diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c | 75 |
1 files changed, 14 insertions, 61 deletions
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c index 396371728aa1..9329fcad95ac 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c @@ -1,33 +1,6 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* Copyright 2014-2016 Freescale Semiconductor Inc. * Copyright 2016-2017 NXP - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <linux/init.h> #include <linux/module.h> @@ -55,8 +28,6 @@ MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Freescale Semiconductor, Inc"); MODULE_DESCRIPTION("Freescale DPAA2 Ethernet Driver"); -const char dpaa2_eth_drv_version[] = "0.1"; - static void *dpaa2_iova_to_virt(struct iommu_domain *domain, dma_addr_t iova_addr) { @@ -455,7 +426,7 @@ static int build_sg_fd(struct dpaa2_eth_priv *priv, dpaa2_fd_set_format(fd, dpaa2_fd_sg); dpaa2_fd_set_addr(fd, addr); dpaa2_fd_set_len(fd, skb->len); - dpaa2_fd_set_ctrl(fd, DPAA2_FD_CTRL_PTA | DPAA2_FD_CTRL_PTV1); + dpaa2_fd_set_ctrl(fd, FD_CTRL_PTA | FD_CTRL_PTV1); if (priv->tx_tstamp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) enable_tx_tstamp(fd, sgt_buf); @@ -508,7 +479,7 @@ static int build_single_fd(struct dpaa2_eth_priv *priv, dpaa2_fd_set_offset(fd, (u16)(skb->data - buffer_start)); dpaa2_fd_set_len(fd, skb->len); dpaa2_fd_set_format(fd, dpaa2_fd_single); - dpaa2_fd_set_ctrl(fd, DPAA2_FD_CTRL_PTA | DPAA2_FD_CTRL_PTV1); + dpaa2_fd_set_ctrl(fd, FD_CTRL_PTA | FD_CTRL_PTV1); if (priv->tx_tstamp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) enable_tx_tstamp(fd, buffer_start); @@ -522,8 +493,6 @@ static int build_single_fd(struct dpaa2_eth_priv *priv, * back-pointed to is also freed. * This can be called either from dpaa2_eth_tx_conf() or on the error path of * dpaa2_eth_tx(). - * Optionally, return the frame annotation status word (FAS), which needs - * to be checked if we're on the confirmation path. */ static void free_tx_fd(const struct dpaa2_eth_priv *priv, const struct dpaa2_fd *fd) @@ -767,7 +736,7 @@ static void free_bufs(struct dpaa2_eth_priv *priv, u64 *buf_array, int count) for (i = 0; i < count; i++) { vaddr = dpaa2_iova_to_virt(priv->iommu_domain, buf_array[i]); dma_unmap_single(dev, buf_array[i], DPAA2_ETH_RX_BUF_SIZE, - DMA_BIDIRECTIONAL); + DMA_FROM_DEVICE); skb_free_frag(vaddr); } } @@ -1245,25 +1214,6 @@ static void dpaa2_eth_get_stats(struct net_device *net_dev, } } -static int dpaa2_eth_change_mtu(struct net_device *net_dev, int mtu) -{ - struct dpaa2_eth_priv *priv = netdev_priv(net_dev); - int err; - - /* Set the maximum Rx frame length to match the transmit side; - * account for L2 headers when computing the MFL - */ - err = dpni_set_max_frame_length(priv->mc_io, 0, priv->mc_token, - (u16)DPAA2_ETH_L2_MAX_FRM(mtu)); - if (err) { - netdev_err(net_dev, "dpni_set_max_frame_length() failed\n"); - return err; - } - - net_dev->mtu = mtu; - return 0; -} - /* Copy mac unicast addresses from @net_dev to @priv. * Its sole purpose is to make dpaa2_eth_set_rx_mode() more readable. */ @@ -1471,7 +1421,6 @@ static const struct net_device_ops dpaa2_eth_ops = { .ndo_init = dpaa2_eth_init, .ndo_set_mac_address = dpaa2_eth_set_addr, .ndo_get_stats64 = dpaa2_eth_get_stats, - .ndo_change_mtu = dpaa2_eth_change_mtu, .ndo_set_rx_mode = dpaa2_eth_set_rx_mode, .ndo_set_features = dpaa2_eth_set_features, .ndo_do_ioctl = dpaa2_eth_ioctl, @@ -2217,10 +2166,10 @@ static int bind_dpni(struct dpaa2_eth_priv *priv) return err; } - /* have the interface implicitly distribute traffic based on supported - * header fields + /* have the interface implicitly distribute traffic based on + * the default hash key */ - err = dpaa2_eth_set_hash(net_dev, DPAA2_RXH_SUPPORTED); + err = dpaa2_eth_set_hash(net_dev, DPAA2_RXH_DEFAULT); if (err) dev_err(dev, "Failed to configure hashing\n"); @@ -2385,9 +2334,14 @@ static int netdev_init(struct net_device *net_dev) return err; } - /* Set MTU limits */ - net_dev->min_mtu = 68; + /* Set MTU upper limit; lower limit is 68B (default value) */ net_dev->max_mtu = DPAA2_ETH_MAX_MTU; + err = dpni_set_max_frame_length(priv->mc_io, 0, priv->mc_token, + DPAA2_ETH_MFL); + if (err) { + dev_err(dev, "dpni_set_max_frame_length() failed\n"); + return err; + } /* Set actual number of queues in the net device */ num_queues = dpaa2_eth_queue_count(priv); @@ -2678,7 +2632,6 @@ static int dpaa2_eth_remove(struct fsl_mc_device *ls_dev) fsl_mc_portal_free(priv->mc_io); - dev_set_drvdata(dev, NULL); free_netdev(net_dev); dev_dbg(net_dev->dev.parent, "Removed interface %s\n", net_dev->name); |