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authorRajkumar Manoharan <rmanohar@codeaurora.org>2019-04-11 23:47:24 +0300
committerJohannes Berg <johannes.berg@intel.com>2019-04-26 14:02:11 +0300
commit5ab92e7fe49ad74293b50fb9e6f25be5521e2f68 (patch)
tree9b0559ea110d5c01f08adee634d6d36f2ceb771d /net/wireless/trace.h
parent387bc002250b31cf8012b736e482c9f65cbf7dd5 (diff)
downloadlinux-5ab92e7fe49ad74293b50fb9e6f25be5521e2f68.tar.xz
cfg80211: add support to probe unexercised mesh link
Adding support to allow mesh HWMP to measure link metrics on unexercised direct mesh path by sending some data frames to other mesh points which are not currently selected as a primary traffic path but only 1 hop away. The absence of the primary path to the chosen node makes it necessary to apply some form of marking on a chosen packet stream so that the packets can be properly steered to the selected node for testing, and not by the regular mesh path lookup. Tested-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org> Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/trace.h')
-rw-r--r--net/wireless/trace.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 488ef2ce8231..2abfff925aac 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -3421,6 +3421,24 @@ TRACE_EVENT(cfg80211_update_owe_info_event,
WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer))
);
+TRACE_EVENT(rdev_probe_mesh_link,
+ TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
+ const u8 *dest, const u8 *buf, size_t len),
+ TP_ARGS(wiphy, netdev, dest, buf, len),
+ TP_STRUCT__entry(
+ WIPHY_ENTRY
+ NETDEV_ENTRY
+ MAC_ENTRY(dest)
+ ),
+ TP_fast_assign(
+ WIPHY_ASSIGN;
+ NETDEV_ASSIGN;
+ MAC_ASSIGN(dest, dest);
+ ),
+ TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT,
+ WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(dest))
+);
+
#endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH