netdev - [patch net-next repost 4/8] mlxsw: spectrum_router: Add IPv6 neighbor access helper

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Date:   Thu, 31 Aug 2017 17:59:15 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, arkadis@...lanox.com, idosch@...lanox.com,
        mlxsw@...lanox.com
Subject: [patch net-next repost 4/8] mlxsw: spectrum_router: Add IPv6 neighbor access helper

From: Arkadi Sharshevsky <arkadis@...lanox.com>

Add helper for accessing destination IP in case of IPv6 neighbor.

Signed-off-by: Arkadi Sharshevsky <arkadis@...lanox.com>
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 9 +++++++++
 drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 1f41bcd..db57c0c 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -947,6 +947,15 @@ u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry)
 	return ntohl(*((__be32 *) n->primary_key));
 }
 
+struct in6_addr *
+mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry)
+{
+	struct neighbour *n;
+
+	n = neigh_entry->key.n;
+	return (struct in6_addr *) &n->primary_key;
+}
+
 int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp,
 			       struct mlxsw_sp_neigh_entry *neigh_entry,
 			       u64 *p_counter)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h
index 5b68616..87a04af 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h
@@ -65,6 +65,8 @@ int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry);
 unsigned char *
 mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry);
 u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);
+struct in6_addr *
+mlxsw_sp_neigh6_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);
 
 #define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif)				\
 	for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry;	\
-- 
2.9.3