Hello!
On 8/28/2018 5:24 AM, Yuan-Chi Pang wrote:
IEEE 802.11-2016 14.10.8.3 HWMP sequence numbering says:
If it is a target mesh STA, it shall update its own HWMP SN to
maximum (current HWMP SN, target HWMP SN in the PREQ element) + 1
immediately before it generates a PREP element in response to a
PREQ element.
Signed-off-by: Yuan-Chi Pang <fu3mo6goo@xxxxxxxxx>
---
net/mac80211/mesh_hwmp.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 35ad398..6c21a26 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -572,6 +572,11 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
forward = false;
reply = true;
target_metric = 0;
+
+ if (SN_GT(target_sn, ifmsh->sn)) {
+ ifmsh->sn = target_sn;
+ }
No need for {} enclosing a single statement.
[...]
MBR, Sergei
