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-rw-r--r--include/net/dst_metadata.h10
-rw-r--r--include/net/flow_dissector.h2
-rw-r--r--include/net/gre.h70
-rw-r--r--include/net/ip6_tunnel.h4
-rw-r--r--include/net/ip_tunnels.h119
-rw-r--r--include/net/udp_tunnel.h4
6 files changed, 144 insertions, 65 deletions
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index 1b7fae4c6b24..4160731dcb6e 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -198,7 +198,7 @@ static inline struct metadata_dst *__ip_tun_set_dst(__be32 saddr,
__be32 daddr,
__u8 tos, __u8 ttl,
__be16 tp_dst,
- __be16 flags,
+ const unsigned long *flags,
__be64 tunnel_id,
int md_size)
{
@@ -215,7 +215,7 @@ static inline struct metadata_dst *__ip_tun_set_dst(__be32 saddr,
}
static inline struct metadata_dst *ip_tun_rx_dst(struct sk_buff *skb,
- __be16 flags,
+ const unsigned long *flags,
__be64 tunnel_id,
int md_size)
{
@@ -230,7 +230,7 @@ static inline struct metadata_dst *__ipv6_tun_set_dst(const struct in6_addr *sad
__u8 tos, __u8 ttl,
__be16 tp_dst,
__be32 label,
- __be16 flags,
+ const unsigned long *flags,
__be64 tunnel_id,
int md_size)
{
@@ -243,7 +243,7 @@ static inline struct metadata_dst *__ipv6_tun_set_dst(const struct in6_addr *sad
info = &tun_dst->u.tun_info;
info->mode = IP_TUNNEL_INFO_IPV6;
- info->key.tun_flags = flags;
+ ip_tunnel_flags_copy(info->key.tun_flags, flags);
info->key.tun_id = tunnel_id;
info->key.tp_src = 0;
info->key.tp_dst = tp_dst;
@@ -259,7 +259,7 @@ static inline struct metadata_dst *__ipv6_tun_set_dst(const struct in6_addr *sad
}
static inline struct metadata_dst *ipv6_tun_rx_dst(struct sk_buff *skb,
- __be16 flags,
+ const unsigned long *flags,
__be64 tunnel_id,
int md_size)
{
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index 1a7131d6cb0e..9ab376d1a677 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -97,7 +97,7 @@ struct flow_dissector_key_enc_opts {
* here but seems difficult to #include
*/
u8 len;
- __be16 dst_opt_type;
+ u32 dst_opt_type;
};
struct flow_dissector_key_keyid {
diff --git a/include/net/gre.h b/include/net/gre.h
index 4e209708b754..ccd293203284 100644
--- a/include/net/gre.h
+++ b/include/net/gre.h
@@ -49,67 +49,61 @@ static inline bool netif_is_ip6gretap(const struct net_device *dev)
!strcmp(dev->rtnl_link_ops->kind, "ip6gretap");
}
-static inline int gre_calc_hlen(__be16 o_flags)
+static inline int gre_calc_hlen(const unsigned long *o_flags)
{
int addend = 4;
- if (o_flags & TUNNEL_CSUM)
+ if (test_bit(IP_TUNNEL_CSUM_BIT, o_flags))
addend += 4;
- if (o_flags & TUNNEL_KEY)
+ if (test_bit(IP_TUNNEL_KEY_BIT, o_flags))
addend += 4;
- if (o_flags & TUNNEL_SEQ)
+ if (test_bit(IP_TUNNEL_SEQ_BIT, o_flags))
addend += 4;
return addend;
}
-static inline __be16 gre_flags_to_tnl_flags(__be16 flags)
+static inline void gre_flags_to_tnl_flags(unsigned long *dst, __be16 flags)
{
- __be16 tflags = 0;
-
- if (flags & GRE_CSUM)
- tflags |= TUNNEL_CSUM;
- if (flags & GRE_ROUTING)
- tflags |= TUNNEL_ROUTING;
- if (flags & GRE_KEY)
- tflags |= TUNNEL_KEY;
- if (flags & GRE_SEQ)
- tflags |= TUNNEL_SEQ;
- if (flags & GRE_STRICT)
- tflags |= TUNNEL_STRICT;
- if (flags & GRE_REC)
- tflags |= TUNNEL_REC;
- if (flags & GRE_VERSION)
- tflags |= TUNNEL_VERSION;
-
- return tflags;
+ IP_TUNNEL_DECLARE_FLAGS(res) = { };
+
+ __assign_bit(IP_TUNNEL_CSUM_BIT, res, flags & GRE_CSUM);
+ __assign_bit(IP_TUNNEL_ROUTING_BIT, res, flags & GRE_ROUTING);
+ __assign_bit(IP_TUNNEL_KEY_BIT, res, flags & GRE_KEY);
+ __assign_bit(IP_TUNNEL_SEQ_BIT, res, flags & GRE_SEQ);
+ __assign_bit(IP_TUNNEL_STRICT_BIT, res, flags & GRE_STRICT);
+ __assign_bit(IP_TUNNEL_REC_BIT, res, flags & GRE_REC);
+ __assign_bit(IP_TUNNEL_VERSION_BIT, res, flags & GRE_VERSION);
+
+ ip_tunnel_flags_copy(dst, res);
}
-static inline __be16 gre_tnl_flags_to_gre_flags(__be16 tflags)
+static inline __be16 gre_tnl_flags_to_gre_flags(const unsigned long *tflags)
{
__be16 flags = 0;
- if (tflags & TUNNEL_CSUM)
+ if (test_bit(IP_TUNNEL_CSUM_BIT, tflags))
flags |= GRE_CSUM;
- if (tflags & TUNNEL_ROUTING)
+ if (test_bit(IP_TUNNEL_ROUTING_BIT, tflags))
flags |= GRE_ROUTING;
- if (tflags & TUNNEL_KEY)
+ if (test_bit(IP_TUNNEL_KEY_BIT, tflags))
flags |= GRE_KEY;
- if (tflags & TUNNEL_SEQ)
+ if (test_bit(IP_TUNNEL_SEQ_BIT, tflags))
flags |= GRE_SEQ;
- if (tflags & TUNNEL_STRICT)
+ if (test_bit(IP_TUNNEL_STRICT_BIT, tflags))
flags |= GRE_STRICT;
- if (tflags & TUNNEL_REC)
+ if (test_bit(IP_TUNNEL_REC_BIT, tflags))
flags |= GRE_REC;
- if (tflags & TUNNEL_VERSION)
+ if (test_bit(IP_TUNNEL_VERSION_BIT, tflags))
flags |= GRE_VERSION;
return flags;
}
static inline void gre_build_header(struct sk_buff *skb, int hdr_len,
- __be16 flags, __be16 proto,
+ const unsigned long *flags, __be16 proto,
__be32 key, __be32 seq)
{
+ IP_TUNNEL_DECLARE_FLAGS(cond) = { };
struct gre_base_hdr *greh;
skb_push(skb, hdr_len);
@@ -120,18 +114,22 @@ static inline void gre_build_header(struct sk_buff *skb, int hdr_len,
greh->flags = gre_tnl_flags_to_gre_flags(flags);
greh->protocol = proto;
- if (flags & (TUNNEL_KEY | TUNNEL_CSUM | TUNNEL_SEQ)) {
+ __set_bit(IP_TUNNEL_KEY_BIT, cond);
+ __set_bit(IP_TUNNEL_CSUM_BIT, cond);
+ __set_bit(IP_TUNNEL_SEQ_BIT, cond);
+
+ if (ip_tunnel_flags_intersect(flags, cond)) {
__be32 *ptr = (__be32 *)(((u8 *)greh) + hdr_len - 4);
- if (flags & TUNNEL_SEQ) {
+ if (test_bit(IP_TUNNEL_SEQ_BIT, flags)) {
*ptr = seq;
ptr--;
}
- if (flags & TUNNEL_KEY) {
+ if (test_bit(IP_TUNNEL_KEY_BIT, flags)) {
*ptr = key;
ptr--;
}
- if (flags & TUNNEL_CSUM &&
+ if (test_bit(IP_TUNNEL_CSUM_BIT, flags) &&
!(skb_shinfo(skb)->gso_type &
(SKB_GSO_GRE | SKB_GSO_GRE_CSUM))) {
*ptr = 0;
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index 74b369bddf49..399592405c72 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -30,8 +30,8 @@ struct __ip6_tnl_parm {
struct in6_addr laddr; /* local tunnel end-point address */
struct in6_addr raddr; /* remote tunnel end-point address */
- __be16 i_flags;
- __be16 o_flags;
+ IP_TUNNEL_DECLARE_FLAGS(i_flags);
+ IP_TUNNEL_DECLARE_FLAGS(o_flags);
__be32 i_key;
__be32 o_key;
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 20f0319ab149..ed8e48cc9054 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -36,6 +36,24 @@
(sizeof_field(struct ip_tunnel_key, u) - \
sizeof_field(struct ip_tunnel_key, u.ipv4))
+#define __ipt_flag_op(op, ...) \
+ op(__VA_ARGS__, __IP_TUNNEL_FLAG_NUM)
+
+#define IP_TUNNEL_DECLARE_FLAGS(...) \
+ __ipt_flag_op(DECLARE_BITMAP, __VA_ARGS__)
+
+#define ip_tunnel_flags_zero(...) __ipt_flag_op(bitmap_zero, __VA_ARGS__)
+#define ip_tunnel_flags_copy(...) __ipt_flag_op(bitmap_copy, __VA_ARGS__)
+#define ip_tunnel_flags_and(...) __ipt_flag_op(bitmap_and, __VA_ARGS__)
+#define ip_tunnel_flags_or(...) __ipt_flag_op(bitmap_or, __VA_ARGS__)
+
+#define ip_tunnel_flags_empty(...) \
+ __ipt_flag_op(bitmap_empty, __VA_ARGS__)
+#define ip_tunnel_flags_intersect(...) \
+ __ipt_flag_op(bitmap_intersects, __VA_ARGS__)
+#define ip_tunnel_flags_subset(...) \
+ __ipt_flag_op(bitmap_subset, __VA_ARGS__)
+
struct ip_tunnel_key {
__be64 tun_id;
union {
@@ -48,11 +66,11 @@ struct ip_tunnel_key {
struct in6_addr dst;
} ipv6;
} u;
- __be16 tun_flags;
- u8 tos; /* TOS for IPv4, TC for IPv6 */
- u8 ttl; /* TTL for IPv4, HL for IPv6 */
+ IP_TUNNEL_DECLARE_FLAGS(tun_flags);
__be32 label; /* Flow Label for IPv6 */
u32 nhid;
+ u8 tos; /* TOS for IPv4, TC for IPv6 */
+ u8 ttl; /* TTL for IPv4, HL for IPv6 */
__be16 tp_src;
__be16 tp_dst;
__u8 flow_flags;
@@ -110,14 +128,14 @@ struct ip_tunnel_prl_entry {
struct metadata_dst;
-/* Kernel-side copy of ip_tunnel_parm */
+/* Kernel-side variant of ip_tunnel_parm */
struct ip_tunnel_parm_kern {
char name[IFNAMSIZ];
- int link;
- __be16 i_flags;
- __be16 o_flags;
+ IP_TUNNEL_DECLARE_FLAGS(i_flags);
+ IP_TUNNEL_DECLARE_FLAGS(o_flags);
__be32 i_key;
__be32 o_key;
+ int link;
struct iphdr iph;
};
@@ -168,7 +186,7 @@ struct ip_tunnel {
};
struct tnl_ptk_info {
- __be16 flags;
+ IP_TUNNEL_DECLARE_FLAGS(flags);
__be16 proto;
__be32 key;
__be32 seq;
@@ -190,11 +208,77 @@ struct ip_tunnel_net {
int type;
};
+static inline void ip_tunnel_set_options_present(unsigned long *flags)
+{
+ IP_TUNNEL_DECLARE_FLAGS(present) = { };
+
+ __set_bit(IP_TUNNEL_GENEVE_OPT_BIT, present);
+ __set_bit(IP_TUNNEL_VXLAN_OPT_BIT, present);
+ __set_bit(IP_TUNNEL_ERSPAN_OPT_BIT, present);
+ __set_bit(IP_TUNNEL_GTP_OPT_BIT, present);
+
+ ip_tunnel_flags_or(flags, flags, present);
+}
+
+static inline void ip_tunnel_clear_options_present(unsigned long *flags)
+{
+ IP_TUNNEL_DECLARE_FLAGS(present) = { };
+
+ __set_bit(IP_TUNNEL_GENEVE_OPT_BIT, present);
+ __set_bit(IP_TUNNEL_VXLAN_OPT_BIT, present);
+ __set_bit(IP_TUNNEL_ERSPAN_OPT_BIT, present);
+ __set_bit(IP_TUNNEL_GTP_OPT_BIT, present);
+
+ __ipt_flag_op(bitmap_andnot, flags, flags, present);
+}
+
+static inline bool ip_tunnel_is_options_present(const unsigned long *flags)
+{
+ IP_TUNNEL_DECLARE_FLAGS(present) = { };
+
+ __set_bit(IP_TUNNEL_GENEVE_OPT_BIT, present);
+ __set_bit(IP_TUNNEL_VXLAN_OPT_BIT, present);
+ __set_bit(IP_TUNNEL_ERSPAN_OPT_BIT, present);
+ __set_bit(IP_TUNNEL_GTP_OPT_BIT, present);
+
+ return ip_tunnel_flags_intersect(flags, present);
+}
+
+static inline bool ip_tunnel_flags_is_be16_compat(const unsigned long *flags)
+{
+ IP_TUNNEL_DECLARE_FLAGS(supp) = { };
+
+ bitmap_set(supp, 0, BITS_PER_TYPE(__be16));
+ __set_bit(IP_TUNNEL_VTI_BIT, supp);
+
+ return ip_tunnel_flags_subset(flags, supp);
+}
+
+static inline void ip_tunnel_flags_from_be16(unsigned long *dst, __be16 flags)
+{
+ ip_tunnel_flags_zero(dst);
+
+ bitmap_write(dst, be16_to_cpu(flags), 0, BITS_PER_TYPE(__be16));
+ __assign_bit(IP_TUNNEL_VTI_BIT, dst, flags & VTI_ISVTI);
+}
+
+static inline __be16 ip_tunnel_flags_to_be16(const unsigned long *flags)
+{
+ __be16 ret;
+
+ ret = cpu_to_be16(bitmap_read(flags, 0, BITS_PER_TYPE(__be16)));
+ if (test_bit(IP_TUNNEL_VTI_BIT, flags))
+ ret |= VTI_ISVTI;
+
+ return ret;
+}
+
static inline void ip_tunnel_key_init(struct ip_tunnel_key *key,
__be32 saddr, __be32 daddr,
u8 tos, u8 ttl, __be32 label,
__be16 tp_src, __be16 tp_dst,
- __be64 tun_id, __be16 tun_flags)
+ __be64 tun_id,
+ const unsigned long *tun_flags)
{
key->tun_id = tun_id;
key->u.ipv4.src = saddr;
@@ -204,7 +288,7 @@ static inline void ip_tunnel_key_init(struct ip_tunnel_key *key,
key->tos = tos;
key->ttl = ttl;
key->label = label;
- key->tun_flags = tun_flags;
+ ip_tunnel_flags_copy(key->tun_flags, tun_flags);
/* For the tunnel types on the top of IPsec, the tp_src and tp_dst of
* the upper tunnel are used.
@@ -225,12 +309,8 @@ ip_tunnel_dst_cache_usable(const struct sk_buff *skb,
{
if (skb->mark)
return false;
- if (!info)
- return true;
- if (info->key.tun_flags & TUNNEL_NOCACHE)
- return false;
- return true;
+ return !info || !test_bit(IP_TUNNEL_NOCACHE_BIT, info->key.tun_flags);
}
static inline unsigned short ip_tunnel_info_af(const struct ip_tunnel_info
@@ -313,7 +393,7 @@ int __ip_tunnel_change_mtu(struct net_device *dev, int new_mtu, bool strict);
int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu);
struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn,
- int link, __be16 flags,
+ int link, const unsigned long *flags,
__be32 remote, __be32 local,
__be32 key);
@@ -529,12 +609,13 @@ static inline void ip_tunnel_info_opts_get(void *to,
static inline void ip_tunnel_info_opts_set(struct ip_tunnel_info *info,
const void *from, int len,
- __be16 flags)
+ const unsigned long *flags)
{
info->options_len = len;
if (len > 0) {
memcpy(ip_tunnel_info_opts(info), from, len);
- info->key.tun_flags |= flags;
+ ip_tunnel_flags_or(info->key.tun_flags, info->key.tun_flags,
+ flags);
}
}
@@ -578,7 +659,7 @@ static inline void ip_tunnel_info_opts_get(void *to,
static inline void ip_tunnel_info_opts_set(struct ip_tunnel_info *info,
const void *from, int len,
- __be16 flags)
+ const unsigned long *flags)
{
info->options_len = 0;
}
diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h
index d716214fe03d..a93dc51f6323 100644
--- a/include/net/udp_tunnel.h
+++ b/include/net/udp_tunnel.h
@@ -179,8 +179,8 @@ struct dst_entry *udp_tunnel6_dst_lookup(struct sk_buff *skb,
struct dst_cache *dst_cache);
struct metadata_dst *udp_tun_rx_dst(struct sk_buff *skb, unsigned short family,
- __be16 flags, __be64 tunnel_id,
- int md_size);
+ const unsigned long *flags,
+ __be64 tunnel_id, int md_size);
#ifdef CONFIG_INET
static inline int udp_tunnel_handle_offloads(struct sk_buff *skb, bool udp_csum)
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2025-01-13 00:45:56 +0000