erspan: print the ERSPAN type as "type1"/"type2".

guyharris · guyharris · commit 79dd6f0ffcc8 · 2023-10-25T13:12:11.000-07:00
This may make it a bit clearer what's being indicated.
diff --git a/print-erspan.c b/print-erspan.c
@@ -73,7 +73,7 @@ erspan_print(netdissect_options *ndo, uint16_t flags, const u_char *bp, u_int le
 	nd_print_protocol(ndo);
 
 	if (!(flags & GRE_SP)) {
-		ND_PRINT(" I: ");
+		ND_PRINT(" type1: ");
 		ether_print(ndo, bp, len, ND_BYTES_AVAILABLE_AFTER(bp), NULL, NULL);
 		return;
 	}
@@ -91,7 +91,7 @@ erspan_print(netdissect_options *ndo, uint16_t flags, const u_char *bp, u_int le
 	}
 
 	if (ndo->ndo_vflag)
-		ND_PRINT(" II");
+		ND_PRINT(" type2");
 
 	sid = (hdr & ERSPAN2_SID_MASK) >> ERSPAN2_SID_SHIFT;
 	ND_PRINT(" session %u", sid);

Original file line number	Diff line number	Diff line change
`@@ -73,7 +73,7 @@ erspan_print(netdissect_options ndo, uint16_t flags, const u_char bp, u_int le`
`73`	`73`	`nd_print_protocol(ndo);`
`74`	`74`
`75`	`75`	`if (!(flags & GRE_SP)) {`
`76`		`- ND_PRINT(" I: ");`
	`76`	`+ ND_PRINT(" type1: ");`
`77`	`77`	`ether_print(ndo, bp, len, ND_BYTES_AVAILABLE_AFTER(bp), NULL, NULL);`
`78`	`78`	`return;`
`79`	`79`	`}`
`@@ -91,7 +91,7 @@ erspan_print(netdissect_options ndo, uint16_t flags, const u_char bp, u_int le`
`91`	`91`	`}`
`92`	`92`
`93`	`93`	`if (ndo->ndo_vflag)`
`94`		`- ND_PRINT(" II");`
	`94`	`+ ND_PRINT(" type2");`
`95`	`95`
`96`	`96`	`sid = (hdr & ERSPAN2_SID_MASK) >> ERSPAN2_SID_SHIFT;`
`97`	`97`	`ND_PRINT(" session %u", sid);`