sugar/linux
1
0
Fork 0
Code Activity

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

Browse Source 
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
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],