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path: root/drivers/net/bonding/bond_main.c
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Diffstat (limited to 'drivers/net/bonding/bond_main.c')
-rw-r--r--drivers/net/bonding/bond_main.c163
1 files changed, 57 insertions, 106 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index cb9cb30..64bfec3 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -75,6 +75,7 @@
#include <linux/if_vlan.h>
#include <linux/if_bonding.h>
#include <net/route.h>
+#include <net/net_namespace.h>
#include "bonding.h"
#include "bond_3ad.h"
#include "bond_alb.h"
@@ -143,7 +144,7 @@ static struct proc_dir_entry *bond_proc_dir = NULL;
#endif
extern struct rw_semaphore bonding_rwsem;
-static u32 arp_target[BOND_MAX_ARP_TARGETS] = { 0, } ;
+static __be32 arp_target[BOND_MAX_ARP_TARGETS] = { 0, } ;
static int arp_ip_count = 0;
static int bond_mode = BOND_MODE_ROUNDROBIN;
static int xmit_hashtype= BOND_XMIT_POLICY_LAYER2;
@@ -613,38 +614,20 @@ down:
static int bond_update_speed_duplex(struct slave *slave)
{
struct net_device *slave_dev = slave->dev;
- static int (* ioctl)(struct net_device *, struct ifreq *, int);
- struct ifreq ifr;
struct ethtool_cmd etool;
+ int res;
/* Fake speed and duplex */
slave->speed = SPEED_100;
slave->duplex = DUPLEX_FULL;
- if (slave_dev->ethtool_ops) {
- int res;
-
- if (!slave_dev->ethtool_ops->get_settings) {
- return -1;
- }
-
- res = slave_dev->ethtool_ops->get_settings(slave_dev, &etool);
- if (res < 0) {
- return -1;
- }
-
- goto verify;
- }
+ if (!slave_dev->ethtool_ops || !slave_dev->ethtool_ops->get_settings)
+ return -1;
- ioctl = slave_dev->do_ioctl;
- strncpy(ifr.ifr_name, slave_dev->name, IFNAMSIZ);
- etool.cmd = ETHTOOL_GSET;
- ifr.ifr_data = (char*)&etool;
- if (!ioctl || (IOCTL(slave_dev, &ifr, SIOCETHTOOL) < 0)) {
+ res = slave_dev->ethtool_ops->get_settings(slave_dev, &etool);
+ if (res < 0)
return -1;
- }
-verify:
switch (etool.speed) {
case SPEED_10:
case SPEED_100:
@@ -690,7 +673,6 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_de
static int (* ioctl)(struct net_device *, struct ifreq *, int);
struct ifreq ifr;
struct mii_ioctl_data *mii;
- struct ethtool_value etool;
if (bond->params.use_carrier) {
return netif_carrier_ok(slave_dev) ? BMSR_LSTATUS : 0;
@@ -721,9 +703,10 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_de
}
}
- /* try SIOCETHTOOL ioctl, some drivers cache ETHTOOL_GLINK */
- /* for a period of time so we attempt to get link status */
- /* from it last if the above MII ioctls fail... */
+ /*
+ * 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;
@@ -734,23 +717,9 @@ static int bond_check_dev_link(struct bonding *bond, struct net_device *slave_de
}
}
- if (ioctl) {
- strncpy(ifr.ifr_name, slave_dev->name, IFNAMSIZ);
- etool.cmd = ETHTOOL_GLINK;
- ifr.ifr_data = (char*)&etool;
- if (IOCTL(slave_dev, &ifr, SIOCETHTOOL) == 0) {
- if (etool.data == 1) {
- return BMSR_LSTATUS;
- } else {
- dprintk("SIOCETHTOOL shows link down\n");
- return 0;
- }
- }
- }
-
/*
* If reporting, report that either there's no dev->do_ioctl,
- * or both SIOCGMIIREG and SIOCETHTOOL failed (meaning that we
+ * or both SIOCGMIIREG and get_link failed (meaning that we
* cannot report link status). If not reporting, pretend
* we're ok.
*/
@@ -1234,43 +1203,35 @@ static int bond_sethwaddr(struct net_device *bond_dev,
return 0;
}
-#define BOND_INTERSECT_FEATURES \
- (NETIF_F_SG | NETIF_F_ALL_CSUM | NETIF_F_TSO | NETIF_F_UFO)
+#define BOND_VLAN_FEATURES \
+ (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 feature bits set on
- * master device that are not part of the examined set.
+ * feature bits are managed elsewhere, so preserve those feature bits
+ * on the master device.
*/
static int bond_compute_features(struct bonding *bond)
{
- unsigned long features = BOND_INTERSECT_FEATURES;
struct slave *slave;
struct net_device *bond_dev = bond->dev;
+ unsigned long features = bond_dev->features;
unsigned short max_hard_header_len = ETH_HLEN;
int i;
+ features &= ~(NETIF_F_ALL_CSUM | BOND_VLAN_FEATURES);
+ features |= NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
+ NETIF_F_GSO_MASK | NETIF_F_NO_CSUM;
+
bond_for_each_slave(bond, slave, i) {
- features &= (slave->dev->features & BOND_INTERSECT_FEATURES);
+ features = netdev_compute_features(features,
+ slave->dev->features);
if (slave->dev->hard_header_len > max_hard_header_len)
max_hard_header_len = slave->dev->hard_header_len;
}
- if ((features & NETIF_F_SG) &&
- !(features & NETIF_F_ALL_CSUM))
- features &= ~NETIF_F_SG;
-
- /*
- * features will include NETIF_F_TSO (NETIF_F_UFO) iff all
- * slave devices support NETIF_F_TSO (NETIF_F_UFO), which
- * implies that all slaves also support scatter-gather
- * (NETIF_F_SG), which implies that features also includes
- * NETIF_F_SG. So no need to check whether we have an
- * illegal combination of NETIF_F_{TSO,UFO} and
- * !NETIF_F_SG
- */
-
- features |= (bond_dev->features & ~BOND_INTERSECT_FEATURES);
+ features |= (bond_dev->features & BOND_VLAN_FEATURES);
bond_dev->features = features;
bond_dev->hard_header_len = max_hard_header_len;
@@ -1643,6 +1604,7 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
struct slave *slave, *oldcurrent;
struct sockaddr addr;
int mac_addr_differ;
+ DECLARE_MAC_BUF(mac);
/* slave is not a slave or master is not master of this slave */
if (!(slave_dev->flags & IFF_SLAVE) ||
@@ -1670,19 +1632,13 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
ETH_ALEN);
if (!mac_addr_differ && (bond->slave_cnt > 1)) {
printk(KERN_WARNING DRV_NAME
- ": %s: Warning: the permanent HWaddr of %s "
- "- %02X:%02X:%02X:%02X:%02X:%02X - is "
- "still in use by %s. Set the HWaddr of "
- "%s to a different address to avoid "
- "conflicts.\n",
+ ": %s: Warning: the permanent HWaddr of %s - "
+ "%s - is still in use by %s. "
+ "Set the HWaddr of %s to a different address "
+ "to avoid conflicts.\n",
bond_dev->name,
slave_dev->name,
- slave->perm_hwaddr[0],
- slave->perm_hwaddr[1],
- slave->perm_hwaddr[2],
- slave->perm_hwaddr[3],
- slave->perm_hwaddr[4],
- slave->perm_hwaddr[5],
+ print_mac(mac, slave->perm_hwaddr),
bond_dev->name,
slave_dev->name);
}
@@ -2270,7 +2226,7 @@ out:
}
-static u32 bond_glean_dev_ip(struct net_device *dev)
+static __be32 bond_glean_dev_ip(struct net_device *dev)
{
struct in_device *idev;
struct in_ifaddr *ifa;
@@ -2313,7 +2269,7 @@ static int bond_has_ip(struct bonding *bond)
return 0;
}
-static int bond_has_this_ip(struct bonding *bond, u32 ip)
+static int bond_has_this_ip(struct bonding *bond, __be32 ip)
{
struct vlan_entry *vlan, *vlan_next;
@@ -2337,7 +2293,7 @@ static int bond_has_this_ip(struct bonding *bond, u32 ip)
* switches in VLAN mode (especially if ports are configured as
* "native" to a VLAN) might not pass non-tagged frames.
*/
-static void bond_arp_send(struct net_device *slave_dev, int arp_op, u32 dest_ip, u32 src_ip, unsigned short vlan_id)
+static void bond_arp_send(struct net_device *slave_dev, int arp_op, __be32 dest_ip, __be32 src_ip, unsigned short vlan_id)
{
struct sk_buff *skb;
@@ -2365,7 +2321,7 @@ static void bond_arp_send(struct net_device *slave_dev, int arp_op, u32 dest_ip,
static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
{
int i, vlan_id, rv;
- u32 *targets = bond->params.arp_targets;
+ __be32 *targets = bond->params.arp_targets;
struct vlan_entry *vlan, *vlan_next;
struct net_device *vlan_dev;
struct flowi fl;
@@ -2470,10 +2426,10 @@ static void bond_send_gratuitous_arp(struct bonding *bond)
}
}
-static void bond_validate_arp(struct bonding *bond, struct slave *slave, u32 sip, u32 tip)
+static void bond_validate_arp(struct bonding *bond, struct slave *slave, __be32 sip, __be32 tip)
{
int i;
- u32 *targets = bond->params.arp_targets;
+ __be32 *targets = bond->params.arp_targets;
targets = bond->params.arp_targets;
for (i = 0; (i < BOND_MAX_ARP_TARGETS) && targets[i]; i++) {
@@ -2495,7 +2451,10 @@ static int bond_arp_rcv(struct sk_buff *skb, struct net_device *dev, struct pack
struct slave *slave;
struct bonding *bond;
unsigned char *arp_ptr;
- u32 sip, tip;
+ __be32 sip, tip;
+
+ if (dev->nd_net != &init_net)
+ goto out;
if (!(dev->priv_flags & IFF_BONDING) || !(dev->flags & IFF_MASTER))
goto out;
@@ -3042,6 +3001,7 @@ static void bond_info_show_master(struct seq_file *seq)
if (bond->params.mode == BOND_MODE_8023AD) {
struct ad_info ad_info;
+ DECLARE_MAC_BUF(mac);
seq_puts(seq, "\n802.3ad info\n");
seq_printf(seq, "LACP rate: %s\n",
@@ -3061,13 +3021,8 @@ static void bond_info_show_master(struct seq_file *seq)
ad_info.actor_key);
seq_printf(seq, "\tPartner Key: %d\n",
ad_info.partner_key);
- seq_printf(seq, "\tPartner Mac Address: %02x:%02x:%02x:%02x:%02x:%02x\n",
- ad_info.partner_system[0],
- ad_info.partner_system[1],
- ad_info.partner_system[2],
- ad_info.partner_system[3],
- ad_info.partner_system[4],
- ad_info.partner_system[5]);
+ seq_printf(seq, "\tPartner Mac Address: %s\n",
+ print_mac(mac, ad_info.partner_system));
}
}
}
@@ -3075,6 +3030,7 @@ static void bond_info_show_master(struct seq_file *seq)
static void bond_info_show_slave(struct seq_file *seq, const struct slave *slave)
{
struct bonding *bond = seq->private;
+ DECLARE_MAC_BUF(mac);
seq_printf(seq, "\nSlave Interface: %s\n", slave->dev->name);
seq_printf(seq, "MII Status: %s\n",
@@ -3083,10 +3039,8 @@ static void bond_info_show_slave(struct seq_file *seq, const struct slave *slave
slave->link_failure_count);
seq_printf(seq,
- "Permanent HW addr: %02x:%02x:%02x:%02x:%02x:%02x\n",
- slave->perm_hwaddr[0], slave->perm_hwaddr[1],
- slave->perm_hwaddr[2], slave->perm_hwaddr[3],
- slave->perm_hwaddr[4], slave->perm_hwaddr[5]);
+ "Permanent HW addr: %s\n",
+ print_mac(mac, slave->perm_hwaddr));
if (bond->params.mode == BOND_MODE_8023AD) {
const struct aggregator *agg
@@ -3184,7 +3138,7 @@ static void bond_create_proc_dir(void)
{
int len = strlen(DRV_NAME);
- for (bond_proc_dir = proc_net->subdir; bond_proc_dir;
+ for (bond_proc_dir = init_net.proc_net->subdir; bond_proc_dir;
bond_proc_dir = bond_proc_dir->next) {
if ((bond_proc_dir->namelen == len) &&
!memcmp(bond_proc_dir->name, DRV_NAME, len)) {
@@ -3193,7 +3147,7 @@ static void bond_create_proc_dir(void)
}
if (!bond_proc_dir) {
- bond_proc_dir = proc_mkdir(DRV_NAME, proc_net);
+ bond_proc_dir = proc_mkdir(DRV_NAME, init_net.proc_net);
if (bond_proc_dir) {
bond_proc_dir->owner = THIS_MODULE;
} else {
@@ -3228,7 +3182,7 @@ static void bond_destroy_proc_dir(void)
bond_proc_dir->owner = NULL;
}
} else {
- remove_proc_entry(DRV_NAME, proc_net);
+ remove_proc_entry(DRV_NAME, init_net.proc_net);
bond_proc_dir = NULL;
}
}
@@ -3335,6 +3289,9 @@ static int bond_netdev_event(struct notifier_block *this, unsigned long event, v
{
struct net_device *event_dev = (struct net_device *)ptr;
+ if (event_dev->nd_net != &init_net)
+ return NOTIFY_DONE;
+
dprintk("event_dev: %s, event: %lx\n",
(event_dev ? event_dev->name : "None"),
event);
@@ -3470,14 +3427,14 @@ static int bond_xmit_hash_policy_l34(struct sk_buff *skb,
{
struct ethhdr *data = (struct ethhdr *)skb->data;
struct iphdr *iph = ip_hdr(skb);
- u16 *layer4hdr = (u16 *)((u32 *)iph + iph->ihl);
+ __be16 *layer4hdr = (__be16 *)((u32 *)iph + iph->ihl);
int layer4_xor = 0;
if (skb->protocol == __constant_htons(ETH_P_IP)) {
if (!(iph->frag_off & __constant_htons(IP_MF|IP_OFFSET)) &&
(iph->protocol == IPPROTO_TCP ||
iph->protocol == IPPROTO_UDP)) {
- layer4_xor = htons((*layer4hdr ^ *(layer4hdr + 1)));
+ layer4_xor = ntohs((*layer4hdr ^ *(layer4hdr + 1)));
}
return (layer4_xor ^
((ntohl(iph->saddr ^ iph->daddr)) & 0xffff)) % count;
@@ -3752,7 +3709,7 @@ static int bond_do_ioctl(struct net_device *bond_dev, struct ifreq *ifr, int cmd
}
down_write(&(bonding_rwsem));
- slave_dev = dev_get_by_name(ifr->ifr_slave);
+ slave_dev = dev_get_by_name(&init_net, ifr->ifr_slave);
dprintk("slave_dev=%p: \n", slave_dev);
@@ -4235,10 +4192,6 @@ static void bond_ethtool_get_drvinfo(struct net_device *bond_dev,
}
static const struct ethtool_ops bond_ethtool_ops = {
- .get_tx_csum = ethtool_op_get_tx_csum,
- .get_tso = ethtool_op_get_tso,
- .get_ufo = ethtool_op_get_ufo,
- .get_sg = ethtool_op_get_sg,
.get_drvinfo = bond_ethtool_get_drvinfo,
};
@@ -4568,7 +4521,7 @@ static int bond_check_params(struct bond_params *params)
arp_ip_target[arp_ip_count]);
arp_interval = 0;
} else {
- u32 ip = in_aton(arp_ip_target[arp_ip_count]);
+ __be32 ip = in_aton(arp_ip_target[arp_ip_count]);
arp_target[arp_ip_count] = ip;
}
}
@@ -4707,8 +4660,6 @@ int bond_create(char *name, struct bond_params *params, struct bonding **newbond
goto out_netdev;
}
- SET_MODULE_OWNER(bond_dev);
-
res = register_netdevice(bond_dev);
if (res < 0) {
goto out_bond;
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