static int netdev_ipip_sit_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { Tunnel *t; int r; assert(netdev); if (netdev->kind == NETDEV_KIND_IPIP) t = IPIP(netdev); else t = SIT(netdev); assert(m); assert(t); assert(t->family == AF_INET); if (link) { r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); } r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); r = sd_netlink_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m"); r = sd_netlink_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_PMTUDISC attribute: %m"); if (t->fou_tunnel) { r = sd_netlink_message_append_u16(m, IFLA_IPTUN_ENCAP_TYPE, t->fou_encap_type); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_ENCAP_TYPE attribute: %m"); r = sd_netlink_message_append_u16(m, IFLA_IPTUN_ENCAP_SPORT, htobe16(t->encap_src_port)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_ENCAP_SPORT attribute: %m"); r = sd_netlink_message_append_u16(m, IFLA_IPTUN_ENCAP_DPORT, htobe16(t->fou_destination_port)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_ENCAP_DPORT attribute: %m"); } if (netdev->kind == NETDEV_KIND_SIT) { if (t->sixrd_prefixlen > 0) { r = sd_netlink_message_append_in6_addr(m, IFLA_IPTUN_6RD_PREFIX, &t->sixrd_prefix); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_6RD_PREFIX attribute: %m"); /* u16 is deliberate here, even though we're passing a netmask that can never be >128. The kernel is * expecting to receive the prefixlen as a u16. */ r = sd_netlink_message_append_u16(m, IFLA_IPTUN_6RD_PREFIXLEN, t->sixrd_prefixlen); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_6RD_PREFIXLEN attribute: %m"); } if (t->isatap >= 0) { uint16_t flags = 0; SET_FLAG(flags, SIT_ISATAP, t->isatap); r = sd_netlink_message_append_u16(m, IFLA_IPTUN_FLAGS, flags); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_FLAGS attribute: %m"); } } return r; }
static int netdev_bridge_post_create(NetDev *netdev, Link *link, sd_netlink_message *m) { _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; Bridge *b; int r; assert(netdev); b = BRIDGE(netdev); assert(b); r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_NEWLINK, netdev->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not allocate RTM_SETLINK message: %m"); r = sd_netlink_message_set_flags(req, NLM_F_REQUEST | NLM_F_ACK); if (r < 0) return log_link_error_errno(link, r, "Could not set netlink flags: %m"); r = sd_netlink_message_open_container(req, IFLA_LINKINFO); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_PROTINFO attribute: %m"); r = sd_netlink_message_open_container_union(req, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m"); /* convert to jiffes */ if (b->forward_delay != USEC_INFINITY) { r = sd_netlink_message_append_u32(req, IFLA_BR_FORWARD_DELAY, usec_to_jiffies(b->forward_delay)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_FORWARD_DELAY attribute: %m"); } if (b->hello_time > 0) { r = sd_netlink_message_append_u32(req, IFLA_BR_HELLO_TIME, usec_to_jiffies(b->hello_time)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_HELLO_TIME attribute: %m"); } if (b->max_age > 0) { r = sd_netlink_message_append_u32(req, IFLA_BR_MAX_AGE, usec_to_jiffies(b->max_age)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MAX_AGE attribute: %m"); } if (b->ageing_time != USEC_INFINITY) { r = sd_netlink_message_append_u32(req, IFLA_BR_AGEING_TIME, usec_to_jiffies(b->ageing_time)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_AGEING_TIME attribute: %m"); } if (b->priority > 0) { r = sd_netlink_message_append_u16(req, IFLA_BR_PRIORITY, b->priority); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_PRIORITY attribute: %m"); } if (b->group_fwd_mask > 0) { r = sd_netlink_message_append_u16(req, IFLA_BR_GROUP_FWD_MASK, b->group_fwd_mask); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_GROUP_FWD_MASK attribute: %m"); } if (b->default_pvid != VLANID_INVALID) { r = sd_netlink_message_append_u16(req, IFLA_BR_VLAN_DEFAULT_PVID, b->default_pvid); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_VLAN_DEFAULT_PVID attribute: %m"); } if (b->mcast_querier >= 0) { r = sd_netlink_message_append_u8(req, IFLA_BR_MCAST_QUERIER, b->mcast_querier); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MCAST_QUERIER attribute: %m"); } if (b->mcast_snooping >= 0) { r = sd_netlink_message_append_u8(req, IFLA_BR_MCAST_SNOOPING, b->mcast_snooping); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MCAST_SNOOPING attribute: %m"); } if (b->vlan_filtering >= 0) { r = sd_netlink_message_append_u8(req, IFLA_BR_VLAN_FILTERING, b->vlan_filtering); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_VLAN_FILTERING attribute: %m"); } if (b->stp >= 0) { r = sd_netlink_message_append_u32(req, IFLA_BR_STP_STATE, b->stp); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_STP_STATE attribute: %m"); } r = sd_netlink_message_close_container(req); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m"); r = sd_netlink_message_close_container(req); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m"); r = sd_netlink_call_async(netdev->manager->rtnl, NULL, req, netdev_bridge_set_handler, netdev_destroy_callback, netdev, 0, __func__); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not send rtnetlink message: %m"); netdev_ref(netdev); return r; }
static int netdev_gre_erspan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { uint32_t ikey = 0; uint32_t okey = 0; uint16_t iflags = 0; uint16_t oflags = 0; Tunnel *t; int r; assert(netdev); assert(m); switch (netdev->kind) { case NETDEV_KIND_GRE: t = GRE(netdev); break; case NETDEV_KIND_ERSPAN: t = ERSPAN(netdev); break; case NETDEV_KIND_GRETAP: t = GRETAP(netdev); break; default: assert_not_reached("invalid netdev kind"); } assert(t); assert(t->family == AF_INET); if (link) { r = sd_netlink_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LINK attribute: %m"); } if (netdev->kind == NETDEV_KIND_ERSPAN) { r = sd_netlink_message_append_u32(m, IFLA_GRE_ERSPAN_INDEX, t->erspan_index); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_ERSPAN_INDEX attribute: %m"); } r = sd_netlink_message_append_in_addr(m, IFLA_GRE_LOCAL, &t->local.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LOCAL attribute: %m"); r = sd_netlink_message_append_in_addr(m, IFLA_GRE_REMOTE, &t->remote.in); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_REMOTE attribute: %m"); r = sd_netlink_message_append_u8(m, IFLA_GRE_TTL, t->ttl); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TTL attribute: %m"); r = sd_netlink_message_append_u8(m, IFLA_GRE_TOS, t->tos); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TOS attribute: %m"); r = sd_netlink_message_append_u8(m, IFLA_GRE_PMTUDISC, t->pmtudisc); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_PMTUDISC attribute: %m"); if (t->key != 0) { ikey = okey = htobe32(t->key); iflags |= GRE_KEY; oflags |= GRE_KEY; } if (t->ikey != 0) { ikey = htobe32(t->ikey); iflags |= GRE_KEY; } if (t->okey != 0) { okey = htobe32(t->okey); oflags |= GRE_KEY; } if (t->gre_erspan_sequence > 0) { iflags |= GRE_SEQ; oflags |= GRE_SEQ; } else if (t->gre_erspan_sequence == 0) { iflags &= ~GRE_SEQ; oflags &= ~GRE_SEQ; } r = sd_netlink_message_append_u32(m, IFLA_GRE_IKEY, ikey); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_IKEY attribute: %m"); r = sd_netlink_message_append_u32(m, IFLA_GRE_OKEY, okey); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_OKEY attribute: %m"); r = sd_netlink_message_append_u16(m, IFLA_GRE_IFLAGS, iflags); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_IFLAGS attribute: %m"); r = sd_netlink_message_append_u16(m, IFLA_GRE_OFLAGS, oflags); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_OFLAGS, attribute: %m"); if (t->fou_tunnel) { r = sd_netlink_message_append_u16(m, IFLA_GRE_ENCAP_TYPE, t->fou_encap_type); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_ENCAP_TYPE attribute: %m"); r = sd_netlink_message_append_u16(m, IFLA_GRE_ENCAP_SPORT, htobe16(t->encap_src_port)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_ENCAP_SPORT attribute: %m"); r = sd_netlink_message_append_u16(m, IFLA_GRE_ENCAP_DPORT, htobe16(t->fou_destination_port)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_ENCAP_DPORT attribute: %m"); } return r; }
static int netdev_geneve_create(NetDev *netdev) { _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL; Geneve *v; int r; assert(netdev); v = GENEVE(netdev); r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not allocate RTM_NEWLINK message: %m"); r = sd_netlink_message_append_string(m, IFLA_IFNAME, netdev->ifname); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_IFNAME, attribute: %m"); if (netdev->mac) { r = sd_netlink_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_ADDRESS attribute: %m"); } if (netdev->mtu != 0) { r = sd_netlink_message_append_u32(m, IFLA_MTU, netdev->mtu); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_MTU attribute: %m"); } r = sd_netlink_message_open_container(m, IFLA_LINKINFO); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m"); r = sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m"); if (v->id <= GENEVE_VID_MAX) { r = sd_netlink_message_append_u32(m, IFLA_GENEVE_ID, v->id); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_ID attribute: %m"); } if (!in_addr_is_null(v->remote_family, &v->remote)) { if (v->remote_family == AF_INET) r = sd_netlink_message_append_in_addr(m, IFLA_GENEVE_REMOTE, &v->remote.in); else r = sd_netlink_message_append_in6_addr(m, IFLA_GENEVE_REMOTE6, &v->remote.in6); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_GROUP attribute: %m"); } if (v->ttl) { r = sd_netlink_message_append_u8(m, IFLA_GENEVE_TTL, v->ttl); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_TTL attribute: %m"); } r = sd_netlink_message_append_u8(m, IFLA_GENEVE_TOS, v->tos); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_TOS attribute: %m"); r = sd_netlink_message_append_u8(m, IFLA_GENEVE_UDP_CSUM, v->udpcsum); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_UDP_CSUM attribute: %m"); r = sd_netlink_message_append_u8(m, IFLA_GENEVE_UDP_ZERO_CSUM6_TX, v->udp6zerocsumtx); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_UDP_ZERO_CSUM6_TX attribute: %m"); r = sd_netlink_message_append_u8(m, IFLA_GENEVE_UDP_ZERO_CSUM6_RX, v->udp6zerocsumrx); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_UDP_ZERO_CSUM6_RX attribute: %m"); if (v->dest_port != DEFAULT_GENEVE_DESTINATION_PORT) { r = sd_netlink_message_append_u16(m, IFLA_GENEVE_PORT, htobe16(v->dest_port)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_PORT attribute: %m"); } if (v->flow_label > 0) { r = sd_netlink_message_append_u32(m, IFLA_GENEVE_LABEL, htobe32(v->flow_label)); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_LABEL attribute: %m"); } r = sd_netlink_message_close_container(m); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m"); r = sd_netlink_message_close_container(m); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m"); r = sd_netlink_call_async(netdev->manager->rtnl, m, geneve_netdev_create_handler, netdev, 0, NULL); if (r < 0) return log_netdev_error_errno(netdev, r, "Could not send rtnetlink message: %m"); netdev_ref(netdev); netdev->state = NETDEV_STATE_CREATING; log_netdev_debug(netdev, "Creating"); return r; }