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Commit ccffad25 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

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: default avatarJiri 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: default avatarDavid S. Miller <davem@davemloft.net>
parent ae63e808

drivers/net/bnx2.c

+6 −7
Original line number Diff line number Diff line
@@ -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 @@ bnx2_set_rx_mode(struct net_device *dev) 
{

	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 @@ bnx2_set_rx_mode(struct net_device *dev) 
		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++;

		}



	}

drivers/net/e1000/e1000_main.c

+15 −9
Original line number Diff line number Diff line
@@ -2330,7 +2330,8 @@ static void e1000_set_rx_mode(struct net_device *netdev) 
{

	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 @@ static void e1000_set_rx_mode(struct net_device *netdev) 
			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 @@ static void e1000_set_rx_mode(struct net_device *netdev) 
	 * 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 @@ static void e1000_set_rx_mode(struct net_device *netdev) 
			E1000_WRITE_FLUSH();

		}

	}

	WARN_ON(uc_ptr != NULL);



	/* load any remaining addresses into the hash table */

drivers/net/ixgbe/ixgbe_common.c

+7 −7
Original line number Diff line number Diff line
@@ -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 @@ static void ixgbe_add_uc_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq) 
 *  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 @@ s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, u8 *addr_list, 
	}



	/* 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) {

drivers/net/ixgbe/ixgbe_common.h

+2 −2
Original line number Diff line number Diff line
@@ -59,8 +59,8 @@ s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw); 
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);

drivers/net/ixgbe/ixgbe_main.c

+1 −5
Original line number Diff line number Diff line
@@ -2181,11 +2181,7 @@ static void ixgbe_set_rx_mode(struct net_device *netdev) 
	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;