From: Ryno Swart Date: Wed, 6 Dec 2023 15:12:08 +0000 (+0200) Subject: nfp: ethtool: add extended ack report messages X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b0318e28549373f50d35c099864899a235076ad6;p=linux.git nfp: ethtool: add extended ack report messages Add descriptive error messages to common ethtool failures to be more user friendly. Update `nfp_net_coalesce_para_check` to only check one argument, which facilitates unique error messages. Additionally, three error codes are updated to `EOPNOTSUPP` to reflect that these operations are not supported. Signed-off-by: Ryno Swart Signed-off-by: Louis Peens Link: https://lore.kernel.org/r/20231206151209.20296-2-louis.peens@corigine.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h index bd0e26524417b..46764aeccb37d 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h @@ -966,9 +966,9 @@ static inline bool nfp_netdev_is_nfp_net(struct net_device *netdev) netdev->netdev_ops == &nfp_nfdk_netdev_ops; } -static inline int nfp_net_coalesce_para_check(u32 usecs, u32 pkts) +static inline int nfp_net_coalesce_para_check(u32 param) { - if ((usecs >= ((1 << 16) - 1)) || (pkts >= ((1 << 16) - 1))) + if (param >= ((1 << 16) - 1)) return -EINVAL; return 0; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index ac1f4514b1d06..dcd27ba2a74c8 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -1176,7 +1176,8 @@ static void nfp_net_rx_dim_work(struct work_struct *work) * count. */ factor = nn->tlv_caps.me_freq_mhz / 16; - if (nfp_net_coalesce_para_check(factor * moder.usec, moder.pkts)) + if (nfp_net_coalesce_para_check(factor * moder.usec) || + nfp_net_coalesce_para_check(moder.pkts)) return; /* copy RX interrupt coalesce parameters */ @@ -1205,7 +1206,8 @@ static void nfp_net_tx_dim_work(struct work_struct *work) * count. */ factor = nn->tlv_caps.me_freq_mhz / 16; - if (nfp_net_coalesce_para_check(factor * moder.usec, moder.pkts)) + if (nfp_net_coalesce_para_check(factor * moder.usec) || + nfp_net_coalesce_para_check(moder.pkts)) return; /* copy TX interrupt coalesce parameters */ diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index 200b3588363ce..f4f6153cae0f1 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -633,7 +633,8 @@ static void nfp_net_get_ringparam(struct net_device *netdev, ring->tx_pending = nn->dp.txd_cnt; } -static int nfp_net_set_ring_size(struct nfp_net *nn, u32 rxd_cnt, u32 txd_cnt) +static int nfp_net_set_ring_size(struct nfp_net *nn, u32 rxd_cnt, u32 txd_cnt, + struct netlink_ext_ack *extack) { struct nfp_net_dp *dp; @@ -644,7 +645,7 @@ static int nfp_net_set_ring_size(struct nfp_net *nn, u32 rxd_cnt, u32 txd_cnt) dp->rxd_cnt = rxd_cnt; dp->txd_cnt = txd_cnt; - return nfp_net_ring_reconfig(nn, dp, NULL); + return nfp_net_ring_reconfig(nn, dp, extack); } static int nfp_net_set_ringparam(struct net_device *netdev, @@ -657,7 +658,7 @@ static int nfp_net_set_ringparam(struct net_device *netdev, /* We don't have separate queues/rings for small/large frames. */ if (ring->rx_mini_pending || ring->rx_jumbo_pending) - return -EINVAL; + return -EOPNOTSUPP; qc_min = nn->dev_info->min_qc_size; qc_max = nn->dev_info->max_qc_size; @@ -666,9 +667,15 @@ static int nfp_net_set_ringparam(struct net_device *netdev, rxd_cnt = roundup_pow_of_two(ring->rx_pending); txd_cnt = roundup_pow_of_two(ring->tx_pending); - if (rxd_cnt < qc_min || rxd_cnt > qc_max || - txd_cnt < qc_min / tx_dpp || txd_cnt > qc_max / tx_dpp) + if (rxd_cnt < qc_min || rxd_cnt > qc_max) { + NL_SET_ERR_MSG_MOD(extack, "rx parameter out of bounds"); return -EINVAL; + } + + if (txd_cnt < qc_min / tx_dpp || txd_cnt > qc_max / tx_dpp) { + NL_SET_ERR_MSG_MOD(extack, "tx parameter out of bounds"); + return -EINVAL; + } if (nn->dp.rxd_cnt == rxd_cnt && nn->dp.txd_cnt == txd_cnt) return 0; @@ -676,7 +683,7 @@ static int nfp_net_set_ringparam(struct net_device *netdev, nn_dbg(nn, "Change ring size: RxQ %u->%u, TxQ %u->%u\n", nn->dp.rxd_cnt, rxd_cnt, nn->dp.txd_cnt, txd_cnt); - return nfp_net_set_ring_size(nn, rxd_cnt, txd_cnt); + return nfp_net_set_ring_size(nn, rxd_cnt, txd_cnt, extack); } static int nfp_test_link(struct net_device *netdev) @@ -1866,7 +1873,7 @@ static int nfp_net_get_coalesce(struct net_device *netdev, struct nfp_net *nn = netdev_priv(netdev); if (!(nn->cap & NFP_NET_CFG_CTRL_IRQMOD)) - return -EINVAL; + return -EOPNOTSUPP; ec->use_adaptive_rx_coalesce = nn->rx_coalesce_adapt_on; ec->use_adaptive_tx_coalesce = nn->tx_coalesce_adapt_on; @@ -2145,22 +2152,40 @@ static int nfp_net_set_coalesce(struct net_device *netdev, */ if (!(nn->cap & NFP_NET_CFG_CTRL_IRQMOD)) - return -EINVAL; + return -EOPNOTSUPP; /* ensure valid configuration */ - if (!ec->rx_coalesce_usecs && !ec->rx_max_coalesced_frames) + if (!ec->rx_coalesce_usecs && !ec->rx_max_coalesced_frames) { + NL_SET_ERR_MSG_MOD(extack, + "rx-usecs and rx-frames cannot both be zero"); return -EINVAL; + } - if (!ec->tx_coalesce_usecs && !ec->tx_max_coalesced_frames) + if (!ec->tx_coalesce_usecs && !ec->tx_max_coalesced_frames) { + NL_SET_ERR_MSG_MOD(extack, + "tx-usecs and tx-frames cannot both be zero"); return -EINVAL; + } - if (nfp_net_coalesce_para_check(ec->rx_coalesce_usecs * factor, - ec->rx_max_coalesced_frames)) + if (nfp_net_coalesce_para_check(ec->rx_coalesce_usecs * factor)) { + NL_SET_ERR_MSG_MOD(extack, "rx-usecs too large"); return -EINVAL; + } - if (nfp_net_coalesce_para_check(ec->tx_coalesce_usecs * factor, - ec->tx_max_coalesced_frames)) + if (nfp_net_coalesce_para_check(ec->rx_max_coalesced_frames)) { + NL_SET_ERR_MSG_MOD(extack, "rx-frames too large"); return -EINVAL; + } + + if (nfp_net_coalesce_para_check(ec->tx_coalesce_usecs * factor)) { + NL_SET_ERR_MSG_MOD(extack, "tx-usecs too large"); + return -EINVAL; + } + + if (nfp_net_coalesce_para_check(ec->tx_max_coalesced_frames)) { + NL_SET_ERR_MSG_MOD(extack, "tx-frames too large"); + return -EINVAL; + } /* configuration is valid */ nn->rx_coalesce_adapt_on = !!ec->use_adaptive_rx_coalesce;