aboutsummaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
authorAmit Cohen <amitc@mellanox.com>2020-01-19 15:00:50 +0200
committerDavid S. Miller <davem@davemloft.net>2020-01-19 16:23:52 +0100
commit20174900ad38cb090616add90665e2ff41c29dc9 (patch)
tree6df47c322a52624a31b56181b0ef4b7264a0a52e
parentmlxsw: Add NON_ROUTABLE trap (diff)
downloadwireguard-linux-20174900ad38cb090616add90665e2ff41c29dc9.tar.xz
wireguard-linux-20174900ad38cb090616add90665e2ff41c29dc9.zip
mlxsw: reg: Add Tunneling IPinIP Encapsulation ECN Mapping Register
This register performs mapping from overlay ECN to underlay ECN during IPinIP encapsulation. Signed-off-by: Amit Cohen <amitc@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/reg.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index fd59280cf979..19a84641d485 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -10140,6 +10140,36 @@ static inline void mlxsw_reg_tigcr_pack(char *payload, bool ttlc, u8 ttl_uc)
mlxsw_reg_tigcr_ttl_uc_set(payload, ttl_uc);
}
+/* TIEEM - Tunneling IPinIP Encapsulation ECN Mapping Register
+ * -----------------------------------------------------------
+ * The TIEEM register maps ECN of the IP header at the ingress to the
+ * encapsulation to the ECN of the underlay network.
+ */
+#define MLXSW_REG_TIEEM_ID 0xA812
+#define MLXSW_REG_TIEEM_LEN 0x0C
+
+MLXSW_REG_DEFINE(tieem, MLXSW_REG_TIEEM_ID, MLXSW_REG_TIEEM_LEN);
+
+/* reg_tieem_overlay_ecn
+ * ECN of the IP header in the overlay network.
+ * Access: Index
+ */
+MLXSW_ITEM32(reg, tieem, overlay_ecn, 0x04, 24, 2);
+
+/* reg_tineem_underlay_ecn
+ * ECN of the IP header in the underlay network.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, tieem, underlay_ecn, 0x04, 16, 2);
+
+static inline void mlxsw_reg_tieem_pack(char *payload, u8 overlay_ecn,
+ u8 underlay_ecn)
+{
+ MLXSW_REG_ZERO(tieem, payload);
+ mlxsw_reg_tieem_overlay_ecn_set(payload, overlay_ecn);
+ mlxsw_reg_tieem_underlay_ecn_set(payload, underlay_ecn);
+}
+
/* SBPR - Shared Buffer Pools Register
* -----------------------------------
* The SBPR configures and retrieves the shared buffer pools and configuration.
@@ -10684,6 +10714,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
MLXSW_REG(tndem),
MLXSW_REG(tnpc),
MLXSW_REG(tigcr),
+ MLXSW_REG(tieem),
MLXSW_REG(sbpr),
MLXSW_REG(sbcm),
MLXSW_REG(sbpm),