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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.c53
1 files changed, 32 insertions, 21 deletions
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index f804d27eb569..4c9394105138 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1433,7 +1433,7 @@ static void qeth_l3_stop_card(struct qeth_card *card)
}
if (card->state == CARD_STATE_HARDSETUP) {
qeth_qdio_clear_card(card, 0);
- qeth_clear_qdio_buffers(card);
+ qeth_drain_output_queues(card);
qeth_clear_working_pool_list(card);
card->state = CARD_STATE_DOWN;
}
@@ -2036,7 +2036,6 @@ 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)
{
- unsigned char eth_hdr[ETH_HLEN];
unsigned int hw_hdr_len;
int rc;
@@ -2046,45 +2045,44 @@ static int qeth_l3_xmit(struct qeth_card *card, struct sk_buff *skb,
rc = skb_cow_head(skb, hw_hdr_len - ETH_HLEN);
if (rc)
return rc;
- skb_copy_from_linear_data(skb, eth_hdr, ETH_HLEN);
skb_pull(skb, ETH_HLEN);
qeth_l3_fixup_headers(skb);
- rc = qeth_xmit(card, skb, queue, ipv, cast_type, qeth_l3_fill_header);
- if (rc == -EBUSY) {
- /* roll back to ETH header */
- skb_push(skb, ETH_HLEN);
- skb_copy_to_linear_data(skb, eth_hdr, ETH_HLEN);
- }
- return rc;
+ return qeth_xmit(card, skb, queue, ipv, cast_type, qeth_l3_fill_header);
}
static netdev_tx_t qeth_l3_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
- int cast_type = qeth_l3_get_cast_type(skb);
struct qeth_card *card = dev->ml_priv;
+ u16 txq = skb_get_queue_mapping(skb);
int ipv = qeth_get_ip_version(skb);
struct qeth_qdio_out_q *queue;
int tx_bytes = skb->len;
- int rc;
-
- queue = qeth_get_tx_queue(card, skb, ipv, cast_type);
+ int cast_type, rc;
if (IS_IQD(card)) {
+ queue = card->qdio.out_qs[qeth_iqd_translate_txq(dev, txq)];
+
if (card->options.sniffer)
goto tx_drop;
if ((card->options.cq != QETH_CQ_ENABLED && !ipv) ||
(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)
goto tx_drop;
- netif_stop_queue(dev);
-
if (ipv == 4 || IS_IQD(card))
rc = qeth_l3_xmit(card, skb, queue, ipv, cast_type);
else
@@ -2094,16 +2092,12 @@ static netdev_tx_t qeth_l3_hard_start_xmit(struct sk_buff *skb,
if (!rc) {
QETH_TXQ_STAT_INC(queue, tx_packets);
QETH_TXQ_STAT_ADD(queue, tx_bytes, tx_bytes);
- netif_wake_queue(dev);
return NETDEV_TX_OK;
- } else if (rc == -EBUSY) {
- return NETDEV_TX_BUSY;
- } /* else fall through */
+ }
tx_drop:
QETH_TXQ_STAT_INC(queue, tx_dropped);
kfree_skb(skb);
- netif_wake_queue(dev);
return NETDEV_TX_OK;
}
@@ -2147,11 +2141,27 @@ static netdev_features_t qeth_l3_osa_features_check(struct sk_buff *skb,
return qeth_features_check(skb, dev, features);
}
+static u16 qeth_l3_iqd_select_queue(struct net_device *dev, struct sk_buff *skb,
+ struct net_device *sb_dev)
+{
+ return qeth_iqd_select_queue(dev, skb, qeth_l3_get_cast_type(skb),
+ sb_dev);
+}
+
+static u16 qeth_l3_osa_select_queue(struct net_device *dev, struct sk_buff *skb,
+ struct net_device *sb_dev)
+{
+ struct qeth_card *card = dev->ml_priv;
+
+ return qeth_get_priority_queue(card, skb);
+}
+
static const struct net_device_ops qeth_l3_netdev_ops = {
.ndo_open = qeth_open,
.ndo_stop = qeth_stop,
.ndo_get_stats64 = qeth_get_stats64,
.ndo_start_xmit = qeth_l3_hard_start_xmit,
+ .ndo_select_queue = qeth_l3_iqd_select_queue,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_rx_mode = qeth_l3_set_rx_mode,
.ndo_do_ioctl = qeth_do_ioctl,
@@ -2168,6 +2178,7 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = {
.ndo_get_stats64 = qeth_get_stats64,
.ndo_start_xmit = qeth_l3_hard_start_xmit,
.ndo_features_check = qeth_l3_osa_features_check,
+ .ndo_select_queue = qeth_l3_osa_select_queue,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_rx_mode = qeth_l3_set_rx_mode,
.ndo_do_ioctl = qeth_do_ioctl,