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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 10:15:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 10:15:09 -0800
commit3051bf36c25d5153051704291782f8d44e744d36 (patch)
tree72dfc8a1d12675c6f2981d13102df954b678f11b
parent1e74a2eb1f5cc7f2f2b5aa9c9eeecbcf352220a3 (diff)
parent005c3490e9db23738d91e02788606c0fe4734723 (diff)
downloadlinux-3051bf36c25d5153051704291782f8d44e744d36.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: "Highlights: 1) Support TX_RING in AF_PACKET TPACKET_V3 mode, from Sowmini Varadhan. 2) Simplify classifier state on sk_buff in order to shrink it a bit. From Willem de Bruijn. 3) Introduce SIPHASH and it's usage for secure sequence numbers and syncookies. From Jason A. Donenfeld. 4) Reduce CPU usage for ICMP replies we are going to limit or suppress, from Jesper Dangaard Brouer. 5) Introduce Shared Memory Communications socket layer, from Ursula Braun. 6) Add RACK loss detection and allow it to actually trigger fast recovery instead of just assisting after other algorithms have triggered it. From Yuchung Cheng. 7) Add xmit_more and BQL support to mvneta driver, from Simon Guinot. 8) skb_cow_data avoidance in esp4 and esp6, from Steffen Klassert. 9) Export MPLS packet stats via netlink, from Robert Shearman. 10) Significantly improve inet port bind conflict handling, especially when an application is restarted and changes it's setting of reuseport. From Josef Bacik. 11) Implement TX batching in vhost_net, from Jason Wang. 12) Extend the dummy device so that VF (virtual function) features, such as configuration, can be more easily tested. From Phil Sutter. 13) Avoid two atomic ops per page on x86 in bnx2x driver, from Eric Dumazet. 14) Add new bpf MAP, implementing a longest prefix match trie. From Daniel Mack. 15) Packet sample offloading support in mlxsw driver, from Yotam Gigi. 16) Add new aquantia driver, from David VomLehn. 17) Add bpf tracepoints, from Daniel Borkmann. 18) Add support for port mirroring to b53 and bcm_sf2 drivers, from Florian Fainelli. 19) Remove custom busy polling in many drivers, it is done in the core networking since 4.5 times. From Eric Dumazet. 20) Support XDP adjust_head in virtio_net, from John Fastabend. 21) Fix several major holes in neighbour entry confirmation, from Julian Anastasov. 22) Add XDP support to bnxt_en driver, from Michael Chan. 23) VXLAN offloads for enic driver, from Govindarajulu Varadarajan. 24) Add IPVTAP driver (IP-VLAN based tap driver) from Sainath Grandhi. 25) Support GRO in IPSEC protocols, from Steffen Klassert" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1764 commits) Revert "ath10k: Search SMBIOS for OEM board file extension" net: socket: fix recvmmsg not returning error from sock_error bnxt_en: use eth_hw_addr_random() bpf: fix unlocking of jited image when module ronx not set arch: add ARCH_HAS_SET_MEMORY config net: napi_watchdog() can use napi_schedule_irqoff() tcp: Revert "tcp: tcp_probe: use spin_lock_bh()" net/hsr: use eth_hw_addr_random() net: mvpp2: enable building on 64-bit platforms net: mvpp2: switch to build_skb() in the RX path net: mvpp2: simplify MVPP2_PRS_RI_* definitions net: mvpp2: fix indentation of MVPP2_EXT_GLOBAL_CTRL_DEFAULT net: mvpp2: remove unused register definitions net: mvpp2: simplify mvpp2_bm_bufs_add() net: mvpp2: drop useless fields in mvpp2_bm_pool and related code net: mvpp2: remove unused 'tx_skb' field of 'struct mvpp2_tx_queue' net: mvpp2: release reference to txq_cpu[] entry after unmapping net: mvpp2: handle too large value in mvpp2_rx_time_coal_set() net: mvpp2: handle too large value handling in mvpp2_rx_pkts_coal_set() net: mvpp2: remove useless arguments in mvpp2_rx_{pkts, time}_coal_set ...
-rw-r--r--Documentation/devicetree/bindings/net/brcm,bcm7445-switch-v4.0.txt10
-rw-r--r--Documentation/devicetree/bindings/net/brcm,systemport.txt5
-rw-r--r--Documentation/devicetree/bindings/net/btusb.txt43
-rw-r--r--Documentation/devicetree/bindings/net/cpsw.txt3
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-rw-r--r--Documentation/devicetree/bindings/net/dsa/marvell.txt93
-rw-r--r--Documentation/devicetree/bindings/net/ethernet.txt3
-rw-r--r--Documentation/devicetree/bindings/net/marvell-bt-8xxx.txt (renamed from Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt)46
-rw-r--r--Documentation/devicetree/bindings/net/meson-dwmac.txt16
-rw-r--r--Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt10
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-rw-r--r--Documentation/devicetree/bindings/net/rockchip-dwmac.txt1
-rw-r--r--Documentation/devicetree/bindings/net/snps,dwc-qos-ethernet.txt3
-rw-r--r--Documentation/devicetree/bindings/net/stmmac.txt3
-rw-r--r--Documentation/devicetree/bindings/net/wireless/ieee80211.txt24
-rw-r--r--Documentation/driver-api/80211/cfg80211.rst3
-rw-r--r--Documentation/filesystems/afs.txt34
-rw-r--r--Documentation/networking/dsa/dsa.txt24
-rw-r--r--Documentation/networking/gtp.txt135
-rw-r--r--Documentation/networking/ip-sysctl.txt47
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-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4fw_version.h12
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c21
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4vf/sge.c2
-rw-r--r--drivers/net/ethernet/cirrus/ep93xx_eth.c29
-rw-r--r--drivers/net/ethernet/cisco/enic/enic.h6
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-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_dev.c34
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-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_enet.h1
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_rq.h78
-rw-r--r--drivers/net/ethernet/dec/tulip/de2104x.c91
-rw-r--r--drivers/net/ethernet/dec/tulip/interrupt.c6
-rw-r--r--drivers/net/ethernet/dec/tulip/uli526x.c41
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1746 files changed, 97298 insertions, 35448 deletions
diff --git a/Documentation/devicetree/bindings/net/brcm,bcm7445-switch-v4.0.txt b/Documentation/devicetree/bindings/net/brcm,bcm7445-switch-v4.0.txt
index fb40891..9a734d8 100644
--- a/Documentation/devicetree/bindings/net/brcm,bcm7445-switch-v4.0.txt
+++ b/Documentation/devicetree/bindings/net/brcm,bcm7445-switch-v4.0.txt
@@ -2,7 +2,7 @@
Required properties:
-- compatible: should be "brcm,bcm7445-switch-v4.0"
+- compatible: should be "brcm,bcm7445-switch-v4.0" or "brcm,bcm7278-switch-v4.0"
- reg: addresses and length of the register sets for the device, must be 6
pairs of register addresses and lengths
- interrupts: interrupts for the devices, must be two interrupts
@@ -41,6 +41,13 @@ Optional properties:
Admission Control Block supports reporting the number of packets in-flight in a
switch queue
+Port subnodes:
+
+Optional properties:
+
+- brcm,use-bcm-hdr: boolean property, if present, indicates that the switch
+ port has Broadcom tags enabled (per-packet metadata)
+
Example:
switch_top@f0b00000 {
@@ -114,6 +121,7 @@ switch_top@f0b00000 {
port@0 {
label = "gphy";
reg = <0>;
+ brcm,use-bcm-hdr;
};
...
};
diff --git a/Documentation/devicetree/bindings/net/brcm,systemport.txt b/Documentation/devicetree/bindings/net/brcm,systemport.txt
index 877da34..83f29e0 100644
--- a/Documentation/devicetree/bindings/net/brcm,systemport.txt
+++ b/Documentation/devicetree/bindings/net/brcm,systemport.txt
@@ -1,7 +1,10 @@
* Broadcom BCM7xxx Ethernet Systemport Controller (SYSTEMPORT)
Required properties:
-- compatible: should be one of "brcm,systemport-v1.00" or "brcm,systemport"
+- compatible: should be one of:
+ "brcm,systemport-v1.00"
+ "brcm,systemportlite-v1.00" or
+ "brcm,systemport"
- reg: address and length of the register set for the device.
- interrupts: interrupts for the device, first cell must be for the rx
interrupts, and the second cell should be for the transmit queues. An
diff --git a/Documentation/devicetree/bindings/net/btusb.txt b/Documentation/devicetree/bindings/net/btusb.txt
new file mode 100644
index 0000000..01fa2d4
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/btusb.txt
@@ -0,0 +1,43 @@
+Generic Bluetooth controller over USB (btusb driver)
+---------------------------------------------------
+
+Required properties:
+
+ - compatible : should comply with the format "usbVID,PID" specified in
+ Documentation/devicetree/bindings/usb/usb-device.txt
+ At the time of writing, the only OF supported devices
+ (more may be added later) are:
+
+ "usb1286,204e" (Marvell 8997)
+
+Also, vendors that use btusb may have device additional properties, e.g:
+Documentation/devicetree/bindings/net/marvell-bt-8xxx.txt
+
+Optional properties:
+
+ - interrupt-parent: phandle of the parent interrupt controller
+ - interrupt-names: (see below)
+ - interrupts : The interrupt specified by the name "wakeup" is the interrupt
+ that shall be used for out-of-band wake-on-bt. Driver will
+ request this interrupt for wakeup. During system suspend, the
+ irq will be enabled so that the bluetooth chip can wakeup host
+ platform out of band. During system resume, the irq will be
+ disabled to make sure unnecessary interrupt is not received.
+
+Example:
+
+Following example uses irq pin number 3 of gpio0 for out of band wake-on-bt:
+
+&usb_host1_ehci {
+ status = "okay";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ mvl_bt1: bt@1 {
+ compatible = "usb1286,204e";
+ reg = <1>;
+ interrupt-parent = <&gpio0>;
+ interrupt-name = "wakeup";
+ interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt
index ebda7c9..7cc15c9 100644
--- a/Documentation/devicetree/bindings/net/cpsw.txt
+++ b/Documentation/devicetree/bindings/net/cpsw.txt
@@ -23,7 +23,6 @@ Required properties:
Optional properties:
- ti,hwmods : Must be "cpgmac0"
-- no_bd_ram : Must be 0 or 1
- dual_emac : Specifies Switch to act as Dual EMAC
- syscon : Phandle to the system control device node, which is
the control module device of the am33x
@@ -70,7 +69,6 @@ Examples:
cpdma_channels = <8>;
ale_entries = <1024>;
bd_ram_size = <0x2000>;
- no_bd_ram = <0>;
rx_descs = <64>;
mac_control = <0x20>;
slaves = <2>;
@@ -99,7 +97,6 @@ Examples:
cpdma_channels = <8>;
ale_entries = <1024>;
bd_ram_size = <0x2000>;
- no_bd_ram = <0>;
rx_descs = <64>;
mac_control = <0x20>;
slaves = <2>;
diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.txt b/Documentation/devicetree/bindings/net/dsa/dsa.txt
index a4a570f..cfe8f64 100644
--- a/Documentation/devicetree/bindings/net/dsa/dsa.txt
+++ b/Documentation/devicetree/bindings/net/dsa/dsa.txt
@@ -34,13 +34,9 @@ Required properties:
Each port children node must have the following mandatory properties:
- reg : Describes the port address in the switch
-- label : Describes the label associated with this port, which
- will become the netdev name. Special labels are
- "cpu" to indicate a CPU port and "dsa" to
- indicate an uplink/downlink port between switches in
- the cluster.
-A port labelled "dsa" has the following mandatory property:
+An uplink/downlink port between switches in the cluster has the following
+mandatory property:
- link : Should be a list of phandles to other switch's DSA
port. This port is used as the outgoing port
@@ -48,12 +44,17 @@ A port labelled "dsa" has the following mandatory property:
information must be given, not just the one hop
routes to neighbouring switches.
-A port labelled "cpu" has the following mandatory property:
+A CPU port has the following mandatory property:
- ethernet : Should be a phandle to a valid Ethernet device node.
This host device is what the switch port is
connected to.
+A user port has the following optional property:
+
+- label : Describes the label associated with this port, which
+ will become the netdev name.
+
Port child nodes may also contain the following optional standardised
properties, described in binding documents:
@@ -107,7 +108,6 @@ linked into one DSA cluster.
switch0port5: port@5 {
reg = <5>;
- label = "dsa";
phy-mode = "rgmii-txid";
link = <&switch1port6
&switch2port9>;
@@ -119,7 +119,6 @@ linked into one DSA cluster.
port@6 {
reg = <6>;
- label = "cpu";
ethernet = <&fec1>;
fixed-link {
speed = <100>;
@@ -165,7 +164,6 @@ linked into one DSA cluster.
switch1port5: port@5 {
reg = <5>;
- label = "dsa";
link = <&switch2port9>;
phy-mode = "rgmii-txid";
fixed-link {
@@ -176,7 +174,6 @@ linked into one DSA cluster.
switch1port6: port@6 {
reg = <6>;
- label = "dsa";
phy-mode = "rgmii-txid";
link = <&switch0port5>;
fixed-link {
@@ -255,7 +252,6 @@ linked into one DSA cluster.
switch2port9: port@9 {
reg = <9>;
- label = "dsa";
phy-mode = "rgmii-txid";
link = <&switch1port5
&switch0port5>;
diff --git a/Documentation/devicetree/bindings/net/dsa/marvell.txt b/Documentation/devicetree/bindings/net/dsa/marvell.txt
index b3dd6b4..7ef9dbb 100644
--- a/Documentation/devicetree/bindings/net/dsa/marvell.txt
+++ b/Documentation/devicetree/bindings/net/dsa/marvell.txt
@@ -14,9 +14,9 @@ The properties described here are those specific to Marvell devices.
Additional required and optional properties can be found in dsa.txt.
Required properties:
-- compatible : Should be one of "marvell,mv88e6085" or
- "marvell,mv88e6190"
-- reg : Address on the MII bus for the switch.
+- compatible : Should be one of "marvell,mv88e6085" or
+ "marvell,mv88e6190"
+- reg : Address on the MII bus for the switch.
Optional properties:
@@ -26,30 +26,67 @@ Optional properties:
- interrupt-controller : Indicates the switch is itself an interrupt
controller. This is used for the PHY interrupts.
#interrupt-cells = <2> : Controller uses two cells, number and flag
-- mdio : container of PHY and devices on the switches MDIO
- bus
+- mdio : Container of PHY and devices on the switches MDIO
+ bus.
+- mdio? : Container of PHYs and devices on the external MDIO
+ bus. The node must contains a compatible string of
+ "marvell,mv88e6xxx-mdio-external"
+
Example:
- mdio {
- #address-cells = <1>;
- #size-cells = <0>;
- interrupt-parent = <&gpio0>;
- interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
- interrupt-controller;
- #interrupt-cells = <2>;
-
- switch0: switch@0 {
- compatible = "marvell,mv88e6085";
- reg = <0>;
- reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
- };
- mdio {
- #address-cells = <1>;
- #size-cells = <0>;
- switch1phy0: switch1phy0@0 {
- reg = <0>;
- interrupt-parent = <&switch0>;
- interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
- };
- };
- };
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ switch0: switch@0 {
+ compatible = "marvell,mv88e6085";
+ reg = <0>;
+ reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
+ };
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ switch1phy0: switch1phy0@0 {
+ reg = <0>;
+ interrupt-parent = <&switch0>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+ };
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ switch0: switch@0 {
+ compatible = "marvell,mv88e6390";
+ reg = <0>;
+ reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
+ };
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ switch1phy0: switch1phy0@0 {
+ reg = <0>;
+ interrupt-parent = <&switch0>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+
+ mdio1 {
+ compatible = "marvell,mv88e6xxx-mdio-external";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ switch1phy9: switch1phy0@9 {
+ reg = <9>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/ethernet.txt b/Documentation/devicetree/bindings/net/ethernet.txt
index 05150957..3a69169 100644
--- a/Documentation/devicetree/bindings/net/ethernet.txt
+++ b/Documentation/devicetree/bindings/net/ethernet.txt
@@ -29,6 +29,9 @@ The following properties are common to the Ethernet controllers:
* "smii"
* "xgmii"
* "trgmii"
+ * "2000base-x",
+ * "2500base-x",
+ * "rxaui"
- phy-connection-type: the same as "phy-mode" property but described in ePAPR;
- phy-handle: phandle, specifies a reference to a node representing a PHY
device; this property is described in ePAPR and so preferred;
diff --git a/Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt b/Documentation/devicetree/bindings/net/marvell-bt-8xxx.txt
index 6a9a63c..9be1059 100644
--- a/Documentation/devicetree/bindings/net/marvell-bt-sd8xxx.txt
+++ b/Documentation/devicetree/bindings/net/marvell-bt-8xxx.txt
@@ -1,16 +1,21 @@
-Marvell 8897/8997 (sd8897/sd8997) bluetooth SDIO devices
+Marvell 8897/8997 (sd8897/sd8997) bluetooth devices (SDIO or USB based)
------
+The 8997 devices supports multiple interfaces. When used on SDIO interfaces,
+the btmrvl driver is used and when used on USB interface, the btusb driver is
+used.
Required properties:
- compatible : should be one of the following:
- * "marvell,sd8897-bt"
- * "marvell,sd8997-bt"
+ * "marvell,sd8897-bt" (for SDIO)
+ * "marvell,sd8997-bt" (for SDIO)
+ * "usb1286,204e" (for USB)
Optional properties:
- marvell,cal-data: Calibration data downloaded to the device during
initialization. This is an array of 28 values(u8).
+ This is only applicable to SDIO devices.
- marvell,wakeup-pin: It represents wakeup pin number of the bluetooth chip.
firmware will use the pin to wakeup host system (u16).
@@ -18,10 +23,15 @@ Optional properties:
platform. The value will be configured to firmware. This
is needed to work chip's sleep feature as expected (u16).
- interrupt-parent: phandle of the parent interrupt controller
- - interrupts : interrupt pin number to the cpu. Driver will request an irq based
- on this interrupt number. During system suspend, the irq will be
- enabled so that the bluetooth chip can wakeup host platform under
- certain condition. During system resume, the irq will be disabled
+ - interrupt-names: Used only for USB based devices (See below)
+ - interrupts : specifies the interrupt pin number to the cpu. For SDIO, the
+ driver will use the first interrupt specified in the interrupt
+ array. For USB based devices, the driver will use the interrupt
+ named "wakeup" from the interrupt-names and interrupt arrays.
+ The driver will request an irq based on this interrupt number.
+ During system suspend, the irq will be enabled so that the
+ bluetooth chip can wakeup host platform under certain
+ conditions. During system resume, the irq will be disabled
to make sure unnecessary interrupt is not received.
Example:
@@ -29,7 +39,9 @@ Example:
IRQ pin 119 is used as system wakeup source interrupt.
wakeup pin 13 and gap 100ms are configured so that firmware can wakeup host
using this device side pin and wakeup latency.
-calibration data is also available in below example.
+
+Example for SDIO device follows (calibration data is also available in
+below example).
&mmc3 {
status = "okay";
@@ -54,3 +66,21 @@ calibration data is also available in below example.
marvell,wakeup-gap-ms = /bits/ 16 <0x64>;
};
};
+
+Example for USB device:
+
+&usb_host1_ohci {
+ status = "okay";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ mvl_bt1: bt@1 {
+ compatible = "usb1286,204e";
+ reg = <1>;
+ interrupt-parent = <&gpio0>;
+ interrupt-names = "wakeup";
+ interrupts = <119 IRQ_TYPE_LEVEL_LOW>;
+ marvell,wakeup-pin = /bits/ 16 <0x0d>;
+ marvell,wakeup-gap-ms = /bits/ 16 <0x64>;
+ };
+};
diff --git a/Documentation/devicetree/bindings/net/meson-dwmac.txt b/Documentation/devicetree/bindings/net/meson-dwmac.txt
index 89e62dd..0703ad3 100644
--- a/Documentation/devicetree/bindings/net/meson-dwmac.txt
+++ b/Documentation/devicetree/bindings/net/meson-dwmac.txt
@@ -25,6 +25,22 @@ Required properties on Meson8b and newer:
- "clkin0" - first parent clock of the internal mux
- "clkin1" - second parent clock of the internal mux
+Optional properties on Meson8b and newer:
+- amlogic,tx-delay-ns: The internal RGMII TX clock delay (provided
+ by this driver) in nanoseconds. Allowed values
+ are: 0ns, 2ns, 4ns, 6ns.
+ When phy-mode is set to "rgmii" then the TX
+ delay should be explicitly configured. When
+ not configured a fallback of 2ns is used.
+ When the phy-mode is set to either "rgmii-id"
+ or "rgmii-txid" the TX clock delay is already
+ provided by the PHY. In that case this
+ property should be set to 0ns (which disables
+ the TX clock delay in the MAC to prevent the
+ clock from going off because both PHY and MAC
+ are adding a delay).
+ Any configuration is ignored when the phy-mode
+ is set to "rmii".
Example for Meson6:
diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
index bdefefc6..0eedabe 100644
--- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
+++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
@@ -27,6 +27,14 @@ Optional properties:
'vddmac'.
Default value is 0%.
Ref: Table:1 - Edge rate change (below).
+- vsc8531,led-0-mode : LED mode. Specify how the LED[0] should behave.
+ Allowed values are define in
+ "include/dt-bindings/net/mscc-phy-vsc8531.h".
+ Default value is VSC8531_LINK_1000_ACTIVITY (1).
+- vsc8531,led-1-mode : LED mode. Specify how the LED[1] should behave.
+ Allowed values are define in
+ "include/dt-bindings/net/mscc-phy-vsc8531.h".
+ Default value is VSC8531_LINK_100_ACTIVITY (2).
Table: 1 - Edge rate change
----------------------------------------------------------------|
@@ -60,4 +68,6 @@ Example:
compatible = "ethernet-phy-id0007.0570";
vsc8531,vddmac = <3300>;
vsc8531,edge-slowdown = <7>;
+ vsc8531,led-0-mode = <LINK_1000_ACTIVITY>;
+ vsc8531,led-1-mode = <LINK_100_ACTIVITY>;
};
diff --git a/Documentation/devicetree/bindings/net/phy.txt b/Documentation/devicetree/bindings/net/phy.txt
index fb5056b..b558576 100644
--- a/Documentation/devicetree/bindings/net/phy.txt
+++ b/Documentation/devicetree/bindings/net/phy.txt
@@ -39,6 +39,10 @@ Optional Properties:
- enet-phy-lane-swap: If set, indicates the PHY will swap the TX/RX lanes to
compensate for the board being designed with the lanes swapped.
+- enet-phy-lane-no-swap: If set, indicates that PHY will disable swap of the
+ TX/RX lanes. This property allows the PHY to work correcly after e.g. wrong
+ bootstrap configuration caused by issues in PCB layout design.
+
- eee-broken-100tx:
- eee-broken-1000t:
- eee-broken-10gt:
diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.txt b/Documentation/devicetree/bindings/net/rockchip-dwmac.txt
index 95383c5..8f42755 100644
--- a/Documentation/devicetree/bindings/net/rockchip-dwmac.txt
+++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.txt
@@ -6,6 +6,7 @@ Required properties:
- compatible: should be "rockchip,<name>-gamc"
"rockchip,rk3228-gmac": found on RK322x SoCs
"rockchip,rk3288-gmac": found on RK3288 SoCs
+ "rockchip,rk3328-gmac": found on RK3328 SoCs
"rockchip,rk3366-gmac": found on RK3366 SoCs
"rockchip,rk3368-gmac": found on RK3368 SoCs
"rockchip,rk3399-gmac": found on RK3399 SoCs
diff --git a/Documentation/devicetree/bindings/net/snps,dwc-qos-ethernet.txt b/Documentation/devicetree/bindings/net/snps,dwc-qos-ethernet.txt
index d93f71c..21d27aa4 100644
--- a/Documentation/devicetree/bindings/net/snps,dwc-qos-ethernet.txt
+++ b/Documentation/devicetree/bindings/net/snps,dwc-qos-ethernet.txt
@@ -1,5 +1,8 @@
* Synopsys DWC Ethernet QoS IP version 4.10 driver (GMAC)
+This binding is deprecated, but it continues to be supported, but new
+features should be preferably added to the stmmac binding document.
+
This binding supports the Synopsys Designware Ethernet QoS (Quality Of Service)
IP block. The IP supports multiple options for bus type, clocking and reset
structure, and feature list. Consequently, a number of properties and list
diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt
index 128da75..d3bfc2b 100644
--- a/Documentation/devicetree/bindings/net/stmmac.txt
+++ b/Documentation/devicetree/bindings/net/stmmac.txt
@@ -49,6 +49,8 @@ Optional properties:
- snps,force_sf_dma_mode Force DMA to use the Store and Forward
mode for both tx and rx. This flag is
ignored if force_thresh_dma_mode is set.
+- snps,en-tx-lpi-clockgating Enable gating of the MAC TX clock during
+ TX low-power mode
- snps,multicast-filter-bins: Number of multicast filter hash bins
supported by this device instance
- snps,perfect-filter-entries: Number of perfect filter entries supported
@@ -65,7 +67,6 @@ Optional properties:
- snps,wr_osr_lmt: max write outstanding req. limit
- snps,rd_osr_lmt: max read outstanding req. limit
- snps,kbbe: do not cross 1KiB boundary.
- - snps,axi_all: align address
- snps,blen: this is a vector of supported burst length.
- snps,fb: fixed-burst
- snps,mb: mixed-burst
diff --git a/Documentation/devicetree/bindings/net/wireless/ieee80211.txt b/Documentation/devicetree/bindings/net/wireless/ieee80211.txt
new file mode 100644
index 0000000..f6442b1
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/wireless/ieee80211.txt
@@ -0,0 +1,24 @@
+Common IEEE 802.11 properties
+
+This provides documentation of common properties that are valid for all wireless
+devices.
+
+Optional properties:
+ - ieee80211-freq-limit : list of supported frequency ranges in KHz. This can be
+ used for devices that in a given config support less channels than
+ normally. It may happen chipset supports a wide wireless band but it is
+ limited to some part of it due to used antennas or power amplifier.
+ An example case for this can be tri-band wireless router with two
+ identical chipsets used for two different 5 GHz subbands. Using them
+ incorrectly could not work or decrease performance noticeably.
+
+Example:
+
+pcie@0,0 {
+ reg = <0x0000 0 0 0 0>;
+ wifi@0,0 {
+ reg = <0x0000 0 0 0 0>;
+ ieee80211-freq-limit = <2402000 2482000>,
+ <5170000 5250000>;
+ };
+};
diff --git a/Documentation/driver-api/80211/cfg80211.rst b/Documentation/driver-api/80211/cfg80211.rst
index b1e149e..eca534a 100644
--- a/Documentation/driver-api/80211/cfg80211.rst
+++ b/Documentation/driver-api/80211/cfg80211.rst
@@ -45,6 +45,9 @@ Device registration
:functions: wiphy_new
.. kernel-doc:: include/net/cfg80211.h
+ :functions: wiphy_read_of_freq_limits
+
+.. kernel-doc:: include/net/cfg80211.h
:functions: wiphy_register
.. kernel-doc:: include/net/cfg80211.h
diff --git a/Documentation/filesystems/afs.txt b/Documentation/filesystems/afs.txt
index ffef91c..060da408 100644
--- a/Documentation/filesystems/afs.txt
+++ b/Documentation/filesystems/afs.txt
@@ -64,8 +64,7 @@ USAGE
When inserting the driver modules the root cell must be specified along with a
list of volume location server IP addresses:
- modprobe af_rxrpc
- modprobe rxkad
+ modprobe rxrpc
modprobe kafs rootcell=cambridge.redhat.com:172.16.18.73:172.16.18.91
The first module is the AF_RXRPC network protocol driver. This provides the
@@ -214,34 +213,3 @@ If a file is opened with a particular key and then the file descriptor is
passed to a process that doesn't have that key (perhaps over an AF_UNIX
socket), then the operations on the file will be made with key that was used to
open the file.
-
-
-========
-EXAMPLES
-========
-
-Here's what I use to test this. Some of the names and IP addresses are local
-to my internal DNS. My "root.afs" partition has a mount point within it for
-some public volumes volumes.
-
-insmod /tmp/rxrpc.o
-insmod /tmp/rxkad.o
-insmod /tmp/kafs.o rootcell=cambridge.redhat.com:172.16.18.91
-
-mount -t afs \%root.afs. /afs
-mount -t afs \%cambridge.redhat.com:root.cell. /afs/cambridge.redhat.com/
-
-echo add grand.central.org 18.9.48.14:128.2.203.61:130.237.48.87 > /proc/fs/afs/cells
-mount -t afs "#grand.central.org:root.cell." /afs/grand.central.org/
-mount -t afs "#grand.central.org:root.archive." /afs/grand.central.org/archive
-mount -t afs "#grand.central.org:root.contrib." /afs/grand.central.org/contrib
-mount -t afs "#grand.central.org:root.doc." /afs/grand.central.org/doc
-mount -t afs "#grand.central.org:root.project." /afs/grand.central.org/project
-mount -t afs "#grand.central.org:root.service." /afs/grand.central.org/service
-mount -t afs "#grand.central.org:root.software." /afs/grand.central.org/software
-mount -t afs "#grand.central.org:root.user." /afs/grand.central.org/user
-
-umount /afs
-rmmod kafs
-rmmod rxkad
-rmmod rxrpc
diff --git a/Documentation/networking/dsa/dsa.txt b/Documentation/networking/dsa/dsa.txt
index 63912ef3..b8b4075 100644
--- a/Documentation/networking/dsa/dsa.txt
+++ b/Documentation/networking/dsa/dsa.txt
@@ -295,7 +295,6 @@ DSA currently leverages the following subsystems:
- MDIO/PHY library: drivers/net/phy/phy.c, mdio_bus.c
- Switchdev: net/switchdev/*
- Device Tree for various of_* functions
-- HWMON: drivers/hwmon/*
MDIO/PHY library
----------------
@@ -349,12 +348,6 @@ Documentation/devicetree/bindings/net/dsa/dsa.txt. PHY/MDIO library helper
functions such as of_get_phy_mode(), of_phy_connect() are also used to query
per-port PHY specific details: interface connection, MDIO bus location etc..
-HWMON
------
-
-Some switch drivers feature internal temperature sensors which are exposed as
-regular HWMON devices in /sys/class/hwmon/.
-
Driver development
==================
@@ -495,23 +488,6 @@ Power management
BR_STATE_DISABLED and propagating changes to the hardware if this port is
disabled while being a bridge member
-Hardware monitoring
--------------------
-
-These callbacks are only available if CONFIG_NET_DSA_HWMON is enabled:
-
-- get_temp: this function queries the given switch for its temperature
-
-- get_temp_limit: this function returns the switch current maximum temperature
- limit
-
-- set_temp_limit: this function configures the maximum temperature limit allowed
-
-- get_temp_alarm: this function returns the critical temperature threshold
- returning an alarm notification
-
-See Documentation/hwmon/sysfs-interface for details.
-
Bridge layer
------------
diff --git a/Documentation/networking/gtp.txt b/Documentation/networking/gtp.txt
new file mode 100644
index 0000000..93e9675
--- /dev/null
+++ b/Documentation/networking/gtp.txt
@@ -0,0 +1,135 @@
+The Linux kernel GTP tunneling module
+======================================================================
+Documentation by Harald Welte <laforge@gnumonks.org>
+
+In 'drivers/net/gtp.c' you are finding a kernel-level implementation
+of a GTP tunnel endpoint.
+
+== What is GTP ==
+
+GTP is the Generic Tunnel Protocol, which is a 3GPP protocol used for
+tunneling User-IP payload between a mobile station (phone, modem)
+and the interconnection between an external packet data network (such
+as the internet).
+
+So when you start a 'data connection' from your mobile phone, the
+phone will use the control plane to signal for the establishment of
+such a tunnel between that external data network and the phone. The
+tunnel endpoints thus reside on the phone and in the gateway. All
+intermediate nodes just transport the encapsulated packet.
+
+The phone itself does not implement GTP but uses some other
+technology-dependent protocol stack for transmitting the user IP
+payload, such as LLC/SNDCP/RLC/MAC.
+
+At some network element inside the cellular operator infrastructure
+(SGSN in case of GPRS/EGPRS or classic UMTS, hNodeB in case of a 3G
+femtocell, eNodeB in case of 4G/LTE), the cellular protocol stacking
+is translated into GTP *without breaking the end-to-end tunnel*. So
+intermediate nodes just perform some specific relay function.
+
+At some point the GTP packet ends up on the so-called GGSN (GSM/UMTS)
+or P-GW (LTE), which terminates the tunnel, decapsulates the packet
+and forwards it onto an external packet data network. This can be
+public internet, but can also be any private IP network (or even
+theoretically some non-IP network like X.25).
+
+You can find the protocol specification in 3GPP TS 29.060, available
+publicly via the 3GPP website at http://www.3gpp.org/DynaReport/29060.htm
+
+A direct PDF link to v13.6.0 is provided for convenience below:
+http://www.etsi.org/deliver/etsi_ts/129000_129099/129060/13.06.00_60/ts_129060v130600p.pdf
+
+== The Linux GTP tunnelling module ==
+
+The module implements the function of a tunnel endpoint, i.e. it is
+able to decapsulate tunneled IP packets in the uplink originated by
+the phone, and encapsulate raw IP packets received from the external
+packet network in downlink towards the phone.
+
+It *only* implements the so-called 'user plane', carrying the User-IP
+payload, called GTP-U. It does not implement the 'control plane',
+which is a signaling protocol used for establishment and teardown of
+GTP tunnels (GTP-C).
+
+So in order to have a working GGSN/P-GW setup, you will need a
+userspace program that implements the GTP-C protocol and which then
+uses the netlink interface provided by the GTP-U module in the kernel
+to configure the kernel module.
+
+This split architecture follows the tunneling modules of other
+protocols, e.g. PPPoE or L2TP, where you also run a userspace daemon
+to handle the tunnel establishment, authentication etc. and only the
+data plane is accelerated inside the kernel.
+
+Don't be confused by terminology: The GTP User Plane goes through
+kernel accelerated path, while the GTP Control Plane goes to
+Userspace :)
+
+The official homepge of the module is at
+https://osmocom.org/projects/linux-kernel-gtp-u/wiki
+
+== Userspace Programs with Linux Kernel GTP-U support ==
+
+At the time of this writing, there are at least two Free Software
+implementations that implement GTP-C and can use the netlink interface
+to make use of the Linux kernel GTP-U support:
+
+* OpenGGSN (classic 2G/3G GGSN in C):
+ https://osmocom.org/projects/openggsn/wiki/OpenGGSN
+
+* ergw (GGSN + P-GW in Erlang):
+ https://github.com/travelping/ergw
+
+== Userspace Library / Command Line Utilities ==
+
+There is a userspace library called 'libgtpnl' which is based on
+libmnl and which implements a C-language API towards the netlink
+interface provided by the Kernel GTP module:
+
+http://git.osmocom.org/libgtpnl/
+
+== Protocol Versions ==
+
+There are two different versions of GTP-U: v0 and v1. Both are
+implemented in the Kernel GTP module. Version 0 is a legacy version,
+and deprecated from recent 3GPP specifications.
+
+There are three versions of GTP-C: v0, v1, and v2. As the kernel
+doesn't implement GTP-C, we don't have to worry about this. It's the
+responsibility of the control plane implementation in userspace to
+implement that.
+
+== IPv6 ==
+
+The 3GPP specifications indicate either IPv4 or IPv6 can be used both
+on the inner (user) IP layer, or on the outer (transport) layer.
+
+Unfortunately, the Kernel module currently supports IPv6 neither for
+the User IP payload, nor for the outer IP layer. Patches or other
+Contributions to fix this are most welcome!
+
+== Mailing List ==
+
+If yo have questions regarding how to use the Kernel GTP module from
+your own software, or want to contribute to the code, please use the
+osmocom-net-grps mailing list for related discussion. The list can be
+reached at osmocom-net-gprs@lists.osmocom.org and the mailman
+interface for managign your subscription is at
+https://lists.osmocom.org/mailman/listinfo/osmocom-net-gprs
+
+== Issue Tracker ==
+
+The Osmocom project maintains an issue tracker for the Kernel GTP-U
+module at
+https://osmocom.org/projects/linux-kernel-gtp-u/issues
+
+== History / Acknowledgements ==
+
+The Module was originally created in 2012 by Harald Welte, but never
+completed. Pablo came in to finish the mess Harald left behind. But
+doe to a lack of user interest, it never got merged.
+
+In 2015, Andreas Schultz came to the rescue and fixed lots more bugs,
+extended it with new features and finally pushed all of us to get it
+mainline, where it was merged in 4.7.0.
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 7dd65c9..fc73eeb 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -246,21 +246,12 @@ tcp_dsack - BOOLEAN
Allows TCP to send "duplicate" SACKs.
tcp_early_retrans - INTEGER
- Enable Early Retransmit (ER), per RFC 5827. ER lowers the threshold
- for triggering fast retransmit when the amount of outstanding data is
- small and when no previously unsent data can be transmitted (such
- that limited transmit could be used). Also controls the use of
- Tail loss probe (TLP) that converts RTOs occurring due to tail
- losses into fast recovery (draft-dukkipati-tcpm-tcp-loss-probe-01).
+ Tail loss probe (TLP) converts RTOs occurring due to tail
+ losses into fast recovery (draft-ietf-tcpm-rack). Note that
+ TLP requires RACK to function properly (see tcp_recovery below)
Possible values:
- 0 disables ER
- 1 enables ER
- 2 enables ER but delays fast recovery and fast retransmit
- by a fourth of RTT. This mitigates connection falsely
- recovers when network has a small degree of reordering
- (less than 3 packets).
- 3 enables delayed ER and TLP.
- 4 enables TLP only.
+ 0 disables TLP
+ 3 or 4 enables TLP
Default: 3
tcp_ecn - INTEGER
@@ -712,18 +703,6 @@ tcp_thin_linear_timeouts - BOOLEAN
Documentation/networking/tcp-thin.txt
Default: 0
-tcp_thin_dupack - BOOLEAN
- Enable dynamic triggering of retransmissions after one dupACK
- for thin streams. If set, a check is performed upon reception
- of a dupACK to determine if the stream is thin (less than 4
- packets in flight). As long as the stream is found to be thin,
- data is retransmitted on the first received dupACK. This
- improves retransmission latency for non-aggressive thin
- streams, often found to be time-dependent.
- For more information on thin streams, see
- Documentation/networking/tcp-thin.txt
- Default: 0
-
tcp_limit_output_bytes - INTEGER
Controls TCP Small Queue limit per tcp socket.
TCP bulk sender tends to increase packets in flight until it
@@ -742,6 +721,13 @@ tcp_challenge_ack_limit - INTEGER
UDP variables:
+udp_l3mdev_accept - BOOLEAN
+ Enabling this option allows a "global" bound socket to work
+ across L3 master domains (e.g., VRFs) with packets capable of
+ being received regardless of the L3 domain in which they
+ originated. Only valid when the kernel was compiled with
+ CONFIG_NET_L3_MASTER_DEV.
+
udp_mem - vector of 3 INTEGERs: min, pressure, max
Number of pages allowed for queueing by all UDP sockets.
@@ -843,6 +829,15 @@ ip_local_reserved_ports - list of comma separated ranges
Default: Empty
+ip_unprivileged_port_start - INTEGER
+ This is a per-namespace sysctl. It defines the first
+ unprivileged port in the network namespace. Privileged ports
+ require root or CAP_NET_BIND_SERVICE in order to bind to them.
+ To disable all privileged ports, set this to 0. It may not
+ overlap with the ip_local_reserved_ports range.
+
+ Default: 1024
+
ip_nonlocal_bind - BOOLEAN
If set, allows processes to bind() to non-local IP addresses,
which can be quite useful - but may break some applications.
diff --git a/Documentation/networking/netfilter-sysctl.txt b/Documentation/networking/netfilter-sysctl.txt
new file mode 100644
index 0000000..55791e5
--- /dev/null
+++ b/Documentation/networking/netfilter-sysctl.txt
@@ -0,0 +1,10 @@
+/proc/sys/net/netfilter/* Variables:
+
+nf_log_all_netns - BOOLEAN
+ 0 - disabled (default)
+ not 0 - enabled
+
+ By default, only init_net namespace can log packets into kernel log
+ with LOG target; this aims to prevent containers from flooding host
+ kernel log. If enabled, this target also works in other network
+ namespaces. This variable is only accessible from init_net.
diff --git a/Documentation/networking/packet_mmap.txt b/Documentation/networking/packet_mmap.txt
index daa015a..f3b9e50 100644
--- a/Documentation/networking/packet_mmap.txt
+++ b/Documentation/networking/packet_mmap.txt
@@ -565,7 +565,7 @@ TPACKET_V1 --> TPACKET_V2:
(void *)hdr + TPACKET_ALIGN(sizeof(struct tpacket_hdr))
TPACKET_V2 --> TPACKET_V3:
- - Flexible buffer implementation:
+ - Flexible buffer implementation for RX_RING:
1. Blocks can be configured with non-static frame-size
2. Read/poll is at a block-level (as opposed to packet-level)
3. Added poll timeout to avoid indefinite user-space wait
@@ -574,7 +574,12 @@ TPACKET_V2 --> TPACKET_V3:
4.1 block::timeout
4.2 tpkt_hdr::sk_rxhash
- RX Hash data available in user space
- - Currently only RX_RING available
+ - TX_RING semantics are conceptually similar to TPACKET_V2;
+ use tpacket3_hdr instead of tpacket2_hdr, and TPACKET3_HDRLEN
+ instead of TPACKET2_HDRLEN. In the current implementation,
+ the tp_next_offset field in the tpacket3_hdr MUST be set to
+ zero, indicating that the ring does not hold variable sized frames.
+ Packets with non-zero values of tp_next_offset will be dropped.
-------------------------------------------------------------------------------
+ AF_PACKET fanout mode
diff --git a/Documentation/networking/regulatory.txt b/Documentation/networking/regulatory.txt
index 356f791..7818b5f 100644
--- a/Documentation/networking/regulatory.txt
+++ b/Documentation/networking/regulatory.txt
@@ -156,12 +156,12 @@ struct ieee80211_regdomain mydriver_jp_regdom = {
//.alpha2 = "99", /* If I have no alpha2 to map it to */
.reg_rules = {
/* IEEE 802.11b/g, channels 1..14 */
- REG_RULE(2412-20, 2484+20, 40, 6, 20, 0),
+ REG_RULE(2412-10, 2484+10, 40, 6, 20, 0),
/* IEEE 802.11a, channels 34..48 */
- REG_RULE(5170-20, 5240+20, 40, 6, 20,
+ REG_RULE(5170-10, 5240+10, 40, 6, 20,
NL80211_RRF_NO_IR),
/* IEEE 802.11a, channels 52..64 */
- REG_RULE(5260-20, 5320+20, 40, 6, 20,
+ REG_RULE(5260-10, 5320+10, 40, 6, 20,
NL80211_RRF_NO_IR|
NL80211_RRF_DFS),
}
@@ -205,7 +205,7 @@ the data in regdb.c as an alternative to using CRDA.
The file net/wireless/db.txt should be kept up-to-date with the db.txt
file available in the git repository here:
- git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-regdb.git
+ git://git.kernel.org/pub/scm/linux/kernel/git/sforshee/wireless-regdb.git
Again, most users in most situations should be using the CRDA package
provided with their distribution, and in most other situations users
diff --git a/Documentation/networking/vrf.txt b/Documentation/networking/vrf.txt
index 755dab8..3918dae 100644
--- a/Documentation/networking/vrf.txt
+++ b/Documentation/networking/vrf.txt
@@ -98,10 +98,11 @@ VRF device:
or to specify the output device using cmsg and IP_PKTINFO.
-TCP services running in the default VRF context (ie., not bound to any VRF
-device) can work across all VRF domains by enabling the tcp_l3mdev_accept
-sysctl option:
+TCP & UDP services running in the default VRF context (ie., not bound
+to any VRF device) can work across all VRF domains by enabling the
+tcp_l3mdev_accept and udp_l3mdev_accept sysctl options:
sysctl -w net.ipv4.tcp_l3mdev_accept=1
+ sysctl -w net.ipv4.udp_l3mdev_accept=1
netfilter rules on the VRF device can be used to limit access to services
running in the default VRF context as well.
diff --git a/Documentation/siphash.txt b/Documentation/siphash.txt
new file mode 100644
index 0000000..908d348
--- /dev/null
+++ b/Documentation/siphash.txt
@@ -0,0 +1,175 @@
+ SipHash - a short input PRF
+-----------------------------------------------
+Written by Jason A. Donenfeld <jason@zx2c4.com>
+
+SipHash is a cryptographically secure PRF -- a keyed hash function -- that
+performs very well for short inputs, hence the name. It was designed by
+cryptographers Daniel J. Bernstein and Jean-Philippe Aumasson. It is intended
+as a replacement for some uses of: `jhash`, `md5_transform`, `sha_transform`,
+and so forth.
+
+SipHash takes a secret key filled with randomly generated numbers and either
+an input buffer or several input integers. It spits out an integer that is
+indistinguishable from random. You may then use that integer as part of secure
+sequence numbers, secure cookies, or mask it off for use in a hash table.
+
+1. Generating a key
+
+Keys should always be generated from a cryptographically secure source of
+random numbers, either using get_random_bytes or get_random_once:
+
+siphash_key_t key;
+get_random_bytes(&key, sizeof(key));
+
+If you're not deriving your key from here, you're doing it wrong.
+
+2. Using the functions
+
+There are two variants of the function, one that takes a list of integers, and
+one that takes a buffer:
+
+u64 siphash(const void *data, size_t len, const siphash_key_t *key);
+
+And:
+
+u64 siphash_1u64(u64, const siphash_key_t *key);
+u64 siphash_2u64(u64, u64, const siphash_key_t *key);
+u64 siphash_3u64(u64, u64, u64, const siphash_key_t *key);
+u64 siphash_4u64(u64, u64, u64, u64, const siphash_key_t *key);
+u64 siphash_1u32(u32, const siphash_key_t *key);
+u64 siphash_2u32(u32, u32, const siphash_key_t *key);
+u64 siphash_3u32(u32, u32, u32, const siphash_key_t *key);
+u64 siphash_4u32(u32, u32, u32, u32, const siphash_key_t *key);
+
+If you pass the generic siphash function something of a constant length, it
+will constant fold at compile-time and automatically choose one of the
+optimized functions.
+
+3. Hashtable key function usage:
+
+struct some_hashtable {
+ DECLARE_HASHTABLE(hashtable, 8);
+ siphash_key_t key;
+};
+
+void init_hashtable(struct some_hashtable *table)
+{
+ get_random_bytes(&table->key, sizeof(table->key));
+}
+
+static inline hlist_head *some_hashtable_bucket(struct some_hashtable *table, struct interesting_input *input)
+{
+ return &table->hashtable[siphash(input, sizeof(*input), &table->key) & (HASH_SIZE(table->hashtable) - 1)];
+}
+
+You may then iterate like usual over the returned hash bucket.
+
+4. Security
+
+SipHash has a very high security margin, with its 128-bit key. So long as the
+key is kept secret, it is impossible for an attacker to guess the outputs of
+the function, even if being able to observe many outputs, since 2^128 outputs
+is significant.
+
+Linux implements the "2-4" variant of SipHash.
+
+5. Struct-passing Pitfalls
+
+Often times the XuY functions will not be large enough, and instead you'll
+want to pass a pre-filled struct to siphash. When doing this, it's important
+to always ensure the struct has no padding holes. The easiest way to do this
+is to simply arrange the members of the struct in descending order of size,
+and to use offsetendof() instead of sizeof() for getting the size. For
+performance reasons, if possible, it's probably a good thing to align the
+struct to the right boundary. Here's an example:
+
+const struct {
+ struct in6_addr saddr;
+ u32 counter;
+ u16 dport;
+} __aligned(SIPHASH_ALIGNMENT) combined = {
+ .saddr = *(struct in6_addr *)saddr,
+ .counter = counter,
+ .dport = dport
+};
+u64 h = siphash(&combined, offsetofend(typeof(combined), dport), &secret);
+
+6. Resources
+
+Read the SipHash paper if you're interested in learning more:
+https://131002.net/siphash/siphash.pdf
+
+
+~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~
+
+HalfSipHash - SipHash's insecure younger cousin
+-----------------------------------------------
+Written by Jason A. Donenfeld <jason@zx2c4.com>
+
+On the off-chance that SipHash is not fast enough for your needs, you might be
+able to justify using HalfSipHash, a terrifying but potentially useful
+possibility. HalfSipHash cuts SipHash's rounds down from "2-4" to "1-3" and,
+even scarier, uses an easily brute-forcable 64-bit key (with a 32-bit output)
+instead of SipHash's 128-bit key. However, this may appeal to some
+high-performance `jhash` users.
+
+Danger!
+
+Do not ever use HalfSipHash except for as a hashtable key function, and only
+then when you can be absolutely certain that the outputs will never be
+transmitted out of the kernel. This is only remotely useful over `jhash` as a
+means of mitigating hashtable flooding denial of service attacks.
+
+1. Generating a key
+
+Keys should always be generated from a cryptographically secure source of
+random numbers, either using get_random_bytes or get_random_once:
+
+hsiphash_key_t key;
+get_random_bytes(&key, sizeof(key));
+
+If you're not deriving your key from here, you're doing it wrong.
+
+2. Using the functions
+
+There are two variants of the function, one that takes a list of integers, and
+one that takes a buffer:
+
+u32 hsiphash(const void *data, size_t len, const hsiphash_key_t *key);
+
+And:
+
+u32 hsiphash_1u32(u32, const hsiphash_key_t *key);
+u32 hsiphash_2u32(u32, u32, const hsiphash_key_t *key);
+u32 hsiphash_3u32(u32, u32, u32, const hsiphash_key_t *key);
+u32 hsiphash_4u32(u32, u32, u32, u32, const hsiphash_key_t *key);
+
+If you pass the generic hsiphash function something of a constant length, it
+will constant fold at compile-time and automatically choose one of the
+optimized functions.
+
+3. Hashtable key function usage:
+
+struct some_hashtable {
+ DECLARE_HASHTABLE(hashtable, 8);
+ hsiphash_key_t key;
+};
+
+void init_hashtable(struct some_hashtable *table)
+{
+ get_random_bytes(&table->key, sizeof(table->key));
+}
+
+static inline hlist_head *some_hashtable_bucket(struct some_hashtable *table, struct interesting_input *input)
+{
+ return &table->hashtable[hsiphash(input, sizeof(*input), &table->key) & (HASH_SIZE(table->hashtable) - 1)];
+}
+
+You may then iterate like usual over the returned hash bucket.
+
+4. Performance
+
+HalfSipHash is roughly 3 times slower than JenkinsHash. For many replacements,
+this will not be a problem, as the hashtable lookup isn't the bottleneck. And
+in general, this is probably a good sacrifice to make for the security and DoS
+resistance of HalfSipHash.
diff --git a/Documentation/sysctl/net.txt b/Documentation/sysctl/net.txt
index f0480f7..2ebabc9 100644
--- a/Documentation/sysctl/net.txt
+++ b/Documentation/sysctl/net.txt
@@ -54,6 +54,18 @@ Values :
1 - enable JIT hardening for unprivileged users only
2 - enable JIT hardening for all users
+bpf_jit_kallsyms
+----------------
+
+When Berkeley Packet Filter Just in Time compiler is enabled, then compiled
+images are unknown addresses to the kernel, meaning they neither show up in
+traces nor in /proc/kallsyms. This enables export of these addresses, which
+can be used for debugging/tracing. If bpf_jit_harden is enabled, this feature
+is disabled.
+Values :
+ 0 - disable JIT kallsyms export (default value)
+ 1 - enable JIT kallsyms export for privileged users only
+
dev_weight
--------------
@@ -61,6 +73,27 @@ The maximum number of packets that kernel can handle on a NAPI interrupt,
it's a Per-CPU variable.
Default: 64
+dev_weight_rx_bias
+--------------
+
+RPS (e.g. RFS, aRFS) processing is competing with the registered NAPI poll function
+of the driver for the per softirq cycle netdev_budget. This parameter influences
+the proportion of the configured netdev_budget that is spent on RPS based packet
+processing during RX softirq cycles. It is further meant for making current
+dev_weight adaptable for asymmetric CPU needs on RX/TX side of the network stack.
+(see dev_weight_tx_bias) It is effective on a per CPU basis. Determination is based
+on dev_weight and is calculated multiplicative (dev_weight * dev_weight_rx_bias).
+Default: 1
+
+dev_weight_tx_bias
+--------------
+
+Scales the maximum number of packets that can be processed during a TX softirq cycle.
+Effective on a per CPU basis. Allows scaling of current dev_weight for asymmetric
+net stack processing needs. Be careful to avoid making TX softirq processing a CPU hog.
+Calculation is based on dev_weight (dev_weight * dev_weight_tx_bias).
+Default: 1
+
default_qdisc
--------------
diff --git a/MAINTAINERS b/MAINTAINERS
index 7099fe1..2d79f8f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2607,6 +2607,12 @@ L: netdev@vger.kernel.org
S: Supported
F: drivers/net/ethernet/broadcom/bnx2x/
+BROADCOM BNXT_EN 50 GIGABIT ETHERNET DRIVER
+M: Michael Chan <michael.chan@broadcom.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/broadcom/bnxt/
+
BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITECTURE
M: Florian Fainelli <f.fainelli@gmail.com>
M: Ray Jui <rjui@broadcom.com>
@@ -5647,6 +5653,14 @@ T: git git://linuxtv.org/media_tree.git
S: Odd Fixes
F: drivers/media/usb/gspca/
+GTP (GPRS Tunneling Protocol)
+M: Pablo Neira Ayuso <pablo@netfilter.org>
+M: Harald Welte <laforge@gnumonks.org>
+L: osmocom-net-gprs@lists.osmocom.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/pablo/gtp.git
+S: Maintained
+F: drivers/net/gtp.c
+
GUID PARTITION TABLE (GPT)
M: Davidlohr Bueso <dave@stgolabs.net>
L: linux-efi@vger.kernel.org
@@ -6249,6 +6263,13 @@ F: include/net/cfg802154.h
F: include/net/ieee802154_netdev.h
F: Documentation/networking/ieee802154.txt
+IFE PROTOCOL
+M: Yotam Gigi <yotamg@mellanox.com>
+M: Jamal Hadi Salim <jhs@mojatatu.com>
+F: net/ife
+F: include/net/ife.h
+F: include/uapi/linux/ife.h
+
IGORPLUG-USB IR RECEIVER
M: Sean Young <sean@mess.org>
L: linux-media@vger.kernel.org
@@ -8577,9 +8598,8 @@ F: Documentation/networking/s2io.txt
F: Documentation/networking/vxge.txt
F: drivers/net/ethernet/neterion/
-NETFILTER ({IP,IP6,ARP,EB,NF}TABLES)
+NETFILTER
M: Pablo Neira Ayuso <pablo@netfilter.org>
-M: Patrick McHardy <kaber@trash.net>
M: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
L: netfilter-devel@vger.kernel.org
L: coreteam@netfilter.org
@@ -9396,6 +9416,14 @@ F: drivers/video/fbdev/sti*
F: drivers/video/console/sti*
F: drivers/video/logo/logo_parisc*
+PARMAN
+M: Jiri Pirko <jiri@mellanox.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: lib/parman.c
+F: lib/test_parman.c
+F: include/linux/parman.h
+
PC87360 HARDWARE MONITORING DRIVER
M: Jim Cromie <jim.cromie@gmail.com>
L: linux-hwmon@vger.kernel.org
@@ -9994,6 +10022,13 @@ L: linuxppc-dev@lists.ozlabs.org
S: Maintained
F: drivers/block/ps3vram.c
+PSAMPLE PACKET SAMPLING SUPPORT:
+M: Yotam Gigi <yotamg@mellanox.com>
+S: Maintained
+F: net/psample
+F: include/net/psample.h
+F: include/uapi/linux/psample.h
+
PSTORE FILESYSTEM
M: Kees Cook <keescook@chromium.org>
M: Anton Vorontsov <anton@enomsg.org>
@@ -10623,7 +10658,7 @@ F: drivers/net/wireless/realtek/rtlwifi/
F: drivers/net/wireless/realtek/rtlwifi/rtl8192ce/
RTL8XXXU WIRELESS DRIVER (rtl8xxxu)
-M: Jes Sorensen <Jes.Sorensen@redhat.com>
+M: Jes Sorensen <Jes.Sorensen@gmail.com>
L: linux-wireless@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jes/linux.git rtl8xxxu-devel
S: Maintained
@@ -10889,6 +10924,13 @@ S: Maintained
F: drivers/staging/media/st-cec/
F: Documentation/devicetree/bindings/media/stih-cec.txt
+SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
+M: Ursula Braun <ubraun@linux.vnet.ibm.com>
+L: linux-s390@vger.kernel.org
+W: http://www.ibm.com/developerworks/linux/linux390/
+S: Supported
+F: net/smc/
+
SYNOPSYS DESIGNWARE DMAC DRIVER
M: Viresh Kumar <vireshk@kernel.org>
M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
@@ -10897,13 +10939,6 @@ F: include/linux/dma/dw.h
F: include/linux/platform_data/dma-dw.h
F: drivers/dma/dw/
-SYNOPSYS DESIGNWARE ETHERNET QOS 4.10a driver
-M: Lars Persson <lars.persson@axis.com>
-L: netdev@vger.kernel.org
-S: Supported
-F: Documentation/devicetree/bindings/net/snps,dwc-qos-ethernet.txt
-F: drivers/net/ethernet/synopsys/dwc_eth_qos.c
-
SYNOPSYS DESIGNWARE I2C DRIVER
M: Jarkko Nikula <jarkko.nikula@linux.intel.com>
R: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
@@ -11356,6 +11391,13 @@ F: arch/arm/mach-s3c24xx/mach-bast.c
F: arch/arm/mach-s3c24xx/bast-ide.c
F: arch/arm/mach-s3c24xx/bast-irq.c
+SIPHASH PRF ROUTINES
+M: Jason A. Donenfeld <Jason@zx2c4.com>
+S: Maintained
+F: lib/siphash.c
+F: lib/test_siphash.c
+F: include/linux/siphash.h
+
TI DAVINCI MACHINE SUPPORT
M: Sekhar Nori <nsekhar@ti.com>
M: Kevin Hilman <khilman@kernel.org>
@@ -11927,6 +11969,7 @@ F: include/linux/swiotlb.h
SWITCHDEV
M: Jiri Pirko <jiri@resnulli.us>
+M: Ivan Vecera <ivecera@redhat.com>
L: netdev@vger.kernel.org
S: Supported
F: net/switchdev/
diff --git a/arch/Kconfig b/arch/Kconfig
index 2bbf5ba..f761142 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -222,6 +222,10 @@ config GENERIC_SMP_IDLE_THREAD
config GENERIC_IDLE_POLL_SETUP
bool
+# Select if arch has all set_memory_ro/rw/x/nx() functions in asm/cacheflush.h
+config ARCH_HAS_SET_MEMORY
+ bool
+
# Select if arch init_task initializer is different to init/init_task.c
config ARCH_INIT_TASK
bool
@@ -837,4 +841,7 @@ config STRICT_MODULE_RWX
and non-text memory will be made non-executable. This provides
protection against certain security exploits (e.g. writing to text)
+config ARCH_WANT_RELAX_ORDER
+ bool
+
source "kernel/gcov/Kconfig"
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 8748353..fda6a46 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -4,6 +4,7 @@ config ARM
select ARCH_CLOCKSOURCE_DATA
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_HAS_ELF_RANDOMIZE
+ select ARCH_HAS_SET_MEMORY
select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL
select ARCH_HAS_STRICT_MODULE_RWX if MMU
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 18d72a2..579cca4 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -782,7 +782,6 @@
cpdma_channels = <8>;
ale_entries = <1024>;
bd_ram_size = <0x2000>;
- no_bd_ram = <0>;
mac_control = <0x20>;
slaves = <2>;
active_slave = <0>;
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index 2df9e60..97fcaf4 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -670,7 +670,6 @@
cpdma_channels = <8>;
ale_entries = <1024>;
bd_ram_size = <0x2000>;
- no_bd_ram = <0>;
mac_control = <0x20>;
slaves = <2>;
active_slave = <0>;
diff --git a/arch/arm/boot/dts/dm814x.dtsi b/arch/arm/boot/dts/dm814x.dtsi
index 81b8cec..5986ea3 100644
--- a/arch/arm/boot/dts/dm814x.dtsi
+++ b/arch/arm/boot/dts/dm814x.dtsi
@@ -510,7 +510,6 @@
cpdma_channels = <8>;
ale_entries = <1024>;
bd_ram_size = <0x2000>;
- no_bd_ram = <0>;
mac_control = <0x20>;
slaves = <2>;
active_slave = <0>;
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 5ba1616..3e1f750 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -1709,7 +1709,6 @@
cpdma_channels = <8>;
ale_entries = <1024>;
bd_ram_size = <0x2000>;
- no_bd_ram = <0>;
mac_control = <0x20>;
slaves = <2>;
active_slave = <0>;
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index affffa7..78f7c91 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -253,7 +253,8 @@ CONFIG_R8169=y
CONFIG_SH_ETH=y
CONFIG_SMSC911X=y
CONFIG_STMMAC_ETH=y
-CONFIG_SYNOPSYS_DWC_ETH_QOS=y
+CONFIG_STMMAC_PLATFORM=y
+CONFIG_DWMAC_DWC_QOS_ETH=y
CONFIG_TI_CPSW=y
CONFIG_XILINX_EMACLITE=y
CONFIG_AT803X_PHY=y
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 0491076..83a7ec4 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -105,7 +105,7 @@ void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
/*****************************************************************************
* Ethernet switch
****************************************************************************/
-void __init orion5x_eth_switch_init(struct dsa_platform_data *d)
+void __init orion5x_eth_switch_init(struct dsa_chip_data *d)
{
orion_ge00_switch_init(d);
}
diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h
index 8a4115b..efeffc6 100644
--- a/arch/arm/mach-orion5x/common.h
+++ b/arch/arm/mach-orion5x/common.h
@@ -3,7 +3,7 @@
#include <linux/reboot.h>
-struct dsa_platform_data;
+struct dsa_chip_data;
struct mv643xx_eth_platform_data;
struct mv_sata_platform_data;
@@ -41,7 +41,7 @@ void orion5x_setup_wins(void);
void orion5x_ehci0_init(void);
void orion5x_ehci1_init(void);
void orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data);
-void orion5x_eth_switch_init(struct dsa_platform_data *d);
+void orion5x_eth_switch_init(struct dsa_chip_data *d);
void orion5x_i2c_init(void);
void orion5x_sata_init(struct mv_sata_platform_data *sata_data);
void orion5x_spi_init(void);
diff --git a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
index dccadf6..a3c1336 100644
--- a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
+++ b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
@@ -101,11 +101,6 @@ static struct dsa_chip_data rd88f5181l_fxo_switch_chip_data = {
.port_names[7] = "lan3",
};
-static struct dsa_platform_data __initdata rd88f5181l_fxo_switch_plat_data = {
- .nr_chips = 1,
- .chip = &rd88f5181l_fxo_switch_chip_data,
-};
-
static void __init rd88f5181l_fxo_init(void)
{
/*
@@ -120,7 +115,7 @@ static void __init rd88f5181l_fxo_init(void)
*/
orion5x_ehci0_init();
orion5x_eth_init(&rd88f5181l_fxo_eth_data);
- orion5x_eth_switch_init(&rd88f5181l_fxo_switch_plat_data);
+ orion5x_eth_switch_init(&rd88f5181l_fxo_switch_chip_data);
orion5x_uart0_init();
mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
diff --git a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
index affe5ec..252efe2 100644
--- a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
+++ b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
@@ -102,11 +102,6 @@ static struct dsa_chip_data rd88f5181l_ge_switch_chip_data = {
.port_names[7] = "lan3",
};
-static struct dsa_platform_data __initdata rd88f5181l_ge_switch_plat_data = {
- .nr_chips = 1,
- .chip = &rd88f5181l_ge_switch_chip_data,
-};
-
static struct i2c_board_info __initdata rd88f5181l_ge_i2c_rtc = {
I2C_BOARD_INFO("ds1338", 0x68),
};
@@ -125,7 +120,7 @@ static void __init rd88f5181l_ge_init(void)
*/
orion5x_ehci0_init();
orion5x_eth_init(&rd88f5181l_ge_eth_data);
- orion5x_eth_switch_init(&rd88f5181l_ge_switch_plat_data);
+ orion5x_eth_switch_init(&rd88f5181l_ge_switch_chip_data);
orion5x_i2c_init();
orion5x_uart0_init();
diff --git a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
index 67ee857..f4f1dbe 100644
--- a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
+++ b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
@@ -40,11 +40,6 @@ static struct dsa_chip_data rd88f6183ap_ge_switch_chip_data = {
.port_names[5] = "cpu",
};
-static struct dsa_platform_data __initdata rd88f6183ap_ge_switch_plat_data = {
- .nr_chips = 1,
- .chip = &rd88f6183ap_ge_switch_chip_data,
-};
-
static struct mtd_partition rd88f6183ap_ge_partitions[] = {
{
.name = "kernel",
@@ -89,7 +84,7 @@ static void __init rd88f6183ap_ge_init(void)
*/
orion5x_ehci0_init();
orion5x_eth_init(&rd88f6183ap_ge_eth_data);
- orion5x_eth_switch_init(&rd88f6183ap_ge_switch_plat_data);
+ orion5x_eth_switch_init(&rd88f6183ap_ge_switch_chip_data);
spi_register_board_info(rd88f6183ap_ge_spi_slave_info,
ARRAY_SIZE(rd88f6183ap_ge_spi_slave_info));
orion5x_spi_init();
diff --git a/arch/arm/mach-orion5x/wnr854t-setup.c b/arch/arm/mach-orion5x/wnr854t-setup.c
index 4dbcdbe..d162d4c 100644
--- a/arch/arm/mach-orion5x/wnr854t-setup.c
+++ b/arch/arm/mach-orion5x/wnr854t-setup.c
@@ -106,11 +106,6 @@ static struct dsa_chip_data wnr854t_switch_chip_data = {
.port_names[7] = "lan2",
};
-static struct dsa_platform_data __initdata wnr854t_switch_plat_data = {
- .nr_chips = 1,
- .chip = &wnr854t_switch_chip_data,
-};
-
static void __init wnr854t_init(void)
{
/*
@@ -124,7 +119,7 @@ static void __init wnr854t_init(void)
* Configure peripherals.
*/
orion5x_eth_init(&wnr854t_eth_data);
- orion5x_eth_switch_init(&wnr854t_switch_plat_data);
+ orion5x_eth_switch_init(&wnr854t_switch_chip_data);
orion5x_uart0_init();
mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
diff --git a/arch/arm/mach-orion5x/wrt350n-v2-setup.c b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
index a6a8c46..9250bb2 100644
--- a/arch/arm/mach-orion5x/wrt350n-v2-setup.c
+++ b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
@@ -191,11 +191,6 @@ static struct dsa_chip_data wrt350n_v2_switch_chip_data = {
.port_names[7] = "lan4",
};
-static struct dsa_platform_data __initdata wrt350n_v2_switch_plat_data = {
- .nr_chips = 1,
- .chip = &wrt350n_v2_switch_chip_data,
-};
-
static void __init wrt350n_v2_init(void)
{
/*
@@ -210,7 +205,7 @@ static void __init wrt350n_v2_init(void)
*/
orion5x_ehci0_init();
orion5x_eth_init(&wrt350n_v2_eth_data);
- orion5x_eth_switch_init(&wrt350n_v2_switch_plat_data);
+ orion5x_eth_switch_init(&wrt350n_v2_switch_chip_data);
orion5x_uart0_init();
mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index 272f49b..9255b6d 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -22,6 +22,7 @@
#include <linux/platform_data/dma-mv_xor.h>
#include <linux/platform_data/usb-ehci-orion.h>
#include <plat/common.h>
+#include <linux/phy.h>
/* Create a clkdev entry for a given device/clk */
void __init orion_clkdev_add(const char *con_id, const char *dev_id,
@@ -470,15 +471,27 @@ void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data,
/*****************************************************************************
* Ethernet switch
****************************************************************************/
-void __init orion_ge00_switch_init(struct dsa_platform_data *d)
+static __initconst const char *orion_ge00_mvmdio_bus_name = "orion-mii";
+static __initdata struct mdio_board_info
+ orion_ge00_switch_board_info;
+
+void __init orion_ge00_switch_init(struct dsa_chip_data *d)
{
- int i;
+ struct mdio_board_info *bd;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(d->port_names); i++)
+ if (!strcmp(d->port_names[i], "cpu"))
+ break;
- d->netdev = &orion_ge00.dev;
- for (i = 0; i < d->nr_chips; i++)
- d->chip[i].host_dev = &orion_ge_mvmdio.dev;
+ bd = &orion_ge00_switch_board_info;
+ bd->bus_id = orion_ge00_mvmdio_bus_name;
+ bd->mdio_addr = d->sw_addr;
+ d->netdev[i] = &orion_ge00.dev;
+ strcpy(bd->modalias, "mv88e6085");
+ bd->platform_data = d;
- platform_device_register_data(NULL, "dsa", 0, d, sizeof(d));
+ mdiobus_register_board_info(&orion_ge00_switch_board_info, 1);
}
/*****************************************************************************
diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h
index 9347f3c..3647d3b 100644
--- a/arch/arm/plat-orion/include/plat/common.h
+++ b/arch/arm/plat-orion/include/plat/common.h
@@ -12,7 +12,7 @@
#include <linux/mv643xx_eth.h>
#include <linux/platform_data/usb-ehci-orion.h>
-struct dsa_platform_data;
+struct dsa_chip_data;
struct mv_sata_platform_data;
void __init orion_uart0_init(void __iomem *membase,
@@ -57,7 +57,7 @@ void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data,
unsigned long mapbase,
unsigned long irq);
-void __init orion_ge00_switch_init(struct dsa_platform_data *d);
+void __init orion_ge00_switch_init(struct dsa_chip_data *d);
void __init orion_i2c_init(unsigned long mapbase,
unsigned long irq,
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 3bebdaf..916024d 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -12,6 +12,7 @@ config ARM64
select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAS_GIGANTIC_PAGE
select ARCH_HAS_KCOV
+ select ARCH_HAS_SET_MEMORY
select ARCH_HAS_SG_CHAIN
select ARCH_HAS_STRICT_KERNEL_RWX
select ARCH_HAS_STRICT_MODULE_RWX
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index b2fc97a..a785554 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -813,11 +813,6 @@ static inline void bpf_flush_icache(void *start, void *end)
flush_icache_range((unsigned long)start, (unsigned long)end);
}
-void bpf_jit_compile(struct bpf_prog *prog)
-{
- /* Nothing to do here. We support Internal BPF. */
-}
-
struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
{
struct bpf_prog *tmp, *orig_prog = prog;
@@ -903,7 +898,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
bpf_flush_icache(header, ctx.image + ctx.idx);
- set_memory_ro((unsigned long)header, header->pages);
+ bpf_jit_binary_lock_ro(header);
prog->bpf_func = (void *)ctx.image;
prog->jited = 1;
@@ -915,18 +910,3 @@ out:
tmp : orig_prog);
return prog;
}
-
-void bpf_jit_free(struct bpf_prog *prog)
-{
- unsigned long addr = (unsigned long)prog->bpf_func & PAGE_MASK;
- struct bpf_binary_header *header = (void *)addr;
-
- if (!prog->jited)
- goto free_filter;
-
- set_memory_rw(addr, header->pages);
- bpf_jit_binary_free(header);
-
-free_filter:
- bpf_prog_unlock_free(prog);
-}
diff --git a/arch/m68k/emu/nfeth.c b/arch/m68k/emu/nfeth.c
index fc4be02..e45ce42 100644
--- a/arch/m68k/emu/nfeth.c
+++ b/arch/m68k/emu/nfeth.c
@@ -124,7 +124,6 @@ static inline void recv_packet(struct net_device *dev)
skb->protocol = eth_type_trans(skb, dev);
netif_rx(skb);
- dev->last_rx = jiffies;
dev->stats.rx_packets++;
dev->stats.rx_bytes += pktlen;
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index 16083cf..3375e61d 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -1061,7 +1061,3 @@ static int __init octeon_publish_devices(void)
return of_platform_bus_probe(NULL, octeon_ids, NULL);
}
arch_initcall(octeon_publish_devices);
-
-MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Platform driver for Octeon SOC");
diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
index 73a5cf1..c34166e 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -961,8 +961,6 @@ common_load:
return 0;
}
-void bpf_jit_compile(struct bpf_prog *fp) { }
-
struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
{
u32 proglen;
@@ -1066,6 +1064,7 @@ out:
return fp;
}
+/* Overriding bpf_jit_free() as we don't set images read-only. */
void bpf_jit_free(struct bpf_prog *fp)
{
unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK;
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 53bb0e3..2ef031b 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -69,6 +69,7 @@ config S390
select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAS_GIGANTIC_PAGE
select ARCH_HAS_KCOV
+ select ARCH_HAS_SET_MEMORY
select ARCH_HAS_SG_CHAIN
select ARCH_HAS_STRICT_KERNEL_RWX
select ARCH_HAS_STRICT_MODULE_RWX
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 167b31b..b49c52a 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -1263,14 +1263,6 @@ static int bpf_jit_prog(struct bpf_jit *jit, struct bpf_prog *fp)
}
/*
- * Classic BPF function stub. BPF programs will be converted into
- * eBPF and then bpf_int_jit_compile() will be called.
- */
-void bpf_jit_compile(struct bpf_prog *fp)
-{
-}
-
-/*
* Compile eBPF program "fp"
*/
struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
@@ -1335,7 +1327,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
print_fn_code(jit.prg_buf, jit.size_prg);
}
if (jit.prg_buf) {
- set_memory_ro((unsigned long)header, header->pages);
+ bpf_jit_binary_lock_ro(header);
fp->bpf_func = (void *) jit.prg_buf;
fp->jited = 1;
}
@@ -1347,21 +1339,3 @@ out:
tmp : orig_fp);
return fp;
}
-
-/*
- * Free eBPF program
- */
-void bpf_jit_free(struct bpf_prog *fp)
-{
- unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK;
- struct bpf_binary_header *header = (void *)addr;
-
- if (!fp->jited)
- goto free_filter;
-
- set_memory_rw(addr, header->pages);
- bpf_jit_binary_free(header);
-
-free_filter:
- bpf_prog_unlock_free(fp);
-}
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index cf4034c..68ac5c7 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -44,6 +44,7 @@ config SPARC
select CPU_NO_EFFICIENT_FFS
select HAVE_ARCH_HARDENED_USERCOPY
select PROVE_LOCKING_SMALL if PROVE_LOCKING
+ select ARCH_WANT_RELAX_ORDER
config SPARC32
def_bool !64BIT
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 4ca8c41..f793820 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -53,6 +53,7 @@ config X86
select ARCH_HAS_KCOV if X86_64
select ARCH_HAS_MMIO_FLUSH
select ARCH_HAS_PMEM_API if X86_64
+ select ARCH_HAS_SET_MEMORY
select ARCH_HAS_SG_CHAIN
select ARCH_HAS_STRICT_KERNEL_RWX
select ARCH_HAS_STRICT_MODULE_RWX
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index bb660e5..32322ce 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -1067,13 +1067,13 @@ common_load:
ilen = prog - temp;
if (ilen > BPF_MAX_INSN_SIZE) {
- pr_err("bpf_jit_compile fatal insn size error\n");
+ pr_err("bpf_jit: fatal insn size error\n");
return -EFAULT;
}
if (image) {
if (unlikely(proglen + ilen > oldproglen)) {
- pr_err("bpf_jit_compile fatal error\n");
+ pr_err("bpf_jit: fatal error\n");
return -EFAULT;
}
memcpy(image + proglen, temp, ilen);
@@ -1085,10 +1085,6 @@ common_load:
return proglen;
}
-void bpf_jit_compile(struct bpf_prog *prog)
-{
-}
-
struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
{
struct bpf_binary_header *header = NULL;
@@ -1169,7 +1165,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
if (image) {
bpf_flush_icache(header, image + proglen);
- set_memory_ro((unsigned long)header, header->pages);
+ bpf_jit_binary_lock_ro(header);
prog->bpf_func = (void *)image;
prog->jited = 1;
} else {
@@ -1184,18 +1180,3 @@ out:
tmp : orig_prog);
return prog;
}
-
-void bpf_jit_free(struct bpf_prog *fp)
-{
- unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK;
- struct bpf_binary_header *header = (void *)addr;
-
- if (!fp->jited)
- goto free_filter;
-
- set_memory_rw(addr, header->pages);
- bpf_jit_binary_free(header);
-
-free_filter:
- bpf_prog_unlock_free(fp);
-}
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
index c53a9dd..623359e 100644
--- a/drivers/atm/eni.c
+++ b/drivers/atm/eni.c
@@ -1779,7 +1779,7 @@ static int eni_do_init(struct atm_dev *dev)
printk(")\n");
printk(KERN_NOTICE DEV_LABEL "(itf %d): %s,%s\n",dev->number,
eni_in(MID_RES_ID_MCON) & 0x200 ? "ASIC" : "FPGA",
- media_name[eni_in(MID_RES_ID_MCON) & DAUGTHER_ID]);
+ media_name[eni_in(MID_RES_ID_MCON) & DAUGHTER_ID]);
error = suni_init(dev);
if (error)
diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index 471ddfd..5ec1095 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -2132,12 +2132,8 @@ idt77252_init_est(struct vc_map *vc, int pcr)
est->interval = 2; /* XXX: make this configurable */
est->ewma_log = 2; /* XXX: make this configurable */
- init_timer(&est->timer);
- est->timer.data = (unsigned long)vc;
- est->timer.function = idt77252_est_timer;
-
- est->timer.expires = jiffies + ((HZ / 4) << est->interval);
- add_timer(&est->timer);
+ setup_timer(&est->timer, idt77252_est_timer, (unsigned long)vc);
+ mod_timer(&est->timer, jiffies + ((HZ / 4) << est->interval));
return est;
}
@@ -3638,9 +3634,7 @@ static int idt77252_init_one(struct pci_dev *pcidev,
spin_lock_init(&card->cmd_lock);
spin_lock_init(&card->tst_lock);
- init_timer(&card->tst_timer);
- card->tst_timer.data = (unsigned long)card;
- card->tst_timer.function = tst_timer;
+ setup_timer(&card->tst_timer, tst_timer, (unsigned long)card);
/* Do the I/O remapping... */
card->membase = ioremap(membase, 1024);
diff --git a/drivers/atm/midway.h b/drivers/atm/midway.h
index 432525a..d8bec0f 100644
--- a/drivers/atm/midway.h
+++ b/drivers/atm/midway.h
@@ -56,7 +56,7 @@
#define MID_CON_SUNI 0x00000040 /* 0: UTOPIA; 1: SUNI */
#define MID_CON_V6 0x00000020 /* 0: non-pipel UTOPIA (required iff
!CON_SUNI; 1: UTOPIA */
-#define DAUGTHER_ID 0x0000001f /* daugther board id */
+#define DAUGHTER_ID 0x0000001f /* daughter board id */
/*
* Interrupt Status Acknowledge, Interrupt Status & Interrupt Enable
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 2c1798e..12da68e 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -136,17 +136,17 @@ static bool bcma_is_core_needed_early(u16 core_id)
return false;
}
-static struct device_node *bcma_of_find_child_device(struct platform_device *parent,
+static struct device_node *bcma_of_find_child_device(struct device *parent,
struct bcma_device *core)
{
struct device_node *node;
u64 size;
const __be32 *reg;
- if (!parent || !parent->dev.of_node)
+ if (!parent->of_node)
return NULL;
- for_each_child_of_node(parent->dev.of_node, node) {
+ for_each_child_of_node(parent->of_node, node) {
reg = of_get_address(node, 0, &size, NULL);
if (!reg)
continue;
@@ -156,7 +156,7 @@ static struct device_node *bcma_of_find_child_device(struct platform_device *par
return NULL;
}
-static int bcma_of_irq_parse(struct platform_device *parent,
+static int bcma_of_irq_parse(struct device *parent,
struct bcma_device *core,
struct of_phandle_args *out_irq, int num)
{
@@ -169,7 +169,7 @@ static int bcma_of_irq_parse(struct platform_device *parent,
return rc;
}
- out_irq->np = parent->dev.of_node;
+ out_irq->np = parent->of_node;
out_irq->args_count = 1;
out_irq->args[0] = num;
@@ -177,13 +177,13 @@ static int bcma_of_irq_parse(struct platform_device *parent,
return of_irq_parse_raw(laddr, out_irq);
}
-static unsigned int bcma_of_get_irq(struct platform_device *parent,
+static unsigned int bcma_of_get_irq(struct device *parent,
struct bcma_device *core, int num)
{
struct of_phandle_args out_irq;
int ret;
- if (!IS_ENABLED(CONFIG_OF_IRQ) || !parent || !parent->dev.of_node)
+ if (!IS_ENABLED(CONFIG_OF_IRQ) || !parent->of_node)
return 0;
ret = bcma_of_irq_parse(parent, core, &out_irq, num);
@@ -196,7 +196,7 @@ static unsigned int bcma_of_get_irq(struct platform_device *parent,
return irq_create_of_mapping(&out_irq);
}
-static void bcma_of_fill_device(struct platform_device *parent,
+static void bcma_of_fill_device(struct device *parent,
struct bcma_device *core)
{
struct device_node *node;
@@ -227,7 +227,7 @@ unsigned int bcma_core_irq(struct bcma_device *core, int num)
return mips_irq <= 4 ? mips_irq + 2 : 0;
}
if (bus->host_pdev)
- return bcma_of_get_irq(bus->host_pdev, core, num);
+ return bcma_of_get_irq(&bus->host_pdev->dev, core, num);
return 0;
case BCMA_HOSTTYPE_SDIO:
return 0;
@@ -253,7 +253,8 @@ void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core)
if (IS_ENABLED(CONFIG_OF) && bus->host_pdev) {
core->dma_dev = &bus->host_pdev->dev;
core->dev.parent = &bus->host_pdev->dev;
- bcma_of_fill_device(bus->host_pdev, core);
+ if (core->dev.parent)
+ bcma_of_fill_device(core->dev.parent, core);
} else {
core->dev.dma_mask = &core->dev.coherent_dma_mask;
core->dma_dev = &core->dev;
@@ -633,8 +634,11 @@ static int bcma_device_probe(struct device *dev)
drv);
int err = 0;
+ get_device(dev);
if (adrv->probe)
err = adrv->probe(core);
+ if (err)
+ put_device(dev);
return err;
}
@@ -647,6 +651,7 @@ static int bcma_device_remove(struct device *dev)
if (adrv->remove)
adrv->remove(core);
+ put_device(dev);
return 0;
}
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 3cc9bff..c2c14a1 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -344,7 +344,7 @@ config BT_WILINK
config BT_QCOMSMD
tristate "Qualcomm SMD based HCI support"
- depends on QCOM_SMD && QCOM_WCNSS_CTRL
+ depends on (QCOM_SMD && QCOM_WCNSS_CTRL) || COMPILE_TEST
select BT_QCA
help
Qualcomm SMD based HCI driver.
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index fadba88..b793853 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -94,6 +94,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x04CA, 0x300f) },
{ USB_DEVICE(0x04CA, 0x3010) },
{ USB_DEVICE(0x04CA, 0x3014) },
+ { USB_DEVICE(0x04CA, 0x3018) },
{ USB_DEVICE(0x0930, 0x0219) },
{ USB_DEVICE(0x0930, 0x021c) },
{ USB_DEVICE(0x0930, 0x0220) },
@@ -162,6 +163,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index fdb4482..ba3dd2e 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -178,6 +178,9 @@ static int btbcm_reset(struct hci_dev *hdev)
}
kfree_skb(skb);
+ /* 100 msec delay for module to complete reset process */
+ msleep(100);
+
return 0;
}
diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index e6a85f0..c38cb5b 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c
@@ -502,7 +502,7 @@ static int btmrvl_download_cal_data(struct btmrvl_private *priv,
ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data,
BT_CAL_HDR_LEN + len);
if (ret)
- BT_ERR("Failed to download caibration data");
+ BT_ERR("Failed to download calibration data");
return 0;
}
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index d02f2c1..08e01f0 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -97,11 +97,11 @@ static int btmrvl_sdio_probe_of(struct device *dev,
cfg->irq_bt = irq_of_parse_and_map(card->plt_of_node, 0);
if (!cfg->irq_bt) {
dev_err(dev, "fail to parse irq_bt from device tree");
+ cfg->irq_bt = -1;
} else {
ret = devm_request_irq(dev, cfg->irq_bt,
btmrvl_wake_irq_bt,
- IRQF_TRIGGER_LOW,
- "bt_wake", cfg);
+ 0, "bt_wake", cfg);
if (ret) {
dev_err(dev,
"Failed to request irq_bt %d (%d)\n",
@@ -1624,7 +1624,7 @@ static int btmrvl_sdio_suspend(struct device *dev)
if (priv->adapter->hs_state != HS_ACTIVATED) {
if (btmrvl_enable_hs(priv)) {
- BT_ERR("HS not actived, suspend failed!");
+ BT_ERR("HS not activated, suspend failed!");
priv->adapter->is_suspending = false;
return -EBUSY;
}
@@ -1682,8 +1682,12 @@ static int btmrvl_sdio_resume(struct device *dev)
/* Disable platform specific wakeup interrupt */
if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0) {
disable_irq_wake(card->plt_wake_cfg->irq_bt);
- if (!card->plt_wake_cfg->wake_by_bt)
- disable_irq(card->plt_wake_cfg->irq_bt);
+ disable_irq(card->plt_wake_cfg->irq_bt);
+ if (card->plt_wake_cfg->wake_by_bt)
+ /* Undo our disable, since interrupt handler already
+ * did this.
+ */
+ enable_irq(card->plt_wake_cfg->irq_bt);
}
return 0;
diff --git a/drivers/bluetooth/btqcomsmd.c b/drivers/bluetooth/btqcomsmd.c
index 08c2c93..8d4868a 100644
--- a/drivers/bluetooth/btqcomsmd.c
+++ b/drivers/bluetooth/btqcomsmd.c
@@ -165,6 +165,7 @@ static const struct of_device_id btqcomsmd_of_match[] = {
{ .compatible = "qcom,wcnss-bt", },
{ },
};
+MODULE_DEVICE_TABLE(of, btqcomsmd_of_match);
static struct platform_driver btqcomsmd_driver = {
.probe = btqcomsmd_probe,
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 2f633df..1c8094e 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -24,6 +24,8 @@
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/firmware.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
@@ -130,6 +132,10 @@ static const struct usb_device_id btusb_table[] = {
/* Broadcom BCM43142A0 (Foxconn/Lenovo) */
{ USB_DEVICE(0x105b, 0xe065), .driver_info = BTUSB_BCM_PATCHRAM },
+ /* Broadcom BCM920703 (HTC Vive) */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_PATCHRAM },
+
/* Foxconn - Hon Hai */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
.driver_info = BTUSB_BCM_PATCHRAM },
@@ -154,6 +160,10 @@ static const struct usb_device_id btusb_table[] = {
{ USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
.driver_info = BTUSB_BCM_PATCHRAM },
+ /* Dell Computer - Broadcom based */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
+ .driver_info = BTUSB_BCM_PATCHRAM },
+
/* Toshiba Corp - Broadcom based */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
.driver_info = BTUSB_BCM_PATCHRAM },
@@ -209,6 +219,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
@@ -369,6 +380,7 @@ static const struct usb_device_id blacklist_table[] = {
#define BTUSB_BOOTING 9
#define BTUSB_RESET_RESUME 10
#define BTUSB_DIAG_RUNNING 11
+#define BTUSB_OOB_WAKE_ENABLED 12
struct btusb_data {
struct hci_dev *hdev;
@@ -416,6 +428,8 @@ struct btusb_data {
int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
int (*setup_on_usb)(struct hci_dev *hdev);
+
+ int oob_wake_irq; /* irq for out-of-band wake-on-bt */
};
static inline void btusb_free_frags(struct btusb_data *data)
@@ -2338,6 +2352,50 @@ static int btusb_shutdown_intel(struct hci_dev *hdev)
return 0;
}
+#ifdef CONFIG_PM
+/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
+static int marvell_config_oob_wake(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct device *dev = &data->udev->dev;
+ u16 pin, gap, opcode;
+ int ret;
+ u8 cmd[5];
+
+ /* Move on if no wakeup pin specified */
+ if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
+ of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
+ return 0;
+
+ /* Vendor specific command to configure a GPIO as wake-up pin */
+ opcode = hci_opcode_pack(0x3F, 0x59);
+ cmd[0] = opcode & 0xFF;
+ cmd[1] = opcode >> 8;
+ cmd[2] = 2; /* length of parameters that follow */
+ cmd[3] = pin;
+ cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */
+
+ skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
+ if (!skb) {
+ bt_dev_err(hdev, "%s: No memory\n", __func__);
+ return -ENOMEM;
+ }
+
+ memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd));
+ hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
+
+ ret = btusb_send_frame(hdev, skb);
+ if (ret) {
+ bt_dev_err(hdev, "%s: configuration failed\n", __func__);
+ kfree_skb(skb);
+ return ret;
+ }
+
+ return 0;
+}
+#endif
+
static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
const bdaddr_t *bdaddr)
{
@@ -2728,6 +2786,66 @@ static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
}
#endif
+#ifdef CONFIG_PM
+static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
+{
+ struct btusb_data *data = priv;
+
+ pm_wakeup_event(&data->udev->dev, 0);
+
+ /* Disable only if not already disabled (keep it balanced) */
+ if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
+ disable_irq_nosync(irq);
+ disable_irq_wake(irq);
+ }
+ return IRQ_HANDLED;
+}
+
+static const struct of_device_id btusb_match_table[] = {
+ { .compatible = "usb1286,204e" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, btusb_match_table);
+
+/* Use an oob wakeup pin? */
+static int btusb_config_oob_wake(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ struct device *dev = &data->udev->dev;
+ int irq, ret;
+
+ clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
+
+ if (!of_match_device(btusb_match_table, dev))
+ return 0;
+
+ /* Move on if no IRQ specified */
+ irq = of_irq_get_byname(dev->of_node, "wakeup");
+ if (irq <= 0) {
+ bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
+ return 0;
+ }
+
+ ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
+ 0, "OOB Wake-on-BT", data);
+ if (ret) {
+ bt_dev_err(hdev, "%s: IRQ request failed", __func__);
+ return ret;
+ }
+
+ ret = device_init_wakeup(dev, true);
+ if (ret) {
+ bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
+ return ret;
+ }
+
+ data->oob_wake_irq = irq;
+ disable_irq(irq);
+ bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
+ return 0;
+}
+#endif
+
static int btusb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
@@ -2849,6 +2967,18 @@ static int btusb_probe(struct usb_interface *intf,
hdev->send = btusb_send_frame;
hdev->notify = btusb_notify;
+#ifdef CONFIG_PM
+ err = btusb_config_oob_wake(hdev);
+ if (err)
+ goto out_free_dev;
+
+ /* Marvell devices may need a specific chip configuration */
+ if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
+ err = marvell_config_oob_wake(hdev);
+ if (err)
+ goto out_free_dev;
+ }
+#endif
if (id->driver_info & BTUSB_CW6622)
set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
@@ -2991,18 +3121,15 @@ static int btusb_probe(struct usb_interface *intf,
err = usb_set_interface(data->udev, 0, 0);
if (err < 0) {
BT_ERR("failed to set interface 0, alt 0 %d", err);
- hci_free_dev(hdev);
- return err;
+ goto out_free_dev;
}
}
if (data->isoc) {
err = usb_driver_claim_interface(&btusb_driver,
data->isoc, data);
- if (err < 0) {
- hci_free_dev(hdev);
- return err;
- }
+ if (err < 0)
+ goto out_free_dev;
}
#ifdef CONFIG_BT_HCIBTUSB_BCM
@@ -3016,14 +3143,16 @@ static int btusb_probe(struct usb_interface *intf,
#endif
err = hci_register_dev(hdev);
- if (err < 0) {
- hci_free_dev(hdev);
- return err;
- }
+ if (err < 0)
+ goto out_free_dev;
usb_set_intfdata(intf, data);
return 0;
+
+out_free_dev:
+ hci_free_dev(hdev);
+ return err;
}
static void btusb_disconnect(struct usb_interface *intf)
@@ -3062,6 +3191,9 @@ static void btusb_disconnect(struct usb_interface *intf)
usb_driver_release_interface(&btusb_driver, data->isoc);
}
+ if (data->oob_wake_irq)
+ device_init_wakeup(&data->udev->dev, false);
+
hci_free_dev(hdev);
}
@@ -3090,6 +3222,12 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
btusb_stop_traffic(data);
usb_kill_anchored_urbs(&data->tx_anchor);
+ if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
+ set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
+ enable_irq_wake(data->oob_wake_irq);
+ enable_irq(data->oob_wake_irq);
+ }
+
/* Optionally request a device reset on resume, but only when
* wakeups are disabled. If wakeups are enabled we assume the
* device will stay powered up throughout suspend.
@@ -3127,6 +3265,12 @@ static int btusb_resume(struct usb_interface *intf)
if (--data->suspend_count)
return 0;
+ /* Disable only if not already disabled (keep it balanced) */
+ if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
+ disable_irq(data->oob_wake_irq);
+ disable_irq_wake(data->oob_wake_irq);
+ }
+
if (!test_bit(HCI_RUNNING, &hdev->flags))
goto done;
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 8f6c23c..5262a20 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -618,14 +618,25 @@ unlock:
}
#endif
-static const struct acpi_gpio_params device_wakeup_gpios = { 0, 0, false };
-static const struct acpi_gpio_params shutdown_gpios = { 1, 0, false };
-static const struct acpi_gpio_params host_wakeup_gpios = { 2, 0, false };
-
-static const struct acpi_gpio_mapping acpi_bcm_default_gpios[] = {
- { "device-wakeup-gpios", &device_wakeup_gpios, 1 },
- { "shutdown-gpios", &shutdown_gpios, 1 },
- { "host-wakeup-gpios", &host_wakeup_gpios, 1 },
+static const struct acpi_gpio_params int_last_device_wakeup_gpios = { 0, 0, false };
+static const struct acpi_gpio_params int_last_shutdown_gpios = { 1, 0, false };
+static const struct acpi_gpio_params int_last_host_wakeup_gpios = { 2, 0, false };
+
+static const struct acpi_gpio_mapping acpi_bcm_int_last_gpios[] = {
+ { "device-wakeup-gpios", &int_last_device_wakeup_gpios, 1 },
+ { "shutdown-gpios", &int_last_shutdown_gpios, 1 },
+ { "host-wakeup-gpios", &int_last_host_wakeup_gpios, 1 },
+ { },
+};
+
+static const struct acpi_gpio_params int_first_host_wakeup_gpios = { 0, 0, false };
+static const struct acpi_gpio_params int_first_device_wakeup_gpios = { 1, 0, false };
+static const struct acpi_gpio_params int_first_shutdown_gpios = { 2, 0, false };
+
+static const struct acpi_gpio_mapping acpi_bcm_int_first_gpios[] = {
+ { "device-wakeup-gpios", &int_first_device_wakeup_gpios, 1 },
+ { "shutdown-gpios", &int_first_shutdown_gpios, 1 },
+ { "host-wakeup-gpios", &int_first_host_wakeup_gpios, 1 },
{ },
};
@@ -692,12 +703,19 @@ static int bcm_acpi_probe(struct bcm_device *dev)
struct platform_device *pdev = dev->pdev;
LIST_HEAD(resources);
const struct dmi_system_id *dmi_id;
+ const struct acpi_gpio_mapping *gpio_mapping = acpi_bcm_int_last_gpios;
+ const struct acpi_device_id *id;
int ret;
- /* Retrieve GPIO data */
dev->name = dev_name(&pdev->dev);
+
+ /* Retrieve GPIO data */
+ id = acpi_match_device(pdev->dev.driver->acpi_match_table, &pdev->dev);
+ if (id)
+ gpio_mapping = (const struct acpi_gpio_mapping *) id->driver_data;
+
ret = acpi_dev_add_driver_gpios(ACPI_COMPANION(&pdev->dev),
- acpi_bcm_default_gpios);
+ gpio_mapping);
if (ret)
return ret;
@@ -822,20 +840,22 @@ static const struct hci_uart_proto bcm_proto = {
#ifdef CONFIG_ACPI
static const struct acpi_device_id bcm_acpi_match[] = {
- { "BCM2E1A", 0 },
- { "BCM2E39", 0 },
- { "BCM2E3A", 0 },
- { "BCM2E3D", 0 },
- { "BCM2E3F", 0 },
- { "BCM2E40", 0 },
- { "BCM2E54", 0 },
- { "BCM2E55", 0 },
- { "BCM2E64", 0 },
- { "BCM2E65", 0 },
- { "BCM2E67", 0 },
- { "BCM2E71", 0 },
- { "BCM2E7B", 0 },
- { "BCM2E7C", 0 },
+ { "BCM2E1A", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E39", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E3A", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E3D", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E3F", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E40", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E54", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E55", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E64", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E65", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E67", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E71", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E7B", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E7C", (kernel_ulong_t)&acpi_bcm_int_last_gpios },
+ { "BCM2E95", (kernel_ulong_t)&acpi_bcm_int_first_gpios },
+ { "BCM2E96", (kernel_ulong_t)&acpi_bcm_int_first_gpios },
{ },
};
MODULE_DEVICE_TABLE(acpi, bcm_acpi_match);
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 05c2307..f242dfd 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -335,7 +335,7 @@ static void hci_ibs_tx_idle_timeout(unsigned long arg)
/* Fall through */
default:
- BT_ERR("Spurrious timeout tx state %d", qca->tx_ibs_state);
+ BT_ERR("Spurious timeout tx state %d", qca->tx_ibs_state);
break;
}
@@ -373,7 +373,7 @@ static void hci_ibs_wake_retrans_timeout(unsigned long arg)
/* Fall through */
default:
- BT_ERR("Spurrious timeout tx state %d", qca->tx_ibs_state);
+ BT_ERR("Spurious timeout tx state %d", qca->tx_ibs_state);
break;
}
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 3e70a9c..4eb5a80 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2467,14 +2467,12 @@ static int iboe_tos_to_sl(struct net_device *ndev, int tos)
struct net_device *dev;
prio = rt_tos2priority(tos);
- dev = ndev->priv_flags & IFF_802_1Q_VLAN ?
- vlan_dev_real_dev(ndev) : ndev;
-
+ dev = is_vlan_dev(ndev) ? vlan_dev_real_dev(ndev) : ndev;
if (dev->num_tc)
return netdev_get_prio_tc_map(dev, prio);
#if IS_ENABLED(CONFIG_VLAN_8021Q)
- if (ndev->priv_flags & IFF_802_1Q_VLAN)
+ if (is_vlan_dev(ndev))
return (vlan_dev_get_egress_qos_mask(ndev, prio) &
VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
#endif
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
index b3ef47c..31803b3 100644
--- a/drivers/infiniband/hw/mlx5/cq.c
+++ b/drivers/infiniband/hw/mlx5/cq.c
@@ -689,7 +689,7 @@ int mlx5_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
{
struct mlx5_core_dev *mdev = to_mdev(ibcq->device)->mdev;
struct mlx5_ib_cq *cq = to_mcq(ibcq);
- void __iomem *uar_page = mdev->priv.uuari.uars[0].map;
+ void __iomem *uar_page = mdev->priv.uar->map;
unsigned long irq_flags;
int ret = 0;
@@ -704,9 +704,7 @@ int mlx5_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
mlx5_cq_arm(&cq->mcq,
(flags & IB_CQ_SOLICITED_MASK) == IB_CQ_SOLICITED ?
MLX5_CQ_DB_REQ_NOT_SOL : MLX5_CQ_DB_REQ_NOT,
- uar_page,
- MLX5_GET_DOORBELL_LOCK(&mdev->priv.cq_uar_lock),
- to_mcq(ibcq)->mcq.cons_index);
+ uar_page, to_mcq(ibcq)->mcq.cons_index);
return ret;
}
@@ -790,7 +788,7 @@ static int create_cq_user(struct mlx5_ib_dev *dev, struct ib_udata *udata,
MLX5_SET(cqc, cqc, log_page_size,
page_shift - MLX5_ADAPTER_PAGE_SHIFT);
- *index = to_mucontext(context)->uuari.uars[0].index;
+ *index = to_mucontext(context)->bfregi.sys_pages[0];
if (ucmd.cqe_comp_en == 1) {
if (unlikely((*cqe_size != 64) ||
@@ -886,7 +884,7 @@ static int create_cq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq,
MLX5_SET(cqc, cqc, log_page_size,
cq->buf.buf.page_shift - MLX5_ADAPTER_PAGE_SHIFT);
- *index = dev->mdev->priv.uuari.uars[0].index;
+ *index = dev->mdev->priv.uar->index;
return 0;
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index d566f67..9d85353 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -53,6 +53,7 @@
#include <linux/in.h>
#include <linux/etherdevice.h>
#include <linux/mlx5/fs.h>
+#include <linux/mlx5/vport.h>
#include "mlx5_ib.h"
#define DRIVER_NAME "mlx5_ib"
@@ -672,17 +673,6 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
1 << MLX5_CAP_GEN(dev->mdev, log_max_rq);
}
- if (field_avail(typeof(resp), mlx5_ib_support_multi_pkt_send_wqes,
- uhw->outlen)) {
- resp.mlx5_ib_support_multi_pkt_send_wqes =
- MLX5_CAP_ETH(mdev, multi_pkt_send_wqe);
- resp.response_length +=
- sizeof(resp.mlx5_ib_support_multi_pkt_send_wqes);
- }
-
- if (field_avail(typeof(resp), reserved, uhw->outlen))
- resp.response_length += sizeof(resp.reserved);
-
if (field_avail(typeof(resp), cqe_comp_caps, uhw->outlen)) {
resp.cqe_comp_caps.max_num =
MLX5_CAP_GEN(dev->mdev, cqe_compression) ?
@@ -706,6 +696,17 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
resp.response_length += sizeof(resp.packet_pacing_caps);
}
+ if (field_avail(typeof(resp), mlx5_ib_support_multi_pkt_send_wqes,
+ uhw->outlen)) {
+ resp.mlx5_ib_support_multi_pkt_send_wqes =
+ MLX5_CAP_ETH(mdev, multi_pkt_send_wqe);
+ resp.response_length +=
+ sizeof(resp.mlx5_ib_support_multi_pkt_send_wqes);
+ }
+
+ if (field_avail(typeof(resp), reserved, uhw->outlen))
+ resp.response_length += sizeof(resp.reserved);
+
if (uhw->outlen) {
err = ib_copy_to_udata(uhw, &resp, resp.response_length);
@@ -992,6 +993,86 @@ out:
return err;
}
+static void print_lib_caps(struct mlx5_ib_dev *dev, u64 caps)
+{
+ mlx5_ib_dbg(dev, "MLX5_LIB_CAP_4K_UAR = %s\n",
+ caps & MLX5_LIB_CAP_4K_UAR ? "y" : "n");
+}
+
+static int calc_total_bfregs(struct mlx5_ib_dev *dev, bool lib_uar_4k,
+ struct mlx5_ib_alloc_ucontext_req_v2 *req,
+ u32 *num_sys_pages)
+{
+ int uars_per_sys_page;
+ int bfregs_per_sys_page;
+ int ref_bfregs = req->total_num_bfregs;
+
+ if (req->total_num_bfregs == 0)
+ return -EINVAL;
+
+ BUILD_BUG_ON(MLX5_MAX_BFREGS % MLX5_NON_FP_BFREGS_IN_PAGE);
+ BUILD_BUG_ON(MLX5_MAX_BFREGS < MLX5_NON_FP_BFREGS_IN_PAGE);
+
+ if (req->total_num_bfregs > MLX5_MAX_BFREGS)
+ return -ENOMEM;
+
+ uars_per_sys_page = get_uars_per_sys_page(dev, lib_uar_4k);
+ bfregs_per_sys_page = uars_per_sys_page * MLX5_NON_FP_BFREGS_PER_UAR;
+ req->total_num_bfregs = ALIGN(req->total_num_bfregs, bfregs_per_sys_page);
+ *num_sys_pages = req->total_num_bfregs / bfregs_per_sys_page;
+
+ if (req->num_low_latency_bfregs > req->total_num_bfregs - 1)
+ return -EINVAL;
+
+ mlx5_ib_dbg(dev, "uar_4k: fw support %s, lib support %s, user requested %d bfregs, alloated %d, using %d sys pages\n",
+ MLX5_CAP_GEN(dev->mdev, uar_4k) ? "yes" : "no",
+ lib_uar_4k ? "yes" : "no", ref_bfregs,
+ req->total_num_bfregs, *num_sys_pages);
+
+ return 0;
+}
+
+static int allocate_uars(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context)
+{
+ struct mlx5_bfreg_info *bfregi;
+ int err;
+ int i;
+
+ bfregi = &context->bfregi;
+ for (i = 0; i < bfregi->num_sys_pages; i++) {
+ err = mlx5_cmd_alloc_uar(dev->mdev, &bfregi->sys_pages[i]);
+ if (err)
+ goto error;
+
+ mlx5_ib_dbg(dev, "allocated uar %d\n", bfregi->sys_pages[i]);
+ }
+ return 0;
+
+error:
+ for (--i; i >= 0; i--)
+ if (mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i]))
+ mlx5_ib_warn(dev, "failed to free uar %d\n", i);
+
+ return err;
+}
+
+static int deallocate_uars(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context)
+{
+ struct mlx5_bfreg_info *bfregi;
+ int err;
+ int i;
+
+ bfregi = &context->bfregi;
+ for (i = 0; i < bfregi->num_sys_pages; i++) {
+ err = mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i]);
+ if (err) {
+ mlx5_ib_warn(dev, "failed to free uar %d\n", i);
+ return err;
+ }
+ }
+ return 0;
+}
+
static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
struct ib_udata *udata)
{
@@ -999,17 +1080,13 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
struct mlx5_ib_alloc_ucontext_req_v2 req = {};
struct mlx5_ib_alloc_ucontext_resp resp = {};
struct mlx5_ib_ucontext *context;
- struct mlx5_uuar_info *uuari;
- struct mlx5_uar *uars;
- int gross_uuars;
- int num_uars;
+ struct mlx5_bfreg_info *bfregi;
int ver;
- int uuarn;
int err;
- int i;
size_t reqlen;
size_t min_req_v2 = offsetof(struct mlx5_ib_alloc_ucontext_req_v2,
max_cqe_version);
+ bool lib_uar_4k;
if (!dev->ib_active)
return ERR_PTR(-EAGAIN);
@@ -1032,27 +1109,14 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
if (req.flags)
return ERR_PTR(-EINVAL);
- if (req.total_num_uuars > MLX5_MAX_UUARS)
- return ERR_PTR(-ENOMEM);
-
- if (req.total_num_uuars == 0)
- return ERR_PTR(-EINVAL);
-
if (req.comp_mask || req.reserved0 || req.reserved1 || req.reserved2)
return ERR_PTR(-EOPNOTSUPP);
- if (reqlen > sizeof(req) &&
- !ib_is_udata_cleared(udata, sizeof(req),
- reqlen - sizeof(req)))
- return ERR_PTR(-EOPNOTSUPP);
-
- req.total_num_uuars = ALIGN(req.total_num_uuars,
- MLX5_NON_FP_BF_REGS_PER_PAGE);
- if (req.num_low_latency_uuars > req.total_num_uuars - 1)
+ req.total_num_bfregs = ALIGN(req.total_num_bfregs,
+ MLX5_NON_FP_BFREGS_PER_UAR);
+ if (req.num_low_latency_bfregs > req.total_num_bfregs - 1)
return ERR_PTR(-EINVAL);
- num_uars = req.total_num_uuars / MLX5_NON_FP_BF_REGS_PER_PAGE;
- gross_uuars = num_uars * MLX5_BF_REGS_PER_PAGE;
resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp);
if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf))
resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size);
@@ -1065,6 +1129,10 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
resp.cqe_version = min_t(__u8,
(__u8)MLX5_CAP_GEN(dev->mdev, cqe_version),
req.max_cqe_version);
+ resp.log_uar_size = MLX5_CAP_GEN(dev->mdev, uar_4k) ?
+ MLX5_ADAPTER_PAGE_SHIFT : PAGE_SHIFT;
+ resp.num_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ?
+ MLX5_CAP_GEN(dev->mdev, num_of_uars_per_page) : 1;
resp.response_length = min(offsetof(typeof(resp), response_length) +
sizeof(resp.response_length), udata->outlen);
@@ -1072,58 +1140,58 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
if (!context)
return ERR_PTR(-ENOMEM);
- uuari = &context->uuari;
- mutex_init(&uuari->lock);
- uars = kcalloc(num_uars, sizeof(*uars), GFP_KERNEL);
- if (!uars) {
- err = -ENOMEM;
+ lib_uar_4k = req.lib_caps & MLX5_LIB_CAP_4K_UAR;
+ bfregi = &context->bfregi;
+
+ /* updates req->total_num_bfregs */
+ err = calc_total_bfregs(dev, lib_uar_4k, &req, &bfregi->num_sys_pages);
+ if (err)
goto out_ctx;
- }
- uuari->bitmap = kcalloc(BITS_TO_LONGS(gross_uuars),
- sizeof(*uuari->bitmap),
+ mutex_init(&bfregi->lock);
+ bfregi->lib_uar_4k = lib_uar_4k;
+ bfregi->count = kcalloc(req.total_num_bfregs, sizeof(*bfregi->count),
GFP_KERNEL);
- if (!uuari->bitmap) {
+ if (!bfregi->count) {
err = -ENOMEM;
- goto out_uar_ctx;
- }
- /*
- * clear all fast path uuars
- */
- for (i = 0; i < gross_uuars; i++) {
- uuarn = i & 3;
- if (uuarn == 2 || uuarn == 3)
- set_bit(i, uuari->bitmap);
+ goto out_ctx;
}
- uuari->count = kcalloc(gross_uuars, sizeof(*uuari->count), GFP_KERNEL);
- if (!uuari->count) {
+ bfregi->sys_pages = kcalloc(bfregi->num_sys_pages,
+ sizeof(*bfregi->sys_pages),
+ GFP_KERNEL);
+ if (!bfregi->sys_pages) {
err = -ENOMEM;
- goto out_bitmap;
+ goto out_count;
}
- for (i = 0; i < num_uars; i++) {
- err = mlx5_cmd_alloc_uar(dev->mdev, &uars[i].index);
- if (err)
- goto out_count;
- }
+ err = allocate_uars(dev, context);
+ if (err)
+ goto out_sys_pages;
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
context->ibucontext.invalidate_range = &mlx5_ib_invalidate_range;
#endif
+ context->upd_xlt_page = __get_free_page(GFP_KERNEL);
+ if (!context->upd_xlt_page) {
+ err = -ENOMEM;
+ goto out_uars;
+ }
+ mutex_init(&context->upd_xlt_page_mutex);
+
if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) {
err = mlx5_core_alloc_transport_domain(dev->mdev,
&context->tdn);
if (err)
- goto out_uars;
+ goto out_page;
}
INIT_LIST_HEAD(&context->vma_private_list);
INIT_LIST_HEAD(&context->db_page_list);
mutex_init(&context->db_page_mutex);
- resp.tot_uuars = req.total_num_uuars;
+ resp.tot_bfregs = req.total_num_bfregs;
resp.num_ports = MLX5_CAP_GEN(dev->mdev, num_ports);
if (field_avail(typeof(resp), cqe_version, udata->outlen))
@@ -1135,32 +1203,46 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
resp.response_length += sizeof(resp.cmds_supp_uhw);
}
+ if (field_avail(typeof(resp), eth_min_inline, udata->outlen)) {
+ if (mlx5_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET) {
+ mlx5_query_min_inline(dev->mdev, &resp.eth_min_inline);
+ resp.eth_min_inline++;
+ }
+ resp.response_length += sizeof(resp.eth_min_inline);
+ }
+
/*
* We don't want to expose information from the PCI bar that is located
* after 4096 bytes, so if the arch only supports larger pages, let's
* pretend we don't support reading the HCA's core clock. This is also
* forced by mmap function.
*/
- if (PAGE_SIZE <= 4096 &&
- field_avail(typeof(resp), hca_core_clock_offset, udata->outlen)) {
- resp.comp_mask |=
- MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET;
- resp.hca_core_clock_offset =
- offsetof(struct mlx5_init_seg, internal_timer_h) %
- PAGE_SIZE;
+ if (field_avail(typeof(resp), hca_core_clock_offset, udata->outlen)) {
+ if (PAGE_SIZE <= 4096) {
+ resp.comp_mask |=
+ MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET;
+ resp.hca_core_clock_offset =
+ offsetof(struct mlx5_init_seg, internal_timer_h) % PAGE_SIZE;
+ }
resp.response_length += sizeof(resp.hca_core_clock_offset) +
sizeof(resp.reserved2);
}
+ if (field_avail(typeof(resp), log_uar_size, udata->outlen))
+ resp.response_length += sizeof(resp.log_uar_size);
+
+ if (field_avail(typeof(resp), num_uars_per_page, udata->outlen))
+ resp.response_length += sizeof(resp.num_uars_per_page);
+
err = ib_copy_to_udata(udata, &resp, resp.response_length);
if (err)
goto out_td;
- uuari->ver = ver;
- uuari->num_low_latency_uuars = req.num_low_latency_uuars;
- uuari->uars = uars;
- uuari->num_uars = num_uars;
+ bfregi->ver = ver;
+ bfregi->num_low_latency_bfregs = req.num_low_latency_bfregs;
context->cqe_version = resp.cqe_version;
+ context->lib_caps = req.lib_caps;
+ print_lib_caps(dev, context->lib_caps);
return &context->ibucontext;
@@ -1168,20 +1250,21 @@ out_td:
if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain))
mlx5_core_dealloc_transport_domain(dev->mdev, context->tdn);
+out_page:
+ free_page(context->upd_xlt_page);
+
out_uars:
- for (i--; i >= 0; i--)
- mlx5_cmd_free_uar(dev->mdev, uars[i].index);
-out_count:
- kfree(uuari->count);
+ deallocate_uars(dev, context);
-out_bitmap:
- kfree(uuari->bitmap);
+out_sys_pages:
+ kfree(bfregi->sys_pages);
-out_uar_ctx:
- kfree(uars);
+out_count:
+ kfree(bfregi->count);
out_ctx:
kfree(context);
+
return ERR_PTR(err);
}
@@ -1189,28 +1272,31 @@ static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
{
struct mlx5_ib_ucontext *context = to_mucontext(ibcontext);
struct mlx5_ib_dev *dev = to_mdev(ibcontext->device);
- struct mlx5_uuar_info *uuari = &context->uuari;
- int i;
+ struct mlx5_bfreg_info *bfregi;
+ bfregi = &context->bfregi;
if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain))
mlx5_core_dealloc_transport_domain(dev->mdev, context->tdn);
- for (i = 0; i < uuari->num_uars; i++) {
- if (mlx5_cmd_free_uar(dev->mdev, uuari->uars[i].index))
- mlx5_ib_warn(dev, "failed to free UAR 0x%x\n", uuari->uars[i].index);
- }
-
- kfree(uuari->count);
- kfree(uuari->bitmap);
- kfree(uuari->uars);
+ free_page(context->upd_xlt_page);
+ deallocate_uars(dev, context);
+ kfree(bfregi->sys_pages);
+ kfree(bfregi->count);
kfree(context);
return 0;
}
-static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev, int index)
+static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev,
+ struct mlx5_bfreg_info *bfregi,
+ int idx)
{
- return (pci_resource_start(dev->mdev->pdev, 0) >> PAGE_SHIFT) + index;
+ int fw_uars_per_page;
+
+ fw_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? MLX5_UARS_IN_PAGE : 1;
+
+ return (pci_resource_start(dev->mdev->pdev, 0) >> PAGE_SHIFT) +
+ bfregi->sys_pages[idx] / fw_uars_per_page;
}
static int get_command(unsigned long offset)
@@ -1365,11 +1451,23 @@ static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd,
struct vm_area_struct *vma,
struct mlx5_ib_ucontext *context)
{
- struct mlx5_uuar_info *uuari = &context->uuari;
+ struct mlx5_bfreg_info *bfregi = &context->bfregi;
int err;
unsigned long idx;
phys_addr_t pfn, pa;
pgprot_t prot;
+ int uars_per_page;
+
+ if (vma->vm_end - vma->vm_start != PAGE_SIZE)
+ return -EINVAL;
+
+ uars_per_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k);
+ idx = get_index(vma->vm_pgoff);
+ if (idx % uars_per_page ||
+ idx * uars_per_page >= bfregi->num_sys_pages) {
+ mlx5_ib_warn(dev, "invalid uar index %lu\n", idx);
+ return -EINVAL;
+ }
switch (cmd) {
case MLX5_IB_MMAP_WC_PAGE:
@@ -1392,14 +1490,7 @@ static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd,
return -EINVAL;
}
- if (vma->vm_end - vma->vm_start != PAGE_SIZE)
- return -EINVAL;
-
- idx = get_index(vma->vm_pgoff);
- if (idx >= uuari->num_uars)
- return -EINVAL;
-
- pfn = uar_index2pfn(dev, uuari->uars[idx].index);
+ pfn = uar_index2pfn(dev, bfregi, idx);
mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn %pa\n", idx, &pfn);
vma->vm_page_prot = prot;
@@ -1622,9 +1713,9 @@ static int parse_flow_attr(u32 *match_c, u32 *match_v,
if (ib_spec->eth.mask.vlan_tag) {
MLX5_SET(fte_match_set_lyr_2_4, headers_c,
- vlan_tag, 1);
+ cvlan_tag, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v,
- vlan_tag, 1);
+ cvlan_tag, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_c,
first_vid, ntohs(ib_spec->eth.mask.vlan_tag));
@@ -3060,8 +3151,6 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
if (mlx5_use_mad_ifc(dev))
get_ext_port_caps(dev);
- MLX5_INIT_DOORBELL_LOCK(&dev->uar_lock);
-
if (!mlx5_lag_is_active(mdev))
name = "mlx5_%d";
else
@@ -3237,9 +3326,21 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
if (err)
goto err_odp;
+ dev->mdev->priv.uar = mlx5_get_uars_page(dev->mdev);
+ if (!dev->mdev->priv.uar)
+ goto err_q_cnt;
+
+ err = mlx5_alloc_bfreg(dev->mdev, &dev->bfreg, false, false);
+ if (err)
+ goto err_uar_page;
+
+ err = mlx5_alloc_bfreg(dev->mdev, &dev->fp_bfreg, false, true);
+ if (err)
+ goto err_bfreg;
+
err = ib_register_device(&dev->ib_dev, NULL);
if (err)
- goto err_q_cnt;
+ goto err_fp_bfreg;
err = create_umr_res(dev);
if (err)
@@ -3262,6 +3363,15 @@ err_umrc:
err_dev:
ib_unregister_device(&dev->ib_dev);
+err_fp_bfreg:
+ mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg);
+
+err_bfreg:
+ mlx5_free_bfreg(dev->mdev, &dev->bfreg);
+
+err_uar_page:
+ mlx5_put_uars_page(dev->mdev, dev->mdev->priv.uar);
+
err_q_cnt:
mlx5_ib_dealloc_q_counters(dev);
@@ -3293,6 +3403,9 @@ static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context)
mlx5_remove_netdev_notifier(dev);
ib_unregister_device(&dev->ib_dev);
+ mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg);
+ mlx5_free_bfreg(dev->mdev, &dev->bfreg);
+ mlx5_put_uars_page(dev->mdev, mdev->priv.uar);
mlx5_ib_dealloc_q_counters(dev);
destroy_umrc_res(dev);
mlx5_ib_odp_remove_one(dev);
@@ -3307,6 +3420,9 @@ static struct mlx5_interface mlx5_ib_interface = {
.add = mlx5_ib_add,
.remove = mlx5_ib_remove,
.event = mlx5_ib_event,
+#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
+ .pfault = mlx5_ib_pfault,
+#endif
.protocol = MLX5_INTERFACE_PROTOCOL_IB,
};
@@ -3317,25 +3433,14 @@ static int __init mlx5_ib_init(void)
if (deprecated_prof_sel != 2)
pr_warn("prof_sel is deprecated for mlx5_ib, set it for mlx5_core\n");
- err = mlx5_ib_odp_init();
- if (err)
- return err;
-
err = mlx5_register_interface(&mlx5_ib_interface);
- if (err)
- goto clean_odp;
-
- return err;
-clean_odp:
- mlx5_ib_odp_cleanup();
return err;
}
static void __exit mlx5_ib_cleanup(void)
{
mlx5_unregister_interface(&mlx5_ib_interface);
- mlx5_ib_odp_cleanup();
}
module_init(mlx5_ib_init);
diff --git a/drivers/infiniband/hw/mlx5/mem.c b/drivers/infiniband/hw/mlx5/mem.c
index 6851357..778d8a1 100644
--- a/drivers/infiniband/hw/mlx5/mem.c
+++ b/drivers/infiniband/hw/mlx5/mem.c
@@ -159,7 +159,7 @@ void __mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
unsigned long umem_page_shift = ilog2(umem->page_size);
int shift = page_shift - umem_page_shift;
int mask = (1 << shift) - 1;
- int i, k;
+ int i, k, idx;
u64 cur = 0;
u64 base;
int len;
@@ -185,18 +185,36 @@ void __mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
for_each_sg(umem->sg_head.sgl, sg, umem->nmap, entry) {
len = sg_dma_len(sg) >> umem_page_shift;
base = sg_dma_address(sg);
- for (k = 0; k < len; k++) {
+
+ /* Skip elements below offset */
+ if (i + len < offset << shift) {
+ i += len;
+ continue;
+ }
+
+ /* Skip pages below offset */
+ if (i < offset << shift) {
+ k = (offset << shift) - i;
+ i = offset << shift;
+ } else {
+ k = 0;
+ }
+
+ for (; k < len; k++) {
if (!(i & mask)) {
cur = base + (k << umem_page_shift);
cur |= access_flags;
+ idx = (i >> shift) - offset;
- pas[i >> shift] = cpu_to_be64(cur);
+ pas[idx] = cpu_to_be64(cur);
mlx5_ib_dbg(dev, "pas[%d] 0x%llx\n",
- i >> shift, be64_to_cpu(pas[i >> shift]));
- } else
- mlx5_ib_dbg(dev, "=====> 0x%llx\n",
- base + (k << umem_page_shift));
+ i >> shift, be64_to_cpu(pas[idx]));
+ }
i++;
+
+ /* Stop after num_pages reached */
+ if (i >> shift >= offset + num_pages)
+ return;
}
}
}
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 6c6057e..e1a4b93d 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -90,7 +90,6 @@ enum mlx5_ib_latency_class {
MLX5_IB_LATENCY_CLASS_LOW,
MLX5_IB_LATENCY_CLASS_MEDIUM,
MLX5_IB_LATENCY_CLASS_HIGH,
- MLX5_IB_LATENCY_CLASS_FAST_PATH
};
enum mlx5_ib_mad_ifc_flags {
@@ -100,7 +99,7 @@ enum mlx5_ib_mad_ifc_flags {
};
enum {
- MLX5_CROSS_CHANNEL_UUAR = 0,
+ MLX5_CROSS_CHANNEL_BFREG = 0,
};
enum {
@@ -120,11 +119,16 @@ struct mlx5_ib_ucontext {
/* protect doorbell record alloc/free
*/
struct mutex db_page_mutex;
- struct mlx5_uuar_info uuari;
+ struct mlx5_bfreg_info bfregi;
u8 cqe_version;
/* Transport Domain number */
u32 tdn;
struct list_head vma_private_list;
+
+ unsigned long upd_xlt_page;
+ /* protect ODP/KSM */
+ struct mutex upd_xlt_page_mutex;
+ u64 lib_caps;
};
static inline struct mlx5_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
@@ -174,13 +178,12 @@ struct mlx5_ib_flow_db {
* enum ib_send_flags and enum ib_qp_type for low-level driver
*/
-#define MLX5_IB_SEND_UMR_UNREG IB_SEND_RESERVED_START
-#define MLX5_IB_SEND_UMR_FAIL_IF_FREE (IB_SEND_RESERVED_START << 1)
-#define MLX5_IB_SEND_UMR_UPDATE_MTT (IB_SEND_RESERVED_START << 2)
-
-#define MLX5_IB_SEND_UMR_UPDATE_TRANSLATION (IB_SEND_RESERVED_START << 3)
-#define MLX5_IB_SEND_UMR_UPDATE_PD (IB_SEND_RESERVED_START << 4)
-#define MLX5_IB_SEND_UMR_UPDATE_ACCESS IB_SEND_RESERVED_END
+#define MLX5_IB_SEND_UMR_ENABLE_MR (IB_SEND_RESERVED_START << 0)
+#define MLX5_IB_SEND_UMR_DISABLE_MR (IB_SEND_RESERVED_START << 1)
+#define MLX5_IB_SEND_UMR_FAIL_IF_FREE (IB_SEND_RESERVED_START << 2)
+#define MLX5_IB_SEND_UMR_UPDATE_XLT (IB_SEND_RESERVED_START << 3)
+#define MLX5_IB_SEND_UMR_UPDATE_TRANSLATION (IB_SEND_RESERVED_START << 4)
+#define MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS IB_SEND_RESERVED_END
#define MLX5_IB_QPT_REG_UMR IB_QPT_RESERVED1
/*
@@ -190,6 +193,16 @@ struct mlx5_ib_flow_db {
#define MLX5_IB_QPT_HW_GSI IB_QPT_RESERVED2
#define MLX5_IB_WR_UMR IB_WR_RESERVED1
+#define MLX5_IB_UMR_OCTOWORD 16
+#define MLX5_IB_UMR_XLT_ALIGNMENT 64
+
+#define MLX5_IB_UPD_XLT_ZAP BIT(0)
+#define MLX5_IB_UPD_XLT_ENABLE BIT(1)
+#define MLX5_IB_UPD_XLT_ATOMIC BIT(2)
+#define MLX5_IB_UPD_XLT_ADDR BIT(3)
+#define MLX5_IB_UPD_XLT_PD BIT(4)
+#define MLX5_IB_UPD_XLT_ACCESS BIT(5)
+
/* Private QP creation flags to be passed in ib_qp_init_attr.create_flags.
*
* These flags are intended for internal use by the mlx5_ib driver, and they
@@ -264,29 +277,6 @@ struct mlx5_ib_rwq_ind_table {
u32 rqtn;
};
-/*
- * Connect-IB can trigger up to four concurrent pagefaults
- * per-QP.
- */
-enum mlx5_ib_pagefault_context {
- MLX5_IB_PAGEFAULT_RESPONDER_READ,
- MLX5_IB_PAGEFAULT_REQUESTOR_READ,
- MLX5_IB_PAGEFAULT_RESPONDER_WRITE,
- MLX5_IB_PAGEFAULT_REQUESTOR_WRITE,
- MLX5_IB_PAGEFAULT_CONTEXTS
-};
-
-static inline enum mlx5_ib_pagefault_context
- mlx5_ib_get_pagefault_context(struct mlx5_pagefault *pagefault)
-{
- return pagefault->flags & (MLX5_PFAULT_REQUESTOR | MLX5_PFAULT_WRITE);
-}
-
-struct mlx5_ib_pfault {
- struct work_struct work;
- struct mlx5_pagefault mpfault;
-};
-
struct mlx5_ib_ubuffer {
struct ib_umem *umem;
int buf_size;
@@ -334,6 +324,12 @@ struct mlx5_ib_raw_packet_qp {
struct mlx5_ib_rq rq;
};
+struct mlx5_bf {
+ int buf_size;
+ unsigned long offset;
+ struct mlx5_sq_bfreg *bfreg;
+};
+
struct mlx5_ib_qp {
struct ib_qp ibqp;
union {
@@ -359,33 +355,19 @@ struct mlx5_ib_qp {
int wq_sig;
int scat_cqe;
int max_inline_data;
- struct mlx5_bf *bf;
+ struct mlx5_bf bf;
int has_rq;
/* only for user space QPs. For kernel
* we have it from the bf object
*/
- int uuarn;
+ int bfregn;
int create_type;
/* Store signature errors */
bool signature_en;
-#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
- /*
- * A flag that is true for QP's that are in a state that doesn't
- * allow page faults, and shouldn't schedule any more faults.
- */
- int disable_page_faults;
- /*
- * The disable_page_faults_lock protects a QP's disable_page_faults
- * field, allowing for a thread to atomically check whether the QP
- * allows page faults, and if so schedule a page fault.
- */
- spinlock_t disable_page_faults_lock;
- struct mlx5_ib_pfault pagefaults[MLX5_IB_PAGEFAULT_CONTEXTS];
-#endif
struct list_head qps_list;
struct list_head cq_recv_list;
struct list_head cq_send_list;
@@ -414,13 +396,11 @@ enum mlx5_ib_qp_flags {
struct mlx5_umr_wr {
struct ib_send_wr wr;
- union {
- u64 virt_addr;
- u64 offset;
- } target;
+ u64 virt_addr;
+ u64 offset;
struct ib_pd *pd;
unsigned int page_shift;
- unsigned int npages;
+ unsigned int xlt_size;
u64 length;
int access_flags;
u32 mkey;
@@ -617,7 +597,6 @@ struct mlx5_ib_dev {
struct ib_device ib_dev;
struct mlx5_core_dev *mdev;
struct mlx5_roce roce;
- MLX5_DECLARE_DOORBELL_LOCK(uar_lock);
int num_ports;
/* serialize update of capability mask
*/
@@ -634,6 +613,7 @@ struct mlx5_ib_dev {
int fill_delay;
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
struct ib_odp_caps odp_caps;
+ u64 odp_max_size;
/*
* Sleepable RCU that prevents destruction of MRs while they are still
* being used by a page fault handler.
@@ -646,6 +626,8 @@ struct mlx5_ib_dev {
struct list_head qp_list;
/* Array with num_ports elements */
struct mlx5_ib_port *port;
+ struct mlx5_sq_bfreg bfreg;
+ struct mlx5_sq_bfreg fp_bfreg;
};
static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq)
@@ -787,8 +769,8 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
struct ib_udata *udata);
int mlx5_ib_dealloc_mw(struct ib_mw *mw);
-int mlx5_ib_update_mtt(struct mlx5_ib_mr *mr, u64 start_page_index,
- int npages, int zap);
+int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
+ int page_shift, int flags);
int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
u64 length, u64 virt_addr, int access_flags,
struct ib_pd *pd, struct ib_udata *udata);
@@ -857,18 +839,13 @@ struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device,
int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
-extern struct workqueue_struct *mlx5_ib_page_fault_wq;
-
void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev);
-void mlx5_ib_mr_pfault_handler(struct mlx5_ib_qp *qp,
- struct mlx5_ib_pfault *pfault);
-void mlx5_ib_odp_create_qp(struct mlx5_ib_qp *qp);
+void mlx5_ib_pfault(struct mlx5_core_dev *mdev, void *context,
+ struct mlx5_pagefault *pfault);
int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev);
void mlx5_ib_odp_remove_one(struct mlx5_ib_dev *ibdev);
int __init mlx5_ib_odp_init(void);
void mlx5_ib_odp_cleanup(void);
-void mlx5_ib_qp_disable_pagefaults(struct mlx5_ib_qp *qp);
-void mlx5_ib_qp_enable_pagefaults(struct mlx5_ib_qp *qp);
void mlx5_ib_invalidate_range(struct ib_umem *umem, unsigned long start,
unsigned long end);
#else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
@@ -877,13 +854,10 @@ static inline void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev)
return;
}
-static inline void mlx5_ib_odp_create_qp(struct mlx5_ib_qp *qp) {}
static inline int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev) { return 0; }
static inline void mlx5_ib_odp_remove_one(struct mlx5_ib_dev *ibdev) {}
static inline int mlx5_ib_odp_init(void) { return 0; }
static inline void mlx5_ib_odp_cleanup(void) {}
-static inline void mlx5_ib_qp_disable_pagefaults(struct mlx5_ib_qp *qp) {}
-static inline void mlx5_ib_qp_enable_pagefaults(struct mlx5_ib_qp *qp) {}
#endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
@@ -1001,4 +975,17 @@ static inline int get_srq_user_index(struct mlx5_ib_ucontext *ucontext,
return verify_assign_uidx(cqe_version, ucmd->uidx, user_index);
}
+
+static inline int get_uars_per_sys_page(struct mlx5_ib_dev *dev, bool lib_support)
+{
+ return lib_support && MLX5_CAP_GEN(dev->mdev, uar_4k) ?
+ MLX5_UARS_IN_PAGE : 1;
+}
+
+static inline int get_num_uars(struct mlx5_ib_dev *dev,
+ struct mlx5_bfreg_info *bfregi)
+{
+ return get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * bfregi->num_sys_pages;
+}
+
#endif /* MLX5_IB_H */
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 8f608deb..8cf2a67 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -46,14 +46,9 @@ enum {
};
#define MLX5_UMR_ALIGN 2048
-#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
-static __be64 mlx5_ib_update_mtt_emergency_buffer[
- MLX5_UMR_MTT_MIN_CHUNK_SIZE/sizeof(__be64)]
- __aligned(MLX5_UMR_ALIGN);
-static DEFINE_MUTEX(mlx5_ib_update_mtt_emergency_buffer_mutex);
-#endif
static int clean_mr(struct mlx5_ib_mr *mr);
+static int use_umr(struct mlx5_ib_dev *dev, int order);
static int destroy_mkey(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
{
@@ -134,6 +129,7 @@ static void reg_mr_callback(int status, void *context)
return;
}
+ mr->mmkey.type = MLX5_MKEY_MR;
spin_lock_irqsave(&dev->mdev->priv.mkey_lock, flags);
key = dev->mdev->priv.mkey_key++;
spin_unlock_irqrestore(&dev->mdev->priv.mkey_lock, flags);
@@ -629,7 +625,8 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
ent->dev = dev;
if ((dev->mdev->profile->mask & MLX5_PROF_MASK_MR_CACHE) &&
- (mlx5_core_is_pf(dev->mdev)))
+ mlx5_core_is_pf(dev->mdev) &&
+ use_umr(dev, ent->order))
limit = dev->mdev->profile->mr_cache[i].limit;
else
limit = 0;
@@ -732,6 +729,7 @@ struct ib_mr *mlx5_ib_get_dma_mr(struct ib_pd *pd, int acc)
goto err_in;
kfree(in);
+ mr->mmkey.type = MLX5_MKEY_MR;
mr->ibmr.lkey = mr->mmkey.key;
mr->ibmr.rkey = mr->mmkey.key;
mr->umem = NULL;
@@ -757,94 +755,13 @@ static int get_octo_len(u64 addr, u64 len, int page_size)
return (npages + 1) / 2;
}
-static int use_umr(int order)
+static int use_umr(struct mlx5_ib_dev *dev, int order)
{
+ if (MLX5_CAP_GEN(dev->mdev, umr_extended_translation_offset))
+ return order < MAX_MR_CACHE_ENTRIES + 2;
return order <= MLX5_MAX_UMR_SHIFT;
}
-static int dma_map_mr_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
- int npages, int page_shift, int *size,
- __be64 **mr_pas, dma_addr_t *dma)
-{
- __be64 *pas;
- struct device *ddev = dev->ib_dev.dma_device;
-
- /*
- * UMR copies MTTs in units of MLX5_UMR_MTT_ALIGNMENT bytes.
- * To avoid copying garbage after the pas array, we allocate
- * a little more.
- */
- *size = ALIGN(sizeof(u64) * npages, MLX5_UMR_MTT_ALIGNMENT);
- *mr_pas = kmalloc(*size + MLX5_UMR_ALIGN - 1, GFP_KERNEL);
- if (!(*mr_pas))
- return -ENOMEM;
-
- pas = PTR_ALIGN(*mr_pas, MLX5_UMR_ALIGN);
- mlx5_ib_populate_pas(dev, umem, page_shift, pas, MLX5_IB_MTT_PRESENT);
- /* Clear padding after the actual pages. */
- memset(pas + npages, 0, *size - npages * sizeof(u64));
-
- *dma = dma_map_single(ddev, pas, *size, DMA_TO_DEVICE);
- if (dma_mapping_error(ddev, *dma)) {
- kfree(*mr_pas);
- return -ENOMEM;
- }
-
- return 0;
-}
-
-static void prep_umr_wqe_common(struct ib_pd *pd, struct ib_send_wr *wr,
- struct ib_sge *sg, u64 dma, int n, u32 key,
- int page_shift)
-{
- struct mlx5_ib_dev *dev = to_mdev(pd->device);
- struct mlx5_umr_wr *umrwr = umr_wr(wr);
-
- sg->addr = dma;
- sg->length = ALIGN(sizeof(u64) * n, 64);
- sg->lkey = dev->umrc.pd->local_dma_lkey;
-
- wr->next = NULL;
- wr->sg_list = sg;
- if (n)
- wr->num_sge = 1;
- else
- wr->num_sge = 0;
-
- wr->opcode = MLX5_IB_WR_UMR;
-
- umrwr->npages = n;
- umrwr->page_shift = page_shift;
- umrwr->mkey = key;
-}
-
-static void prep_umr_reg_wqe(struct ib_pd *pd, struct ib_send_wr *wr,
- struct ib_sge *sg, u64 dma, int n, u32 key,
- int page_shift, u64 virt_addr, u64 len,
- int access_flags)
-{
- struct mlx5_umr_wr *umrwr = umr_wr(wr);
-
- prep_umr_wqe_common(pd, wr, sg, dma, n, key, page_shift);
-
- wr->send_flags = 0;
-
- umrwr->target.virt_addr = virt_addr;
- umrwr->length = len;
- umrwr->access_flags = access_flags;
- umrwr->pd = pd;
-}
-
-static void prep_umr_unreg_wqe(struct mlx5_ib_dev *dev,
- struct ib_send_wr *wr, u32 key)
-{
- struct mlx5_umr_wr *umrwr = umr_wr(wr);
-
- wr->send_flags = MLX5_IB_SEND_UMR_UNREG | MLX5_IB_SEND_UMR_FAIL_IF_FREE;
- wr->opcode = MLX5_IB_WR_UMR;
- umrwr->mkey = key;
-}
-
static int mr_umem_get(struct ib_pd *pd, u64 start, u64 length,
int access_flags, struct ib_umem **umem,
int *npages, int *page_shift, int *ncont,
@@ -891,21 +808,39 @@ static inline void mlx5_ib_init_umr_context(struct mlx5_ib_umr_context *context)
init_completion(&context->done);
}
+static int mlx5_ib_post_send_wait(struct mlx5_ib_dev *dev,
+ struct mlx5_umr_wr *umrwr)
+{
+ struct umr_common *umrc = &dev->umrc;
+ struct ib_send_wr *bad;
+ int err;
+ struct mlx5_ib_umr_context umr_context;
+
+ mlx5_ib_init_umr_context(&umr_context);
+ umrwr->wr.wr_cqe = &umr_context.cqe;
+
+ down(&umrc->sem);
+ err = ib_post_send(umrc->qp, &umrwr->wr, &bad);
+ if (err) {
+ mlx5_ib_warn(dev, "UMR post send failed, err %d\n", err);
+ } else {
+ wait_for_completion(&umr_context.done);
+ if (umr_context.status != IB_WC_SUCCESS) {
+ mlx5_ib_warn(dev, "reg umr failed (%u)\n",
+ umr_context.status);
+ err = -EFAULT;
+ }
+ }
+ up(&umrc->sem);
+ return err;
+}
+
static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct ib_umem *umem,
u64 virt_addr, u64 len, int npages,
int page_shift, int order, int access_flags)
{
struct mlx5_ib_dev *dev = to_mdev(pd->device);
- struct device *ddev = dev->ib_dev.dma_device;
- struct umr_common *umrc = &dev->umrc;
- struct mlx5_ib_umr_context umr_context;
- struct mlx5_umr_wr umrwr = {};
- struct ib_send_wr *bad;
struct mlx5_ib_mr *mr;
- struct ib_sge sg;
- int size;
- __be64 *mr_pas;
- dma_addr_t dma;
int err = 0;
int i;
@@ -924,173 +859,174 @@ static struct mlx5_ib_mr *reg_umr(struct ib_pd *pd, struct ib_umem *umem,
if (!mr)
return ERR_PTR(-EAGAIN);
- err = dma_map_mr_pas(dev, umem, npages, page_shift, &size, &mr_pas,
- &dma);
- if (err)
- goto free_mr;
-
- mlx5_ib_init_umr_context(&umr_context);
-
- umrwr.wr.wr_cqe = &umr_context.cqe;
- prep_umr_reg_wqe(pd, &umrwr.wr, &sg, dma, npages, mr->mmkey.key,
- page_shift, virt_addr, len, access_flags);
-
- down(&umrc->sem);
- err = ib_post_send(umrc->qp, &umrwr.wr, &bad);
- if (err) {
- mlx5_ib_warn(dev, "post send failed, err %d\n", err);
- goto unmap_dma;
- } else {
- wait_for_completion(&umr_context.done);
- if (umr_context.status != IB_WC_SUCCESS) {
- mlx5_ib_warn(dev, "reg umr failed\n");
- err = -EFAULT;
- }
- }
-
+ mr->ibmr.pd = pd;
+ mr->umem = umem;
+ mr->access_flags = access_flags;
+ mr->desc_size = sizeof(struct mlx5_mtt);
mr->mmkey.iova = virt_addr;
mr->mmkey.size = len;
mr->mmkey.pd = to_mpd(pd)->pdn;
- mr->live = 1;
+ err = mlx5_ib_update_xlt(mr, 0, npages, page_shift,
+ MLX5_IB_UPD_XLT_ENABLE);
-unmap_dma:
- up(&umrc->sem);
- dma_unmap_single(ddev, dma, size, DMA_TO_DEVICE);
-
- kfree(mr_pas);
-
-free_mr:
if (err) {
free_cached_mr(dev, mr);
return ERR_PTR(err);
}
+ mr->live = 1;
+
return mr;
}
-#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
-int mlx5_ib_update_mtt(struct mlx5_ib_mr *mr, u64 start_page_index, int npages,
- int zap)
+static inline int populate_xlt(struct mlx5_ib_mr *mr, int idx, int npages,
+ void *xlt, int page_shift, size_t size,
+ int flags)
{
struct mlx5_ib_dev *dev = mr->dev;
- struct device *ddev = dev->ib_dev.dma_device;
- struct umr_common *umrc = &dev->umrc;
- struct mlx5_ib_umr_context umr_context;
struct ib_umem *umem = mr->umem;
+
+ npages = min_t(size_t, npages, ib_umem_num_pages(umem) - idx);
+
+ if (!(flags & MLX5_IB_UPD_XLT_ZAP)) {
+ __mlx5_ib_populate_pas(dev, umem, page_shift,
+ idx, npages, xlt,
+ MLX5_IB_MTT_PRESENT);
+ /* Clear padding after the pages
+ * brought from the umem.
+ */
+ memset(xlt + (npages * sizeof(struct mlx5_mtt)), 0,
+ size - npages * sizeof(struct mlx5_mtt));
+ }
+
+ return npages;
+}
+
+#define MLX5_MAX_UMR_CHUNK ((1 << (MLX5_MAX_UMR_SHIFT + 4)) - \
+ MLX5_UMR_MTT_ALIGNMENT)
+#define MLX5_SPARE_UMR_CHUNK 0x10000
+
+int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
+ int page_shift, int flags)
+{
+ struct mlx5_ib_dev *dev = mr->dev;
+ struct device *ddev = dev->ib_dev.dma_device;
+ struct mlx5_ib_ucontext *uctx = NULL;
int size;
- __be64 *pas;
+ void *xlt;
dma_addr_t dma;
- struct ib_send_wr *bad;
struct mlx5_umr_wr wr;
struct ib_sge sg;
int err = 0;
- const int page_index_alignment = MLX5_UMR_MTT_ALIGNMENT / sizeof(u64);
- const int page_index_mask = page_index_alignment - 1;
+ int desc_size = sizeof(struct mlx5_mtt);
+ const int page_align = MLX5_UMR_MTT_ALIGNMENT / desc_size;
+ const int page_mask = page_align - 1;
size_t pages_mapped = 0;
size_t pages_to_map = 0;
size_t pages_iter = 0;
- int use_emergency_buf = 0;
+ gfp_t gfp;
/* UMR copies MTTs in units of MLX5_UMR_MTT_ALIGNMENT bytes,
- * so we need to align the offset and length accordingly */
- if (start_page_index & page_index_mask) {
- npages += start_page_index & page_index_mask;
- start_page_index &= ~page_index_mask;
+ * so we need to align the offset and length accordingly
+ */
+ if (idx & page_mask) {
+ npages += idx & page_mask;
+ idx &= ~page_mask;
}
- pages_to_map = ALIGN(npages, page_index_alignment);
+ gfp = flags & MLX5_IB_UPD_XLT_ATOMIC ? GFP_ATOMIC : GFP_KERNEL;
+ gfp |= __GFP_ZERO | __GFP_NOWARN;
- if (start_page_index + pages_to_map > MLX5_MAX_UMR_PAGES)
- return -EINVAL;
+ pages_to_map = ALIGN(npages, page_align);
+ size = desc_size * pages_to_map;
+ size = min_t(int, size, MLX5_MAX_UMR_CHUNK);
+
+ xlt = (void *)__get_free_pages(gfp, get_order(size));
+ if (!xlt && size > MLX5_SPARE_UMR_CHUNK) {
+ mlx5_ib_dbg(dev, "Failed to allocate %d bytes of order %d. fallback to spare UMR allocation od %d bytes\n",
+ size, get_order(size), MLX5_SPARE_UMR_CHUNK);
- size = sizeof(u64) * pages_to_map;
- size = min_t(int, PAGE_SIZE, size);
- /* We allocate with GFP_ATOMIC to avoid recursion into page-reclaim
- * code, when we are called from an invalidation. The pas buffer must
- * be 2k-aligned for Connect-IB. */
- pas = (__be64 *)get_zeroed_page(GFP_ATOMIC);
- if (!pas) {
- mlx5_ib_warn(dev, "unable to allocate memory during MTT update, falling back to slower chunked mechanism.\n");
- pas = mlx5_ib_update_mtt_emergency_buffer;
- size = MLX5_UMR_MTT_MIN_CHUNK_SIZE;
- use_emergency_buf = 1;
- mutex_lock(&mlx5_ib_update_mtt_emergency_buffer_mutex);
- memset(pas, 0, size);
+ size = MLX5_SPARE_UMR_CHUNK;
+ xlt = (void *)__get_free_pages(gfp, get_order(size));
}
- pages_iter = size / sizeof(u64);
- dma = dma_map_single(ddev, pas, size, DMA_TO_DEVICE);
+
+ if (!xlt) {
+ uctx = to_mucontext(mr->ibmr.uobject->context);
+ mlx5_ib_warn(dev, "Using XLT emergency buffer\n");
+ size = PAGE_SIZE;
+ xlt = (void *)uctx->upd_xlt_page;
+ mutex_lock(&uctx->upd_xlt_page_mutex);
+ memset(xlt, 0, size);
+ }
+ pages_iter = size / desc_size;
+ dma = dma_map_single(ddev, xlt, size, DMA_TO_DEVICE);
if (dma_mapping_error(ddev, dma)) {
- mlx5_ib_err(dev, "unable to map DMA during MTT update.\n");
+ mlx5_ib_err(dev, "unable to map DMA during XLT update.\n");
err = -ENOMEM;
- goto free_pas;
+ goto free_xlt;
}
+ sg.addr = dma;
+ sg.lkey = dev->umrc.pd->local_dma_lkey;
+
+ memset(&wr, 0, sizeof(wr));
+ wr.wr.send_flags = MLX5_IB_SEND_UMR_UPDATE_XLT;
+ if (!(flags & MLX5_IB_UPD_XLT_ENABLE))
+ wr.wr.send_flags |= MLX5_IB_SEND_UMR_FAIL_IF_FREE;
+ wr.wr.sg_list = &sg;
+ wr.wr.num_sge = 1;
+ wr.wr.opcode = MLX5_IB_WR_UMR;
+
+ wr.pd = mr->ibmr.pd;
+ wr.mkey = mr->mmkey.key;
+ wr.length = mr->mmkey.size;
+ wr.virt_addr = mr->mmkey.iova;
+ wr.access_flags = mr->access_flags;
+ wr.page_shift = page_shift;
+
for (pages_mapped = 0;
pages_mapped < pages_to_map && !err;
- pages_mapped += pages_iter, start_page_index += pages_iter) {
+ pages_mapped += pages_iter, idx += pages_iter) {
dma_sync_single_for_cpu(ddev, dma, size, DMA_TO_DEVICE);
-
- npages = min_t(size_t,
- pages_iter,
- ib_umem_num_pages(umem) - start_page_index);
-
- if (!zap) {
- __mlx5_ib_populate_pas(dev, umem, PAGE_SHIFT,
- start_page_index, npages, pas,
- MLX5_IB_MTT_PRESENT);
- /* Clear padding after the pages brought from the
- * umem. */
- memset(pas + npages, 0, size - npages * sizeof(u64));
- }
+ npages = populate_xlt(mr, idx, pages_iter, xlt,
+ page_shift, size, flags);
dma_sync_single_for_device(ddev, dma, size, DMA_TO_DEVICE);
- mlx5_ib_init_umr_context(&umr_context);
-
- memset(&wr, 0, sizeof(wr));
- wr.wr.wr_cqe = &umr_context.cqe;
-
- sg.addr = dma;
- sg.length = ALIGN(npages * sizeof(u64),
- MLX5_UMR_MTT_ALIGNMENT);
- sg.lkey = dev->umrc.pd->local_dma_lkey;
+ sg.length = ALIGN(npages * desc_size,
+ MLX5_UMR_MTT_ALIGNMENT);
+
+ if (pages_mapped + pages_iter >= pages_to_map) {
+ if (flags & MLX5_IB_UPD_XLT_ENABLE)
+ wr.wr.send_flags |=
+ MLX5_IB_SEND_UMR_ENABLE_MR |
+ MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS |
+ MLX5_IB_SEND_UMR_UPDATE_TRANSLATION;
+ if (flags & MLX5_IB_UPD_XLT_PD ||
+ flags & MLX5_IB_UPD_XLT_ACCESS)
+ wr.wr.send_flags |=
+ MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS;
+ if (flags & MLX5_IB_UPD_XLT_ADDR)
+ wr.wr.send_flags |=
+ MLX5_IB_SEND_UMR_UPDATE_TRANSLATION;
+ }
- wr.wr.send_flags = MLX5_IB_SEND_UMR_FAIL_IF_FREE |
- MLX5_IB_SEND_UMR_UPDATE_MTT;
- wr.wr.sg_list = &sg;
- wr.wr.num_sge = 1;
- wr.wr.opcode = MLX5_IB_WR_UMR;
- wr.npages = sg.length / sizeof(u64);
- wr.page_shift = PAGE_SHIFT;
- wr.mkey = mr->mmkey.key;
- wr.target.offset = start_page_index;
+ wr.offset = idx * desc_size;
+ wr.xlt_size = sg.length;
- down(&umrc->sem);
- err = ib_post_send(umrc->qp, &wr.wr, &bad);
- if (err) {
- mlx5_ib_err(dev, "UMR post send failed, err %d\n", err);
- } else {
- wait_for_completion(&umr_context.done);
- if (umr_context.status != IB_WC_SUCCESS) {
- mlx5_ib_err(dev, "UMR completion failed, code %d\n",
- umr_context.status);
- err = -EFAULT;
- }
- }
- up(&umrc->sem);
+ err = mlx5_ib_post_send_wait(dev, &wr);
}
dma_unmap_single(ddev, dma, size, DMA_TO_DEVICE);
-free_pas:
- if (!use_emergency_buf)
- free_page((unsigned long)pas);
+free_xlt:
+ if (uctx)
+ mutex_unlock(&uctx->upd_xlt_page_mutex);
else
- mutex_unlock(&mlx5_ib_update_mtt_emergency_buffer_mutex);
+ free_pages((unsigned long)xlt, get_order(size));
return err;
}
-#endif
/*
* If ibmr is NULL it will be allocated by reg_create.
@@ -1122,8 +1058,9 @@ static struct mlx5_ib_mr *reg_create(struct ib_mr *ibmr, struct ib_pd *pd,
goto err_1;
}
pas = (__be64 *)MLX5_ADDR_OF(create_mkey_in, in, klm_pas_mtt);
- mlx5_ib_populate_pas(dev, umem, page_shift, pas,
- pg_cap ? MLX5_IB_MTT_PRESENT : 0);
+ if (!(access_flags & IB_ACCESS_ON_DEMAND))
+ mlx5_ib_populate_pas(dev, umem, page_shift, pas,
+ pg_cap ? MLX5_IB_MTT_PRESENT : 0);
/* The pg_access bit allows setting the access flags
* in the page list submitted with the command. */
@@ -1153,6 +1090,7 @@ static struct mlx5_ib_mr *reg_create(struct ib_mr *ibmr, struct ib_pd *pd,
mlx5_ib_warn(dev, "create mkey failed\n");
goto err_2;
}
+ mr->mmkey.type = MLX5_MKEY_MR;
mr->umem = umem;
mr->dev = dev;
mr->live = 1;
@@ -1204,14 +1142,15 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
if (err < 0)
return ERR_PTR(err);
- if (use_umr(order)) {
+ if (use_umr(dev, order)) {
mr = reg_umr(pd, umem, virt_addr, length, ncont, page_shift,
order, access_flags);
if (PTR_ERR(mr) == -EAGAIN) {
mlx5_ib_dbg(dev, "cache empty for order %d", order);
mr = NULL;
}
- } else if (access_flags & IB_ACCESS_ON_DEMAND) {
+ } else if (access_flags & IB_ACCESS_ON_DEMAND &&
+ !MLX5_CAP_GEN(dev->mdev, umr_extended_translation_offset)) {
err = -EINVAL;
pr_err("Got MR registration for ODP MR > 512MB, not supported for Connect-IB");
goto error;
@@ -1248,106 +1187,39 @@ error:
static int unreg_umr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
{
struct mlx5_core_dev *mdev = dev->mdev;
- struct umr_common *umrc = &dev->umrc;
- struct mlx5_ib_umr_context umr_context;
struct mlx5_umr_wr umrwr = {};
- struct ib_send_wr *bad;
- int err;
if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR)
return 0;
- mlx5_ib_init_umr_context(&umr_context);
-
- umrwr.wr.wr_cqe = &umr_context.cqe;
- prep_umr_unreg_wqe(dev, &umrwr.wr, mr->mmkey.key);
+ umrwr.wr.send_flags = MLX5_IB_SEND_UMR_DISABLE_MR |
+ MLX5_IB_SEND_UMR_FAIL_IF_FREE;
+ umrwr.wr.opcode = MLX5_IB_WR_UMR;
+ umrwr.mkey = mr->mmkey.key;
- down(&umrc->sem);
- err = ib_post_send(umrc->qp, &umrwr.wr, &bad);
- if (err) {
- up(&umrc->sem);
- mlx5_ib_dbg(dev, "err %d\n", err);
- goto error;
- } else {
- wait_for_completion(&umr_context.done);
- up(&umrc->sem);
- }
- if (umr_context.status != IB_WC_SUCCESS) {
- mlx5_ib_warn(dev, "unreg umr failed\n");
- err = -EFAULT;
- goto error;
- }
- return 0;
-
-error:
- return err;
+ return mlx5_ib_post_send_wait(dev, &umrwr);
}
-static int rereg_umr(struct ib_pd *pd, struct mlx5_ib_mr *mr, u64 virt_addr,
- u64 length, int npages, int page_shift, int order,
+static int rereg_umr(struct ib_pd *pd, struct mlx5_ib_mr *mr,
int access_flags, int flags)
{
struct mlx5_ib_dev *dev = to_mdev(pd->device);
- struct device *ddev = dev->ib_dev.dma_device;
- struct mlx5_ib_umr_context umr_context;
- struct ib_send_wr *bad;
struct mlx5_umr_wr umrwr = {};
- struct ib_sge sg;
- struct umr_common *umrc = &dev->umrc;
- dma_addr_t dma = 0;
- __be64 *mr_pas = NULL;
- int size;
int err;
- mlx5_ib_init_umr_context(&umr_context);
-
- umrwr.wr.wr_cqe = &umr_context.cqe;
umrwr.wr.send_flags = MLX5_IB_SEND_UMR_FAIL_IF_FREE;
- if (flags & IB_MR_REREG_TRANS) {
- err = dma_map_mr_pas(dev, mr->umem, npages, page_shift, &size,
- &mr_pas, &dma);
- if (err)
- return err;
+ umrwr.wr.opcode = MLX5_IB_WR_UMR;
+ umrwr.mkey = mr->mmkey.key;
- umrwr.target.virt_addr = virt_addr;
- umrwr.length = length;
- umrwr.wr.send_flags |= MLX5_IB_SEND_UMR_UPDATE_TRANSLATION;
- }
-
- prep_umr_wqe_common(pd, &umrwr.wr, &sg, dma, npages, mr->mmkey.key,
- page_shift);
-
- if (flags & IB_MR_REREG_PD) {
+ if (flags & IB_MR_REREG_PD || flags & IB_MR_REREG_ACCESS) {
umrwr.pd = pd;
- umrwr.wr.send_flags |= MLX5_IB_SEND_UMR_UPDATE_PD;
- }
-
- if (flags & IB_MR_REREG_ACCESS) {
umrwr.access_flags = access_flags;
- umrwr.wr.send_flags |= MLX5_IB_SEND_UMR_UPDATE_ACCESS;
+ umrwr.wr.send_flags |= MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS;
}
- /* post send request to UMR QP */
- down(&umrc->sem);
- err = ib_post_send(umrc->qp, &umrwr.wr, &bad);
-
- if (err) {
- mlx5_ib_warn(dev, "post send failed, err %d\n", err);
- } else {
- wait_for_completion(&umr_context.done);
- if (umr_context.status != IB_WC_SUCCESS) {
- mlx5_ib_warn(dev, "reg umr failed (%u)\n",
- umr_context.status);
- err = -EFAULT;
- }
- }
+ err = mlx5_ib_post_send_wait(dev, &umrwr);
- up(&umrc->sem);
- if (flags & IB_MR_REREG_TRANS) {
- dma_unmap_single(ddev, dma, size, DMA_TO_DEVICE);
- kfree(mr_pas);
- }
return err;
}
@@ -1364,6 +1236,7 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
u64 addr = (flags & IB_MR_REREG_TRANS) ? virt_addr : mr->umem->address;
u64 len = (flags & IB_MR_REREG_TRANS) ? length : mr->umem->length;
int page_shift = 0;
+ int upd_flags = 0;
int npages = 0;
int ncont = 0;
int order = 0;
@@ -1372,6 +1245,8 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
mlx5_ib_dbg(dev, "start 0x%llx, virt_addr 0x%llx, length 0x%llx, access_flags 0x%x\n",
start, virt_addr, length, access_flags);
+ atomic_sub(mr->npages, &dev->mdev->priv.reg_pages);
+
if (flags != IB_MR_REREG_PD) {
/*
* Replace umem. This needs to be done whether or not UMR is
@@ -1382,7 +1257,7 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
err = mr_umem_get(pd, addr, len, access_flags, &mr->umem,
&npages, &page_shift, &ncont, &order);
if (err < 0) {
- mr->umem = NULL;
+ clean_mr(mr);
return err;
}
}
@@ -1414,32 +1289,37 @@ int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
/*
* Send a UMR WQE
*/
- err = rereg_umr(pd, mr, addr, len, npages, page_shift,
- order, access_flags, flags);
+ mr->ibmr.pd = pd;
+ mr->access_flags = access_flags;
+ mr->mmkey.iova = addr;
+ mr->mmkey.size = len;
+ mr->mmkey.pd = to_mpd(pd)->pdn;
+
+ if (flags & IB_MR_REREG_TRANS) {
+ upd_flags = MLX5_IB_UPD_XLT_ADDR;
+ if (flags & IB_MR_REREG_PD)
+ upd_flags |= MLX5_IB_UPD_XLT_PD;
+ if (flags & IB_MR_REREG_ACCESS)
+ upd_flags |= MLX5_IB_UPD_XLT_ACCESS;
+ err = mlx5_ib_update_xlt(mr, 0, npages, page_shift,
+ upd_flags);
+ } else {
+ err = rereg_umr(pd, mr, access_flags, flags);
+ }
+
if (err) {
mlx5_ib_warn(dev, "Failed to rereg UMR\n");
+ ib_umem_release(mr->umem);
+ clean_mr(mr);
return err;
}
}
- if (flags & IB_MR_REREG_PD) {
- ib_mr->pd = pd;
- mr->mmkey.pd = to_mpd(pd)->pdn;
- }
+ set_mr_fileds(dev, mr, npages, len, access_flags);
- if (flags & IB_MR_REREG_ACCESS)
- mr->access_flags = access_flags;
-
- if (flags & IB_MR_REREG_TRANS) {
- atomic_sub(mr->npages, &dev->mdev->priv.reg_pages);
- set_mr_fileds(dev, mr, npages, len, access_flags);
- mr->mmkey.iova = addr;
- mr->mmkey.size = len;
- }
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
update_odp_mr(mr);
#endif
-
return 0;
}
@@ -1603,11 +1483,11 @@ struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd,
mr->access_mode = MLX5_MKC_ACCESS_MODE_MTT;
MLX5_SET(mkc, mkc, log_page_size, PAGE_SHIFT);
err = mlx5_alloc_priv_descs(pd->device, mr,
- ndescs, sizeof(u64));
+ ndescs, sizeof(struct mlx5_mtt));
if (err)
goto err_free_in;
- mr->desc_size = sizeof(u64);
+ mr->desc_size = sizeof(struct mlx5_mtt);
mr->max_descs = ndescs;
} else if (mr_type == IB_MR_TYPE_SG_GAPS) {
mr->access_mode = MLX5_MKC_ACCESS_MODE_KLMS;
@@ -1656,6 +1536,7 @@ struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd,
if (err)
goto err_destroy_psv;
+ mr->mmkey.type = MLX5_MKEY_MR;
mr->ibmr.lkey = mr->mmkey.key;
mr->ibmr.rkey = mr->mmkey.key;
mr->umem = NULL;
@@ -1736,6 +1617,7 @@ struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
if (err)
goto free;
+ mw->mmkey.type = MLX5_MKEY_MW;
mw->ibmw.rkey = mw->mmkey.key;
resp.response_length = min(offsetof(typeof(resp), response_length) +
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index cacb631..e5bc267 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -41,13 +41,12 @@
* a pagefault. */
#define MMU_NOTIFIER_TIMEOUT 1000
-struct workqueue_struct *mlx5_ib_page_fault_wq;
-
void mlx5_ib_invalidate_range(struct ib_umem *umem, unsigned long start,
unsigned long end)
{
struct mlx5_ib_mr *mr;
- const u64 umr_block_mask = (MLX5_UMR_MTT_ALIGNMENT / sizeof(u64)) - 1;
+ const u64 umr_block_mask = (MLX5_UMR_MTT_ALIGNMENT /
+ sizeof(struct mlx5_mtt)) - 1;
u64 idx = 0, blk_start_idx = 0;
int in_block = 0;
u64 addr;
@@ -90,16 +89,21 @@ void mlx5_ib_invalidate_range(struct ib_umem *umem, unsigned long start,
u64 umr_offset = idx & umr_block_mask;
if (in_block && umr_offset == 0) {
- mlx5_ib_update_mtt(mr, blk_start_idx,
- idx - blk_start_idx, 1);
+ mlx5_ib_update_xlt(mr, blk_start_idx,
+ idx - blk_start_idx,
+ PAGE_SHIFT,
+ MLX5_IB_UPD_XLT_ZAP |
+ MLX5_IB_UPD_XLT_ATOMIC);
in_block = 0;
}
}
}
if (in_block)
- mlx5_ib_update_mtt(mr, blk_start_idx, idx - blk_start_idx + 1,
- 1);
-
+ mlx5_ib_update_xlt(mr, blk_start_idx,
+ idx - blk_start_idx + 1,
+ PAGE_SHIFT,
+ MLX5_IB_UPD_XLT_ZAP |
+ MLX5_IB_UPD_XLT_ATOMIC);
/*
* We are now sure that the device will not access the
* memory. We can safely unmap it, and mark it as dirty if
@@ -120,6 +124,11 @@ void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev)
caps->general_caps = IB_ODP_SUPPORT;
+ if (MLX5_CAP_GEN(dev->mdev, umr_extended_translation_offset))
+ dev->odp_max_size = U64_MAX;
+ else
+ dev->odp_max_size = BIT_ULL(MLX5_MAX_UMR_SHIFT + PAGE_SHIFT);
+
if (MLX5_CAP_ODP(dev->mdev, ud_odp_caps.send))
caps->per_transport_caps.ud_odp_caps |= IB_ODP_SUPPORT_SEND;
@@ -135,6 +144,9 @@ void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev)
if (MLX5_CAP_ODP(dev->mdev, rc_odp_caps.read))
caps->per_transport_caps.rc_odp_caps |= IB_ODP_SUPPORT_READ;
+ if (MLX5_CAP_ODP(dev->mdev, rc_odp_caps.atomic))
+ caps->per_transport_caps.rc_odp_caps |= IB_ODP_SUPPORT_ATOMIC;
+
return;
}
@@ -143,46 +155,51 @@ static struct mlx5_ib_mr *mlx5_ib_odp_find_mr_lkey(struct mlx5_ib_dev *dev,
{
u32 base_key = mlx5_base_mkey(key);
struct mlx5_core_mkey *mmkey = __mlx5_mr_lookup(dev->mdev, base_key);
- struct mlx5_ib_mr *mr = container_of(mmkey, struct mlx5_ib_mr, mmkey);
+ struct mlx5_ib_mr *mr;
- if (!mmkey || mmkey->key != key || !mr->live)
+ if (!mmkey || mmkey->key != key || mmkey->type != MLX5_MKEY_MR)
+ return NULL;
+
+ mr = container_of(mmkey, struct mlx5_ib_mr, mmkey);
+
+ if (!mr->live)
return NULL;
return container_of(mmkey, struct mlx5_ib_mr, mmkey);
}
-static void mlx5_ib_page_fault_resume(struct mlx5_ib_qp *qp,
- struct mlx5_ib_pfault *pfault,
+static void mlx5_ib_page_fault_resume(struct mlx5_ib_dev *dev,
+ struct mlx5_pagefault *pfault,
int error)
{
- struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.pd->device);
- u32 qpn = qp->trans_qp.base.mqp.qpn;
+ int wq_num = pfault->event_subtype == MLX5_PFAULT_SUBTYPE_WQE ?
+ pfault->wqe.wq_num : pfault->token;
int ret = mlx5_core_page_fault_resume(dev->mdev,
- qpn,
- pfault->mpfault.flags,
+ pfault->token,
+ wq_num,
+ pfault->type,
error);
if (ret)
- pr_err("Failed to resolve the page fault on QP 0x%x\n", qpn);
+ mlx5_ib_err(dev, "Failed to resolve the page fault on WQ 0x%x\n",
+ wq_num);
}
/*
- * Handle a single data segment in a page-fault WQE.
+ * Handle a single data segment in a page-fault WQE or RDMA region.
*
- * Returns number of pages retrieved on success. The caller will continue to
+ * Returns number of pages retrieved on success. The caller may continue to
* the next data segment.
* Can return the following error codes:
* -EAGAIN to designate a temporary error. The caller will abort handling the
* page fault and resolve it.
* -EFAULT when there's an error mapping the requested pages. The caller will
- * abort the page fault handling and possibly move the QP to an error state.
- * On other errors the QP should also be closed with an error.
+ * abort the page fault handling.
*/
-static int pagefault_single_data_segment(struct mlx5_ib_qp *qp,
- struct mlx5_ib_pfault *pfault,
+static int pagefault_single_data_segment(struct mlx5_ib_dev *mib_dev,
u32 key, u64 io_virt, size_t bcnt,
+ u32 *bytes_committed,
u32 *bytes_mapped)
{
- struct mlx5_ib_dev *mib_dev = to_mdev(qp->ibqp.pd->device);
int srcu_key;
unsigned int current_seq;
u64 start_idx;
@@ -208,12 +225,7 @@ static int pagefault_single_data_segment(struct mlx5_ib_qp *qp,
key);
if (bytes_mapped)
*bytes_mapped +=
- (bcnt - pfault->mpfault.bytes_committed);
- goto srcu_unlock;
- }
- if (mr->ibmr.pd != qp->ibqp.pd) {
- pr_err("Page-fault with different PDs for QP and MR.\n");
- ret = -EFAULT;
+ (bcnt - *bytes_committed);
goto srcu_unlock;
}
@@ -229,8 +241,8 @@ static int pagefault_single_data_segment(struct mlx5_ib_qp *qp,
* in all iterations (in iteration 2 and above,
* bytes_committed == 0).
*/
- io_virt += pfault->mpfault.bytes_committed;
- bcnt -= pfault->mpfault.bytes_committed;
+ io_virt += *bytes_committed;
+ bcnt -= *bytes_committed;
start_idx = (io_virt - (mr->mmkey.iova & PAGE_MASK)) >> PAGE_SHIFT;
@@ -251,7 +263,9 @@ static int pagefault_single_data_segment(struct mlx5_ib_qp *qp,
* this MR, since ib_umem_odp_map_dma_pages already
* checks this.
*/
- ret = mlx5_ib_update_mtt(mr, start_idx, npages, 0);
+ ret = mlx5_ib_update_xlt(mr, start_idx, npages,
+ PAGE_SHIFT,
+ MLX5_IB_UPD_XLT_ATOMIC);
} else {
ret = -EAGAIN;
}
@@ -287,7 +301,7 @@ srcu_unlock:
}
}
srcu_read_unlock(&mib_dev->mr_srcu, srcu_key);
- pfault->mpfault.bytes_committed = 0;
+ *bytes_committed = 0;
return ret ? ret : npages;
}
@@ -309,8 +323,9 @@ srcu_unlock:
* Returns the number of pages loaded if positive, zero for an empty WQE, or a
* negative error code.
*/
-static int pagefault_data_segments(struct mlx5_ib_qp *qp,
- struct mlx5_ib_pfault *pfault, void *wqe,
+static int pagefault_data_segments(struct mlx5_ib_dev *dev,
+ struct mlx5_pagefault *pfault,
+ struct mlx5_ib_qp *qp, void *wqe,
void *wqe_end, u32 *bytes_mapped,
u32 *total_wqe_bytes, int receive_queue)
{
@@ -354,22 +369,23 @@ static int pagefault_data_segments(struct mlx5_ib_qp *qp,
if (!inline_segment && total_wqe_bytes) {
*total_wqe_bytes += bcnt - min_t(size_t, bcnt,
- pfault->mpfault.bytes_committed);
+ pfault->bytes_committed);
}
/* A zero length data segment designates a length of 2GB. */
if (bcnt == 0)
bcnt = 1U << 31;
- if (inline_segment || bcnt <= pfault->mpfault.bytes_committed) {
- pfault->mpfault.bytes_committed -=
+ if (inline_segment || bcnt <= pfault->bytes_committed) {
+ pfault->bytes_committed -=
min_t(size_t, bcnt,
- pfault->mpfault.bytes_committed);
+ pfault->bytes_committed);
continue;
}
- ret = pagefault_single_data_segment(qp, pfault, key, io_virt,
- bcnt, bytes_mapped);
+ ret = pagefault_single_data_segment(dev, key, io_virt, bcnt,
+ &pfault->bytes_committed,
+ bytes_mapped);
if (ret < 0)
break;
npages += ret;
@@ -378,17 +394,29 @@ static int pagefault_data_segments(struct mlx5_ib_qp *qp,
return ret < 0 ? ret : npages;
}
+static const u32 mlx5_ib_odp_opcode_cap[] = {
+ [MLX5_OPCODE_SEND] = IB_ODP_SUPPORT_SEND,
+ [MLX5_OPCODE_SEND_IMM] = IB_ODP_SUPPORT_SEND,
+ [MLX5_OPCODE_SEND_INVAL] = IB_ODP_SUPPORT_SEND,
+ [MLX5_OPCODE_RDMA_WRITE] = IB_ODP_SUPPORT_WRITE,
+ [MLX5_OPCODE_RDMA_WRITE_IMM] = IB_ODP_SUPPORT_WRITE,
+ [MLX5_OPCODE_RDMA_READ] = IB_ODP_SUPPORT_READ,
+ [MLX5_OPCODE_ATOMIC_CS] = IB_ODP_SUPPORT_ATOMIC,
+ [MLX5_OPCODE_ATOMIC_FA] = IB_ODP_SUPPORT_ATOMIC,
+};
+
/*
* Parse initiator WQE. Advances the wqe pointer to point at the
* scatter-gather list, and set wqe_end to the end of the WQE.
*/
static int mlx5_ib_mr_initiator_pfault_handler(
- struct mlx5_ib_qp *qp, struct mlx5_ib_pfault *pfault,
- void **wqe, void **wqe_end, int wqe_length)
+ struct mlx5_ib_dev *dev, struct mlx5_pagefault *pfault,
+ struct mlx5_ib_qp *qp, void **wqe, void **wqe_end, int wqe_length)
{
- struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.pd->device);
struct mlx5_wqe_ctrl_seg *ctrl = *wqe;
- u16 wqe_index = pfault->mpfault.wqe.wqe_index;
+ u16 wqe_index = pfault->wqe.wqe_index;
+ u32 transport_caps;
+ struct mlx5_base_av *av;
unsigned ds, opcode;
#if defined(DEBUG)
u32 ctrl_wqe_index, ctrl_qpn;
@@ -434,53 +462,49 @@ static int mlx5_ib_mr_initiator_pfault_handler(
opcode = be32_to_cpu(ctrl->opmod_idx_opcode) &
MLX5_WQE_CTRL_OPCODE_MASK;
+
switch (qp->ibqp.qp_type) {
case IB_QPT_RC:
- switch (opcode) {
- case MLX5_OPCODE_SEND:
- case MLX5_OPCODE_SEND_IMM:
- case MLX5_OPCODE_SEND_INVAL:
- if (!(dev->odp_caps.per_transport_caps.rc_odp_caps &
- IB_ODP_SUPPORT_SEND))
- goto invalid_transport_or_opcode;
- break;
- case MLX5_OPCODE_RDMA_WRITE:
- case MLX5_OPCODE_RDMA_WRITE_IMM:
- if (!(dev->odp_caps.per_transport_caps.rc_odp_caps &
- IB_ODP_SUPPORT_WRITE))
- goto invalid_transport_or_opcode;
- *wqe += sizeof(struct mlx5_wqe_raddr_seg);
- break;
- case MLX5_OPCODE_RDMA_READ:
- if (!(dev->odp_caps.per_transport_caps.rc_odp_caps &
- IB_ODP_SUPPORT_READ))
- goto invalid_transport_or_opcode;
- *wqe += sizeof(struct mlx5_wqe_raddr_seg);
- break;
- default:
- goto invalid_transport_or_opcode;
- }
+ transport_caps = dev->odp_caps.per_transport_caps.rc_odp_caps;
break;
case IB_QPT_UD:
- switch (opcode) {
- case MLX5_OPCODE_SEND:
- case MLX5_OPCODE_SEND_IMM:
- if (!(dev->odp_caps.per_transport_caps.ud_odp_caps &
- IB_ODP_SUPPORT_SEND))
- goto invalid_transport_or_opcode;
- *wqe += sizeof(struct mlx5_wqe_datagram_seg);
- break;
- default:
- goto invalid_transport_or_opcode;
- }
+ transport_caps = dev->odp_caps.per_transport_caps.ud_odp_caps;
break;
default:
-invalid_transport_or_opcode:
- mlx5_ib_err(dev, "ODP fault on QP of an unsupported opcode or transport. transport: 0x%x opcode: 0x%x.\n",
- qp->ibqp.qp_type, opcode);
+ mlx5_ib_err(dev, "ODP fault on QP of an unsupported transport 0x%x\n",
+ qp->ibqp.qp_type);
return -EFAULT;
}
+ if (unlikely(opcode >= sizeof(mlx5_ib_odp_opcode_cap) /
+ sizeof(mlx5_ib_odp_opcode_cap[0]) ||
+ !(transport_caps & mlx5_ib_odp_opcode_cap[opcode]))) {
+ mlx5_ib_err(dev, "ODP fault on QP of an unsupported opcode 0x%x\n",
+ opcode);
+ return -EFAULT;
+ }
+
+ if (qp->ibqp.qp_type != IB_QPT_RC) {
+ av = *wqe;
+ if (av->dqp_dct & be32_to_cpu(MLX5_WQE_AV_EXT))
+ *wqe += sizeof(struct mlx5_av);
+ else
+ *wqe += sizeof(struct mlx5_base_av);
+ }
+
+ switch (opcode) {
+ case MLX5_OPCODE_RDMA_WRITE:
+ case MLX5_OPCODE_RDMA_WRITE_IMM:
+ case MLX5_OPCODE_RDMA_READ:
+ *wqe += sizeof(struct mlx5_wqe_raddr_seg);
+ break;
+ case MLX5_OPCODE_ATOMIC_CS:
+ case MLX5_OPCODE_ATOMIC_FA:
+ *wqe += sizeof(struct mlx5_wqe_raddr_seg);
+ *wqe += sizeof(struct mlx5_wqe_atomic_seg);
+ break;
+ }
+
return 0;
}
@@ -489,10 +513,9 @@ invalid_transport_or_opcode:
* scatter-gather list, and set wqe_end to the end of the WQE.
*/
static int mlx5_ib_mr_responder_pfault_handler(
- struct mlx5_ib_qp *qp, struct mlx5_ib_pfault *pfault,
- void **wqe, void **wqe_end, int wqe_length)
+ struct mlx5_ib_dev *dev, struct mlx5_pagefault *pfault,
+ struct mlx5_ib_qp *qp, void **wqe, void **wqe_end, int wqe_length)
{
- struct mlx5_ib_dev *dev = to_mdev(qp->ibqp.pd->device);
struct mlx5_ib_wq *wq = &qp->rq;
int wqe_size = 1 << wq->wqe_shift;
@@ -529,70 +552,83 @@ invalid_transport_or_opcode:
return 0;
}
-static void mlx5_ib_mr_wqe_pfault_handler(struct mlx5_ib_qp *qp,
- struct mlx5_ib_pfault *pfault)