SCTP: Use net_ratelimit to suppress error messages print too fast
When multi bundling SHUTDOWN-ACK message is received in ESTAB state, this will cause "sctp protocol violation state" message print many times. If SHUTDOWN-ACK is bundled 300 times in one packet, message will be print 300 times. The same problem also exists when received unexpected HEARTBEAT-ACK message which is bundled message times. This patch used net_ratelimit() to suppress error messages print too fast. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
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@ -1013,6 +1013,7 @@ static int sctp_side_effects(sctp_event_t event_type, sctp_subtype_t subtype,
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break;
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case SCTP_DISPOSITION_VIOLATION:
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if (net_ratelimit())
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printk(KERN_ERR "sctp protocol violation state %d "
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"chunkid %d\n", state, subtype.chunk);
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break;
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@ -1032,6 +1032,7 @@ sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep,
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/* This should never happen, but lets log it if so. */
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if (unlikely(!link)) {
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if (from_addr.sa.sa_family == AF_INET6) {
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if (net_ratelimit())
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printk(KERN_WARNING
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"%s association %p could not find address "
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NIP6_FMT "\n",
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@ -1039,6 +1040,7 @@ sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep,
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asoc,
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NIP6(from_addr.v6.sin6_addr));
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} else {
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if (net_ratelimit())
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printk(KERN_WARNING
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"%s association %p could not find address "
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NIPQUAD_FMT "\n",
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