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https://xff.cz/git/u-boot/
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d678a59d2d
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"' I failed to notice that b4 noticed it was based on next and so took that as the base commit and merged that part of next to master. This reverts commitc8ffd1356d, reversing changes made to2ee6f3a5f7. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
114 lines
2.6 KiB
C
114 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Log to syslog.
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*
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* Copyright (c) 2020, Heinrich Schuchardt <xypron.glpk@gmx.de>
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*/
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#include <common.h>
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#include <log.h>
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#include <net.h>
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#include <asm/global_data.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define BUFFER_SIZE 480
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static void append(char **buf, char *buf_end, const char *fmt, ...)
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{
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va_list args;
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size_t size = buf_end - *buf;
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va_start(args, fmt);
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vsnprintf(*buf, size, fmt, args);
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va_end(args);
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*buf += strlen(*buf);
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}
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static int log_syslog_emit(struct log_device *ldev, struct log_rec *rec)
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{
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int ret;
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int fmt = gd->log_fmt;
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char msg[BUFFER_SIZE];
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char *msg_end = msg + BUFFER_SIZE;
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char *ptr = msg;
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char *iphdr;
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char *log_msg;
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int eth_hdr_size;
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struct in_addr bcast_ip;
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unsigned int log_level;
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char *log_hostname;
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/* Setup packet buffers */
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ret = net_init();
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if (ret)
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return ret;
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/* Disable hardware and put it into the reset state */
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eth_halt();
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/* Set current device according to environment variables */
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eth_set_current();
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/* Get hardware ready for send and receive operations */
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ret = eth_init();
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if (ret < 0) {
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eth_halt();
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goto out;
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}
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memset(msg, 0, BUFFER_SIZE);
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/* Set ethernet header */
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eth_hdr_size = net_set_ether((uchar *)ptr, net_bcast_ethaddr, PROT_IP);
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ptr += eth_hdr_size;
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iphdr = ptr;
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ptr += IP_UDP_HDR_SIZE;
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log_msg = ptr;
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/*
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* The syslog log levels defined in RFC 5424 match the U-Boot ones up to
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* level 7 (debug).
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*/
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log_level = rec->level;
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if (log_level > 7)
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log_level = 7;
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/* Leave high bits as 0 to write a 'kernel message' */
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/* Write log message to buffer */
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append(&ptr, msg_end, "<%u>", log_level);
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log_hostname = env_get("log_hostname");
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if (log_hostname)
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append(&ptr, msg_end, "%s ", log_hostname);
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append(&ptr, msg_end, "uboot: ");
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if (fmt & BIT(LOGF_LEVEL))
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append(&ptr, msg_end, "%s.",
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log_get_level_name(rec->level));
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if (fmt & BIT(LOGF_CAT))
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append(&ptr, msg_end, "%s,",
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log_get_cat_name(rec->cat));
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if (fmt & BIT(LOGF_FILE))
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append(&ptr, msg_end, "%s:", rec->file);
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if (fmt & BIT(LOGF_LINE))
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append(&ptr, msg_end, "%d-", rec->line);
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if (fmt & BIT(LOGF_FUNC))
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append(&ptr, msg_end, "%s()", rec->func);
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if (fmt & BIT(LOGF_MSG))
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append(&ptr, msg_end, "%s%s",
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fmt != BIT(LOGF_MSG) ? " " : "", rec->msg);
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/* Consider trailing 0x00 */
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ptr++;
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debug("log message: '%s'\n", log_msg);
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/* Broadcast message */
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bcast_ip.s_addr = 0xFFFFFFFFL;
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net_set_udp_header((uchar *)iphdr, bcast_ip, 514, 514, ptr - log_msg);
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net_send_packet((uchar *)msg, ptr - msg);
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out:
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return ret;
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}
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LOG_DRIVER(syslog) = {
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.name = "syslog",
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.emit = log_syslog_emit,
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};
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