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i40e: avoid O(n^2) loop when deleting all filters 

Use __i40e_del_filter instead of using i40e_del_filter() which will
avoid doing an additional search to delete a filter we already have the
pointer for.

Change-ID: Iea5a7e3cafbf8c682ed9d3b6c69cf5ff53f44daf
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
hifive-unleashed-5.1
Jacob Keller 2016-11-11 12:39:36 -08:00 committed by Jeff Kirsher
parent feffdbe47d
commit 148141bb26
3 changed files with 3 additions and 2 deletions
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1
drivers/net/ethernet/intel/i40e/i40e.h
View File

@ -762,6 +762,7 @@ bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features);
void i40e_set_ethtool_ops(struct net_device *netdev);
struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
const u8 *macaddr, s16 vlan);
void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f);
void i40e_del_filter(struct i40e_vsi *vsi, const u8 *macaddr, s16 vlan);
int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,

2
drivers/net/ethernet/intel/i40e/i40e_main.c
View File

@ -1434,7 +1434,7 @@ struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
* the "safe" variants of any list iterators, e.g. list_for_each_entry_safe()
* instead of list_for_each_entry().
**/
static void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f)
void __i40e_del_filter(struct i40e_vsi *vsi, struct i40e_mac_filter *f)
{
if (!f)
return;

2
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
View File

@ -2725,7 +2725,7 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
* anyway.
*/
hash_for_each(vsi->mac_filter_hash, bkt, f, hlist)
i40e_del_filter(vsi, f->macaddr, f->vlan);
__i40e_del_filter(vsi, f);
spin_unlock_bh(&vsi->mac_filter_hash_lock);