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Add gsw1xx mdio link support #1578

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Add gsw1xx mdio link support #1578

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2 changes: 2 additions & 0 deletions gencode.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3692,6 +3692,8 @@ gen_linktype(compiler_state_t *cstate, bpf_u_int32 ll_proto)
case DLT_EN10MB:
case DLT_NETANALYZER:
case DLT_NETANALYZER_TRANSPARENT:
case DLT_DSA_TAG_GSW1XX:

/* Geneve has an EtherType regardless of whether there is an
* L2 header. VXLAN always has an EtherType. */
if (!cstate->is_encap)
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3 changes: 2 additions & 1 deletion pcap-common.c
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Expand Up @@ -1300,7 +1300,8 @@
*/
#define LINKTYPE_DECT_NR 301

#define LINKTYPE_HIGH_MATCHING_MAX 301 /* highest value in the "matching" range */
#define LINKTYPE_DSA_TAG_GSW1XX 302
#define LINKTYPE_HIGH_MATCHING_MAX 302 /* highest value in the "matching" range */

/*
* The DLT_ and LINKTYPE_ values in the "matching" range should be the
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5 changes: 5 additions & 0 deletions pcap-linux.c
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Expand Up @@ -5699,6 +5699,11 @@ static struct dsa_proto {
* https://elixir.bootlin.com/linux/v6.13.2/source/net/dsa/tag_xrs700x.c
*/
{ "xrs700x", DLT_EN10MB },
/*
* Type 2, with EtherType 0x88c3, unassigned.
*
*/
{ "gsw1xx", DLT_DSA_TAG_GSW1XX },
};

static int
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8 changes: 7 additions & 1 deletion pcap/dlt.h
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Expand Up @@ -1664,6 +1664,12 @@
*/
#define DLT_DECT_NR 301

/*
* MaxLinear DSA ethernet switch protocol.
* Requested by Peter Enderborg <[email protected]>.
*/
#define DLT_DSA_TAG_GSW1XX 302

/*
* In case the code that includes this file (directly or indirectly)
* has also included OS files that happen to define DLT_HIGH_MATCHING_MAX,
Expand All @@ -1675,6 +1681,6 @@
#undef DLT_HIGH_MATCHING_MAX
#endif

#define DLT_HIGH_MATCHING_MAX 301 /* highest value in the "matching" range */
#define DLT_HIGH_MATCHING_MAX 302 /* highest value in the "matching" range */

#endif /* !defined(lib_pcap_dlt_h) */