static struct sk_buff *tipc_show_stats(void) { struct sk_buff *buf; struct tlv_desc *rep_tlv; struct print_buf pb; int str_len; u32 value; if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED)) return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR); value = ntohl(*(u32 *)TLV_DATA(req_tlv_area)); if (value != 0) return tipc_cfg_reply_error_string("unsupported argument"); buf = tipc_cfg_reply_alloc(TLV_SPACE(MAX_STATS_INFO)); if (buf == NULL) return NULL; rep_tlv = (struct tlv_desc *)buf->data; tipc_printbuf_init(&pb, (char *)TLV_DATA(rep_tlv), MAX_STATS_INFO); tipc_printf(&pb, "TIPC version " TIPC_MOD_VER "\n"); /* Use additional tipc_printf()'s to return more info ... */ str_len = tipc_printbuf_validate(&pb); skb_put(buf, TLV_SPACE(str_len)); TLV_SET(rep_tlv, TIPC_TLV_ULTRA_STRING, NULL, str_len); return buf; }
static void disc_dupl_alert(struct tipc_bearer *b_ptr, u32 node_addr, struct tipc_media_addr *media_addr) { char node_addr_str[16]; char media_addr_str[64]; struct print_buf pb; tipc_addr_string_fill(node_addr_str, node_addr); tipc_printbuf_init(&pb, media_addr_str, sizeof(media_addr_str)); tipc_media_addr_printf(&pb, media_addr); tipc_printbuf_validate(&pb); warn("Duplicate %s using %s seen on <%s>\n", node_addr_str, media_addr_str, b_ptr->name); }
int tipc_bclink_stats(char *buf, const u32 buf_size) { struct print_buf pb; if (!bcl) return 0; tipc_printbuf_init(&pb, buf, buf_size); spin_lock_bh(&bc_lock); tipc_printf(&pb, "Link <%s>\n" " Window:%u packets\n", bcl->name, bcl->queue_limit[0]); tipc_printf(&pb, " RX packets:%u fragments:%u/%u bundles:%u/%u\n", bcl->stats.recv_info, bcl->stats.recv_fragments, bcl->stats.recv_fragmented, bcl->stats.recv_bundles, bcl->stats.recv_bundled); tipc_printf(&pb, " TX packets:%u fragments:%u/%u bundles:%u/%u\n", bcl->stats.sent_info, bcl->stats.sent_fragments, bcl->stats.sent_fragmented, bcl->stats.sent_bundles, bcl->stats.sent_bundled); tipc_printf(&pb, " RX naks:%u defs:%u dups:%u\n", bcl->stats.recv_nacks, bcl->stats.deferred_recv, bcl->stats.duplicates); tipc_printf(&pb, " TX naks:%u acks:%u dups:%u\n", bcl->stats.sent_nacks, bcl->stats.sent_acks, bcl->stats.retransmitted); tipc_printf(&pb, " Congestion bearer:%u link:%u Send queue max:%u avg:%u\n", bcl->stats.bearer_congs, bcl->stats.link_congs, bcl->stats.max_queue_sz, bcl->stats.queue_sz_counts ? (bcl->stats.accu_queue_sz / bcl->stats.queue_sz_counts) : 0); spin_unlock_bh(&bc_lock); return tipc_printbuf_validate(&pb); }