diff options
author | Julian Wiedmann <jwi@linux.ibm.com> | 2019-11-14 11:19:22 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-11-14 18:16:51 -0800 |
commit | 8659c189b6f2f0af7ae90867d497178ea45c8251 (patch) | |
tree | c654e21dbc05a98bde2d3a83dc8b25b0cdf98907 /drivers/s390/net | |
parent | 611abe5165ca185bb64e0427c7efe2acdc9d5250 (diff) | |
download | linux-8659c189b6f2f0af7ae90867d497178ea45c8251.tar.gz linux-8659c189b6f2f0af7ae90867d497178ea45c8251.tar.bz2 linux-8659c189b6f2f0af7ae90867d497178ea45c8251.zip |
s390/qeth: remove VLAN tracking for L3 devices
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>
Diffstat (limited to 'drivers/s390/net')
-rw-r--r-- | drivers/s390/net/qeth_core.h | 1 | ||||
-rw-r--r-- | drivers/s390/net/qeth_l3_main.c | 42 |
2 files changed, 11 insertions, 32 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 52fd3c4bb132..f81f1523d528 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -824,7 +824,6 @@ struct qeth_card { struct workqueue_struct *event_wq; struct workqueue_struct *cmd_wq; wait_queue_head_t wait_q; - unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; DECLARE_HASHTABLE(mac_htable, 4); DECLARE_HASHTABLE(ip_htable, 4); struct mutex ip_lock; diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 1e060331a8cc..f4c65971321a 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -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) { |