| From fd9861fb72e25bf25242551185d0a319305f49bb Mon Sep 17 00:00:00 2001 |
| From: Julan Hsu <julanhsu@google.com> |
| Date: Tue, 15 Jan 2019 15:28:43 -0800 |
| Subject: [PATCH] FROMGIT: nl80211/mac80211: mesh: add mesh path change count |
| to mpath info |
| |
| Expose path change count to destination in mpath info |
| |
| Signed-off-by: Julan Hsu <julanhsu@google.com> |
| Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
| |
| (cherry-picked from commit 540bbcb930ed2fc9d6a57e0babea00027a7ecc67 |
| git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git) |
| |
| BUG=b:117941803 |
| TEST=use mpath dump to verify path change over time |
| |
| Change-Id: Iefdf2c782fda4545c714e2989a04c5d77b809177 |
| Reviewed-on: https://chromium-review.googlesource.com/1450134 |
| Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> |
| Tested-by: Julan Hsu <julanhsu@google.com> |
| Reviewed-by: Brian Norris <briannorris@chromium.org> |
| --- |
| include/net/cfg80211.h | 5 ++++- |
| 1 file changed, 4 insertions(+), 1 deletion(-) |
| |
| diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h |
| index 330d6678b29a..f84efe908aae 100644 |
| --- a/include/net/cfg80211.h |
| +++ b/include/net/cfg80211.h |
| @@ -1262,7 +1262,8 @@ enum mpath_info_flags { |
| MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4), |
| MPATH_INFO_DISCOVERY_RETRIES = BIT(5), |
| MPATH_INFO_FLAGS = BIT(6), |
| - MPATH_INFO_HOP_COUNT = BIT(7) |
| + MPATH_INFO_HOP_COUNT = BIT(7), |
| + MPATH_INFO_PATH_CHANGE = BIT(8), |
| }; |
| |
| /** |
| @@ -1283,6 +1284,7 @@ enum mpath_info_flags { |
| * changes, i.e. when a station is added or removed, so that |
| * userspace can tell whether it got a consistent snapshot. |
| * @hop_count: hops to destination |
| + * @path_change_count: total number of path changes to destination |
| */ |
| struct mpath_info { |
| u32 filled; |
| @@ -1294,6 +1296,7 @@ struct mpath_info { |
| u8 discovery_retries; |
| u8 flags; |
| u8 hop_count; |
| + u32 path_change_count; |
| |
| int generation; |
| }; |
| -- |
| 2.21.0.360.g471c308f928-goog |
| |
