ipfilter: Add DTrace SDT probe
Add an SDT probe, using the newly created DT5 macro, in similar vein to DEBUG_PARSE printf for when FTP junk is anticipated and ok. This will assist in debugging port (active) FTP proxy issues. MFC after: 3 days
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@ -1523,6 +1523,8 @@ ipf_p_ftp_process(softf, fin, nat, ftp, rv)
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len = wptr - rptr;
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f->ftps_junk = ipf_p_ftp_valid(softf, ftp, rv,
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rptr, len);
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DT5(junk_ftp_valid, int, len, int, rv, u_long, rptr,
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u_long, wptr, int, f->ftps_junk);
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if (softf->ipf_p_ftp_debug & DEBUG_PARSE) {
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printf("%s=%d len %d rv %d ptr %lx/%lx ",
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