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| author | Anjali Singhai Jain <anjali.singhai@intel.com> | 2014-02-12 06:33:25 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-03-14 16:30:03 -0700 |
| commit | 55a5e60b9f583f64a6c95cfe869dd2d65ae53a95 (patch) | |
| tree | 769c369562564b3593c53c03b04de071cf9764d5 /drivers/net/ethernet/intel/i40e/i40e.h | |
| parent | 61dade7e9201162cba683cff103cebbdf06655d4 (diff) | |
| download | lwn-55a5e60b9f583f64a6c95cfe869dd2d65ae53a95.tar.gz lwn-55a5e60b9f583f64a6c95cfe869dd2d65ae53a95.zip | |
i40e: Add code to handle FD table full condition
Add code to enforce the following policy:
- If the HW reports filter programming error, we check if it's due to a
full table.
- If so, we go ahead and turn off new rule addition for ATR and then SB
in that order.
- We monitor the programmed filter count, if enough room is created due
to filter deletion/reset, we then re-enable SB and ATR new rule addition.
Change-ID: I69d24b29e5c45bc4fa861258e11c2fa7b8868748
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index a19165395b7f..bd1b4690a608 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -152,7 +152,10 @@ struct i40e_lump_tracking { }; #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 -#define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 +#define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 +#define I40E_FDIR_BUFFER_FULL_MARGIN 10 +#define I40E_FDIR_BUFFER_HEAD_ROOM 200 + struct i40e_fdir_filter { struct hlist_node fdir_node; /* filter ipnut set */ @@ -553,6 +556,8 @@ int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet, struct i40e_pf *pf, bool add); int i40e_add_del_fdir(struct i40e_vsi *vsi, struct i40e_fdir_filter *input, bool add); +void i40e_fdir_check_and_reenable(struct i40e_pf *pf); +int i40e_get_current_fd_count(struct i40e_pf *pf); void i40e_set_ethtool_ops(struct net_device *netdev); struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan, |