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path: root/drivers/s390/net/qeth_l3_main.c
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Diffstat (limited to 'drivers/s390/net/qeth_l3_main.c')
-rw-r--r--drivers/s390/net/qeth_l3_main.c43
1 files changed, 19 insertions, 24 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 5bf5129ddcd4..2dd99f103671 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1939,12 +1939,13 @@ static u8 qeth_l3_cast_type_to_flag(int cast_type)
static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue,
struct qeth_hdr *hdr, struct sk_buff *skb,
- int ipv, int cast_type, unsigned int data_len)
+ int ipv, unsigned int data_len)
{
struct qeth_hdr_layer3 *l3_hdr = &hdr->hdr.l3;
struct vlan_ethhdr *veth = vlan_eth_hdr(skb);
struct qeth_card *card = queue->card;
struct dst_entry *dst;
+ int cast_type;
hdr->hdr.l3.length = data_len;
@@ -1981,25 +1982,22 @@ static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue,
hdr->hdr.l3.vlan_id = ntohs(veth->h_vlan_TCI);
}
- l3_hdr->flags = qeth_l3_cast_type_to_flag(cast_type);
-
- /* OSA only: */
- if (!ipv) {
- l3_hdr->flags |= QETH_HDR_PASSTHRU;
- return;
- }
-
rcu_read_lock();
dst = qeth_dst_check_rcu(skb, ipv);
+ if (IS_IQD(card) && skb_get_queue_mapping(skb) != QETH_IQD_MCAST_TXQ)
+ cast_type = RTN_UNICAST;
+ else
+ cast_type = qeth_l3_get_cast_type_rcu(skb, dst, ipv);
+ l3_hdr->flags |= qeth_l3_cast_type_to_flag(cast_type);
+
if (ipv == 4) {
struct rtable *rt = (struct rtable *) dst;
*((__be32 *) &hdr->hdr.l3.next_hop.ipv4.addr) = (rt) ?
rt_nexthop(rt, ip_hdr(skb)->daddr) :
ip_hdr(skb)->daddr;
- } else {
- /* IPv6 */
+ } else if (ipv == 6) {
struct rt6_info *rt = (struct rt6_info *) dst;
if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
@@ -2010,6 +2008,9 @@ static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue,
hdr->hdr.l3.flags |= QETH_HDR_IPV6;
if (!IS_IQD(card))
hdr->hdr.l3.flags |= QETH_HDR_PASSTHRU;
+ } else {
+ /* OSA only: */
+ l3_hdr->flags |= QETH_HDR_PASSTHRU;
}
rcu_read_unlock();
}
@@ -2029,7 +2030,7 @@ static void qeth_l3_fixup_headers(struct sk_buff *skb)
}
static int qeth_l3_xmit(struct qeth_card *card, struct sk_buff *skb,
- struct qeth_qdio_out_q *queue, int ipv, int cast_type)
+ struct qeth_qdio_out_q *queue, int ipv)
{
unsigned int hw_hdr_len;
int rc;
@@ -2043,7 +2044,7 @@ static int qeth_l3_xmit(struct qeth_card *card, struct sk_buff *skb,
skb_pull(skb, ETH_HLEN);
qeth_l3_fixup_headers(skb);
- return qeth_xmit(card, skb, queue, ipv, cast_type, qeth_l3_fill_header);
+ return qeth_xmit(card, skb, queue, ipv, qeth_l3_fill_header);
}
static netdev_tx_t qeth_l3_hard_start_xmit(struct sk_buff *skb,
@@ -2054,7 +2055,7 @@ static netdev_tx_t qeth_l3_hard_start_xmit(struct sk_buff *skb,
int ipv = qeth_get_ip_version(skb);
struct qeth_qdio_out_q *queue;
int tx_bytes = skb->len;
- int cast_type, rc;
+ int rc;
if (IS_IQD(card)) {
queue = card->qdio.out_qs[qeth_iqd_translate_txq(dev, txq)];
@@ -2065,24 +2066,18 @@ static netdev_tx_t qeth_l3_hard_start_xmit(struct sk_buff *skb,
(card->options.cq == QETH_CQ_ENABLED &&
skb->protocol != htons(ETH_P_AF_IUCV)))
goto tx_drop;
-
- if (txq == QETH_IQD_MCAST_TXQ)
- cast_type = qeth_l3_get_cast_type(skb);
- else
- cast_type = RTN_UNICAST;
} else {
queue = card->qdio.out_qs[txq];
- cast_type = qeth_l3_get_cast_type(skb);
}
- if (cast_type == RTN_BROADCAST && !card->info.broadcast_capable)
+ if (!(dev->flags & IFF_BROADCAST) &&
+ qeth_l3_get_cast_type(skb) == RTN_BROADCAST)
goto tx_drop;
if (ipv == 4 || IS_IQD(card))
- rc = qeth_l3_xmit(card, skb, queue, ipv, cast_type);
+ rc = qeth_l3_xmit(card, skb, queue, ipv);
else
- rc = qeth_xmit(card, skb, queue, ipv, cast_type,
- qeth_l3_fill_header);
+ rc = qeth_xmit(card, skb, queue, ipv, qeth_l3_fill_header);
if (!rc) {
QETH_TXQ_STAT_INC(queue, tx_packets);