提交 c5cd11e3 编写于 作者: A Alexander Duyck 提交者: David S. Miller

igb: rework igb_set_multi so that vfs are properly updated

Currently if there are no multicast addresses programmed into the PF then
the VFs cannot have their multicast filters reset.  This change makes it so
the code path that updates vf multicast is always called along with the pf
updates.
Signed-off-by: NAlexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 0e340485
......@@ -2464,7 +2464,7 @@ static void igb_set_multi(struct net_device *netdev)
struct e1000_hw *hw = &adapter->hw;
struct e1000_mac_info *mac = &hw->mac;
struct dev_mc_list *mc_ptr;
u8 *mta_list;
u8 *mta_list = NULL;
u32 rctl;
int i;
......@@ -2485,17 +2485,15 @@ static void igb_set_multi(struct net_device *netdev)
}
wr32(E1000_RCTL, rctl);
if (!netdev->mc_count) {
/* nothing to program, so clear mc list */
igb_update_mc_addr_list(hw, NULL, 0, 1,
mac->rar_entry_count);
return;
if (netdev->mc_count) {
mta_list = kzalloc(netdev->mc_count * 6, GFP_ATOMIC);
if (!mta_list) {
dev_err(&adapter->pdev->dev,
"failed to allocate multicast filter list\n");
return;
}
}
mta_list = kzalloc(netdev->mc_count * 6, GFP_ATOMIC);
if (!mta_list)
return;
/* The shared function expects a packed array of only addresses. */
mc_ptr = netdev->mc_list;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册