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authorPetr Machata <petrm@mellanox.com>2017-09-02 23:49:10 +0200
committerDavid S. Miller <davem@davemloft.net>2017-09-03 20:23:24 -0700
commit7c819de4389bf91878954f41e51a0003171217ff (patch)
tree65fb3a9058acf670fa189498003b7893b4ec0cd5 /drivers/net/ethernet/mellanox
parent99ae8e3e5e609c1d9d4288b3a6eec449733189df (diff)
mlxsw: reg: Update RATR to support IP-in-IP tunnels
So far, adjacencies have always been of type Ethernet (with value of 0), and thus there was no need to explicitly support RATR type. However to support IP-in-IP adjacencies, this type and a suite of IP-in-IP-specific attributes need to be added. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/reg.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 8736f8492fd3..6a7757feee66 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -4362,6 +4362,38 @@ MLXSW_ITEM32(reg, ratr, v, 0x00, 24, 1);
*/
MLXSW_ITEM32(reg, ratr, a, 0x00, 16, 1);
+enum mlxsw_reg_ratr_type {
+ /* Ethernet */
+ MLXSW_REG_RATR_TYPE_ETHERNET,
+ /* IPoIB Unicast without GRH.
+ * Reserved for Spectrum.
+ */
+ MLXSW_REG_RATR_TYPE_IPOIB_UC,
+ /* IPoIB Unicast with GRH. Supported only in table 0 (Ethernet unicast
+ * adjacency).
+ * Reserved for Spectrum.
+ */
+ MLXSW_REG_RATR_TYPE_IPOIB_UC_W_GRH,
+ /* IPoIB Multicast.
+ * Reserved for Spectrum.
+ */
+ MLXSW_REG_RATR_TYPE_IPOIB_MC,
+ /* MPLS.
+ * Reserved for SwitchX/-2.
+ */
+ MLXSW_REG_RATR_TYPE_MPLS,
+ /* IPinIP Encap.
+ * Reserved for SwitchX/-2.
+ */
+ MLXSW_REG_RATR_TYPE_IPIP,
+};
+
+/* reg_ratr_type
+ * Adjacency entry type.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, ratr, type, 0x04, 28, 4);
+
/* reg_ratr_adjacency_index_low
* Bits 15:0 of index into the adjacency table.
* For SwitchX and SwitchX-2, the adjacency table is linear and
@@ -4416,6 +4448,34 @@ MLXSW_ITEM32(reg, ratr, trap_id, 0x0C, 0, 8);
*/
MLXSW_ITEM_BUF(reg, ratr, eth_destination_mac, 0x12, 6);
+enum mlxsw_reg_ratr_ipip_type {
+ /* IPv4, address set by mlxsw_reg_ratr_ipip_ipv4_udip. */
+ MLXSW_REG_RATR_IPIP_TYPE_IPV4,
+ /* IPv6, address set by mlxsw_reg_ratr_ipip_ipv6_ptr. */
+ MLXSW_REG_RATR_IPIP_TYPE_IPV6,
+};
+
+/* reg_ratr_ipip_type
+ * Underlay destination ip type.
+ * Note: the type field must match the protocol of the router interface.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, ratr, ipip_type, 0x10, 16, 4);
+
+/* reg_ratr_ipip_ipv4_udip
+ * Underlay ipv4 dip.
+ * Reserved when ipip_type is IPv6.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, ratr, ipip_ipv4_udip, 0x18, 0, 32);
+
+/* reg_ratr_ipip_ipv6_ptr
+ * Pointer to IPv6 underlay destination ip address.
+ * For Spectrum: Pointer to KVD linear space.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, ratr, ipip_ipv6_ptr, 0x1C, 0, 24);
+
static inline void
mlxsw_reg_ratr_pack(char *payload,
enum mlxsw_reg_ratr_op op, bool valid,
@@ -4435,6 +4495,12 @@ static inline void mlxsw_reg_ratr_eth_entry_pack(char *payload,
mlxsw_reg_ratr_eth_destination_mac_memcpy_to(payload, dest_mac);
}
+static inline void mlxsw_reg_ratr_ipip4_entry_pack(char *payload, u32 ipv4_udip)
+{
+ mlxsw_reg_ratr_ipip_type_set(payload, MLXSW_REG_RATR_IPIP_TYPE_IPV4);
+ mlxsw_reg_ratr_ipip_ipv4_udip_set(payload, ipv4_udip);
+}
+
/* RICNT - Router Interface Counter Register
* -----------------------------------------
* The RICNT register retrieves per port performance counters