diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/skbuff.h | 47 | ||||
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 2 | ||||
| -rw-r--r-- | include/net/neighbour.h | 9 | ||||
| -rw-r--r-- | include/net/sock.h | 13 |
4 files changed, 62 insertions, 9 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 60b3215..32635c4 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -155,13 +155,20 @@ struct skb_shared_info { #define SKB_DATAREF_SHIFT 16 #define SKB_DATAREF_MASK ((1 << SKB_DATAREF_SHIFT) - 1) +extern struct timeval skb_tv_base; + +struct skb_timeval { + u32 off_sec; + u32 off_usec; +}; + /** * struct sk_buff - socket buffer * @next: Next buffer in list * @prev: Previous buffer in list * @list: List we are on * @sk: Socket we are owned by - * @stamp: Time we arrived + * @tstamp: Time we arrived stored as offset to skb_tv_base * @dev: Device we arrived on/are leaving by * @input_dev: Device we arrived on * @h: Transport layer header @@ -202,7 +209,7 @@ struct sk_buff { struct sk_buff *prev; struct sock *sk; - struct timeval stamp; + struct skb_timeval tstamp; struct net_device *dev; struct net_device *input_dev; @@ -1213,6 +1220,42 @@ static inline void *skb_header_pointer(const struct sk_buff *skb, int offset, extern void skb_init(void); extern void skb_add_mtu(int mtu); +/** + * skb_get_timestamp - get timestamp from a skb + * @skb: skb to get stamp from + * @stamp: pointer to struct timeval to store stamp in + * + * Timestamps are stored in the skb as offsets to a base timestamp. + * This function converts the offset back to a struct timeval and stores + * it in stamp. + */ +static inline void skb_get_timestamp(struct sk_buff *skb, struct timeval *stamp) +{ + stamp->tv_sec = skb->tstamp.off_sec; + stamp->tv_usec = skb->tstamp.off_usec; + if (skb->tstamp.off_sec) { + stamp->tv_sec += skb_tv_base.tv_sec; + stamp->tv_usec += skb_tv_base.tv_usec; + } +} + +/** + * skb_set_timestamp - set timestamp of a skb + * @skb: skb to set stamp of + * @stamp: pointer to struct timeval to get stamp from + * + * Timestamps are stored in the skb as offsets to a base timestamp. + * This function converts a struct timeval to an offset and stores + * it in the skb. + */ +static inline void skb_set_timestamp(struct sk_buff *skb, struct timeval *stamp) +{ + skb->tstamp.off_sec = stamp->tv_sec - skb_tv_base.tv_sec; + skb->tstamp.off_usec = stamp->tv_usec - skb_tv_base.tv_usec; +} + +extern void __net_timestamp(struct sk_buff *skb); + #ifdef CONFIG_NETFILTER static inline void nf_conntrack_put(struct nf_conntrack *nfct) { diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 6d63a47..7f933f3 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -404,7 +404,7 @@ static inline int hci_recv_frame(struct sk_buff *skb) bt_cb(skb)->incoming = 1; /* Time stamp */ - do_gettimeofday(&skb->stamp); + __net_timestamp(skb); /* Queue frame for rx task */ skb_queue_tail(&hdev->rx_q, skb); diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 8980989..34c0773 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -363,7 +363,14 @@ __neigh_lookup_errno(struct neigh_table *tbl, const void *pkey, return neigh_create(tbl, pkey, dev); } -#define LOCALLY_ENQUEUED -2 +struct neighbour_cb { + unsigned long sched_next; + unsigned int flags; +}; + +#define LOCALLY_ENQUEUED 0x1 + +#define NEIGH_CB(skb) ((struct neighbour_cb *)(skb)->cb) #endif #endif diff --git a/include/net/sock.h b/include/net/sock.h index 065df67..d594288 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1282,16 +1282,19 @@ static inline int sock_intr_errno(long timeo) static __inline__ void sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) { - struct timeval *stamp = &skb->stamp; + struct timeval stamp; + + skb_get_timestamp(skb, &stamp); if (sock_flag(sk, SOCK_RCVTSTAMP)) { /* Race occurred between timestamp enabling and packet receiving. Fill in the current time for now. */ - if (stamp->tv_sec == 0) - do_gettimeofday(stamp); + if (stamp.tv_sec == 0) + do_gettimeofday(&stamp); + skb_set_timestamp(skb, &stamp); put_cmsg(msg, SOL_SOCKET, SO_TIMESTAMP, sizeof(struct timeval), - stamp); + &stamp); } else - sk->sk_stamp = *stamp; + sk->sk_stamp = stamp; } /** |
