diff options
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 19 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.c | 17 |
3 files changed, 34 insertions, 11 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 55ea1c0..c0f2286 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -286,7 +286,14 @@ struct i40e_pf { u32 fd_flush_cnt; u32 fd_add_err; u32 fd_atr_cnt; - u32 fd_tcp_rule; + + /* Book-keeping of side-band filter count per flow-type. + * This is used to detect and handle input set changes for + * respective flow-type. + */ + u16 fd_tcp4_filter_cnt; + u16 fd_udp4_filter_cnt; + u16 fd_ip4_filter_cnt; struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS]; u16 pending_udp_bitmap; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index cc33ac8..caccb8e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -3284,7 +3284,9 @@ static void i40e_fdir_filter_restore(struct i40e_vsi *vsi) return; /* Reset FDir counters as we're replaying all existing filters */ - pf->fd_tcp_rule = 0; + pf->fd_tcp4_filter_cnt = 0; + pf->fd_udp4_filter_cnt = 0; + pf->fd_ip4_filter_cnt = 0; hlist_for_each_entry_safe(filter, node, &pf->fdir_filter_list, fdir_node) { @@ -5468,7 +5470,8 @@ static int i40e_up_complete(struct i40e_vsi *vsi) /* replay FDIR SB filters */ if (vsi->type == I40E_VSI_FDIR) { /* reset fd counters */ - pf->fd_add_err = pf->fd_atr_cnt = 0; + pf->fd_add_err = 0; + pf->fd_atr_cnt = 0; i40e_fdir_filter_restore(vsi); } @@ -5751,7 +5754,11 @@ static void i40e_fdir_filter_exit(struct i40e_pf *pf) hlist_del(&filter->fdir_node); kfree(filter); } + pf->fdir_pf_active_filters = 0; + pf->fd_tcp4_filter_cnt = 0; + pf->fd_udp4_filter_cnt = 0; + pf->fd_ip4_filter_cnt = 0; } /** @@ -6156,7 +6163,7 @@ void i40e_fdir_check_and_reenable(struct i40e_pf *pf) if (fcnt_prog < (fcnt_avail - I40E_FDIR_BUFFER_HEAD_ROOM * 2)) { if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) && (pf->hw_disabled_flags & I40E_FLAG_FD_ATR_ENABLED) && - (pf->fd_tcp_rule == 0)) { + (pf->fd_tcp4_filter_cnt == 0)) { pf->hw_disabled_flags &= ~I40E_FLAG_FD_ATR_ENABLED; if (I40E_DEBUG_FD & pf->hw.debug_mask) dev_info(&pf->pdev->dev, "ATR is being enabled since we have space in the table and there are no conflicting ntuple rules\n"); @@ -6228,7 +6235,7 @@ static void i40e_fdir_flush_and_replay(struct i40e_pf *pf) } else { /* replay sideband filters */ i40e_fdir_filter_restore(pf->vsi[pf->lan_vsi]); - if (!disable_atr && !pf->fd_tcp_rule) + if (!disable_atr && !pf->fd_tcp4_filter_cnt) pf->hw_disabled_flags &= ~I40E_FLAG_FD_ATR_ENABLED; clear_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state); if (I40E_DEBUG_FD & pf->hw.debug_mask) @@ -8937,8 +8944,8 @@ bool i40e_set_ntuple(struct i40e_pf *pf, netdev_features_t features) pf->flags &= ~I40E_FLAG_FD_SB_ENABLED; pf->hw_disabled_flags &= ~I40E_FLAG_FD_SB_ENABLED; /* reset fd counters */ - pf->fd_add_err = pf->fd_atr_cnt = pf->fd_tcp_rule = 0; - pf->fdir_pf_active_filters = 0; + pf->fd_add_err = 0; + pf->fd_atr_cnt = 0; /* if ATR was auto disabled it can be re-enabled. */ if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) && (pf->hw_disabled_flags & I40E_FLAG_FD_ATR_ENABLED)) { diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 05f3d0d..3880e41 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -243,6 +243,11 @@ static int i40e_add_del_fdir_udpv4(struct i40e_vsi *vsi, fd_data->pctype, fd_data->fd_id); } + if (add) + pf->fd_udp4_filter_cnt++; + else + pf->fd_udp4_filter_cnt--; + return 0; } @@ -304,15 +309,14 @@ static int i40e_add_del_fdir_tcpv4(struct i40e_vsi *vsi, } if (add) { - pf->fd_tcp_rule++; + pf->fd_tcp4_filter_cnt++; if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) && I40E_DEBUG_FD & pf->hw.debug_mask) dev_info(&pf->pdev->dev, "Forcing ATR off, sideband rules for TCP/IPv4 flow being applied\n"); pf->hw_disabled_flags |= I40E_FLAG_FD_ATR_ENABLED; } else { - pf->fd_tcp_rule = (pf->fd_tcp_rule > 0) ? - (pf->fd_tcp_rule - 1) : 0; - if (pf->fd_tcp_rule == 0) { + pf->fd_tcp4_filter_cnt--; + if (pf->fd_tcp4_filter_cnt == 0) { if ((pf->flags & I40E_FLAG_FD_ATR_ENABLED) && I40E_DEBUG_FD & pf->hw.debug_mask) dev_info(&pf->pdev->dev, "ATR re-enabled due to no sideband TCP/IPv4 rules\n"); @@ -381,6 +385,11 @@ static int i40e_add_del_fdir_ipv4(struct i40e_vsi *vsi, } } + if (add) + pf->fd_ip4_filter_cnt++; + else + pf->fd_ip4_filter_cnt--; + return 0; } |