Merge branch 'mlxsw-router-fixes'
Jiri Pirko says: ==================== mlxsw: Router fixes Ido says: First two patches ensure we remove from the device's table neighbours that are considered to be dead by the neighbour core. The last patch removes nexthop groups from the device when they are no longer valid. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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d3a51d6cbc
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@ -942,7 +942,7 @@ static void mlxsw_sp_router_neigh_update_hw(struct work_struct *work)
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char rauht_pl[MLXSW_REG_RAUHT_LEN];
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struct net_device *dev;
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bool entry_connected;
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u8 nud_state;
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u8 nud_state, dead;
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bool updating;
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bool removing;
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bool adding;
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@ -953,10 +953,11 @@ static void mlxsw_sp_router_neigh_update_hw(struct work_struct *work)
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dip = ntohl(*((__be32 *) n->primary_key));
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memcpy(neigh_entry->ha, n->ha, sizeof(neigh_entry->ha));
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nud_state = n->nud_state;
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dead = n->dead;
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dev = n->dev;
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read_unlock_bh(&n->lock);
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entry_connected = nud_state & NUD_VALID;
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entry_connected = nud_state & NUD_VALID && !dead;
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adding = (!neigh_entry->offloaded) && entry_connected;
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updating = neigh_entry->offloaded && entry_connected;
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removing = neigh_entry->offloaded && !entry_connected;
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@ -1351,7 +1352,7 @@ static int mlxsw_sp_nexthop_init(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_neigh_entry *neigh_entry;
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struct net_device *dev = fib_nh->nh_dev;
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struct neighbour *n;
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u8 nud_state;
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u8 nud_state, dead;
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/* Take a reference of neigh here ensuring that neigh would
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* not be detructed before the nexthop entry is finished.
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@ -1383,8 +1384,9 @@ static int mlxsw_sp_nexthop_init(struct mlxsw_sp *mlxsw_sp,
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list_add_tail(&nh->neigh_list_node, &neigh_entry->nexthop_list);
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read_lock_bh(&n->lock);
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nud_state = n->nud_state;
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dead = n->dead;
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read_unlock_bh(&n->lock);
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__mlxsw_sp_nexthop_neigh_update(nh, !(nud_state & NUD_VALID));
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__mlxsw_sp_nexthop_neigh_update(nh, !(nud_state & NUD_VALID && !dead));
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return 0;
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}
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@ -1394,6 +1396,7 @@ static void mlxsw_sp_nexthop_fini(struct mlxsw_sp *mlxsw_sp,
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{
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struct mlxsw_sp_neigh_entry *neigh_entry = nh->neigh_entry;
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__mlxsw_sp_nexthop_neigh_update(nh, true);
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list_del(&nh->neigh_list_node);
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/* If that is the last nexthop connected to that neigh, remove from
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@ -1452,6 +1455,8 @@ mlxsw_sp_nexthop_group_destroy(struct mlxsw_sp *mlxsw_sp,
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nh = &nh_grp->nexthops[i];
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mlxsw_sp_nexthop_fini(mlxsw_sp, nh);
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}
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mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh_grp);
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WARN_ON_ONCE(nh_grp->adj_index_valid);
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kfree(nh_grp);
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}
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@ -100,6 +100,7 @@ static void neigh_cleanup_and_release(struct neighbour *neigh)
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neigh->parms->neigh_cleanup(neigh);
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__neigh_notify(neigh, RTM_DELNEIGH, 0);
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call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, neigh);
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neigh_release(neigh);
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}
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