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Date: Mon, 26 Mar 2018 15:01:43 +0300
From: Ido Schimmel <idosch@...lanox.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, yuvalm@...lanox.com, jiri@...lanox.com,
nikolay@...ulusnetworks.com, Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 13/15] mlxsw: spectrum_mr: Add ipv6 specific operations
From: Yuval Mintz <yuvalm@...lanox.com>
Populate the various operation structures meant for IPv6 with logic
unique to that protocol suite.
Signed-off-by: Yuval Mintz <yuvalm@...lanox.com>
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c | 56 +++++++++++++++++++++++
drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h | 1 +
2 files changed, 57 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c
index ba6bcbe6f75b..a82539609d49 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.c
@@ -33,6 +33,7 @@
*/
#include <linux/rhashtable.h>
+#include <net/ipv6.h>
#include "spectrum_mr.h"
#include "spectrum_router.h"
@@ -840,11 +841,60 @@ static bool mlxsw_sp_mr_vif4_is_regular(const struct mlxsw_sp_mr_vif *vif)
return !(vif->vif_flags & (VIFF_TUNNEL | VIFF_REGISTER));
}
+static bool
+mlxsw_sp_mr_route6_validate(const struct mlxsw_sp_mr_table *mr_table,
+ const struct mr_mfc *c)
+{
+ struct mfc6_cache *mfc = (struct mfc6_cache *) c;
+
+ /* If the route is a (*,*) route, abort, as these kind of routes are
+ * used for proxy routes.
+ */
+ if (ipv6_addr_any(&mfc->mf6c_origin) &&
+ ipv6_addr_any(&mfc->mf6c_mcastgrp)) {
+ dev_warn(mr_table->mlxsw_sp->bus_info->dev,
+ "Offloading proxy routes is not supported.\n");
+ return false;
+ }
+ return true;
+}
+
+static void mlxsw_sp_mr_route6_key(struct mlxsw_sp_mr_table *mr_table,
+ struct mlxsw_sp_mr_route_key *key,
+ struct mr_mfc *c)
+{
+ const struct mfc6_cache *mfc = (struct mfc6_cache *) c;
+
+ memset(key, 0, sizeof(*key));
+ key->vrid = mr_table->vr_id;
+ key->proto = MLXSW_SP_L3_PROTO_IPV6;
+ key->group.addr6 = mfc->mf6c_mcastgrp;
+ memset(&key->group_mask.addr6, 0xff, sizeof(key->group_mask.addr6));
+ key->source.addr6 = mfc->mf6c_origin;
+ if (!ipv6_addr_any(&mfc->mf6c_origin))
+ memset(&key->source_mask.addr6, 0xff,
+ sizeof(key->source_mask.addr6));
+}
+
+static bool mlxsw_sp_mr_route6_starg(const struct mlxsw_sp_mr_table *mr_table,
+ const struct mlxsw_sp_mr_route *mr_route)
+{
+ return ipv6_addr_any(&mr_route->key.source_mask.addr6);
+}
+
+static bool mlxsw_sp_mr_vif6_is_regular(const struct mlxsw_sp_mr_vif *vif)
+{
+ return !(vif->vif_flags & MIFF_REGISTER);
+}
+
static struct
mlxsw_sp_mr_vif_ops mlxsw_sp_mr_vif_ops_arr[] = {
{
.is_regular = mlxsw_sp_mr_vif4_is_regular,
},
+ {
+ .is_regular = mlxsw_sp_mr_vif6_is_regular,
+ },
};
static struct
@@ -854,6 +904,12 @@ mlxsw_sp_mr_table_ops mlxsw_sp_mr_table_ops_arr[] = {
.key_create = mlxsw_sp_mr_route4_key,
.is_route_starg = mlxsw_sp_mr_route4_starg,
},
+ {
+ .is_route_valid = mlxsw_sp_mr_route6_validate,
+ .key_create = mlxsw_sp_mr_route6_key,
+ .is_route_starg = mlxsw_sp_mr_route6_starg,
+ },
+
};
struct mlxsw_sp_mr_table *mlxsw_sp_mr_table_create(struct mlxsw_sp *mlxsw_sp,
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h
index 6f94fc9eea1b..7c864a86811d 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h
@@ -36,6 +36,7 @@
#define _MLXSW_SPECTRUM_MCROUTER_H
#include <linux/mroute.h>
+#include <linux/mroute6.h>
#include "spectrum_router.h"
#include "spectrum.h"
--
2.14.3
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