diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net_common.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 94 |
1 files changed, 47 insertions, 47 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index c6d29fdbb880..6bddfcfdec34 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -1,35 +1,5 @@ -/* - * Copyright (C) 2015-2017 Netronome Systems, Inc. - * - * This software is dual licensed under the GNU General License Version 2, - * June 1991 as shown in the file COPYING in the top-level directory of this - * source tree or the BSD 2-Clause License provided below. You have the - * option to license this software under the complete terms of either license. - * - * The BSD 2-Clause License: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * 1. Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * 2. Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* Copyright (C) 2015-2018 Netronome Systems, Inc. */ /* * nfp_net_common.c @@ -2094,10 +2064,10 @@ static void nfp_ctrl_poll(unsigned long arg) { struct nfp_net_r_vector *r_vec = (void *)arg; - spin_lock_bh(&r_vec->lock); + spin_lock(&r_vec->lock); nfp_net_tx_complete(r_vec->tx_ring, 0); __nfp_ctrl_tx_queued(r_vec); - spin_unlock_bh(&r_vec->lock); + spin_unlock(&r_vec->lock); if (nfp_ctrl_rx(r_vec)) { nfp_net_irq_unmask(r_vec->nfp_net, r_vec->irq_entry); @@ -2187,9 +2157,13 @@ nfp_net_tx_ring_alloc(struct nfp_net_dp *dp, struct nfp_net_tx_ring *tx_ring) tx_ring->size = array_size(tx_ring->cnt, sizeof(*tx_ring->txds)); tx_ring->txds = dma_zalloc_coherent(dp->dev, tx_ring->size, - &tx_ring->dma, GFP_KERNEL); - if (!tx_ring->txds) + &tx_ring->dma, + GFP_KERNEL | __GFP_NOWARN); + if (!tx_ring->txds) { + netdev_warn(dp->netdev, "failed to allocate TX descriptor ring memory, requested descriptor count: %d, consider lowering descriptor count\n", + tx_ring->cnt); goto err_alloc; + } tx_ring->txbufs = kvcalloc(tx_ring->cnt, sizeof(*tx_ring->txbufs), GFP_KERNEL); @@ -2341,9 +2315,13 @@ nfp_net_rx_ring_alloc(struct nfp_net_dp *dp, struct nfp_net_rx_ring *rx_ring) rx_ring->cnt = dp->rxd_cnt; rx_ring->size = array_size(rx_ring->cnt, sizeof(*rx_ring->rxds)); rx_ring->rxds = dma_zalloc_coherent(dp->dev, rx_ring->size, - &rx_ring->dma, GFP_KERNEL); - if (!rx_ring->rxds) + &rx_ring->dma, + GFP_KERNEL | __GFP_NOWARN); + if (!rx_ring->rxds) { + netdev_warn(dp->netdev, "failed to allocate RX descriptor ring memory, requested descriptor count: %d, consider lowering descriptor count\n", + rx_ring->cnt); goto err_alloc; + } rx_ring->rxbufs = kvcalloc(rx_ring->cnt, sizeof(*rx_ring->rxbufs), GFP_KERNEL); @@ -3159,6 +3137,7 @@ static void nfp_net_stat64(struct net_device *netdev, struct nfp_net *nn = netdev_priv(netdev); int r; + /* Collect software stats */ for (r = 0; r < nn->max_r_vecs; r++) { struct nfp_net_r_vector *r_vec = &nn->r_vecs[r]; u64 data[3]; @@ -3184,6 +3163,14 @@ static void nfp_net_stat64(struct net_device *netdev, stats->tx_bytes += data[1]; stats->tx_errors += data[2]; } + + /* Add in device stats */ + stats->multicast += nn_readq(nn, NFP_NET_CFG_STATS_RX_MC_FRAMES); + stats->rx_dropped += nn_readq(nn, NFP_NET_CFG_STATS_RX_DISCARDS); + stats->rx_errors += nn_readq(nn, NFP_NET_CFG_STATS_RX_ERRORS); + + stats->tx_dropped += nn_readq(nn, NFP_NET_CFG_STATS_TX_DISCARDS); + stats->tx_errors += nn_readq(nn, NFP_NET_CFG_STATS_TX_ERRORS); } static int nfp_net_set_features(struct net_device *netdev, @@ -3751,15 +3738,18 @@ static void nfp_net_netdev_init(struct nfp_net *nn) } if (nn->cap & NFP_NET_CFG_CTRL_RSS_ANY) netdev->hw_features |= NETIF_F_RXHASH; - if (nn->cap & NFP_NET_CFG_CTRL_VXLAN && - nn->cap & NFP_NET_CFG_CTRL_NVGRE) { + if (nn->cap & NFP_NET_CFG_CTRL_VXLAN) { if (nn->cap & NFP_NET_CFG_CTRL_LSO) - netdev->hw_features |= NETIF_F_GSO_GRE | - NETIF_F_GSO_UDP_TUNNEL; - nn->dp.ctrl |= NFP_NET_CFG_CTRL_VXLAN | NFP_NET_CFG_CTRL_NVGRE; - - netdev->hw_enc_features = netdev->hw_features; + netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; + nn->dp.ctrl |= NFP_NET_CFG_CTRL_VXLAN; + } + if (nn->cap & NFP_NET_CFG_CTRL_NVGRE) { + if (nn->cap & NFP_NET_CFG_CTRL_LSO) + netdev->hw_features |= NETIF_F_GSO_GRE; + nn->dp.ctrl |= NFP_NET_CFG_CTRL_NVGRE; } + if (nn->cap & (NFP_NET_CFG_CTRL_VXLAN | NFP_NET_CFG_CTRL_NVGRE)) + netdev->hw_enc_features = netdev->hw_features; netdev->vlan_features = netdev->hw_features; @@ -3864,10 +3854,20 @@ int nfp_net_init(struct nfp_net *nn) return err; /* Set default MTU and Freelist buffer size */ - if (nn->max_mtu < NFP_NET_DEFAULT_MTU) + if (!nfp_net_is_data_vnic(nn) && nn->app->ctrl_mtu) { + if (nn->app->ctrl_mtu <= nn->max_mtu) { + nn->dp.mtu = nn->app->ctrl_mtu; + } else { + if (nn->app->ctrl_mtu != NFP_APP_CTRL_MTU_MAX) + nn_warn(nn, "app requested MTU above max supported %u > %u\n", + nn->app->ctrl_mtu, nn->max_mtu); + nn->dp.mtu = nn->max_mtu; + } + } else if (nn->max_mtu < NFP_NET_DEFAULT_MTU) { nn->dp.mtu = nn->max_mtu; - else + } else { nn->dp.mtu = NFP_NET_DEFAULT_MTU; + } nn->dp.fl_bufsz = nfp_net_calc_fl_bufsz(&nn->dp); if (nfp_app_ctrl_uses_data_vnics(nn->app)) |