HWMP: ic->raw_xmit didn't always point to correct ni.

This is a code re-write. ic->raw_xmit need a pointer to ieee80211_node
for the destination node (da). I have reorganized the code so that
a pointer to the da node is searched for in the end & in one place.

* Make mesh_find_txnode public to be used by HWMP, renamed to
  ieee80211_mesh_finx_txnode;
* changed the argument from ieee80211_node to ieee80211vap for all
  hwmp_send_* functions;
* removed the 'sa' argument from hwmp_send_* functions as all HWMP frames
  have the source address equal to vap->iv_myaddr;
* Modified hwmp_send_action so that if da is MULTCAST ni=vap->iv_bss
  otherwise we called ieee80211_mesh_find_txnode. Also no need to hold
  a reference in this functions if da is not MULTICAST as by finding the
  node it became referenced in ieee80211_find_txnode;

Approved by:	adrian (mentor)

1 files changed, 3 insertions, 0 deletions

diff --git a/sys/net80211/ieee80211_mesh.h b/sys/net80211/ieee80211_mesh.h
index 84a3ef7..5dc2b2c 100644
--- a/sys/net80211/ieee80211_mesh.h
+++ b/sys/net80211/ieee80211_mesh.h
@@ -571,6 +571,9 @@ struct ieee80211_mesh_gate_route *
 		    const uint8_t *, struct ieee80211_mesh_route *);
 void		ieee80211_mesh_forward_to_gates(struct ieee80211vap *,
 		    struct ieee80211_mesh_route *);
+struct ieee80211_node *
+		ieee80211_mesh_find_txnode(struct ieee80211vap *,
+		    const uint8_t [IEEE80211_ADDR_LEN]);
 
 /*
  * Return non-zero if proxy operation is enabled.