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authorIngo Molnar <mingo@elte.hu>2009-06-17 13:06:17 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-17 13:06:17 +0200
commita3d06cc6aa3e765dc2bf98626f87272dcf641dca (patch)
treeaa3e49b58f08d6c0ea55cdca4fb5e6c8ba6ae333 /drivers/net/bonding
parent0990b1c65729012a63e0eeca93aaaafea4e9a064 (diff)
parent65795efbd380a832ae508b04dba8f8e53f0b84d9 (diff)
downloadkernel-crypto-a3d06cc6aa3e765dc2bf98626f87272dcf641dca.tar.gz
kernel-crypto-a3d06cc6aa3e765dc2bf98626f87272dcf641dca.tar.xz
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Merge branch 'linus' into perfcounters/core
Conflicts: arch/x86/include/asm/kmap_types.h include/linux/mm.h include/asm-generic/kmap_types.h Merge reason: We crossed changes with kmap_types.h cleanups in mainline. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/net/bonding')
-rw-r--r--drivers/net/bonding/bond_3ad.c5
-rw-r--r--drivers/net/bonding/bond_3ad.h4
-rw-r--r--drivers/net/bonding/bond_main.c826
-rw-r--r--drivers/net/bonding/bond_sysfs.c463
-rw-r--r--drivers/net/bonding/bonding.h10
5 files changed, 615 insertions, 693 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index faf094abef7..d4b570886c6 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -1850,9 +1850,10 @@ static u16 aggregator_identifier;
* Can be called only after the mac address of the bond is set.
*/
void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution, int lacp_fast)
-{
+{
// check that the bond is not initialized yet
- if (MAC_ADDRESS_COMPARE(&(BOND_AD_INFO(bond).system.sys_mac_addr), &(bond->dev->dev_addr))) {
+ if (MAC_ADDRESS_COMPARE(&(BOND_AD_INFO(bond).system.sys_mac_addr),
+ bond->dev->dev_addr)) {
aggregator_identifier = 0;
diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h
index a306230381c..2c46a154f2c 100644
--- a/drivers/net/bonding/bond_3ad.h
+++ b/drivers/net/bonding/bond_3ad.h
@@ -26,10 +26,10 @@
#include <asm/byteorder.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
+#include <linux/if_ether.h>
// General definitions
-#define BOND_ETH_P_LACPDU 0x8809
-#define PKT_TYPE_LACPDU cpu_to_be16(BOND_ETH_P_LACPDU)
+#define PKT_TYPE_LACPDU cpu_to_be16(ETH_P_SLOW)
#define AD_TIMER_INTERVAL 100 /*msec*/
#define MULTICAST_LACPDU_ADDR {0x01, 0x80, 0xC2, 0x00, 0x00, 0x02}
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 74824028f85..d927f71af8a 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -51,10 +51,10 @@
#include <linux/ctype.h>
#include <linux/inet.h>
#include <linux/bitops.h>
+#include <linux/io.h>
#include <asm/system.h>
-#include <asm/io.h>
#include <asm/dma.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <linux/errno.h>
#include <linux/netdevice.h>
#include <linux/inetdevice.h>
@@ -89,19 +89,19 @@ static int max_bonds = BOND_DEFAULT_MAX_BONDS;
static int num_grat_arp = 1;
static int num_unsol_na = 1;
static int miimon = BOND_LINK_MON_INTERV;
-static int updelay = 0;
-static int downdelay = 0;
+static int updelay;
+static int downdelay;
static int use_carrier = 1;
-static char *mode = NULL;
-static char *primary = NULL;
-static char *lacp_rate = NULL;
-static char *ad_select = NULL;
-static char *xmit_hash_policy = NULL;
+static char *mode;
+static char *primary;
+static char *lacp_rate;
+static char *ad_select;
+static char *xmit_hash_policy;
static int arp_interval = BOND_LINK_ARP_INTERV;
-static char *arp_ip_target[BOND_MAX_ARP_TARGETS] = { NULL, };
-static char *arp_validate = NULL;
-static char *fail_over_mac = NULL;
-struct bond_params bonding_defaults;
+static char *arp_ip_target[BOND_MAX_ARP_TARGETS];
+static char *arp_validate;
+static char *fail_over_mac;
+static struct bond_params bonding_defaults;
module_param(max_bonds, int, 0);
MODULE_PARM_DESC(max_bonds, "Max number of bonded devices");
@@ -151,14 +151,14 @@ static const char * const version =
LIST_HEAD(bond_dev_list);
#ifdef CONFIG_PROC_FS
-static struct proc_dir_entry *bond_proc_dir = NULL;
+static struct proc_dir_entry *bond_proc_dir;
#endif
-static __be32 arp_target[BOND_MAX_ARP_TARGETS] = { 0, } ;
-static int arp_ip_count = 0;
+static __be32 arp_target[BOND_MAX_ARP_TARGETS];
+static int arp_ip_count;
static int bond_mode = BOND_MODE_ROUNDROBIN;
-static int xmit_hashtype= BOND_XMIT_POLICY_LAYER2;
-static int lacp_fast = 0;
+static int xmit_hashtype = BOND_XMIT_POLICY_LAYER2;
+static int lacp_fast;
const struct bond_parm_tbl bond_lacp_tbl[] = {
@@ -210,6 +210,7 @@ struct bond_parm_tbl ad_select_tbl[] = {
/*-------------------------- Forward declarations ---------------------------*/
static void bond_send_gratuitous_arp(struct bonding *bond);
+static int bond_init(struct net_device *bond_dev);
static void bond_deinit(struct net_device *bond_dev);
/*---------------------------- General routines -----------------------------*/
@@ -221,7 +222,7 @@ static const char *bond_mode_name(int mode)
[BOND_MODE_ACTIVEBACKUP] = "fault-tolerance (active-backup)",
[BOND_MODE_XOR] = "load balancing (xor)",
[BOND_MODE_BROADCAST] = "fault-tolerance (broadcast)",
- [BOND_MODE_8023AD]= "IEEE 802.3ad Dynamic link aggregation",
+ [BOND_MODE_8023AD] = "IEEE 802.3ad Dynamic link aggregation",
[BOND_MODE_TLB] = "transmit load balancing",
[BOND_MODE_ALB] = "adaptive load balancing",
};
@@ -246,12 +247,11 @@ static int bond_add_vlan(struct bonding *bond, unsigned short vlan_id)
struct vlan_entry *vlan;
pr_debug("bond: %s, vlan id %d\n",
- (bond ? bond->dev->name: "None"), vlan_id);
+ (bond ? bond->dev->name : "None"), vlan_id);
vlan = kzalloc(sizeof(struct vlan_entry), GFP_KERNEL);
- if (!vlan) {
+ if (!vlan)
return -ENOMEM;
- }
INIT_LIST_HEAD(&vlan->vlan_list);
vlan->vlan_id = vlan_id;
@@ -351,16 +351,15 @@ static int bond_has_challenged_slaves(struct bonding *bond)
*
* Returns %NULL if list is empty, bond->next_vlan if @curr is %NULL,
* or @curr->next otherwise (even if it is @curr itself again).
- *
+ *
* Caller must hold bond->lock
*/
struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr)
{
struct vlan_entry *next, *last;
- if (list_empty(&bond->vlan_list)) {
+ if (list_empty(&bond->vlan_list))
return NULL;
- }
if (!curr) {
next = list_entry(bond->vlan_list.next,
@@ -382,11 +381,11 @@ struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr)
/**
* bond_dev_queue_xmit - Prepare skb for xmit.
- *
+ *
* @bond: bond device that got this skb for tx.
* @skb: hw accel VLAN tagged skb to transmit
* @slave_dev: slave that is supposed to xmit this skbuff
- *
+ *
* When the bond gets an skb to transmit that is
* already hardware accelerated VLAN tagged, and it
* needs to relay this skb to a slave that is not
@@ -394,7 +393,8 @@ struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr)
* i.e. strip the hwaccel tag and re-insert it as part
* of the payload.
*/
-int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev)
+int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb,
+ struct net_device *slave_dev)
{
unsigned short uninitialized_var(vlan_id);
@@ -428,7 +428,7 @@ int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_de
* b. The operation is protected by the RTNL semaphore in the 8021q code,
* c. Holding a lock with BH disabled while directly calling a base driver
* entry point is generally a BAD idea.
- *
+ *
* The design of synchronization/protection for this operation in the 8021q
* module is good for one or more VLAN devices over a single physical device
* and cannot be extended for a teaming solution like bonding, so there is a
@@ -443,7 +443,8 @@ int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_de
* @bond_dev: bonding net device that got called
* @grp: vlan group being registered
*/
-static void bond_vlan_rx_register(struct net_device *bond_dev, struct vlan_group *grp)
+static void bond_vlan_rx_register(struct net_device *bond_dev,
+ struct vlan_group *grp)
{
struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave;
@@ -485,7 +486,7 @@ static void bond_vlan_rx_add_vid(struct net_device *bond_dev, uint16_t vid)
res = bond_add_vlan(bond, vid);
if (res) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Error: Failed to add vlan id %d\n",
bond_dev->name, vid);
}
@@ -520,7 +521,7 @@ static void bond_vlan_rx_kill_vid(struct net_device *bond_dev, uint16_t vid)
res = bond_del_vlan(bond, vid);
if (res) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Error: Failed to remove vlan id %d\n",
bond_dev->name, vid);
}
@@ -551,7 +552,8 @@ out:
write_unlock_bh(&bond->lock);
}
-static void bond_del_vlans_from_slave(struct bonding *bond, struct net_device *slave_dev)
+static void bond_del_vlans_from_slave(struct bonding *bond,
+ struct net_device *slave_dev)
{
const struct net_device_ops *slave_ops = slave_dev->netdev_ops;
struct vlan_entry *vlan;
@@ -673,7 +675,7 @@ static int bond_update_speed_duplex(struct slave *slave)
* if <dev> supports MII link status reporting, check its link status.
*
* We either do MII/ETHTOOL ioctls, or check netif_carrier_ok(),
- * depening upon the setting of the use_carrier parameter.
+ * depending upon the setting of the use_carrier parameter.
*
* Return either BMSR_LSTATUS, meaning that the link is up (or we
* can't tell and just pretend it is), or 0, meaning that the link is
@@ -685,16 +687,29 @@ static int bond_update_speed_duplex(struct slave *slave)
* It'd be nice if there was a good way to tell if a driver supports
* netif_carrier, but there really isn't.
*/
-static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_dev, int reporting)
+static int bond_check_dev_link(struct bonding *bond,
+ struct net_device *slave_dev, int reporting)
{
const struct net_device_ops *slave_ops = slave_dev->netdev_ops;
- static int (* ioctl)(struct net_device *, struct ifreq *, int);
+ static int (*ioctl)(struct net_device *, struct ifreq *, int);
struct ifreq ifr;
struct mii_ioctl_data *mii;
if (bond->params.use_carrier)
return netif_carrier_ok(slave_dev) ? BMSR_LSTATUS : 0;
+ /* Try to get link status using Ethtool first. */
+ if (slave_dev->ethtool_ops) {
+ if (slave_dev->ethtool_ops->get_link) {
+ u32 link;
+
+ link = slave_dev->ethtool_ops->get_link(slave_dev);
+
+ return link ? BMSR_LSTATUS : 0;
+ }
+ }
+
+ /* Ethtool can't be used, fallback to MII ioctls. */
ioctl = slave_ops->ndo_do_ioctl;
if (ioctl) {
/* TODO: set pointer to correct ioctl on a per team member */
@@ -714,23 +729,8 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_de
mii = if_mii(&ifr);
if (IOCTL(slave_dev, &ifr, SIOCGMIIPHY) == 0) {
mii->reg_num = MII_BMSR;
- if (IOCTL(slave_dev, &ifr, SIOCGMIIREG) == 0) {
- return (mii->val_out & BMSR_LSTATUS);
- }
- }
- }
-
- /*
- * Some drivers cache ETHTOOL_GLINK for a period of time so we only
- * attempt to get link status from it if the above MII ioctls fail.
- */
- if (slave_dev->ethtool_ops) {
- if (slave_dev->ethtool_ops->get_link) {
- u32 link;
-
- link = slave_dev->ethtool_ops->get_link(slave_dev);
-
- return link ? BMSR_LSTATUS : 0;
+ if (IOCTL(slave_dev, &ifr, SIOCGMIIREG) == 0)
+ return mii->val_out & BMSR_LSTATUS;
}
}
@@ -740,7 +740,7 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_de
* cannot report link status). If not reporting, pretend
* we're ok.
*/
- return (reporting ? -1 : BMSR_LSTATUS);
+ return reporting ? -1 : BMSR_LSTATUS;
}
/*----------------------------- Multicast list ------------------------------*/
@@ -748,7 +748,8 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_de
/*
* Returns 0 if dmi1 and dmi2 are the same, non-0 otherwise
*/
-static inline int bond_is_dmi_same(struct dev_mc_list *dmi1, struct dev_mc_list *dmi2)
+static inline int bond_is_dmi_same(const struct dev_mc_list *dmi1,
+ const struct dev_mc_list *dmi2)
{
return memcmp(dmi1->dmi_addr, dmi2->dmi_addr, dmi1->dmi_addrlen) == 0 &&
dmi1->dmi_addrlen == dmi2->dmi_addrlen;
@@ -757,14 +758,14 @@ static inline int bond_is_dmi_same(struct dev_mc_list *dmi1, struct dev_mc_list
/*
* returns dmi entry if found, NULL otherwise
*/
-static struct dev_mc_list *bond_mc_list_find_dmi(struct dev_mc_list *dmi, struct dev_mc_list *mc_list)
+static struct dev_mc_list *bond_mc_list_find_dmi(struct dev_mc_list *dmi,
+ struct dev_mc_list *mc_list)
{
struct dev_mc_list *idmi;
for (idmi = mc_list; idmi; idmi = idmi->next) {
- if (bond_is_dmi_same(dmi, idmi)) {
+ if (bond_is_dmi_same(dmi, idmi))
return idmi;
- }
}
return NULL;
@@ -826,15 +827,14 @@ static void bond_mc_add(struct bonding *bond, void *addr, int alen)
{
if (USES_PRIMARY(bond->params.mode)) {
/* write lock already acquired */
- if (bond->curr_active_slave) {
+ if (bond->curr_active_slave)
dev_mc_add(bond->curr_active_slave->dev, addr, alen, 0);
- }
} else {
struct slave *slave;
int i;
- bond_for_each_slave(bond, slave, i) {
+
+ bond_for_each_slave(bond, slave, i)
dev_mc_add(slave->dev, addr, alen, 0);
- }
}
}
@@ -846,9 +846,9 @@ static void bond_mc_delete(struct bonding *bond, void *addr, int alen)
{
if (USES_PRIMARY(bond->params.mode)) {
/* write lock already acquired */
- if (bond->curr_active_slave) {
- dev_mc_delete(bond->curr_active_slave->dev, addr, alen, 0);
- }
+ if (bond->curr_active_slave)
+ dev_mc_delete(bond->curr_active_slave->dev, addr,
+ alen, 0);
} else {
struct slave *slave;
int i;
@@ -872,9 +872,8 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
rcu_read_lock();
in_dev = __in_dev_get_rcu(bond->dev);
if (in_dev) {
- for (im = in_dev->mc_list; im; im = im->next) {
+ for (im = in_dev->mc_list; im; im = im->next)
ip_mc_rejoin_group(im);
- }
}
rcu_read_unlock();
@@ -893,7 +892,8 @@ static void bond_mc_list_destroy(struct bonding *bond)
kfree(dmi);
dmi = bond->mc_list;
}
- bond->mc_list = NULL;
+
+ bond->mc_list = NULL;
}
/*
@@ -926,14 +926,14 @@ static int bond_mc_list_copy(struct dev_mc_list *mc_list, struct bonding *bond,
/*
* flush all members of flush->mc_list from device dev->mc_list
*/
-static void bond_mc_list_flush(struct net_device *bond_dev, struct net_device *slave_dev)
+static void bond_mc_list_flush(struct net_device *bond_dev,
+ struct net_device *slave_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
struct dev_mc_list *dmi;
- for (dmi = bond_dev->mc_list; dmi; dmi = dmi->next) {
+ for (dmi = bond_dev->mc_list; dmi; dmi = dmi->next)
dev_mc_delete(slave_dev, dmi->dmi_addr, dmi->dmi_addrlen, 0);
- }
if (bond->params.mode == BOND_MODE_8023AD) {
/* del lacpdu mc addr from mc list */
@@ -950,44 +950,40 @@ static void bond_mc_list_flush(struct net_device *bond_dev, struct net_device *s
* old active slaves (if any) according to the multicast mode, and
* promiscuous flags unconditionally.
*/
-static void bond_mc_swap(struct bonding *bond, struct slave *new_active, struct slave *old_active)
+static void bond_mc_swap(struct bonding *bond, struct slave *new_active,
+ struct slave *old_active)
{
struct dev_mc_list *dmi;
- if (!USES_PRIMARY(bond->params.mode)) {
+ if (!USES_PRIMARY(bond->params.mode))
/* nothing to do - mc list is already up-to-date on
* all slaves
*/
return;
- }
if (old_active) {
- if (bond->dev->flags & IFF_PROMISC) {
+ if (bond->dev->flags & IFF_PROMISC)
dev_set_promiscuity(old_active->dev, -1);
- }
- if (bond->dev->flags & IFF_ALLMULTI) {
+ if (bond->dev->flags & IFF_ALLMULTI)
dev_set_allmulti(old_active->dev, -1);
- }
- for (dmi = bond->dev->mc_list; dmi; dmi = dmi->next) {
- dev_mc_delete(old_active->dev, dmi->dmi_addr, dmi->dmi_addrlen, 0);
- }
+ for (dmi = bond->dev->mc_list; dmi; dmi = dmi->next)
+ dev_mc_delete(old_active->dev, dmi->dmi_addr,
+ dmi->dmi_addrlen, 0);
}
if (new_active) {
/* FIXME: Signal errors upstream. */
- if (bond->dev->flags & IFF_PROMISC) {
+ if (bond->dev->flags & IFF_PROMISC)
dev_set_promiscuity(new_active->dev, 1);
- }
- if (bond->dev->flags & IFF_ALLMULTI) {
+ if (bond->dev->flags & IFF_ALLMULTI)
dev_set_allmulti(new_active->dev, 1);
- }
- for (dmi = bond->dev->mc_list; dmi; dmi = dmi->next) {
- dev_mc_add(new_active->dev, dmi->dmi_addr, dmi->dmi_addrlen, 0);
- }
+ for (dmi = bond->dev->mc_list; dmi; dmi = dmi->next)
+ dev_mc_add(new_active->dev, dmi->dmi_addr,
+ dmi->dmi_addrlen, 0);
bond_resend_igmp_join_requests(bond);
}
}
@@ -1041,7 +1037,7 @@ static void bond_do_fail_over_mac(struct bonding *bond,
rv = dev_set_mac_address(new_active->dev, &saddr);
if (rv) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Error %d setting MAC of slave %s\n",
bond->dev->name, -rv, new_active->dev->name);
goto out;
@@ -1055,7 +1051,7 @@ static void bond_do_fail_over_mac(struct bonding *bond,
rv = dev_set_mac_address(old_active->dev, &saddr);
if (rv)
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Error %d setting MAC of slave %s\n",
bond->dev->name, -rv, new_active->dev->name);
out:
@@ -1063,7 +1059,7 @@ out:
write_lock_bh(&bond->curr_slave_lock);
break;
default:
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: bond_do_fail_over_mac impossible: bad policy %d\n",
bond->dev->name, bond->params.fail_over_mac);
break;
@@ -1088,17 +1084,17 @@ static struct slave *bond_find_best_slave(struct bonding *bond)
new_active = old_active = bond->curr_active_slave;
if (!new_active) { /* there were no active slaves left */
- if (bond->slave_cnt > 0) { /* found one slave */
+ if (bond->slave_cnt > 0) /* found one slave */
new_active = bond->first_slave;
- } else {
+ else
return NULL; /* still no slave, return NULL */
- }
}
- /* first try the primary link; if arping, a link must tx/rx traffic
- * before it can be considered the curr_active_slave - also, we would skip
- * slaves between the curr_active_slave and primary_slave that may be up
- * and able to arp
+ /*
+ * first try the primary link; if arping, a link must tx/rx
+ * traffic before it can be considered the curr_active_slave.
+ * also, we would skip slaves between the curr_active_slave
+ * and primary_slave that may be up and able to arp
*/
if ((bond->primary_slave) &&
(!bond->params.arp_interval) &&
@@ -1146,16 +1142,15 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
{
struct slave *old_active = bond->curr_active_slave;
- if (old_active == new_active) {
+ if (old_active == new_active)
return;
- }
if (new_active) {
new_active->jiffies = jiffies;
if (new_active->link == BOND_LINK_BACK) {
if (USES_PRIMARY(bond->params.mode)) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: making interface %s the new "
"active one %d ms earlier.\n",
bond->dev->name, new_active->dev->name,
@@ -1165,15 +1160,14 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
new_active->delay = 0;
new_active->link = BOND_LINK_UP;
- if (bond->params.mode == BOND_MODE_8023AD) {
+ if (bond->params.mode == BOND_MODE_8023AD)
bond_3ad_handle_link_change(new_active, BOND_LINK_UP);
- }
if (bond_is_lb(bond))
bond_alb_handle_link_change(bond, new_active, BOND_LINK_UP);
} else {
if (USES_PRIMARY(bond->params.mode)) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: making interface %s the new "
"active one.\n",
bond->dev->name, new_active->dev->name);
@@ -1181,9 +1175,8 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
}
}
- if (USES_PRIMARY(bond->params.mode)) {
+ if (USES_PRIMARY(bond->params.mode))
bond_mc_swap(bond, new_active, old_active);
- }
if (bond_is_lb(bond)) {
bond_alb_handle_active_change(bond, new_active);
@@ -1196,9 +1189,8 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
}
if (bond->params.mode == BOND_MODE_ACTIVEBACKUP) {
- if (old_active) {
+ if (old_active)
bond_set_slave_inactive_flags(old_active);
- }
if (new_active) {
bond_set_slave_active_flags(new_active);
@@ -1228,7 +1220,7 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
* bond_select_active_slave - select a new active slave, if needed
* @bond: our bonding struct
*
- * This functions shoud be called when one of the following occurs:
+ * This functions should be called when one of the following occurs:
* - The old curr_active_slave has been released or lost its link.
* - The primary_slave has got its link back.
* - A slave has got its link back and there's no old curr_active_slave.
@@ -1248,11 +1240,11 @@ void bond_select_active_slave(struct bonding *bond)
return;
if (netif_carrier_ok(bond->dev)) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: first active interface up!\n",
bond->dev->name);
} else {
- printk(KERN_INFO DRV_NAME ": %s: "
+ pr_info(DRV_NAME ": %s: "
"now running without any active interface !\n",
bond->dev->name);
}
@@ -1294,13 +1286,11 @@ static void bond_attach_slave(struct bonding *bond, struct slave *new_slave)
*/
static void bond_detach_slave(struct bonding *bond, struct slave *slave)
{
- if (slave->next) {
+ if (slave->next)
slave->next->prev = slave->prev;
- }
- if (slave->prev) {
+ if (slave->prev)
slave->prev->next = slave->next;
- }
if (bond->first_slave == slave) { /* slave is the first slave */
if (bond->slave_cnt > 1) { /* there are more slave */
@@ -1331,7 +1321,7 @@ static int bond_sethwaddr(struct net_device *bond_dev,
(NETIF_F_VLAN_CHALLENGED | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX | \
NETIF_F_HW_VLAN_FILTER)
-/*
+/*
* Compute the common dev->feature set available to all slaves. Some
* feature bits are managed elsewhere, so preserve those feature bits
* on the master device.
@@ -1399,14 +1389,14 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (!bond->params.use_carrier && slave_dev->ethtool_ops == NULL &&
slave_ops->ndo_do_ioctl == NULL) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: Warning: no link monitoring support for %s\n",
bond_dev->name, slave_dev->name);
}
/* bond must be initialized by bond_open() before enslaving */
if (!(bond_dev->flags & IFF_UP)) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
" %s: master_dev is not up in bond_enslave\n",
bond_dev->name);
}
@@ -1422,14 +1412,14 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (slave_dev->features & NETIF_F_VLAN_CHALLENGED) {
pr_debug("%s: NETIF_F_VLAN_CHALLENGED\n", slave_dev->name);
if (!list_empty(&bond->vlan_list)) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Error: cannot enslave VLAN "
"challenged slave %s on VLAN enabled "
"bond %s\n", bond_dev->name, slave_dev->name,
bond_dev->name);
return -EPERM;
} else {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: Warning: enslaved VLAN challenged "
"slave %s. Adding VLANs will be blocked as "
"long as %s is part of bond %s\n",
@@ -1449,12 +1439,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
/*
* Old ifenslave binaries are no longer supported. These can
- * be identified with moderate accurary by the state of the slave:
+ * be identified with moderate accuracy by the state of the slave:
* the current ifenslave will set the interface down prior to
* enslaving it; the old ifenslave will not.
*/
if ((slave_dev->flags & IFF_UP)) {
- printk(KERN_ERR DRV_NAME ": %s is up. "
+ pr_err(DRV_NAME ": %s is up. "
"This may be due to an out of date ifenslave.\n",
slave_dev->name);
res = -EPERM;
@@ -1472,7 +1462,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (slave_dev->type != ARPHRD_ETHER)
bond_setup_by_slave(bond_dev, slave_dev);
} else if (bond_dev->type != slave_dev->type) {
- printk(KERN_ERR DRV_NAME ": %s ether type (%d) is different "
+ pr_err(DRV_NAME ": %s ether type (%d) is different "
"from other slaves (%d), can not enslave it.\n",
slave_dev->name,
slave_dev->type, bond_dev->type);
@@ -1482,14 +1472,14 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (slave_ops->ndo_set_mac_address == NULL) {
if (bond->slave_cnt == 0) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: Warning: The first slave device "
"specified does not support setting the MAC "
"address. Setting fail_over_mac to active.",
bond_dev->name);
bond->params.fail_over_mac = BOND_FOM_ACTIVE;
} else if (bond->params.fail_over_mac != BOND_FOM_ACTIVE) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Error: The slave device specified "
"does not support setting the MAC address, "
"but fail_over_mac is not set to active.\n"
@@ -1539,7 +1529,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
/* open the slave since the application closed it */
res = dev_open(slave_dev);
if (res) {
- pr_debug("Openning slave %s failed\n", slave_dev->name);
+ pr_debug("Opening slave %s failed\n", slave_dev->name);
goto err_unset_master;
}
@@ -1551,9 +1541,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
* it might fail and we do not want to have to undo everything
*/
res = bond_alb_init_slave(bond, new_slave);
- if (res) {
+ if (res)
goto err_close;
- }
}
/* If the mode USES_PRIMARY, then the new slave gets the
@@ -1578,9 +1567,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
netif_addr_lock_bh(bond_dev);
/* upload master's mc_list to new slave */
- for (dmi = bond_dev->mc_list; dmi; dmi = dmi->next) {
- dev_mc_add (slave_dev, dmi->dmi_addr, dmi->dmi_addrlen, 0);
- }
+ for (dmi = bond_dev->mc_list; dmi; dmi = dmi->next)
+ dev_mc_add(slave_dev, dmi->dmi_addr,
+ dmi->dmi_addrlen, 0);
netif_addr_unlock_bh(bond_dev);
}
@@ -1621,7 +1610,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
* supported); thus, we don't need to change
* the messages for netif_carrier.
*/
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: Warning: MII and ETHTOOL support not "
"available for interface %s, and "
"arp_interval/arp_ip_target module parameters "
@@ -1630,7 +1619,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
bond_dev->name, slave_dev->name);
} else if (link_reporting == -1) {
/* unable get link status using mii/ethtool */
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: Warning: can't get link status from "
"interface %s; the network driver associated "
"with this interface does not support MII or "
@@ -1662,13 +1651,13 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (bond_update_speed_duplex(new_slave) &&
(new_slave->link != BOND_LINK_DOWN)) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: Warning: failed to get speed and duplex from %s, "
"assumed to be 100Mb/sec and Full.\n",
bond_dev->name, new_slave->dev->name);
if (bond->params.mode == BOND_MODE_8023AD) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: Warning: Operation of 802.3ad mode requires ETHTOOL "
"support in base driver for proper aggregator "
"selection.\n", bond_dev->name);
@@ -1677,9 +1666,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (USES_PRIMARY(bond->params.mode) && bond->params.primary[0]) {
/* if there is a primary slave, remember it */
- if (strcmp(bond->params.primary, new_slave->dev->name) == 0) {
+ if (strcmp(bond->params.primary, new_slave->dev->name) == 0)
bond->primary_slave = new_slave;
- }
}
write_lock_bh(&bond->curr_slave_lock);
@@ -1726,9 +1714,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
* anyway (it holds no special properties of the bond device),
* so we can change it without calling change_active_interface()
*/
- if (!bond->curr_active_slave) {
+ if (!bond->curr_active_slave)
bond->curr_active_slave = new_slave;
- }
+
break;
} /* switch(bond_mode) */
@@ -1742,7 +1730,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (res)
goto err_close;
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: enslaving %s as a%s interface with a%s link.\n",
bond_dev->name, slave_dev->name,
new_slave->state == BOND_STATE_ACTIVE ? "n active" : " backup",
@@ -1774,7 +1762,7 @@ err_free:
err_undo_flags:
bond_dev->features = old_features;
-
+
return res;
}
@@ -1799,7 +1787,7 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
/* slave is not a slave or master is not master of this slave */
if (!(slave_dev->flags & IFF_SLAVE) ||
(slave_dev->master != bond_dev)) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Error: cannot release %s.\n",
bond_dev->name, slave_dev->name);
return -EINVAL;
@@ -1810,7 +1798,7 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
slave = bond_get_slave_by_dev(bond, slave_dev);
if (!slave) {
/* not a slave of this bond */
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: %s not enslaved\n",
bond_dev->name, slave_dev->name);
write_unlock_bh(&bond->lock);
@@ -1821,7 +1809,7 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
mac_addr_differ = memcmp(bond_dev->dev_addr, slave->perm_hwaddr,
ETH_ALEN);
if (!mac_addr_differ && (bond->slave_cnt > 1))
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: Warning: the permanent HWaddr of %s - "
"%pM - is still in use by %s. "
"Set the HWaddr of %s to a different address "
@@ -1839,7 +1827,7 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
bond_3ad_unbind_slave(slave);
}
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: releasing %s interface %s\n",
bond_dev->name,
(slave->state == BOND_STATE_ACTIVE)
@@ -1855,13 +1843,11 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
bond_compute_features(bond);
- if (bond->primary_slave == slave) {
+ if (bond->primary_slave == slave)
bond->primary_slave = NULL;
- }
- if (oldcurrent == slave) {
+ if (oldcurrent == slave)
bond_change_active_slave(bond, NULL);
- }
if (bond_is_lb(bond)) {
/* Must be called only after the slave has been
@@ -1903,18 +1889,18 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
if (list_empty(&bond->vlan_list)) {
bond_dev->features |= NETIF_F_VLAN_CHALLENGED;
} else {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: Warning: clearing HW address of %s while it "
"still has VLANs.\n",
bond_dev->name, bond_dev->name);
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: When re-adding slaves, make sure the bond's "
"HW address matches its VLANs'.\n",
bond_dev->name);
}
} else if ((bond_dev->features & NETIF_F_VLAN_CHALLENGED) &&
!bond_has_challenged_slaves(bond)) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: last VLAN challenged slave %s "
"left bond %s. VLAN blocking is removed\n",
bond_dev->name, slave_dev->name, bond_dev->name);
@@ -1934,14 +1920,12 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
*/
if (!USES_PRIMARY(bond->params.mode)) {
/* unset promiscuity level from slave */
- if (bond_dev->flags & IFF_PROMISC) {
+ if (bond_dev->flags & IFF_PROMISC)
dev_set_promiscuity(slave_dev, -1);
- }
/* unset allmulti level from slave */
- if (bond_dev->flags & IFF_ALLMULTI) {
+ if (bond_dev->flags & IFF_ALLMULTI)
dev_set_allmulti(slave_dev, -1);
- }
/* flush master's mc_list from slave */
netif_addr_lock_bh(bond_dev);
@@ -1974,41 +1958,36 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
* Destroy a bonding device.
* Must be under rtnl_lock when this function is called.
*/
-void bond_destroy(struct bonding *bond)
-{
- bond_deinit(bond->dev);
- bond_destroy_sysfs_entry(bond);
- unregister_netdevice(bond->dev);
-}
-
-static void bond_destructor(struct net_device *bond_dev)
+static void bond_uninit(struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
+ bond_deinit(bond_dev);
+ bond_destroy_sysfs_entry(bond);
+
if (bond->wq)
destroy_workqueue(bond->wq);
netif_addr_lock_bh(bond_dev);
bond_mc_list_destroy(bond);
netif_addr_unlock_bh(bond_dev);
-
- free_netdev(bond_dev);
}
/*
-* First release a slave and than destroy the bond if no more slaves iare left.
+* First release a slave and than destroy the bond if no more slaves are left.
* Must be under rtnl_lock when this function is called.
*/
-int bond_release_and_destroy(struct net_device *bond_dev, struct net_device *slave_dev)
+int bond_release_and_destroy(struct net_device *bond_dev,
+ struct net_device *slave_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
int ret;
ret = bond_release(bond_dev, slave_dev);
if ((ret == 0) && (bond->slave_cnt == 0)) {
- printk(KERN_INFO DRV_NAME ": %s: destroying bond %s.\n",
+ pr_info(DRV_NAME ": %s: destroying bond %s.\n",
bond_dev->name, bond_dev->name);
- bond_destroy(bond);
+ unregister_netdevice(bond_dev);
}
return ret;
}
@@ -2027,9 +2006,8 @@ static int bond_release_all(struct net_device *bond_dev)
netif_carrier_off(bond_dev);
- if (bond->slave_cnt == 0) {
+ if (bond->slave_cnt == 0)
goto out;
- }
bond->current_arp_slave = NULL;
bond->primary_slave = NULL;
@@ -2039,9 +2017,8 @@ static int bond_release_all(struct net_device *bond_dev)
/* Inform AD package of unbinding of slave
* before slave is detached from the list.
*/
- if (bond->params.mode == BOND_MODE_8023AD) {
+ if (bond->params.mode == BOND_MODE_8023AD)
bond_3ad_unbind_slave(slave);
- }
slave_dev = slave->dev;
bond_detach_slave(bond, slave);
@@ -2070,14 +2047,12 @@ static int bond_release_all(struct net_device *bond_dev)
*/
if (!USES_PRIMARY(bond->params.mode)) {
/* unset promiscuity level from slave */
- if (bond_dev->flags & IFF_PROMISC) {
+ if (bond_dev->flags & IFF_PROMISC)
dev_set_promiscuity(slave_dev, -1);
- }
/* unset allmulti level from slave */
- if (bond_dev->flags & IFF_ALLMULTI) {
+ if (bond_dev->flags & IFF_ALLMULTI)
dev_set_allmulti(slave_dev, -1);
- }
/* flush master's mc_list from slave */
netif_addr_lock_bh(bond_dev);
@@ -2112,20 +2087,20 @@ static int bond_release_all(struct net_device *bond_dev)
*/
memset(bond_dev->dev_addr, 0, bond_dev->addr_len);
- if (list_empty(&bond->vlan_list)) {
+ if (list_empty(&bond->vlan_list))
bond_dev->features |= NETIF_F_VLAN_CHALLENGED;
- } else {
- printk(KERN_WARNING DRV_NAME
+ else {
+ pr_warning(DRV_NAME
": %s: Warning: clearing HW address of %s while it "
"still has VLANs.\n",
bond_dev->name, bond_dev->name);
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: When re-adding slaves, make sure the bond's "
"HW address matches its VLANs'.\n",
bond_dev->name);
}
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: released all slaves\n",
bond_dev->name);
@@ -2143,8 +2118,8 @@ out:
* - <slave_dev> is already active.
* - The link state of <slave_dev> is not BOND_LINK_UP.
* - <slave_dev> is not running.
- * In these cases, this fuction does nothing.
- * In the other cases, currnt_slave pointer is changed and 0 is returned.
+ * In these cases, this function does nothing.
+ * In the other cases, current_slave pointer is changed and 0 is returned.
*/
static int bond_ioctl_change_active(struct net_device *bond_dev, struct net_device *slave_dev)
{
@@ -2153,15 +2128,12 @@ static int bond_ioctl_change_active(struct net_device *bond_dev, struct net_devi
struct slave *new_active = NULL;
int res = 0;
- if (!USES_PRIMARY(bond->params.mode)) {
+ if (!USES_PRIMARY(bond->params.mode))
return -EINVAL;
- }
/* Verify that master_dev is indeed the master of slave_dev */
- if (!(slave_dev->flags & IFF_SLAVE) ||
- (slave_dev->master != bond_dev)) {
+ if (!(slave_dev->flags & IFF_SLAVE) || (slave_dev->master != bond_dev))
return -EINVAL;
- }
read_lock(&bond->lock);
@@ -2186,9 +2158,8 @@ static int bond_ioctl_change_active(struct net_device *bond_dev, struct net_devi
write_lock_bh(&bond->curr_slave_lock);
bond_change_active_slave(bond, new_active);
write_unlock_bh(&bond->curr_slave_lock);
- } else {
+ } else
res = -EINVAL;
- }
read_unlock(&bond->lock);
@@ -2240,6 +2211,9 @@ static int bond_miimon_inspect(struct bonding *bond)
{
struct slave *slave;
int i, link_state, commit = 0;
+ bool ignore_updelay;
+
+ ignore_updelay = !bond->curr_active_slave ? true : false;
bond_for_each_slave(bond, slave, i) {
slave->new_link = BOND_LINK_NOCHANGE;
@@ -2254,7 +2228,7 @@ static int bond_miimon_inspect(struct bonding *bond)
slave->link = BOND_LINK_FAIL;
slave->delay = bond->params.downdelay;
if (slave->delay) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: link status down for %s"
"interface %s, disabling it in %d ms.\n",
bond->dev->name,
@@ -2273,7 +2247,7 @@ static int bond_miimon_inspect(struct bonding *bond)
*/
slave->link = BOND_LINK_UP;
slave->jiffies = jiffies;
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: link status up again after %d "
"ms for interface %s.\n",
bond->dev->name,
@@ -2300,10 +2274,11 @@ static int bond_miimon_inspect(struct bonding *bond)
slave->delay = bond->params.updelay;
if (slave->delay) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: link status up for "
"interface %s, enabling it in %d ms.\n",
bond->dev->name, slave->dev->name,
+ ignore_updelay ? 0 :
bond->params.updelay *
bond->params.miimon);
}
@@ -2311,7 +2286,7 @@ static int bond_miimon_inspect(struct bonding *bond)
case BOND_LINK_BACK:
if (!link_state) {
slave->link = BOND_LINK_DOWN;
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: link status down again after %d "
"ms for interface %s.\n",
bond->dev->name,
@@ -2322,9 +2297,13 @@ static int bond_miimon_inspect(struct bonding *bond)
continue;
}
+ if (ignore_updelay)
+ slave->delay = 0;
+
if (slave->delay <= 0) {
slave->new_link = BOND_LINK_UP;
commit++;
+ ignore_updelay = false;
continue;
}
@@ -2361,7 +2340,7 @@ static void bond_miimon_commit(struct bonding *bond)
slave->state = BOND_STATE_BACKUP;
}
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: link status definitely "
"up for interface %s.\n",
bond->dev->name, slave->dev->name);
@@ -2390,7 +2369,7 @@ static void bond_miimon_commit(struct bonding *bond)
bond->params.mode == BOND_MODE_8023AD)
bond_set_slave_inactive_flags(slave);
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: link status definitely down for "
"interface %s, disabling it\n",
bond->dev->name, slave->dev->name);
@@ -2399,8 +2378,7 @@ static void bond_miimon_commit(struct bonding *bond)
bond_3ad_handle_link_change(slave,
BOND_LINK_DOWN);
- if (bond->params.mode == BOND_MODE_TLB ||
- bond->params.mode == BOND_MODE_ALB)
+ if (bond_is_lb(bond))
bond_alb_handle_link_change(bond, slave,
BOND_LINK_DOWN);
@@ -2410,7 +2388,7 @@ static void bond_miimon_commit(struct bonding *bond)
continue;
default:
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: invalid new link %d on slave %s\n",
bond->dev->name, slave->new_link,
slave->dev->name);
@@ -2531,18 +2509,18 @@ static void bond_arp_send(struct net_device *slave_dev, int arp_op, __be32 dest_
pr_debug("arp %d on slave %s: dst %x src %x vid %d\n", arp_op,
slave_dev->name, dest_ip, src_ip, vlan_id);
-
+
skb = arp_create(arp_op, ETH_P_ARP, dest_ip, slave_dev, src_ip,
NULL, slave_dev->dev_addr, NULL);
if (!skb) {
- printk(KERN_ERR DRV_NAME ": ARP packet allocation failed\n");
+ pr_err(DRV_NAME ": ARP packet allocation failed\n");
return;
}
if (vlan_id) {
skb = vlan_put_tag(skb, vlan_id);
if (!skb) {
- printk(KERN_ERR DRV_NAME ": failed to insert VLAN tag\n");
+ pr_err(DRV_NAME ": failed to insert VLAN tag\n");
return;
}
}
@@ -2582,7 +2560,7 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
rv = ip_route_output_key(&init_net, &rt, &fl);
if (rv) {
if (net_ratelimit()) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: no route to arp_ip_target %pI4\n",
bond->dev->name, &fl.fl4_dst);
}
@@ -2619,7 +2597,7 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
}
if (net_ratelimit()) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": %s: no path to arp_ip_target %pI4 via rt.dev %s\n",
bond->dev->name, &fl.fl4_dst,
rt->u.dst.dev ? rt->u.dst.dev->name : "NULL");
@@ -2767,13 +2745,11 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
delta_in_ticks = msecs_to_jiffies(bond->params.arp_interval);
- if (bond->kill_timers) {
+ if (bond->kill_timers)
goto out;
- }
- if (bond->slave_cnt == 0) {
+ if (bond->slave_cnt == 0)
goto re_arm;
- }
read_lock(&bond->curr_slave_lock);
oldcurrent = bond->curr_active_slave;
@@ -2789,7 +2765,7 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
*/
bond_for_each_slave(bond, slave, i) {
if (slave->link != BOND_LINK_UP) {
- if (time_before_eq(jiffies, slave->dev->trans_start + delta_in_ticks) &&
+ if (time_before_eq(jiffies, dev_trans_start(slave->dev) + delta_in_ticks) &&
time_before_eq(jiffies, slave->dev->last_rx + delta_in_ticks)) {
slave->link = BOND_LINK_UP;
@@ -2801,14 +2777,14 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
* is closed.
*/
if (!oldcurrent) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: link status definitely "
"up for interface %s, ",
bond->dev->name,
slave->dev->name);
do_failover = 1;
} else {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: interface %s is now up\n",
bond->dev->name,
slave->dev->name);
@@ -2821,24 +2797,22 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
* when the source ip is 0, so don't take the link down
* if we don't know our ip yet
*/
- if (time_after_eq(jiffies, slave->dev->trans_start + 2*delta_in_ticks) ||
+ if (time_after_eq(jiffies, dev_trans_start(slave->dev) + 2*delta_in_ticks) ||
(time_after_eq(jiffies, slave->dev->last_rx + 2*delta_in_ticks))) {
slave->link = BOND_LINK_DOWN;
slave->state = BOND_STATE_BACKUP;
- if (slave->link_failure_count < UINT_MAX) {
+ if (slave->link_failure_count < UINT_MAX)
slave->link_failure_count++;
- }
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: interface %s is now down.\n",
bond->dev->name,
slave->dev->name);
- if (slave == oldcurrent) {
+ if (slave == oldcurrent)
do_failover = 1;
- }
}
}
@@ -2849,9 +2823,8 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
* do - all replies will be rx'ed on same link causing slaves
* to be unstable during low/no traffic periods
*/
- if (IS_UP(slave->dev)) {
+ if (IS_UP(slave->dev))
bond_arp_send_all(bond, slave);
- }
}
if (do_failover) {
@@ -2932,7 +2905,7 @@ static int bond_ab_arp_inspect(struct bonding *bond, int delta_in_ticks)
* the bond has an IP address)
*/
if ((slave->state == BOND_STATE_ACTIVE) &&
- (time_after_eq(jiffies, slave->dev->trans_start +
+ (time_after_eq(jiffies, dev_trans_start(slave->dev) +
2 * delta_in_ticks) ||
(time_after_eq(jiffies, slave_last_rx(bond, slave)
+ 2 * delta_in_ticks)))) {
@@ -2976,13 +2949,13 @@ static void bond_ab_arp_commit(struct bonding *bond, int delta_in_ticks)
write_lock_bh(&bond->curr_slave_lock);
if (!bond->curr_active_slave &&
- time_before_eq(jiffies, slave->dev->trans_start +
+ time_before_eq(jiffies, dev_trans_start(slave->dev) +
delta_in_ticks)) {
slave->link = BOND_LINK_UP;
bond_change_active_slave(bond, slave);
bond->current_arp_slave = NULL;
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: %s is up and now the "
"active interface\n",
bond->dev->name, slave->dev->name);
@@ -2998,7 +2971,7 @@ static void bond_ab_arp_commit(struct bonding *bond, int delta_in_ticks)
bond_set_slave_inactive_flags(slave);
bond->current_arp_slave = NULL;
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: backup interface %s is now up\n",
bond->dev->name, slave->dev->name);
}
@@ -3014,7 +2987,7 @@ static void bond_ab_arp_commit(struct bonding *bond, int delta_in_ticks)
slave->link = BOND_LINK_DOWN;
if (slave == bond->curr_active_slave) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: link status down for active "
"interface %s, disabling it\n",
bond->dev->name, slave->dev->name);
@@ -3033,7 +3006,7 @@ static void bond_ab_arp_commit(struct bonding *bond, int delta_in_ticks)
bond->current_arp_slave = NULL;
} else if (slave->state == BOND_STATE_BACKUP) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: backup interface %s is now down\n",
bond->dev->name, slave->dev->name);
@@ -3042,7 +3015,7 @@ static void bond_ab_arp_commit(struct bonding *bond, int delta_in_ticks)
break;
default:
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: impossible: new_link %d on slave %s\n",
bond->dev->name, slave->new_link,
slave->dev->name);
@@ -3076,7 +3049,7 @@ static void bond_ab_arp_probe(struct bonding *bond)
read_lock(&bond->curr_slave_lock);
if (bond->current_arp_slave && bond->curr_active_slave)
- printk("PROBE: c_arp %s && cas %s BAD\n",
+ pr_info(DRV_NAME "PROBE: c_arp %s && cas %s BAD\n",
bond->current_arp_slave->dev->name,
bond->curr_active_slave->dev->name);
@@ -3126,7 +3099,7 @@ static void bond_ab_arp_probe(struct bonding *bond)
bond_set_slave_inactive_flags(slave);
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: backup interface %s is now down.\n",
bond->dev->name, slave->dev->name);
}
@@ -3176,9 +3149,8 @@ void bond_activebackup_arp_mon(struct work_struct *work)
bond_ab_arp_probe(bond);
re_arm:
- if (bond->params.arp_interval) {
+ if (bond->params.arp_interval)
queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks);
- }
out:
read_unlock(&bond->lock);
}
@@ -3200,14 +3172,12 @@ static void *bond_info_seq_start(struct seq_file *seq, loff_t *pos)
read_lock(&dev_base_lock);
read_lock(&bond->lock);
- if (*pos == 0) {
+ if (*pos == 0)
return SEQ_START_TOKEN;
- }
bond_for_each_slave(bond, slave, i) {
- if (++off == *pos) {
+ if (++off == *pos)
return slave;
- }
}
return NULL;
@@ -3219,9 +3189,8 @@ static void *bond_info_seq_next(struct seq_file *seq, void *v, loff_t *pos)
struct slave *slave = v;
++*pos;
- if (v == SEQ_START_TOKEN) {
+ if (v == SEQ_START_TOKEN)
return bond->first_slave;
- }
slave = slave->next;
@@ -3284,14 +3253,14 @@ static void bond_info_show_master(struct seq_file *seq)
/* ARP information */
- if(bond->params.arp_interval > 0) {
- int printed=0;
+ if (bond->params.arp_interval > 0) {
+ int printed = 0;
seq_printf(seq, "ARP Polling Interval (ms): %d\n",
bond->params.arp_interval);
seq_printf(seq, "ARP IP target/s (n.n.n.n form):");
- for(i = 0; (i < BOND_MAX_ARP_TARGETS) ;i++) {
+ for (i = 0; (i < BOND_MAX_ARP_TARGETS); i++) {
if (!bond->params.arp_targets[i])
break;
if (printed)
@@ -3331,7 +3300,8 @@ static void bond_info_show_master(struct seq_file *seq)
}
}
-static void bond_info_show_slave(struct seq_file *seq, const struct slave *slave)
+static void bond_info_show_slave(struct seq_file *seq,
+ const struct slave *slave)
{
struct bonding *bond = seq->private;
@@ -3347,12 +3317,11 @@ static void bond_info_show_slave(struct seq_file *seq, const struct slave *slave
const struct aggregator *agg
= SLAVE_AD_INFO(slave).port.aggregator;
- if (agg) {
+ if (agg)
seq_printf(seq, "Aggregator ID: %d\n",
agg->aggregator_identifier);
- } else {
+ else
seq_puts(seq, "Aggregator ID: N/A\n");
- }
}
}
@@ -3361,9 +3330,8 @@ static int bond_info_seq_show(struct seq_file *seq, void *v)
if (v == SEQ_START_TOKEN) {
seq_printf(seq, "%s\n", version);
bond_info_show_master(seq);
- } else {
+ } else
bond_info_show_slave(seq, v);
- }
return 0;
}
@@ -3408,13 +3376,12 @@ static int bond_create_proc_entry(struct bonding *bond)
bond->proc_entry = proc_create_data(bond_dev->name,
S_IRUGO, bond_proc_dir,
&bond_info_fops, bond);
- if (bond->proc_entry == NULL) {
- printk(KERN_WARNING DRV_NAME
+ if (bond->proc_entry == NULL)
+ pr_warning(DRV_NAME
": Warning: Cannot create /proc/net/%s/%s\n",
DRV_NAME, bond_dev->name);
- } else {
+ else
memcpy(bond->proc_file_name, bond_dev->name, IFNAMSIZ);
- }
}
return 0;
@@ -3437,7 +3404,7 @@ static void bond_create_proc_dir(void)
if (!bond_proc_dir) {
bond_proc_dir = proc_mkdir(DRV_NAME, init_net.proc_net);
if (!bond_proc_dir)
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: cannot create /proc/net/%s\n",
DRV_NAME);
}
@@ -3453,8 +3420,28 @@ static void bond_destroy_proc_dir(void)
bond_proc_dir = NULL;
}
}
+
+#else /* !CONFIG_PROC_FS */
+
+static int bond_create_proc_entry(struct bonding *bond)
+{
+}
+
+static void bond_remove_proc_entry(struct bonding *bond)
+{
+}
+
+static void bond_create_proc_dir(void)
+{
+}
+
+static void bond_destroy_proc_dir(void)
+{
+}
+
#endif /* CONFIG_PROC_FS */
+
/*-------------------------- netdev event handling --------------------------*/
/*
@@ -3462,18 +3449,17 @@ static void bond_destroy_proc_dir(void)
*/
static int bond_event_changename(struct bonding *bond)
{
-#ifdef CONFIG_PROC_FS
bond_remove_proc_entry(bond);
bond_create_proc_entry(bond);
-#endif
- down_write(&(bonding_rwsem));
- bond_destroy_sysfs_entry(bond);
- bond_create_sysfs_entry(bond);
- up_write(&(bonding_rwsem));
+
+ bond_destroy_sysfs_entry(bond);
+ bond_create_sysfs_entry(bond);
+
return NOTIFY_DONE;
}
-static int bond_master_netdev_event(unsigned long event, struct net_device *bond_dev)
+static int bond_master_netdev_event(unsigned long event,
+ struct net_device *bond_dev)
{
struct bonding *event_bond = netdev_priv(bond_dev);
@@ -3490,7 +3476,8 @@ static int bond_master_netdev_event(unsigned long event, struct net_device *bond
return NOTIFY_DONE;
}
-static int bond_slave_netdev_event(unsigned long event, struct net_device *slave_dev)
+static int bond_slave_netdev_event(unsigned long event,
+ struct net_device *slave_dev)
{
struct net_device *bond_dev = slave_dev->master;
struct bonding *bond = netdev_priv(bond_dev);
@@ -3568,7 +3555,8 @@ static int bond_slave_netdev_event(unsigned long event, struct net_device *slave
* locks for us to safely manipulate the slave devices (RTNL lock,
* dev_probe_lock).
*/
-static int bond_netdev_event(struct notifier_block *this, unsigned long event, void *ptr)
+static int bond_netdev_event(struct notifier_block *this,
+ unsigned long event, void *ptr)
{
struct net_device *event_dev = (struct net_device *)ptr;
@@ -3923,9 +3911,9 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
switch (cmd) {
case SIOCGMIIPHY:
mii = if_mii(ifr);
- if (!mii) {
+ if (!mii)
return -EINVAL;
- }
+
mii->phy_id = 0;
/* Fall Through */
case SIOCGMIIREG:
@@ -3934,18 +3922,18 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
* instead of SIOCGMIIPHY.
*/
mii = if_mii(ifr);
- if (!mii) {
+ if (!mii)
return -EINVAL;
- }
+
if (mii->reg_num == 1) {
struct bonding *bond = netdev_priv(bond_dev);
mii->val_out = 0;
read_lock(&bond->lock);
read_lock(&bond->curr_slave_lock);
- if (netif_carrier_ok(bond->dev)) {
+ if (netif_carrier_ok(bond->dev))
mii->val_out = BMSR_LSTATUS;
- }
+
read_unlock(&bond->curr_slave_lock);
read_unlock(&bond->lock);
}
@@ -3955,32 +3943,26 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
case SIOCBONDINFOQUERY:
u_binfo = (struct ifbond __user *)ifr->ifr_data;
- if (copy_from_user(&k_binfo, u_binfo, sizeof(ifbond))) {
+ if (copy_from_user(&k_binfo, u_binfo, sizeof(ifbond)))
return -EFAULT;
- }
res = bond_info_query(bond_dev, &k_binfo);
- if (res == 0) {
- if (copy_to_user(u_binfo, &k_binfo, sizeof(ifbond))) {
- return -EFAULT;
- }
- }
+ if (res == 0 &&
+ copy_to_user(u_binfo, &k_binfo, sizeof(ifbond)))
+ return -EFAULT;
return res;
case BOND_SLAVE_INFO_QUERY_OLD:
case SIOCBONDSLAVEINFOQUERY:
u_sinfo = (struct ifslave __user *)ifr->ifr_data;
- if (copy_from_user(&k_sinfo, u_sinfo, sizeof(ifslave))) {
+ if (copy_from_user(&k_sinfo, u_sinfo, sizeof(ifslave)))
return -EFAULT;
- }
res = bond_slave_info_query(bond_dev, &k_sinfo);
- if (res == 0) {
- if (copy_to_user(u_sinfo, &k_sinfo, sizeof(ifslave))) {
- return -EFAULT;
- }
- }
+ if (res == 0 &&
+ copy_to_user(u_sinfo, &k_sinfo, sizeof(ifslave)))
+ return -EFAULT;
return res;
default:
@@ -3988,18 +3970,16 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
break;
}
- if (!capable(CAP_NET_ADMIN)) {
+ if (!capable(CAP_NET_ADMIN))
return -EPERM;
- }
- down_write(&(bonding_rwsem));
slave_dev = dev_get_by_name(&init_net, ifr->ifr_slave);
pr_debug("slave_dev=%p: \n", slave_dev);
- if (!slave_dev) {
+ if (!slave_dev)
res = -ENODEV;
- } else {
+ else {
pr_debug("slave_dev->name=%s: \n", slave_dev->name);
switch (cmd) {
case BOND_ENSLAVE_OLD:
@@ -4025,7 +4005,6 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
dev_put(slave_dev);
}
- up_write(&(bonding_rwsem));
return res;
}
@@ -4037,30 +4016,30 @@ static void bond_set_multicast_list(struct net_device *bond_dev)
/*
* Do promisc before checking multicast_mode
*/
- if ((bond_dev->flags & IFF_PROMISC) && !(bond->flags & IFF_PROMISC)) {
+ if ((bond_dev->flags & IFF_PROMISC) && !(bond->flags & IFF_PROMISC))
/*
* FIXME: Need to handle the error when one of the multi-slaves
* encounters error.
*/
bond_set_promiscuity(bond, 1);
- }
- if (!(bond_dev->flags & IFF_PROMISC) && (bond->flags & IFF_PROMISC)) {
+
+ if (!(bond_dev->flags & IFF_PROMISC) && (bond->flags & IFF_PROMISC))
bond_set_promiscuity(bond, -1);
- }
+
/* set allmulti flag to slaves */
- if ((bond_dev->flags & IFF_ALLMULTI) && !(bond->flags & IFF_ALLMULTI)) {
+ if ((bond_dev->flags & IFF_ALLMULTI) && !(bond->flags & IFF_ALLMULTI))
/*
* FIXME: Need to handle the error when one of the multi-slaves
* encounters error.
*/
bond_set_allmulti(bond, 1);
- }
- if (!(bond_dev->flags & IFF_ALLMULTI) && (bond->flags & IFF_ALLMULTI)) {
+
+ if (!(bond_dev->flags & IFF_ALLMULTI) && (bond->flags & IFF_ALLMULTI))
bond_set_allmulti(bond, -1);
- }
+
read_lock(&bond->lock);
@@ -4068,16 +4047,14 @@ static void bond_set_multicast_list(struct net_device *bond_dev)
/* looking for addresses to add to slaves' mc list */
for (dmi = bond_dev->mc_list; dmi; dmi = dmi->next) {
- if (!bond_mc_list_find_dmi(dmi, bond->mc_list)) {
+ if (!bond_mc_list_find_dmi(dmi, bond->mc_list))
bond_mc_add(bond, dmi->dmi_addr, dmi->dmi_addrlen);
- }
}
/* looking for addresses to delete from slaves' list */
for (dmi = bond->mc_list; dmi; dmi = dmi->next) {
- if (!bond_mc_list_find_dmi(dmi, bond_dev->mc_list)) {
+ if (!bond_mc_list_find_dmi(dmi, bond_dev->mc_list))
bond_mc_delete(bond, dmi->dmi_addr, dmi->dmi_addrlen);
- }
}
/* save master's multicast list */
@@ -4197,9 +4174,8 @@ static int bond_set_mac_address(struct net_device *bond_dev, void *addr)
if (bond->params.fail_over_mac == BOND_FOM_ACTIVE)
return 0;
- if (!is_valid_ether_addr(sa->sa_data)) {
+ if (!is_valid_ether_addr(sa->sa_data))
return -EADDRNOTAVAIL;
- }
/* Can't hold bond->lock with bh disabled here since
* some base drivers panic. On the other hand we can't
@@ -4270,9 +4246,8 @@ static int bond_xmit_roundrobin(struct sk_buff *skb, struct net_device *bond_dev
read_lock(&bond->lock);
- if (!BOND_IS_OK(bond)) {
+ if (!BOND_IS_OK(bond))
goto out;
- }
/*
* Concurrent TX may collide on rr_tx_counter; we accept that
@@ -4282,9 +4257,8 @@ static int bond_xmit_roundrobin(struct sk_buff *skb, struct net_device *bond_dev
bond_for_each_slave(bond, slave, i) {
slave_no--;
- if (slave_no < 0) {
+ if (slave_no < 0)
break;
- }
}
start_at = slave;
@@ -4319,9 +4293,8 @@ static int bond_xmit_activebackup(struct sk_buff *skb, struct net_device *bond_d
read_lock(&bond->lock);
read_lock(&bond->curr_slave_lock);
- if (!BOND_IS_OK(bond)) {
+ if (!BOND_IS_OK(bond))
goto out;
- }
if (!bond->curr_active_slave)
goto out;
@@ -4329,10 +4302,10 @@ static int bond_xmit_activebackup(struct sk_buff *skb, struct net_device *bond_d
res = bond_dev_queue_xmit(bond, skb, bond->curr_active_slave->dev);
out:
- if (res) {
+ if (res)
/* no suitable interface, frame not sent */
dev_kfree_skb(skb);
- }
+
read_unlock(&bond->curr_slave_lock);
read_unlock(&bond->lock);
return 0;
@@ -4353,17 +4326,15 @@ static int bond_xmit_xor(struct sk_buff *skb, struct net_device *bond_dev)
read_lock(&bond->lock);
- if (!BOND_IS_OK(bond)) {
+ if (!BOND_IS_OK(bond))
goto out;
- }
slave_no = bond->xmit_hash_policy(skb, bond_dev, bond->slave_cnt);
bond_for_each_slave(bond, slave, i) {
slave_no--;
- if (slave_no < 0) {
+ if (slave_no < 0)
break;
- }
}
start_at = slave;
@@ -4399,17 +4370,15 @@ static int bond_xmit_broadcast(struct sk_buff *skb, struct net_device *bond_dev)
read_lock(&bond->lock);
- if (!BOND_IS_OK(bond)) {
+ if (!BOND_IS_OK(bond))
goto out;
- }
read_lock(&bond->curr_slave_lock);
start_at = bond->curr_active_slave;
read_unlock(&bond->curr_slave_lock);
- if (!start_at) {
+ if (!start_at)
goto out;
- }
bond_for_each_slave_from(bond, slave, i, start_at) {
if (IS_UP(slave->dev) &&
@@ -4418,7 +4387,7 @@ static int bond_xmit_broadcast(struct sk_buff *skb, struct net_device *bond_dev)
if (tx_dev) {
struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC);
if (!skb2) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Error: bond_xmit_broadcast(): "
"skb_clone() failed\n",
bond_dev->name);
@@ -4435,15 +4404,14 @@ static int bond_xmit_broadcast(struct sk_buff *skb, struct net_device *bond_dev)
}
}
- if (tx_dev) {
+ if (tx_dev)
res = bond_dev_queue_xmit(bond, skb, tx_dev);
- }
out:
- if (res) {
+ if (res)
/* no suitable interface, frame not sent */
dev_kfree_skb(skb);
- }
+
/* frame sent to all suitable interfaces */
read_unlock(&bond->lock);
return 0;
@@ -4487,7 +4455,7 @@ static int bond_start_xmit(struct sk_buff *skb, struct net_device *dev)
return bond_alb_xmit(skb, dev);
default:
/* Should never happen, mode already checked */
- printk(KERN_ERR DRV_NAME ": %s: Error: Unknown bonding mode %d\n",
+ pr_err(DRV_NAME ": %s: Error: Unknown bonding mode %d\n",
dev->name, bond->params.mode);
WARN_ON_ONCE(1);
dev_kfree_skb(skb);
@@ -4524,7 +4492,7 @@ void bond_set_mode_ops(struct bonding *bond, int mode)
break;
default:
/* Should never happen, mode already checked */
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Error: Unknown bonding mode %d\n",
bond_dev->name,
mode);
@@ -4551,6 +4519,8 @@ static const struct ethtool_ops bond_ethtool_ops = {
};
static const struct net_device_ops bond_netdev_ops = {
+ .ndo_init = bond_init,
+ .ndo_uninit = bond_uninit,
.ndo_open = bond_open,
.ndo_stop = bond_close,
.ndo_start_xmit = bond_start_xmit,
@@ -4565,48 +4535,34 @@ static const struct net_device_ops bond_netdev_ops = {
.ndo_vlan_rx_kill_vid = bond_vlan_rx_kill_vid,
};
-/*
- * Does not allocate but creates a /proc entry.
- * Allowed to fail.
- */
-static int bond_init(struct net_device *bond_dev, struct bond_params *params)
+static void bond_setup(struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
- pr_debug("Begin bond_init for %s\n", bond_dev->name);
-
/* initialize rwlocks */
rwlock_init(&bond->lock);
rwlock_init(&bond->curr_slave_lock);
- bond->params = *params; /* copy params struct */
-
- bond->wq = create_singlethread_workqueue(bond_dev->name);
- if (!bond->wq)
- return -ENOMEM;
+ bond->params = bonding_defaults;
/* Initialize pointers */
- bond->first_slave = NULL;
- bond->curr_active_slave = NULL;
- bond->current_arp_slave = NULL;
- bond->primary_slave = NULL;
bond->dev = bond_dev;
- bond->send_grat_arp = 0;
- bond->send_unsol_na = 0;
- bond->setup_by_slave = 0;
INIT_LIST_HEAD(&bond->vlan_list);
/* Initialize the device entry points */
+ ether_setup(bond_dev);
bond_dev->netdev_ops = &bond_netdev_ops;
bond_dev->ethtool_ops = &bond_ethtool_ops;
bond_set_mode_ops(bond, bond->params.mode);
- bond_dev->destructor = bond_destructor;
+ bond_dev->destructor = free_netdev;
/* Initialize the device options */
bond_dev->tx_queue_len = 0;
bond_dev->flags |= IFF_MASTER|IFF_MULTICAST;
bond_dev->priv_flags |= IFF_BONDING;
+ bond_dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
+
if (bond->params.arp_interval)
bond_dev->priv_flags |= IFF_MASTER_ARPMON;
@@ -4631,12 +4587,6 @@ static int bond_init(struct net_device *bond_dev, struct bond_params *params)
NETIF_F_HW_VLAN_RX |
NETIF_F_HW_VLAN_FILTER);
-#ifdef CONFIG_PROC_FS
- bond_create_proc_entry(bond);
-#endif
- list_add_tail(&bond->bond_list, &bond_dev_list);
-
- return 0;
}
static void bond_work_cancel_all(struct bonding *bond)
@@ -4671,9 +4621,7 @@ static void bond_deinit(struct net_device *bond_dev)
bond_work_cancel_all(bond);
-#ifdef CONFIG_PROC_FS
bond_remove_proc_entry(bond);
-#endif
}
/* Unregister and free all bond devices.
@@ -4689,12 +4637,10 @@ static void bond_free_all(void)
bond_work_cancel_all(bond);
/* Release the bonded slaves */
bond_release_all(bond_dev);
- bond_destroy(bond);
+ unregister_netdevice(bond_dev);
}
-#ifdef CONFIG_PROC_FS
bond_destroy_proc_dir();
-#endif
}
/*------------------------- Module initialization ---------------------------*/
@@ -4742,7 +4688,7 @@ static int bond_check_params(struct bond_params *params)
if (mode) {
bond_mode = bond_parse_parm(mode, bond_mode_tbl);
if (bond_mode == -1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": Error: Invalid bonding mode \"%s\"\n",
mode == NULL ? "NULL" : mode);
return -EINVAL;
@@ -4752,16 +4698,16 @@ static int bond_check_params(struct bond_params *params)
if (xmit_hash_policy) {
if ((bond_mode != BOND_MODE_XOR) &&
(bond_mode != BOND_MODE_8023AD)) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": xor_mode param is irrelevant in mode %s\n",
bond_mode_name(bond_mode));
} else {
xmit_hashtype = bond_parse_parm(xmit_hash_policy,
xmit_hashtype_tbl);
if (xmit_hashtype == -1) {
- printk(KERN_ERR DRV_NAME
- ": Error: Invalid xmit_hash_policy \"%s\"\n",
- xmit_hash_policy == NULL ? "NULL" :
+ pr_err(DRV_NAME
+ ": Error: Invalid xmit_hash_policy \"%s\"\n",
+ xmit_hash_policy == NULL ? "NULL" :
xmit_hash_policy);
return -EINVAL;
}
@@ -4770,13 +4716,13 @@ static int bond_check_params(struct bond_params *params)
if (lacp_rate) {
if (bond_mode != BOND_MODE_8023AD) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": lacp_rate param is irrelevant in mode %s\n",
bond_mode_name(bond_mode));
} else {
lacp_fast = bond_parse_parm(lacp_rate, bond_lacp_tbl);
if (lacp_fast == -1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": Error: Invalid lacp rate \"%s\"\n",
lacp_rate == NULL ? "NULL" : lacp_rate);
return -EINVAL;
@@ -4787,14 +4733,14 @@ static int bond_check_params(struct bond_params *params)
if (ad_select) {
params->ad_select = bond_parse_parm(ad_select, ad_select_tbl);
if (params->ad_select == -1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": Error: Invalid ad_select \"%s\"\n",
ad_select == NULL ? "NULL" : ad_select);
return -EINVAL;
}
if (bond_mode != BOND_MODE_8023AD) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": ad_select param only affects 802.3ad mode\n");
}
} else {
@@ -4802,7 +4748,7 @@ static int bond_check_params(struct bond_params *params)
}
if (max_bonds < 0 || max_bonds > INT_MAX) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: max_bonds (%d) not in range %d-%d, so it "
"was reset to BOND_DEFAULT_MAX_BONDS (%d)\n",
max_bonds, 0, INT_MAX, BOND_DEFAULT_MAX_BONDS);
@@ -4810,7 +4756,7 @@ static int bond_check_params(struct bond_params *params)
}
if (miimon < 0) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: miimon module parameter (%d), "
"not in range 0-%d, so it was reset to %d\n",
miimon, INT_MAX, BOND_LINK_MON_INTERV);
@@ -4818,7 +4764,7 @@ static int bond_check_params(struct bond_params *params)
}
if (updelay < 0) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: updelay module parameter (%d), "
"not in range 0-%d, so it was reset to 0\n",
updelay, INT_MAX);
@@ -4826,7 +4772,7 @@ static int bond_check_params(struct bond_params *params)
}
if (downdelay < 0) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: downdelay module parameter (%d), "
"not in range 0-%d, so it was reset to 0\n",
downdelay, INT_MAX);
@@ -4834,7 +4780,7 @@ static int bond_check_params(struct bond_params *params)
}
if ((use_carrier != 0) && (use_carrier != 1)) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: use_carrier module parameter (%d), "
"not of valid value (0/1), so it was set to 1\n",
use_carrier);
@@ -4842,14 +4788,14 @@ static int bond_check_params(struct bond_params *params)
}
if (num_grat_arp < 0 || num_grat_arp > 255) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: num_grat_arp (%d) not in range 0-255 so it "
"was reset to 1 \n", num_grat_arp);
num_grat_arp = 1;
}
if (num_unsol_na < 0 || num_unsol_na > 255) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: num_unsol_na (%d) not in range 0-255 so it "
"was reset to 1 \n", num_unsol_na);
num_unsol_na = 1;
@@ -4858,12 +4804,12 @@ static int bond_check_params(struct bond_params *params)
/* reset values for 802.3ad */
if (bond_mode == BOND_MODE_8023AD) {
if (!miimon) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: miimon must be specified, "
"otherwise bonding will not detect link "
"failure, speed and duplex which are "
"essential for 802.3ad operation\n");
- printk(KERN_WARNING "Forcing miimon to 100msec\n");
+ pr_warning("Forcing miimon to 100msec\n");
miimon = 100;
}
}
@@ -4872,12 +4818,12 @@ static int bond_check_params(struct bond_params *params)
if ((bond_mode == BOND_MODE_TLB) ||
(bond_mode == BOND_MODE_ALB)) {
if (!miimon) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: miimon must be specified, "
"otherwise bonding will not detect link "
"failure and link speed which are essential "
"for TLB/ALB load balancing\n");
- printk(KERN_WARNING "Forcing miimon to 100msec\n");
+ pr_warning("Forcing miimon to 100msec\n");
miimon = 100;
}
}
@@ -4897,7 +4843,7 @@ static int bond_check_params(struct bond_params *params)
/* just warn the user the up/down delay will have
* no effect since miimon is zero...
*/
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: miimon module parameter not set "
"and updelay (%d) or downdelay (%d) module "
"parameter is set; updelay and downdelay have "
@@ -4907,7 +4853,7 @@ static int bond_check_params(struct bond_params *params)
} else {
/* don't allow arp monitoring */
if (arp_interval) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: miimon (%d) and arp_interval (%d) "
"can't be used simultaneously, disabling ARP "
"monitoring\n",
@@ -4916,7 +4862,7 @@ static int bond_check_params(struct bond_params *params)
}
if ((updelay % miimon) != 0) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: updelay (%d) is not a multiple "
"of miimon (%d), updelay rounded to %d ms\n",
updelay, miimon, (updelay / miimon) * miimon);
@@ -4925,7 +4871,7 @@ static int bond_check_params(struct bond_params *params)
updelay /= miimon;
if ((downdelay % miimon) != 0) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: downdelay (%d) is not a multiple "
"of miimon (%d), downdelay rounded to %d ms\n",
downdelay, miimon,
@@ -4936,7 +4882,7 @@ static int bond_check_params(struct bond_params *params)
}
if (arp_interval < 0) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: arp_interval module parameter (%d) "
", not in range 0-%d, so it was reset to %d\n",
arp_interval, INT_MAX, BOND_LINK_ARP_INTERV);
@@ -4949,7 +4895,7 @@ static int bond_check_params(struct bond_params *params)
/* not complete check, but should be good enough to
catch mistakes */
if (!isdigit(arp_ip_target[arp_ip_count][0])) {
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: bad arp_ip_target module parameter "
"(%s), ARP monitoring will not be performed\n",
arp_ip_target[arp_ip_count]);
@@ -4962,7 +4908,7 @@ static int bond_check_params(struct bond_params *params)
if (arp_interval && !arp_ip_count) {
/* don't allow arping if no arp_ip_target given... */
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: arp_interval module parameter (%d) "
"specified without providing an arp_ip_target "
"parameter, arp_interval was reset to 0\n",
@@ -4972,12 +4918,12 @@ static int bond_check_params(struct bond_params *params)
if (arp_validate) {
if (bond_mode != BOND_MODE_ACTIVEBACKUP) {
- printk(KERN_ERR DRV_NAME
- ": arp_validate only supported in active-backup mode\n");
+ pr_err(DRV_NAME
+ ": arp_validate only supported in active-backup mode\n");
return -EINVAL;
}
if (!arp_interval) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": arp_validate requires arp_interval\n");
return -EINVAL;
}
@@ -4985,7 +4931,7 @@ static int bond_check_params(struct bond_params *params)
arp_validate_value = bond_parse_parm(arp_validate,
arp_validate_tbl);
if (arp_validate_value == -1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": Error: invalid arp_validate \"%s\"\n",
arp_validate == NULL ? "NULL" : arp_validate);
return -EINVAL;
@@ -4994,20 +4940,20 @@ static int bond_check_params(struct bond_params *params)
arp_validate_value = 0;
if (miimon) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": MII link monitoring set to %d ms\n",
miimon);
} else if (arp_interval) {
int i;
- printk(KERN_INFO DRV_NAME
- ": ARP monitoring set to %d ms, validate %s, with %d target(s):",
+ pr_info(DRV_NAME ": ARP monitoring set to %d ms,"
+ " validate %s, with %d target(s):",
arp_interval,
arp_validate_tbl[arp_validate_value].modename,
arp_ip_count);
for (i = 0; i < arp_ip_count; i++)
- printk (" %s", arp_ip_target[i]);
+ printk(" %s", arp_ip_target[i]);
printk("\n");
@@ -5015,7 +4961,7 @@ static int bond_check_params(struct bond_params *params)
/* miimon and arp_interval not set, we need one so things
* work as expected, see bonding.txt for details
*/
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: either miimon or arp_interval and "
"arp_ip_target module parameters must be specified, "
"otherwise bonding will not detect link failures! see "
@@ -5026,7 +4972,7 @@ static int bond_check_params(struct bond_params *params)
/* currently, using a primary only makes sense
* in active backup, TLB or ALB modes
*/
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: %s primary device specified but has no "
"effect in %s mode\n",
primary, bond_mode_name(bond_mode));
@@ -5037,14 +4983,14 @@ static int bond_check_params(struct bond_params *params)
fail_over_mac_value = bond_parse_parm(fail_over_mac,
fail_over_mac_tbl);
if (fail_over_mac_value == -1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": Error: invalid fail_over_mac \"%s\"\n",
arp_validate == NULL ? "NULL" : arp_validate);
return -EINVAL;
}
if (bond_mode != BOND_MODE_ACTIVEBACKUP)
- printk(KERN_WARNING DRV_NAME
+ pr_warning(DRV_NAME
": Warning: fail_over_mac only affects "
"active-backup mode.\n");
} else {
@@ -5094,37 +5040,53 @@ static void bond_set_lockdep_class(struct net_device *dev)
netdev_for_each_tx_queue(dev, bond_set_lockdep_class_one, NULL);
}
+/*
+ * Called from registration process
+ */
+static int bond_init(struct net_device *bond_dev)
+{
+ struct bonding *bond = netdev_priv(bond_dev);
+
+ pr_debug("Begin bond_init for %s\n", bond_dev->name);
+
+ bond->wq = create_singlethread_workqueue(bond_dev->name);
+ if (!bond->wq)
+ return -ENOMEM;
+
+ bond_set_lockdep_class(bond_dev);
+
+ netif_carrier_off(bond_dev);
+
+ bond_create_proc_entry(bond);
+ list_add_tail(&bond->bond_list, &bond_dev_list);
+
+ return 0;
+}
+
/* Create a new bond based on the specified name and bonding parameters.
* If name is NULL, obtain a suitable "bond%d" name for us.
* Caller must NOT hold rtnl_lock; we need to release it here before we
* set up our sysfs entries.
*/
-int bond_create(char *name, struct bond_params *params)
+int bond_create(const char *name)
{
struct net_device *bond_dev;
- struct bonding *bond;
int res;
rtnl_lock();
- down_write(&bonding_rwsem);
-
/* Check to see if the bond already exists. */
- if (name) {
- list_for_each_entry(bond, &bond_dev_list, bond_list)
- if (strnicmp(bond->dev->name, name, IFNAMSIZ) == 0) {
- printk(KERN_ERR DRV_NAME
- ": cannot add bond %s; it already exists\n",
- name);
- res = -EPERM;
- goto out_rtnl;
- }
+ /* FIXME: pass netns from caller */
+ if (name && __dev_get_by_name(&init_net, name)) {
+ pr_err(DRV_NAME ": cannot add bond %s; already exists\n",
+ name);
+ res = -EEXIST;
+ goto out_rtnl;
}
bond_dev = alloc_netdev(sizeof(struct bonding), name ? name : "",
- ether_setup);
+ bond_setup);
if (!bond_dev) {
- printk(KERN_ERR DRV_NAME
- ": %s: eek! can't alloc netdev!\n",
+ pr_err(DRV_NAME ": %s: eek! can't alloc netdev!\n",
name);
res = -ENOMEM;
goto out_rtnl;
@@ -5136,43 +5098,24 @@ int bond_create(char *name, struct bond_params *params)
goto out_netdev;
}
- /* bond_init() must be called after dev_alloc_name() (for the
- * /proc files), but before register_netdevice(), because we
- * need to set function pointers.
- */
-
- res = bond_init(bond_dev, params);
- if (res < 0) {
- goto out_netdev;
- }
-
res = register_netdevice(bond_dev);
- if (res < 0) {
+ if (res < 0)
goto out_bond;
- }
-
- bond_set_lockdep_class(bond_dev);
-
- netif_carrier_off(bond_dev);
- up_write(&bonding_rwsem);
- rtnl_unlock(); /* allows sysfs registration of net device */
res = bond_create_sysfs_entry(netdev_priv(bond_dev));
if (res < 0)
goto out_unreg;
+ rtnl_unlock();
return 0;
out_unreg:
- rtnl_lock();
- down_write(&bonding_rwsem);
unregister_netdevice(bond_dev);
out_bond:
bond_deinit(bond_dev);
out_netdev:
free_netdev(bond_dev);
out_rtnl:
- up_write(&bonding_rwsem);
rtnl_unlock();
return res;
}
@@ -5182,21 +5125,16 @@ static int __init bonding_init(void)
int i;
int res;
- printk(KERN_INFO "%s", version);
+ pr_info("%s", version);
res = bond_check_params(&bonding_defaults);
- if (res) {
+ if (res)
goto out;
- }
-#ifdef CONFIG_PROC_FS
bond_create_proc_dir();
-#endif
-
- init_rwsem(&bonding_rwsem);
for (i = 0; i < max_bonds; i++) {
- res = bond_create(NULL, &bonding_defaults);
+ res = bond_create(NULL);
if (res)
goto err;
}
@@ -5238,13 +5176,3 @@ MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
MODULE_DESCRIPTION(DRV_DESCRIPTION ", v" DRV_VERSION);
MODULE_AUTHOR("Thomas Davis, tadavis@lbl.gov and many others");
-MODULE_SUPPORTED_DEVICE("most ethernet devices");
-
-/*
- * Local variables:
- * c-indent-level: 8
- * c-basic-offset: 8
- * tab-width: 8
- * End:
- */
-
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index d2873153522..55bf34f59bb 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -1,4 +1,3 @@
-
/*
* Copyright(c) 2004-2005 Intel Corporation. All rights reserved.
*
@@ -34,33 +33,14 @@
#include <linux/ctype.h>
#include <linux/inet.h>
#include <linux/rtnetlink.h>
+#include <linux/etherdevice.h>
#include <net/net_namespace.h>
#include "bonding.h"
-#define to_dev(obj) container_of(obj,struct device,kobj)
+#define to_dev(obj) container_of(obj, struct device, kobj)
#define to_bond(cd) ((struct bonding *)(netdev_priv(to_net_dev(cd))))
-/*---------------------------- Declarations -------------------------------*/
-
-static int expected_refcount = -1;
-/*--------------------------- Data Structures -----------------------------*/
-
-/* Bonding sysfs lock. Why can't we just use the subsystem lock?
- * Because kobject_register tries to acquire the subsystem lock. If
- * we already hold the lock (which we would if the user was creating
- * a new bond through the sysfs interface), we deadlock.
- * This lock is only needed when deleting a bond - we need to make sure
- * that we don't collide with an ongoing ioctl.
- */
-
-struct rw_semaphore bonding_rwsem;
-
-
-
-
-/*------------------------------ Functions --------------------------------*/
-
/*
* "show" function for the bond_masters attribute.
* The class parameter is ignored.
@@ -70,7 +50,7 @@ static ssize_t bonding_show_bonds(struct class *cls, char *buf)
int res = 0;
struct bonding *bond;
- down_read(&(bonding_rwsem));
+ rtnl_lock();
list_for_each_entry(bond, &bond_dev_list, bond_list) {
if (res > (PAGE_SIZE - IFNAMSIZ)) {
@@ -84,10 +64,22 @@ static ssize_t bonding_show_bonds(struct class *cls, char *buf)
}
if (res)
buf[res-1] = '\n'; /* eat the leftover space */
- up_read(&(bonding_rwsem));
+
+ rtnl_unlock();
return res;
}
+static struct net_device *bond_get_by_name(const char *ifname)
+{
+ struct bonding *bond;
+
+ list_for_each_entry(bond, &bond_dev_list, bond_list) {
+ if (strncmp(bond->dev->name, ifname, IFNAMSIZ) == 0)
+ return bond->dev;
+ }
+ return NULL;
+}
+
/*
* "store" function for the bond_masters attribute. This is what
* creates and deletes entire bonds.
@@ -96,12 +88,12 @@ static ssize_t bonding_show_bonds(struct class *cls, char *buf)
*
*/
-static ssize_t bonding_store_bonds(struct class *cls, const char *buffer, size_t count)
+static ssize_t bonding_store_bonds(struct class *cls,
+ const char *buffer, size_t count)
{
char command[IFNAMSIZ + 1] = {0, };
char *ifname;
int rv, res = count;
- struct bonding *bond;
sscanf(buffer, "%16s", command); /* IFNAMSIZ*/
ifname = command + 1;
@@ -110,67 +102,48 @@ static ssize_t bonding_store_bonds(struct class *cls, const char *buffer, size_t
goto err_no_cmd;
if (command[0] == '+') {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s is being created...\n", ifname);
- rv = bond_create(ifname, &bonding_defaults);
+ rv = bond_create(ifname);
if (rv) {
- printk(KERN_INFO DRV_NAME ": Bond creation failed.\n");
+ pr_info(DRV_NAME ": Bond creation failed.\n");
res = rv;
}
- goto out;
- }
+ } else if (command[0] == '-') {
+ struct net_device *bond_dev;
- if (command[0] == '-') {
rtnl_lock();
- down_write(&bonding_rwsem);
-
- list_for_each_entry(bond, &bond_dev_list, bond_list)
- if (strnicmp(bond->dev->name, ifname, IFNAMSIZ) == 0) {
- /* check the ref count on the bond's kobject.
- * If it's > expected, then there's a file open,
- * and we have to fail.
- */
- if (atomic_read(&bond->dev->dev.kobj.kref.refcount)
- > expected_refcount){
- printk(KERN_INFO DRV_NAME
- ": Unable remove bond %s due to open references.\n",
- ifname);
- res = -EPERM;
- goto out_unlock;
- }
- printk(KERN_INFO DRV_NAME
- ": %s is being deleted...\n",
- bond->dev->name);
- bond_destroy(bond);
- goto out_unlock;
- }
-
- printk(KERN_ERR DRV_NAME
- ": unable to delete non-existent bond %s\n", ifname);
- res = -ENODEV;
- goto out_unlock;
- }
-
-err_no_cmd:
- printk(KERN_ERR DRV_NAME
- ": no command found in bonding_masters. Use +ifname or -ifname.\n");
- return -EPERM;
-
-out_unlock:
- up_write(&bonding_rwsem);
- rtnl_unlock();
+ bond_dev = bond_get_by_name(ifname);
+ if (bond_dev) {
+ pr_info(DRV_NAME ": %s is being deleted...\n",
+ ifname);
+ unregister_netdevice(bond_dev);
+ } else {
+ pr_err(DRV_NAME ": unable to delete non-existent %s\n",
+ ifname);
+ res = -ENODEV;
+ }
+ rtnl_unlock();
+ } else
+ goto err_no_cmd;
/* Always return either count or an error. If you return 0, you'll
* get called forever, which is bad.
*/
-out:
return res;
+
+err_no_cmd:
+ pr_err(DRV_NAME ": no command found in bonding_masters."
+ " Use +ifname or -ifname.\n");
+ return -EPERM;
}
+
/* class attribute for bond_masters file. This ends up in /sys/class/net */
static CLASS_ATTR(bonding_masters, S_IWUSR | S_IRUGO,
bonding_show_bonds, bonding_store_bonds);
-int bond_create_slave_symlinks(struct net_device *master, struct net_device *slave)
+int bond_create_slave_symlinks(struct net_device *master,
+ struct net_device *slave)
{
char linkname[IFNAMSIZ+7];
int ret = 0;
@@ -181,19 +154,20 @@ int bond_create_slave_symlinks(struct net_device *master, struct net_device *sla
if (ret)
return ret;
/* next, create a link from the master to the slave */
- sprintf(linkname,"slave_%s",slave->name);
+ sprintf(linkname, "slave_%s", slave->name);
ret = sysfs_create_link(&(master->dev.kobj), &(slave->dev.kobj),
linkname);
return ret;
}
-void bond_destroy_slave_symlinks(struct net_device *master, struct net_device *slave)
+void bond_destroy_slave_symlinks(struct net_device *master,
+ struct net_device *slave)
{
char linkname[IFNAMSIZ+7];
sysfs_remove_link(&(slave->dev.kobj), "master");
- sprintf(linkname,"slave_%s",slave->name);
+ sprintf(linkname, "slave_%s", slave->name);
sysfs_remove_link(&(master->dev.kobj), linkname);
}
@@ -251,8 +225,8 @@ static ssize_t bonding_store_slaves(struct device *d,
/* Note: We can't hold bond->lock here, as bond_create grabs it. */
- rtnl_lock();
- down_write(&(bonding_rwsem));
+ if (!rtnl_trylock())
+ return restart_syscall();
sscanf(buffer, "%16s", command); /* IFNAMSIZ*/
ifname = command + 1;
@@ -264,46 +238,47 @@ static ssize_t bonding_store_slaves(struct device *d,
/* Got a slave name in ifname. Is it already in the list? */
found = 0;
- read_lock(&bond->lock);
- bond_for_each_slave(bond, slave, i)
- if (strnicmp(slave->dev->name, ifname, IFNAMSIZ) == 0) {
- printk(KERN_ERR DRV_NAME
- ": %s: Interface %s is already enslaved!\n",
- bond->dev->name, ifname);
- ret = -EPERM;
- read_unlock(&bond->lock);
- goto out;
- }
- read_unlock(&bond->lock);
- printk(KERN_INFO DRV_NAME ": %s: Adding slave %s.\n",
- bond->dev->name, ifname);
- dev = dev_get_by_name(&init_net, ifname);
+ /* FIXME: get netns from sysfs object */
+ dev = __dev_get_by_name(&init_net, ifname);
if (!dev) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: Interface %s does not exist!\n",
bond->dev->name, ifname);
- ret = -EPERM;
+ ret = -ENODEV;
goto out;
}
- else
- dev_put(dev);
if (dev->flags & IFF_UP) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Error: Unable to enslave %s "
"because it is already up.\n",
bond->dev->name, dev->name);
ret = -EPERM;
goto out;
}
+
+ read_lock(&bond->lock);
+ bond_for_each_slave(bond, slave, i)
+ if (slave->dev == dev) {
+ pr_err(DRV_NAME
+ ": %s: Interface %s is already enslaved!\n",
+ bond->dev->name, ifname);
+ ret = -EPERM;
+ read_unlock(&bond->lock);
+ goto out;
+ }
+ read_unlock(&bond->lock);
+
+ pr_info(DRV_NAME ": %s: Adding slave %s.\n",
+ bond->dev->name, ifname);
+
/* If this is the first slave, then we need to set
the master's hardware address to be the same as the
slave's. */
- if (!(*((u32 *) & (bond->dev->dev_addr[0])))) {
+ if (is_zero_ether_addr(bond->dev->dev_addr))
memcpy(bond->dev->dev_addr, dev->dev_addr,
dev->addr_len);
- }
/* Set the slave's MTU to match the bond */
original_mtu = dev->mtu;
@@ -317,9 +292,9 @@ static ssize_t bonding_store_slaves(struct device *d,
bond_for_each_slave(bond, slave, i)
if (strnicmp(slave->dev->name, ifname, IFNAMSIZ) == 0)
slave->original_mtu = original_mtu;
- if (res) {
+ if (res)
ret = res;
- }
+
goto out;
}
@@ -333,7 +308,7 @@ static ssize_t bonding_store_slaves(struct device *d,
break;
}
if (dev) {
- printk(KERN_INFO DRV_NAME ": %s: Removing slave %s\n",
+ pr_info(DRV_NAME ": %s: Removing slave %s\n",
bond->dev->name, dev->name);
res = bond_release(bond->dev, dev);
if (res) {
@@ -342,9 +317,9 @@ static ssize_t bonding_store_slaves(struct device *d,
}
/* set the slave MTU to the default */
dev_set_mtu(dev, original_mtu);
- }
- else {
- printk(KERN_ERR DRV_NAME ": unable to remove non-existent slave %s for bond %s.\n",
+ } else {
+ pr_err(DRV_NAME ": unable to remove non-existent"
+ " slave %s for bond %s.\n",
ifname, bond->dev->name);
ret = -ENODEV;
}
@@ -352,16 +327,16 @@ static ssize_t bonding_store_slaves(struct device *d,
}
err_no_cmd:
- printk(KERN_ERR DRV_NAME ": no command found in slaves file for bond %s. Use +ifname or -ifname.\n", bond->dev->name);
+ pr_err(DRV_NAME ": no command found in slaves file for bond %s. Use +ifname or -ifname.\n", bond->dev->name);
ret = -EPERM;
out:
- up_write(&(bonding_rwsem));
rtnl_unlock();
return ret;
}
-static DEVICE_ATTR(slaves, S_IRUGO | S_IWUSR, bonding_show_slaves, bonding_store_slaves);
+static DEVICE_ATTR(slaves, S_IRUGO | S_IWUSR, bonding_show_slaves,
+ bonding_store_slaves);
/*
* Show and set the bonding mode. The bond interface must be down to
@@ -385,16 +360,15 @@ static ssize_t bonding_store_mode(struct device *d,
struct bonding *bond = to_bond(d);
if (bond->dev->flags & IFF_UP) {
- printk(KERN_ERR DRV_NAME
- ": unable to update mode of %s because interface is up.\n",
- bond->dev->name);
+ pr_err(DRV_NAME ": unable to update mode of %s"
+ " because interface is up.\n", bond->dev->name);
ret = -EPERM;
goto out;
}
new_value = bond_parse_parm(buf, bond_mode_tbl);
if (new_value < 0) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Ignoring invalid mode value %.*s.\n",
bond->dev->name,
(int)strlen(buf) - 1, buf);
@@ -409,17 +383,19 @@ static ssize_t bonding_store_mode(struct device *d,
bond->params.mode = new_value;
bond_set_mode_ops(bond, bond->params.mode);
- printk(KERN_INFO DRV_NAME ": %s: setting mode to %s (%d).\n",
- bond->dev->name, bond_mode_tbl[new_value].modename, new_value);
+ pr_info(DRV_NAME ": %s: setting mode to %s (%d).\n",
+ bond->dev->name, bond_mode_tbl[new_value].modename,
+ new_value);
}
out:
return ret;
}
-static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR, bonding_show_mode, bonding_store_mode);
+static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR,
+ bonding_show_mode, bonding_store_mode);
/*
- * Show and set the bonding transmit hash method. The bond interface must be down to
- * change the xmit hash policy.
+ * Show and set the bonding transmit hash method.
+ * The bond interface must be down to change the xmit hash policy.
*/
static ssize_t bonding_show_xmit_hash(struct device *d,
struct device_attribute *attr,
@@ -440,7 +416,7 @@ static ssize_t bonding_store_xmit_hash(struct device *d,
struct bonding *bond = to_bond(d);
if (bond->dev->flags & IFF_UP) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
"%s: Interface is up. Unable to update xmit policy.\n",
bond->dev->name);
ret = -EPERM;
@@ -449,7 +425,7 @@ static ssize_t bonding_store_xmit_hash(struct device *d,
new_value = bond_parse_parm(buf, xmit_hashtype_tbl);
if (new_value < 0) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Ignoring invalid xmit hash policy value %.*s.\n",
bond->dev->name,
(int)strlen(buf) - 1, buf);
@@ -458,13 +434,15 @@ static ssize_t bonding_store_xmit_hash(struct device *d,
} else {
bond->params.xmit_policy = new_value;
bond_set_mode_ops(bond, bond->params.mode);
- printk(KERN_INFO DRV_NAME ": %s: setting xmit hash policy to %s (%d).\n",
- bond->dev->name, xmit_hashtype_tbl[new_value].modename, new_value);
+ pr_info(DRV_NAME ": %s: setting xmit hash policy to %s (%d).\n",
+ bond->dev->name,
+ xmit_hashtype_tbl[new_value].modename, new_value);
}
out:
return ret;
}
-static DEVICE_ATTR(xmit_hash_policy, S_IRUGO | S_IWUSR, bonding_show_xmit_hash, bonding_store_xmit_hash);
+static DEVICE_ATTR(xmit_hash_policy, S_IRUGO | S_IWUSR,
+ bonding_show_xmit_hash, bonding_store_xmit_hash);
/*
* Show and set arp_validate.
@@ -489,39 +467,41 @@ static ssize_t bonding_store_arp_validate(struct device *d,
new_value = bond_parse_parm(buf, arp_validate_tbl);
if (new_value < 0) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Ignoring invalid arp_validate value %s\n",
bond->dev->name, buf);
return -EINVAL;
}
if (new_value && (bond->params.mode != BOND_MODE_ACTIVEBACKUP)) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: arp_validate only supported in active-backup mode.\n",
bond->dev->name);
return -EINVAL;
}
- printk(KERN_INFO DRV_NAME ": %s: setting arp_validate to %s (%d).\n",
+ pr_info(DRV_NAME ": %s: setting arp_validate to %s (%d).\n",
bond->dev->name, arp_validate_tbl[new_value].modename,
new_value);
- if (!bond->params.arp_validate && new_value) {
+ if (!bond->params.arp_validate && new_value)
bond_register_arp(bond);
- } else if (bond->params.arp_validate && !new_value) {
+ else if (bond->params.arp_validate && !new_value)
bond_unregister_arp(bond);
- }
bond->params.arp_validate = new_value;
return count;
}
-static DEVICE_ATTR(arp_validate, S_IRUGO | S_IWUSR, bonding_show_arp_validate, bonding_store_arp_validate);
+static DEVICE_ATTR(arp_validate, S_IRUGO | S_IWUSR, bonding_show_arp_validate,
+ bonding_store_arp_validate);
/*
* Show and store fail_over_mac. User only allowed to change the
* value when there are no slaves.
*/
-static ssize_t bonding_show_fail_over_mac(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t bonding_show_fail_over_mac(struct device *d,
+ struct device_attribute *attr,
+ char *buf)
{
struct bonding *bond = to_bond(d);
@@ -530,13 +510,15 @@ static ssize_t bonding_show_fail_over_mac(struct device *d, struct device_attrib
bond->params.fail_over_mac);
}
-static ssize_t bonding_store_fail_over_mac(struct device *d, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t bonding_store_fail_over_mac(struct device *d,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
int new_value;
struct bonding *bond = to_bond(d);
if (bond->slave_cnt != 0) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Can't alter fail_over_mac with slaves in bond.\n",
bond->dev->name);
return -EPERM;
@@ -544,21 +526,22 @@ static ssize_t bonding_store_fail_over_mac(struct device *d, struct device_attri
new_value = bond_parse_parm(buf, fail_over_mac_tbl);
if (new_value < 0) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Ignoring invalid fail_over_mac value %s.\n",
bond->dev->name, buf);
return -EINVAL;
}
bond->params.fail_over_mac = new_value;
- printk(KERN_INFO DRV_NAME ": %s: Setting fail_over_mac to %s (%d).\n",
+ pr_info(DRV_NAME ": %s: Setting fail_over_mac to %s (%d).\n",
bond->dev->name, fail_over_mac_tbl[new_value].modename,
new_value);
return count;
}
-static DEVICE_ATTR(fail_over_mac, S_IRUGO | S_IWUSR, bonding_show_fail_over_mac, bonding_store_fail_over_mac);
+static DEVICE_ATTR(fail_over_mac, S_IRUGO | S_IWUSR,
+ bonding_show_fail_over_mac, bonding_store_fail_over_mac);
/*
* Show and set the arp timer interval. There are two tricky bits
@@ -583,28 +566,28 @@ static ssize_t bonding_store_arp_interval(struct device *d,
struct bonding *bond = to_bond(d);
if (sscanf(buf, "%d", &new_value) != 1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: no arp_interval value specified.\n",
bond->dev->name);
ret = -EINVAL;
goto out;
}
if (new_value < 0) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Invalid arp_interval value %d not in range 1-%d; rejected.\n",
bond->dev->name, new_value, INT_MAX);
ret = -EINVAL;
goto out;
}
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: Setting ARP monitoring interval to %d.\n",
bond->dev->name, new_value);
bond->params.arp_interval = new_value;
if (bond->params.arp_interval)
bond->dev->priv_flags |= IFF_MASTER_ARPMON;
if (bond->params.miimon) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: ARP monitoring cannot be used with MII monitoring. "
"%s Disabling MII monitoring.\n",
bond->dev->name, bond->dev->name);
@@ -615,7 +598,7 @@ static ssize_t bonding_store_arp_interval(struct device *d,
}
}
if (!bond->params.arp_targets[0]) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: ARP monitoring has been set up, "
"but no ARP targets have been specified.\n",
bond->dev->name);
@@ -641,7 +624,8 @@ static ssize_t bonding_store_arp_interval(struct device *d,
out:
return ret;
}
-static DEVICE_ATTR(arp_interval, S_IRUGO | S_IWUSR , bonding_show_arp_interval, bonding_store_arp_interval);
+static DEVICE_ATTR(arp_interval, S_IRUGO | S_IWUSR,
+ bonding_show_arp_interval, bonding_store_arp_interval);
/*
* Show and set the arp targets.
@@ -677,7 +661,7 @@ static ssize_t bonding_store_arp_targets(struct device *d,
/* look for adds */
if (buf[0] == '+') {
if ((newtarget == 0) || (newtarget == htonl(INADDR_BROADCAST))) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: invalid ARP target %pI4 specified for addition\n",
bond->dev->name, &newtarget);
ret = -EINVAL;
@@ -686,14 +670,14 @@ static ssize_t bonding_store_arp_targets(struct device *d,
/* look for an empty slot to put the target in, and check for dupes */
for (i = 0; (i < BOND_MAX_ARP_TARGETS) && !done; i++) {
if (targets[i] == newtarget) { /* duplicate */
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: ARP target %pI4 is already present\n",
bond->dev->name, &newtarget);
ret = -EINVAL;
goto out;
}
if (targets[i] == 0) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: adding ARP target %pI4.\n",
bond->dev->name, &newtarget);
done = 1;
@@ -701,17 +685,16 @@ static ssize_t bonding_store_arp_targets(struct device *d,
}
}
if (!done) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: ARP target table is full!\n",
bond->dev->name);
ret = -EINVAL;
goto out;
}
- }
- else if (buf[0] == '-') {
+ } else if (buf[0] == '-') {
if ((newtarget == 0) || (newtarget == htonl(INADDR_BROADCAST))) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: invalid ARP target %pI4 specified for removal\n",
bond->dev->name, &newtarget);
ret = -EINVAL;
@@ -721,7 +704,7 @@ static ssize_t bonding_store_arp_targets(struct device *d,
for (i = 0; (i < BOND_MAX_ARP_TARGETS) && !done; i++) {
if (targets[i] == newtarget) {
int j;
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: removing ARP target %pI4.\n",
bond->dev->name, &newtarget);
for (j = i; (j < (BOND_MAX_ARP_TARGETS-1)) && targets[j+1]; j++)
@@ -732,15 +715,15 @@ static ssize_t bonding_store_arp_targets(struct device *d,
}
}
if (!done) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: unable to remove nonexistent ARP target %pI4.\n",
bond->dev->name, &newtarget);
ret = -EINVAL;
goto out;
}
- }
- else {
- printk(KERN_ERR DRV_NAME ": no command found in arp_ip_targets file for bond %s. Use +<addr> or -<addr>.\n",
+ } else {
+ pr_err(DRV_NAME ": no command found in arp_ip_targets file"
+ " for bond %s. Use +<addr> or -<addr>.\n",
bond->dev->name);
ret = -EPERM;
goto out;
@@ -773,7 +756,7 @@ static ssize_t bonding_store_downdelay(struct device *d,
struct bonding *bond = to_bond(d);
if (!(bond->params.miimon)) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Unable to set down delay as MII monitoring is disabled\n",
bond->dev->name);
ret = -EPERM;
@@ -781,14 +764,14 @@ static ssize_t bonding_store_downdelay(struct device *d,
}
if (sscanf(buf, "%d", &new_value) != 1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: no down delay value specified.\n",
bond->dev->name);
ret = -EINVAL;
goto out;
}
if (new_value < 0) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Invalid down delay value %d not in range %d-%d; rejected.\n",
bond->dev->name, new_value, 1, INT_MAX);
ret = -EINVAL;
@@ -803,15 +786,17 @@ static ssize_t bonding_store_downdelay(struct device *d,
bond->params.miimon);
}
bond->params.downdelay = new_value / bond->params.miimon;
- printk(KERN_INFO DRV_NAME ": %s: Setting down delay to %d.\n",
- bond->dev->name, bond->params.downdelay * bond->params.miimon);
+ pr_info(DRV_NAME ": %s: Setting down delay to %d.\n",
+ bond->dev->name,
+ bond->params.downdelay * bond->params.miimon);
}
out:
return ret;
}
-static DEVICE_ATTR(downdelay, S_IRUGO | S_IWUSR , bonding_show_downdelay, bonding_store_downdelay);
+static DEVICE_ATTR(downdelay, S_IRUGO | S_IWUSR,
+ bonding_show_downdelay, bonding_store_downdelay);
static ssize_t bonding_show_updelay(struct device *d,
struct device_attribute *attr,
@@ -831,7 +816,7 @@ static ssize_t bonding_store_updelay(struct device *d,
struct bonding *bond = to_bond(d);
if (!(bond->params.miimon)) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Unable to set up delay as MII monitoring is disabled\n",
bond->dev->name);
ret = -EPERM;
@@ -839,14 +824,14 @@ static ssize_t bonding_store_updelay(struct device *d,
}
if (sscanf(buf, "%d", &new_value) != 1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: no up delay value specified.\n",
bond->dev->name);
ret = -EINVAL;
goto out;
}
if (new_value < 0) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Invalid down delay value %d not in range %d-%d; rejected.\n",
bond->dev->name, new_value, 1, INT_MAX);
ret = -EINVAL;
@@ -861,7 +846,7 @@ static ssize_t bonding_store_updelay(struct device *d,
bond->params.miimon);
}
bond->params.updelay = new_value / bond->params.miimon;
- printk(KERN_INFO DRV_NAME ": %s: Setting up delay to %d.\n",
+ pr_info(DRV_NAME ": %s: Setting up delay to %d.\n",
bond->dev->name, bond->params.updelay * bond->params.miimon);
}
@@ -869,7 +854,8 @@ static ssize_t bonding_store_updelay(struct device *d,
out:
return ret;
}
-static DEVICE_ATTR(updelay, S_IRUGO | S_IWUSR , bonding_show_updelay, bonding_store_updelay);
+static DEVICE_ATTR(updelay, S_IRUGO | S_IWUSR,
+ bonding_show_updelay, bonding_store_updelay);
/*
* Show and set the LACP interval. Interface must be down, and the mode
@@ -894,7 +880,7 @@ static ssize_t bonding_store_lacp(struct device *d,
struct bonding *bond = to_bond(d);
if (bond->dev->flags & IFF_UP) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Unable to update LACP rate because interface is up.\n",
bond->dev->name);
ret = -EPERM;
@@ -902,7 +888,7 @@ static ssize_t bonding_store_lacp(struct device *d,
}
if (bond->params.mode != BOND_MODE_8023AD) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Unable to update LACP rate because bond is not in 802.3ad mode.\n",
bond->dev->name);
ret = -EPERM;
@@ -913,19 +899,20 @@ static ssize_t bonding_store_lacp(struct device *d,
if ((new_value == 1) || (new_value == 0)) {
bond->params.lacp_fast = new_value;
- printk(KERN_INFO DRV_NAME
- ": %s: Setting LACP rate to %s (%d).\n",
- bond->dev->name, bond_lacp_tbl[new_value].modename, new_value);
+ pr_info(DRV_NAME ": %s: Setting LACP rate to %s (%d).\n",
+ bond->dev->name, bond_lacp_tbl[new_value].modename,
+ new_value);
} else {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Ignoring invalid LACP rate value %.*s.\n",
- bond->dev->name, (int)strlen(buf) - 1, buf);
+ bond->dev->name, (int)strlen(buf) - 1, buf);
ret = -EINVAL;
}
out:
return ret;
}
-static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR, bonding_show_lacp, bonding_store_lacp);
+static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR,
+ bonding_show_lacp, bonding_store_lacp);
static ssize_t bonding_show_ad_select(struct device *d,
struct device_attribute *attr,
@@ -947,7 +934,7 @@ static ssize_t bonding_store_ad_select(struct device *d,
struct bonding *bond = to_bond(d);
if (bond->dev->flags & IFF_UP) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Unable to update ad_select because interface "
"is up.\n", bond->dev->name);
ret = -EPERM;
@@ -958,12 +945,12 @@ static ssize_t bonding_store_ad_select(struct device *d,
if (new_value != -1) {
bond->params.ad_select = new_value;
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: Setting ad_select to %s (%d).\n",
bond->dev->name, ad_select_tbl[new_value].modename,
new_value);
} else {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Ignoring invalid ad_select value %.*s.\n",
bond->dev->name, (int)strlen(buf) - 1, buf);
ret = -EINVAL;
@@ -971,8 +958,8 @@ static ssize_t bonding_store_ad_select(struct device *d,
out:
return ret;
}
-
-static DEVICE_ATTR(ad_select, S_IRUGO | S_IWUSR, bonding_show_ad_select, bonding_store_ad_select);
+static DEVICE_ATTR(ad_select, S_IRUGO | S_IWUSR,
+ bonding_show_ad_select, bonding_store_ad_select);
/*
* Show and set the number of grat ARP to send after a failover event.
@@ -994,14 +981,14 @@ static ssize_t bonding_store_n_grat_arp(struct device *d,
struct bonding *bond = to_bond(d);
if (sscanf(buf, "%d", &new_value) != 1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: no num_grat_arp value specified.\n",
bond->dev->name);
ret = -EINVAL;
goto out;
}
if (new_value < 0 || new_value > 255) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Invalid num_grat_arp value %d not in range 0-255; rejected.\n",
bond->dev->name, new_value);
ret = -EINVAL;
@@ -1012,10 +999,11 @@ static ssize_t bonding_store_n_grat_arp(struct device *d,
out:
return ret;
}
-static DEVICE_ATTR(num_grat_arp, S_IRUGO | S_IWUSR, bonding_show_n_grat_arp, bonding_store_n_grat_arp);
+static DEVICE_ATTR(num_grat_arp, S_IRUGO | S_IWUSR,
+ bonding_show_n_grat_arp, bonding_store_n_grat_arp);
/*
- * Show and set the number of unsolicted NA's to send after a failover event.
+ * Show and set the number of unsolicited NA's to send after a failover event.
*/
static ssize_t bonding_show_n_unsol_na(struct device *d,
struct device_attribute *attr,
@@ -1034,25 +1022,26 @@ static ssize_t bonding_store_n_unsol_na(struct device *d,
struct bonding *bond = to_bond(d);
if (sscanf(buf, "%d", &new_value) != 1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: no num_unsol_na value specified.\n",
bond->dev->name);
ret = -EINVAL;
goto out;
}
+
if (new_value < 0 || new_value > 255) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Invalid num_unsol_na value %d not in range 0-255; rejected.\n",
bond->dev->name, new_value);
ret = -EINVAL;
goto out;
- } else {
+ } else
bond->params.num_unsol_na = new_value;
- }
out:
return ret;
}
-static DEVICE_ATTR(num_unsol_na, S_IRUGO | S_IWUSR, bonding_show_n_unsol_na, bonding_store_n_unsol_na);
+static DEVICE_ATTR(num_unsol_na, S_IRUGO | S_IWUSR,
+ bonding_show_n_unsol_na, bonding_store_n_unsol_na);
/*
* Show and set the MII monitor interval. There are two tricky bits
@@ -1077,37 +1066,37 @@ static ssize_t bonding_store_miimon(struct device *d,
struct bonding *bond = to_bond(d);
if (sscanf(buf, "%d", &new_value) != 1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: no miimon value specified.\n",
bond->dev->name);
ret = -EINVAL;
goto out;
}
if (new_value < 0) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: Invalid miimon value %d not in range %d-%d; rejected.\n",
bond->dev->name, new_value, 1, INT_MAX);
ret = -EINVAL;
goto out;
} else {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: Setting MII monitoring interval to %d.\n",
bond->dev->name, new_value);
bond->params.miimon = new_value;
- if(bond->params.updelay)
- printk(KERN_INFO DRV_NAME
+ if (bond->params.updelay)
+ pr_info(DRV_NAME
": %s: Note: Updating updelay (to %d) "
"since it is a multiple of the miimon value.\n",
bond->dev->name,
bond->params.updelay * bond->params.miimon);
- if(bond->params.downdelay)
- printk(KERN_INFO DRV_NAME
+ if (bond->params.downdelay)
+ pr_info(DRV_NAME
": %s: Note: Updating downdelay (to %d) "
"since it is a multiple of the miimon value.\n",
bond->dev->name,
bond->params.downdelay * bond->params.miimon);
if (bond->params.arp_interval) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: MII monitoring cannot be used with "
"ARP monitoring. Disabling ARP monitoring...\n",
bond->dev->name);
@@ -1141,7 +1130,8 @@ static ssize_t bonding_store_miimon(struct device *d,
out:
return ret;
}
-static DEVICE_ATTR(miimon, S_IRUGO | S_IWUSR, bonding_show_miimon, bonding_store_miimon);
+static DEVICE_ATTR(miimon, S_IRUGO | S_IWUSR,
+ bonding_show_miimon, bonding_store_miimon);
/*
* Show and set the primary slave. The store function is much
@@ -1171,12 +1161,13 @@ static ssize_t bonding_store_primary(struct device *d,
struct slave *slave;
struct bonding *bond = to_bond(d);
- rtnl_lock();
+ if (!rtnl_trylock())
+ return restart_syscall();
read_lock(&bond->lock);
write_lock_bh(&bond->curr_slave_lock);
if (!USES_PRIMARY(bond->params.mode)) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: Unable to set primary slave; %s is in mode %d\n",
bond->dev->name, bond->dev->name, bond->params.mode);
} else {
@@ -1184,7 +1175,7 @@ static ssize_t bonding_store_primary(struct device *d,
if (strnicmp
(slave->dev->name, buf,
strlen(slave->dev->name)) == 0) {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: Setting %s as primary slave.\n",
bond->dev->name, slave->dev->name);
bond->primary_slave = slave;
@@ -1196,13 +1187,13 @@ static ssize_t bonding_store_primary(struct device *d,
/* if we got here, then we didn't match the name of any slave */
if (strlen(buf) == 0 || buf[0] == '\n') {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: Setting primary slave to None.\n",
bond->dev->name);
bond->primary_slave = NULL;
bond_select_active_slave(bond);
} else {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: Unable to set %.*s as primary slave as it is not a slave.\n",
bond->dev->name, (int)strlen(buf) - 1, buf);
}
@@ -1214,7 +1205,8 @@ out:
return count;
}
-static DEVICE_ATTR(primary, S_IRUGO | S_IWUSR, bonding_show_primary, bonding_store_primary);
+static DEVICE_ATTR(primary, S_IRUGO | S_IWUSR,
+ bonding_show_primary, bonding_store_primary);
/*
* Show and set the use_carrier flag.
@@ -1237,7 +1229,7 @@ static ssize_t bonding_store_carrier(struct device *d,
if (sscanf(buf, "%d", &new_value) != 1) {
- printk(KERN_ERR DRV_NAME
+ pr_err(DRV_NAME
": %s: no use_carrier value specified.\n",
bond->dev->name);
ret = -EINVAL;
@@ -1245,17 +1237,18 @@ static ssize_t bonding_store_carrier(struct device *d,
}
if ((new_value == 0) || (new_value == 1)) {
bond->params.use_carrier = new_value;
- printk(KERN_INFO DRV_NAME ": %s: Setting use_carrier to %d.\n",
+ pr_info(DRV_NAME ": %s: Setting use_carrier to %d.\n",
bond->dev->name, new_value);
} else {
- printk(KERN_INFO DRV_NAME
+ pr_info(DRV_NAME
": %s: Ignoring invalid use_carrier value %d.\n",
bond->dev->name, new_value);
}
out:
return count;
}
-static DEVICE_ATTR(use_carrier, S_IRUGO | S_IWUSR, bonding_show_carrier, bonding_store_carrier);
+static DEVICE_ATTR(use_carrier, S_IRUGO | S_IWUSR,
+ bonding_show_carrier, bonding_store_carrier);
/*
@@ -1284,19 +1277,20 @@ static ssize_t bonding_store_active_slave(struct device *d,
{
int i;
struct slave *slave;
- struct slave *old_active = NULL;
- struct slave *new_active = NULL;
+ struct slave *old_active = NULL;
+ struct slave *new_active = NULL;
struct bonding *bond = to_bond(d);
- rtnl_lock();
+ if (!rtnl_trylock())
+ return restart_syscall();
read_lock(&bond->lock);
write_lock_bh(&bond->curr_slave_lock);
- if (!USES_PRIMARY(bond->params.mode)) {
- printk(KERN_INFO DRV_NAME
- ": %s: Unable to change active slave; %s is in mode %d\n",
- bond->dev->name, bond->dev->name, bond->params.mode);
- } else {
+ if (!USES_PRIMARY(bond->params.mode))
+ pr_info(DRV_NAME ": %s: Unable to change active slave;"
+ " %s is in mode %d\n",
+ bond->dev->name, bond->dev->name, bond->params.mode);
+ else {
bond_for_each_slave(bond, slave, i) {
if (strnicmp
(slave->dev->name, buf,
@@ -1335,18 +1329,18 @@ static ssize_t bonding_store_active_slave(struct device *d,
/* if we got here, then we didn't match the name of any slave */
if (strlen(buf) == 0 || buf[0] == '\n') {
- printk(KERN_INFO DRV_NAME
- ": %s: Setting active slave to None.\n",
- bond->dev->name);
+ pr_info(DRV_NAME
+ ": %s: Setting active slave to None.\n",
+ bond->dev->name);
bond->primary_slave = NULL;
- bond_select_active_slave(bond);
+ bond_select_active_slave(bond);
} else {
- printk(KERN_INFO DRV_NAME
- ": %s: Unable to set %.*s as active slave as it is not a slave.\n",
- bond->dev->name, (int)strlen(buf) - 1, buf);
+ pr_info(DRV_NAME ": %s: Unable to set %.*s"
+ " as active slave as it is not a slave.\n",
+ bond->dev->name, (int)strlen(buf) - 1, buf);
}
}
-out:
+ out:
write_unlock_bh(&bond->curr_slave_lock);
read_unlock(&bond->lock);
rtnl_unlock();
@@ -1354,7 +1348,8 @@ out:
return count;
}
-static DEVICE_ATTR(active_slave, S_IRUGO | S_IWUSR, bonding_show_active_slave, bonding_store_active_slave);
+static DEVICE_ATTR(active_slave, S_IRUGO | S_IWUSR,
+ bonding_show_active_slave, bonding_store_active_slave);
/*
@@ -1371,7 +1366,7 @@ static ssize_t bonding_show_mii_status(struct device *d,
curr = bond->curr_active_slave;
read_unlock(&bond->curr_slave_lock);
- return sprintf(buf, "%s\n", (curr) ? "up" : "down");
+ return sprintf(buf, "%s\n", curr ? "up" : "down");
}
static DEVICE_ATTR(mii_status, S_IRUGO, bonding_show_mii_status, NULL);
@@ -1388,7 +1383,9 @@ static ssize_t bonding_show_ad_aggregator(struct device *d,
if (bond->params.mode == BOND_MODE_8023AD) {
struct ad_info ad_info;
- count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0 : ad_info.aggregator_id);
+ count = sprintf(buf, "%d\n",
+ (bond_3ad_get_active_agg_info(bond, &ad_info))
+ ? 0 : ad_info.aggregator_id);
}
return count;
@@ -1408,7 +1405,9 @@ static ssize_t bonding_show_ad_num_ports(struct device *d,
if (bond->params.mode == BOND_MODE_8023AD) {
struct ad_info ad_info;
- count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0: ad_info.ports);
+ count = sprintf(buf, "%d\n",
+ (bond_3ad_get_active_agg_info(bond, &ad_info))
+ ? 0 : ad_info.ports);
}
return count;
@@ -1428,7 +1427,9 @@ static ssize_t bonding_show_ad_actor_key(struct device *d,
if (bond->params.mode == BOND_MODE_8023AD) {
struct ad_info ad_info;
- count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0 : ad_info.actor_key);
+ count = sprintf(buf, "%d\n",
+ (bond_3ad_get_active_agg_info(bond, &ad_info))
+ ? 0 : ad_info.actor_key);
}
return count;
@@ -1448,7 +1449,9 @@ static ssize_t bonding_show_ad_partner_key(struct device *d,
if (bond->params.mode == BOND_MODE_8023AD) {
struct ad_info ad_info;
- count = sprintf(buf, "%d\n", (bond_3ad_get_active_agg_info(bond, &ad_info)) ? 0 : ad_info.partner_key);
+ count = sprintf(buf, "%d\n",
+ (bond_3ad_get_active_agg_info(bond, &ad_info))
+ ? 0 : ad_info.partner_key);
}
return count;
@@ -1468,9 +1471,8 @@ static ssize_t bonding_show_ad_partner_mac(struct device *d,
if (bond->params.mode == BOND_MODE_8023AD) {
struct ad_info ad_info;
- if (!bond_3ad_get_active_agg_info(bond, &ad_info)) {
+ if (!bond_3ad_get_active_agg_info(bond, &ad_info))
count = sprintf(buf, "%pM\n", ad_info.partner_system);
- }
}
return count;
@@ -1538,6 +1540,7 @@ int bond_create_sysfs(void)
printk(KERN_ERR
"network device named %s already exists in sysfs",
class_attr_bonding_masters.attr.name);
+ ret = 0;
}
return ret;
@@ -1562,12 +1565,8 @@ int bond_create_sysfs_entry(struct bonding *bond)
int err;
err = sysfs_create_group(&(dev->dev.kobj), &bonding_group);
- if (err) {
+ if (err)
printk(KERN_EMERG "eek! didn't create group!\n");
- }
-
- if (expected_refcount < 1)
- expected_refcount = atomic_read(&bond->dev->dev.kobj.kref.refcount);
return err;
}
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index ca849d2adf9..6290a502742 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -286,8 +286,7 @@ static inline unsigned long slave_last_rx(struct bonding *bond,
static inline void bond_set_slave_inactive_flags(struct slave *slave)
{
struct bonding *bond = netdev_priv(slave->dev->master);
- if (bond->params.mode != BOND_MODE_TLB &&
- bond->params.mode != BOND_MODE_ALB)
+ if (!bond_is_lb(bond))
slave->state = BOND_STATE_BACKUP;
slave->dev->priv_flags |= IFF_SLAVE_INACTIVE;
if (slave_do_arp_validate(bond, slave))
@@ -322,8 +321,7 @@ static inline void bond_unset_master_alb_flags(struct bonding *bond)
struct vlan_entry *bond_next_vlan(struct bonding *bond, struct vlan_entry *curr);
int bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev);
-int bond_create(char *name, struct bond_params *params);
-void bond_destroy(struct bonding *bond);
+int bond_create(const char *name);
int bond_release_and_destroy(struct net_device *bond_dev, struct net_device *slave_dev);
int bond_create_sysfs(void);
void bond_destroy_sysfs(void);
@@ -350,12 +348,8 @@ extern const struct bond_parm_tbl bond_mode_tbl[];
extern const struct bond_parm_tbl xmit_hashtype_tbl[];
extern const struct bond_parm_tbl arp_validate_tbl[];
extern const struct bond_parm_tbl fail_over_mac_tbl[];
-extern struct bond_params bonding_defaults;
extern struct bond_parm_tbl ad_select_tbl[];
-/* exported from bond_sysfs.c */
-extern struct rw_semaphore bonding_rwsem;
-
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
void bond_send_unsolicited_na(struct bonding *bond);
void bond_register_ipv6_notifier(void);
generated by cgit (git 2.34.1) at 2024-11-10 20:17:52 +0000