Merge tag 'net-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Networking fixes for 5.10-rc6, including fixes from the WiFi driver,
  and CAN subtrees.

  Current release - regressions:

   - gro_cells: reduce number of synchronize_net() calls

   - ch_ktls: release a lock before jumping to an error path

  Current release - always broken:

   - tcp: Allow full IP tos/IPv6 tclass to be reflected in L3 header

  Previous release - regressions:

   - net/tls: fix missing received data after fast remote close

   - vsock/virtio: discard packets only when socket is really closed

   - sock: set sk_err to ee_errno on dequeue from errq

   - cxgb4: fix the panic caused by non smac rewrite

  Previous release - always broken:

   - tcp: fix corner cases around setting ECN with BPF selection of
     congestion control

   - tcp: fix race condition when creating child sockets from syncookies
     on loopback interface

   - usbnet: ipheth: fix connectivity with iOS 14

   - tun: honor IOCB_NOWAIT flag

   - net/packet: fix packet receive on L3 devices without visible hard
     header

   - devlink: Make sure devlink instance and port are in same net
     namespace

   - net: openvswitch: fix TTL decrement action netlink message format

   - bonding: wait for sysfs kobject destruction before freeing struct
     slave

   - net: stmmac: fix upstream patch applied to the wrong context

   - bnxt_en: fix return value and unwind in probe error paths

  Misc:

   - devlink: add extra layer of categorization to the reload stats uAPI
     before it's released"

* tag 'net-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits)
  sock: set sk_err to ee_errno on dequeue from errq
  mptcp: fix NULL ptr dereference on bad MPJ
  net: openvswitch: fix TTL decrement action netlink message format
  can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check
  can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0
  can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
  can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
  can: mcp251xfd: mcp251xfd_probe(): bail out if no IRQ was given
  can: gs_usb: fix endianess problem with candleLight firmware
  ch_ktls: lock is not freed
  net/tls: Protect from calling tls_dev_del for TLS RX twice
  devlink: Make sure devlink instance and port are in same net namespace
  devlink: Hold rtnl lock while reading netdev attributes
  ptp: clockmatrix: bug fix for idtcm_strverscmp
  enetc: Let the hardware auto-advance the taprio base-time of 0
  gro_cells: reduce number of synchronize_net() calls
  net: stmmac: fix incorrect merge of patch upstream
  ipv6: addrlabel: fix possible memory leak in ip6addrlbl_net_init
  Documentation: netdev-FAQ: suggest how to post co-dependent series
  ibmvnic: enhance resetting status check during module exit
  ...

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 964b494b0e8d..fa275a054f46 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3137,6 +3137,11 @@ static inline bool dev_validate_header(const struct net_device *dev,
 	return false;
 }
 
+static inline bool dev_has_header(const struct net_device *dev)
+{
+	return dev->header_ops && dev->header_ops->create;
+}
+
 typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr,
 			   int len, int size);
 int register_gifconf(unsigned int family, gifconf_func_t *gifconf);