From 55a5e60b9f583f64a6c95cfe869dd2d65ae53a95 Mon Sep 17 00:00:00 2001 From: Anjali Singhai Jain Date: Wed, 12 Feb 2014 06:33:25 +0000 Subject: 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 Signed-off-by: Catherine Sullivan Tested-by: Kavindya Deegala Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/net/ethernet/intel/i40e/i40e.h') 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, -- cgit