[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>

24 files changed, 92 insertions, 61 deletions

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 4f9e11b533a..55dc42eac92 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -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);
         }
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 40b219560bb..d6da0939216 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -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;
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index eed9090d77f..32ef7975a13 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -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, 
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 561d75c8ed5..acb888d3258 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -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;
diff --git a/net/core/dev.c b/net/core/dev.c
index 9d153eb1e8c..a3ed53cc4af 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -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;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 1beb782ac41..72ee00f7b30 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -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)) {
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index ef498cb9f78..39a161dbc16 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -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);
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 8f063990555..4a62093eb34 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -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);
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 6eb9c549d64..8bf312bdea1 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -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:
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 1ac64c0c5b3..9e6e683cc34 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -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;
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 1c49833e00a..7f2bcc7198f 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -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;
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index b86f06ec976..1d8ac4595e1 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -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)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index fdd9547fb78..ebb8654e3de 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -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);
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 267b0fcbfc9..8d92ab562ae 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -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);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 7ae72d4c9bd..a7eae30f455 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -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);
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 7ecb91e24a3..446764545b1 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -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;
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 59e7c631787..9d9e04344c7 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -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;
diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 39d5939ccd6..c54f8acc97e 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -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);
 
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 464c9fa2934..ff5601ceedc 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -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);
         }
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 741686ff71d..e3a5285329a 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -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);
         }
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index deb5f6f7f85..ba997095f08 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -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;
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 742be9171b7..28f32243397 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -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); 
         }
 
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 00d32b7c826..3868a8d70cc 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -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,
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 199d3747bd4..05fe2e73553 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -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... */
 
         /*