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[NET]: Store skb->timestamp as offset to a base timestamp 

Reduces skb size by 8 bytes on 64-bit.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2005-08-14 17:24:31 -07:00 committed by David S. Miller
parent 25ed891019
commit a61bbcf28a
39 changed files with 172 additions and 88 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/atm/ambassador.c
View File

@ -513,7 +513,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) {
// VC layer stats
atomic_inc(&atm_vcc->stats->rx);
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
// end of our responsability
atm_vcc->push (atm_vcc, skb);
return;

2
drivers/atm/atmtcp.c
View File

@ -325,7 +325,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
result = -ENOBUFS;
goto done;
}
do_gettimeofday(&new_skb->stamp);
__net_timestamp(new_skb);
memcpy(skb_put(new_skb,skb->len),skb->data,skb->len);
out_vcc->push(out_vcc,new_skb);
atomic_inc(&vcc->stats->tx);

2
drivers/atm/eni.c
View File

@ -537,7 +537,7 @@ static int rx_aal0(struct atm_vcc *vcc)
return 0;
}
skb_put(skb,length);
skb->stamp = eni_vcc->timestamp;
skb_set_timestamp(skb, &eni_vcc->timestamp);
DPRINTK("got len %ld\n",length);
if (do_rx_dma(vcc,skb,1,length >> 2,length >> 2)) return 1;
eni_vcc->rxing++;

2
drivers/atm/firestream.c
View File

@ -815,7 +815,7 @@ static void process_incoming (struct fs_dev *dev, struct queue *q)
skb_put (skb, qe->p1 & 0xffff);
ATM_SKB(skb)->vcc = atm_vcc;
atomic_inc(&atm_vcc->stats->rx);
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
fs_dprintk (FS_DEBUG_ALLOC, "Free rec-skb: %p (pushed)\n", skb);
atm_vcc->push (atm_vcc, skb);
fs_dprintk (FS_DEBUG_ALLOC, "Free rec-d: %p\n", pe);

2
drivers/atm/fore200e.c
View File

@ -1176,7 +1176,7 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp
return -ENOMEM;
}
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
#ifdef FORE200E_52BYTE_AAL0_SDU
if (cell_header) {

2
drivers/atm/he.c
View File

@ -1886,7 +1886,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
if (rx_skb_reserve > 0)
skb_reserve(skb, rx_skb_reserve);
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
for (iov = he_vcc->iov_head;
iov < he_vcc->iov_tail; ++iov) {

2
drivers/atm/horizon.c
View File

@ -1034,7 +1034,7 @@ static void rx_schedule (hrz_dev * dev, int irq) {
struct atm_vcc * vcc = ATM_SKB(skb)->vcc;
// VC layer stats
atomic_inc(&vcc->stats->rx);
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
// end of our responsability
vcc->push (vcc, skb);
}

8
drivers/atm/idt77252.c
View File

@ -1101,7 +1101,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
cell, ATM_CELL_PAYLOAD);
ATM_SKB(sb)->vcc = vcc;
do_gettimeofday(&sb->stamp);
__net_timestamp(sb);
vcc->push(vcc, sb);
atomic_inc(&vcc->stats->rx);
@ -1179,7 +1179,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
skb_trim(skb, len);
ATM_SKB(skb)->vcc = vcc;
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
vcc->push(vcc, skb);
atomic_inc(&vcc->stats->rx);
@ -1201,7 +1201,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe)
skb_trim(skb, len);
ATM_SKB(skb)->vcc = vcc;
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
vcc->push(vcc, skb);
atomic_inc(&vcc->stats->rx);
@ -1340,7 +1340,7 @@ idt77252_rx_raw(struct idt77252_dev *card)
ATM_CELL_PAYLOAD);
ATM_SKB(sb)->vcc = vcc;
do_gettimeofday(&sb->stamp);
__net_timestamp(sb);
vcc->push(vcc, sb);
atomic_inc(&vcc->stats->rx);

2
drivers/atm/lanai.c
View File

@ -1427,7 +1427,7 @@ static void vcc_rx_aal5(struct lanai_vcc *lvcc, int endptr)
skb_put(skb, size);
vcc_rx_memcpy(skb->data, lvcc, size);
ATM_SKB(skb)->vcc = lvcc->rx.atmvcc;
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
lvcc->rx.atmvcc->push(lvcc->rx.atmvcc, skb);
atomic_inc(&lvcc->rx.atmvcc->stats->rx);
out:

10
drivers/atm/nicstar.c
View File

@ -2213,7 +2213,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe)
memcpy(sb->tail, cell, ATM_CELL_PAYLOAD);
skb_put(sb, ATM_CELL_PAYLOAD);
ATM_SKB(sb)->vcc = vcc;
do_gettimeofday(&sb->stamp);
__net_timestamp(sb);
vcc->push(vcc, sb);
atomic_inc(&vcc->stats->rx);
cell += ATM_CELL_PAYLOAD;
@ -2346,7 +2346,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe)
skb->destructor = ns_sb_destructor;
#endif /* NS_USE_DESTRUCTORS */
ATM_SKB(skb)->vcc = vcc;
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
vcc->push(vcc, skb);
atomic_inc(&vcc->stats->rx);
}
@ -2373,7 +2373,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe)
sb->destructor = ns_sb_destructor;
#endif /* NS_USE_DESTRUCTORS */
ATM_SKB(sb)->vcc = vcc;
do_gettimeofday(&sb->stamp);
__net_timestamp(sb);
vcc->push(vcc, sb);
atomic_inc(&vcc->stats->rx);
}
@ -2398,7 +2398,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe)
memcpy(skb->data, sb->data, NS_SMBUFSIZE);
skb_put(skb, len - NS_SMBUFSIZE);
ATM_SKB(skb)->vcc = vcc;
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
vcc->push(vcc, skb);
atomic_inc(&vcc->stats->rx);
}
@ -2505,7 +2505,7 @@ static void dequeue_rx(ns_dev *card, ns_rsqe *rsqe)
#ifdef NS_USE_DESTRUCTORS
hb->destructor = ns_hb_destructor;
#endif /* NS_USE_DESTRUCTORS */
do_gettimeofday(&hb->stamp);
__net_timestamp(hb);
vcc->push(vcc, hb);
atomic_inc(&vcc->stats->rx);
}

2
drivers/atm/zatm.c
View File

@ -400,7 +400,7 @@ unsigned long *x;
EVENT("error code 0x%x/0x%x\n",(here[3] & uPD98401_AAL5_ES) >>
uPD98401_AAL5_ES_SHIFT,error);
skb = ((struct rx_buffer_head *) bus_to_virt(here[2]))->skb;
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
#if 0
printk("[-3..0] 0x%08lx 0x%08lx 0x%08lx 0x%08lx\n",((unsigned *) skb->data)[-3],
((unsigned *) skb->data)[-2],((unsigned *) skb->data)[-1],

47
include/linux/skbuff.h
View File

@ -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)
{

2
include/net/bluetooth/hci_core.h
View File

@ -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);

9
include/net/neighbour.h
View File

@ -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

13
include/net/sock.h
View File

@ -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;
}
/**

2
net/bluetooth/hci_core.c
View File

@ -999,7 +999,7 @@ static int hci_send_frame(struct sk_buff *skb)
if (atomic_read(&hdev->promisc)) {
/* Time stamp */
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
hci_send_to_sock(hdev, skb);
}

2
net/bluetooth/hci_event.c
View File

@ -1087,7 +1087,7 @@ void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
memcpy(ev->data, data, dlen);
bt_cb(skb)->incoming = 1;
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
skb->dev = (void *) hdev;

8
net/bluetooth/hci_sock.c
View File

@ -332,8 +332,12 @@ static inline void hci_sock_cmsg(struct sock *sk, struct msghdr *msg, struct sk_
put_cmsg(msg, SOL_HCI, HCI_CMSG_DIR, sizeof(incoming), &incoming);
}
if (mask & HCI_CMSG_TSTAMP)
put_cmsg(msg, SOL_HCI, HCI_CMSG_TSTAMP, sizeof(skb->stamp), &skb->stamp);
if (mask & HCI_CMSG_TSTAMP) {
struct timeval tv;
skb_get_timestamp(skb, &tv);
put_cmsg(msg, SOL_HCI, HCI_CMSG_TSTAMP, sizeof(tv), &tv);
}
}
static int hci_sock_recvmsg(struct kiocb *iocb, struct socket *sock,

2
net/bridge/netfilter/ebt_ulog.c
View File

@ -162,7 +162,7 @@ static void ebt_ulog(const struct sk_buff *skb, unsigned int hooknr,
pm->version = EBT_ULOG_VERSION;
do_gettimeofday(&pm->stamp);
if (ub->qlen == 1)
ub->skb->stamp = pm->stamp;
skb_set_timestamp(ub->skb, &pm->stamp);
pm->data_len = copy_len;
pm->mark = skb->nfmark;
pm->hook = hooknr;

28
net/core/dev.c
View File

@ -1009,13 +1009,22 @@ void net_disable_timestamp(void)
atomic_dec(&netstamp_needed);
}
static inline void net_timestamp(struct timeval *stamp)
void __net_timestamp(struct sk_buff *skb)
{
struct timeval tv;
do_gettimeofday(&tv);
skb_set_timestamp(skb, &tv);
}
EXPORT_SYMBOL(__net_timestamp);
static inline void net_timestamp(struct sk_buff *skb)
{
if (atomic_read(&netstamp_needed))
do_gettimeofday(stamp);
__net_timestamp(skb);
else {
stamp->tv_sec = 0;
stamp->tv_usec = 0;
skb->tstamp.off_sec = 0;
skb->tstamp.off_usec = 0;
}
}
@ -1027,7 +1036,8 @@ static inline void net_timestamp(struct timeval *stamp)
void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
{
struct packet_type *ptype;
net_timestamp(&skb->stamp);
net_timestamp(skb);
rcu_read_lock();
list_for_each_entry_rcu(ptype, &ptype_all, list) {
@ -1379,8 +1389,8 @@ int netif_rx(struct sk_buff *skb)
if (netpoll_rx(skb))
return NET_RX_DROP;
if (!skb->stamp.tv_sec)
net_timestamp(&skb->stamp);
if (!skb->tstamp.off_sec)
net_timestamp(skb);
/*
* The code is rearranged so that the path is the most
@ -1566,8 +1576,8 @@ int netif_receive_skb(struct sk_buff *skb)
if (skb->dev->poll && netpoll_rx(skb))
return NET_RX_DROP;
if (!skb->stamp.tv_sec)
net_timestamp(&skb->stamp);
if (!skb->tstamp.off_sec)
net_timestamp(skb);
if (!skb->input_dev)
skb->input_dev = skb->dev;

7
net/core/neighbour.c
View File

@ -1217,7 +1217,7 @@ static void neigh_proxy_process(unsigned long arg)
while (skb != (struct sk_buff *)&tbl->proxy_queue) {
struct sk_buff *back = skb;
long tdif = back->stamp.tv_usec - now;
long tdif = NEIGH_CB(back)->sched_next - now;
skb = skb->next;
if (tdif <= 0) {
@ -1248,8 +1248,9 @@ void pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p,
kfree_skb(skb);
return;
}
skb->stamp.tv_sec = LOCALLY_ENQUEUED;
skb->stamp.tv_usec = sched_next;
NEIGH_CB(skb)->sched_next = sched_next;
NEIGH_CB(skb)->flags |= LOCALLY_ENQUEUED;
spin_lock(&tbl->proxy_queue.lock);
if (del_timer(&tbl->proxy_timer)) {

8
net/core/skbuff.c
View File

@ -70,6 +70,8 @@
static kmem_cache_t *skbuff_head_cache;
struct timeval __read_mostly skb_tv_base;
/*
* Keep out-of-line to prevent kernel bloat.
* __builtin_return_address is not used because it is not always
@ -331,7 +333,7 @@ struct sk_buff *skb_clone(struct sk_buff *skb, unsigned int __nocast gfp_mask)
n->next = n->prev = NULL;
n->sk = NULL;
C(stamp);
C(tstamp);
C(dev);
C(h);
C(nh);
@ -408,7 +410,7 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
memcpy(new->cb, old->cb, sizeof(old->cb));
new->local_df = old->local_df;
new->pkt_type = old->pkt_type;
new->stamp = old->stamp;
new->tstamp = old->tstamp;
new->destructor = NULL;
#ifdef CONFIG_NETFILTER
new->nfmark = old->nfmark;
@ -1645,6 +1647,7 @@ void __init skb_init(void)
NULL, NULL);
if (!skbuff_head_cache)
panic("cannot create skbuff cache");
do_gettimeofday(&skb_tv_base);
}
EXPORT_SYMBOL(___pskb_trim);
@ -1678,3 +1681,4 @@ EXPORT_SYMBOL(skb_prepare_seq_read);
EXPORT_SYMBOL(skb_seq_read);
EXPORT_SYMBOL(skb_abort_seq_read);
EXPORT_SYMBOL(skb_find_text);
EXPORT_SYMBOL(skb_tv_base);

2
net/econet/af_econet.c
View File

@ -159,7 +159,7 @@ static int econet_recvmsg(struct kiocb *iocb, struct socket *sock,
err = memcpy_toiovec(msg->msg_iov, skb->data, copied);
if (err)
goto out_free;
sk->sk_stamp = skb->stamp;
skb_get_timestamp(skb, &sk->sk_stamp);
if (msg->msg_name)
memcpy(msg->msg_name, skb->cb, msg->msg_namelen);

4
net/ipv4/arp.c
View File

@ -865,7 +865,7 @@ static int arp_process(struct sk_buff *skb)
if (n)
neigh_release(n);
if (skb->stamp.tv_sec == LOCALLY_ENQUEUED ||
if (NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED ||
skb->pkt_type == PACKET_HOST ||
in_dev->arp_parms->proxy_delay == 0) {
arp_send(ARPOP_REPLY,ETH_P_ARP,sip,dev,tip,sha,dev->dev_addr,sha);
@ -948,6 +948,8 @@ int arp_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,
if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
goto out_of_mem;
memset(NEIGH_CB(skb), 0, sizeof(struct neighbour_cb));
return NF_HOOK(NF_ARP, NF_ARP_IN, skb, dev, NULL, arp_process);
freeskb:

4
net/ipv4/ip_fragment.c
View File

@ -533,7 +533,7 @@ static void ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
if (skb->dev)
qp->iif = skb->dev->ifindex;
skb->dev = NULL;
qp->stamp = skb->stamp;
skb_get_timestamp(skb, &qp->stamp);
qp->meat += skb->len;
atomic_add(skb->truesize, &ip_frag_mem);
if (offset == 0)
@ -615,7 +615,7 @@ static struct sk_buff *ip_frag_reasm(struct ipq *qp, struct net_device *dev)
head->next = NULL;
head->dev = dev;
head->stamp = qp->stamp;
skb_set_timestamp(head, &qp->stamp);
iph = head->nh.iph;
iph->frag_off = 0;

4
net/ipv4/netfilter/ip_queue.c
View File

@ -240,8 +240,8 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
pmsg->packet_id = (unsigned long )entry;
pmsg->data_len = data_len;
pmsg->timestamp_sec = entry->skb->stamp.tv_sec;
pmsg->timestamp_usec = entry->skb->stamp.tv_usec;
pmsg->timestamp_sec = skb_tv_base.tv_sec + entry->skb->tstamp.off_sec;
pmsg->timestamp_usec = skb_tv_base.tv_usec + entry->skb->tstamp.off_usec;
pmsg->mark = entry->skb->nfmark;
pmsg->hook = entry->info->hook;
pmsg->hw_protocol = entry->skb->protocol;

8
net/ipv4/netfilter/ipt_ULOG.c
View File

@ -220,13 +220,13 @@ static void ipt_ulog_packet(unsigned int hooknum,
pm = NLMSG_DATA(nlh);
/* We might not have a timestamp, get one */
if (skb->stamp.tv_sec == 0)
do_gettimeofday((struct timeval *)&skb->stamp);
if (skb->tstamp.off_sec == 0)
__net_timestamp((struct sk_buff *)skb);
/* copy hook, prefix, timestamp, payload, etc. */
pm->data_len = copy_len;
pm->timestamp_sec = skb->stamp.tv_sec;
pm->timestamp_usec = skb->stamp.tv_usec;
pm->timestamp_sec = skb_tv_base.tv_sec + skb->tstamp.off_sec;
pm->timestamp_usec = skb_tv_base.tv_usec + skb->tstamp.off_usec;
pm->mark = skb->nfmark;
pm->hook = hooknum;
if (prefix != NULL)

10
net/ipv4/tcp_input.c
View File

@ -2097,9 +2097,13 @@ static int tcp_clean_rtx_queue(struct sock *sk, __s32 *seq_rtt_p, s32 *seq_usrtt
seq_rtt = -1;
} else if (seq_rtt < 0)
seq_rtt = now - scb->when;
if (seq_usrtt)
*seq_usrtt = (usnow.tv_sec - skb->stamp.tv_sec) * 1000000
+ (usnow.tv_usec - skb->stamp.tv_usec);
if (seq_usrtt) {
struct timeval tv;
skb_get_timestamp(skb, &tv);
*seq_usrtt = (usnow.tv_sec - tv.tv_sec) * 1000000
+ (usnow.tv_usec - tv.tv_usec);
}
if (sacked & TCPCB_SACKED_ACKED)
tp->sacked_out -= tcp_skb_pcount(skb);

4
net/ipv4/tcp_output.c
View File

@ -282,7 +282,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb)
/* If congestion control is doing timestamping */
if (icsk->icsk_ca_ops->rtt_sample)
do_gettimeofday(&skb->stamp);
__net_timestamp(skb);
sysctl_flags = 0;
if (tcb->flags & TCPCB_FLAG_SYN) {
@ -483,7 +483,7 @@ static int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned
* skbs, which it never sent before. --ANK
*/
TCP_SKB_CB(buff)->when = TCP_SKB_CB(skb)->when;
buff->stamp = skb->stamp;
buff->tstamp = skb->tstamp;
if (TCP_SKB_CB(skb)->sacked & TCPCB_LOST) {
tp->lost_out -= tcp_skb_pcount(skb);

4
net/ipv6/ndisc.c
View File

@ -812,7 +812,7 @@ static void ndisc_recv_ns(struct sk_buff *skb)
if (ipv6_chk_acast_addr(dev, &msg->target) ||
(idev->cnf.forwarding &&
pneigh_lookup(&nd_tbl, &msg->target, dev, 0))) {
if (skb->stamp.tv_sec != LOCALLY_ENQUEUED &&
if (!(NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED) &&
skb->pkt_type != PACKET_HOST &&
inc != 0 &&
idev->nd_parms->proxy_delay != 0) {
@ -1487,6 +1487,8 @@ int ndisc_rcv(struct sk_buff *skb)
return 0;
}
memset(NEIGH_CB(skb), 0, sizeof(struct neighbour_cb));
switch (msg->icmph.icmp6_type) {
case NDISC_NEIGHBOUR_SOLICITATION:
ndisc_recv_ns(skb);

4
net/ipv6/netfilter/ip6_queue.c
View File

@ -238,8 +238,8 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
pmsg->packet_id = (unsigned long )entry;
pmsg->data_len = data_len;
pmsg->timestamp_sec = entry->skb->stamp.tv_sec;
pmsg->timestamp_usec = entry->skb->stamp.tv_usec;
pmsg->timestamp_sec = skb_tv_base.tv_sec + entry->skb->tstamp.off_sec;
pmsg->timestamp_usec = skb_tv_base.tv_usec + entry->skb->tstamp.off_usec;
pmsg->mark = entry->skb->nfmark;
pmsg->hook = entry->info->hook;
pmsg->hw_protocol = entry->skb->protocol;

4
net/ipv6/reassembly.c
View File

@ -562,7 +562,7 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
if (skb->dev)
fq->iif = skb->dev->ifindex;
skb->dev = NULL;
fq->stamp = skb->stamp;
skb_get_timestamp(skb, &fq->stamp);
fq->meat += skb->len;
atomic_add(skb->truesize, &ip6_frag_mem);
@ -664,7 +664,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff **skb_in,
head->next = NULL;
head->dev = dev;
head->stamp = fq->stamp;
skb_set_timestamp(head, &fq->stamp);
head->nh.ipv6h->payload_len = htons(payload_len);
*skb_in = head;

4
net/ipx/af_ipx.c
View File

@ -1796,8 +1796,8 @@ static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
copied);
if (rc)
goto out_free;
if (skb->stamp.tv_sec)
sk->sk_stamp = skb->stamp;
if (skb->tstamp.off_sec)
skb_get_timestamp(skb, &sk->sk_stamp)
msg->msg_namelen = sizeof(*sipx);

6
net/netfilter/nfnetlink_log.c
View File

@ -491,11 +491,11 @@ __build_packet_message(struct nfulnl_instance *inst,
NFA_PUT(inst->skb, NFULA_HWADDR, sizeof(phw), &phw);
}
if (skb->stamp.tv_sec) {
if (skb->tstamp.off_sec) {
struct nfulnl_msg_packet_timestamp ts;
ts.sec = cpu_to_be64(skb->stamp.tv_sec);
ts.usec = cpu_to_be64(skb->stamp.tv_usec);
ts.sec = cpu_to_be64(skb_tv_base.tv_sec + skb->tstamp.off_sec);
ts.usec = cpu_to_be64(skb_tv_base.tv_usec + skb->tstamp.off_usec);
NFA_PUT(inst->skb, NFULA_TIMESTAMP, sizeof(ts), &ts);
}

6
net/netfilter/nfnetlink_queue.c
View File

@ -494,11 +494,11 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
NFA_PUT(skb, NFQA_HWADDR, sizeof(phw), &phw);
}
if (entry->skb->stamp.tv_sec) {
if (entry->skb->tstamp.off_sec) {
struct nfqnl_msg_packet_timestamp ts;
ts.sec = htonll(entry->skb->stamp.tv_sec);
ts.usec = htonll(entry->skb->stamp.tv_usec);
ts.sec = htonll(skb_tv_base.tv_sec + entry->skb->tstamp.off_sec);
ts.usec = htonll(skb_tv_base.tv_usec + entry->skb->tstamp.off_usec);
NFA_PUT(skb, NFQA_TIMESTAMP, sizeof(ts), &ts);
}

8
net/packet/af_packet.c
View File

@ -635,12 +635,12 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
h->tp_snaplen = snaplen;
h->tp_mac = macoff;
h->tp_net = netoff;
if (skb->stamp.tv_sec == 0) {
do_gettimeofday(&skb->stamp);
if (skb->tstamp.off_sec == 0) {
__net_timestamp(skb);
sock_enable_timestamp(sk);
}
h->tp_sec = skb->stamp.tv_sec;
h->tp_usec = skb->stamp.tv_usec;
h->tp_sec = skb_tv_base.tv_sec + skb->tstamp.off_sec;
h->tp_usec = skb_tv_base.tv_usec + skb->tstamp.off_usec;
sll = (struct sockaddr_ll*)((u8*)h + TPACKET_ALIGN(sizeof(*h)));
sll->sll_halen = 0;

4
net/sctp/input.c
View File

@ -236,8 +236,8 @@ int sctp_rcv(struct sk_buff *skb)
}
/* SCTP seems to always need a timestamp right now (FIXME) */
if (skb->stamp.tv_sec == 0) {
do_gettimeofday(&skb->stamp);
if (skb->tstamp.off_sec == 0) {
__net_timestamp(skb);
sock_enable_timestamp(sk);
}

9
net/sctp/sm_make_chunk.c
View File

@ -1362,6 +1362,7 @@ struct sctp_association *sctp_unpack_cookie(
char *key;
sctp_scope_t scope;
struct sk_buff *skb = chunk->skb;
struct timeval tv;
headersize = sizeof(sctp_chunkhdr_t) + SCTP_SECRET_SIZE;
bodysize = ntohs(chunk->chunk_hdr->length) - headersize;
@ -1434,7 +1435,8 @@ no_hmac:
* an association, there is no need to check cookie's expiration
* for init collision case of lost COOKIE ACK.
*/
if (!asoc && tv_lt(bear_cookie->expiration, skb->stamp)) {
skb_get_timestamp(skb, &tv);
if (!asoc && tv_lt(bear_cookie->expiration, tv)) {
__u16 len;
/*
* Section 3.3.10.3 Stale Cookie Error (3)
@ -1447,10 +1449,9 @@ no_hmac:
len = ntohs(chunk->chunk_hdr->length);
*errp = sctp_make_op_error_space(asoc, chunk, len);
if (*errp) {
suseconds_t usecs = (skb->stamp.tv_sec -
suseconds_t usecs = (tv.tv_sec -
bear_cookie->expiration.tv_sec) * 1000000L +
skb->stamp.tv_usec -
bear_cookie->expiration.tv_usec;
tv.tv_usec - bear_cookie->expiration.tv_usec;
usecs = htonl(usecs);
sctp_init_cause(*errp, SCTP_ERROR_STALE_COOKIE,

11
net/sunrpc/svcsock.c
View File

@ -584,13 +584,16 @@ svc_udp_recvfrom(struct svc_rqst *rqstp)
/* possibly an icmp error */
dprintk("svc: recvfrom returned error %d\n", -err);
}
if (skb->stamp.tv_sec == 0) {
skb->stamp.tv_sec = xtime.tv_sec;
skb->stamp.tv_usec = xtime.tv_nsec / NSEC_PER_USEC;
if (skb->tstamp.off_sec == 0) {
struct timeval tv;
tv.tv_sec = xtime.tv_sec;
tv.tv_usec = xtime.tv_nsec * 1000;
skb_set_timestamp(skb, &tv);
/* Don't enable netstamp, sunrpc doesn't
need that much accuracy */
}
svsk->sk_sk->sk_stamp = skb->stamp;
skb_get_timestamp(skb, &svsk->sk_sk->sk_stamp);
set_bit(SK_DATA, &svsk->sk_flags); /* there may be more data... */
/*