net/vxlan/vxlan_core.c

70 	return vs->flags & VXLAN_F_COLLECT_METADATA ||
75  * enabled unshareable flags and socket device binding (see l3mdev with
79 					  __be16 port, u32 flags, int ifindex)
83 	flags &= VXLAN_F_RCV_FLAGS;
88 		    vs->flags == flags &&
103 	if (vs->flags & VXLAN_F_COLLECT_METADATA &&
104 	    !(vs->flags & VXLAN_F_VNIFILTER))
111 		if (node->vxlan->cfg.flags & VXLAN_F_VNIFILTER) {
122 			if ((cfg->flags & VXLAN_F_IPV6_LINKLOCAL) &&
138 					__be16 port, u32 flags)
142 	vs = vxlan_find_sock(net, family, port, flags, ifindex);
152 			  u32 portid, u32 seq, int type, unsigned int flags,
164 	nlh = nlmsg_put(skb, portid, seq, type, sizeof(*ndm), flags);
193 	ndm->ndm_flags = fdb->flags;
225 	if ((vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) && fdb->vni &&
299 	fdb_info->added_by_user = fdb->flags & NTF_VXLAN_ADDED_BY_USER;
398 	if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA)
420 			if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) {
687 	__be32 flags;
699 	flags = vh->vx_flags;
701 	if ((flags & VXLAN_HF_RCO) && (vs->flags & VXLAN_F_REMCSUM_RX)) {
704 				       !!(vs->flags &
803 	f->flags = ndm_flags;
980 				     __u16 state, __u16 flags,
1000 	if (nhid && (flags & NLM_F_APPEND)) {
1010 	    !(f->flags & NTF_VXLAN_ADDED_BY_USER)) {
1016 		if (f->flags != fdb_flags) {
1017 			f->flags = fdb_flags;
1023 	if ((flags & NLM_F_REPLACE)) {
1041 	if ((flags & NLM_F_APPEND) &&
1069 	if ((flags & NLM_F_REPLACE) && rc)
1071 	else if ((flags & NLM_F_APPEND) && rc) {
1080 				   __u16 state, __u16 flags,
1091 	if ((flags & NLM_F_REPLACE) &&
1117 		     __u16 state, __u16 flags,
1127 		if (flags & NLM_F_EXCL) {
1133 		return vxlan_fdb_update_existing(vxlan, ip, state, flags, port,
1137 		if (!(flags & NLM_F_CREATE))
1140 		return vxlan_fdb_update_create(vxlan, mac, ip, state, flags,
1247 			 const unsigned char *addr, u16 vid, u16 flags,
1278 	err = vxlan_fdb_update(vxlan, addr, &ip, ndm->ndm_state, flags,
1513 				      (vs->flags & VXLAN_F_GPE) ?
1533 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)
1634 	if ((vxlan->cfg.flags & VXLAN_F_LEARN) &&
1687 		netdev_dbg(skb->dev, "invalid vxlan flags=%#x vni=%#x\n",
1709 	if (vs->flags & VXLAN_F_GPE) {
1720 	if (vs->flags & VXLAN_F_REMCSUM_RX)
1721 		if (unlikely(!vxlan_remcsum(&unparsed, skb, vs->flags)))
1725 		IP_TUNNEL_DECLARE_FLAGS(flags) = { };
1728 		__set_bit(IP_TUNNEL_KEY_BIT, flags);
1729 		tun_dst = udp_tun_rx_dst(skb, vxlan_get_sk_family(vs), flags,
1742 	if (vs->flags & VXLAN_F_GBP)
1743 		vxlan_parse_gbp_hdr(&unparsed, skb, vs->flags, md);
1749 		/* If there are any unprocessed flags remaining treat
1798 	if (unlikely(!(vxlan->dev->flags & IFF_UP))) {
1856 	if (dev->flags & IFF_NOARP)
1923 	} else if (vxlan->cfg.flags & VXLAN_F_L3MISS) {
2069 					!!(f ? f->flags & NTF_ROUTER : 0));
2081 	} else if (vxlan->cfg.flags & VXLAN_F_L3MISS) {
2115 		if (!n && (vxlan->cfg.flags & VXLAN_F_L3MISS)) {
2136 		if (!n && (vxlan->cfg.flags & VXLAN_F_L3MISS)) {
2271 	if (unlikely(!(dev->flags & IFF_UP))) {
2276 	if ((dst_vxlan->cfg.flags & VXLAN_F_LEARN) && snoop)
2303 	/* IPv6 rt-flags are checked against RTF_LOCAL, but the value of
2312 	    vxlan->cfg.flags & VXLAN_F_LOCALBYPASS) {
2318 					   vxlan->cfg.flags);
2352 	u32 flags = vxlan->cfg.flags;
2390 		if (flags & VXLAN_F_TTL_INHERIT) {
2404 			udp_sum = !(flags & VXLAN_F_UDP_ZERO_CSUM_TX);
2406 			udp_sum = !(flags & VXLAN_F_UDP_ZERO_CSUM6_TX);
2486 		err = skb_tunnel_check_pmtu(skb, ndst, vxlan_headroom(flags & VXLAN_F_GPE),
2509 				      vni, md, flags, udp_sum);
2545 					    vxlan_headroom((flags & VXLAN_F_GPE) | VXLAN_F_IPV6),
2570 				      vni, md, flags, udp_sum);
2696 	if (vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) {
2710 	if (vxlan->cfg.flags & VXLAN_F_PROXY) {
2731 	if (vxlan->cfg.flags & VXLAN_F_MDB) {
2750 	if (f && (f->flags & NTF_ROUTER) && (vxlan->cfg.flags & VXLAN_F_RSC) &&
2761 			if ((vxlan->cfg.flags & VXLAN_F_L2MISS) &&
2819 			if (f->flags & NTF_EXT_LEARNED)
2868 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)
2885 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)
2908 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER)
2942 	unsigned long                   flags;
2971 	if (desc->flags_mask && (f->flags & desc->flags_mask) != desc->flags)
3105 	desc.flags = ndm_flags;
3179 		int max_mtu = lowerdev->mtu - vxlan_headroom(vxlan->cfg.flags);
3292 			if (vs->flags & VXLAN_F_GPE)
3360 	dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
3500 					__be16 port, u32 flags, int ifindex)
3511 		    !(flags & VXLAN_F_UDP_ZERO_CSUM6_RX);
3531 					      __be16 port, u32 flags,
3547 	sock = vxlan_create_sock(net, ipv6, port, flags, ifindex);
3555 	vs->flags = (flags & VXLAN_F_RCV_FLAGS);
3560 				      (vs->flags & VXLAN_F_GPE) ?
3572 	if (vs->flags & VXLAN_F_GPE) {
3588 	bool metadata = vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA;
3600 				     vxlan->cfg.dst_port, vxlan->cfg.flags,
3610 					 vxlan->cfg.dst_port, vxlan->cfg.flags,
3625 	if (metadata && (vxlan->cfg.flags & VXLAN_F_VNIFILTER))
3635 	bool metadata = vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA;
3636 	bool ipv6 = vxlan->cfg.flags & VXLAN_F_IPV6 || metadata;
3665 		if (tmp->cfg.flags & VXLAN_F_VNIFILTER) {
3673 		if ((tmp->cfg.flags & (VXLAN_F_RCV_FLAGS | VXLAN_F_IPV6)) !=
3674 		    (conf->flags & (VXLAN_F_RCV_FLAGS | VXLAN_F_IPV6)))
3677 		if ((conf->flags & VXLAN_F_IPV6_LINKLOCAL) &&
3694 	if (conf->flags & VXLAN_F_GPE) {
3700 		if ((conf->flags & ~VXLAN_F_ALLOWED_GPE) ||
3701 		    !(conf->flags & VXLAN_F_COLLECT_METADATA)) {
3736 		conf->flags |= VXLAN_F_IPV6;
3738 		if (!(conf->flags & VXLAN_F_COLLECT_METADATA)) {
3752 				conf->flags |= VXLAN_F_IPV6_LINKLOCAL;
3761 				conf->flags &= ~VXLAN_F_IPV6_LINKLOCAL;
3810 		if (conf->flags & VXLAN_F_IPV6_LINKLOCAL) {
3821 		if (conf->flags & VXLAN_F_GPE)
3849 	u32 flags = conf->flags;
3852 		if (flags & VXLAN_F_GPE)
3877 		max_mtu = lowerdev->mtu - vxlan_headroom(flags);
3888 	if (flags & VXLAN_F_COLLECT_METADATA)
3889 		flags |= VXLAN_F_IPV6;
3890 	needed_headroom += vxlan_headroom(flags);
4001 /* Set/clear flags based on attribute */
4007 	unsigned long flags;
4018 		flags = conf->flags | mask;
4020 		flags = conf->flags | mask;
4022 		flags = conf->flags & ~mask;
4024 	conf->flags = flags;
4131 		conf->flags |= VXLAN_F_LEARN;
4215 			conf->flags |= VXLAN_F_UDP_ZERO_CSUM_TX;
4226 		conf->flags |= VXLAN_F_LOCALBYPASS;
4303 		if ((conf->flags & VXLAN_F_VNIFILTER) &&
4304 		    !(conf->flags & VXLAN_F_COLLECT_METADATA)) {
4390 		if (vxlan->cfg.flags & VXLAN_F_VNIFILTER) {
4508 		       !!(vxlan->cfg.flags & VXLAN_F_TTL_INHERIT)) ||
4514 		       !!(vxlan->cfg.flags & VXLAN_F_LEARN)) ||
4516 		       !!(vxlan->cfg.flags & VXLAN_F_PROXY)) ||
4518 		       !!(vxlan->cfg.flags & VXLAN_F_RSC)) ||
4520 		       !!(vxlan->cfg.flags & VXLAN_F_L2MISS)) ||
4522 		       !!(vxlan->cfg.flags & VXLAN_F_L3MISS)) ||
4524 		       !!(vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA)) ||
4529 		       !(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM_TX)) ||
4531 		       !!(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM6_TX)) ||
4533 		       !!(vxlan->cfg.flags & VXLAN_F_UDP_ZERO_CSUM6_RX)) ||
4535 		       !!(vxlan->cfg.flags & VXLAN_F_REMCSUM_TX)) ||
4537 		       !!(vxlan->cfg.flags & VXLAN_F_REMCSUM_RX)) ||
4539 		       !!(vxlan->cfg.flags & VXLAN_F_LOCALBYPASS)))
4545 	if (vxlan->cfg.flags & VXLAN_F_GBP &&
4549 	if (vxlan->cfg.flags & VXLAN_F_GPE &&
4553 	if (vxlan->cfg.flags & VXLAN_F_REMCSUM_NOPARTIAL &&
4557 	if (vxlan->cfg.flags & VXLAN_F_VNIFILTER &&
4559 		       !!(vxlan->cfg.flags & VXLAN_F_VNIFILTER)))
4738 	else if (f->flags & NTF_EXT_LEARNED)