net: Abstract dst->neighbour accesses behind helpers.
dst_{get,set}_neighbour()
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index fd69da3..e2c9ac5 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -2742,9 +2742,14 @@
int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
{
int cast_type = RTN_UNSPEC;
+ struct neighbour *n = NULL;
+ struct dst_entry *dst;
- if (skb_dst(skb) && skb_dst(skb)->neighbour) {
- cast_type = skb_dst(skb)->neighbour->type;
+ dst = skb_dst(skb);
+ if (dst)
+ n = dst_get_neighbour(dst);
+ if (n) {
+ cast_type = n->type;
if ((cast_type == RTN_BROADCAST) ||
(cast_type == RTN_MULTICAST) ||
(cast_type == RTN_ANYCAST))
@@ -2787,6 +2792,9 @@
static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
struct sk_buff *skb, int ipv, int cast_type)
{
+ struct neighbour *n = NULL;
+ struct dst_entry *dst;
+
memset(hdr, 0, sizeof(struct qeth_hdr));
hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3;
hdr->hdr.l3.ext_flags = 0;
@@ -2804,13 +2812,16 @@
}
hdr->hdr.l3.length = skb->len - sizeof(struct qeth_hdr);
+ dst = skb_dst(skb);
+ if (dst)
+ n = dst_get_neighbour(dst);
if (ipv == 4) {
/* IPv4 */
hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags4(cast_type);
memset(hdr->hdr.l3.dest_addr, 0, 12);
- if ((skb_dst(skb)) && (skb_dst(skb)->neighbour)) {
+ if (n) {
*((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
- *((u32 *) skb_dst(skb)->neighbour->primary_key);
+ *((u32 *) n->primary_key);
} else {
/* fill in destination address used in ip header */
*((u32 *) (&hdr->hdr.l3.dest_addr[12])) =
@@ -2821,9 +2832,9 @@
hdr->hdr.l3.flags = qeth_l3_get_qeth_hdr_flags6(cast_type);
if (card->info.type == QETH_CARD_TYPE_IQD)
hdr->hdr.l3.flags &= ~QETH_HDR_PASSTHRU;
- if ((skb_dst(skb)) && (skb_dst(skb)->neighbour)) {
+ if (n) {
memcpy(hdr->hdr.l3.dest_addr,
- skb_dst(skb)->neighbour->primary_key, 16);
+ n->primary_key, 16);
} else {
/* fill in destination address used in ip header */
memcpy(hdr->hdr.l3.dest_addr,