net: convert unicast addr list
This patch converts unicast address list to standard list_head using
previously introduced struct netdev_hw_addr. It also relaxes the
locking. Original spinlock (still used for multicast addresses) is not
needed and is no longer used for a protection of this list. All
reading and writing takes place under rtnl (with no changes).
I also removed a possibility to specify the length of the address
while adding or deleting unicast address. It's always dev->addr_len.
The convertion touched especially e1000 and ixgbe codes when the
change is not so trivial.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
drivers/net/bnx2.c | 13 +--
drivers/net/e1000/e1000_main.c | 24 +++--
drivers/net/ixgbe/ixgbe_common.c | 14 ++--
drivers/net/ixgbe/ixgbe_common.h | 4 +-
drivers/net/ixgbe/ixgbe_main.c | 6 +-
drivers/net/ixgbe/ixgbe_type.h | 4 +-
drivers/net/macvlan.c | 11 +-
drivers/net/mv643xx_eth.c | 11 +-
drivers/net/niu.c | 7 +-
drivers/net/virtio_net.c | 7 +-
drivers/s390/net/qeth_l2_main.c | 6 +-
drivers/scsi/fcoe/fcoe.c | 16 ++--
include/linux/netdevice.h | 18 ++--
net/8021q/vlan.c | 4 +-
net/8021q/vlan_dev.c | 10 +-
net/core/dev.c | 195 +++++++++++++++++++++++++++-----------
net/dsa/slave.c | 10 +-
net/packet/af_packet.c | 4 +-
18 files changed, 227 insertions(+), 137 deletions(-)
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 83ee0f5..f530172 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -48,6 +48,7 @@
#include <linux/cache.h>
#include <linux/firmware.h>
#include <linux/log2.h>
+#include <linux/list.h>
#include "bnx2.h"
#include "bnx2_fw.h"
@@ -3310,7 +3311,7 @@
{
struct bnx2 *bp = netdev_priv(dev);
u32 rx_mode, sort_mode;
- struct dev_addr_list *uc_ptr;
+ struct netdev_hw_addr *ha;
int i;
if (!netif_running(dev))
@@ -3369,21 +3370,19 @@
sort_mode |= BNX2_RPM_SORT_USER0_MC_HSH_EN;
}
- uc_ptr = NULL;
if (dev->uc_count > BNX2_MAX_UNICAST_ADDRESSES) {
rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
sort_mode |= BNX2_RPM_SORT_USER0_PROM_EN |
BNX2_RPM_SORT_USER0_PROM_VLAN;
} else if (!(dev->flags & IFF_PROMISC)) {
- uc_ptr = dev->uc_list;
-
/* Add all entries into to the match filter list */
- for (i = 0; i < dev->uc_count; i++) {
- bnx2_set_mac_addr(bp, uc_ptr->da_addr,
+ i = 0;
+ list_for_each_entry(ha, &dev->uc_list, list) {
+ bnx2_set_mac_addr(bp, ha->addr,
i + BNX2_START_UNICAST_ADDRESS_INDEX);
sort_mode |= (1 <<
(i + BNX2_START_UNICAST_ADDRESS_INDEX));
- uc_ptr = uc_ptr->next;
+ i++;
}
}
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 79fe1ee..74667e5 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2330,7 +2330,8 @@
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- struct dev_addr_list *uc_ptr;
+ struct netdev_hw_addr *ha;
+ bool use_uc = false;
struct dev_addr_list *mc_ptr;
u32 rctl;
u32 hash_value;
@@ -2369,12 +2370,11 @@
rctl |= E1000_RCTL_VFE;
}
- uc_ptr = NULL;
if (netdev->uc_count > rar_entries - 1) {
rctl |= E1000_RCTL_UPE;
} else if (!(netdev->flags & IFF_PROMISC)) {
rctl &= ~E1000_RCTL_UPE;
- uc_ptr = netdev->uc_list;
+ use_uc = true;
}
ew32(RCTL, rctl);
@@ -2392,13 +2392,20 @@
* if there are not 14 addresses, go ahead and clear the filters
* -- with 82571 controllers only 0-13 entries are filled here
*/
+ i = 1;
+ if (use_uc)
+ list_for_each_entry(ha, &netdev->uc_list, list) {
+ if (i == rar_entries)
+ break;
+ e1000_rar_set(hw, ha->addr, i++);
+ }
+
+ WARN_ON(i == rar_entries);
+
mc_ptr = netdev->mc_list;
- for (i = 1; i < rar_entries; i++) {
- if (uc_ptr) {
- e1000_rar_set(hw, uc_ptr->da_addr, i);
- uc_ptr = uc_ptr->next;
- } else if (mc_ptr) {
+ for (; i < rar_entries; i++) {
+ if (mc_ptr) {
e1000_rar_set(hw, mc_ptr->da_addr, i);
mc_ptr = mc_ptr->next;
} else {
@@ -2408,7 +2415,6 @@
E1000_WRITE_FLUSH();
}
}
- WARN_ON(uc_ptr != NULL);
/* load any remaining addresses into the hash table */
diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index 0cc3c47..6f79409 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -28,6 +28,8 @@
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/sched.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
#include "ixgbe.h"
#include "ixgbe_common.h"
@@ -1356,15 +1358,14 @@
* Drivers using secondary unicast addresses must set user_set_promisc when
* manually putting the device into promiscuous mode.
**/
-s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, u8 *addr_list,
- u32 addr_count, ixgbe_mc_addr_itr next)
+s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw,
+ struct list_head *uc_list)
{
- u8 *addr;
u32 i;
u32 old_promisc_setting = hw->addr_ctrl.overflow_promisc;
u32 uc_addr_in_use;
u32 fctrl;
- u32 vmdq;
+ struct netdev_hw_addr *ha;
/*
* Clear accounting of old secondary address list,
@@ -1382,10 +1383,9 @@
}
/* Add the new addresses */
- for (i = 0; i < addr_count; i++) {
+ list_for_each_entry(ha, uc_list, list) {
hw_dbg(hw, " Adding the secondary addresses:\n");
- addr = next(hw, &addr_list, &vmdq);
- ixgbe_add_uc_addr(hw, addr, vmdq);
+ ixgbe_add_uc_addr(hw, ha->addr, 0);
}
if (hw->addr_ctrl.overflow_promisc) {
diff --git a/drivers/net/ixgbe/ixgbe_common.h b/drivers/net/ixgbe/ixgbe_common.h
index dd26089..b2a4b2c 100644
--- a/drivers/net/ixgbe/ixgbe_common.h
+++ b/drivers/net/ixgbe/ixgbe_common.h
@@ -59,8 +59,8 @@
s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, u8 *mc_addr_list,
u32 mc_addr_count,
ixgbe_mc_addr_itr func);
-s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, u8 *addr_list,
- u32 addr_count, ixgbe_mc_addr_itr func);
+s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw,
+ struct list_head *uc_list);
s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw);
s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw);
s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval);
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 924aa5e..de70a2d 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -2181,11 +2181,7 @@
IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
/* reprogram secondary unicast list */
- addr_count = netdev->uc_count;
- if (addr_count)
- addr_list = netdev->uc_list->dmi_addr;
- hw->mac.ops.update_uc_addr_list(hw, addr_list, addr_count,
- ixgbe_addr_list_itr);
+ hw->mac.ops.update_uc_addr_list(hw, &netdev->uc_list);
/* reprogram multicast list */
addr_count = netdev->mc_count;
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index df1f703..a8a8243 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -30,6 +30,7 @@
#include <linux/types.h>
#include <linux/mdio.h>
+#include <linux/list.h>
/* Vendor ID */
#define IXGBE_INTEL_VENDOR_ID 0x8086
@@ -2223,8 +2224,7 @@
s32 (*set_vmdq)(struct ixgbe_hw *, u32, u32);
s32 (*clear_vmdq)(struct ixgbe_hw *, u32, u32);
s32 (*init_rx_addrs)(struct ixgbe_hw *);
- s32 (*update_uc_addr_list)(struct ixgbe_hw *, u8 *, u32,
- ixgbe_mc_addr_itr);
+ s32 (*update_uc_addr_list)(struct ixgbe_hw *, struct list_head *);
s32 (*update_mc_addr_list)(struct ixgbe_hw *, u8 *, u32,
ixgbe_mc_addr_itr);
s32 (*enable_mc)(struct ixgbe_hw *);
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index d5334b4..021d994 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -232,7 +232,7 @@
if (macvlan_addr_busy(vlan->port, dev->dev_addr))
goto out;
- err = dev_unicast_add(lowerdev, dev->dev_addr, ETH_ALEN);
+ err = dev_unicast_add(lowerdev, dev->dev_addr);
if (err < 0)
goto out;
if (dev->flags & IFF_ALLMULTI) {
@@ -244,7 +244,7 @@
return 0;
del_unicast:
- dev_unicast_delete(lowerdev, dev->dev_addr, ETH_ALEN);
+ dev_unicast_delete(lowerdev, dev->dev_addr);
out:
return err;
}
@@ -258,7 +258,7 @@
if (dev->flags & IFF_ALLMULTI)
dev_set_allmulti(lowerdev, -1);
- dev_unicast_delete(lowerdev, dev->dev_addr, ETH_ALEN);
+ dev_unicast_delete(lowerdev, dev->dev_addr);
macvlan_hash_del(vlan);
return 0;
@@ -282,10 +282,11 @@
if (macvlan_addr_busy(vlan->port, addr->sa_data))
return -EBUSY;
- if ((err = dev_unicast_add(lowerdev, addr->sa_data, ETH_ALEN)))
+ err = dev_unicast_add(lowerdev, addr->sa_data);
+ if (err)
return err;
- dev_unicast_delete(lowerdev, dev->dev_addr, ETH_ALEN);
+ dev_unicast_delete(lowerdev, dev->dev_addr);
macvlan_hash_change_addr(vlan, addr->sa_data);
}
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 1361ddc..b4e18a5 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -55,6 +55,7 @@
#include <linux/types.h>
#include <linux/inet_lro.h>
#include <asm/system.h>
+#include <linux/list.h>
static char mv643xx_eth_driver_name[] = "mv643xx_eth";
static char mv643xx_eth_driver_version[] = "1.4";
@@ -1721,20 +1722,20 @@
static u32 uc_addr_filter_mask(struct net_device *dev)
{
- struct dev_addr_list *uc_ptr;
+ struct netdev_hw_addr *ha;
u32 nibbles;
if (dev->flags & IFF_PROMISC)
return 0;
nibbles = 1 << (dev->dev_addr[5] & 0x0f);
- for (uc_ptr = dev->uc_list; uc_ptr != NULL; uc_ptr = uc_ptr->next) {
- if (memcmp(dev->dev_addr, uc_ptr->da_addr, 5))
+ list_for_each_entry(ha, &dev->uc_list, list) {
+ if (memcmp(dev->dev_addr, ha->addr, 5))
return 0;
- if ((dev->dev_addr[5] ^ uc_ptr->da_addr[5]) & 0xf0)
+ if ((dev->dev_addr[5] ^ ha->addr[5]) & 0xf0)
return 0;
- nibbles |= 1 << (uc_ptr->da_addr[5] & 0x0f);
+ nibbles |= 1 << (ha->addr[5] & 0x0f);
}
return nibbles;
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index edac3a0..fa61a12 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -22,6 +22,7 @@
#include <linux/log2.h>
#include <linux/jiffies.h>
#include <linux/crc32.h>
+#include <linux/list.h>
#include <linux/io.h>
@@ -6362,6 +6363,7 @@
struct niu *np = netdev_priv(dev);
int i, alt_cnt, err;
struct dev_addr_list *addr;
+ struct netdev_hw_addr *ha;
unsigned long flags;
u16 hash[16] = { 0, };
@@ -6383,9 +6385,8 @@
if (alt_cnt) {
int index = 0;
- for (addr = dev->uc_list; addr; addr = addr->next) {
- err = niu_set_alt_mac(np, index,
- addr->da_addr);
+ list_for_each_entry(ha, &dev->uc_list, list) {
+ err = niu_set_alt_mac(np, index, ha->addr);
if (err)
printk(KERN_WARNING PFX "%s: Error %d "
"adding alt mac %d\n",
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 6cc5bcd..0c9ca67 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -680,6 +680,7 @@
u8 promisc, allmulti;
struct virtio_net_ctrl_mac *mac_data;
struct dev_addr_list *addr;
+ struct netdev_hw_addr *ha;
void *buf;
int i;
@@ -718,9 +719,9 @@
/* Store the unicast list and count in the front of the buffer */
mac_data->entries = dev->uc_count;
- addr = dev->uc_list;
- for (i = 0; i < dev->uc_count; i++, addr = addr->next)
- memcpy(&mac_data->macs[i][0], addr->da_addr, ETH_ALEN);
+ i = 0;
+ list_for_each_entry(ha, &dev->uc_list, list)
+ memcpy(&mac_data->macs[i++][0], ha->addr, ETH_ALEN);
sg_set_buf(&sg[0], mac_data,
sizeof(mac_data->entries) + (dev->uc_count * ETH_ALEN));