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cfg80211: add support to probe unexercised mesh link

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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>
This commit is contained in:
Rajkumar Manoharan
2019-04-11 13:47:24 -07:00
committed by Johannes Berg
parent 387bc00225
commit 5ab92e7fe4
5 changed files with 101 additions and 0 deletions
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13
net/wireless/rdev-ops.h
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@@ -1286,4 +1286,17 @@ static inline int rdev_update_owe_info(struct cfg80211_registered_device *rdev,
return ret;
}
static inline int
rdev_probe_mesh_link(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *dest,
const void *buf, size_t len)
{
int ret;
trace_rdev_probe_mesh_link(&rdev->wiphy, dev, dest, buf, len);
ret = rdev->ops->probe_mesh_link(&rdev->wiphy, dev, buf, len);
trace_rdev_return_int(&rdev->wiphy, ret);
return ret;
}
#endif /* __CFG80211_RDEV_OPS */