data(attr), blob_len(attr)); dev = device_get(name, true); if (!dev) @@ -136,7 +179,7 @@ static void simple_device_free(struct device *dev) free(dev); } -const struct device_type simple_device_type = { +struct device_type simple_device_type = { .name = "Network device", .config_params = &device_attr_list, @@ -153,6 +196,7 @@ device_merge_settings(struct device *dev, struct device_settings *n) memset(n, 0, sizeof(*n)); n->mtu = s->flags & DEV_OPT_MTU ? s->mtu : os->mtu; + n->mtu6 = s->flags & DEV_OPT_MTU6 ? s->mtu6 : os->mtu6; n->txqueuelen = s->flags & DEV_OPT_TXQUEUELEN ? s->txqueuelen : os->txqueuelen; memcpy(n->macaddr, @@ -167,8 +211,21 @@ device_merge_settings(struct device *dev, struct device_settings *n) n->neigh4reachabletime = s->flags & DEV_OPT_NEIGHREACHABLETIME ? s->neigh4reachabletime : os->neigh4reachabletime; n->neigh6reachabletime = s->flags & DEV_OPT_NEIGHREACHABLETIME ? - s->neigh6reachabletime : os->neigh6reachabletime; - n->flags = s->flags | os->flags; + s->neigh6reachabletime : os->neigh6reachabletime; + n->neigh4gcstaletime = s->flags & DEV_OPT_NEIGHGCSTALETIME ? + s->neigh4gcstaletime : os->neigh4gcstaletime; + n->neigh6gcstaletime = s->flags & DEV_OPT_NEIGHGCSTALETIME ? + s->neigh6gcstaletime : os->neigh6gcstaletime; + n->dadtransmits = s->flags & DEV_OPT_DADTRANSMITS ? + s->dadtransmits : os->dadtransmits; + n->multicast = s->flags & DEV_OPT_MULTICAST ? + s->multicast : os->multicast; + n->multicast_to_unicast = s->multicast_to_unicast; + n->multicast_router = s->multicast_router; + n->multicast_fast_leave = s->multicast_fast_leave; + n->learning = s->learning; + n->unicast_flood = s->unicast_flood; + n->flags = s->flags | os->flags | os->valid_flags; } void @@ -183,11 +240,16 @@ device_init_settings(struct device *dev, struct blob_attr **tb) if ((cur = tb[DEV_ATTR_ENABLED])) disabled = !blobmsg_get_bool(cur); - if ((cur = tb[DEV_ATTR_MTU])) { + if ((cur = tb[DEV_ATTR_MTU]) && blobmsg_get_u32(cur) >= 68) { s->mtu = blobmsg_get_u32(cur); s->flags |= DEV_OPT_MTU; } + if ((cur = tb[DEV_ATTR_MTU6]) && blobmsg_get_u32(cur) >= 1280) { + s->mtu6 = blobmsg_get_u32(cur); + s->flags |= DEV_OPT_MTU6; + } + if ((cur = tb[DEV_ATTR_TXQUEUELEN])) { s->txqueuelen = blobmsg_get_u32(cur); s->flags |= DEV_OPT_TXQUEUELEN; @@ -244,15 +306,62 @@ device_init_settings(struct device *dev, struct blob_attr **tb) s->flags |= DEV_OPT_NEIGHREACHABLETIME; } - if ((cur = tb[DEV_ATTR_RPS])) + if ((cur = tb[DEV_ATTR_NEIGHGCSTALETIME])) { + s->neigh6gcstaletime = s->neigh4gcstaletime = blobmsg_get_u32(cur); + s->flags |= DEV_OPT_NEIGHGCSTALETIME; + } + + if ((cur = tb[DEV_ATTR_RPS])) { s->rps = blobmsg_get_bool(cur); + s->flags |= DEV_OPT_RPS; + } else - s->rps = true; + s->rps = default_ps; - if ((cur = tb[DEV_ATTR_XPS])) + if ((cur = tb[DEV_ATTR_XPS])) { s->xps = blobmsg_get_bool(cur); + s->flags |= DEV_OPT_XPS; + } else - s->xps = true; + s->xps = default_ps; + + if ((cur = tb[DEV_ATTR_DADTRANSMITS])) { + s->dadtransmits = blobmsg_get_u32(cur); + s->flags |= DEV_OPT_DADTRANSMITS; + } + + if ((cur = tb[DEV_ATTR_MULTICAST_TO_UNICAST])) { + s->multicast_to_unicast = blobmsg_get_bool(cur); + s->flags |= DEV_OPT_MULTICAST_TO_UNICAST; + } + + if ((cur = tb[DEV_ATTR_MULTICAST_ROUTER])) { + s->multicast_router = blobmsg_get_u32(cur); + if (s->multicast_router <= 2) + s->flags |= DEV_OPT_MULTICAST_ROUTER; + else + DPRINTF("Invalid value: %d - (Use 0: never, 1: learn, 2: always)\n", blobmsg_get_u32(cur)); + } + + if ((cur = tb[DEV_ATTR_MULTICAST_FAST_LEAVE])) { + s->multicast_fast_leave = blobmsg_get_bool(cur); + s->flags |= DEV_OPT_MULTICAST_FAST_LEAVE; + } + + if ((cur = tb[DEV_ATTR_MULTICAST])) { + s->multicast = blobmsg_get_bool(cur); + s->flags |= DEV_OPT_MULTICAST; + } + + if ((cur = tb[DEV_ATTR_LEARNING])) { + s->learning = blobmsg_get_bool(cur); + s->flags |= DEV_OPT_LEARNING; + } + + if ((cur = tb[DEV_ATTR_UNICAST_FLOOD])) { + s->unicast_flood = blobmsg_get_bool(cur); + s->flags |= DEV_OPT_UNICAST_FLOOD; + } device_set_disabled(dev, disabled); } @@ -287,18 +396,31 @@ void device_broadcast_event(struct device *dev, enum device_event ev) int device_claim(struct device_user *dep) { struct device *dev = dep->dev; - int ret; + int ret = 0; if (dep->claimed) return 0; + if (!dev) + return -1; + dep->claimed = true; D(DEVICE, "Claim %s %s, new active count: %d\n", dev->type->name, dev->ifname, dev->active + 1); if (++dev->active != 1) return 0; device_broadcast_event(dev, DEV_EVENT_SETUP); - ret = dev->set_state(dev, true); + if (dev->external) { + /* Get ifindex for external claimed devices so a valid */ + /* ifindex is in place avoiding possible race conditions */ + device_set_ifindex(dev, system_if_resolve(dev)); + if (!dev->ifindex) + ret = -1; + + system_if_get_settings(dev, &dev->orig_settings); + } else + ret = dev->set_state(dev, true); + if (ret == 0) device_broadcast_event(dev, DEV_EVENT_UP); else { @@ -328,6 +450,10 @@ void device_release(struct device_user *dep) device_broadcast_event(dev, DEV_EVENT_TEARDOWN); if (!dev->external) dev->set_state(dev, false); + + if (dev->active) + return; + device_broadcast_event(dev, DEV_EVENT_DOWN); } @@ -339,24 +465,24 @@ int device_check_state(struct device *dev) return dev->type->check_state(dev); } -void device_init_virtual(struct device *dev, const struct device_type *type, const char *name) +void device_init_virtual(struct device *dev, struct device_type *type, const char *name) { assert(dev); assert(type); - if (name) - strncpy(dev->ifname, name, IFNAMSIZ); - - D(DEVICE, "Initialize device '%s'\n", dev->ifname); + D(DEVICE, "Initialize device '%s'\n", name ? name : ""); INIT_SAFE_LIST(&dev->users); INIT_SAFE_LIST(&dev->aliases); dev->type = type; + if (name) + device_set_ifname(dev, name); + if (!dev->set_state) dev->set_state = set_device_state; } -int device_init(struct device *dev, const struct device_type *type, const char *ifname) +int device_init(struct device *dev, struct device_type *type, const char *ifname) { int ret; @@ -370,8 +496,8 @@ int device_init(struct device *dev, const struct device_type *type, const char * system_if_clear_state(dev); device_check_state(dev); - dev->settings.rps = true; - dev->settings.xps = true; + dev->settings.rps = default_ps; + dev->settings.xps = default_ps; return 0; } @@ -386,14 +512,27 @@ device_create_default(const char *name, bool external) D(DEVICE, "Create simple device '%s'\n", name); dev = calloc(1, sizeof(*dev)); + if (!dev) + return NULL; + dev->external = external; dev->set_state = simple_device_set_state; device_init(dev, &simple_device_type, name); dev->default_config = true; + if (external) + system_if_apply_settings(dev, &dev->settings, dev->settings.flags); return dev; } struct device * +device_find(const char *name) +{ + struct device *dev; + + return avl_find_element(&devices, name, dev, avl); +} + +struct device * device_get(const char *name, int create) { struct device *dev; @@ -407,6 +546,7 @@ device_get(const char *name, int create) dev = avl_find_element(&devices, name, dev, avl); if (dev) { if (create > 1 && !dev->external) { + system_if_apply_settings(dev, &dev->settings, dev->settings.flags); dev->external = true; device_set_present(dev, true); } @@ -498,6 +638,27 @@ void device_set_ifindex(struct device *dev, int ifindex) device_broadcast_event(dev, DEV_EVENT_UPDATE_IFINDEX); } +int device_set_ifname(struct device *dev, const char *name) +{ + int ret = 0; + + if (!strcmp(dev->ifname, name)) + return 0; + + if (dev->avl.key) + avl_delete(&devices, &dev->avl); + + strncpy(dev->ifname, name, IFNAMSIZ); + + if (dev->avl.key) + ret = avl_insert(&devices, &dev->avl); + + if (ret == 0) + device_broadcast_event(dev, DEV_EVENT_UPDATE_IFNAME); + + return ret; +} + static int device_refcount(struct device *dev) { struct list_head *list; @@ -512,19 +673,11 @@ static int device_refcount(struct device *dev) return count; } -void device_add_user(struct device_user *dep, struct device *dev) +static void +__device_add_user(struct device_user *dep, struct device *dev) { struct safe_list *head; - if (dep->dev == dev) - return; - - if (dep->dev) - device_remove_user(dep); - - if (!dev) - return; - dep->dev = dev; if (dep->alias) @@ -545,6 +698,20 @@ void device_add_user(struct device_user *dep, struct device *dev) } } +void device_add_user(struct device_user *dep, struct device *dev) +{ + if (dep->dev == dev) + return; + + if (dep->dev) + device_remove_user(dep); + + if (!dev) + return; + + __device_add_user(dep, dev); +} + void device_free(struct device *dev) { @@ -610,7 +777,7 @@ device_init_pending(void) } static enum dev_change_type -device_set_config(struct device *dev, const struct device_type *type, +device_set_config(struct device *dev, struct device_type *type, struct blob_attr *attr) { struct blob_attr *tb[__DEV_ATTR_MAX]; @@ -639,7 +806,7 @@ device_set_config(struct device *dev, const struct device_type *type, } enum dev_change_type -device_apply_config(struct device *dev, const struct device_type *type, +device_apply_config(struct device *dev, struct device_type *type, struct blob_attr *config) { enum dev_change_type change; @@ -658,12 +825,16 @@ device_apply_config(struct device *dev, const struct device_type *type, free(dev->config); dev->config = config; if (change == DEV_CONFIG_RESTART && dev->present) { + int ret = 0; + device_set_present(dev, false); if (dev->active && !dev->external) { - dev->set_state(dev, false); - dev->set_state(dev, true); + ret = dev->set_state(dev, false); + if (!ret) + ret = dev->set_state(dev, true); } - device_set_present(dev, true); + if (!ret) + device_set_present(dev, true); } break; case DEV_CONFIG_NO_CHANGE: @@ -680,21 +851,19 @@ static void device_replace(struct device *dev, struct device *odev) { struct device_user *dep, *tmp; - bool present = odev->present; - if (present) + __devlock++; + if (odev->present) device_set_present(odev, false); list_for_each_entry_safe(dep, tmp, &odev->users.list, list.list) { device_release(dep); safe_list_del(&dep->list); - safe_list_add(&dep->list, &dev->users); - dep->dev = dev; + __device_add_user(dep, dev); } - device_free(odev); + __devlock--; - if (present) - device_set_present(dev, true); + device_free(odev); } void @@ -719,12 +888,50 @@ device_reset_old(void) continue; ndev = device_create_default(dev->ifname, dev->external); + if (!ndev) + continue; + device_replace(ndev, dev); } } +void +device_set_default_ps(bool state) +{ + struct device *dev; + + if (state == default_ps) + return; + + default_ps = state; + + avl_for_each_element(&devices, dev, avl) { + struct device_settings *s = &dev->settings; + unsigned int apply_mask = 0; + + if (!(s->flags & DEV_OPT_RPS)) { + s->rps = default_ps; + apply_mask |= DEV_OPT_RPS; + } + + if (!(s->flags & DEV_OPT_XPS)) { + s->xps = default_ps; + apply_mask |= DEV_OPT_XPS; + } + + if (!apply_mask) + continue; + + if (!(dev->external || (dev->present && dev->active)) || + dev->config_pending) + continue; + + system_if_apply_settings(dev, s, apply_mask); + } +} + struct device * -device_create(const char *name, const struct device_type *type, +device_create(const char *name, struct device_type *type, struct blob_attr *config) { struct device *odev = NULL, *dev; @@ -749,7 +956,7 @@ device_create(const char *name, const struct device_type *type, if (!config) return NULL; - dev = type->create(name, config); + dev = type->create(name, type, config); if (!dev) return NULL; @@ -758,8 +965,10 @@ device_create(const char *name, const struct device_type *type, if (odev) device_replace(dev, odev); - if (!config_init && dev->config_pending) + if (!config_init && dev->config_pending) { type->config_init(dev); + dev->config_pending = false; + } return dev; } @@ -801,6 +1010,8 @@ device_dump_status(struct blob_buf *b, struct device *dev) device_merge_settings(dev, &st); if (st.flags & DEV_OPT_MTU) blobmsg_add_u32(b, "mtu", st.mtu); + if (st.flags & DEV_OPT_MTU6) + blobmsg_add_u32(b, "mtu6", st.mtu6); if (st.flags & DEV_OPT_MACADDR) blobmsg_add_string(b, "macaddr", format_macaddr(st.macaddr)); if (st.flags & DEV_OPT_TXQUEUELEN) @@ -821,6 +1032,24 @@ device_dump_status(struct blob_buf *b, struct device *dev) blobmsg_add_u32(b, "neigh4reachabletime", st.neigh4reachabletime); blobmsg_add_u32(b, "neigh6reachabletime", st.neigh6reachabletime); } + if (st.flags & DEV_OPT_NEIGHGCSTALETIME) { + blobmsg_add_u32(b, "neigh4gcstaletime", st.neigh4gcstaletime); + blobmsg_add_u32(b, "neigh6gcstaletime", st.neigh6gcstaletime); + } + if (st.flags & DEV_OPT_DADTRANSMITS) + blobmsg_add_u32(b, "dadtransmits", st.dadtransmits); + if (st.flags & DEV_OPT_MULTICAST_TO_UNICAST) + blobmsg_add_u8(b, "multicast_to_unicast", st.multicast_to_unicast); + if (st.flags & DEV_OPT_MULTICAST_ROUTER) + blobmsg_add_u32(b, "multicast_router", st.multicast_router); + if (st.flags & DEV_OPT_MULTICAST_FAST_LEAVE) + blobmsg_add_u8(b, "multicast_fast_leave", st.multicast_fast_leave); + if (st.flags & DEV_OPT_MULTICAST) + blobmsg_add_u8(b, "multicast", st.multicast); + if (st.flags & DEV_OPT_LEARNING) + blobmsg_add_u8(b, "learning", st.learning); + if (st.flags & DEV_OPT_UNICAST_FLOOD) + blobmsg_add_u8(b, "unicast_flood", st.unicast_flood); } s = blobmsg_open_table(b, "statistics"); @@ -830,3 +1059,8 @@ device_dump_status(struct blob_buf *b, struct device *dev) system_if_dump_stats(dev, b); blobmsg_close_table(b, s); } + +static void __init simple_device_type_init(void) +{ + device_type_add(&simple_device_type); +}