From patchwork Tue May 14 07:23:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiawen Wu X-Patchwork-Id: 13663832 X-Patchwork-Delegate: kuba@kernel.org Received: from smtpbg156.qq.com (smtpbg156.qq.com [15.184.82.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 68C9639FE4 for ; Tue, 14 May 2024 07:25:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=15.184.82.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715671546; cv=none; b=ruMqbQW1BL4uAK+SQWUm6ZDAa8DDVhG6FxFisIq7mNJbJSAbNJQieMOi2KGy6Ra1OJ2qwtxoKW2NJsLy0Mb8HVonSCJfJ2AjlHcuJ3E3PbKfHKxA4sZTIFxYP7YkrPxNVl104qN0zvtYaqn3/4fFPHd5ilVHmzstLEhiOM2F00Y= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715671546; c=relaxed/simple; bh=RvIFluOWOpslUUQ73tC3zO9f94/GU+UEEXOwzEwNx+M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=YwoChQfa5alnldgRm9F06coeOdb32lD/pbLVrr72UxiRUhgDkbOOYiJLv8LidJy1Ae19jqKiw+DxX+O2gxqP3qLAoFMKCSks7ZeYDdH7w2mgYM7zv5l4CgI2AifZ/9NAhPnMs2ZYuEuM0e0sjs3dwOQfD1ot+Bf+/NHZG1+Ap4Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=trustnetic.com; spf=pass smtp.mailfrom=trustnetic.com; arc=none smtp.client-ip=15.184.82.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=trustnetic.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=trustnetic.com X-QQ-mid: bizesmtpsz14t1715671429tqq91j X-QQ-Originating-IP: Z1o6SpNAGc9jK3Far5g/wf4/y+1DSotEI0pst0znT/c= Received: from lap-jiawenwu.trustnetic.com ( [125.120.144.133]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 14 May 2024 15:23:48 +0800 (CST) X-QQ-SSF: 01400000000000L0Z000000A0000000 X-QQ-FEAT: KdphKkgTc+R8imp9R5FHPoXD9Tnwx/PWD4Ila7r1b0AkVHmigcZuKjVnW9oSs S0QYYFkXNFLntzrIuj6LR3j/1zlwcp6mSx2+22o30c/Y5DZaSYURLVaq/U1ZbnNkWKhAOpq Eq188mEfVC8/sbSI3GgGme2ySoDyD7cXbAOniHQXAb5u87YIGZBBHXeOEvWzBCeh/hiVbHC VCLkyHA6UMY/9hcKYr4dI2dcr/BPQGEjvUI4d5MmMfqt/IN6H8yhdkILz4XByx+ZEX05p6s be134si+cllPz0+6EO2x/kBtZMY/wsuy+WOBTeH5mSg7OyXMi0nqL3psXNn4kyBWjkekjnc 9huxBO85XH8PZ0TVAzrtXCo60ia6L0UiDSAsaJnHnZTZSIZD4ESkq3XoF0sohCx95VgUPHd Aal2ViZ99F4= X-QQ-GoodBg: 2 X-BIZMAIL-ID: 14303428013247071284 From: Jiawen Wu To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, rmk+kernel@armlinux.org.uk, andrew@lunn.ch, netdev@vger.kernel.org Cc: mengyuanlou@net-swift.com, duanqiangwen@net-swift.com, Jiawen Wu , Simon Horman Subject: [PATCH net v4 3/3] net: txgbe: fix to control VLAN strip Date: Tue, 14 May 2024 15:23:30 +0800 Message-Id: <20240514072330.14340-4-jiawenwu@trustnetic.com> X-Mailer: git-send-email 2.21.0.windows.1 In-Reply-To: <20240514072330.14340-1-jiawenwu@trustnetic.com> References: <20240514072330.14340-1-jiawenwu@trustnetic.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtpsz:trustnetic.com:qybglogicsvrgz:qybglogicsvrgz8a-1 X-Patchwork-Delegate: kuba@kernel.org When VLAN tag strip is changed to enable or disable, the hardware requires the Rx ring to be in a disabled state, otherwise the feature cannot be changed. Fixes: f3b03c655f67 ("net: wangxun: Implement vlan add and kill functions") Signed-off-by: Jiawen Wu Reviewed-by: Simon Horman --- drivers/net/ethernet/wangxun/libwx/wx_hw.c | 2 ++ drivers/net/ethernet/wangxun/libwx/wx_lib.c | 6 ++-- drivers/net/ethernet/wangxun/libwx/wx_type.h | 22 ++++++++++++++ .../net/ethernet/wangxun/ngbe/ngbe_ethtool.c | 18 +++++++---- .../ethernet/wangxun/txgbe/txgbe_ethtool.c | 18 +++++++---- .../net/ethernet/wangxun/txgbe/txgbe_main.c | 30 +++++++++++++++++++ .../net/ethernet/wangxun/txgbe/txgbe_type.h | 1 + 7 files changed, 84 insertions(+), 13 deletions(-) diff --git a/drivers/net/ethernet/wangxun/libwx/wx_hw.c b/drivers/net/ethernet/wangxun/libwx/wx_hw.c index 945c13d1a982..c09a6f744575 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_hw.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_hw.c @@ -1958,6 +1958,8 @@ int wx_sw_init(struct wx *wx) return -ENOMEM; } + bitmap_zero(wx->state, WX_STATE_NBITS); + return 0; } EXPORT_SYMBOL(wx_sw_init); diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c index 28599e03cf4e..0d913ee7bcd7 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c @@ -2692,9 +2692,9 @@ int wx_set_features(struct net_device *netdev, netdev_features_t features) netdev->features = features; - if (changed & - (NETIF_F_HW_VLAN_CTAG_RX | - NETIF_F_HW_VLAN_STAG_RX)) + if (wx->mac.type == wx_mac_sp && changed & NETIF_F_HW_VLAN_CTAG_RX) + wx->do_reset(netdev); + else if (changed & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER)) wx_set_rx_mode(netdev); return 0; diff --git a/drivers/net/ethernet/wangxun/libwx/wx_type.h b/drivers/net/ethernet/wangxun/libwx/wx_type.h index 1fdeb464d5f4..5aaf7b1fa2db 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_type.h +++ b/drivers/net/ethernet/wangxun/libwx/wx_type.h @@ -982,8 +982,13 @@ struct wx_hw_stats { u64 qmprc; }; +enum wx_state { + WX_STATE_RESETTING, + WX_STATE_NBITS, /* must be last */ +}; struct wx { unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; + DECLARE_BITMAP(state, WX_STATE_NBITS); void *priv; u8 __iomem *hw_addr; @@ -1071,6 +1076,8 @@ struct wx { u64 hw_csum_rx_good; u64 hw_csum_rx_error; u64 alloc_rx_buff_failed; + + void (*do_reset)(struct net_device *netdev); }; #define WX_INTR_ALL (~0ULL) @@ -1131,4 +1138,19 @@ static inline struct wx *phylink_to_wx(struct phylink_config *config) return container_of(config, struct wx, phylink_config); } +static inline int wx_set_state_reset(struct wx *wx) +{ + u8 timeout = 50; + + while (test_and_set_bit(WX_STATE_RESETTING, wx->state)) { + timeout--; + if (!timeout) + return -EBUSY; + + usleep_range(1000, 2000); + } + + return 0; +} + #endif /* _WX_TYPE_H_ */ diff --git a/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c b/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c index 786a652ae64f..46a5a3e95202 100644 --- a/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c +++ b/drivers/net/ethernet/wangxun/ngbe/ngbe_ethtool.c @@ -52,7 +52,7 @@ static int ngbe_set_ringparam(struct net_device *netdev, struct wx *wx = netdev_priv(netdev); u32 new_rx_count, new_tx_count; struct wx_ring *temp_ring; - int i; + int i, err = 0; new_tx_count = clamp_t(u32, ring->tx_pending, WX_MIN_TXD, WX_MAX_TXD); new_tx_count = ALIGN(new_tx_count, WX_REQ_TX_DESCRIPTOR_MULTIPLE); @@ -64,6 +64,10 @@ static int ngbe_set_ringparam(struct net_device *netdev, new_rx_count == wx->rx_ring_count) return 0; + err = wx_set_state_reset(wx); + if (err) + return err; + if (!netif_running(wx->netdev)) { for (i = 0; i < wx->num_tx_queues; i++) wx->tx_ring[i]->count = new_tx_count; @@ -72,14 +76,16 @@ static int ngbe_set_ringparam(struct net_device *netdev, wx->tx_ring_count = new_tx_count; wx->rx_ring_count = new_rx_count; - return 0; + goto clear_reset; } /* allocate temporary buffer to store rings in */ i = max_t(int, wx->num_tx_queues, wx->num_rx_queues); temp_ring = kvmalloc_array(i, sizeof(struct wx_ring), GFP_KERNEL); - if (!temp_ring) - return -ENOMEM; + if (!temp_ring) { + err = -ENOMEM; + goto clear_reset; + } ngbe_down(wx); @@ -89,7 +95,9 @@ static int ngbe_set_ringparam(struct net_device *netdev, wx_configure(wx); ngbe_up(wx); - return 0; +clear_reset: + clear_bit(WX_STATE_RESETTING, wx->state); + return err; } static int ngbe_set_channels(struct net_device *dev, diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c index db675512ce4d..31fde3fa7c6b 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c @@ -19,7 +19,7 @@ static int txgbe_set_ringparam(struct net_device *netdev, struct wx *wx = netdev_priv(netdev); u32 new_rx_count, new_tx_count; struct wx_ring *temp_ring; - int i; + int i, err = 0; new_tx_count = clamp_t(u32, ring->tx_pending, WX_MIN_TXD, WX_MAX_TXD); new_tx_count = ALIGN(new_tx_count, WX_REQ_TX_DESCRIPTOR_MULTIPLE); @@ -31,6 +31,10 @@ static int txgbe_set_ringparam(struct net_device *netdev, new_rx_count == wx->rx_ring_count) return 0; + err = wx_set_state_reset(wx); + if (err) + return err; + if (!netif_running(wx->netdev)) { for (i = 0; i < wx->num_tx_queues; i++) wx->tx_ring[i]->count = new_tx_count; @@ -39,14 +43,16 @@ static int txgbe_set_ringparam(struct net_device *netdev, wx->tx_ring_count = new_tx_count; wx->rx_ring_count = new_rx_count; - return 0; + goto clear_reset; } /* allocate temporary buffer to store rings in */ i = max_t(int, wx->num_tx_queues, wx->num_rx_queues); temp_ring = kvmalloc_array(i, sizeof(struct wx_ring), GFP_KERNEL); - if (!temp_ring) - return -ENOMEM; + if (!temp_ring) { + err = -ENOMEM; + goto clear_reset; + } txgbe_down(wx); @@ -55,7 +61,9 @@ static int txgbe_set_ringparam(struct net_device *netdev, txgbe_up(wx); - return 0; +clear_reset: + clear_bit(WX_STATE_RESETTING, wx->state); + return err; } static int txgbe_set_channels(struct net_device *dev, diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c index b3c0058b045d..8c7a74981b90 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c @@ -269,6 +269,8 @@ static int txgbe_sw_init(struct wx *wx) wx->tx_work_limit = TXGBE_DEFAULT_TX_WORK; wx->rx_work_limit = TXGBE_DEFAULT_RX_WORK; + wx->do_reset = txgbe_do_reset; + return 0; } @@ -421,6 +423,34 @@ int txgbe_setup_tc(struct net_device *dev, u8 tc) return 0; } +static void txgbe_reinit_locked(struct wx *wx) +{ + int err = 0; + + netif_trans_update(wx->netdev); + + err = wx_set_state_reset(wx); + if (err) { + wx_err(wx, "wait device reset timeout\n"); + return; + } + + txgbe_down(wx); + txgbe_up(wx); + + clear_bit(WX_STATE_RESETTING, wx->state); +} + +void txgbe_do_reset(struct net_device *netdev) +{ + struct wx *wx = netdev_priv(netdev); + + if (netif_running(netdev)) + txgbe_reinit_locked(wx); + else + txgbe_reset(wx); +} + static const struct net_device_ops txgbe_netdev_ops = { .ndo_open = txgbe_open, .ndo_stop = txgbe_close, diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h index 1b4ff50d5857..f434a7865cb7 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h @@ -134,6 +134,7 @@ extern char txgbe_driver_name[]; void txgbe_down(struct wx *wx); void txgbe_up(struct wx *wx); int txgbe_setup_tc(struct net_device *dev, u8 tc); +void txgbe_do_reset(struct net_device *netdev); #define NODE_PROP(_NAME, _PROP) \ (const struct software_node) { \