cregit-Linux how code gets into the kernel

Release 4.11 net/tipc/msg.h

Directory: net/tipc
/*
 * net/tipc/msg.h: Include file for TIPC message header routines
 *
 * Copyright (c) 2000-2007, 2014-2015 Ericsson AB
 * Copyright (c) 2005-2008, 2010-2011, Wind River Systems
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the names of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _TIPC_MSG_H

#define _TIPC_MSG_H

#include <linux/tipc.h>
#include "core.h"

/*
 * Constants and routines used to read and write TIPC payload message headers
 *
 * Note: Some items are also used with TIPC internal message headers
 */

#define TIPC_VERSION              2
struct plist;

/*
 * Payload message users are defined in TIPC's public API:
 * - TIPC_LOW_IMPORTANCE
 * - TIPC_MEDIUM_IMPORTANCE
 * - TIPC_HIGH_IMPORTANCE
 * - TIPC_CRITICAL_IMPORTANCE
 */

#define TIPC_SYSTEM_IMPORTANCE	4


/*
 * Payload message types
 */

#define TIPC_CONN_MSG		0

#define TIPC_MCAST_MSG		1

#define TIPC_NAMED_MSG		2

#define TIPC_DIRECT_MSG		3

/*
 * Internal message users
 */

#define  BCAST_PROTOCOL       5

#define  MSG_BUNDLER          6

#define  LINK_PROTOCOL        7

#define  CONN_MANAGER         8

#define  TUNNEL_PROTOCOL      10

#define  NAME_DISTRIBUTOR     11

#define  MSG_FRAGMENTER       12

#define  LINK_CONFIG          13

#define  SOCK_WAKEUP          14       
/* pseudo user */

/*
 * Message header sizes
 */

#define SHORT_H_SIZE              24	
/* In-cluster basic payload message */

#define BASIC_H_SIZE              32	
/* Basic payload message */

#define NAMED_H_SIZE              40	
/* Named payload message */

#define MCAST_H_SIZE              44	
/* Multicast payload message */

#define INT_H_SIZE                40	
/* Internal messages */

#define MIN_H_SIZE                24	
/* Smallest legal TIPC header size */

#define MAX_H_SIZE                60	
/* Largest possible TIPC header size */


#define MAX_MSG_SIZE (MAX_H_SIZE + TIPC_MAX_USER_MSG_SIZE)


#define TIPC_MEDIA_INFO_OFFSET	5


struct tipc_skb_cb {
	
u32 bytes_read;
	
struct sk_buff *tail;
	
bool validated;
	
u16 chain_imp;
	
u16 ackers;
};


#define TIPC_SKB_CB(__skb) ((struct tipc_skb_cb *)&((__skb)->cb[0]))


struct tipc_msg {
	
__be32 hdr[15];
};


static inline struct tipc_msg *buf_msg(struct sk_buff *skb) { return (struct tipc_msg *)skb->data; }

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static inline u32 msg_word(struct tipc_msg *m, u32 pos) { return ntohl(m->hdr[pos]); }

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static inline void msg_set_word(struct tipc_msg *m, u32 w, u32 val) { m->hdr[w] = htonl(val); }

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static inline u32 msg_bits(struct tipc_msg *m, u32 w, u32 pos, u32 mask) { return (msg_word(m, w) >> pos) & mask; }

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static inline void msg_set_bits(struct tipc_msg *m, u32 w, u32 pos, u32 mask, u32 val) { val = (val & mask) << pos; mask = mask << pos; m->hdr[w] &= ~htonl(mask); m->hdr[w] |= htonl(val); }

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static inline void msg_swap_words(struct tipc_msg *msg, u32 a, u32 b) { u32 temp = msg->hdr[a]; msg->hdr[a] = msg->hdr[b]; msg->hdr[b] = temp; }

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/* * Word 0 */
static inline u32 msg_version(struct tipc_msg *m) { return msg_bits(m, 0, 29, 7); }

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static inline void msg_set_version(struct tipc_msg *m) { msg_set_bits(m, 0, 29, 7, TIPC_VERSION); }

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static inline u32 msg_user(struct tipc_msg *m) { return msg_bits(m, 0, 25, 0xf); }

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static inline u32 msg_isdata(struct tipc_msg *m) { return msg_user(m) <= TIPC_CRITICAL_IMPORTANCE; }

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static inline void msg_set_user(struct tipc_msg *m, u32 n) { msg_set_bits(m, 0, 25, 0xf, n); }

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static inline u32 msg_hdr_sz(struct tipc_msg *m) { return msg_bits(m, 0, 21, 0xf) << 2; }

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static inline void msg_set_hdr_sz(struct tipc_msg *m, u32 n) { msg_set_bits(m, 0, 21, 0xf, n>>2); }

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static inline u32 msg_size(struct tipc_msg *m) { return msg_bits(m, 0, 0, 0x1ffff); }

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static inline u32 msg_data_sz(struct tipc_msg *m) { return msg_size(m) - msg_hdr_sz(m); }

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static inline int msg_non_seq(struct tipc_msg *m) { return msg_bits(m, 0, 20, 1); }

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static inline void msg_set_non_seq(struct tipc_msg *m, u32 n) { msg_set_bits(m, 0, 20, 1, n); }

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static inline int msg_dest_droppable(struct tipc_msg *m) { return msg_bits(m, 0, 19, 1); }

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static inline void msg_set_dest_droppable(struct tipc_msg *m, u32 d) { msg_set_bits(m, 0, 19, 1, d); }

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static inline int msg_src_droppable(struct tipc_msg *m) { return msg_bits(m, 0, 18, 1); }

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static inline void msg_set_src_droppable(struct tipc_msg *m, u32 d) { msg_set_bits(m, 0, 18, 1, d); }

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static inline void msg_set_size(struct tipc_msg *m, u32 sz) { m->hdr[0] = htonl((msg_word(m, 0) & ~0x1ffff) | sz); }

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static inline unchar *msg_data(struct tipc_msg *m) { return ((unchar *)m) + msg_hdr_sz(m); }

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static inline struct tipc_msg *msg_get_wrapped(struct tipc_msg *m) { return (struct tipc_msg *)msg_data(m); }

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/* * Word 1 */
static inline u32 msg_type(struct tipc_msg *m) { return msg_bits(m, 1, 29, 0x7); }

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static inline void msg_set_type(struct tipc_msg *m, u32 n) { msg_set_bits(m, 1, 29, 0x7, n); }

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static inline u32 msg_named(struct tipc_msg *m) { return msg_type(m) == TIPC_NAMED_MSG; }

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static inline u32 msg_mcast(struct tipc_msg *m) { return msg_type(m) == TIPC_MCAST_MSG; }

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static inline u32 msg_connected(struct tipc_msg *m) { return msg_type(m) == TIPC_CONN_MSG; }

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static inline u32 msg_errcode(struct tipc_msg *m) { return msg_bits(m, 1, 25, 0xf); }

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static inline void msg_set_errcode(struct tipc_msg *m, u32 err) { msg_set_bits(m, 1, 25, 0xf, err); }

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static inline u32 msg_reroute_cnt(struct tipc_msg *m) { return msg_bits(m, 1, 21, 0xf); }

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static inline void msg_incr_reroute_cnt(struct tipc_msg *m) { msg_set_bits(m, 1, 21, 0xf, msg_reroute_cnt(m) + 1); }

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static inline void msg_reset_reroute_cnt(struct tipc_msg *m) { msg_set_bits(m, 1, 21, 0xf, 0); }

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static inline u32 msg_lookup_scope(struct tipc_msg *m) { return msg_bits(m, 1, 19, 0x3); }

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static inline void msg_set_lookup_scope(struct tipc_msg *m, u32 n) { msg_set_bits(m, 1, 19, 0x3, n); }

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static inline u16 msg_bcast_ack(struct tipc_msg *m) { return msg_bits(m, 1, 0, 0xffff); }

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static inline void msg_set_bcast_ack(struct tipc_msg *m, u16 n) { msg_set_bits(m, 1, 0, 0xffff, n); }

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/* * Word 2 */
static inline u16 msg_ack(struct tipc_msg *m) { return msg_bits(m, 2, 16, 0xffff); }

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static inline void msg_set_ack(struct tipc_msg *m, u16 n) { msg_set_bits(m, 2, 16, 0xffff, n); }

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static inline u16 msg_seqno(struct tipc_msg *m) { return msg_bits(m, 2, 0, 0xffff); }

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static inline void msg_set_seqno(struct tipc_msg *m, u16 n) { msg_set_bits(m, 2, 0, 0xffff, n); }

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/* * Words 3-10 */
static inline u32 msg_importance(struct tipc_msg *m) { int usr = msg_user(m); if (likely((usr <= TIPC_CRITICAL_IMPORTANCE) && !msg_errcode(m))) return usr; if ((usr == MSG_FRAGMENTER) || (usr == MSG_BUNDLER)) return msg_bits(m, 9, 0, 0x7); return TIPC_SYSTEM_IMPORTANCE; }

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static inline void msg_set_importance(struct tipc_msg *m, u32 i) { int usr = msg_user(m); if (likely((usr == MSG_FRAGMENTER) || (usr == MSG_BUNDLER))) msg_set_bits(m, 9, 0, 0x7, i); else if (i < TIPC_SYSTEM_IMPORTANCE) msg_set_user(m, i); else pr_warn("Trying to set illegal importance in message\n"); }

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static inline u32 msg_prevnode(struct tipc_msg *m) { return msg_word(m, 3); }

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static inline void msg_set_prevnode(struct tipc_msg *m, u32 a) { msg_set_word(m, 3, a); }

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static inline u32 msg_origport(struct tipc_msg *m) { if (msg_user(m) == MSG_FRAGMENTER) m = msg_get_wrapped(m); return msg_word(m, 4); }

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static inline void msg_set_origport(struct tipc_msg *m, u32 p) { msg_set_word(m, 4, p); }

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static inline u32 msg_destport(struct tipc_msg *m) { return msg_word(m, 5); }

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static inline void msg_set_destport(struct tipc_msg *m, u32 p) { msg_set_word(m, 5, p); }

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static inline u32 msg_mc_netid(struct tipc_msg *m) { return msg_word(m, 5); }

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static inline void msg_set_mc_netid(struct tipc_msg *m, u32 p) { msg_set_word(m, 5, p); }

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static inline int msg_short(struct tipc_msg *m) { return msg_hdr_sz(m) == SHORT_H_SIZE; }

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static inline u32 msg_orignode(struct tipc_msg *m) { if (likely(msg_short(m))) return msg_prevnode(m); return msg_word(m, 6); }

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static inline void msg_set_orignode(struct tipc_msg *m, u32 a) { msg_set_word(m, 6, a); }

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static inline u32 msg_destnode(struct tipc_msg *m) { return msg_word(m, 7); }

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static inline void msg_set_destnode(struct tipc_msg *m, u32 a) { msg_set_word(m, 7, a); }

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static inline u32 msg_nametype(struct tipc_msg *m) { return msg_word(m, 8); }

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static inline void msg_set_nametype(struct tipc_msg *m, u32 n) { msg_set_word(m, 8, n); }

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static inline u32 msg_nameinst(struct tipc_msg *m) { return msg_word(m, 9); }

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static inline u32 msg_namelower(struct tipc_msg *m) { return msg_nameinst(m); }

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static inline void msg_set_namelower(struct tipc_msg *m, u32 n) { msg_set_word(m, 9, n); }

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static inline void msg_set_nameinst(struct tipc_msg *m, u32 n) { msg_set_namelower(m, n); }

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static inline u32 msg_nameupper(struct tipc_msg *m) { return msg_word(m, 10); }

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static inline void msg_set_nameupper(struct tipc_msg *m, u32 n) { msg_set_word(m, 10, n); }

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/* * Constants and routines used to read and write TIPC internal message headers */ /* * Connection management protocol message types */ #define CONN_PROBE 0 #define CONN_PROBE_REPLY 1 #define CONN_ACK 2 /* * Name distributor message types */ #define PUBLICATION 0 #define WITHDRAWAL 1 /* * Segmentation message types */ #define FIRST_FRAGMENT 0 #define FRAGMENT 1 #define LAST_FRAGMENT 2 /* * Link management protocol message types */ #define STATE_MSG 0 #define RESET_MSG 1 #define ACTIVATE_MSG 2 /* * Changeover tunnel message types */ #define SYNCH_MSG 0 #define FAILOVER_MSG 1 /* * Config protocol message types */ #define DSC_REQ_MSG 0 #define DSC_RESP_MSG 1 /* * Word 1 */
static inline u32 msg_seq_gap(struct tipc_msg *m) { return msg_bits(m, 1, 16, 0x1fff); }

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static inline void msg_set_seq_gap(struct tipc_msg *m, u32 n) { msg_set_bits(m, 1, 16, 0x1fff, n); }

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static inline u32 msg_node_sig(struct tipc_msg *m) { return msg_bits(m, 1, 0, 0xffff); }

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static inline void msg_set_node_sig(struct tipc_msg *m, u32 n) { msg_set_bits(m, 1, 0, 0xffff, n); }

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static inline u32 msg_node_capabilities(struct tipc_msg *m) { return msg_bits(m, 1, 15, 0x1fff); }

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static inline void msg_set_node_capabilities(struct tipc_msg *m, u32 n) { msg_set_bits(m, 1, 15, 0x1fff, n); }

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/* * Word 2 */
static inline u32 msg_dest_domain(struct tipc_msg *m) { return msg_word(m, 2); }

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static inline void msg_set_dest_domain(struct tipc_msg *m, u32 n) { msg_set_word(m, 2, n); }

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static inline u32 msg_bcgap_after(struct tipc_msg *m) { return msg_bits(m, 2, 16, 0xffff); }

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static inline void msg_set_bcgap_after(struct tipc_msg *m, u32 n) { msg_set_bits(m, 2, 16, 0xffff, n); }

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static inline u32 msg_bcgap_to(struct tipc_msg *m) { return msg_bits(m, 2, 0, 0xffff); }

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static inline void msg_set_bcgap_to(struct tipc_msg *m, u32 n) { msg_set_bits(m, 2, 0, 0xffff, n); }

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/* * Word 4 */
static inline u32 msg_last_bcast(struct tipc_msg *m) { return msg_bits(m, 4, 16, 0xffff); }

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Total24100.00%1100.00%


static inline u32 msg_bc_snd_nxt(struct tipc_msg *m) { return msg_last_bcast(m) + 1; }

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Jon Paul Maloy20100.00%1100.00%
Total20100.00%1100.00%


static inline void msg_set_last_bcast(struct tipc_msg *m, u32 n) { msg_set_bits(m, 4, 16, 0xffff, n); }

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Per Liden28100.00%1100.00%
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static inline void msg_set_fragm_no(struct tipc_msg *m, u32 n) { msg_set_bits(m, 4, 16, 0xffff, n); }

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Per Liden28100.00%1100.00%
Total28100.00%1100.00%


static inline u16 msg_next_sent(struct tipc_msg *m) { return msg_bits(m, 4, 0, 0xffff); }

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PersonTokensPropCommitsCommitProp
Per Liden2395.83%150.00%
Jon Paul Maloy14.17%150.00%
Total24100.00%2100.00%


static inline void msg_set_next_sent(struct tipc_msg *m, u16 n) { msg_set_bits(m, 4, 0, 0xffff, n); }

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PersonTokensPropCommitsCommitProp
Per Liden2796.43%150.00%
Jon Paul Maloy13.57%150.00%
Total28100.00%2100.00%


static inline void msg_set_long_msgno(struct tipc_msg *m, u32 n) { msg_set_bits(m, 4, 0, 0xffff, n); }

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Per Liden28100.00%1100.00%
Total28100.00%1100.00%


static inline u32 msg_bc_netid(struct tipc_msg *m) { return msg_word(m, 4); }

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Per Liden20100.00%1100.00%
Total20100.00%1100.00%


static inline void msg_set_bc_netid(struct tipc_msg *m, u32 id) { msg_set_word(m, 4, id); }

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Per Liden24100.00%1100.00%
Total24100.00%1100.00%


static inline u32 msg_link_selector(struct tipc_msg *m) { if (msg_user(m) == MSG_FRAGMENTER) m = (void *)msg_data(m); return msg_bits(m, 4, 0, 1); }

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Per Liden2659.09%150.00%
Jon Paul Maloy1840.91%150.00%
Total44100.00%2100.00%

/* * Word 5 */
static inline u16 msg_session(struct tipc_msg *m) { return msg_bits(m, 5, 16, 0xffff); }

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PersonTokensPropCommitsCommitProp
Per Liden2395.83%150.00%
Jon Paul Maloy14.17%150.00%
Total24100.00%2100.00%


static inline void msg_set_session(struct tipc_msg *m, u16 n) { msg_set_bits(m, 5, 16, 0xffff, n); }

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PersonTokensPropCommitsCommitProp
Per Liden2796.43%150.00%
Jon Paul Maloy13.57%150.00%
Total28100.00%2100.00%


static inline u32 msg_probe(struct tipc_msg *m) { return msg_bits(m, 5, 0, 1); }

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Per Liden24100.00%1100.00%
Total24100.00%1100.00%


static inline void msg_set_probe(struct tipc_msg *m, u32 val) { msg_set_bits(m, 5, 0, 1, val); }

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Per Liden28100.00%1100.00%
Total28100.00%1100.00%


static inline char msg_net_plane(struct tipc_msg *m) { return msg_bits(m, 5, 1, 7) + 'A'; }

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Per Liden26100.00%1100.00%
Total26100.00%1100.00%


static inline void msg_set_net_plane(struct tipc_msg *m, char n) { msg_set_bits(m, 5, 1, 7, (n - 'A')); }

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Per Liden32100.00%1100.00%
Total32100.00%1100.00%


static inline u32 msg_linkprio(struct tipc_msg *m) { return msg_bits(m, 5, 4, 0x1f); }

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Per Liden24100.00%1100.00%
Total24100.00%1100.00%


static inline void msg_set_linkprio(struct tipc_msg *m, u32 n) { msg_set_bits(m, 5, 4, 0x1f, n); }

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Per Liden28100.00%1100.00%
Total28100.00%1100.00%


static inline u32 msg_bearer_id(struct tipc_msg *m) { return msg_bits(m, 5, 9, 0x7); }

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Per Liden24100.00%1100.00%
Total24100.00%1100.00%


static inline void msg_set_bearer_id(struct tipc_msg *m, u32 n) { msg_set_bits(m, 5, 9, 0x7, n); }

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Per Liden28100.00%1100.00%
Total28100.00%1100.00%


static inline u32 msg_redundant_link(struct tipc_msg *m) { return msg_bits(m, 5, 12, 0x1); }

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Per Liden24100.00%1100.00%
Total24100.00%1100.00%


static inline void msg_set_redundant_link(struct tipc_msg *m, u32 r) { msg_set_bits(m, 5, 12, 0x1, r); }

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PersonTokensPropCommitsCommitProp
Per Liden2485.71%150.00%
Allan Stephens414.29%150.00%
Total28100.00%2100.00%


static inline u32 msg_peer_stopping(struct tipc_msg *m) { return msg_bits(m, 5, 13, 0x1); }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy24100.00%1100.00%
Total24100.00%1100.00%


static inline void msg_set_peer_stopping(struct tipc_msg *m, u32 s) { msg_set_bits(m, 5, 13, 0x1, s); }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy28100.00%1100.00%
Total28100.00%1100.00%


static inline bool msg_bc_ack_invalid(struct tipc_msg *m) { switch (msg_user(m)) { case BCAST_PROTOCOL: case NAME_DISTRIBUTOR: case LINK_PROTOCOL: return msg_bits(m, 5, 14, 0x1); default: return false; } }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy46100.00%1100.00%
Total46100.00%1100.00%


static inline void msg_set_bc_ack_invalid(struct tipc_msg *m, bool invalid) { msg_set_bits(m, 5, 14, 0x1, invalid); }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy28100.00%1100.00%
Total28100.00%1100.00%


static inline char *msg_media_addr(struct tipc_msg *m) { return (char *)&m->hdr[TIPC_MEDIA_INFO_OFFSET]; }

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PersonTokensPropCommitsCommitProp
Allan Stephens2596.15%150.00%
Erik Hugne13.85%150.00%
Total26100.00%2100.00%


static inline u32 msg_bc_gap(struct tipc_msg *m) { return msg_bits(m, 8, 0, 0x3ff); }

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Jon Paul Maloy24100.00%1100.00%
Total24100.00%1100.00%


static inline void msg_set_bc_gap(struct tipc_msg *m, u32 n) { msg_set_bits(m, 8, 0, 0x3ff, n); }

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Jon Paul Maloy28100.00%1100.00%
Total28100.00%1100.00%

/* * Word 9 */
static inline u16 msg_msgcnt(struct tipc_msg *m) { return msg_bits(m, 9, 16, 0xffff); }

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PersonTokensPropCommitsCommitProp
Per Liden2395.83%150.00%
Jon Paul Maloy14.17%150.00%
Total24100.00%2100.00%


static inline void msg_set_msgcnt(struct tipc_msg *m, u16 n) { msg_set_bits(m, 9, 16, 0xffff, n); }

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PersonTokensPropCommitsCommitProp
Per Liden2796.43%150.00%
Jon Paul Maloy13.57%150.00%
Total28100.00%2100.00%


static inline u32 msg_conn_ack(struct tipc_msg *m) { return msg_bits(m, 9, 16, 0xffff); }

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PersonTokensPropCommitsCommitProp
Per Liden2395.83%150.00%
Jon Paul Maloy14.17%150.00%
Total24100.00%2100.00%


static inline void msg_set_conn_ack(struct tipc_msg *m, u32 n) { msg_set_bits(m, 9, 16, 0xffff, n); }

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PersonTokensPropCommitsCommitProp
Per Liden2796.43%150.00%
Jon Paul Maloy13.57%150.00%
Total28100.00%2100.00%


static inline u32 msg_adv_win(struct tipc_msg *m) { return msg_bits(m, 9, 0, 0xffff); }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy24100.00%1100.00%
Total24100.00%1100.00%


static inline void msg_set_adv_win(struct tipc_msg *m, u32 n) { msg_set_bits(m, 9, 0, 0xffff, n); }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy28100.00%1100.00%
Total28100.00%1100.00%


static inline u32 msg_max_pkt(struct tipc_msg *m) { return msg_bits(m, 9, 16, 0xffff) * 4; }

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Per Liden26100.00%1100.00%
Total26100.00%1100.00%


static inline void msg_set_max_pkt(struct tipc_msg *m, u32 n) { msg_set_bits(m, 9, 16, 0xffff, (n / 4)); }

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Per Liden32100.00%1100.00%
Total32100.00%1100.00%


static inline u32 msg_link_tolerance(struct tipc_msg *m) { return msg_bits(m, 9, 0, 0xffff); }

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Per Liden24100.00%1100.00%
Total24100.00%1100.00%


static inline void msg_set_link_tolerance(struct tipc_msg *m, u32 n) { msg_set_bits(m, 9, 0, 0xffff, n); }

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PersonTokensPropCommitsCommitProp
Per Liden28100.00%1100.00%
Total28100.00%1100.00%


static inline bool msg_peer_link_is_up(struct tipc_msg *m) { if (likely(msg_user(m) != LINK_PROTOCOL)) return true; if (msg_type(m) == STATE_MSG) return true; return false; }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy42100.00%3100.00%
Total42100.00%3100.00%


static inline bool msg_peer_node_is_up(struct tipc_msg *m) { if (msg_peer_link_is_up(m)) return true; return msg_redundant_link(m); }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy28100.00%3100.00%
Total28100.00%3100.00%


static inline bool msg_is_reset(struct tipc_msg *hdr) { return (msg_user(hdr) == LINK_PROTOCOL) && (msg_type(hdr) == RESET_MSG); }

Contributors

PersonTokensPropCommitsCommitProp
Jon Paul Maloy31100.00%1100.00%
Total31100.00%1100.00%

struct sk_buff *tipc_buf_acquire(u32 size, gfp_t gfp); bool tipc_msg_validate(struct sk_buff *skb); bool tipc_msg_reverse(u32 own_addr, struct sk_buff **skb, int err); void tipc_msg_init(u32 own_addr, struct tipc_msg *m, u32 user, u32 type, u32 hsize, u32 destnode); struct sk_buff *tipc_msg_create(uint user, uint type, uint hdr_sz, uint data_sz, u32 dnode, u32 onode, u32 dport, u32 oport, int errcode); int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf); bool tipc_msg_bundle(struct sk_buff *skb, struct tipc_msg *msg, u32 mtu); bool tipc_msg_make_bundle(struct sk_buff **skb, struct tipc_msg *msg, u32 mtu, u32 dnode); bool tipc_msg_extract(struct sk_buff *skb, struct sk_buff **iskb, int *pos); int tipc_msg_build(struct tipc_msg *mhdr, struct msghdr *m, int offset, int dsz, int mtu, struct sk_buff_head *list); bool tipc_msg_lookup_dest(struct net *net, struct sk_buff *skb, int *err); bool tipc_msg_reassemble(struct sk_buff_head *list, struct sk_buff_head *rcvq); bool tipc_msg_pskb_copy(u32 dst, struct sk_buff_head *msg, struct sk_buff_head *cpy); void __tipc_skb_queue_sorted(struct sk_buff_head *list, u16 seqno, struct sk_buff *skb);
static inline u16 buf_seqno(struct sk_buff *skb) { return msg_seqno(buf_msg(skb)); }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy21100.00%1100.00%
Total21100.00%1100.00%

/* tipc_skb_peek(): peek and reserve first buffer in list * @list: list to be peeked in * Returns pointer to first buffer in list, if any */
static inline struct sk_buff *tipc_skb_peek(struct sk_buff_head *list, spinlock_t *lock) { struct sk_buff *skb; spin_lock_bh(lock); skb = skb_peek(list); if (skb) skb_get(skb); spin_unlock_bh(lock); return skb; }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy52100.00%1100.00%
Total52100.00%1100.00%

/* tipc_skb_peek_port(): find a destination port, ignoring all destinations * up to and including 'filter'. * Note: ignoring previously tried destinations minimizes the risk of * contention on the socket lock * @list: list to be peeked in * @filter: last destination to be ignored from search * Returns a destination port number, of applicable. */
static inline u32 tipc_skb_peek_port(struct sk_buff_head *list, u32 filter) { struct sk_buff *skb; u32 dport = 0; bool ignore = true; spin_lock_bh(&list->lock); skb_queue_walk(list, skb) { dport = msg_destport(buf_msg(skb)); if (!filter || skb_queue_is_last(list, skb)) break; if (dport == filter) ignore = false; else if (!ignore) break; } spin_unlock_bh(&list->lock); return dport; }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy97100.00%1100.00%
Total97100.00%1100.00%

/* tipc_skb_dequeue(): unlink first buffer with dest 'dport' from list * @list: list to be unlinked from * @dport: selection criteria for buffer to unlink */
static inline struct sk_buff *tipc_skb_dequeue(struct sk_buff_head *list, u32 dport) { struct sk_buff *_skb, *tmp, *skb = NULL; spin_lock_bh(&list->lock); skb_queue_walk_safe(list, _skb, tmp) { if (msg_destport(buf_msg(_skb)) == dport) { __skb_unlink(_skb, list); skb = _skb; break; } } spin_unlock_bh(&list->lock); return skb; }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy85100.00%1100.00%
Total85100.00%1100.00%

/* tipc_skb_queue_splice_tail - append an skb list to lock protected list * @list: the new list to append. Not lock protected * @head: target list. Lock protected. */
static inline void tipc_skb_queue_splice_tail(struct sk_buff_head *list, struct sk_buff_head *head) { spin_lock_bh(&head->lock); skb_queue_splice_tail(list, head); spin_unlock_bh(&head->lock); }

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PersonTokensPropCommitsCommitProp
Jon Paul Maloy40100.00%1100.00%
Total40100.00%1100.00%

/* tipc_skb_queue_splice_tail_init - merge two lock protected skb lists * @list: the new list to add. Lock protected. Will be reinitialized * @head: target list. Lock protected. */
static inline void tipc_skb_queue_splice_tail_init(struct sk_buff_head *list, struct sk_buff_head *head) { struct sk_buff_head tmp; __skb_queue_head_init(&tmp); spin_lock_bh(&list->lock); skb_queue_splice_tail_init(list, &tmp); spin_unlock_bh(&list->lock); tipc_skb_queue_splice_tail(&tmp, head); }

Contributors

PersonTokensPropCommitsCommitProp
Jon Paul Maloy59100.00%1100.00%
Total59100.00%1100.00%

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Per Liden195247.53%11.59%
Jon Paul Maloy127531.04%3657.14%
Allan Stephens78919.21%1523.81%
Ying Xue671.63%57.94%
Hideaki Yoshifuji / 吉藤英明90.22%11.59%
Al Viro80.19%23.17%
Parthasarathy Bhuvaragan50.12%23.17%
Erik Hugne20.05%11.59%
Total4107100.00%63100.00%
Directory: net/tipc
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