tipc: Add support for "-s" configuration option
Provide initial support for displaying overall TIPC status/statistics information at runtime. Currently, only version info for the TIPC kernel module is displayed. Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -74,6 +74,7 @@
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#define TIPC_CMD_SHOW_NAME_TABLE 0x0005 /* tx name_tbl_query, rx ultra_string */
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#define TIPC_CMD_SHOW_PORTS 0x0006 /* tx none, rx ultra_string */
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#define TIPC_CMD_SHOW_LINK_STATS 0x000B /* tx link_name, rx ultra_string */
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#define TIPC_CMD_SHOW_STATS 0x000F /* tx unsigned, rx ultra_string */
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#if 0
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#define TIPC_CMD_SHOW_PORT_STATS 0x0008 /* tx port_ref, rx ultra_string */
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@ -253,6 +253,41 @@ static void cfg_cmd_event(struct tipc_cmd_msg *msg,
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}
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#endif
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#define MAX_STATS_INFO 2000
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static struct sk_buff *tipc_show_stats(void)
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{
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struct sk_buff *buf;
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struct tlv_desc *rep_tlv;
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struct print_buf pb;
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int str_len;
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u32 value;
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if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED))
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return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR);
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value = ntohl(*(u32 *)TLV_DATA(req_tlv_area));
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if (value != 0)
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return tipc_cfg_reply_error_string("unsupported argument");
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buf = tipc_cfg_reply_alloc(TLV_SPACE(MAX_STATS_INFO));
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if (buf == NULL)
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return NULL;
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rep_tlv = (struct tlv_desc *)buf->data;
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tipc_printbuf_init(&pb, (char *)TLV_DATA(rep_tlv), MAX_STATS_INFO);
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tipc_printf(&pb, "TIPC version " TIPC_MOD_VER "\n");
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/* Use additional tipc_printf()'s to return more info ... */
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str_len = tipc_printbuf_validate(&pb);
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skb_put(buf, TLV_SPACE(str_len));
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TLV_SET(rep_tlv, TIPC_TLV_ULTRA_STRING, NULL, str_len);
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return buf;
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}
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static struct sk_buff *cfg_enable_bearer(void)
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{
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struct tipc_bearer_config *args;
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@ -536,6 +571,9 @@ struct sk_buff *tipc_cfg_do_cmd(u32 orig_node, u16 cmd, const void *request_area
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case TIPC_CMD_DUMP_LOG:
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rep_tlv_buf = tipc_log_dump();
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break;
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case TIPC_CMD_SHOW_STATS:
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rep_tlv_buf = tipc_show_stats();
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break;
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case TIPC_CMD_SET_LINK_TOL:
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case TIPC_CMD_SET_LINK_PRI:
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case TIPC_CMD_SET_LINK_WINDOW:
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@ -49,8 +49,6 @@
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#include "config.h"
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#define TIPC_MOD_VER "2.0.0"
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#ifndef CONFIG_TIPC_ZONES
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#define CONFIG_TIPC_ZONES 3
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#endif
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@ -59,6 +59,9 @@
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#define TIPC_MOD_VER "2.0.0"
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/*
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* TIPC sanity test macros
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*/
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