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Commit 7ff0bcf6 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

qeth: do vlan cleanup 



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

Signed-off-by: default avatarJiri Pirko <jpirko@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 53515734

drivers/s390/net/qeth_core.h

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/s390/net/qeth_core_main.c

+0 −1
Original line number Diff line number Diff line
@@ -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);

drivers/s390/net/qeth_l3_main.c

+46 −54
Original line number Diff line number Diff line
@@ -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)

static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)

{

	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)

{

	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);

}
@@ -2014,9 +2011,7 @@ 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

				__vlan_hwaccel_put_tag(skb, vlan_tag);

			napi_gro_receive(&card->napi, skb);

			break;

		case QETH_HEADER_TYPE_LAYER2: /* for HiperSockets sniffer */
@@ -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,
@@ -3237,7 +3231,6 @@ static const struct net_device_ops qeth_l3_netdev_ops = { 
	.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_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,
@@ -3254,7 +3247,6 @@ static const struct net_device_ops qeth_l3_osa_netdev_ops = { 
	.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_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,