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qeth: do vlan cleanup

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- unify vlan and nonvlan rx path
- kill card->vlangrp and qeth_l3_vlan_rx_register

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2011-07-20 04:54:41 +00:00 committed by David S. Miller
parent 5351573488
commit 7ff0bcf676
3 changed files with 48 additions and 57 deletions
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2
drivers/s390/net/qeth_core.h
View file

@ -720,7 +720,7 @@ struct qeth_card {
wait_queue_head_t wait_q;
spinlock_t vlanlock;
spinlock_t mclock;
struct vlan_group *vlangrp;
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
struct list_head vid_list;
struct list_head mc_list;
struct work_struct kernel_thread_starter;

1
drivers/s390/net/qeth_core_main.c
View file

@ -1097,7 +1097,6 @@ static int qeth_setup_card(struct qeth_card *card)
card->dev = NULL;
spin_lock_init(&card->vlanlock);
spin_lock_init(&card->mclock);
card->vlangrp = NULL;
spin_lock_init(&card->lock);
spin_lock_init(&card->ip_lock);
spin_lock_init(&card->thread_mask_lock);

102
drivers/s390/net/qeth_l3_main.c
View file

@ -13,6 +13,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/bitops.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/kernel.h>
@ -23,6 +24,7 @@
#include <linux/inetdevice.h>
#include <linux/igmp.h>
#include <linux/slab.h>
#include <linux/if_vlan.h>
#include <net/ip.h>
#include <net/arp.h>
@ -1696,16 +1698,18 @@ static void qeth_l3_add_mc(struct qeth_card *card, struct in_device *in4_dev)
static void qeth_l3_add_vlan_mc(struct qeth_card *card)
{
struct in_device *in_dev;
struct vlan_group *vg;
int i;
u16 vid;
QETH_CARD_TEXT(card, 4, "addmcvl");
if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL))
if (!qeth_is_supported(card, IPA_FULL_VLAN))
return;
vg = card->vlangrp;
for (i = 0; i < VLAN_N_VID; i++) {
struct net_device *netdev = vlan_group_get_device(vg, i);
for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
struct net_device *netdev;
rcu_read_lock();
netdev = __vlan_find_dev_deep(card->dev, vid);
rcu_read_unlock();
if (netdev == NULL ||
!(netdev->flags & IFF_UP))
continue;
@ -1759,16 +1763,16 @@ static void qeth_l3_add_mc6(struct qeth_card *card, struct inet6_dev *in6_dev)
static void qeth_l3_add_vlan_mc6(struct qeth_card *card)
{
struct inet6_dev *in_dev;
struct vlan_group *vg;
int i;
u16 vid;
QETH_CARD_TEXT(card, 4, "admc6vl");
if (!qeth_is_supported(card, IPA_FULL_VLAN) || (card->vlangrp == NULL))
if (!qeth_is_supported(card, IPA_FULL_VLAN))
return;
vg = card->vlangrp;
for (i = 0; i < VLAN_N_VID; i++) {
struct net_device *netdev = vlan_group_get_device(vg, i);
for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
struct net_device *netdev;
netdev = __vlan_find_dev_deep(card->dev, vid);
if (netdev == NULL ||
!(netdev->flags & IFF_UP))
continue;
@ -1806,10 +1810,12 @@ static void qeth_l3_free_vlan_addresses4(struct qeth_card *card,
struct in_device *in_dev;
struct in_ifaddr *ifa;
struct qeth_ipaddr *addr;
struct net_device *netdev;
QETH_CARD_TEXT(card, 4, "frvaddr4");
in_dev = in_dev_get(vlan_group_get_device(card->vlangrp, vid));
netdev = __vlan_find_dev_deep(card->dev, vid);
in_dev = in_dev_get(netdev);
if (!in_dev)
return;
for (ifa = in_dev->ifa_list; ifa; ifa = ifa->ifa_next) {
@ -1832,10 +1838,12 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
struct inet6_dev *in6_dev;
struct inet6_ifaddr *ifa;
struct qeth_ipaddr *addr;
struct net_device *netdev;
QETH_CARD_TEXT(card, 4, "frvaddr6");
in6_dev = in6_dev_get(vlan_group_get_device(card->vlangrp, vid));
netdev = __vlan_find_dev_deep(card->dev, vid);
in6_dev = in6_dev_get(netdev);
if (!in6_dev)
return;
list_for_each_entry(ifa, &in6_dev->addr_list, if_list) {
@ -1856,26 +1864,15 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
static void qeth_l3_free_vlan_addresses(struct qeth_card *card,
unsigned short vid)
{
if (!card->vlangrp)
return;
qeth_l3_free_vlan_addresses4(card, vid);
qeth_l3_free_vlan_addresses6(card, vid);
}
static void qeth_l3_vlan_rx_register(struct net_device *dev,
struct vlan_group *grp)
{
struct qeth_card *card = dev->ml_priv;
unsigned long flags;
QETH_CARD_TEXT(card, 4, "vlanreg");
spin_lock_irqsave(&card->vlanlock, flags);
card->vlangrp = grp;
spin_unlock_irqrestore(&card->vlanlock, flags);
}
static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
{
struct qeth_card *card = dev->ml_priv;
set_bit(vid, card->active_vlans);
return;
}
@ -1892,7 +1889,7 @@ static void qeth_l3_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
spin_lock_irqsave(&card->vlanlock, flags);
/* unregister IP addresses of vlan device */
qeth_l3_free_vlan_addresses(card, vid);
vlan_group_set_device(card->vlangrp, vid, NULL);
clear_bit(vid, card->active_vlans);
spin_unlock_irqrestore(&card->vlanlock, flags);
qeth_l3_set_multicast_list(card->dev);
}
@ -2014,10 +2011,8 @@ static int qeth_l3_process_inbound_buffer(struct qeth_card *card,
&vlan_tag);
len = skb->len;
if (is_vlan && !card->options.sniffer)
vlan_gro_receive(&card->napi, card->vlangrp,
vlan_tag, skb);
else
napi_gro_receive(&card->napi, skb);
__vlan_hwaccel_put_tag(skb, vlan_tag);
napi_gro_receive(&card->napi, skb);
break;
case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */
skb->pkt_type = PACKET_HOST;
@ -2118,15 +2113,15 @@ static int qeth_l3_verify_vlan_dev(struct net_device *dev,
struct qeth_card *card)
{
int rc = 0;
struct vlan_group *vg;
int i;
u16 vid;
vg = card->vlangrp;
if (!vg)
return rc;
for_each_set_bit(vid, card->active_vlans, VLAN_N_VID) {
struct net_device *netdev;
for (i = 0; i < VLAN_N_VID; i++) {
if (vlan_group_get_device(vg, i) == dev) {
rcu_read_lock();
netdev = __vlan_find_dev_deep(dev, vid);
rcu_read_unlock();
if (netdev == dev) {
rc = QETH_VLAN_CARD;
break;
}
@ -2803,7 +2798,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
* before we're going to overwrite this location with next hop ip.
* v6 uses passthrough, v4 sets the tag in the QDIO header.
*/
if (card->vlangrp && vlan_tx_tag_present(skb)) {
if (vlan_tx_tag_present(skb)) {
if ((ipv == 4) || (card->info.type == QETH_CARD_TYPE_IQD))
hdr->hdr.l3.ext_flags = QETH_HDR_EXT_VLAN_FRAME;
else
@ -2988,8 +2983,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
skb_pull(new_skb, ETH_HLEN);
}
if (ipv != 4 && card->vlangrp &&
vlan_tx_tag_present(new_skb)) {
if (ipv != 4 && vlan_tx_tag_present(new_skb)) {
skb_push(new_skb, VLAN_HLEN);
skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4);
skb_copy_to_linear_data_offset(new_skb, 4,
@ -3233,14 +3227,13 @@ static const struct net_device_ops qeth_l3_netdev_ops = {
.ndo_start_xmit = qeth_l3_hard_start_xmit,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_multicast_list = qeth_l3_set_multicast_list,
.ndo_do_ioctl = qeth_l3_do_ioctl,
.ndo_change_mtu = qeth_change_mtu,
.ndo_fix_features = qeth_l3_fix_features,
.ndo_set_features = qeth_l3_set_features,
.ndo_vlan_rx_register = qeth_l3_vlan_rx_register,
.ndo_do_ioctl = qeth_l3_do_ioctl,
.ndo_change_mtu = qeth_change_mtu,
.ndo_fix_features = qeth_l3_fix_features,
.ndo_set_features = qeth_l3_set_features,
.ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid,
.ndo_tx_timeout = qeth_tx_timeout,
.ndo_tx_timeout = qeth_tx_timeout,
};
static const struct net_device_ops qeth_l3_osa_netdev_ops = {
@ -3250,14 +3243,13 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = {
.ndo_start_xmit = qeth_l3_hard_start_xmit,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_multicast_list = qeth_l3_set_multicast_list,
.ndo_do_ioctl = qeth_l3_do_ioctl,
.ndo_change_mtu = qeth_change_mtu,
.ndo_fix_features = qeth_l3_fix_features,
.ndo_set_features = qeth_l3_set_features,
.ndo_vlan_rx_register = qeth_l3_vlan_rx_register,
.ndo_do_ioctl = qeth_l3_do_ioctl,
.ndo_change_mtu = qeth_change_mtu,
.ndo_fix_features = qeth_l3_fix_features,
.ndo_set_features = qeth_l3_set_features,
.ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid,
.ndo_tx_timeout = qeth_tx_timeout,
.ndo_tx_timeout = qeth_tx_timeout,
.ndo_neigh_setup = qeth_l3_neigh_setup,
};