be9eddd9de
Changes in 4.9.181
ipv6: Consider sk_bound_dev_if when binding a raw socket to an address
llc: fix skb leak in llc_build_and_send_ui_pkt()
net: fec: fix the clk mismatch in failed_reset path
net-gro: fix use-after-free read in napi_gro_frags()
net: stmmac: fix reset gpio free missing
usbnet: fix kernel crash after disconnect
tipc: Avoid copying bytes beyond the supplied data
bnxt_en: Fix aggregation buffer leak under OOM condition.
ipv4/igmp: fix another memory leak in igmpv3_del_delrec()
ipv4/igmp: fix build error if !CONFIG_IP_MULTICAST
net: dsa: mv88e6xxx: fix handling of upper half of STATS_TYPE_PORT
net: mvneta: Fix err code path of probe
net: mvpp2: fix bad MVPP2_TXQ_SCHED_TOKEN_CNTR_REG queue value
crypto: vmx - ghash: do nosimd fallback manually
xen/pciback: Don't disable PCI_COMMAND on PCI device reset.
Revert "tipc: fix modprobe tipc failed after switch order of device registration"
tipc: fix modprobe tipc failed after switch order of device registration
sparc64: Fix regression in non-hypervisor TLB flush xcall
include/linux/bitops.h: sanitize rotate primitives
xhci: update bounce buffer with correct sg num
xhci: Use %zu for printing size_t type
xhci: Convert xhci_handshake() to use readl_poll_timeout_atomic()
usb: xhci: avoid null pointer deref when bos field is NULL
usbip: usbip_host: fix BUG: sleeping function called from invalid context
usbip: usbip_host: fix stub_dev lock context imbalance regression
USB: Fix slab-out-of-bounds write in usb_get_bos_descriptor
USB: sisusbvga: fix oops in error path of sisusb_probe
USB: Add LPM quirk for Surface Dock GigE adapter
USB: rio500: refuse more than one device at a time
USB: rio500: fix memory leak in close after disconnect
media: usb: siano: Fix general protection fault in smsusb
media: usb: siano: Fix false-positive "uninitialized variable" warning
media: smsusb: better handle optional alignment
scsi: zfcp: fix missing zfcp_port reference put on -EBUSY from port_remove
scsi: zfcp: fix to prevent port_remove with pure auto scan LUNs (only sdevs)
Btrfs: fix race updating log root item during fsync
powerpc/perf: Fix MMCRA corruption by bhrb_filter
ALSA: hda/realtek - Set default power save node to 0
drm/nouveau/i2c: Disable i2c bus access after ->fini()
tty: serial: msm_serial: Fix XON/XOFF
tty: max310x: Fix external crystal register setup
memcg: make it work on sparse non-0-node systems
kernel/signal.c: trace_signal_deliver when signal_group_exit
docs: Fix conf.py for Sphinx 2.0
staging: vc04_services: prevent integer overflow in create_pagelist()
CIFS: cifs_read_allocate_pages: don't iterate through whole page array on ENOMEM
gcc-plugins: Fix build failures under Darwin host
drm/vmwgfx: Don't send drm sysfs hotplug events on initial master set
brcmfmac: add length checks in scheduled scan result handler
brcmfmac: assure SSID length from firmware is limited
brcmfmac: add subtype check for event handling in data path
binder: Replace "%p" with "%pK" for stable
binder: replace "%p" with "%pK"
fs: prevent page refcount overflow in pipe_buf_get
mm, gup: remove broken VM_BUG_ON_PAGE compound check for hugepages
mm, gup: ensure real head page is ref-counted when using hugepages
mm: prevent get_user_pages() from overflowing page refcount
mm: make page ref count overflow check tighter and more explicit
Revert "x86/build: Move _etext to actual end of .text"
efi/libstub: Unify command line param parsing
media: uvcvideo: Fix uvc_alloc_entity() allocation alignment
ethtool: fix potential userspace buffer overflow
neighbor: Call __ipv4_neigh_lookup_noref in neigh_xmit
net/mlx4_en: ethtool, Remove unsupported SFP EEPROM high pages query
net: rds: fix memory leak in rds_ib_flush_mr_pool
pktgen: do not sleep with the thread lock held.
ipv6: fix EFAULT on sendto with icmpv6 and hdrincl
ipv6: use READ_ONCE() for inet->hdrincl as in ipv4
Revert "fib_rules: fix error in backport of e9919a24d302 ("fib_rules: return 0...")"
Revert "fib_rules: return 0 directly if an exactly same rule exists when NLM_F_EXCL not supplied"
rcu: locking and unlocking need to always be at least barriers
parisc: Use implicit space register selection for loading the coherence index of I/O pdirs
fuse: fallocate: fix return with locked inode
x86/power: Fix 'nosmt' vs hibernation triple fault during resume
MIPS: pistachio: Build uImage.gz by default
Revert "MIPS: perf: ath79: Fix perfcount IRQ assignment"
genwqe: Prevent an integer overflow in the ioctl
drm/gma500/cdv: Check vbt config bits when detecting lvds panels
drm/radeon: prefer lower reference dividers
drm/i915: Fix I915_EXEC_RING_MASK
TTY: serial_core, add ->install
fs: stream_open - opener for stream-like files so that read and write can run simultaneously without deadlock
fuse: Add FOPEN_STREAM to use stream_open()
ipv4: Define __ipv4_neigh_lookup_noref when CONFIG_INET is disabled
ethtool: check the return value of get_regs_len
Linux 4.9.181
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/*
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* llc_output.c - LLC minimal output path
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*
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* Copyright (c) 1997 by Procom Technology, Inc.
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* 2001-2003 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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*
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* This program can be redistributed or modified under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation.
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* This program is distributed without any warranty or implied warranty
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* of merchantability or fitness for a particular purpose.
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*
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* See the GNU General Public License version 2 for more details.
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*/
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#include <linux/if_arp.h>
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#include <linux/netdevice.h>
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#include <linux/skbuff.h>
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#include <linux/export.h>
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#include <net/llc.h>
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#include <net/llc_pdu.h>
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/**
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* llc_mac_hdr_init - fills MAC header fields
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* @skb: Address of the frame to initialize its MAC header
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* @sa: The MAC source address
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* @da: The MAC destination address
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*
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* Fills MAC header fields, depending on MAC type. Returns 0, If MAC type
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* is a valid type and initialization completes correctly 1, otherwise.
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*/
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int llc_mac_hdr_init(struct sk_buff *skb,
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const unsigned char *sa, const unsigned char *da)
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{
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int rc = -EINVAL;
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switch (skb->dev->type) {
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case ARPHRD_ETHER:
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case ARPHRD_LOOPBACK:
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rc = dev_hard_header(skb, skb->dev, ETH_P_802_2, da, sa,
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skb->len);
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if (rc > 0)
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rc = 0;
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break;
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default:
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break;
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}
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return rc;
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}
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/**
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* llc_build_and_send_ui_pkt - unitdata request interface for upper layers
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* @sap: sap to use
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* @skb: packet to send
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* @dmac: destination mac address
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* @dsap: destination sap
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*
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* Upper layers calls this function when upper layer wants to send data
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* using connection-less mode communication (UI pdu).
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*
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* Accept data frame from network layer to be sent using connection-
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* less mode communication; timeout/retries handled by network layer;
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* package primitive as an event and send to SAP event handler
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*/
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int llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb,
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unsigned char *dmac, unsigned char dsap)
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{
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int rc;
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llc_pdu_header_init(skb, LLC_PDU_TYPE_U, sap->laddr.lsap,
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dsap, LLC_PDU_CMD);
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llc_pdu_init_as_ui_cmd(skb);
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rc = llc_mac_hdr_init(skb, skb->dev->dev_addr, dmac);
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if (likely(!rc))
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rc = dev_queue_xmit(skb);
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else
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kfree_skb(skb);
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return rc;
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}
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EXPORT_SYMBOL(llc_mac_hdr_init);
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EXPORT_SYMBOL(llc_build_and_send_ui_pkt);
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