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-rw-r--r--drivers/net/bonding/bond_alb.c41
-rw-r--r--drivers/net/bonding/bond_main.c80
-rw-r--r--drivers/net/bonding/bonding.h10
3 files changed, 97 insertions, 34 deletions
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index b211486a0ca..87437c78847 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -38,6 +38,7 @@
#include <linux/in.h>
#include <net/ipx.h>
#include <net/arp.h>
+#include <net/ipv6.h>
#include <asm/byteorder.h>
#include "bonding.h"
#include "bond_alb.h"
@@ -81,6 +82,7 @@
#define RLB_PROMISC_TIMEOUT 10*ALB_TIMER_TICKS_PER_SEC
static const u8 mac_bcast[ETH_ALEN] = {0xff,0xff,0xff,0xff,0xff,0xff};
+static const u8 mac_v6_allmcast[ETH_ALEN] = {0x33,0x33,0x00,0x00,0x00,0x01};
static const int alb_delta_in_ticks = HZ / ALB_TIMER_TICKS_PER_SEC;
#pragma pack(1)
@@ -167,11 +169,14 @@ static void tlb_clear_slave(struct bonding *bond, struct slave *slave, int save_
/* clear slave from tx_hashtbl */
tx_hash_table = BOND_ALB_INFO(bond).tx_hashtbl;
- index = SLAVE_TLB_INFO(slave).head;
- while (index != TLB_NULL_INDEX) {
- u32 next_index = tx_hash_table[index].next;
- tlb_init_table_entry(&tx_hash_table[index], save_load);
- index = next_index;
+ /* skip this if we've already freed the tx hash table */
+ if (tx_hash_table) {
+ index = SLAVE_TLB_INFO(slave).head;
+ while (index != TLB_NULL_INDEX) {
+ u32 next_index = tx_hash_table[index].next;
+ tlb_init_table_entry(&tx_hash_table[index], save_load);
+ index = next_index;
+ }
}
tlb_init_slave(slave);
@@ -710,7 +715,7 @@ static struct slave *rlb_arp_xmit(struct sk_buff *skb, struct bonding *bond)
struct arp_pkt *arp = arp_pkt(skb);
struct slave *tx_slave = NULL;
- if (arp->op_code == __constant_htons(ARPOP_REPLY)) {
+ if (arp->op_code == htons(ARPOP_REPLY)) {
/* the arp must be sent on the selected
* rx channel
*/
@@ -719,7 +724,7 @@ static struct slave *rlb_arp_xmit(struct sk_buff *skb, struct bonding *bond)
memcpy(arp->mac_src,tx_slave->dev->dev_addr, ETH_ALEN);
}
dprintk("Server sent ARP Reply packet\n");
- } else if (arp->op_code == __constant_htons(ARPOP_REQUEST)) {
+ } else if (arp->op_code == htons(ARPOP_REQUEST)) {
/* Create an entry in the rx_hashtbl for this client as a
* place holder.
* When the arp reply is received the entry will be updated
@@ -1290,6 +1295,7 @@ int bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev)
u32 hash_index = 0;
const u8 *hash_start = NULL;
int res = 1;
+ struct ipv6hdr *ip6hdr;
skb_reset_mac_header(skb);
eth_data = eth_hdr(skb);
@@ -1319,11 +1325,32 @@ int bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev)
}
break;
case ETH_P_IPV6:
+ /* IPv6 doesn't really use broadcast mac address, but leave
+ * that here just in case.
+ */
if (memcmp(eth_data->h_dest, mac_bcast, ETH_ALEN) == 0) {
do_tx_balance = 0;
break;
}
+ /* IPv6 uses all-nodes multicast as an equivalent to
+ * broadcasts in IPv4.
+ */
+ if (memcmp(eth_data->h_dest, mac_v6_allmcast, ETH_ALEN) == 0) {
+ do_tx_balance = 0;
+ break;
+ }
+
+ /* Additianally, DAD probes should not be tx-balanced as that
+ * will lead to false positives for duplicate addresses and
+ * prevent address configuration from working.
+ */
+ ip6hdr = ipv6_hdr(skb);
+ if (ipv6_addr_any(&ip6hdr->saddr)) {
+ do_tx_balance = 0;
+ break;
+ }
+
hash_start = (char *)&(ipv6_hdr(skb)->daddr);
hash_size = sizeof(ipv6_hdr(skb)->daddr);
break;
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index c792138511e..a3efba59eee 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1341,18 +1341,24 @@ static int bond_compute_features(struct bonding *bond)
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;
+ features |= NETIF_F_GSO_MASK | NETIF_F_NO_CSUM;
+
+ if (!bond->first_slave)
+ goto done;
+
+ features &= ~NETIF_F_ONE_FOR_ALL;
bond_for_each_slave(bond, slave, i) {
- features = netdev_compute_features(features,
- slave->dev->features);
+ features = netdev_increment_features(features,
+ slave->dev->features,
+ NETIF_F_ONE_FOR_ALL);
if (slave->dev->hard_header_len > max_hard_header_len)
max_hard_header_len = slave->dev->hard_header_len;
}
+done:
features |= (bond_dev->features & BOND_VLAN_FEATURES);
- bond_dev->features = features;
+ bond_dev->features = netdev_fix_features(features, NULL);
bond_dev->hard_header_len = max_hard_header_len;
return 0;
@@ -1973,6 +1979,20 @@ void bond_destroy(struct bonding *bond)
unregister_netdevice(bond->dev);
}
+static void bond_destructor(struct net_device *bond_dev)
+{
+ struct bonding *bond = bond_dev->priv;
+
+ 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.
* Must be under rtnl_lock when this function is called.
@@ -2370,6 +2390,9 @@ static void bond_miimon_commit(struct bonding *bond)
continue;
case BOND_LINK_DOWN:
+ if (slave->link_failure_count < UINT_MAX)
+ slave->link_failure_count++;
+
slave->link = BOND_LINK_DOWN;
if (bond->params.mode == BOND_MODE_ACTIVEBACKUP ||
@@ -3702,7 +3725,7 @@ static int bond_xmit_hash_policy_l23(struct sk_buff *skb,
struct ethhdr *data = (struct ethhdr *)skb->data;
struct iphdr *iph = ip_hdr(skb);
- if (skb->protocol == __constant_htons(ETH_P_IP)) {
+ if (skb->protocol == htons(ETH_P_IP)) {
return ((ntohl(iph->saddr ^ iph->daddr) & 0xffff) ^
(data->h_dest[5] ^ bond_dev->dev_addr[5])) % count;
}
@@ -3723,8 +3746,8 @@ static int bond_xmit_hash_policy_l34(struct sk_buff *skb,
__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)) &&
+ if (skb->protocol == htons(ETH_P_IP)) {
+ if (!(iph->frag_off & htons(IP_MF|IP_OFFSET)) &&
(iph->protocol == IPPROTO_TCP ||
iph->protocol == IPPROTO_UDP)) {
layer4_xor = ntohs((*layer4hdr ^ *(layer4hdr + 1)));
@@ -4493,6 +4516,12 @@ static void bond_ethtool_get_drvinfo(struct net_device *bond_dev,
static const struct ethtool_ops bond_ethtool_ops = {
.get_drvinfo = bond_ethtool_get_drvinfo,
+ .get_link = ethtool_op_get_link,
+ .get_tx_csum = ethtool_op_get_tx_csum,
+ .get_sg = ethtool_op_get_sg,
+ .get_tso = ethtool_op_get_tso,
+ .get_ufo = ethtool_op_get_ufo,
+ .get_flags = ethtool_op_get_flags,
};
/*
@@ -4538,7 +4567,7 @@ static int bond_init(struct net_device *bond_dev, struct bond_params *params)
bond_set_mode_ops(bond, bond->params.mode);
- bond_dev->destructor = free_netdev;
+ bond_dev->destructor = bond_destructor;
/* Initialize the device options */
bond_dev->tx_queue_len = 0;
@@ -4577,20 +4606,6 @@ static int bond_init(struct net_device *bond_dev, struct bond_params *params)
return 0;
}
-/* De-initialize device specific data.
- * Caller must hold rtnl_lock.
- */
-static void bond_deinit(struct net_device *bond_dev)
-{
- struct bonding *bond = bond_dev->priv;
-
- list_del(&bond->bond_list);
-
-#ifdef CONFIG_PROC_FS
- bond_remove_proc_entry(bond);
-#endif
-}
-
static void bond_work_cancel_all(struct bonding *bond)
{
write_lock_bh(&bond->lock);
@@ -4612,6 +4627,22 @@ static void bond_work_cancel_all(struct bonding *bond)
cancel_delayed_work(&bond->ad_work);
}
+/* De-initialize device specific data.
+ * Caller must hold rtnl_lock.
+ */
+static void bond_deinit(struct net_device *bond_dev)
+{
+ struct bonding *bond = bond_dev->priv;
+
+ list_del(&bond->bond_list);
+
+ bond_work_cancel_all(bond);
+
+#ifdef CONFIG_PROC_FS
+ bond_remove_proc_entry(bond);
+#endif
+}
+
/* Unregister and free all bond devices.
* Caller must hold rtnl_lock.
*/
@@ -4623,9 +4654,6 @@ static void bond_free_all(void)
struct net_device *bond_dev = bond->dev;
bond_work_cancel_all(bond);
- netif_addr_lock_bh(bond_dev);
- bond_mc_list_destroy(bond);
- netif_addr_unlock_bh(bond_dev);
/* Release the bonded slaves */
bond_release_all(bond_dev);
bond_destroy(bond);
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index fb730ec0396..ffb668dd6d3 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -32,7 +32,7 @@
#ifdef BONDING_DEBUG
#define dprintk(fmt, args...) \
printk(KERN_DEBUG \
- DRV_NAME ": %s() %d: " fmt, __FUNCTION__, __LINE__ , ## args )
+ DRV_NAME ": %s() %d: " fmt, __func__, __LINE__ , ## args )
#else
#define dprintk(fmt, args...)
#endif /* BONDING_DEBUG */
@@ -333,5 +333,13 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active);
void bond_register_arp(struct bonding *);
void bond_unregister_arp(struct bonding *);
+/* exported from bond_main.c */
+extern struct list_head bond_dev_list;
+extern struct bond_parm_tbl bond_lacp_tbl[];
+extern struct bond_parm_tbl bond_mode_tbl[];
+extern struct bond_parm_tbl xmit_hashtype_tbl[];
+extern struct bond_parm_tbl arp_validate_tbl[];
+extern struct bond_parm_tbl fail_over_mac_tbl[];
+
#endif /* _LINUX_BONDING_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-04-14 05:02:04 +0000