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s390/qeth: remove VLAN tracking for L3 devices

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Use vlan_for_each() instead of tracking each registered VID internally.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann
2019-11-14 11:19:22 +01:00
committed by David S. Miller
parent 611abe5165
commit 8659c189b6
2 changed files with 11 additions and 32 deletions
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42
drivers/s390/net/qeth_l3_main.c
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@@ -1113,10 +1113,10 @@ qeth_diags_trace(struct qeth_card *card, enum qeth_diags_trace_cmds diags_cmd)
return qeth_send_ipa_cmd(card, iob, qeth_diags_trace_cb, NULL);
}
static void qeth_l3_add_mcast_rcu(struct net_device *dev,
struct qeth_card *card)
static int qeth_l3_add_mcast_rtnl(struct net_device *dev, int vid, void *arg)
{
struct qeth_ipaddr *tmp = NULL;
struct qeth_card *card = arg;
struct inet6_dev *in6_dev;
struct in_device *in4_dev;
struct qeth_ipaddr *ipm;
@@ -1132,12 +1132,12 @@ static void qeth_l3_add_mcast_rcu(struct net_device *dev,
if (!tmp)
goto out;
in4_dev = __in_dev_get_rcu(dev);
in4_dev = __in_dev_get_rtnl(dev);
if (!in4_dev)
goto walk_ipv6;
for (im4 = rcu_dereference(in4_dev->mc_list); im4 != NULL;
im4 = rcu_dereference(im4->next_rcu)) {
for (im4 = rtnl_dereference(in4_dev->mc_list); im4 != NULL;
im4 = rtnl_dereference(im4->next_rcu)) {
tmp->u.a4.addr = im4->multiaddr;
tmp->is_multicast = 1;
@@ -1195,25 +1195,7 @@ walk_ipv6:
out:
kfree(tmp);
}
/* called with rcu_read_lock */
static void qeth_l3_add_vlan_mc(struct qeth_card *card)
{
u16 vid;
QETH_CARD_TEXT(card, 4, "admc6vl");
if (!qeth_is_supported(card, IPA_FULL_VLAN))
return;
for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
struct net_device *netdev;
netdev = __vlan_find_dev_deep_rcu(card->dev, htons(ETH_P_8021Q),
vid);
qeth_l3_add_mcast_rcu(netdev, card);
}
return 0;
}
static int qeth_l3_vlan_rx_add_vid(struct net_device *dev,
@@ -1221,7 +1203,7 @@ static int qeth_l3_vlan_rx_add_vid(struct net_device *dev,
{
struct qeth_card *card = dev->ml_priv;
set_bit(vid, card->active_vlans);
QETH_CARD_TEXT_(card, 4, "aid:%d", vid);
return 0;
}
@@ -1231,8 +1213,6 @@ static int qeth_l3_vlan_rx_kill_vid(struct net_device *dev,
struct qeth_card *card = dev->ml_priv;
QETH_CARD_TEXT_(card, 4, "kid:%d", vid);
clear_bit(vid, card->active_vlans);
return 0;
}
@@ -1387,11 +1367,11 @@ static void qeth_l3_rx_mode_work(struct work_struct *work)
QETH_CARD_TEXT(card, 3, "setmulti");
if (!card->options.sniffer) {
rcu_read_lock();
qeth_l3_add_mcast_rcu(card->dev, card);
rtnl_lock();
qeth_l3_add_mcast_rtnl(card->dev, 0, card);
if (qeth_is_supported(card, IPA_FULL_VLAN))
qeth_l3_add_vlan_mc(card);
rcu_read_unlock();
vlan_for_each(card->dev, qeth_l3_add_mcast_rtnl, card);
rtnl_unlock();
hash_for_each_safe(card->ip_mc_htable, i, tmp, addr, hnode) {
switch (addr->disp_flag) {