tgupdate: merge t/DO-NOT-MERGE-mptcp-enabled-by-default into t/upstream base

Author: matttbe

Documentation/netlink/specs/rt_addr.yaml

@@ -168,6 +168,29 @@ operations:
         reply:
           value: 20
           attributes: *ifaddr-all
+    -
+      name: getmaddrs
+      doc: Get / dump IPv4/IPv6 multicast addresses.
+      attribute-set: addr-attrs
+      fixed-header: ifaddrmsg
+      do:
+        request:
+          value: 58
+          attributes:
+            - ifa-family
+            - ifa-index
+        reply:
+          value: 58
+          attributes: &mcaddr-attrs
+            - ifa-multicast
+            - ifa-cacheinfo
+      dump:
+        request:
+          value: 58
+            - ifa-family
+        reply:
+          value: 58
+          attributes: *mcaddr-attrs
 
 mcast-groups:
   list:

Documentation/networking/devlink/sfc.rst

@@ -5,7 +5,7 @@ sfc devlink support
 ===================
 
 This document describes the devlink features implemented by the ``sfc``
-device driver for the ef100 device.
+device driver for the ef10 and ef100 devices.
 
 Info versions
 =============
@@ -18,6 +18,10 @@ The ``sfc`` driver reports the following versions
    * - Name
      - Type
      - Description
+   * - ``fw.bundle_id``
+     - stored
+     - Version of the firmware "bundle" image that was last used to update
+       multiple components.
    * - ``fw.mgmt.suc``
      - running
      - For boards where the management function is split between multiple
@@ -55,3 +59,13 @@ The ``sfc`` driver reports the following versions
    * - ``fw.uefi``
      - running
      - UEFI driver version (No UNDI support).
+
+Flash Update
+============
+
+The ``sfc`` driver implements support for flash update using the
+``devlink-flash`` interface. It supports updating the device flash using a
+combined flash image ("bundle") that contains multiple components (on ef10,
+typically ``fw.mgmt``, ``fw.app``, ``fw.exprom`` and ``fw.uefi``).
+
+The driver does not support any overwrite mask flags.

Documentation/networking/ip-sysctl.rst

@@ -705,6 +705,8 @@ tcp_retries2 - INTEGER
 	seconds and is a lower bound for the effective timeout.
 	TCP will effectively time out at the first RTO which exceeds the
 	hypothetical timeout.
+	If tcp_rto_max_ms is decreased, it is recommended to also
+	change tcp_retries2.
 
 	RFC 1122 recommends at least 100 seconds for the timeout,
 	which corresponds to a value of at least 8.
@@ -1237,6 +1239,17 @@ tcp_rto_min_us - INTEGER
 
 	Default: 200000
 
+tcp_rto_max_ms - INTEGER
+	Maximal TCP retransmission timeout (in ms).
+	Note that TCP_RTO_MAX_MS socket option has higher precedence.
+
+	When changing tcp_rto_max_ms, it is important to understand
+	that tcp_retries2 might need a change.
+
+	Possible Values: 1000 - 120,000
+
+	Default: 120,000
+
 UDP variables
 =============
 

Documentation/networking/net_cachelines/inet_connection_sock.rst

@@ -17,6 +17,7 @@ struct timer_list                   icsk_retransmit_timer  read_mostly
 struct timer_list                   icsk_delack_timer      read_mostly                             inet_csk_reset_xmit_timer,tcp_connect
 u32                                 icsk_rto               read_write                              tcp_cwnd_validate,tcp_schedule_loss_probe,tcp_connect_init,tcp_connect,tcp_write_xmit,tcp_push_one
 u32                                 icsk_rto_min
+u32                                 icsk_rto_max           read_mostly                             tcp_reset_xmit_timer
 u32                                 icsk_delack_max
 u32                                 icsk_pmtu_cookie       read_write                              tcp_sync_mss,tcp_current_mss,tcp_send_syn_data,tcp_connect_init,tcp_connect
 struct tcp_congestion_ops           icsk_ca_ops            read_write                              tcp_cwnd_validate,tcp_tso_segs,tcp_ca_dst_init,tcp_connect_init,tcp_connect,tcp_write_xmit

Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst

@@ -86,6 +86,7 @@ u8                              sysctl_tcp_sack
 u8                              sysctl_tcp_window_scaling                                                            tcp_syn_options,tcp_parse_options
 u8                              sysctl_tcp_timestamps
 u8                              sysctl_tcp_early_retrans                     read_mostly                             tcp_schedule_loss_probe(tcp_write_xmit)
+u32                             sysctl_tcp_rto_max_ms
 u8                              sysctl_tcp_recovery                                                                  tcp_fastretrans_alert
 u8                              sysctl_tcp_thin_linear_timeouts                                                      tcp_retrans_timer(on_thin_streams)
 u8                              sysctl_tcp_slow_start_after_idle                                                     unlikely(tcp_cwnd_validate-network-not-starved)

drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c

@@ -113,19 +113,9 @@ static const struct hwmon_ops aq_hwmon_ops = {
 	.read_string = aq_hwmon_read_string,
 };
 
-static u32 aq_hwmon_temp_config[] = {
-	HWMON_T_INPUT | HWMON_T_LABEL,
-	HWMON_T_INPUT | HWMON_T_LABEL,
-	0,
-};
-
-static const struct hwmon_channel_info aq_hwmon_temp = {
-	.type = hwmon_temp,
-	.config = aq_hwmon_temp_config,
-};
-
 static const struct hwmon_channel_info * const aq_hwmon_info[] = {
-	&aq_hwmon_temp,
+	HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT | HWMON_T_LABEL,
+			   HWMON_T_INPUT | HWMON_T_LABEL),
 	NULL,
 };
 

drivers/net/ethernet/freescale/fec_main.c

@@ -1093,6 +1093,29 @@ static void fec_enet_enable_ring(struct net_device *ndev)
 	}
 }
 
+/* Whack a reset.  We should wait for this.
+ * For i.MX6SX SOC, enet use AXI bus, we use disable MAC
+ * instead of reset MAC itself.
+ */
+static void fec_ctrl_reset(struct fec_enet_private *fep, bool allow_wol)
+{
+	u32 val;
+
+	if (!allow_wol || !(fep->wol_flag & FEC_WOL_FLAG_SLEEP_ON)) {
+		if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES ||
+		    ((fep->quirks & FEC_QUIRK_NO_HARD_RESET) && fep->link)) {
+			writel(0, fep->hwp + FEC_ECNTRL);
+		} else {
+			writel(FEC_ECR_RESET, fep->hwp + FEC_ECNTRL);
+			udelay(10);
+		}
+	} else {
+		val = readl(fep->hwp + FEC_ECNTRL);
+		val |= (FEC_ECR_MAGICEN | FEC_ECR_SLEEP);
+		writel(val, fep->hwp + FEC_ECNTRL);
+	}
+}
+
 /*
  * This function is called to start or restart the FEC during a link
  * change, transmit timeout, or to reconfigure the FEC.  The network
@@ -1109,17 +1132,7 @@ fec_restart(struct net_device *ndev)
 	if (fep->bufdesc_ex)
 		fec_ptp_save_state(fep);
 
-	/* Whack a reset.  We should wait for this.
-	 * For i.MX6SX SOC, enet use AXI bus, we use disable MAC
-	 * instead of reset MAC itself.
-	 */
-	if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES ||
-	    ((fep->quirks & FEC_QUIRK_NO_HARD_RESET) && fep->link)) {
-		writel(0, fep->hwp + FEC_ECNTRL);
-	} else {
-		writel(1, fep->hwp + FEC_ECNTRL);
-		udelay(10);
-	}
+	fec_ctrl_reset(fep, false);
 
 	/*
 	 * enet-mac reset will reset mac address registers too,
@@ -1373,22 +1386,7 @@ fec_stop(struct net_device *ndev)
 	if (fep->bufdesc_ex)
 		fec_ptp_save_state(fep);
 
-	/* Whack a reset.  We should wait for this.
-	 * For i.MX6SX SOC, enet use AXI bus, we use disable MAC
-	 * instead of reset MAC itself.
-	 */
-	if (!(fep->wol_flag & FEC_WOL_FLAG_SLEEP_ON)) {
-		if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES) {
-			writel(0, fep->hwp + FEC_ECNTRL);
-		} else {
-			writel(FEC_ECR_RESET, fep->hwp + FEC_ECNTRL);
-			udelay(10);
-		}
-	} else {
-		val = readl(fep->hwp + FEC_ECNTRL);
-		val |= (FEC_ECR_MAGICEN | FEC_ECR_SLEEP);
-		writel(val, fep->hwp + FEC_ECNTRL);
-	}
+	fec_ctrl_reset(fep, true);
 	writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
 	writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
 

drivers/net/ethernet/freescale/ucc_geth.h

@@ -890,8 +890,6 @@ struct ucc_geth_hardware_statistics {
 							   addresses */
 
 #define TX_TIMEOUT                              (1*HZ)
-#define PHY_INIT_TIMEOUT                        100000
-#define PHY_CHANGE_TIME                         2
 
 /* Fast Ethernet (10/100 Mbps) */
 #define UCC_GETH_URFS_INIT                      512	/* Rx virtual FIFO size

drivers/net/ethernet/intel/Kconfig

@@ -336,7 +336,7 @@ config ICE_SWITCHDEV
 config ICE_HWTS
 	bool "Support HW cross-timestamp on platforms with PTM support"
 	default y
-	depends on ICE && X86
+	depends on ICE && X86 && PCIE_PTM
 	help
 	  Say Y to enable hardware supported cross-timestamping on platforms
 	  with PCIe PTM support. The cross-timestamp is available through

drivers/net/ethernet/intel/e1000e/mac.c

@@ -331,8 +331,21 @@ void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
 	}
 
 	/* replace the entire MTA table */
-	for (i = hw->mac.mta_reg_count - 1; i >= 0; i--)
+	for (i = hw->mac.mta_reg_count - 1; i >= 0; i--) {
 		E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, hw->mac.mta_shadow[i]);
+
+		if (IS_ENABLED(CONFIG_PREEMPT_RT)) {
+			/*
+			 * Do not queue up too many posted writes to prevent
+			 * increased latency for other devices on the
+			 * interconnect. Flush after each 8th posted write,
+			 * to keep additional execution time low while still
+			 * preventing increased latency.
+			 */
+			if (!(i % 8) && i)
+				e1e_flush();
+		}
+	}
 	e1e_flush();
 }