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-rw-r--r--include/net/act_api.h2
-rw-r--r--include/net/fou.h10
-rw-r--r--include/net/inet_common.h5
-rw-r--r--include/net/ip6_tunnel.h58
-rw-r--r--include/net/ip_tunnels.h76
-rw-r--r--include/net/sock.h9
6 files changed, 135 insertions, 25 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 2cd9e9b..9a9a8ed 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -192,7 +192,7 @@ static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes,
#else /* CONFIG_NET_CLS_ACT */
#define tc_no_actions(_exts) true
-#define tc_for_each_action(_a, _exts) while (0)
+#define tc_for_each_action(_a, _exts) while ((void)(_a), 0)
#define tcf_action_stats_update(a, bytes, packets, lastuse)
#endif /* CONFIG_NET_CLS_ACT */
diff --git a/include/net/fou.h b/include/net/fou.h
index 19b8a0c..f5cc691 100644
--- a/include/net/fou.h
+++ b/include/net/fou.h
@@ -9,11 +9,11 @@
#include <net/udp.h>
size_t fou_encap_hlen(struct ip_tunnel_encap *e);
-static size_t gue_encap_hlen(struct ip_tunnel_encap *e);
+size_t gue_encap_hlen(struct ip_tunnel_encap *e);
-int fou_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e,
- u8 *protocol, struct flowi4 *fl4);
-int gue_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e,
- u8 *protocol, struct flowi4 *fl4);
+int __fou_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e,
+ u8 *protocol, __be16 *sport, int type);
+int __gue_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e,
+ u8 *protocol, __be16 *sport, int type);
#endif
diff --git a/include/net/inet_common.h b/include/net/inet_common.h
index 109e3ee..5d68342 100644
--- a/include/net/inet_common.h
+++ b/include/net/inet_common.h
@@ -39,6 +39,11 @@ int inet_ctl_sock_create(struct sock **sk, unsigned short family,
int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,
int *addr_len);
+struct sk_buff **inet_gro_receive(struct sk_buff **head, struct sk_buff *skb);
+int inet_gro_complete(struct sk_buff *skb, int nhoff);
+struct sk_buff *inet_gso_segment(struct sk_buff *skb,
+ netdev_features_t features);
+
static inline void inet_ctl_sock_destroy(struct sock *sk)
{
if (sk)
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index fb9e015..d325c81 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -52,10 +52,68 @@ struct ip6_tnl {
__u32 o_seqno; /* The last output seqno */
int hlen; /* tun_hlen + encap_hlen */
int tun_hlen; /* Precalculated header length */
+ int encap_hlen; /* Encap header length (FOU,GUE) */
+ struct ip_tunnel_encap encap;
int mlink;
+};
+struct ip6_tnl_encap_ops {
+ size_t (*encap_hlen)(struct ip_tunnel_encap *e);
+ int (*build_header)(struct sk_buff *skb, struct ip_tunnel_encap *e,
+ u8 *protocol, struct flowi6 *fl6);
};
+extern const struct ip6_tnl_encap_ops __rcu *
+ ip6tun_encaps[MAX_IPTUN_ENCAP_OPS];
+
+int ip6_tnl_encap_add_ops(const struct ip6_tnl_encap_ops *ops,
+ unsigned int num);
+int ip6_tnl_encap_del_ops(const struct ip6_tnl_encap_ops *ops,
+ unsigned int num);
+int ip6_tnl_encap_setup(struct ip6_tnl *t,
+ struct ip_tunnel_encap *ipencap);
+
+static inline int ip6_encap_hlen(struct ip_tunnel_encap *e)
+{
+ const struct ip6_tnl_encap_ops *ops;
+ int hlen = -EINVAL;
+
+ if (e->type == TUNNEL_ENCAP_NONE)
+ return 0;
+
+ if (e->type >= MAX_IPTUN_ENCAP_OPS)
+ return -EINVAL;
+
+ rcu_read_lock();
+ ops = rcu_dereference(ip6tun_encaps[e->type]);
+ if (likely(ops && ops->encap_hlen))
+ hlen = ops->encap_hlen(e);
+ rcu_read_unlock();
+
+ return hlen;
+}
+
+static inline int ip6_tnl_encap(struct sk_buff *skb, struct ip6_tnl *t,
+ u8 *protocol, struct flowi6 *fl6)
+{
+ const struct ip6_tnl_encap_ops *ops;
+ int ret = -EINVAL;
+
+ if (t->encap.type == TUNNEL_ENCAP_NONE)
+ return 0;
+
+ if (t->encap.type >= MAX_IPTUN_ENCAP_OPS)
+ return -EINVAL;
+
+ rcu_read_lock();
+ ops = rcu_dereference(ip6tun_encaps[t->encap.type]);
+ if (likely(ops && ops->build_header))
+ ret = ops->build_header(skb, &t->encap, protocol, fl6);
+ rcu_read_unlock();
+
+ return ret;
+}
+
/* Tunnel encapsulation limit destination sub-option */
struct ipv6_tlv_tnl_enc_lim {
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index d916b43..dbf4444 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -171,22 +171,6 @@ struct ip_tunnel_net {
struct ip_tunnel __rcu *collect_md_tun;
};
-struct ip_tunnel_encap_ops {
- size_t (*encap_hlen)(struct ip_tunnel_encap *e);
- int (*build_header)(struct sk_buff *skb, struct ip_tunnel_encap *e,
- u8 *protocol, struct flowi4 *fl4);
-};
-
-#define MAX_IPTUN_ENCAP_OPS 8
-
-extern const struct ip_tunnel_encap_ops __rcu *
- iptun_encaps[MAX_IPTUN_ENCAP_OPS];
-
-int ip_tunnel_encap_add_ops(const struct ip_tunnel_encap_ops *op,
- unsigned int num);
-int ip_tunnel_encap_del_ops(const struct ip_tunnel_encap_ops *op,
- unsigned int num);
-
static inline void ip_tunnel_key_init(struct ip_tunnel_key *key,
__be32 saddr, __be32 daddr,
u8 tos, u8 ttl, __be32 label,
@@ -251,8 +235,6 @@ void ip_tunnel_delete_net(struct ip_tunnel_net *itn, struct rtnl_link_ops *ops);
void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
const struct iphdr *tnl_params, const u8 protocol);
int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd);
-int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t,
- u8 *protocol, struct flowi4 *fl4);
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);
@@ -271,9 +253,67 @@ int ip_tunnel_changelink(struct net_device *dev, struct nlattr *tb[],
int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[],
struct ip_tunnel_parm *p);
void ip_tunnel_setup(struct net_device *dev, int net_id);
+
+struct ip_tunnel_encap_ops {
+ size_t (*encap_hlen)(struct ip_tunnel_encap *e);
+ int (*build_header)(struct sk_buff *skb, struct ip_tunnel_encap *e,
+ u8 *protocol, struct flowi4 *fl4);
+};
+
+#define MAX_IPTUN_ENCAP_OPS 8
+
+extern const struct ip_tunnel_encap_ops __rcu *
+ iptun_encaps[MAX_IPTUN_ENCAP_OPS];
+
+int ip_tunnel_encap_add_ops(const struct ip_tunnel_encap_ops *op,
+ unsigned int num);
+int ip_tunnel_encap_del_ops(const struct ip_tunnel_encap_ops *op,
+ unsigned int num);
+
int ip_tunnel_encap_setup(struct ip_tunnel *t,
struct ip_tunnel_encap *ipencap);
+static inline int ip_encap_hlen(struct ip_tunnel_encap *e)
+{
+ const struct ip_tunnel_encap_ops *ops;
+ int hlen = -EINVAL;
+
+ if (e->type == TUNNEL_ENCAP_NONE)
+ return 0;
+
+ if (e->type >= MAX_IPTUN_ENCAP_OPS)
+ return -EINVAL;
+
+ rcu_read_lock();
+ ops = rcu_dereference(iptun_encaps[e->type]);
+ if (likely(ops && ops->encap_hlen))
+ hlen = ops->encap_hlen(e);
+ rcu_read_unlock();
+
+ return hlen;
+}
+
+static inline int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t,
+ u8 *protocol, struct flowi4 *fl4)
+{
+ const struct ip_tunnel_encap_ops *ops;
+ int ret = -EINVAL;
+
+ if (t->encap.type == TUNNEL_ENCAP_NONE)
+ return 0;
+
+ if (t->encap.type >= MAX_IPTUN_ENCAP_OPS)
+ return -EINVAL;
+
+ rcu_read_lock();
+ ops = rcu_dereference(iptun_encaps[t->encap.type]);
+ if (likely(ops && ops->build_header))
+ ret = ops->build_header(skb, &t->encap, protocol, fl4);
+ rcu_read_unlock();
+
+ return ret;
+}
+
/* Extract dsfield from inner protocol */
static inline u8 ip_tunnel_get_dsfield(const struct iphdr *iph,
const struct sk_buff *skb)
diff --git a/include/net/sock.h b/include/net/sock.h
index c9c8b19..649d2a8 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -382,8 +382,13 @@ struct sock {
atomic_t sk_omem_alloc;
int sk_sndbuf;
struct sk_buff_head sk_write_queue;
+
+ /*
+ * Because of non atomicity rules, all
+ * changes are protected by socket lock.
+ */
kmemcheck_bitfield_begin(flags);
- unsigned int sk_shutdown : 2,
+ unsigned int sk_padding : 2,
sk_no_check_tx : 1,
sk_no_check_rx : 1,
sk_userlocks : 4,
@@ -391,6 +396,7 @@ struct sock {
sk_type : 16;
#define SK_PROTOCOL_MAX U8_MAX
kmemcheck_bitfield_end(flags);
+
int sk_wmem_queued;
gfp_t sk_allocation;
u32 sk_pacing_rate; /* bytes per second */
@@ -418,6 +424,7 @@ struct sock {
struct timer_list sk_timer;
ktime_t sk_stamp;
u16 sk_tsflags;
+ u8 sk_shutdown;
u32 sk_tskey;
struct socket *sk_socket;
void *sk_user_data;
generated by cgit v0.10.2 at 2024-08-22 14:52:05 (GMT)