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| author | Francois-Xavier Le Bail <devel.fx.lebail@orange.fr> | 2020-03-22 12:03:17 +0100 |
|---|---|---|
| committer | Francois-Xavier Le Bail <devel.fx.lebail@orange.fr> | 2020-03-22 12:10:27 +0100 |
| commit | ef53a557d738762c053c23f57001ab902388b0cc (patch) | |
| tree | 0562a23446dc3c30fe769168a52b7dc079c15313 /print-ppi.c | |
| parent | ad2b380c5bb34aa2c3268b783c01f0349d2c7c94 (diff) | |
| download | tcpdump-ef53a557d738762c053c23f57001ab902388b0cc.tar.gz | |
PPI: Add specification, update summary, add some comments
[skip ci]
Diffstat (limited to 'print-ppi.c')
| -rw-r--r-- | print-ppi.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/print-ppi.c b/print-ppi.c index fe85fa51..6d901a20 100644 --- a/print-ppi.c +++ b/print-ppi.c @@ -2,7 +2,12 @@ * Oracle */ -/* \summary: Oracle DLT_PPI printer */ +/* \summary: Per-Packet Information (DLT_PPI) printer */ + +/* Specification: + * Per-Packet Information Header Specification - Version 1.0.7 + * https://web.archive.org/web/20160328114748/http://www.cacetech.com/documents/PPI%20Header%20format%201.0.7.pdf + */ #ifdef HAVE_CONFIG_H #include <config.h> @@ -15,10 +20,12 @@ typedef struct ppi_header { - nd_uint8_t ppi_ver; - nd_uint8_t ppi_flags; - nd_uint16_t ppi_len; - nd_uint32_t ppi_dlt; + nd_uint8_t ppi_ver; /* Version. Currently 0 */ + nd_uint8_t ppi_flags; /* Flags. */ + nd_uint16_t ppi_len; /* Length of entire message, including + * this header and TLV payload. */ + nd_uint32_t ppi_dlt; /* Data Link Type of the captured + * packet data. */ } ppi_header_t; #define PPI_HDRLEN 8 |