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path: root/drivers/s390/net/qeth_main.c
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Diffstat (limited to 'drivers/s390/net/qeth_main.c')
-rw-r--r--drivers/s390/net/qeth_main.c73
1 files changed, 44 insertions, 29 deletions
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index f3e6fbeb212..a2d08c9ba3c 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -160,6 +160,9 @@ qeth_set_multicast_list(struct net_device *);
static void
qeth_setadp_promisc_mode(struct qeth_card *);
+static int
+qeth_hard_header_parse(const struct sk_buff *skb, unsigned char *haddr);
+
static void
qeth_notify_processes(void)
{
@@ -820,14 +823,15 @@ __qeth_delete_all_mc(struct qeth_card *card, unsigned long *flags)
again:
list_for_each_entry_safe(addr, tmp, &card->ip_list, entry) {
if (addr->is_multicast) {
+ list_del(&addr->entry);
spin_unlock_irqrestore(&card->ip_lock, *flags);
rc = qeth_deregister_addr_entry(card, addr);
spin_lock_irqsave(&card->ip_lock, *flags);
if (!rc) {
- list_del(&addr->entry);
kfree(addr);
goto again;
- }
+ } else
+ list_add(&addr->entry, &card->ip_list);
}
}
}
@@ -2698,10 +2702,15 @@ qeth_process_inbound_buffer(struct qeth_card *card,
qeth_layer2_rebuild_skb(card, skb, hdr);
else if (hdr->hdr.l3.id == QETH_HEADER_TYPE_LAYER3)
vlan_tag = qeth_rebuild_skb(card, skb, hdr);
- else { /*in case of OSN*/
+ else if (hdr->hdr.osn.id == QETH_HEADER_TYPE_OSN) {
skb_push(skb, sizeof(struct qeth_hdr));
skb_copy_to_linear_data(skb, hdr,
sizeof(struct qeth_hdr));
+ } else { /* unknown header type */
+ dev_kfree_skb_any(skb);
+ QETH_DBF_TEXT(trace, 3, "inbunkno");
+ QETH_DBF_HEX(control, 3, hdr, QETH_DBF_CONTROL_LEN);
+ continue;
}
/* is device UP ? */
if (!(card->dev->flags & IFF_UP)){
@@ -3787,8 +3796,8 @@ qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
/*hard_header fake function; used in case fake_ll is set */
static int
qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr, void *saddr,
- unsigned len)
+ unsigned short type, const void *daddr, const void *saddr,
+ unsigned len)
{
if(dev->type == ARPHRD_IEEE802_TR){
struct trh_hdr *hdr;
@@ -3811,6 +3820,11 @@ qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
}
}
+static const struct header_ops qeth_fake_ops = {
+ .create = qeth_fake_header,
+ .parse = qeth_hard_header_parse,
+};
+
static int
qeth_send_packet(struct qeth_card *, struct sk_buff *);
@@ -4500,7 +4514,8 @@ qeth_do_send_packet(struct qeth_card *card, struct qeth_qdio_out_q *queue,
/* check if we have enough elements (including following
* free buffers) to handle eddp context */
if (qeth_eddp_check_buffers_for_context(queue,ctx) < 0){
- printk("eddp tx_dropped 1\n");
+ if (net_ratelimit())
+ PRINT_WARN("eddp tx_dropped 1\n");
rc = -EBUSY;
goto out;
}
@@ -4649,7 +4664,7 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
[qeth_get_priority_queue(card, skb, ipv, cast_type)];
if (!card->options.layer2) {
ipv = qeth_get_ip_version(skb);
- if ((card->dev->hard_header == qeth_fake_header) && ipv) {
+ if ((card->dev->header_ops == &qeth_fake_ops) && ipv) {
new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
if (!new_skb)
return -ENOMEM;
@@ -4711,8 +4726,8 @@ qeth_send_packet(struct qeth_card *card, struct sk_buff *skb)
rc = qeth_do_send_packet(card, queue, new_skb, hdr,
elements_needed, ctx);
else {
- if ((skb->protocol == htons(ETH_P_ARP)) &&
- (card->dev->flags & IFF_NOARP)) {
+ if ((!card->options.layer2) &&
+ (ipv == 0)) {
__qeth_free_new_skb(skb, new_skb);
return -EPERM;
}
@@ -6561,12 +6576,16 @@ static struct ethtool_ops qeth_ethtool_ops = {
};
static int
-qeth_hard_header_parse(struct sk_buff *skb, unsigned char *haddr)
+qeth_hard_header_parse(const struct sk_buff *skb, unsigned char *haddr)
{
- struct qeth_card *card;
- struct ethhdr *eth;
+ const struct qeth_card *card;
+ const struct ethhdr *eth;
+ struct net_device *dev = skb->dev;
- card = qeth_get_card_from_dev(skb->dev);
+ if (dev->type != ARPHRD_IEEE802_TR)
+ return 0;
+
+ card = qeth_get_card_from_dev(dev);
if (card->options.layer2)
goto haveheader;
#ifdef CONFIG_QETH_IPV6
@@ -6596,6 +6615,10 @@ haveheader:
return ETH_ALEN;
}
+static const struct header_ops qeth_null_ops = {
+ .parse = qeth_hard_header_parse,
+};
+
static int
qeth_netdev_init(struct net_device *dev)
{
@@ -6620,12 +6643,8 @@ qeth_netdev_init(struct net_device *dev)
dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
#endif
- if (qeth_get_netdev_flags(card) & IFF_NOARP) {
- dev->rebuild_header = NULL;
- dev->hard_header = NULL;
- dev->header_cache_update = NULL;
- dev->hard_header_cache = NULL;
- }
+ dev->header_ops = &qeth_null_ops;
+
#ifdef CONFIG_QETH_IPV6
/*IPv6 address autoconfiguration stuff*/
if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
@@ -6633,11 +6652,8 @@ qeth_netdev_init(struct net_device *dev)
#endif
if (card->options.fake_ll &&
(qeth_get_netdev_flags(card) & IFF_NOARP))
- dev->hard_header = qeth_fake_header;
- if (dev->type == ARPHRD_IEEE802_TR)
- dev->hard_header_parse = NULL;
- else
- dev->hard_header_parse = qeth_hard_header_parse;
+ dev->header_ops = &qeth_fake_ops;
+
dev->set_mac_address = qeth_layer2_set_mac_address;
dev->flags |= qeth_get_netdev_flags(card);
if ((card->options.fake_broadcast) ||
@@ -6649,7 +6665,6 @@ qeth_netdev_init(struct net_device *dev)
dev->mtu = card->info.initial_mtu;
if (card->info.type != QETH_CARD_TYPE_OSN)
SET_ETHTOOL_OPS(dev, &qeth_ethtool_ops);
- SET_MODULE_OWNER(dev);
return 0;
}
@@ -6741,10 +6756,10 @@ retry:
}
/*network device will be recovered*/
if (card->dev) {
- card->dev->hard_header = card->orig_hard_header;
+ card->dev->header_ops = card->orig_header_ops;
if (card->options.fake_ll &&
(qeth_get_netdev_flags(card) & IFF_NOARP))
- card->dev->hard_header = qeth_fake_header;
+ card->dev->header_ops = &qeth_fake_ops;
return 0;
}
/* at first set_online allocate netdev */
@@ -6758,7 +6773,7 @@ retry:
goto out;
}
card->dev->priv = card;
- card->orig_hard_header = card->dev->hard_header;
+ card->orig_header_ops = card->dev->header_ops;
card->dev->type = qeth_get_arphdr_type(card->info.type,
card->info.link_type);
card->dev->init = qeth_netdev_init;
@@ -8309,7 +8324,7 @@ qeth_arp_constructor(struct neighbour *neigh)
if (card == NULL)
goto out;
if((card->options.layer2) ||
- (card->dev->hard_header == qeth_fake_header))
+ (card->dev->header_ops == &qeth_fake_ops))
goto out;
rcu_read_lock();
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-27 22:03:23 +0000