[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/net/tipc/msg.c b/ap/os/linux/linux-3.4.x/net/tipc/msg.c
new file mode 100644
index 0000000..e3afe16
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/net/tipc/msg.c
@@ -0,0 +1,356 @@
+/*
+ * net/tipc/msg.c: TIPC message header routines
+ *
+ * Copyright (c) 2000-2006, Ericsson AB
+ * Copyright (c) 2005, 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.
+ */
+
+#include "core.h"
+#include "msg.h"
+
+u32 tipc_msg_tot_importance(struct tipc_msg *m)
+{
+ if (likely(msg_isdata(m))) {
+ if (likely(msg_orignode(m) == tipc_own_addr))
+ return msg_importance(m);
+ return msg_importance(m) + 4;
+ }
+ if ((msg_user(m) == MSG_FRAGMENTER) &&
+ (msg_type(m) == FIRST_FRAGMENT))
+ return msg_importance(msg_get_wrapped(m));
+ return msg_importance(m);
+}
+
+
+void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type,
+ u32 hsize, u32 destnode)
+{
+ memset(m, 0, hsize);
+ msg_set_version(m);
+ msg_set_user(m, user);
+ msg_set_hdr_sz(m, hsize);
+ msg_set_size(m, hsize);
+ msg_set_prevnode(m, tipc_own_addr);
+ msg_set_type(m, type);
+ msg_set_orignode(m, tipc_own_addr);
+ msg_set_destnode(m, destnode);
+}
+
+/**
+ * tipc_msg_build - create message using specified header and data
+ *
+ * Note: Caller must not hold any locks in case copy_from_user() is interrupted!
+ *
+ * Returns message data size or errno
+ */
+
+int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect,
+ u32 num_sect, unsigned int total_len,
+ int max_size, int usrmem, struct sk_buff **buf)
+{
+ int dsz, sz, hsz, pos, res, cnt;
+
+ dsz = total_len;
+ pos = hsz = msg_hdr_sz(hdr);
+ sz = hsz + dsz;
+ msg_set_size(hdr, sz);
+ if (unlikely(sz > max_size)) {
+ *buf = NULL;
+ return dsz;
+ }
+
+ *buf = tipc_buf_acquire(sz);
+ if (!(*buf))
+ return -ENOMEM;
+ skb_copy_to_linear_data(*buf, hdr, hsz);
+ for (res = 1, cnt = 0; res && (cnt < num_sect); cnt++) {
+ if (likely(usrmem))
+ res = !copy_from_user((*buf)->data + pos,
+ msg_sect[cnt].iov_base,
+ msg_sect[cnt].iov_len);
+ else
+ skb_copy_to_linear_data_offset(*buf, pos,
+ msg_sect[cnt].iov_base,
+ msg_sect[cnt].iov_len);
+ pos += msg_sect[cnt].iov_len;
+ }
+ if (likely(res))
+ return dsz;
+
+ kfree_skb(*buf);
+ *buf = NULL;
+ return -EFAULT;
+}
+
+#ifdef CONFIG_TIPC_DEBUG
+
+void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str)
+{
+ u32 usr = msg_user(msg);
+ tipc_printf(buf, KERN_DEBUG);
+ tipc_printf(buf, str);
+
+ switch (usr) {
+ case MSG_BUNDLER:
+ tipc_printf(buf, "BNDL::");
+ tipc_printf(buf, "MSGS(%u):", msg_msgcnt(msg));
+ break;
+ case BCAST_PROTOCOL:
+ tipc_printf(buf, "BCASTP::");
+ break;
+ case MSG_FRAGMENTER:
+ tipc_printf(buf, "FRAGM::");
+ switch (msg_type(msg)) {
+ case FIRST_FRAGMENT:
+ tipc_printf(buf, "FIRST:");
+ break;
+ case FRAGMENT:
+ tipc_printf(buf, "BODY:");
+ break;
+ case LAST_FRAGMENT:
+ tipc_printf(buf, "LAST:");
+ break;
+ default:
+ tipc_printf(buf, "UNKNOWN:%x", msg_type(msg));
+
+ }
+ tipc_printf(buf, "NO(%u/%u):", msg_long_msgno(msg),
+ msg_fragm_no(msg));
+ break;
+ case TIPC_LOW_IMPORTANCE:
+ case TIPC_MEDIUM_IMPORTANCE:
+ case TIPC_HIGH_IMPORTANCE:
+ case TIPC_CRITICAL_IMPORTANCE:
+ tipc_printf(buf, "DAT%u:", msg_user(msg));
+ if (msg_short(msg)) {
+ tipc_printf(buf, "CON:");
+ break;
+ }
+ switch (msg_type(msg)) {
+ case TIPC_CONN_MSG:
+ tipc_printf(buf, "CON:");
+ break;
+ case TIPC_MCAST_MSG:
+ tipc_printf(buf, "MCST:");
+ break;
+ case TIPC_NAMED_MSG:
+ tipc_printf(buf, "NAM:");
+ break;
+ case TIPC_DIRECT_MSG:
+ tipc_printf(buf, "DIR:");
+ break;
+ default:
+ tipc_printf(buf, "UNKNOWN TYPE %u", msg_type(msg));
+ }
+ if (msg_reroute_cnt(msg))
+ tipc_printf(buf, "REROUTED(%u):",
+ msg_reroute_cnt(msg));
+ break;
+ case NAME_DISTRIBUTOR:
+ tipc_printf(buf, "NMD::");
+ switch (msg_type(msg)) {
+ case PUBLICATION:
+ tipc_printf(buf, "PUBL(%u):", (msg_size(msg) - msg_hdr_sz(msg)) / 20); /* Items */
+ break;
+ case WITHDRAWAL:
+ tipc_printf(buf, "WDRW:");
+ break;
+ default:
+ tipc_printf(buf, "UNKNOWN:%x", msg_type(msg));
+ }
+ if (msg_reroute_cnt(msg))
+ tipc_printf(buf, "REROUTED(%u):",
+ msg_reroute_cnt(msg));
+ break;
+ case CONN_MANAGER:
+ tipc_printf(buf, "CONN_MNG:");
+ switch (msg_type(msg)) {
+ case CONN_PROBE:
+ tipc_printf(buf, "PROBE:");
+ break;
+ case CONN_PROBE_REPLY:
+ tipc_printf(buf, "PROBE_REPLY:");
+ break;
+ case CONN_ACK:
+ tipc_printf(buf, "CONN_ACK:");
+ tipc_printf(buf, "ACK(%u):", msg_msgcnt(msg));
+ break;
+ default:
+ tipc_printf(buf, "UNKNOWN TYPE:%x", msg_type(msg));
+ }
+ if (msg_reroute_cnt(msg))
+ tipc_printf(buf, "REROUTED(%u):", msg_reroute_cnt(msg));
+ break;
+ case LINK_PROTOCOL:
+ switch (msg_type(msg)) {
+ case STATE_MSG:
+ tipc_printf(buf, "STATE:");
+ tipc_printf(buf, "%s:", msg_probe(msg) ? "PRB" : "");
+ tipc_printf(buf, "NXS(%u):", msg_next_sent(msg));
+ tipc_printf(buf, "GAP(%u):", msg_seq_gap(msg));
+ tipc_printf(buf, "LSTBC(%u):", msg_last_bcast(msg));
+ break;
+ case RESET_MSG:
+ tipc_printf(buf, "RESET:");
+ if (msg_size(msg) != msg_hdr_sz(msg))
+ tipc_printf(buf, "BEAR:%s:", msg_data(msg));
+ break;
+ case ACTIVATE_MSG:
+ tipc_printf(buf, "ACTIVATE:");
+ break;
+ default:
+ tipc_printf(buf, "UNKNOWN TYPE:%x", msg_type(msg));
+ }
+ tipc_printf(buf, "PLANE(%c):", msg_net_plane(msg));
+ tipc_printf(buf, "SESS(%u):", msg_session(msg));
+ break;
+ case CHANGEOVER_PROTOCOL:
+ tipc_printf(buf, "TUNL:");
+ switch (msg_type(msg)) {
+ case DUPLICATE_MSG:
+ tipc_printf(buf, "DUPL:");
+ break;
+ case ORIGINAL_MSG:
+ tipc_printf(buf, "ORIG:");
+ tipc_printf(buf, "EXP(%u)", msg_msgcnt(msg));
+ break;
+ default:
+ tipc_printf(buf, "UNKNOWN TYPE:%x", msg_type(msg));
+ }
+ break;
+ case LINK_CONFIG:
+ tipc_printf(buf, "CFG:");
+ switch (msg_type(msg)) {
+ case DSC_REQ_MSG:
+ tipc_printf(buf, "DSC_REQ:");
+ break;
+ case DSC_RESP_MSG:
+ tipc_printf(buf, "DSC_RESP:");
+ break;
+ default:
+ tipc_printf(buf, "UNKNOWN TYPE:%x:", msg_type(msg));
+ break;
+ }
+ break;
+ default:
+ tipc_printf(buf, "UNKNOWN USER:");
+ }
+
+ switch (usr) {
+ case CONN_MANAGER:
+ case TIPC_LOW_IMPORTANCE:
+ case TIPC_MEDIUM_IMPORTANCE:
+ case TIPC_HIGH_IMPORTANCE:
+ case TIPC_CRITICAL_IMPORTANCE:
+ switch (msg_errcode(msg)) {
+ case TIPC_OK:
+ break;
+ case TIPC_ERR_NO_NAME:
+ tipc_printf(buf, "NO_NAME:");
+ break;
+ case TIPC_ERR_NO_PORT:
+ tipc_printf(buf, "NO_PORT:");
+ break;
+ case TIPC_ERR_NO_NODE:
+ tipc_printf(buf, "NO_PROC:");
+ break;
+ case TIPC_ERR_OVERLOAD:
+ tipc_printf(buf, "OVERLOAD:");
+ break;
+ case TIPC_CONN_SHUTDOWN:
+ tipc_printf(buf, "SHUTDOWN:");
+ break;
+ default:
+ tipc_printf(buf, "UNKNOWN ERROR(%x):",
+ msg_errcode(msg));
+ }
+ default:
+ break;
+ }
+
+ tipc_printf(buf, "HZ(%u):", msg_hdr_sz(msg));
+ tipc_printf(buf, "SZ(%u):", msg_size(msg));
+ tipc_printf(buf, "SQNO(%u):", msg_seqno(msg));
+
+ if (msg_non_seq(msg))
+ tipc_printf(buf, "NOSEQ:");
+ else
+ tipc_printf(buf, "ACK(%u):", msg_ack(msg));
+ tipc_printf(buf, "BACK(%u):", msg_bcast_ack(msg));
+ tipc_printf(buf, "PRND(%x)", msg_prevnode(msg));
+
+ if (msg_isdata(msg)) {
+ if (msg_named(msg)) {
+ tipc_printf(buf, "NTYP(%u):", msg_nametype(msg));
+ tipc_printf(buf, "NINST(%u)", msg_nameinst(msg));
+ }
+ }
+
+ if ((usr != LINK_PROTOCOL) && (usr != LINK_CONFIG) &&
+ (usr != MSG_BUNDLER)) {
+ if (!msg_short(msg)) {
+ tipc_printf(buf, ":ORIG(%x:%u):",
+ msg_orignode(msg), msg_origport(msg));
+ tipc_printf(buf, ":DEST(%x:%u):",
+ msg_destnode(msg), msg_destport(msg));
+ } else {
+ tipc_printf(buf, ":OPRT(%u):", msg_origport(msg));
+ tipc_printf(buf, ":DPRT(%u):", msg_destport(msg));
+ }
+ }
+ if (msg_user(msg) == NAME_DISTRIBUTOR) {
+ tipc_printf(buf, ":ONOD(%x):", msg_orignode(msg));
+ tipc_printf(buf, ":DNOD(%x):", msg_destnode(msg));
+ }
+
+ if (msg_user(msg) == LINK_CONFIG) {
+ struct tipc_media_addr orig;
+
+ tipc_printf(buf, ":DDOM(%x):", msg_dest_domain(msg));
+ tipc_printf(buf, ":NETID(%u):", msg_bc_netid(msg));
+ memcpy(orig.value, msg_media_addr(msg), sizeof(orig.value));
+ orig.media_id = 0;
+ orig.broadcast = 0;
+ tipc_media_addr_printf(buf, &orig);
+ }
+ if (msg_user(msg) == BCAST_PROTOCOL) {
+ tipc_printf(buf, "BCNACK:AFTER(%u):", msg_bcgap_after(msg));
+ tipc_printf(buf, "TO(%u):", msg_bcgap_to(msg));
+ }
+ tipc_printf(buf, "\n");
+ if ((usr == CHANGEOVER_PROTOCOL) && (msg_msgcnt(msg)))
+ tipc_msg_dbg(buf, msg_get_wrapped(msg), " /");
+ if ((usr == MSG_FRAGMENTER) && (msg_type(msg) == FIRST_FRAGMENT))
+ tipc_msg_dbg(buf, msg_get_wrapped(msg), " /");
+}
+
+#endif