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-rw-r--r--include/linux/if_ether.h4
-rw-r--r--include/linux/isdn_ppp.h2
-rw-r--r--include/linux/netdevice.h77
-rw-r--r--include/linux/notifier.h1
-rw-r--r--include/linux/tcp.h6
-rw-r--r--include/net/inet_hashtables.h4
-rw-r--r--include/net/inetpeer.h16
-rw-r--r--include/net/phonet/pn_dev.h2
-rw-r--r--include/net/sctp/structs.h2
-rw-r--r--include/net/tcp.h3
10 files changed, 81 insertions, 36 deletions
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 580b6004d00..005e1525ab8 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -136,10 +136,6 @@ extern struct ctl_table ether_table[];
extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);
-/*
- * Display a 6 byte device address (MAC) in a readable format.
- */
-extern char *print_mac(char *buf, const unsigned char *addr) __deprecated;
#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
#define MAC_BUF_SIZE 18
#define DECLARE_MAC_BUF(var) char var[MAC_BUF_SIZE]
diff --git a/include/linux/isdn_ppp.h b/include/linux/isdn_ppp.h
index 4c218ee7587..8687a7dc063 100644
--- a/include/linux/isdn_ppp.h
+++ b/include/linux/isdn_ppp.h
@@ -157,7 +157,7 @@ typedef struct {
typedef struct {
int mp_mrru; /* unused */
- struct sk_buff_head frags; /* fragments sl list */
+ struct sk_buff * frags; /* fragments sl list -- use skb->next */
long frames; /* number of frames in the frame list */
unsigned int seq; /* last processed packet seq #: any packets
* with smaller seq # will be dropped
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 083b5989cec..97873e31661 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -63,30 +63,69 @@ struct wireless_dev;
#define HAVE_FREE_NETDEV /* free_netdev() */
#define HAVE_NETDEV_PRIV /* netdev_priv() */
-#define NET_XMIT_SUCCESS 0
-#define NET_XMIT_DROP 1 /* skb dropped */
-#define NET_XMIT_CN 2 /* congestion notification */
-#define NET_XMIT_POLICED 3 /* skb is shot by police */
-#define NET_XMIT_MASK 0xFFFF /* qdisc flags in net/sch_generic.h */
-
/* Backlog congestion levels */
-#define NET_RX_SUCCESS 0 /* keep 'em coming, baby */
-#define NET_RX_DROP 1 /* packet dropped */
+#define NET_RX_SUCCESS 0 /* keep 'em coming, baby */
+#define NET_RX_DROP 1 /* packet dropped */
+
+/*
+ * Transmit return codes: transmit return codes originate from three different
+ * namespaces:
+ *
+ * - qdisc return codes
+ * - driver transmit return codes
+ * - errno values
+ *
+ * Drivers are allowed to return any one of those in their hard_start_xmit()
+ * function. Real network devices commonly used with qdiscs should only return
+ * the driver transmit return codes though - when qdiscs are used, the actual
+ * transmission happens asynchronously, so the value is not propagated to
+ * higher layers. Virtual network devices transmit synchronously, in this case
+ * the driver transmit return codes are consumed by dev_queue_xmit(), all
+ * others are propagated to higher layers.
+ */
+
+/* qdisc ->enqueue() return codes. */
+#define NET_XMIT_SUCCESS 0x00
+#define NET_XMIT_DROP 0x01 /* skb dropped */
+#define NET_XMIT_CN 0x02 /* congestion notification */
+#define NET_XMIT_POLICED 0x03 /* skb is shot by police */
+#define NET_XMIT_MASK 0x0f /* qdisc flags in net/sch_generic.h */
/* NET_XMIT_CN is special. It does not guarantee that this packet is lost. It
* indicates that the device will soon be dropping packets, or already drops
* some packets of the same priority; prompting us to send less aggressively. */
-#define net_xmit_eval(e) ((e) == NET_XMIT_CN? 0 : (e))
+#define net_xmit_eval(e) ((e) == NET_XMIT_CN ? 0 : (e))
#define net_xmit_errno(e) ((e) != NET_XMIT_CN ? -ENOBUFS : 0)
/* Driver transmit return codes */
+#define NETDEV_TX_MASK 0xf0
+
enum netdev_tx {
- NETDEV_TX_OK = 0, /* driver took care of packet */
- NETDEV_TX_BUSY, /* driver tx path was busy*/
- NETDEV_TX_LOCKED = -1, /* driver tx lock was already taken */
+ __NETDEV_TX_MIN = INT_MIN, /* make sure enum is signed */
+ NETDEV_TX_OK = 0x00, /* driver took care of packet */
+ NETDEV_TX_BUSY = 0x10, /* driver tx path was busy*/
+ NETDEV_TX_LOCKED = 0x20, /* driver tx lock was already taken */
};
typedef enum netdev_tx netdev_tx_t;
+/*
+ * Current order: NETDEV_TX_MASK > NET_XMIT_MASK >= 0 is significant;
+ * hard_start_xmit() return < NET_XMIT_MASK means skb was consumed.
+ */
+static inline bool dev_xmit_complete(int rc)
+{
+ /*
+ * Positive cases with an skb consumed by a driver:
+ * - successful transmission (rc == NETDEV_TX_OK)
+ * - error while transmitting (rc < 0)
+ * - error while queueing to a different device (rc & NET_XMIT_MASK)
+ */
+ if (likely(rc < NET_XMIT_MASK))
+ return true;
+
+ return false;
+}
+
#endif
#define MAX_ADDR_LEN 32 /* Largest hardware address length */
@@ -857,7 +896,7 @@ struct net_device {
/* device index hash chain */
struct hlist_node index_hlist;
- struct net_device *link_watch_next;
+ struct list_head link_watch_list;
/* register/unregister state machine */
enum { NETREG_UNINITIALIZED=0,
@@ -1093,6 +1132,16 @@ static inline struct net_device *next_net_device(struct net_device *dev)
return lh == &net->dev_base_head ? NULL : net_device_entry(lh);
}
+static inline struct net_device *next_net_device_rcu(struct net_device *dev)
+{
+ struct list_head *lh;
+ struct net *net;
+
+ net = dev_net(dev);
+ lh = rcu_dereference(dev->dev_list.next);
+ return lh == &net->dev_base_head ? NULL : net_device_entry(lh);
+}
+
static inline struct net_device *first_net_device(struct net *net)
{
return list_empty(&net->dev_base_head) ? NULL :
@@ -1551,6 +1600,7 @@ static inline void dev_hold(struct net_device *dev)
*/
extern void linkwatch_fire_event(struct net_device *dev);
+extern void linkwatch_forget_dev(struct net_device *dev);
/**
* netif_carrier_ok - test if carrier present
@@ -1892,6 +1942,7 @@ extern void netdev_features_change(struct net_device *dev);
extern void dev_load(struct net *net, const char *name);
extern void dev_mcast_init(void);
extern const struct net_device_stats *dev_get_stats(struct net_device *dev);
+extern void dev_txq_stats_fold(const struct net_device *dev, struct net_device_stats *stats);
extern int netdev_max_backlog;
extern int weight_p;
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 29714b8441b..b0c3671d463 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -202,6 +202,7 @@ static inline int notifier_to_errno(int ret)
#define NETDEV_BONDING_OLDTYPE 0x000E
#define NETDEV_BONDING_NEWTYPE 0x000F
#define NETDEV_POST_INIT 0x0010
+#define NETDEV_UNREGISTER_PERNET 0x0011
#define SYS_DOWN 0x0001 /* Notify of system down */
#define SYS_RESTART SYS_DOWN
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index eeecb8547a2..32d7d77b4a0 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -81,6 +81,12 @@ enum {
TCP_DATA_OFFSET = __cpu_to_be32(0xF0000000)
};
+/*
+ * TCP general constants
+ */
+#define TCP_MSS_DEFAULT 536U /* IPv4 (RFC1122, RFC2581) */
+#define TCP_MSS_DESIRED 1220U /* IPv6 (tunneled), EDNS0 (RFC3226) */
+
/* TCP socket options */
#define TCP_NODELAY 1 /* Turn off Nagle's algorithm. */
#define TCP_MAXSEG 2 /* Limit MSS */
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 5b698b3b463..41cbddd25b7 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -92,8 +92,8 @@ static inline struct net *ib_net(struct inet_bind_bucket *ib)
return read_pnet(&ib->ib_net);
}
-#define inet_bind_bucket_for_each(tb, node, head) \
- hlist_for_each_entry(tb, node, head, node)
+#define inet_bind_bucket_for_each(tb, pos, head) \
+ hlist_for_each_entry(tb, pos, head, node)
struct inet_bind_hashbucket {
spinlock_t lock;
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 35ad7b93046..87b1df0d4d8 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -17,15 +17,15 @@ struct inet_peer {
/* group together avl_left,avl_right,v4daddr to speedup lookups */
struct inet_peer *avl_left, *avl_right;
__be32 v4daddr; /* peer's address */
- __u16 avl_height;
- __u16 ip_id_count; /* IP ID for the next packet */
+ __u32 avl_height;
struct list_head unused;
__u32 dtime; /* the time of last use of not
* referenced entries */
atomic_t refcnt;
atomic_t rid; /* Frag reception counter */
+ atomic_t ip_id_count; /* IP ID for the next packet */
__u32 tcp_ts;
- unsigned long tcp_ts_stamp;
+ __u32 tcp_ts_stamp;
};
void inet_initpeers(void) __init;
@@ -36,17 +36,11 @@ struct inet_peer *inet_getpeer(__be32 daddr, int create);
/* can be called from BH context or outside */
extern void inet_putpeer(struct inet_peer *p);
-extern spinlock_t inet_peer_idlock;
/* can be called with or without local BH being disabled */
static inline __u16 inet_getid(struct inet_peer *p, int more)
{
- __u16 id;
-
- spin_lock_bh(&inet_peer_idlock);
- id = p->ip_id_count;
- p->ip_id_count += 1 + more;
- spin_unlock_bh(&inet_peer_idlock);
- return id;
+ more++;
+ return atomic_add_return(more, &p->ip_id_count) - more;
}
#endif /* _NET_INETPEER_H */
diff --git a/include/net/phonet/pn_dev.h b/include/net/phonet/pn_dev.h
index afa7defceb1..d7b989ca3d6 100644
--- a/include/net/phonet/pn_dev.h
+++ b/include/net/phonet/pn_dev.h
@@ -25,7 +25,7 @@
struct phonet_device_list {
struct list_head list;
- spinlock_t lock;
+ struct mutex lock;
};
struct phonet_device_list *phonet_device_list(struct net *net);
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 6e5f0e0c796..cd2e18778f8 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1980,7 +1980,7 @@ void sctp_assoc_set_primary(struct sctp_association *,
void sctp_assoc_del_nonprimary_peers(struct sctp_association *,
struct sctp_transport *);
int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *,
- gfp_t);
+ sctp_scope_t, gfp_t);
int sctp_assoc_set_bind_addr_from_cookie(struct sctp_association *,
struct sctp_cookie*,
gfp_t gfp);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index bf20f88fd03..325bfcf5c93 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -62,9 +62,6 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
/* Minimal accepted MSS. It is (60+60+8) - (20+20). */
#define TCP_MIN_MSS 88U
-/* Minimal RCV_MSS. */
-#define TCP_MIN_RCVMSS 536U
-
/* The least MTU to use for probing */
#define TCP_BASE_MSS 512
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-13 14:26:41 +0000