diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 2ec6e8a11ee137dbf9c972822b424847a9b39670..0fbb32a8ad420373a74aecb9e29e08f4b608e45c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -154,7 +154,7 @@ struct i40e_lump_tracking { #define I40E_DEFAULT_ATR_SAMPLE_RATE 20 #define I40E_FDIR_MAX_RAW_PACKET_SIZE 512 #define I40E_FDIR_BUFFER_FULL_MARGIN 10 -#define I40E_FDIR_BUFFER_HEAD_ROOM 200 +#define I40E_FDIR_BUFFER_HEAD_ROOM 32 enum i40e_fd_stat_idx { I40E_FD_STAT_ATR, @@ -582,6 +582,7 @@ 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); +int i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf); 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, diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 5980d6b3fb1aefc78e0cfc3925253091d1a003ba..17b1295bf35aed58af24fcd58518349d7daf4e80 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -4944,7 +4944,20 @@ static void i40e_service_event_complete(struct i40e_pf *pf) } /** - * i40e_get_current_fd_count - Get the count of FD filters programmed in the HW + * i40e_get_cur_guaranteed_fd_count - Get the consumed guaranteed FD filters + * @pf: board private structure + **/ +int i40e_get_cur_guaranteed_fd_count(struct i40e_pf *pf) +{ + int val, fcnt_prog; + + val = rd32(&pf->hw, I40E_PFQF_FDSTAT); + fcnt_prog = (val & I40E_PFQF_FDSTAT_GUARANT_CNT_MASK); + return fcnt_prog; +} + +/** + * i40e_get_current_fd_count - Get the count of total FD filters programmed * @pf: board private structure **/ int i40e_get_current_fd_count(struct i40e_pf *pf) @@ -4956,7 +4969,6 @@ int i40e_get_current_fd_count(struct i40e_pf *pf) I40E_PFQF_FDSTAT_BEST_CNT_SHIFT); return fcnt_prog; } - /** * i40e_fdir_check_and_reenable - Function to reenabe FD ATR or SB if disabled * @pf: board private structure @@ -4971,8 +4983,8 @@ void i40e_fdir_check_and_reenable(struct i40e_pf *pf) if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) && (pf->flags & I40E_FLAG_FD_SB_ENABLED)) return; - fcnt_prog = i40e_get_current_fd_count(pf); - fcnt_avail = i40e_get_fd_cnt_all(pf); + fcnt_prog = i40e_get_cur_guaranteed_fd_count(pf); + fcnt_avail = pf->fdir_pf_filter_count; if (fcnt_prog < (fcnt_avail - I40E_FDIR_BUFFER_HEAD_ROOM)) { if ((pf->flags & I40E_FLAG_FD_SB_ENABLED) && (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)) { diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 4d96b743f99125f2fab5af09fc9a8758b5526897..c5749d6526eade0b1043c75e7cf1659d77c1da7a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -437,8 +437,8 @@ static void i40e_fd_handle_status(struct i40e_ring *rx_ring, rx_desc->wb.qword0.hi_dword.fd_id); /* filter programming failed most likely due to table full */ - fcnt_prog = i40e_get_current_fd_count(pf); - fcnt_avail = i40e_get_fd_cnt_all(pf); + fcnt_prog = i40e_get_cur_guaranteed_fd_count(pf); + fcnt_avail = pf->fdir_pf_filter_count; /* If ATR is running fcnt_prog can quickly change, * if we are very close to full, it makes sense to disable * FD ATR/SB and then re-enable it when there is room.