eabebf2314
Changes in 4.9.199
dm snapshot: use mutex instead of rw_semaphore
dm snapshot: introduce account_start_copy() and account_end_copy()
dm snapshot: rework COW throttling to fix deadlock
dm: Use kzalloc for all structs with embedded biosets/mempools
sc16is7xx: Fix for "Unexpected interrupt: 8"
HID: i2c-hid: add Direkt-Tek DTLAPY133-1 to descriptor override
x86/cpu: Add Atom Tremont (Jacobsville)
HID: i2c-hid: Add Odys Winbook 13 to descriptor override
scripts/setlocalversion: Improve -dirty check with git-status --no-optional-locks
usb: handle warm-reset port requests on hub resume
rtc: pcf8523: set xtal load capacitance from DT
exec: load_script: Do not exec truncated interpreter path
iio: fix center temperature of bmc150-accel-core
perf map: Fix overlapped map handling
perf jevents: Fix period for Intel fixed counters
staging: rtl8188eu: fix null dereference when kzalloc fails
RDMA/iwcm: Fix a lock inversion issue
gpio: max77620: Use correct unit for debounce times
fs: cifs: mute -Wunused-const-variable message
serial: mctrl_gpio: Check for NULL pointer
efi/cper: Fix endianness of PCIe class code
efi/x86: Do not clean dummy variable in kexec path
ocfs2: clear zero in unaligned direct IO
fs: ocfs2: fix possible null-pointer dereferences in ocfs2_xa_prepare_entry()
fs: ocfs2: fix a possible null-pointer dereference in ocfs2_write_end_nolock()
fs: ocfs2: fix a possible null-pointer dereference in ocfs2_info_scan_inode_alloc()
MIPS: fw: sni: Fix out of bounds init of o32 stack
NFSv4: Fix leak of clp->cl_acceptor string
s390/uaccess: avoid (false positive) compiler warnings
tracing: Initialize iter->seq after zeroing in tracing_read_pipe()
USB: legousbtower: fix a signedness bug in tower_probe()
thunderbolt: Use 32-bit writes when writing ring producer/consumer
ath6kl: fix a NULL-ptr-deref bug in ath6kl_usb_alloc_urb_from_pipe()
fuse: flush dirty data/metadata before non-truncate setattr
fuse: truncate pending writes on O_TRUNC
ALSA: bebob: Fix prototype of helper function to return negative value
UAS: Revert commit 3ae62a42090f ("UAS: fix alignment of scatter/gather segments")
USB: gadget: Reject endpoints with 0 maxpacket value
usb-storage: Revert commit 747668dbc061 ("usb-storage: Set virt_boundary_mask to avoid SG overflows")
USB: ldusb: fix ring-buffer locking
USB: ldusb: fix control-message timeout
USB: serial: whiteheat: fix potential slab corruption
USB: serial: whiteheat: fix line-speed endianness
HID: i2c-hid: add Trekstor Primebook C11B to descriptor override
HID: Fix assumption that devices have inputs
HID: fix error message in hid_open_report()
nl80211: fix validation of mesh path nexthop
s390/cmm: fix information leak in cmm_timeout_handler()
rtlwifi: Fix potential overflow on P2P code
dmaengine: cppi41: Fix cppi41_dma_prep_slave_sg() when idle
llc: fix sk_buff leak in llc_sap_state_process()
llc: fix sk_buff leak in llc_conn_service()
bonding: fix potential NULL deref in bond_update_slave_arr
net: usb: sr9800: fix uninitialized local variable
sch_netem: fix rcu splat in netem_enqueue()
sctp: fix the issue that flags are ignored when using kernel_connect
sctp: not bind the socket in sctp_connect
xfs: Correctly invert xfs_buftarg LRU isolation logic
ALSA: timer: Follow standard EXPORT_SYMBOL() declarations
ALSA: timer: Limit max instances per timer
ALSA: timer: Simplify error path in snd_timer_open()
ALSA: timer: Fix mutex deadlock at releasing card
Revert "ALSA: hda: Flush interrupts on disabling"
Linux 4.9.199
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
120 lines
4.1 KiB
C
120 lines
4.1 KiB
C
#ifndef LLC_CONN_H
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#define LLC_CONN_H
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/*
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* Copyright (c) 1997 by Procom Technology, Inc.
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* 2001, 2002 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 as published by the Free Software 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 for more details.
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*/
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#include <linux/timer.h>
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#include <net/llc_if.h>
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#include <net/sock.h>
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#include <linux/llc.h>
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#define LLC_EVENT 1
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#define LLC_PACKET 2
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#define LLC2_P_TIME 2
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#define LLC2_ACK_TIME 1
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#define LLC2_REJ_TIME 3
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#define LLC2_BUSY_TIME 3
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struct llc_timer {
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struct timer_list timer;
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unsigned long expire; /* timer expire time */
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};
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struct llc_sock {
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/* struct sock must be the first member of llc_sock */
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struct sock sk;
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struct sockaddr_llc addr; /* address sock is bound to */
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u8 state; /* state of connection */
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struct llc_sap *sap; /* pointer to parent SAP */
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struct llc_addr laddr; /* lsap/mac pair */
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struct llc_addr daddr; /* dsap/mac pair */
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struct net_device *dev; /* device to send to remote */
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u32 copied_seq; /* head of yet unread data */
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u8 retry_count; /* number of retries */
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u8 ack_must_be_send;
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u8 first_pdu_Ns;
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u8 npta;
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struct llc_timer ack_timer;
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struct llc_timer pf_cycle_timer;
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struct llc_timer rej_sent_timer;
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struct llc_timer busy_state_timer; /* ind busy clr at remote LLC */
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u8 vS; /* seq# next in-seq I-PDU tx'd*/
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u8 vR; /* seq# next in-seq I-PDU rx'd*/
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u32 n2; /* max nbr re-tx's for timeout*/
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u32 n1; /* max nbr octets in I PDU */
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u8 k; /* tx window size; max = 127 */
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u8 rw; /* rx window size; max = 127 */
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u8 p_flag; /* state flags */
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u8 f_flag;
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u8 s_flag;
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u8 data_flag;
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u8 remote_busy_flag;
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u8 cause_flag;
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struct sk_buff_head pdu_unack_q; /* PUDs sent/waiting ack */
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u16 link; /* network layer link number */
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u8 X; /* a temporary variable */
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u8 ack_pf; /* this flag indicates what is
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the P-bit of acknowledge */
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u8 failed_data_req; /* recognize that already exist a
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failed llc_data_req_handler
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(tx_buffer_full or unacceptable
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state */
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u8 dec_step;
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u8 inc_cntr;
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u8 dec_cntr;
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u8 connect_step;
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u8 last_nr; /* NR of last pdu received */
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u32 rx_pdu_hdr; /* used for saving header of last pdu
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received and caused sending FRMR.
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Used for resending FRMR */
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u32 cmsg_flags;
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struct hlist_node dev_hash_node;
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};
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static inline struct llc_sock *llc_sk(const struct sock *sk)
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{
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return (struct llc_sock *)sk;
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}
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static __inline__ void llc_set_backlog_type(struct sk_buff *skb, char type)
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{
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skb->cb[sizeof(skb->cb) - 1] = type;
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}
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static __inline__ char llc_backlog_type(struct sk_buff *skb)
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{
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return skb->cb[sizeof(skb->cb) - 1];
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}
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struct sock *llc_sk_alloc(struct net *net, int family, gfp_t priority,
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struct proto *prot, int kern);
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void llc_sk_stop_all_timers(struct sock *sk, bool sync);
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void llc_sk_free(struct sock *sk);
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void llc_sk_reset(struct sock *sk);
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/* Access to a connection */
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int llc_conn_state_process(struct sock *sk, struct sk_buff *skb);
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void llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb);
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void llc_conn_rtn_pdu(struct sock *sk, struct sk_buff *skb);
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void llc_conn_resend_i_pdu_as_cmd(struct sock *sk, u8 nr, u8 first_p_bit);
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void llc_conn_resend_i_pdu_as_rsp(struct sock *sk, u8 nr, u8 first_f_bit);
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int llc_conn_remove_acked_pdus(struct sock *conn, u8 nr, u16 *how_many_unacked);
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struct sock *llc_lookup_established(struct llc_sap *sap, struct llc_addr *daddr,
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struct llc_addr *laddr);
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void llc_sap_add_socket(struct llc_sap *sap, struct sock *sk);
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void llc_sap_remove_socket(struct llc_sap *sap, struct sock *sk);
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u8 llc_data_accept_state(u8 state);
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void llc_build_offset_table(void);
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#endif /* LLC_CONN_H */
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