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[SK_BUFF]: Introduce skb_reset_transport_header(skb)

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For the common, open coded 'skb->h.raw = skb->data' operation, so that we can
later turn skb->h.raw into a offset, reducing the size of struct sk_buff in
64bit land while possibly keeping it as a pointer on 32bit.

This one touches just the most simple cases:

skb->h.raw = skb->data;
skb->h.raw = {skb_push|[__]skb_pull}()

The next ones will handle the slightly more "complex" cases.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-03-13 13:06:52 -03:00
committed by David S. Miller
parent 0660e03f6b
commit badff6d01a
49 changed files with 82 additions and 73 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/infiniband/hw/cxgb3/iwch_cm.c
+3 -3
View File
@@ -507,7 +507,7 @@ static void send_mpa_req(struct iwch_ep *ep, struct sk_buff *skb)
*/
skb_get(skb);
set_arp_failure_handler(skb, arp_failure_discard);
skb->h.raw = skb->data;
skb_reset_transport_header(skb);
len = skb->len;
req = (struct tx_data_wr *) skb_push(skb, sizeof(*req));
req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_OFLD_TX_DATA));
@@ -559,7 +559,7 @@ static int send_mpa_reject(struct iwch_ep *ep, const void *pdata, u8 plen)
skb_get(skb);
skb->priority = CPL_PRIORITY_DATA;
set_arp_failure_handler(skb, arp_failure_discard);
skb->h.raw = skb->data;
skb_reset_transport_header(skb);
req = (struct tx_data_wr *) skb_push(skb, sizeof(*req));
req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_OFLD_TX_DATA));
req->wr_lo = htonl(V_WR_TID(ep->hwtid));
@@ -610,7 +610,7 @@ static int send_mpa_reply(struct iwch_ep *ep, const void *pdata, u8 plen)
*/
skb_get(skb);
set_arp_failure_handler(skb, arp_failure_discard);
skb->h.raw = skb->data;
skb_reset_transport_header(skb);
len = skb->len;
req = (struct tx_data_wr *) skb_push(skb, sizeof(*req));
req->wr_hi = htonl(V_WR_OP(FW_WROPCODE_OFLD_TX_DATA));
drivers/net/appletalk/cops.c
+1 -1
View File
@@ -855,7 +855,7 @@ static void cops_rx(struct net_device *dev)
skb_reset_mac_header(skb); /* Point to entire packet. */
skb_pull(skb,3);
skb->h.raw = skb->data; /* Point to data (Skip header). */
skb_reset_transport_header(skb); /* Point to data (Skip header). */
/* Update the counters. */
lp->stats.rx_packets++;
drivers/net/appletalk/ltpc.c
+2 -2
View File
@@ -776,7 +776,7 @@ static int sendup_buffer (struct net_device *dev)
/* copy ddp(s,e)hdr + contents */
memcpy(skb->data,(void*)ltdmabuf,len);
skb->h.raw = skb->data;
skb_reset_transport_header(skb);
stats->rx_packets++;
stats->rx_bytes+=skb->len;
@@ -923,7 +923,7 @@ static int ltpc_xmit(struct sk_buff *skb, struct net_device *dev)
cbuf.laptype = skb->data[2];
skb_pull(skb,3); /* skip past LLAP header */
cbuf.length = skb->len; /* this is host order */
skb->h.raw=skb->data;
skb_reset_transport_header(skb);
if(debug & DEBUG_UPPER) {
printk("command ");
drivers/net/cxgb3/sge.c
+1 -1
View File
@@ -1622,7 +1622,7 @@ static inline int rx_offload(struct t3cdev *tdev, struct sge_rspq *rq,
rq->offload_pkts++;
skb_reset_mac_header(skb);
skb_reset_network_header(skb);
skb->h.raw = skb->data;
skb_reset_transport_header(skb);
if (rq->polling) {
rx_gather[gather_idx++] = skb;