diff options
author | Guy Harris <guy@alum.mit.edu> | 2013-02-15 00:34:05 +0000 |
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committer | Guy Harris <guy@alum.mit.edu> | 2013-02-15 00:34:05 +0000 |
commit | 39a742107e45d3095f944bb2f6a297a82ed5f1c5 (patch) | |
tree | ecb3f192c7ab17614c182d194363f557701708ee /epan/dissectors/packet-ieee80211-airopeek.c | |
parent | 58a2320b8987c5df2f94e0fdb236a995c6e87f7a (diff) |
Put in a comment explaining what the signal strength value means here.
svn path=/trunk/; revision=47664
Diffstat (limited to 'epan/dissectors/packet-ieee80211-airopeek.c')
-rw-r--r-- | epan/dissectors/packet-ieee80211-airopeek.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/epan/dissectors/packet-ieee80211-airopeek.c b/epan/dissectors/packet-ieee80211-airopeek.c index 3b286537cf..5e0f579511 100644 --- a/epan/dissectors/packet-ieee80211-airopeek.c +++ b/epan/dissectors/packet-ieee80211-airopeek.c @@ -72,6 +72,16 @@ dissect_airopeek(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) proto_tree_add_item(airopeek_tree, hf_channel, tvb, 1, 1, ENC_NA); signal_level = tvb_get_guint8(tvb, 2); + /* + * This is signal strength as a percentage of the maximum, i.e. + * (RXVECTOR RSSI/RXVECTOR RSSI_Max)*100, or, at least, that's + * what I infer it is, given what the WildPackets note "Converting + * Signal Strength Percentage to dBm Values" says. + * + * It also says that the conversion the percentage to a dBm value is + * an adapter-dependent process, so, as we don't know what type of + * adapter was used to do the capture, we can't do the conversion. + */ col_add_fstr(pinfo->cinfo, COL_RSSI, "%u%%", signal_level); if (tree) { proto_tree_add_uint_format(airopeek_tree, hf_signal_strength, tvb, 2, 1, |