When available, use 64-bit byte counters rx/tx_bytes64. New 32-bit
counters rx/tx_bytes32 are guaranteed to clamp to max 32-bit value
and never wrap around. For compatibility with legacy clients the old
values rx/tx_bytes are just aliases of new rx/tx_bytes32.
Signed-off-by: Dainis Jonitis <dainis.joni...@ubnt.com>
---
include/iwinfo.h | 12 ++++++++++--
iwinfo_nl80211.c | 24 ++++++++++++++++++++----
2 files changed, 30 insertions(+), 6 deletions(-)
diff --git a/include/iwinfo.h b/include/iwinfo.h
index 5e64294..8610fcb 100644
--- a/include/iwinfo.h
+++ b/include/iwinfo.h
@@ -119,8 +119,16 @@ struct iwinfo_assoclist_entry {
uint64_t rx_drop_misc;
struct iwinfo_rate_entry rx_rate;
struct iwinfo_rate_entry tx_rate;
- uint32_t rx_bytes;
- uint32_t tx_bytes;
+ uint64_t rx_bytes64;
+ uint64_t tx_bytes64;
+ union {
+ uint32_t rx_bytes32; /* clamped to max uint32_t */
+ uint32_t rx_bytes; /* OBSOLETED: alias for legacy clients*/
+ };
+ union {
+ uint32_t tx_bytes32; /* clamped to max uint32_t */
+ uint32_t tx_bytes; /* OBSOLETED: alias for legacy clients*/
+ };
uint32_t tx_retries;
uint32_t tx_failed;
uint64_t t_offset;
diff --git a/iwinfo_nl80211.c b/iwinfo_nl80211.c
index 2b2a043..6b35888 100644
--- a/iwinfo_nl80211.c
+++ b/iwinfo_nl80211.c
@@ -1953,6 +1953,8 @@ static int nl80211_get_assoclist_cb(struct nl_msg *msg,
void *arg)
[NL80211_STA_INFO_SIGNAL_AVG] = { .type = NLA_U8 },
[NL80211_STA_INFO_RX_BYTES] = { .type = NLA_U32 },
[NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 },
+ [NL80211_STA_INFO_RX_BYTES64] = { .type = NLA_U64 },
+ [NL80211_STA_INFO_TX_BYTES64] = { .type = NLA_U64 },
[NL80211_STA_INFO_TX_RETRIES] = { .type = NLA_U32 },
[NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 },
[NL80211_STA_INFO_CONNECTED_TIME]= { .type = NLA_U32 },
@@ -2016,11 +2018,25 @@ static int nl80211_get_assoclist_cb(struct nl_msg *msg,
void *arg)
sinfo[NL80211_STA_INFO_TX_BITRATE],
rate_policy))
nl80211_parse_rateinfo(rinfo, &e->tx_rate);
- if (sinfo[NL80211_STA_INFO_RX_BYTES])
- e->rx_bytes =
nla_get_u32(sinfo[NL80211_STA_INFO_RX_BYTES]);
+ if (sinfo[NL80211_STA_INFO_RX_BYTES64]) {
+ uint64_t u64 =
nla_get_u64(sinfo[NL80211_STA_INFO_RX_BYTES64]);
+ e->rx_bytes64 = u64;
+ e->rx_bytes32 = (u64 <= UINT32_MAX) ? (uint32_t)u64 :
UINT32_MAX;
+ } else if (sinfo[NL80211_STA_INFO_RX_BYTES]) {
+ uint32_t u32 =
nla_get_u32(sinfo[NL80211_STA_INFO_RX_BYTES]);
+ e->rx_bytes32 = u32;
+ e->rx_bytes64 = u32;
+ }
- if (sinfo[NL80211_STA_INFO_TX_BYTES])
- e->tx_bytes =
nla_get_u32(sinfo[NL80211_STA_INFO_TX_BYTES]);
+ if (sinfo[NL80211_STA_INFO_TX_BYTES64]) {
+ uint64_t u64 =
nla_get_u64(sinfo[NL80211_STA_INFO_TX_BYTES64]);
+ e->tx_bytes64 = u64;
+ e->tx_bytes32 = (u64 <= UINT32_MAX) ? (uint32_t)u64 :
UINT32_MAX;
+ } else if (sinfo[NL80211_STA_INFO_TX_BYTES]) {
+ uint32_t u32 =
nla_get_u32(sinfo[NL80211_STA_INFO_TX_BYTES]);
+ e->tx_bytes32 = u32;
+ e->tx_bytes64 = u32;
+ }
if (sinfo[NL80211_STA_INFO_TX_RETRIES])
e->tx_retries =
nla_get_u32(sinfo[NL80211_STA_INFO_TX_RETRIES]);
--
2.19.1
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