diff options
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_tx.c')
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_tx.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_tx.c b/drivers/net/ethernet/huawei/hinic/hinic_tx.c index 0fbe8046824b..9c78251f9c39 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_tx.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_tx.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Huawei HiNIC PCI Express Linux driver * Copyright(c) 2017 Huawei Technologies Co., Ltd - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * */ #include <linux/kernel.h> @@ -92,6 +83,7 @@ void hinic_txq_clean_stats(struct hinic_txq *txq) txq_stats->tx_busy = 0; txq_stats->tx_wake = 0; txq_stats->tx_dropped = 0; + txq_stats->big_frags_pkts = 0; u64_stats_update_end(&txq_stats->syncp); } @@ -113,6 +105,7 @@ void hinic_txq_get_stats(struct hinic_txq *txq, struct hinic_txq_stats *stats) stats->tx_busy = txq_stats->tx_busy; stats->tx_wake = txq_stats->tx_wake; stats->tx_dropped = txq_stats->tx_dropped; + stats->big_frags_pkts = txq_stats->big_frags_pkts; } while (u64_stats_fetch_retry(&txq_stats->syncp, start)); u64_stats_update_end(&stats->syncp); } @@ -414,10 +407,20 @@ static int offload_csum(struct hinic_sq_task *task, u32 *queue_info, return 1; } +static void offload_vlan(struct hinic_sq_task *task, u32 *queue_info, + u16 vlan_tag, u16 vlan_pri) +{ + task->pkt_info0 |= HINIC_SQ_TASK_INFO0_SET(vlan_tag, VLAN_TAG) | + HINIC_SQ_TASK_INFO0_SET(1U, VLAN_OFFLOAD); + + *queue_info |= HINIC_SQ_CTRL_SET(vlan_pri, QUEUE_INFO_PRI); +} + static int hinic_tx_offload(struct sk_buff *skb, struct hinic_sq_task *task, u32 *queue_info) { enum hinic_offload_type offload = 0; + u16 vlan_tag; int enabled; enabled = offload_tso(task, queue_info, skb); @@ -431,6 +434,13 @@ static int hinic_tx_offload(struct sk_buff *skb, struct hinic_sq_task *task, return -EPROTONOSUPPORT; } + if (unlikely(skb_vlan_tag_present(skb))) { + vlan_tag = skb_vlan_tag_get(skb); + offload_vlan(task, queue_info, vlan_tag, + vlan_tag >> VLAN_PRIO_SHIFT); + offload |= TX_OFFLOAD_VLAN; + } + if (offload) hinic_task_set_l2hdr(task, skb_network_offset(skb)); @@ -473,6 +483,12 @@ netdev_tx_t hinic_xmit_frame(struct sk_buff *skb, struct net_device *netdev) } nr_sges = skb_shinfo(skb)->nr_frags + 1; + if (nr_sges > 17) { + u64_stats_update_begin(&txq->txq_stats.syncp); + txq->txq_stats.big_frags_pkts++; + u64_stats_update_end(&txq->txq_stats.syncp); + } + if (nr_sges > txq->max_sges) { netdev_err(netdev, "Too many Tx sges\n"); goto skb_error; |