Return-path: Received: from mail-pf0-f193.google.com ([209.85.192.193]:36497 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751284AbdHDI2K (ORCPT ); Fri, 4 Aug 2017 04:28:10 -0400 Received: by mail-pf0-f193.google.com with SMTP id t83so1212986pfj.3 for ; Fri, 04 Aug 2017 01:28:10 -0700 (PDT) From: Xinming Hu To: Linux Wireless Cc: Kalle Valo , Brian Norris , Dmitry Torokhov , rajatja@google.com, Zhiyuan Yang , Tim Song , Cathy Luo , Ganapathi Bhat , Xinming Hu Subject: [PATCH] mwifiex: p2p: use separate device address Date: Fri, 4 Aug 2017 08:28:04 +0000 Message-Id: <1501835284-25731-1-git-send-email-huxinming820@gmail.com> (sfid-20170804_102816_806769_80D5E2C3) Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Xinming Hu Per below statement about p2p device address in WFA P2P spec $2.4.3: The P2P Device Address of a P2P Device shall be its globally administered MAC address, or its globally administered MAC address with the locally administered bit set. This patch follow above statement, using a separate device address for p2p interface Signed-off-by: Xinming Hu Signed-off-by: Cathy Luo Signed-off-by: Ganapathi Bhat --- drivers/net/wireless/marvell/mwifiex/cfg80211.c | 5 +++- drivers/net/wireless/marvell/mwifiex/main.c | 40 ++++++++++++++++--------- drivers/net/wireless/marvell/mwifiex/main.h | 4 +++ 3 files changed, 34 insertions(+), 15 deletions(-) diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index d8ff823..c4382d0 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -927,6 +927,8 @@ static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) adapter->rx_locked = false; spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); + mwifiex_set_mac_address(priv, dev); + return 0; } @@ -2967,6 +2969,8 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, } mwifiex_init_priv_params(priv, dev); + mwifiex_set_mac_address(priv, dev); + priv->netdev = dev; ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, @@ -2994,7 +2998,6 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, dev_net_set(dev, wiphy_net(wiphy)); dev->ieee80211_ptr = &priv->wdev; dev->ieee80211_ptr->iftype = priv->bss_mode; - memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); dev->flags |= IFF_BROADCAST | IFF_MULTICAST; diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c index f2600b8..c6cc068 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.c +++ b/drivers/net/wireless/marvell/mwifiex/main.c @@ -935,31 +935,44 @@ struct sk_buff * return 0; } -/* - * CFG802.11 network device handler for setting MAC address. - */ -static int -mwifiex_set_mac_address(struct net_device *dev, void *addr) +int mwifiex_set_mac_address(struct mwifiex_private *priv, + struct net_device *dev) { - struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); - struct sockaddr *hw_addr = addr; int ret; + u64 mac_addr; - memcpy(priv->curr_addr, hw_addr->sa_data, ETH_ALEN); + if (priv->bss_type != MWIFIEX_BSS_TYPE_P2P) + goto done; + + mac_addr = ether_addr_to_u64(priv->curr_addr); + mac_addr |= BIT(MWIFIEX_MAC_LOCAL_ADMIN_BIT); + u64_to_ether_addr(mac_addr, priv->curr_addr); /* Send request to firmware */ ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_MAC_ADDRESS, HostCmd_ACT_GEN_SET, 0, NULL, true); - if (!ret) - memcpy(priv->netdev->dev_addr, priv->curr_addr, ETH_ALEN); - else + if (ret) { mwifiex_dbg(priv->adapter, ERROR, "set mac address failed: ret=%d\n", ret); + return ret; + } +done: memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN); + return 0; +} - return ret; +/* CFG802.11 network device handler for setting MAC address. + */ +static int +mwifiex_ndo_set_mac_address(struct net_device *dev, void *addr) +{ + struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); + struct sockaddr *hw_addr = addr; + + memcpy(priv->curr_addr, hw_addr->sa_data, ETH_ALEN); + return mwifiex_set_mac_address(priv, dev); } /* @@ -1252,7 +1265,7 @@ static struct net_device_stats *mwifiex_get_stats(struct net_device *dev) .ndo_open = mwifiex_open, .ndo_stop = mwifiex_close, .ndo_start_xmit = mwifiex_hard_start_xmit, - .ndo_set_mac_address = mwifiex_set_mac_address, + .ndo_set_mac_address = mwifiex_ndo_set_mac_address, .ndo_validate_addr = eth_validate_addr, .ndo_tx_timeout = mwifiex_tx_timeout, .ndo_get_stats = mwifiex_get_stats, @@ -1296,7 +1309,6 @@ void mwifiex_init_priv_params(struct mwifiex_private *priv, priv->gen_idx = MWIFIEX_AUTO_IDX_MASK; priv->num_tx_timeout = 0; ether_addr_copy(priv->curr_addr, priv->adapter->perm_addr); - memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN); if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h index f8cf307..84be38e 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.h +++ b/drivers/net/wireless/marvell/mwifiex/main.h @@ -165,6 +165,8 @@ enum { /* Address alignment */ #define MWIFIEX_ALIGN_ADDR(p, a) (((long)(p) + (a) - 1) & ~((a) - 1)) +#define MWIFIEX_MAC_LOCAL_ADMIN_BIT 41 + /** *enum mwifiex_debug_level - marvell wifi debug level */ @@ -1672,6 +1674,8 @@ void mwifiex_process_tx_pause_event(struct mwifiex_private *priv, void mwifiex_process_multi_chan_event(struct mwifiex_private *priv, struct sk_buff *event_skb); void mwifiex_multi_chan_resync(struct mwifiex_adapter *adapter); +int mwifiex_set_mac_address(struct mwifiex_private *priv, + struct net_device *dev); #ifdef CONFIG_DEBUG_FS void mwifiex_debugfs_init(void); -- 1.9.1