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-rw-r--r--include/net/ieee802154_netdev.h43
-rw-r--r--include/net/protocol.h4
-rw-r--r--include/net/sock.h2
-rw-r--r--include/net/tcp.h7
-rw-r--r--include/net/udp.h1
5 files changed, 51 insertions, 6 deletions
diff --git a/include/net/ieee802154_netdev.h b/include/net/ieee802154_netdev.h
index c4b31601c..588c86f67 100644
--- a/include/net/ieee802154_netdev.h
+++ b/include/net/ieee802154_netdev.h
@@ -23,6 +23,22 @@
#ifndef IEEE802154_NETDEVICE_H
#define IEEE802154_NETDEVICE_H
+#define IEEE802154_REQUIRED_SIZE(struct_type, member) \
+ (offsetof(typeof(struct_type), member) + \
+ sizeof(((typeof(struct_type) *)(NULL))->member))
+
+#define IEEE802154_ADDR_OFFSET \
+ offsetof(typeof(struct sockaddr_ieee802154), addr)
+
+#define IEEE802154_MIN_NAMELEN (IEEE802154_ADDR_OFFSET + \
+ IEEE802154_REQUIRED_SIZE(struct ieee802154_addr_sa, addr_type))
+
+#define IEEE802154_NAMELEN_SHORT (IEEE802154_ADDR_OFFSET + \
+ IEEE802154_REQUIRED_SIZE(struct ieee802154_addr_sa, short_addr))
+
+#define IEEE802154_NAMELEN_LONG (IEEE802154_ADDR_OFFSET + \
+ IEEE802154_REQUIRED_SIZE(struct ieee802154_addr_sa, hwaddr))
+
#include <net/af_ieee802154.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
@@ -173,6 +189,33 @@ static inline void ieee802154_devaddr_to_raw(void *raw, __le64 addr)
memcpy(raw, &temp, IEEE802154_ADDR_LEN);
}
+static inline int
+ieee802154_sockaddr_check_size(struct sockaddr_ieee802154 *daddr, int len)
+{
+ struct ieee802154_addr_sa *sa;
+ int ret = 0;
+
+ sa = &daddr->addr;
+ if (len < IEEE802154_MIN_NAMELEN)
+ return -EINVAL;
+ switch (sa->addr_type) {
+ case IEEE802154_ADDR_NONE:
+ break;
+ case IEEE802154_ADDR_SHORT:
+ if (len < IEEE802154_NAMELEN_SHORT)
+ ret = -EINVAL;
+ break;
+ case IEEE802154_ADDR_LONG:
+ if (len < IEEE802154_NAMELEN_LONG)
+ ret = -EINVAL;
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
static inline void ieee802154_addr_from_sa(struct ieee802154_addr *a,
const struct ieee802154_addr_sa *sa)
{
diff --git a/include/net/protocol.h b/include/net/protocol.h
index 4fc75f7ae..312a27393 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -39,8 +39,6 @@
/* This is used to register protocols. */
struct net_protocol {
- int (*early_demux)(struct sk_buff *skb);
- int (*early_demux_handler)(struct sk_buff *skb);
int (*handler)(struct sk_buff *skb);
void (*err_handler)(struct sk_buff *skb, u32 info);
unsigned int no_policy:1,
@@ -54,8 +52,6 @@ struct net_protocol {
#if IS_ENABLED(CONFIG_IPV6)
struct inet6_protocol {
- void (*early_demux)(struct sk_buff *skb);
- void (*early_demux_handler)(struct sk_buff *skb);
int (*handler)(struct sk_buff *skb);
void (*err_handler)(struct sk_buff *skb,
diff --git a/include/net/sock.h b/include/net/sock.h
index 98946f907..30315a03b 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -401,7 +401,7 @@ struct sock {
#ifdef CONFIG_XFRM
struct xfrm_policy __rcu *sk_policy[2];
#endif
- struct dst_entry *sk_rx_dst;
+ struct dst_entry __rcu *sk_rx_dst;
struct dst_entry __rcu *sk_dst_cache;
atomic_t sk_omem_alloc;
int sk_sndbuf;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 436ad4bc9..9a154fe06 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -901,6 +901,8 @@ static inline int tcp_v6_sdif(const struct sk_buff *skb)
#endif
return 0;
}
+
+void tcp_v6_early_demux(struct sk_buff *skb);
#endif
static inline bool inet_exact_dif_match(struct net *net, struct sk_buff *skb)
@@ -1231,11 +1233,14 @@ static inline bool tcp_is_cwnd_limited(const struct sock *sk)
{
const struct tcp_sock *tp = tcp_sk(sk);
+ if (tp->is_cwnd_limited)
+ return true;
+
/* If in slow start, ensure cwnd grows to twice what was ACKed. */
if (tcp_in_slow_start(tp))
return tp->snd_cwnd < 2 * tp->max_packets_out;
- return tp->is_cwnd_limited;
+ return false;
}
/* BBR congestion control needs pacing.
diff --git a/include/net/udp.h b/include/net/udp.h
index 8482a990b..618c83bea 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -173,6 +173,7 @@ typedef struct sock *(*udp_lookup_t)(struct sk_buff *skb, __be16 sport,
struct sk_buff *udp_gro_receive(struct list_head *head, struct sk_buff *skb,
struct udphdr *uh, udp_lookup_t lookup);
int udp_gro_complete(struct sk_buff *skb, int nhoff, udp_lookup_t lookup);
+void udp_v6_early_demux(struct sk_buff *skb);
struct sk_buff *__udp_gso_segment(struct sk_buff *gso_skb,
netdev_features_t features);