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authorLinus Torvalds <torvalds@linux-foundation.org>2021-04-10 00:26:51 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-10 00:26:51 +0200
commit4e04e7513b0fa2fe8966a1c83fb473f1667e2810 (patch)
tree96b7be4ff5e7d8b026c5d06c635cfece4ffb5cec /Documentation
parentMerge tag 'io_uring-5.12-2021-04-09' of git://git.kernel.dk/linux-block (diff)
parentnet: fix hangup on napi_disable for threaded napi (diff)
downloadlinux-4e04e7513b0fa2fe8966a1c83fb473f1667e2810.tar.xz
linux-4e04e7513b0fa2fe8966a1c83fb473f1667e2810.zip
Merge tag 'net-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski: "Networking fixes for 5.12-rc7, including fixes from can, ipsec, mac80211, wireless, and bpf trees. No scary regressions here or in the works, but small fixes for 5.12 changes keep coming. Current release - regressions: - virtio: do not pull payload in skb->head - virtio: ensure mac header is set in virtio_net_hdr_to_skb() - Revert "net: correct sk_acceptq_is_full()" - mptcp: revert "mptcp: provide subflow aware release function" - ethernet: lan743x: fix ethernet frame cutoff issue - dsa: fix type was not set for devlink port - ethtool: remove link_mode param and derive link params from driver - sched: htb: fix null pointer dereference on a null new_q - wireless: iwlwifi: Fix softirq/hardirq disabling in iwl_pcie_enqueue_hcmd() - wireless: iwlwifi: fw: fix notification wait locking - wireless: brcmfmac: p2p: Fix deadlock introduced by avoiding the rtnl dependency Current release - new code bugs: - napi: fix hangup on napi_disable for threaded napi - bpf: take module reference for trampoline in module - wireless: mt76: mt7921: fix airtime reporting and related tx hangs - wireless: iwlwifi: mvm: rfi: don't lock mvm->mutex when sending config command Previous releases - regressions: - rfkill: revert back to old userspace API by default - nfc: fix infinite loop, refcount & memory leaks in LLCP sockets - let skb_orphan_partial wake-up waiters - xfrm/compat: Cleanup WARN()s that can be user-triggered - vxlan, geneve: do not modify the shared tunnel info when PMTU triggers an ICMP reply - can: fix msg_namelen values depending on CAN_REQUIRED_SIZE - can: uapi: mark union inside struct can_frame packed - sched: cls: fix action overwrite reference counting - sched: cls: fix err handler in tcf_action_init() - ethernet: mlxsw: fix ECN marking in tunnel decapsulation - ethernet: nfp: Fix a use after free in nfp_bpf_ctrl_msg_rx - ethernet: i40e: fix receiving of single packets in xsk zero-copy mode - ethernet: cxgb4: avoid collecting SGE_QBASE regs during traffic Previous releases - always broken: - bpf: Refuse non-O_RDWR flags in BPF_OBJ_GET - bpf: Refcount task stack in bpf_get_task_stack - bpf, x86: Validate computation of branch displacements - ieee802154: fix many similar syzbot-found bugs - fix NULL dereferences in netlink attribute handling - reject unsupported operations on monitor interfaces - fix error handling in llsec_key_alloc() - xfrm: make ipv4 pmtu check honor ip header df - xfrm: make hash generation lock per network namespace - xfrm: esp: delete NETIF_F_SCTP_CRC bit from features for esp offload - ethtool: fix incorrect datatype in set_eee ops - xdp: fix xdp_return_frame() kernel BUG throw for page_pool memory model - openvswitch: fix send of uninitialized stack memory in ct limit reply Misc: - udp: add get handling for UDP_GRO sockopt" * tag 'net-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (182 commits) net: fix hangup on napi_disable for threaded napi net: hns3: Trivial spell fix in hns3 driver lan743x: fix ethernet frame cutoff issue net: ipv6: check for validity before dereferencing cfg->fc_nlinfo.nlh net: dsa: lantiq_gswip: Configure all remaining GSWIP_MII_CFG bits net: dsa: lantiq_gswip: Don't use PHY auto polling net: sched: sch_teql: fix null-pointer dereference ipv6: report errors for iftoken via netlink extack net: sched: fix err handler in tcf_action_init() net: sched: fix action overwrite reference counting Revert "net: sched: bump refcount for new action in ACT replace mode" ice: fix memory leak of aRFS after resuming from suspend i40e: Fix sparse warning: missing error code 'err' i40e: Fix sparse error: 'vsi->netdev' could be null i40e: Fix sparse error: uninitialized symbol 'ring' i40e: Fix sparse errors in i40e_txrx.c i40e: Fix parameters in aq_get_phy_register() nl80211: fix beacon head validation bpf, x86: Validate computation of branch displacements for x86-32 bpf, x86: Validate computation of branch displacements for x86-64 ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml2
-rw-r--r--Documentation/devicetree/bindings/net/ethernet-controller.yaml2
-rw-r--r--Documentation/devicetree/bindings/net/micrel-ksz90x1.txt96
-rw-r--r--Documentation/networking/ethtool-netlink.rst10
4 files changed, 101 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
index 79c38ea14237..13c26f23a820 100644
--- a/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
+++ b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
@@ -32,7 +32,7 @@ required:
- interrupts
- interrupt-names
-additionalProperties: false
+unevaluatedProperties: false
examples:
- |
diff --git a/Documentation/devicetree/bindings/net/ethernet-controller.yaml b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
index 4b7d1e5d003c..e8f04687a3e0 100644
--- a/Documentation/devicetree/bindings/net/ethernet-controller.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
@@ -49,7 +49,7 @@ properties:
description:
Reference to an nvmem node for the MAC address
- nvmem-cells-names:
+ nvmem-cell-names:
const: mac-address
phy-connection-type:
diff --git a/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt b/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
index b921731cd970..df9e844dd6bc 100644
--- a/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
+++ b/Documentation/devicetree/bindings/net/micrel-ksz90x1.txt
@@ -65,6 +65,71 @@ KSZ9031:
step is 60ps. The default value is the neutral setting, so setting
rxc-skew-ps=<0> actually results in -900 picoseconds adjustment.
+ The KSZ9031 hardware supports a range of skew values from negative to
+ positive, where the specific range is property dependent. All values
+ specified in the devicetree are offset by the minimum value so they
+ can be represented as positive integers in the devicetree since it's
+ difficult to represent a negative number in the devictree.
+
+ The following 5-bit values table apply to rxc-skew-ps and txc-skew-ps.
+
+ Pad Skew Value Delay (ps) Devicetree Value
+ ------------------------------------------------------
+ 0_0000 -900ps 0
+ 0_0001 -840ps 60
+ 0_0010 -780ps 120
+ 0_0011 -720ps 180
+ 0_0100 -660ps 240
+ 0_0101 -600ps 300
+ 0_0110 -540ps 360
+ 0_0111 -480ps 420
+ 0_1000 -420ps 480
+ 0_1001 -360ps 540
+ 0_1010 -300ps 600
+ 0_1011 -240ps 660
+ 0_1100 -180ps 720
+ 0_1101 -120ps 780
+ 0_1110 -60ps 840
+ 0_1111 0ps 900
+ 1_0000 60ps 960
+ 1_0001 120ps 1020
+ 1_0010 180ps 1080
+ 1_0011 240ps 1140
+ 1_0100 300ps 1200
+ 1_0101 360ps 1260
+ 1_0110 420ps 1320
+ 1_0111 480ps 1380
+ 1_1000 540ps 1440
+ 1_1001 600ps 1500
+ 1_1010 660ps 1560
+ 1_1011 720ps 1620
+ 1_1100 780ps 1680
+ 1_1101 840ps 1740
+ 1_1110 900ps 1800
+ 1_1111 960ps 1860
+
+ The following 4-bit values table apply to the txdX-skew-ps, rxdX-skew-ps
+ data pads, and the rxdv-skew-ps, txen-skew-ps control pads.
+
+ Pad Skew Value Delay (ps) Devicetree Value
+ ------------------------------------------------------
+ 0000 -420ps 0
+ 0001 -360ps 60
+ 0010 -300ps 120
+ 0011 -240ps 180
+ 0100 -180ps 240
+ 0101 -120ps 300
+ 0110 -60ps 360
+ 0111 0ps 420
+ 1000 60ps 480
+ 1001 120ps 540
+ 1010 180ps 600
+ 1011 240ps 660
+ 1100 300ps 720
+ 1101 360ps 780
+ 1110 420ps 840
+ 1111 480ps 900
+
Optional properties:
Maximum value of 1860, default value 900:
@@ -120,11 +185,21 @@ KSZ9131:
Examples:
+ /* Attach to an Ethernet device with autodetected PHY */
+ &enet {
+ rxc-skew-ps = <1800>;
+ rxdv-skew-ps = <0>;
+ txc-skew-ps = <1800>;
+ txen-skew-ps = <0>;
+ status = "okay";
+ };
+
+ /* Attach to an explicitly-specified PHY */
mdio {
phy0: ethernet-phy@0 {
- rxc-skew-ps = <3000>;
+ rxc-skew-ps = <1800>;
rxdv-skew-ps = <0>;
- txc-skew-ps = <3000>;
+ txc-skew-ps = <1800>;
txen-skew-ps = <0>;
reg = <0>;
};
@@ -133,3 +208,20 @@ Examples:
phy = <&phy0>;
phy-mode = "rgmii-id";
};
+
+References
+
+ Micrel ksz9021rl/rn Data Sheet, Revision 1.2. Dated 2/13/2014.
+ http://www.micrel.com/_PDF/Ethernet/datasheets/ksz9021rl-rn_ds.pdf
+
+ Micrel ksz9031rnx Data Sheet, Revision 2.1. Dated 11/20/2014.
+ http://www.micrel.com/_PDF/Ethernet/datasheets/KSZ9031RNX.pdf
+
+Notes:
+
+ Note that a previous version of the Micrel ksz9021rl/rn Data Sheet
+ was missing extended register 106 (transmit data pad skews), and
+ incorrectly specified the ps per step as 200ps/step instead of
+ 120ps/step. The latest update to this document reflects the latest
+ revision of the Micrel specification even though usage in the kernel
+ still reflects that incorrect document.
diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst
index 05073482db05..dc03ff884541 100644
--- a/Documentation/networking/ethtool-netlink.rst
+++ b/Documentation/networking/ethtool-netlink.rst
@@ -976,9 +976,9 @@ constraints on coalescing parameters and their values.
PAUSE_GET
-============
+=========
-Gets channel counts like ``ETHTOOL_GPAUSE`` ioctl request.
+Gets pause frame settings like ``ETHTOOL_GPAUSEPARAM`` ioctl request.
Request contents:
@@ -1007,7 +1007,7 @@ the statistics in the following structure:
Each member has a corresponding attribute defined.
PAUSE_SET
-============
+=========
Sets pause parameters like ``ETHTOOL_GPAUSEPARAM`` ioctl request.
@@ -1024,7 +1024,7 @@ Request contents:
EEE_GET
=======
-Gets channel counts like ``ETHTOOL_GEEE`` ioctl request.
+Gets Energy Efficient Ethernet settings like ``ETHTOOL_GEEE`` ioctl request.
Request contents:
@@ -1054,7 +1054,7 @@ first 32 are provided by the ``ethtool_ops`` callback.
EEE_SET
=======
-Sets pause parameters like ``ETHTOOL_GEEEPARAM`` ioctl request.
+Sets Energy Efficient Ethernet parameters like ``ETHTOOL_SEEE`` ioctl request.
Request contents: