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| author | Thomas Graf <tgraf@suug.ch> | 2010-10-29 00:14:34 +0200 |
|---|---|---|
| committer | Thomas Graf <tgraf@suug.ch> | 2010-10-29 00:14:34 +0200 |
| commit | 0fe5b29423c1ad97012a865f1cd8b4f7ff37f143 (patch) | |
| tree | 2776ab0e83cea83f4582b0f2313901a7c4c918be /src | |
| parent | 65e386c8ba490d405f539322a12e1f1c7ea2eb5c (diff) | |
| download | libnl-0fe5b29423c1ad97012a865f1cd8b4f7ff37f143.tar.gz | |
Extended pktloc to support nbyte locations for ipv6, etc.
The alignment column/field now also takes a number, specifying
the length in bytes of the field described by the location
Diffstat (limited to 'src')
| -rw-r--r-- | src/nl-pktloc-lookup.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/src/nl-pktloc-lookup.c b/src/nl-pktloc-lookup.c index dc6154f..0f9831a 100644 --- a/src/nl-pktloc-lookup.c +++ b/src/nl-pktloc-lookup.c @@ -52,6 +52,9 @@ static const char *layer_txt[] = { static void dump_u32_style(struct rtnl_pktloc *loc, uint32_t value) { + if (loc->align > 4) + nl_cli_fatal(EINVAL, "u32 only supports alignments u8|u16|u32."); + if (loc->layer == TCF_LAYER_LINK) nl_cli_fatal(EINVAL, "u32 does not support link " "layer locations."); @@ -63,19 +66,30 @@ static void dump_u32_style(struct rtnl_pktloc *loc, uint32_t value) loc->offset); } +static char *get_align_txt(struct rtnl_pktloc *loc) +{ + static char buf[16]; + + if (loc->align <= 4) + strcpy(buf, align_txt[loc->align]); + else + snprintf(buf, sizeof(buf), "%u", loc->align); + + return buf; +} + static void dump_loc(struct rtnl_pktloc *loc) { printf("%s = %s at %s+%u %#x\n", - loc->name, align_txt[loc->align], - layer_txt[loc->layer], loc->offset, loc->mask); + loc->name, get_align_txt(loc), layer_txt[loc->layer], + loc->offset, loc->mask); } static void list_cb(struct rtnl_pktloc *loc, void *arg) { printf("%-26s %-5s %3s+%-4u %#-10x %u\n", - loc->name, align_txt[loc->align], - layer_txt[loc->layer], loc->offset, - loc->mask, loc->refcnt); + loc->name, get_align_txt(loc), layer_txt[loc->layer], + loc->offset, loc->mask, loc->refcnt); } static void do_list(void) |