From ee7e9a9d73d9e3cfe4304d53c3bff704ae4890ed Mon Sep 17 00:00:00 2001 From: Yufeng Mo Date: Wed, 24 Nov 2021 09:06:52 +0800 Subject: net: hns3: format the output of the MAC address [ Upstream commit 4f331fda35f1695af8ddd8180edc948880def74b ] Printing the whole MAC addresse may bring security risks. Therefore, the MAC address is partially encrypted to improve security. Signed-off-by: Yufeng Mo Signed-off-by: Guangbin Huang Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 29 +++++++++++++++++-------- 1 file changed, 20 insertions(+), 9 deletions(-) (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c') diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 4b886a13e079..e4f6b5a8537c 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -2255,6 +2255,8 @@ out_err_tx_ok: static int hns3_nic_net_set_mac_address(struct net_device *netdev, void *p) { + char format_mac_addr_perm[HNAE3_FORMAT_MAC_ADDR_LEN]; + char format_mac_addr_sa[HNAE3_FORMAT_MAC_ADDR_LEN]; struct hnae3_handle *h = hns3_get_handle(netdev); struct sockaddr *mac_addr = p; int ret; @@ -2263,8 +2265,9 @@ static int hns3_nic_net_set_mac_address(struct net_device *netdev, void *p) return -EADDRNOTAVAIL; if (ether_addr_equal(netdev->dev_addr, mac_addr->sa_data)) { - netdev_info(netdev, "already using mac address %pM\n", - mac_addr->sa_data); + hnae3_format_mac_addr(format_mac_addr_sa, mac_addr->sa_data); + netdev_info(netdev, "already using mac address %s\n", + format_mac_addr_sa); return 0; } @@ -2273,8 +2276,10 @@ static int hns3_nic_net_set_mac_address(struct net_device *netdev, void *p) */ if (!hns3_is_phys_func(h->pdev) && !is_zero_ether_addr(netdev->perm_addr)) { - netdev_err(netdev, "has permanent MAC %pM, user MAC %pM not allow\n", - netdev->perm_addr, mac_addr->sa_data); + hnae3_format_mac_addr(format_mac_addr_perm, netdev->perm_addr); + hnae3_format_mac_addr(format_mac_addr_sa, mac_addr->sa_data); + netdev_err(netdev, "has permanent MAC %s, user MAC %s not allow\n", + format_mac_addr_perm, format_mac_addr_sa); return -EPERM; } @@ -2836,14 +2841,16 @@ static int hns3_nic_set_vf_rate(struct net_device *ndev, int vf, static int hns3_nic_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) { struct hnae3_handle *h = hns3_get_handle(netdev); + char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN]; if (!h->ae_algo->ops->set_vf_mac) return -EOPNOTSUPP; if (is_multicast_ether_addr(mac)) { + hnae3_format_mac_addr(format_mac_addr, mac); netdev_err(netdev, - "Invalid MAC:%pM specified. Could not set MAC\n", - mac); + "Invalid MAC:%s specified. Could not set MAC\n", + format_mac_addr); return -EINVAL; } @@ -4927,6 +4934,7 @@ static void hns3_uninit_all_ring(struct hns3_nic_priv *priv) static int hns3_init_mac_addr(struct net_device *netdev) { struct hns3_nic_priv *priv = netdev_priv(netdev); + char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN]; struct hnae3_handle *h = priv->ae_handle; u8 mac_addr_temp[ETH_ALEN]; int ret = 0; @@ -4937,8 +4945,9 @@ static int hns3_init_mac_addr(struct net_device *netdev) /* Check if the MAC address is valid, if not get a random one */ if (!is_valid_ether_addr(mac_addr_temp)) { eth_hw_addr_random(netdev); - dev_warn(priv->dev, "using random MAC address %pM\n", - netdev->dev_addr); + hnae3_format_mac_addr(format_mac_addr, netdev->dev_addr); + dev_warn(priv->dev, "using random MAC address %s\n", + format_mac_addr); } else if (!ether_addr_equal(netdev->dev_addr, mac_addr_temp)) { ether_addr_copy(netdev->dev_addr, mac_addr_temp); ether_addr_copy(netdev->perm_addr, mac_addr_temp); @@ -4990,8 +4999,10 @@ static void hns3_client_stop(struct hnae3_handle *handle) static void hns3_info_show(struct hns3_nic_priv *priv) { struct hnae3_knic_private_info *kinfo = &priv->ae_handle->kinfo; + char format_mac_addr[HNAE3_FORMAT_MAC_ADDR_LEN]; - dev_info(priv->dev, "MAC address: %pM\n", priv->netdev->dev_addr); + hnae3_format_mac_addr(format_mac_addr, priv->netdev->dev_addr); + dev_info(priv->dev, "MAC address: %s\n", format_mac_addr); dev_info(priv->dev, "Task queue pairs numbers: %u\n", kinfo->num_tqps); dev_info(priv->dev, "RSS size: %u\n", kinfo->rss_size); dev_info(priv->dev, "Allocated RSS size: %u\n", kinfo->req_rss_size); -- cgit v1.2.3 From 34a5c64951c38ef227f41660a00ff4b92778fd79 Mon Sep 17 00:00:00 2001 From: Peng Li Date: Sat, 26 Mar 2022 17:51:02 +0800 Subject: net: hns3: clean residual vf config after disable sriov [ Upstream commit 671cb8cbb9c9e24b681d21b1bfae991e2386ac73 ] After disable sriov, VF still has some config and info need to be cleaned, which configured by PF. This patch clean the HW config and SW struct vport->vf_info. Fixes: fa8d82e853e8 ("net: hns3: Add support of .sriov_configure in HNS3 driver") Signed-off-by: Peng Li Signed-off-by: Guangbin Huang Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c') diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index e4f6b5a8537c..16cbd146ad06 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -2954,6 +2954,21 @@ static int hns3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return ret; } +/** + * hns3_clean_vf_config + * @pdev: pointer to a pci_dev structure + * @num_vfs: number of VFs allocated + * + * Clean residual vf config after disable sriov + **/ +static void hns3_clean_vf_config(struct pci_dev *pdev, int num_vfs) +{ + struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev); + + if (ae_dev->ops->clean_vf_config) + ae_dev->ops->clean_vf_config(ae_dev, num_vfs); +} + /* hns3_remove - Device removal routine * @pdev: PCI device information struct */ @@ -2992,7 +3007,10 @@ static int hns3_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) else return num_vfs; } else if (!pci_vfs_assigned(pdev)) { + int num_vfs_pre = pci_num_vf(pdev); + pci_disable_sriov(pdev); + hns3_clean_vf_config(pdev, num_vfs_pre); } else { dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n"); -- cgit v1.2.3