3.9.8-stable review

@@ -1336,6 +1336,7 @@ void perf_callchain_user(struct perf_cal
 		return;
 	}
 
+	perf_callchain_store(entry, regs->pc);
 	tail = (struct frame_tail __user *)regs->regs[29];
 
 	while (entry->nr < PERF_MAX_STACK_DEPTH &&

@@ -885,6 +885,7 @@ static void volume_control_quirks(struct
 
 	case USB_ID(0x046d, 0x0808):
 	case USB_ID(0x046d, 0x0809):
+	case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */
 	case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
 	case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */
 	case USB_ID(0x046d, 0x0991):

@@ -58,6 +58,7 @@ enum {
 	CS420X_GPIO_23,
 	CS420X_MBP101,
 	CS420X_MBP81,
+	CS420X_MBA42,
 	CS420X_AUTO,
 	/* aliases */
 	CS420X_IMAC27_122 = CS420X_GPIO_23,

@@ -345,6 +346,7 @@ static const struct hda_model_fixup cs42
 	{ .id = CS420X_APPLE, .name = "apple" },
 	{ .id = CS420X_MBP101, .name = "mbp101" },
 	{ .id = CS420X_MBP81, .name = "mbp81" },
+	{ .id = CS420X_MBA42, .name = "mba42" },
 	{}
 };
 

@@ -360,6 +362,7 @@ static const struct snd_pci_quirk cs420x
 	SND_PCI_QUIRK(0x106b, 0x1c00, "MacBookPro 8,1", CS420X_MBP81),
 	SND_PCI_QUIRK(0x106b, 0x2000, "iMac 12,2", CS420X_IMAC27_122),
 	SND_PCI_QUIRK(0x106b, 0x2800, "MacBookPro 10,1", CS420X_MBP101),
+	SND_PCI_QUIRK(0x106b, 0x5b00, "MacBookAir 4,2", CS420X_MBA42),
 	SND_PCI_QUIRK_VENDOR(0x106b, "Apple", CS420X_APPLE),
 	{} /* terminator */
 };

@@ -413,6 +416,20 @@ static const struct hda_pintbl mbp101_pi
 	{} /* terminator */
 };
 
+static const struct hda_pintbl mba42_pincfgs[] = {
+	{ 0x09, 0x012b4030 }, /* HP */
+	{ 0x0a, 0x400000f0 },
+	{ 0x0b, 0x90100120 }, /* speaker */
+	{ 0x0c, 0x400000f0 },
+	{ 0x0d, 0x90a00110 }, /* mic */
+	{ 0x0e, 0x400000f0 },
+	{ 0x0f, 0x400000f0 },
+	{ 0x10, 0x400000f0 },
+	{ 0x12, 0x400000f0 },
+	{ 0x15, 0x400000f0 },
+	{} /* terminator */
+};
+
 static void cs420x_fixup_gpio_13(struct hda_codec *codec,
 				 const struct hda_fixup *fix, int action)
 {

@@ -481,6 +498,12 @@ static const struct hda_fixup cs420x_fix
 		.chained = true,
 		.chain_id = CS420X_GPIO_13,
 	},
+	[CS420X_MBA42] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = mba42_pincfgs,
+		.chained = true,
+		.chain_id = CS420X_GPIO_13,
+	},
 };
 
 static struct cs_spec *cs_alloc_spec(struct hda_codec *codec, int vendor_nid)

@@ -144,14 +144,32 @@ static int snd_usb_create_stream(struct
 		return -EINVAL;
 	}
 
+	alts = &iface->altsetting[0];
+	altsd = get_iface_desc(alts);
+
+	/*
+	 * Android with both accessory and audio interfaces enabled gets the
+	 * interface numbers wrong.
+	 */
+	if ((chip->usb_id == USB_ID(0x18d1, 0x2d04) ||
+	     chip->usb_id == USB_ID(0x18d1, 0x2d05)) &&
+	    interface == 0 &&
+	    altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC &&
+	    altsd->bInterfaceSubClass == USB_SUBCLASS_VENDOR_SPEC) {
+		interface = 2;
+		iface = usb_ifnum_to_if(dev, interface);
+		if (!iface)
+			return -EINVAL;
+		alts = &iface->altsetting[0];
+		altsd = get_iface_desc(alts);
+	}
+
 	if (usb_interface_claimed(iface)) {
 		snd_printdd(KERN_INFO "%d:%d:%d: skipping, already claimed\n",
 						dev->devnum, ctrlif, interface);
 		return -EINVAL;
 	}
 
-	alts = &iface->altsetting[0];
-	altsd = get_iface_desc(alts);
 	if ((altsd->bInterfaceClass == USB_CLASS_AUDIO ||
 	     altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC) &&
 	    altsd->bInterfaceSubClass == USB_SUBCLASS_MIDISTREAMING) {

@@ -1759,6 +1759,7 @@ int clk_notifier_unregister(struct clk *
 		/* XXX the notifier code should handle this better */
 		if (!cn->notifier_head.head) {
 			srcu_cleanup_notifier_head(&cn->notifier_head);
+			list_del(&cn->node);
 			kfree(cn);
 		}
 

@@ -84,4 +84,6 @@ uint64_t __ashrdi3(uint64_t, unsigned in
 EXPORT_SYMBOL(__ashrdi3);
 uint64_t __ashldi3(uint64_t, unsigned int);
 EXPORT_SYMBOL(__ashldi3);
+int __ffsdi2(uint64_t);
+EXPORT_SYMBOL(__ffsdi2);
 #endif

@@ -1973,26 +1973,35 @@ void rtl92cu_set_hw_reg(struct ieee80211
 	}
 }
 
-void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,
-				   struct ieee80211_sta *sta,
-				   u8 rssi_level)
+static void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,
+					  struct ieee80211_sta *sta)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
-	u32 ratr_value = (u32) mac->basic_rates;
-	u8 *mcsrate = mac->mcs;
+	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+	u32 ratr_value;
 	u8 ratr_index = 0;
 	u8 nmode = mac->ht_enable;
-	u8 mimo_ps = 1;
-	u16 shortgi_rate = 0;
-	u32 tmp_ratr_value = 0;
+	u8 mimo_ps = IEEE80211_SMPS_OFF;
+	u16 shortgi_rate;
+	u32 tmp_ratr_value;
 	u8 curtxbw_40mhz = mac->bw_40;
-	u8 curshortgi_40mhz = mac->sgi_40;
-	u8 curshortgi_20mhz = mac->sgi_20;
+	u8 curshortgi_40mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ?
+			       1 : 0;
+	u8 curshortgi_20mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ?
+			       1 : 0;
 	enum wireless_mode wirelessmode = mac->mode;
 
-	ratr_value |= ((*(u16 *) (mcsrate))) << 12;
+	if (rtlhal->current_bandtype == BAND_ON_5G)
+		ratr_value = sta->supp_rates[1] << 4;
+	else
+		ratr_value = sta->supp_rates[0];
+	if (mac->opmode == NL80211_IFTYPE_ADHOC)
+		ratr_value = 0xfff;
+
+	ratr_value |= (sta->ht_cap.mcs.rx_mask[1] << 20 |
+			sta->ht_cap.mcs.rx_mask[0] << 12);
 	switch (wirelessmode) {
 	case WIRELESS_MODE_B:
 		if (ratr_value & 0x0000000c)

@@ -2006,7 +2015,7 @@ void rtl92cu_update_hal_rate_table(struc
 	case WIRELESS_MODE_N_24G:
 	case WIRELESS_MODE_N_5G:
 		nmode = 1;
-		if (mimo_ps == 0) {
+		if (mimo_ps == IEEE80211_SMPS_STATIC) {
 			ratr_value &= 0x0007F005;
 		} else {
 			u32 ratr_mask;

@@ -2016,8 +2025,7 @@ void rtl92cu_update_hal_rate_table(struc
 				ratr_mask = 0x000ff005;
 			else
 				ratr_mask = 0x0f0ff005;
-			if (curtxbw_40mhz)
-				ratr_mask |= 0x00000010;
+
 			ratr_value &= ratr_mask;
 		}
 		break;

@@ -2026,41 +2034,74 @@ void rtl92cu_update_hal_rate_table(struc
 			ratr_value &= 0x000ff0ff;
 		else
 			ratr_value &= 0x0f0ff0ff;
+
 		break;
 	}
+
 	ratr_value &= 0x0FFFFFFF;
-	if (nmode && ((curtxbw_40mhz && curshortgi_40mhz) ||
-	    (!curtxbw_40mhz && curshortgi_20mhz))) {
+
+	if (nmode && ((curtxbw_40mhz &&
+			 curshortgi_40mhz) || (!curtxbw_40mhz &&
+					       curshortgi_20mhz))) {
+
 		ratr_value |= 0x10000000;
 		tmp_ratr_value = (ratr_value >> 12);
+
 		for (shortgi_rate = 15; shortgi_rate > 0; shortgi_rate--) {
 			if ((1 << shortgi_rate) & tmp_ratr_value)
 				break;
 		}
+
 		shortgi_rate = (shortgi_rate << 12) | (shortgi_rate << 8) |
-			       (shortgi_rate << 4) | (shortgi_rate);
+		    (shortgi_rate << 4) | (shortgi_rate);
 	}
+
 	rtl_write_dword(rtlpriv, REG_ARFR0 + ratr_index * 4, ratr_value);
+
+	RT_TRACE(rtlpriv, COMP_RATR, DBG_DMESG, "%x\n",
+		 rtl_read_dword(rtlpriv, REG_ARFR0));
 }
 
-void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw, u8 rssi_level)
+static void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw,
+					 struct ieee80211_sta *sta,
+					 u8 rssi_level)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
-	u32 ratr_bitmap = (u32) mac->basic_rates;
-	u8 *p_mcsrate = mac->mcs;
-	u8 ratr_index = 0;
-	u8 curtxbw_40mhz = mac->bw_40;
-	u8 curshortgi_40mhz = mac->sgi_40;
-	u8 curshortgi_20mhz = mac->sgi_20;
-	enum wireless_mode wirelessmode = mac->mode;
+	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+	struct rtl_sta_info *sta_entry = NULL;
+	u32 ratr_bitmap;
+	u8 ratr_index;
+	u8 curtxbw_40mhz = (sta->bandwidth >= IEEE80211_STA_RX_BW_40) ? 1 : 0;
+	u8 curshortgi_40mhz = curtxbw_40mhz &&
+			      (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ?
+				1 : 0;
+	u8 curshortgi_20mhz = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ?
+				1 : 0;
+	enum wireless_mode wirelessmode = 0;
 	bool shortgi = false;
 	u8 rate_mask[5];
 	u8 macid = 0;
-	u8 mimops = 1;
+	u8 mimo_ps = IEEE80211_SMPS_OFF;
 
-	ratr_bitmap |= (p_mcsrate[1] << 20) | (p_mcsrate[0] << 12);
+	sta_entry = (struct rtl_sta_info *) sta->drv_priv;
+	wirelessmode = sta_entry->wireless_mode;
+	if (mac->opmode == NL80211_IFTYPE_STATION ||
+	    mac->opmode == NL80211_IFTYPE_MESH_POINT)
+		curtxbw_40mhz = mac->bw_40;
+	else if (mac->opmode == NL80211_IFTYPE_AP ||
+		mac->opmode == NL80211_IFTYPE_ADHOC)
+		macid = sta->aid + 1;
+
+	if (rtlhal->current_bandtype == BAND_ON_5G)
+		ratr_bitmap = sta->supp_rates[1] << 4;
+	else
+		ratr_bitmap = sta->supp_rates[0];
+	if (mac->opmode == NL80211_IFTYPE_ADHOC)
+		ratr_bitmap = 0xfff;
+	ratr_bitmap |= (sta->ht_cap.mcs.rx_mask[1] << 20 |
+			sta->ht_cap.mcs.rx_mask[0] << 12);
 	switch (wirelessmode) {
 	case WIRELESS_MODE_B:
 		ratr_index = RATR_INX_WIRELESS_B;

@@ -2071,6 +2112,7 @@ void rtl92cu_update_hal_rate_mask(struct
 		break;
 	case WIRELESS_MODE_G:
 		ratr_index = RATR_INX_WIRELESS_GB;
+
 		if (rssi_level == 1)
 			ratr_bitmap &= 0x00000f00;
 		else if (rssi_level == 2)

@@ -2085,7 +2127,8 @@ void rtl92cu_update_hal_rate_mask(struct
 	case WIRELESS_MODE_N_24G:
 	case WIRELESS_MODE_N_5G:
 		ratr_index = RATR_INX_WIRELESS_NGB;
-		if (mimops == 0) {
+
+		if (mimo_ps == IEEE80211_SMPS_STATIC) {
 			if (rssi_level == 1)
 				ratr_bitmap &= 0x00070000;
 			else if (rssi_level == 2)

@@ -2128,8 +2171,10 @@ void rtl92cu_update_hal_rate_mask(struct
 				}
 			}
 		}
+
 		if ((curtxbw_40mhz && curshortgi_40mhz) ||
 		    (!curtxbw_40mhz && curshortgi_20mhz)) {
+
 			if (macid == 0)
 				shortgi = true;
 			else if (macid == 1)

@@ -2138,21 +2183,42 @@ void rtl92cu_update_hal_rate_mask(struct
 		break;
 	default:
 		ratr_index = RATR_INX_WIRELESS_NGB;
+
 		if (rtlphy->rf_type == RF_1T2R)
 			ratr_bitmap &= 0x000ff0ff;
 		else
 			ratr_bitmap &= 0x0f0ff0ff;
 		break;
 	}
-	RT_TRACE(rtlpriv, COMP_RATR, DBG_DMESG, "ratr_bitmap :%x\n",
-		 ratr_bitmap);
-	*(u32 *)&rate_mask = ((ratr_bitmap & 0x0fffffff) |
-				      ratr_index << 28);
+	sta_entry->ratr_index = ratr_index;
+
+	RT_TRACE(rtlpriv, COMP_RATR, DBG_DMESG,
+		 "ratr_bitmap :%x\n", ratr_bitmap);
+	*(u32 *)&rate_mask = (ratr_bitmap & 0x0fffffff) |
+				     (ratr_index << 28);
 	rate_mask[4] = macid | (shortgi ? 0x20 : 0x00) | 0x80;
 	RT_TRACE(rtlpriv, COMP_RATR, DBG_DMESG,
 		 "Rate_index:%x, ratr_val:%x, %5phC\n",
 		 ratr_index, ratr_bitmap, rate_mask);
-	rtl92c_fill_h2c_cmd(hw, H2C_RA_MASK, 5, rate_mask);
+	memcpy(rtlpriv->rate_mask, rate_mask, 5);
+	/* rtl92c_fill_h2c_cmd() does USB I/O and will result in a
+	 * "scheduled while atomic" if called directly */
+	schedule_work(&rtlpriv->works.fill_h2c_cmd);
+
+	if (macid != 0)
+		sta_entry->ratr_index = ratr_index;
+}
+
+void rtl92cu_update_hal_rate_tbl(struct ieee80211_hw *hw,
+				 struct ieee80211_sta *sta,
+				 u8 rssi_level)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+	if (rtlpriv->dm.useramask)
+		rtl92cu_update_hal_rate_mask(hw, sta, rssi_level);
+	else
+		rtl92cu_update_hal_rate_table(hw, sta);
 }
 
 void rtl92cu_update_channel_access_setting(struct ieee80211_hw *hw)

@@ -98,10 +98,6 @@ void rtl92cu_update_interrupt_mask(struc
 				   u32 add_msr, u32 rm_msr);
 void rtl92cu_get_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val);
 void rtl92cu_set_hw_reg(struct ieee80211_hw *hw, u8 variable, u8 *val);
-void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,
-				   struct ieee80211_sta *sta,
-				   u8 rssi_level);
-void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw, u8 rssi_level);
 
 void rtl92cu_update_channel_access_setting(struct ieee80211_hw *hw);
 bool rtl92cu_gpio_radio_on_off_checking(struct ieee80211_hw *hw, u8 * valid);

@@ -289,14 +289,30 @@ void rtl92c_set_key(struct ieee80211_hw
 				macaddr = cam_const_broad;
 				entry_id = key_index;
 			} else {
+				if (mac->opmode == NL80211_IFTYPE_AP ||
+				    mac->opmode == NL80211_IFTYPE_MESH_POINT) {
+					entry_id = rtl_cam_get_free_entry(hw,
+								 p_macaddr);
+					if (entry_id >=  TOTAL_CAM_ENTRY) {
+						RT_TRACE(rtlpriv, COMP_SEC,
+							 DBG_EMERG,
+							 "Can not find free hw security cam entry\n");
+						return;
+					}
+				} else {
+					entry_id = CAM_PAIRWISE_KEY_POSITION;
+				}
+
 				key_index = PAIRWISE_KEYIDX;
-				entry_id = CAM_PAIRWISE_KEY_POSITION;
 				is_pairwise = true;
 			}
 		}
 		if (rtlpriv->sec.key_len[key_index] == 0) {
 			RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG,
 				 "delete one entry\n");
+			if (mac->opmode == NL80211_IFTYPE_AP ||
+			    mac->opmode == NL80211_IFTYPE_MESH_POINT)
+				rtl_cam_del_entry(hw, p_macaddr);
 			rtl_cam_delete_one_entry(hw, p_macaddr, entry_id);
 		} else {
 			RT_TRACE(rtlpriv, COMP_SEC, DBG_LOUD,

@@ -106,8 +106,7 @@ static struct rtl_hal_ops rtl8192cu_hal_
 	.update_interrupt_mask = rtl92cu_update_interrupt_mask,
 	.get_hw_reg = rtl92cu_get_hw_reg,
 	.set_hw_reg = rtl92cu_set_hw_reg,
-	.update_rate_tbl = rtl92cu_update_hal_rate_table,
-	.update_rate_mask = rtl92cu_update_hal_rate_mask,
+	.update_rate_tbl = rtl92cu_update_hal_rate_tbl,
 	.fill_tx_desc = rtl92cu_tx_fill_desc,
 	.fill_fake_txdesc = rtl92cu_fill_fake_txdesc,
 	.fill_tx_cmddesc = rtl92cu_tx_fill_cmddesc,

@@ -137,6 +136,7 @@ static struct rtl_hal_ops rtl8192cu_hal_
 	.phy_lc_calibrate = _rtl92cu_phy_lc_calibrate,
 	.phy_set_bw_mode_callback = rtl92cu_phy_set_bw_mode_callback,
 	.dm_dynamic_txpower = rtl92cu_dm_dynamic_txpower,
+	.fill_h2c_cmd = rtl92c_fill_h2c_cmd,
 };
 
 static struct rtl_mod_params rtl92cu_mod_params = {

@@ -49,5 +49,8 @@ bool rtl92cu_phy_set_rf_power_state(stru
 u32 rtl92cu_phy_query_rf_reg(struct ieee80211_hw *hw,
 			    enum radio_path rfpath, u32 regaddr, u32 bitmask);
 void rtl92cu_phy_set_bw_mode_callback(struct ieee80211_hw *hw);
+void rtl92cu_update_hal_rate_tbl(struct ieee80211_hw *hw,
+				 struct ieee80211_sta *sta,
+				 u8 rssi_level);
 
 #endif

@@ -740,6 +740,7 @@ static void rtl_usb_stop(struct ieee8021
 
 	/* should after adapter start and interrupt enable. */
 	set_hal_stop(rtlhal);
+	cancel_work_sync(&rtlpriv->works.fill_h2c_cmd);
 	/* Enable software */
 	SET_USB_STOP(rtlusb);
 	rtl_usb_deinit(hw);

@@ -942,6 +943,16 @@ static bool rtl_usb_tx_chk_waitq_insert(
 	return false;
 }
 
+static void rtl_fill_h2c_cmd_work_callback(struct work_struct *work)
+{
+	struct rtl_works *rtlworks =
+	    container_of(work, struct rtl_works, fill_h2c_cmd);
+	struct ieee80211_hw *hw = rtlworks->hw;
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+	rtlpriv->cfg->ops->fill_h2c_cmd(hw, H2C_RA_MASK, 5, rtlpriv->rate_mask);
+}
+
 static struct rtl_intf_ops rtl_usb_ops = {
 	.adapter_start = rtl_usb_start,
 	.adapter_stop = rtl_usb_stop,

@@ -973,6 +984,8 @@ int rtl_usb_probe(struct usb_interface *
 
 	/* this spin lock must be initialized early */
 	spin_lock_init(&rtlpriv->locks.usb_lock);
+	INIT_WORK(&rtlpriv->works.fill_h2c_cmd,
+		  rtl_fill_h2c_cmd_work_callback);
 
 	rtlpriv->usb_data_index = 0;
 	init_completion(&rtlpriv->firmware_loading_complete);

@@ -1572,6 +1572,8 @@ struct rtl_hal_ops {
 	void (*bt_wifi_media_status_notify) (struct ieee80211_hw *hw,
 					     bool mstate);
 	void (*bt_coex_off_before_lps) (struct ieee80211_hw *hw);
+	void (*fill_h2c_cmd) (struct ieee80211_hw *hw, u8 element_id,
+			      u32 cmd_len, u8 *p_cmdbuffer);
 };
 
 struct rtl_intf_ops {

@@ -1698,6 +1700,7 @@ struct rtl_works {
 	struct delayed_work ps_rfon_wq;
 
 	struct work_struct lps_leave_work;
+	struct work_struct fill_h2c_cmd;
 };
 
 struct rtl_debug {

@@ -1866,6 +1869,7 @@ struct rtl_priv {
 			bool bt_operation_on;
 		};
 	};
+	u8 rate_mask[5];
 
 	/*This must be the last item so
 	   that it points to the data allocated

@@ -26,7 +26,6 @@
 #include "fwil.h"
 
 #define PKTFILTER_BUF_SIZE		128
-#define BRCMF_ARPOL_MODE		0xb	/* agent|snoop|peer_autoreply */
 #define BRCMF_DEFAULT_BCN_TIMEOUT	3
 #define BRCMF_DEFAULT_SCAN_CHANNEL_TIME	40
 #define BRCMF_DEFAULT_SCAN_UNASSOC_TIME	40

@@ -337,23 +336,6 @@ int brcmf_c_preinit_dcmds(struct brcmf_i
 		goto done;
 	}
 
-	/* Try to set and enable ARP offload feature, this may fail */
-	err = brcmf_fil_iovar_int_set(ifp, "arp_ol", BRCMF_ARPOL_MODE);
-	if (err) {
-		brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
-			  BRCMF_ARPOL_MODE, err);
-		err = 0;
-	} else {
-		err = brcmf_fil_iovar_int_set(ifp, "arpoe", 1);
-		if (err) {
-			brcmf_dbg(TRACE, "failed to enable ARP offload err = %d\n",
-				  err);
-			err = 0;
-		} else
-			brcmf_dbg(TRACE, "successfully enabled ARP offload to 0x%x\n",
-				  BRCMF_ARPOL_MODE);
-	}
-
 	/* Setup packet filter */
 	brcmf_c_pktfilter_offload_set(ifp, BRCMF_DEFAULT_PACKET_FILTER);
 	brcmf_c_pktfilter_offload_enable(ifp, BRCMF_DEFAULT_PACKET_FILTER,

@@ -23,6 +23,12 @@
 
 #define BRCMF_FIL_ACTION_FRAME_SIZE	1800
 
+/* ARP Offload feature flags for arp_ol iovar */
+#define BRCMF_ARP_OL_AGENT		0x00000001
+#define BRCMF_ARP_OL_SNOOP		0x00000002
+#define BRCMF_ARP_OL_HOST_AUTO_REPLY	0x00000004
+#define BRCMF_ARP_OL_PEER_AUTO_REPLY	0x00000008
+
 
 enum brcmf_fil_p2p_if_types {
 	BRCMF_FIL_P2P_IF_CLIENT,

@@ -505,6 +505,38 @@ send_key_to_dongle(struct net_device *nd
 	return err;
 }
 
+static s32
+brcmf_configure_arp_offload(struct brcmf_if *ifp, bool enable)
+{
+	s32 err;
+	u32 mode;
+
+	if (enable)
+		mode = BRCMF_ARP_OL_AGENT | BRCMF_ARP_OL_PEER_AUTO_REPLY;
+	else
+		mode = 0;
+
+	/* Try to set and enable ARP offload feature, this may fail, then it  */
+	/* is simply not supported and err 0 will be returned                 */
+	err = brcmf_fil_iovar_int_set(ifp, "arp_ol", mode);
+	if (err) {
+		brcmf_dbg(TRACE, "failed to set ARP offload mode to 0x%x, err = %d\n",
+			  mode, err);
+		err = 0;
+	} else {
+		err = brcmf_fil_iovar_int_set(ifp, "arpoe", enable);
+		if (err) {
+			brcmf_dbg(TRACE, "failed to configure (%d) ARP offload err = %d\n",
+				  enable, err);
+			err = 0;
+		} else
+			brcmf_dbg(TRACE, "successfully configured (%d) ARP offload to 0x%x\n",
+				  enable, mode);
+	}
+
+	return err;
+}
+
 static struct wireless_dev *brcmf_cfg80211_add_iface(struct wiphy *wiphy,
 						     const char *name,
 						     enum nl80211_iftype type,

@@ -3709,6 +3741,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wi
 	}
 
 	brcmf_set_mpc(ndev, 0);
+	brcmf_configure_arp_offload(ifp, false);
 
 	/* find the RSN_IE */
 	rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,

@@ -3815,8 +3848,10 @@ brcmf_cfg80211_start_ap(struct wiphy *wi
 	set_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
 
 exit:
-	if (err)
+	if (err) {
 		brcmf_set_mpc(ndev, 1);
+		brcmf_configure_arp_offload(ifp, true);
+	}
 	return err;
 }
 

@@ -3857,6 +3892,7 @@ static int brcmf_cfg80211_stop_ap(struct
 			brcmf_err("bss_enable config failed %d\n", err);
 	}
 	brcmf_set_mpc(ndev, 1);
+	brcmf_configure_arp_offload(ifp, true);
 	set_bit(BRCMF_VIF_STATUS_AP_CREATING, &ifp->vif->sme_state);
 	clear_bit(BRCMF_VIF_STATUS_AP_CREATED, &ifp->vif->sme_state);
 

@@ -4995,6 +5031,8 @@ static s32 brcmf_config_dongle(struct br
 	if (err)
 		goto default_conf_out;
 
+	brcmf_configure_arp_offload(ifp, true);
+
 	cfg->dongle_up = true;
 default_conf_out:
 

@@ -40,7 +40,7 @@ struct thread_info {
 
 /* thread information allocation */
 
-#define THREAD_SIZE_ORDER            2
+#define THREAD_SIZE_ORDER	2 /* PA-RISC requires at least 16k stack */
 /* Be sure to hunt all references to this down when you change the size of
  * the kernel stack */
 #define THREAD_SIZE             (PAGE_SIZE << THREAD_SIZE_ORDER)

@@ -330,6 +330,34 @@ static inline int eirr_to_irq(unsigned l
 	return (BITS_PER_LONG - bit) + TIMER_IRQ;
 }
 
+int sysctl_panic_on_stackoverflow = 1;
+
+static inline void stack_overflow_check(struct pt_regs *regs)
+{
+#ifdef CONFIG_DEBUG_STACKOVERFLOW
+	#define STACK_MARGIN	(256*6)
+
+	/* Our stack starts directly behind the thread_info struct. */
+	unsigned long stack_start = (unsigned long) current_thread_info();
+	unsigned long sp = regs->gr[30];
+
+	/* if sr7 != 0, we interrupted a userspace process which we do not want
+	 * to check for stack overflow. We will only check the kernel stack. */
+	if (regs->sr[7])
+		return;
+
+	if (likely((sp - stack_start) < (THREAD_SIZE - STACK_MARGIN)))
+		return;
+
+	pr_emerg("stackcheck: %s will most likely overflow kernel stack "
+		 "(sp:%lx, stk bottom-top:%lx-%lx)\n",
+		current->comm, sp, stack_start, stack_start + THREAD_SIZE);
+
+	if (sysctl_panic_on_stackoverflow)
+		panic("low stack detected by irq handler - check messages\n");
+#endif
+}
+
 /* ONLY called from entry.S:intr_extint() */
 void do_cpu_irq_mask(struct pt_regs *regs)
 {

@@ -364,6 +392,7 @@ void do_cpu_irq_mask(struct pt_regs *reg
 		goto set_out;
 	}
 #endif
+	stack_overflow_check(regs);
 	generic_handle_irq(irq);
 
  out:

@@ -420,6 +449,4 @@ void __init init_IRQ(void)
 	cpu_eiem = EIEM_MASK(TIMER_IRQ);
 #endif
         set_eiem(cpu_eiem);	/* EIEM : enable all external intr */
-
 }
-

@@ -20,8 +20,6 @@
 
 #endif /* __ASSEMBLY__ */
 
-#define KERNEL_STACK_SIZE 	(4*PAGE_SIZE)
-
 /*
  * Default implementation of macro that returns current
  * instruction pointer ("program counter").

@@ -61,6 +59,23 @@
 #ifndef __ASSEMBLY__
 
 /*
+ * IRQ STACK - used for irq handler
+ */
+#ifdef __KERNEL__
+
+#define IRQ_STACK_SIZE      (4096 << 2) /* 16k irq stack size */
+
+union irq_stack_union {
+	unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)];
+};
+
+DECLARE_PER_CPU(union irq_stack_union, irq_stack_union);
+
+void call_on_stack(unsigned long p1, void *func, unsigned long new_stack);
+
+#endif /* __KERNEL__ */
+
+/*
  * Data detected about CPUs at boot time which is the same for all CPU's.
  * HP boxes are SMP - ie identical processors.
  *

@@ -358,6 +358,29 @@ static inline void stack_overflow_check(
 #endif
 }
 
+#ifdef CONFIG_IRQSTACKS
+DEFINE_PER_CPU(union irq_stack_union, irq_stack_union);
+
+static void execute_on_irq_stack(void *func, unsigned long param1)
+{
+	unsigned long *irq_stack_start;
+	unsigned long irq_stack;
+	int cpu = smp_processor_id();
+
+	irq_stack_start = &per_cpu(irq_stack_union, cpu).stack[0];
+	irq_stack = (unsigned long) irq_stack_start;
+	irq_stack = ALIGN(irq_stack, 16); /* align for stack frame usage */
+
+	BUG_ON(*irq_stack_start); /* report bug if we were called recursive. */
+	*irq_stack_start = 1;
+
+	/* This is where we switch to the IRQ stack. */
+	call_on_stack(param1, func, irq_stack);
+
+	*irq_stack_start = 0;
+}
+#endif /* CONFIG_IRQSTACKS */
+
 /* ONLY called from entry.S:intr_extint() */
 void do_cpu_irq_mask(struct pt_regs *regs)
 {

@@ -393,7 +416,12 @@ void do_cpu_irq_mask(struct pt_regs *reg
 	}
 #endif
 	stack_overflow_check(regs);
+
+#ifdef CONFIG_IRQSTACKS
+	execute_on_irq_stack(&generic_handle_irq, irq);
+#else
 	generic_handle_irq(irq);
+#endif /* CONFIG_IRQSTACKS */
 
  out:
 	irq_exit();

@@ -1,11 +1,45 @@
 /* hardirq.h: PA-RISC hard IRQ support.
  *
  * Copyright (C) 2001 Matthew Wilcox <[email protected]>
+ * Copyright (C) 2013 Helge Deller <[email protected]>
  */
 
 #ifndef _PARISC_HARDIRQ_H
 #define _PARISC_HARDIRQ_H
 
-#include <asm-generic/hardirq.h>
+#include <linux/cache.h>
+#include <linux/threads.h>
+#include <linux/irq.h>
+
+typedef struct {
+	unsigned int __softirq_pending;
+#ifdef CONFIG_DEBUG_STACKOVERFLOW
+	unsigned int kernel_stack_usage;
+#endif
+#ifdef CONFIG_SMP
+	unsigned int irq_resched_count;
+	unsigned int irq_call_count;
+	/*
+	 * irq_tlb_count is double-counted in irq_call_count, so it must be
+	 * subtracted from irq_call_count when displaying irq_call_count
+	 */
+	unsigned int irq_tlb_count;
+#endif
+} ____cacheline_aligned irq_cpustat_t;
+
+DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
+
+#define __ARCH_IRQ_STAT
+#define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
+#define inc_irq_stat(member)	this_cpu_inc(irq_stat.member)
+#define local_softirq_pending()	this_cpu_read(irq_stat.__softirq_pending)
+
+#define __ARCH_SET_SOFTIRQ_PENDING
+
+#define set_softirq_pending(x)	\
+		this_cpu_write(irq_stat.__softirq_pending, (x))
+#define or_softirq_pending(x)	this_cpu_or(irq_stat.__softirq_pending, (x))
+
+#define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq)
 
 #endif /* _PARISC_HARDIRQ_H */

@@ -112,7 +112,6 @@ struct cpuinfo_parisc {
 	unsigned long txn_addr;     /* MMIO addr of EIR or id_eid */
 #ifdef CONFIG_SMP
 	unsigned long pending_ipi;  /* bitmap of type ipi_message_type */
-	unsigned long ipi_count;    /* number ipi Interrupts */
 #endif
 	unsigned long bh_count;     /* number of times bh was invoked */
 	unsigned long prof_counter; /* per CPU profiling support */

72 lines not on this page · raw message

@@ -127,7 +127,7 @@ ipi_interrupt(int irq, void *dev_id)
 	unsigned long flags;
 
 	/* Count this now; we may make a call that never returns. */
-	p->ipi_count++;
+	inc_irq_stat(irq_call_count);
 
 	mb();	/* Order interrupt and bit testing. */
 

@@ -155,6 +155,7 @@ ipi_interrupt(int irq, void *dev_id)
 				
 			case IPI_RESCHEDULE:
 				smp_debug(100, KERN_DEBUG "CPU%d IPI_RESCHEDULE\n", this_cpu);
+				inc_irq_stat(irq_resched_count);
 				scheduler_ipi();
 				break;
 

@@ -1077,6 +1077,7 @@ void flush_tlb_all(void)
 {
 	int do_recycle;
 
+	inc_irq_stat(irq_tlb_count);
 	do_recycle = 0;
 	spin_lock(&sid_lock);
 	if (dirty_space_ids > RECYCLE_THRESHOLD) {

@@ -1097,6 +1098,7 @@ void flush_tlb_all(void)
 #else
 void flush_tlb_all(void)
 {
+	inc_irq_stat(irq_tlb_count);
 	spin_lock(&sid_lock);
 	flush_tlb_all_local(NULL);
 	recycle_sids();

@@ -19,12 +19,8 @@ typedef struct {
 #ifdef CONFIG_SMP
 	unsigned int irq_resched_count;
 	unsigned int irq_call_count;
-	/*
-	 * irq_tlb_count is double-counted in irq_call_count, so it must be
-	 * subtracted from irq_call_count when displaying irq_call_count
-	 */
-	unsigned int irq_tlb_count;
 #endif
+	unsigned int irq_tlb_count;
 } ____cacheline_aligned irq_cpustat_t;
 
 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);

@@ -22,6 +22,8 @@ extern spinlock_t pa_tlb_lock;
 extern void flush_tlb_all(void);
 extern void flush_tlb_all_local(void *);
 
+#define smp_flush_tlb_all()	flush_tlb_all()
+
 /*
  * flush_tlb_mm()
  *

@@ -175,14 +175,13 @@ int arch_show_interrupts(struct seq_file
 	seq_printf(p, "  Rescheduling interrupts\n");
 	seq_printf(p, "%*s: ", prec, "CAL");
 	for_each_online_cpu(j)
-		seq_printf(p, "%10u ", irq_stats(j)->irq_call_count -
-					irq_stats(j)->irq_tlb_count);
+		seq_printf(p, "%10u ", irq_stats(j)->irq_call_count);
 	seq_printf(p, "  Function call interrupts\n");
+#endif
 	seq_printf(p, "%*s: ", prec, "TLB");
 	for_each_online_cpu(j)
 		seq_printf(p, "%10u ", irq_stats(j)->irq_tlb_count);
 	seq_printf(p, "  TLB shootdowns\n");
-#endif
 	return 0;
 }
 

@@ -264,17 +264,6 @@ void arch_send_call_function_single_ipi(
 }
 
 /*
- * Flush all other CPU's tlb and then mine.  Do this with on_each_cpu()
- * as we want to ensure all TLB's flushed before proceeding.
- */
-
-void
-smp_flush_tlb_all(void)
-{
-	on_each_cpu(flush_tlb_all_local, NULL, 1);
-}
-
-/*
  * Called by secondaries to update state and initialize CPU registers.
  */
 static void __init

@@ -606,7 +606,7 @@ void clear_user_highpage(struct page *pa
 	/* Clear using TMPALIAS region.  The page doesn't need to
 	   be flushed but the kernel mapping needs to be purged.  */
 
-	vto = kmap_atomic(page, KM_USER0);
+	vto = kmap_atomic(page);
 
 	/* The PA-RISC 2.0 Architecture book states on page F-6:
 	   "Before a write-capable translation is enabled, *all*

@@ -641,8 +641,8 @@ void copy_user_highpage(struct page *to,
 	   the `to' page must be flushed in copy_user_page_asm since
 	   it can be used to bring in executable code.  */
 
-	vfrom = kmap_atomic(from, KM_USER0);
-	vto = kmap_atomic(to, KM_USER1);
+	vfrom = kmap_atomic(from);
+	vto = kmap_atomic(to);
 
 	purge_kernel_dcache_page_asm((unsigned long)vto);
 	purge_tlb_start(flags);

@@ -11,10 +11,18 @@
 #include <linux/threads.h>
 #include <linux/irq.h>
 
+#ifdef CONFIG_IRQSTACKS
+#define __ARCH_HAS_DO_SOFTIRQ
+#endif
+
 typedef struct {
 	unsigned int __softirq_pending;
 #ifdef CONFIG_DEBUG_STACKOVERFLOW
 	unsigned int kernel_stack_usage;
+#ifdef CONFIG_IRQSTACKS
+	unsigned int irq_stack_usage;
+	unsigned int irq_stack_counter;
+#endif
 #endif
 #ifdef CONFIG_SMP
 	unsigned int irq_resched_count;

@@ -28,6 +36,7 @@ DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpust
 #define __ARCH_IRQ_STAT
 #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
 #define inc_irq_stat(member)	this_cpu_inc(irq_stat.member)
+#define __inc_irq_stat(member)	__this_cpu_inc(irq_stat.member)
 #define local_softirq_pending()	this_cpu_read(irq_stat.__softirq_pending)
 
 #define __ARCH_SET_SOFTIRQ_PENDING

@@ -63,10 +63,13 @@
  */
 #ifdef __KERNEL__
 
+#include <linux/spinlock_types.h>
+
 #define IRQ_STACK_SIZE      (4096 << 2) /* 16k irq stack size */
 
 union irq_stack_union {
 	unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)];
+	raw_spinlock_t lock;
 };
 
 DECLARE_PER_CPU(union irq_stack_union, irq_stack_union);

154 lines not on this page · raw message

@@ -1077,7 +1077,7 @@ void flush_tlb_all(void)
 {
 	int do_recycle;
 
-	inc_irq_stat(irq_tlb_count);
+	__inc_irq_stat(irq_tlb_count);
 	do_recycle = 0;
 	spin_lock(&sid_lock);
 	if (dirty_space_ids > RECYCLE_THRESHOLD) {

@@ -1098,7 +1098,7 @@ void flush_tlb_all(void)
 #else
 void flush_tlb_all(void)
 {
-	inc_irq_stat(irq_tlb_count);
+	__inc_irq_stat(irq_tlb_count);
 	spin_lock(&sid_lock);
 	flush_tlb_all_local(NULL);
 	recycle_sids();

@@ -222,6 +222,7 @@ static struct hp_hardware hp_hardware_li
 	{HPHW_NPROC,0x5DD,0x4,0x81,"Duet W2"},
 	{HPHW_NPROC,0x5DE,0x4,0x81,"Piccolo W+"},
 	{HPHW_NPROC,0x5DF,0x4,0x81,"Cantata W2"},
+	{HPHW_NPROC,0x5DF,0x0,0x00,"Marcato W+? (rp5470)"},
 	{HPHW_NPROC,0x5E0,0x4,0x91,"Cantata DC- W2"},
 	{HPHW_NPROC,0x5E1,0x4,0x91,"Crescendo DC- W2"},
 	{HPHW_NPROC,0x5E2,0x4,0x91,"Crescendo 650 W2"},

@@ -28,6 +28,8 @@ typedef struct {
 	unsigned int irq_resched_count;
 	unsigned int irq_call_count;
 #endif
+	unsigned int irq_unaligned_count;
+	unsigned int irq_fpassist_count;
 	unsigned int irq_tlb_count;
 } ____cacheline_aligned irq_cpustat_t;
 

@@ -188,6 +188,14 @@ int arch_show_interrupts(struct seq_file
 		seq_printf(p, "%10u ", irq_stats(j)->irq_call_count);
 	seq_puts(p, "  Function call interrupts\n");
 #endif
+	seq_printf(p, "%*s: ", prec, "UAH");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", irq_stats(j)->irq_unaligned_count);
+	seq_puts(p, "  Unaligned access handler traps\n");
+	seq_printf(p, "%*s: ", prec, "FPA");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", irq_stats(j)->irq_fpassist_count);
+	seq_puts(p, "  Floating point assist traps\n");
 	seq_printf(p, "%*s: ", prec, "TLB");
 	for_each_online_cpu(j)
 		seq_printf(p, "%10u ", irq_stats(j)->irq_tlb_count);

@@ -652,6 +652,7 @@ void notrace handle_interruption(int cod
 	case 14:
 		/* Assist Exception Trap, i.e. floating point exception. */
 		die_if_kernel("Floating point exception", regs, 0); /* quiet */
+		__inc_irq_stat(irq_fpassist_count);
 		handle_fpe(regs);
 		return;
 		

@@ -27,6 +27,7 @@
 #include <linux/signal.h>
 #include <linux/ratelimit.h>
 #include <asm/uaccess.h>
+#include <asm/hardirq.h>
 
 /* #define DEBUG_UNALIGNED 1 */
 

@@ -454,6 +455,8 @@ void handle_unaligned(struct pt_regs *re
 	struct siginfo si;
 	register int flop=0;	/* true if this is a flop */
 
+	__inc_irq_stat(irq_unaligned_count);
+
 	/* log a message with pacing */
 	if (user_mode(regs)) {
 		if (current->thread.flags & PARISC_UAC_SIGBUS) {

@@ -438,7 +438,6 @@
 	SAVE_SP  (%sr4, PT_SR4 (\regs))
 	SAVE_SP  (%sr5, PT_SR5 (\regs))
 	SAVE_SP  (%sr6, PT_SR6 (\regs))
-	SAVE_SP  (%sr7, PT_SR7 (\regs))
 
 	SAVE_CR  (%cr17, PT_IASQ0(\regs))
 	mtctl	 %r0,	%cr17

@@ -17,13 +17,8 @@
 
 typedef struct {
 	unsigned int __softirq_pending;
-#ifdef CONFIG_DEBUG_STACKOVERFLOW
 	unsigned int kernel_stack_usage;
-#ifdef CONFIG_IRQSTACKS
 	unsigned int irq_stack_usage;
-	unsigned int irq_stack_counter;
-#endif
-#endif
 #ifdef CONFIG_SMP
 	unsigned int irq_resched_count;
 	unsigned int irq_call_count;

@@ -17,7 +17,6 @@
 #include <asm/ptrace.h>
 #include <asm/types.h>
 #include <asm/percpu.h>
-
 #endif /* __ASSEMBLY__ */
 
 /*

@@ -59,26 +58,6 @@
 #ifndef __ASSEMBLY__
 
 /*
- * IRQ STACK - used for irq handler
- */
-#ifdef __KERNEL__
-
-#include <linux/spinlock_types.h>
-
-#define IRQ_STACK_SIZE      (4096 << 2) /* 16k irq stack size */
-
-union irq_stack_union {
-	unsigned long stack[IRQ_STACK_SIZE/sizeof(unsigned long)];
-	raw_spinlock_t lock;
-};
-
-DECLARE_PER_CPU(union irq_stack_union, irq_stack_union);
-
-void call_on_stack(unsigned long p1, void *func, unsigned long new_stack);
-
-#endif /* __KERNEL__ */
-
-/*
  * Data detected about CPUs at boot time which is the same for all CPU's.
  * HP boxes are SMP - ie identical processors.
  *

90 lines not on this page · raw message

@@ -394,7 +394,7 @@ EXPORT_SYMBOL(print_pci_hwpath);
 static void setup_bus_id(struct parisc_device *padev)
 {
 	struct hardware_path path;
-	char name[20];
+	char name[28];
 	char *output = name;
 	int i;
 

@@ -39,17 +39,14 @@ extern unsigned char pfnnid_map[PFNNID_M
 static inline int pfn_to_nid(unsigned long pfn)
 {
 	unsigned int i;
-	unsigned char r;
 
 	if (unlikely(pfn_is_io(pfn)))
 		return 0;
 
 	i = pfn >> PFNNID_SHIFT;
 	BUG_ON(i >= ARRAY_SIZE(pfnnid_map));
-	r = pfnnid_map[i];
-	BUG_ON(r == 0xff);
 
-	return (int)r;
+	return (int)pfnnid_map[i];
 }
 
 static inline int pfn_valid(int pfn)

@@ -69,7 +69,8 @@ void __init setup_cmdline(char **cmdline
 		/* called from hpux boot loader */
 		boot_command_line[0] = '\0';
 	} else {
-		strcpy(boot_command_line, (char *)__va(boot_args[1]));
+		strlcpy(boot_command_line, (char *)__va(boot_args[1]),
+			COMMAND_LINE_SIZE);
 
 #ifdef CONFIG_BLK_DEV_INITRD
 		if (boot_args[2] != 0) /* did palo pass us a ramdisk? */

@@ -234,7 +234,7 @@ static int parport_PS2_supported(struct
 
 struct parport *parport_gsc_probe_port(unsigned long base,
 				       unsigned long base_hi, int irq,
-				       int dma, struct pci_dev *dev)
+				       int dma, struct parisc_device *padev)
 {
 	struct parport_gsc_private *priv;
 	struct parport_operations *ops;

@@ -258,7 +258,6 @@ struct parport *parport_gsc_probe_port(u
 	priv->ctr_writable = 0xff;
 	priv->dma_buf = 0;
 	priv->dma_handle = 0;
-	priv->dev = dev;
 	p->base = base;
 	p->base_hi = base_hi;
 	p->irq = irq;

@@ -282,6 +281,7 @@ struct parport *parport_gsc_probe_port(u
 		return NULL;
 	}
 
+	p->dev = &padev->dev;
 	p->base_hi = base_hi;
 	p->modes = tmp.modes;
 	p->size = (p->modes & PARPORT_MODE_EPP)?8:3;

@@ -373,7 +373,7 @@ static int parport_init_chip(struct pari
 	}
 	
 	p = parport_gsc_probe_port(port, 0, dev->irq,
-			/* PARPORT_IRQ_NONE */ PARPORT_DMA_NONE, NULL);
+			/* PARPORT_IRQ_NONE */ PARPORT_DMA_NONE, dev);
 	if (p)
 		parport_count++;
 	dev_set_drvdata(&dev->dev, p);

@@ -217,6 +217,6 @@ extern void parport_gsc_dec_use_count(vo
 extern struct parport *parport_gsc_probe_port(unsigned long base,
 						unsigned long base_hi,
 						int irq, int dma,
-						struct pci_dev *dev);
+						struct parisc_device *padev);
 
 #endif	/* __DRIVERS_PARPORT_PARPORT_GSC_H */

@@ -27,7 +27,7 @@ extern struct node_map_data node_data[];
 
 #define PFNNID_SHIFT (30 - PAGE_SHIFT)
 #define PFNNID_MAP_MAX  512     /* support 512GB */
-extern unsigned char pfnnid_map[PFNNID_MAP_MAX];
+extern signed char pfnnid_map[PFNNID_MAP_MAX];
 
 #ifndef CONFIG_64BIT
 #define pfn_is_io(pfn) ((pfn & (0xf0000000UL >> PAGE_SHIFT)) == (0xf0000000UL >> PAGE_SHIFT))

@@ -46,7 +46,7 @@ static inline int pfn_to_nid(unsigned lo
 	i = pfn >> PFNNID_SHIFT;
 	BUG_ON(i >= ARRAY_SIZE(pfnnid_map));
 
-	return (int)pfnnid_map[i];
+	return pfnnid_map[i];
 }
 
 static inline int pfn_valid(int pfn)

@@ -47,7 +47,7 @@ pte_t pg0[PT_INITIAL * PTRS_PER_PTE] __a
 
 #ifdef CONFIG_DISCONTIGMEM
 struct node_map_data node_data[MAX_NUMNODES] __read_mostly;
-unsigned char pfnnid_map[PFNNID_MAP_MAX] __read_mostly;
+signed char pfnnid_map[PFNNID_MAP_MAX] __read_mostly;
 #endif
 
 static struct resource data_resource = {

@@ -1205,6 +1205,7 @@ static struct hp_hardware hp_hardware_li
 	{HPHW_FIO, 0x004, 0x00320, 0x0, "Metheus Frame Buffer"}, 
 	{HPHW_FIO, 0x004, 0x00340, 0x0, "BARCO CX4500 VME Grphx Cnsl"}, 
 	{HPHW_FIO, 0x004, 0x00360, 0x0, "Hughes TOG VME FDDI"}, 
+	{HPHW_FIO, 0x076, 0x000AD, 0x00, "Crestone Peak RS-232"},
 	{HPHW_IOA, 0x185, 0x0000B, 0x00, "Java BC Summit Port"}, 
 	{HPHW_IOA, 0x1FF, 0x0000B, 0x00, "Hitachi Ghostview Summit Port"}, 
 	{HPHW_IOA, 0x580, 0x0000B, 0x10, "U2-IOA BC Runway Port"}, 

78 lines not on this page · raw message

@@ -30,6 +30,12 @@ static int __init serial_init_chip(struc
 	unsigned long address;
 	int err;
 
+#ifdef CONFIG_64BIT
+	extern int iosapic_serial_irq(int cellnum);
+	if (!dev->irq && (dev->id.sversion == 0xad))
+		dev->irq = iosapic_serial_irq(dev->mod_index-1);
+#endif
+
 	if (!dev->irq) {
 		/* We find some unattached serial ports by walking native
 		 * busses.  These should be silently ignored.  Otherwise,

@@ -51,7 +57,8 @@ static int __init serial_init_chip(struc
 	memset(&uart, 0, sizeof(uart));
 	uart.port.iotype	= UPIO_MEM;
 	/* 7.272727MHz on Lasi.  Assumed the same for Dino, Wax and Timi. */
-	uart.port.uartclk	= 7272727;
+	uart.port.uartclk	= (dev->id.sversion != 0xad) ?
+					7272727 : 1843200;
 	uart.port.mapbase	= address;
 	uart.port.membase	= ioremap_nocache(address, 16);
 	uart.port.irq	= dev->irq;

@@ -73,6 +80,7 @@ static struct parisc_device_id serial_tb
 	{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00075 },
 	{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0008c },
 	{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0008d },
+	{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x000ad },
 	{ 0 }
 };
 

@@ -225,4 +225,9 @@ static inline int pci_get_legacy_ide_irq
 	return channel ? 15 : 14;
 }
 
+#define HAVE_PCI_MMAP
+
+extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
+	enum pci_mmap_state mmap_state, int write_combine);
+
 #endif /* __ASM_PARISC_PCI_H */

@@ -220,6 +220,33 @@ resource_size_t pcibios_align_resource(v
 }
 
 
+int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
+			enum pci_mmap_state mmap_state, int write_combine)
+{
+	unsigned long prot;
+
+	/*
+	 * I/O space can be accessed via normal processor loads and stores on
+	 * this platform but for now we elect not to do this and portable
+	 * drivers should not do this anyway.
+	 */
+	if (mmap_state == pci_mmap_io)
+		return -EINVAL;
+
+	if (write_combine)
+		return -EINVAL;
+
+	/*
+	 * Ignore write-combine; for now only return uncached mappings.
+	 */
+	prot = pgprot_val(vma->vm_page_prot);
+	prot |= _PAGE_NO_CACHE;
+	vma->vm_page_prot = __pgprot(prot);
+
+	return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
+		vma->vm_end - vma->vm_start, vma->vm_page_prot);
+}
+
 /*
  * A driver is enabling the device.  We make sure that all the appropriate
  * bits are set to allow the device to operate as the driver is expecting.

@@ -387,8 +387,7 @@ static void carl9170_tx_status_process_a
 	u8 tid;
 
 	if (!(txinfo->flags & IEEE80211_TX_CTL_AMPDU) ||
-	    txinfo->flags & IEEE80211_TX_CTL_INJECTED ||
-	   (!(super->f.mac_control & cpu_to_le16(AR9170_TX_MAC_AGGR))))
+	    txinfo->flags & IEEE80211_TX_CTL_INJECTED)
 		return;
 
 	rcu_read_lock();

@@ -981,30 +980,6 @@ static int carl9170_tx_prepare(struct ar
 
 		SET_VAL(CARL9170_TX_SUPER_AMPDU_FACTOR,
 			txc->s.ampdu_settings, factor);
-
-		for (i = 0; i < CARL9170_TX_MAX_RATES; i++) {
-			txrate = &info->control.rates[i];
-			if (txrate->idx >= 0) {
-				txc->s.ri[i] =
-					CARL9170_TX_SUPER_RI_AMPDU;
-
-				if (WARN_ON(!(txrate->flags &
-					      IEEE80211_TX_RC_MCS))) {
-					/*
-					 * Not sure if it's even possible
-					 * to aggregate non-ht rates with
-					 * this HW.
-					 */
-					goto err_out;
-				}
-				continue;
-			}
-
-			txrate->idx = 0;
-			txrate->count = ar->hw->max_rate_tries;
-		}
-
-		mac_tmp |= cpu_to_le16(AR9170_TX_MAC_AGGR);
 	}
 
 	/*

@@ -1012,11 +987,31 @@ static int carl9170_tx_prepare(struct ar
 	 * taken from mac_control. For all fallback rate, the firmware
 	 * updates the mac_control flags from the rate info field.
 	 */
-	for (i = 1; i < CARL9170_TX_MAX_RATES; i++) {
+	for (i = 0; i < CARL9170_TX_MAX_RATES; i++) {
+		__le32 phy_set;
 		txrate = &info->control.rates[i];
 		if (txrate->idx < 0)
 			break;
 
+		phy_set = carl9170_tx_physet(ar, info, txrate);
+		if (i == 0) {
+			/* first rate - part of the hw's frame header */
+			txc->f.phy_control = phy_set;
+
+			if (ampdu && txrate->flags & IEEE80211_TX_RC_MCS)
+				mac_tmp |= cpu_to_le16(AR9170_TX_MAC_AGGR);
+			if (carl9170_tx_rts_check(ar, txrate, ampdu, no_ack))
+				mac_tmp |= cpu_to_le16(AR9170_TX_MAC_PROT_RTS);
+			else if (carl9170_tx_cts_check(ar, txrate))
+				mac_tmp |= cpu_to_le16(AR9170_TX_MAC_PROT_CTS);
+
+		} else {
+			/* fallback rates are stored in the firmware's
+			 * retry rate set array.
+			 */
+			txc->s.rr[i - 1] = phy_set;
+		}
+
 		SET_VAL(CARL9170_TX_SUPER_RI_TRIES, txc->s.ri[i],
 			txrate->count);
 

@@ -1027,21 +1022,13 @@ static int carl9170_tx_prepare(struct ar
 			txc->s.ri[i] |= (AR9170_TX_MAC_PROT_CTS <<
 				CARL9170_TX_SUPER_RI_ERP_PROT_S);
 
-		txc->s.rr[i - 1] = carl9170_tx_physet(ar, info, txrate);
+		if (ampdu && (txrate->flags & IEEE80211_TX_RC_MCS))
+			txc->s.ri[i] |= CARL9170_TX_SUPER_RI_AMPDU;
 	}
 
-	txrate = &info->control.rates[0];
-	SET_VAL(CARL9170_TX_SUPER_RI_TRIES, txc->s.ri[0], txrate->count);
-
-	if (carl9170_tx_rts_check(ar, txrate, ampdu, no_ack))
-		mac_tmp |= cpu_to_le16(AR9170_TX_MAC_PROT_RTS);
-	else if (carl9170_tx_cts_check(ar, txrate))
-		mac_tmp |= cpu_to_le16(AR9170_TX_MAC_PROT_CTS);
-
 	txc->s.len = cpu_to_le16(skb->len);
 	txc->f.length = cpu_to_le16(len + FCS_LEN);
 	txc->f.mac_control = mac_tmp;
-	txc->f.phy_control = carl9170_tx_physet(ar, info, txrate);
 
 	arinfo = (void *)info->rate_driver_data;
 	arinfo->timeout = jiffies;

@@ -1381,9 +1368,9 @@ static void carl9170_tx(struct ar9170 *a
 }
 
 static bool carl9170_tx_ampdu_queue(struct ar9170 *ar,
-	struct ieee80211_sta *sta, struct sk_buff *skb)
+	struct ieee80211_sta *sta, struct sk_buff *skb,
+	struct ieee80211_tx_info *txinfo)
 {
-	struct _carl9170_tx_superframe *super = (void *) skb->data;
 	struct carl9170_sta_info *sta_info;
 	struct carl9170_sta_tid *agg;
 	struct sk_buff *iter;

@@ -1450,7 +1437,7 @@ err_unlock:
 
 err_unlock_rcu:
 	rcu_read_unlock();
-	super->f.mac_control &= ~cpu_to_le16(AR9170_TX_MAC_AGGR);
+	txinfo->flags &= ~IEEE80211_TX_CTL_AMPDU;
 	carl9170_tx_status(ar, skb, false);
 	ar->tx_dropped++;
 	return false;

@@ -1492,7 +1479,7 @@ void carl9170_op_tx(struct ieee80211_hw
 		 * sta == NULL checks are redundant in this
 		 * special case.
 		 */
-		run = carl9170_tx_ampdu_queue(ar, sta, skb);
+		run = carl9170_tx_ampdu_queue(ar, sta, skb, info);
 		if (run)
 			carl9170_tx_ampdu(ar);
 

@@ -1059,7 +1059,10 @@ efi_status_t efi_query_variable_store(u3
 		 * that by attempting to use more space than is available.
 		 */
 		unsigned long dummy_size = remaining_size + 1024;
-		void *dummy = kmalloc(dummy_size, GFP_ATOMIC);
+		void *dummy = kzalloc(dummy_size, GFP_ATOMIC);
+
+		if (!dummy)
+			return EFI_OUT_OF_RESOURCES;
 
 		status = efi.set_variable(efi_dummy_name, &EFI_DUMMY_GUID,
 					  EFI_VARIABLE_NON_VOLATILE |

@@ -1079,6 +1082,8 @@ efi_status_t efi_query_variable_store(u3
 					 0, dummy);
 		}
 
+		kfree(dummy);
+
 		/*
 		 * The runtime code may now have triggered a garbage collection
 		 * run, so check the variable info again

@@ -238,6 +238,7 @@ void __init kvmclock_init(void)
 	if (!mem)
 		return;
 	hv_clock = __va(mem);
+	memset(hv_clock, 0, size);
 
 	if (kvm_register_clock("boot clock")) {
 		hv_clock = NULL;

@@ -558,8 +558,6 @@ int __kvm_set_xcr(struct kvm_vcpu *vcpu,
 	if (index != XCR_XFEATURE_ENABLED_MASK)
 		return 1;
 	xcr0 = xcr;
-	if (kvm_x86_ops->get_cpl(vcpu) != 0)
-		return 1;
 	if (!(xcr0 & XSTATE_FP))
 		return 1;
 	if ((xcr0 & XSTATE_YMM) && !(xcr0 & XSTATE_SSE))

@@ -573,7 +571,8 @@ int __kvm_set_xcr(struct kvm_vcpu *vcpu,
 
 int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
 {
-	if (__kvm_set_xcr(vcpu, index, xcr)) {
+	if (kvm_x86_ops->get_cpl(vcpu) != 0 ||
+	    __kvm_set_xcr(vcpu, index, xcr)) {
 		kvm_inject_gp(vcpu, 0);
 		return 1;
 	}

@@ -304,7 +304,8 @@ static void acpi_dev_irqresource_disable
 }
 
 static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,
-				     u8 triggering, u8 polarity, u8 shareable)
+				     u8 triggering, u8 polarity, u8 shareable,
+				     bool legacy)
 {
 	int irq, p, t;
 

@@ -317,14 +318,19 @@ static void acpi_dev_get_irqresource(str
 	 * In IO-APIC mode, use overrided attribute. Two reasons:
 	 * 1. BIOS bug in DSDT
 	 * 2. BIOS uses IO-APIC mode Interrupt Source Override
+	 *
+	 * We do this only if we are dealing with IRQ() or IRQNoFlags()
+	 * resource (the legacy ISA resources). With modern ACPI 5 devices
+	 * using extended IRQ descriptors we take the IRQ configuration
+	 * from _CRS directly.
 	 */
-	if (!acpi_get_override_irq(gsi, &t, &p)) {
+	if (legacy && !acpi_get_override_irq(gsi, &t, &p)) {
 		u8 trig = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE;
 		u8 pol = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
 
 		if (triggering != trig || polarity != pol) {
 			pr_warning("ACPI: IRQ %d override to %s, %s\n", gsi,
-				   t ? "edge" : "level", p ? "low" : "high");
+				   t ? "level" : "edge", p ? "low" : "high");
 			triggering = trig;
 			polarity = pol;
 		}

@@ -373,7 +379,7 @@ bool acpi_dev_resource_interrupt(struct
 		}
 		acpi_dev_get_irqresource(res, irq->interrupts[index],
 					 irq->triggering, irq->polarity,
-					 irq->sharable);
+					 irq->sharable, true);
 		break;
 	case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
 		ext_irq = &ares->data.extended_irq;

@@ -383,7 +389,7 @@ bool acpi_dev_resource_interrupt(struct
 		}
 		acpi_dev_get_irqresource(res, ext_irq->interrupts[index],
 					 ext_irq->triggering, ext_irq->polarity,
-					 ext_irq->sharable);
+					 ext_irq->sharable, false);
 		break;
 	default:
 		return false;

@@ -868,8 +868,10 @@ static ssize_t write_undock(struct devic
 	if (!count)
 		return -EINVAL;
 
+	acpi_scan_lock_acquire();
 	begin_undock(dock_station);
 	ret = handle_eject_request(dock_station, ACPI_NOTIFY_EJECT_REQUEST);
+	acpi_scan_lock_release();
 	return ret ? ret: count;
 }
 static DEVICE_ATTR(undock, S_IWUSR, NULL, write_undock);

@@ -865,6 +865,7 @@ int acpi_add_power_resource(acpi_handle
 				ACPI_STA_DEFAULT);
 	mutex_init(&resource->resource_lock);
 	INIT_LIST_HEAD(&resource->dependent);
+	INIT_LIST_HEAD(&resource->list_node);
 	resource->name = device->pnp.bus_id;
 	strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
 	strcpy(acpi_device_class(device), ACPI_POWER_CLASS);

@@ -190,8 +190,7 @@ struct dma_buf *drm_gem_prime_export(str
 		if (ret)
 			return ERR_PTR(ret);
 	}
-	return dma_buf_export(obj, &drm_gem_prime_dmabuf_ops, obj->size,
-			      0600);
+	return dma_buf_export(obj, &drm_gem_prime_dmabuf_ops, obj->size, flags);
 }
 EXPORT_SYMBOL(drm_gem_prime_export);
 

@@ -1197,11 +1197,13 @@ int radeon_vm_bo_update_pte(struct radeo
 int radeon_vm_bo_rmv(struct radeon_device *rdev,
 		     struct radeon_bo_va *bo_va)
 {
-	int r;
+	int r = 0;
 
 	mutex_lock(&rdev->vm_manager.lock);
 	mutex_lock(&bo_va->vm->mutex);
-	r = radeon_vm_bo_update_pte(rdev, bo_va->vm, bo_va->bo, NULL);
+	if (bo_va->soffset) {
+		r = radeon_vm_bo_update_pte(rdev, bo_va->vm, bo_va->bo, NULL);
+	}
 	mutex_unlock(&rdev->vm_manager.lock);
 	list_del(&bo_va->vm_list);
 	mutex_unlock(&bo_va->vm->mutex);

@@ -402,6 +402,13 @@ int radeon_ring_alloc(struct radeon_devi
 		return -ENOMEM;
 	/* Align requested size with padding so unlock_commit can
 	 * pad safely */
+	radeon_ring_free_size(rdev, ring);
+	if (ring->ring_free_dw == (ring->ring_size / 4)) {
+		/* This is an empty ring update lockup info to avoid
+		 * false positive.
+		 */
+		radeon_ring_lockup_update(ring);
+	}
 	ndw = (ndw + ring->align_mask) & ~ring->align_mask;
 	while (ndw > (ring->ring_free_dw - 1)) {
 		radeon_ring_free_size(rdev, ring);

@@ -4,7 +4,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/sort.h>
-
+#include <linux/string.h>
 #include <linux/range.h>
 
 int add_range(struct range *range, int az, int nr_range, u64 start, u64 end)

@@ -32,9 +32,8 @@ int add_range_with_merge(struct range *r
 	if (start >= end)
 		return nr_range;
 
-	/* Try to merge it with old one: */
+	/* get new start/end: */
 	for (i = 0; i < nr_range; i++) {
-		u64 final_start, final_end;
 		u64 common_start, common_end;
 
 		if (!range[i].end)

@@ -45,14 +44,16 @@ int add_range_with_merge(struct range *r
 		if (common_start > common_end)
 			continue;
 
-		final_start = min(range[i].start, start);
-		final_end = max(range[i].end, end);
-
-		/* clear it and add it back for further merge */
-		range[i].start = 0;
-		range[i].end =  0;
-		return add_range_with_merge(range, az, nr_range,
-			final_start, final_end);
+		/* new start/end, will add it back at last */
+		start = min(range[i].start, start);
+		end = max(range[i].end, end);
+
+		memmove(&range[i], &range[i + 1],
+			(nr_range - (i + 1)) * sizeof(range[i]));
+		range[nr_range - 1].start = 0;
+		range[nr_range - 1].end   = 0;
+		nr_range--;
+		i--;
 	}
 
 	/* Need to add it: */

@@ -714,15 +714,15 @@ int __init mtrr_cleanup(unsigned address
 	if (mtrr_tom2)
 		x_remove_size = (mtrr_tom2 >> PAGE_SHIFT) - x_remove_base;
 
-	nr_range = x86_get_mtrr_mem_range(range, 0, x_remove_base, x_remove_size);
 	/*
 	 * [0, 1M) should always be covered by var mtrr with WB
 	 * and fixed mtrrs should take effect before var mtrr for it:
 	 */
-	nr_range = add_range_with_merge(range, RANGE_NUM, nr_range, 0,
+	nr_range = add_range_with_merge(range, RANGE_NUM, 0, 0,
 					1ULL<<(20 - PAGE_SHIFT));
-	/* Sort the ranges: */
-	sort_range(range, nr_range);
+	/* add from var mtrr at last */
+	nr_range = x86_get_mtrr_mem_range(range, nr_range,
+					  x_remove_base, x_remove_size);
 
 	range_sums = sum_ranges(range, nr_range);
 	printk(KERN_INFO "total RAM covered: %ldM\n",

@@ -60,11 +60,11 @@ static inline void __exit exit_amd_micro
 #ifdef CONFIG_MICROCODE_EARLY
 #define MAX_UCODE_COUNT 128
 extern void __init load_ucode_bsp(void);
-extern __init void load_ucode_ap(void);
+extern void __cpuinit load_ucode_ap(void);
 extern int __init save_microcode_in_initrd(void);
 #else
 static inline void __init load_ucode_bsp(void) {}
-static inline __init void load_ucode_ap(void) {}
+static inline void __cpuinit load_ucode_ap(void) {}
 static inline int __init save_microcode_in_initrd(void)
 {
 	return 0;

@@ -407,6 +407,13 @@ fec_restart(struct net_device *ndev, int
 	u32 rcntl = OPT_FRAME_SIZE | 0x04;
 	u32 ecntl = 0x2; /* ETHEREN */
 
+	if (netif_running(ndev)) {
+		netif_device_detach(ndev);
+		napi_disable(&fep->napi);
+		netif_stop_queue(ndev);
+		netif_tx_lock_bh(ndev);
+	}
+
 	/* Whack a reset.  We should wait for this. */
 	writel(1, fep->hwp + FEC_ECNTRL);
 	udelay(10);

@@ -559,6 +566,13 @@ fec_restart(struct net_device *ndev, int
 
 	/* Enable interrupts we wish to service */
 	writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
+
+	if (netif_running(ndev)) {
+		netif_device_attach(ndev);
+		napi_enable(&fep->napi);
+		netif_wake_queue(ndev);
+		netif_tx_unlock_bh(ndev);
+	}
 }
 
 static void

@@ -598,8 +612,22 @@ fec_timeout(struct net_device *ndev)
 
 	ndev->stats.tx_errors++;
 
-	fec_restart(ndev, fep->full_duplex);
-	netif_wake_queue(ndev);
+	fep->delay_work.timeout = true;
+	schedule_delayed_work(&(fep->delay_work.delay_work), 0);
+}
+
+static void fec_enet_work(struct work_struct *work)
+{
+	struct fec_enet_private *fep =
+		container_of(work,
+			     struct fec_enet_private,
+			     delay_work.delay_work.work);
+
+	if (fep->delay_work.timeout) {
+		fep->delay_work.timeout = false;
+		fec_restart(fep->netdev, fep->full_duplex);
+		netif_wake_queue(fep->netdev);
+	}
 }
 
 static void

@@ -970,16 +998,12 @@ static void fec_enet_adjust_link(struct
 {
 	struct fec_enet_private *fep = netdev_priv(ndev);
 	struct phy_device *phy_dev = fep->phy_dev;
-	unsigned long flags;
-
 	int status_change = 0;
 
-	spin_lock_irqsave(&fep->hw_lock, flags);
-
 	/* Prevent a state halted on mii error */
 	if (fep->mii_timeout && phy_dev->state == PHY_HALTED) {
 		phy_dev->state = PHY_RESUMING;
-		goto spin_unlock;
+		return;
 	}
 
 	if (phy_dev->link) {

@@ -1007,9 +1031,6 @@ static void fec_enet_adjust_link(struct
 		}
 	}
 
-spin_unlock:
-	spin_unlock_irqrestore(&fep->hw_lock, flags);
-
 	if (status_change)
 		phy_print_status(phy_dev);
 }

@@ -1656,7 +1677,6 @@ static int fec_enet_init(struct net_devi
 	}
 
 	memset(cbd_base, 0, PAGE_SIZE);
-	spin_lock_init(&fep->hw_lock);
 
 	fep->netdev = ndev;
 

@@ -1882,6 +1902,7 @@ fec_probe(struct platform_device *pdev)
 	if (ret)
 		goto failed_register;
 
+	INIT_DELAYED_WORK(&(fep->delay_work.delay_work), fec_enet_work);
 	return 0;
 
 failed_register:

@@ -1918,6 +1939,7 @@ fec_drv_remove(struct platform_device *p
 	struct resource *r;
 	int i;
 
+	cancel_delayed_work_sync(&(fep->delay_work.delay_work));
 	unregister_netdev(ndev);
 	fec_enet_mii_remove(fep);
 	del_timer_sync(&fep->time_keep);

@@ -191,6 +191,11 @@ struct bufdesc_ex {
 #define BD_ENET_RX_INT          0x00800000
 #define BD_ENET_RX_PTP          ((ushort)0x0400)
 
+struct fec_enet_delayed_work {
+	struct delayed_work delay_work;
+	bool timeout;
+};
+
 /* The FEC buffer descriptors track the ring buffers.  The rx_bd_base and
  * tx_bd_base always point to the base of the buffer descriptors.  The
  * cur_rx and cur_tx point to the currently available buffer.

@@ -224,9 +229,6 @@ struct fec_enet_private {
 	/* The ring entries to be free()ed */
 	struct bufdesc	*dirty_tx;
 
-	/* hold while accessing the HW like ringbuffer for tx/rx but not MAC */
-	spinlock_t hw_lock;
-
 	struct	platform_device *pdev;
 
 	int	opened;

@@ -260,7 +262,7 @@ struct fec_enet_private {
 	int hwts_rx_en;
 	int hwts_tx_en;
 	struct timer_list time_keep;
-
+	struct fec_enet_delayed_work delay_work;
 };
 
 void fec_ptp_init(struct net_device *ndev, struct platform_device *pdev);

@@ -3383,8 +3383,11 @@ int tcp_md5_hash_skb_data(struct tcp_md5
 
 	for (i = 0; i < shi->nr_frags; ++i) {
 		const struct skb_frag_struct *f = &shi->frags[i];
-		struct page *page = skb_frag_page(f);
-		sg_set_page(&sg, page, skb_frag_size(f), f->page_offset);
+		unsigned int offset = f->page_offset;
+		struct page *page = skb_frag_page(f) + (offset >> PAGE_SHIFT);
+
+		sg_set_page(&sg, page, skb_frag_size(f),
+			    offset_in_page(offset));
 		if (crypto_hash_update(desc, &sg, skb_frag_size(f)))
 			return 1;
 	}

@@ -871,10 +871,10 @@ void mrp_uninit_applicant(struct net_dev
 	 */
 	del_timer_sync(&app->join_timer);
 
-	spin_lock(&app->lock);
+	spin_lock_bh(&app->lock);
 	mrp_mad_event(app, MRP_EVENT_TX);
 	mrp_pdu_queue(app);
-	spin_unlock(&app->lock);
+	spin_unlock_bh(&app->lock);
 
 	mrp_queue_xmit(app);
 

@@ -521,6 +521,7 @@ static int gianfar_ptp_probe(struct plat
 	return 0;
 
 no_clock:
+	iounmap(etsects->regs);
 no_ioremap:
 	release_resource(etsects->rsrc);
 no_resource:

@@ -285,7 +285,7 @@ static inline struct hlist_head *vxlan_f
 }
 
 /* Look up Ethernet address in forwarding table */
-static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,
+static struct vxlan_fdb *__vxlan_find_mac(struct vxlan_dev *vxlan,
 					const u8 *mac)
 
 {

@@ -300,6 +300,18 @@ static struct vxlan_fdb *vxlan_find_mac(
 	return NULL;
 }
 
+static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan,
+					const u8 *mac)
+{
+	struct vxlan_fdb *f;
+
+	f = __vxlan_find_mac(vxlan, mac);
+	if (f)
+		f->used = jiffies;
+
+	return f;
+}
+
 /* Add new entry to forwarding table -- assumes lock held */
 static int vxlan_fdb_create(struct vxlan_dev *vxlan,
 			    const u8 *mac, __be32 ip,

@@ -308,7 +320,7 @@ static int vxlan_fdb_create(struct vxlan
 	struct vxlan_fdb *f;
 	int notify = 0;
 
-	f = vxlan_find_mac(vxlan, mac);
+	f = __vxlan_find_mac(vxlan, mac);
 	if (f) {
 		if (flags & NLM_F_EXCL) {
 			netdev_dbg(vxlan->dev,

@@ -453,7 +465,6 @@ static void vxlan_snoop(struct net_devic
 
 	f = vxlan_find_mac(vxlan, src_mac);
 	if (likely(f)) {
-		f->used = jiffies;
 		if (likely(f->remote_ip == src_ip))
 			return;
 

@@ -1147,7 +1147,7 @@ int ip6_append_data(struct sock *sk, int
 			if (WARN_ON(np->cork.opt))
 				return -EINVAL;
 
-			np->cork.opt = kmalloc(opt->tot_len, sk->sk_allocation);
+			np->cork.opt = kzalloc(opt->tot_len, sk->sk_allocation);
 			if (unlikely(np->cork.opt == NULL))
 				return -ENOBUFS;
 

@@ -245,6 +245,71 @@ static void netlbl_domhsh_audit_add(stru
 	}
 }
 
+/**
+ * netlbl_domhsh_validate - Validate a new domain mapping entry
+ * @entry: the entry to validate
+ *
+ * This function validates the new domain mapping entry to ensure that it is
+ * a valid entry.  Returns zero on success, negative values on failure.
+ *
+ */
+static int netlbl_domhsh_validate(const struct netlbl_dom_map *entry)
+{
+	struct netlbl_af4list *iter4;
+	struct netlbl_domaddr4_map *map4;
+#if IS_ENABLED(CONFIG_IPV6)
+	struct netlbl_af6list *iter6;
+	struct netlbl_domaddr6_map *map6;
+#endif /* IPv6 */
+
+	if (entry == NULL)
+		return -EINVAL;
+
+	switch (entry->type) {
+	case NETLBL_NLTYPE_UNLABELED:
+		if (entry->type_def.cipsov4 != NULL ||
+		    entry->type_def.addrsel != NULL)
+			return -EINVAL;
+		break;
+	case NETLBL_NLTYPE_CIPSOV4:
+		if (entry->type_def.cipsov4 == NULL)
+			return -EINVAL;
+		break;
+	case NETLBL_NLTYPE_ADDRSELECT:
+		netlbl_af4list_foreach(iter4, &entry->type_def.addrsel->list4) {
+			map4 = netlbl_domhsh_addr4_entry(iter4);
+			switch (map4->type) {
+			case NETLBL_NLTYPE_UNLABELED:
+				if (map4->type_def.cipsov4 != NULL)
+					return -EINVAL;
+				break;
+			case NETLBL_NLTYPE_CIPSOV4:
+				if (map4->type_def.cipsov4 == NULL)
+					return -EINVAL;
+				break;
+			default:
+				return -EINVAL;
+			}
+		}
+#if IS_ENABLED(CONFIG_IPV6)
+		netlbl_af6list_foreach(iter6, &entry->type_def.addrsel->list6) {
+			map6 = netlbl_domhsh_addr6_entry(iter6);
+			switch (map6->type) {
+			case NETLBL_NLTYPE_UNLABELED:
+				break;
+			default:
+				return -EINVAL;
+			}
+		}
+#endif /* IPv6 */
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 /*
  * Domain Hash Table Functions
  */

@@ -311,6 +376,10 @@ int netlbl_domhsh_add(struct netlbl_dom_
 	struct netlbl_af6list *tmp6;
 #endif /* IPv6 */
 
+	ret_val = netlbl_domhsh_validate(entry);
+	if (ret_val != 0)
+		return ret_val;
+
 	/* XXX - we can remove this RCU read lock as the spinlock protects the
 	 *       entire function, but before we do we need to fixup the
 	 *       netlbl_af[4,6]list RCU functions to do "the right thing" with

@@ -5747,7 +5747,20 @@ err_out:
 	return -EIO;
 }
 
-static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
+static bool rtl_skb_pad(struct sk_buff *skb)
+{
+	if (skb_padto(skb, ETH_ZLEN))
+		return false;
+	skb_put(skb, ETH_ZLEN - skb->len);
+	return true;
+}
+
+static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
+{
+	return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
+}
+
+static inline bool rtl8169_tso_csum(struct rtl8169_private *tp,
 				    struct sk_buff *skb, u32 *opts)
 {
 	const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;