netdev - [PATCH net-next 16/19] mlxsw: reg: Add definition of unicast tunnel record for SFD register

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20181011074701.17983-17-idosch@mellanox.com>
Date:   Thu, 11 Oct 2018 07:48:07 +0000
From:   Ido Schimmel <idosch@...lanox.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        Jiri Pirko <jiri@...lanox.com>,
        Petr Machata <petrm@...lanox.com>, mlxsw <mlxsw@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 16/19] mlxsw: reg: Add definition of unicast tunnel
 record for SFD register

Will be used to program the device with FDB records pointing to a NVE
tunnel.

Signed-off-by: Ido Schimmel <idosch@...lanox.com>
Reviewed-by: Petr Machata <petrm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/reg.h | 56 +++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 200cbde2350a..068af0ea7574 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -295,6 +295,7 @@ enum mlxsw_reg_sfd_rec_type {
 	MLXSW_REG_SFD_REC_TYPE_UNICAST = 0x0,
 	MLXSW_REG_SFD_REC_TYPE_UNICAST_LAG = 0x1,
 	MLXSW_REG_SFD_REC_TYPE_MULTICAST = 0x2,
+	MLXSW_REG_SFD_REC_TYPE_UNICAST_TUNNEL = 0xC,
 };
 
 /* reg_sfd_rec_type
@@ -525,6 +526,61 @@ mlxsw_reg_sfd_mc_pack(char *payload, int rec_index,
 	mlxsw_reg_sfd_mc_mid_set(payload, rec_index, mid);
 }
 
+/* reg_sfd_uc_tunnel_uip_msb
+ * When protocol is IPv4, the most significant byte of the underlay IPv4
+ * destination IP.
+ * When protocol is IPv6, reserved.
+ * Access: RW
+ */
+MLXSW_ITEM32_INDEXED(reg, sfd, uc_tunnel_uip_msb, MLXSW_REG_SFD_BASE_LEN, 24,
+		     8, MLXSW_REG_SFD_REC_LEN, 0x08, false);
+
+/* reg_sfd_uc_tunnel_fid
+ * Filtering ID.
+ * Access: Index
+ */
+MLXSW_ITEM32_INDEXED(reg, sfd, uc_tunnel_fid, MLXSW_REG_SFD_BASE_LEN, 0, 16,
+		     MLXSW_REG_SFD_REC_LEN, 0x08, false);
+
+enum mlxsw_reg_sfd_uc_tunnel_protocol {
+	MLXSW_REG_SFD_UC_TUNNEL_PROTOCOL_IPV4,
+	MLXSW_REG_SFD_UC_TUNNEL_PROTOCOL_IPV6,
+};
+
+/* reg_sfd_uc_tunnel_protocol
+ * IP protocol.
+ * Access: RW
+ */
+MLXSW_ITEM32_INDEXED(reg, sfd, uc_tunnel_protocol, MLXSW_REG_SFD_BASE_LEN, 27,
+		     1, MLXSW_REG_SFD_REC_LEN, 0x0C, false);
+
+/* reg_sfd_uc_tunnel_uip_lsb
+ * When protocol is IPv4, the least significant bytes of the underlay
+ * IPv4 destination IP.
+ * When protocol is IPv6, pointer to the underlay IPv6 destination IP
+ * which is configured by RIPS.
+ * Access: RW
+ */
+MLXSW_ITEM32_INDEXED(reg, sfd, uc_tunnel_uip_lsb, MLXSW_REG_SFD_BASE_LEN, 0,
+		     24, MLXSW_REG_SFD_REC_LEN, 0x0C, false);
+
+static inline void
+mlxsw_reg_sfd_uc_tunnel_pack(char *payload, int rec_index,
+			     enum mlxsw_reg_sfd_rec_policy policy,
+			     const char *mac, u16 fid,
+			     enum mlxsw_reg_sfd_rec_action action, u32 uip,
+			     enum mlxsw_reg_sfd_uc_tunnel_protocol proto)
+{
+	mlxsw_reg_sfd_rec_pack(payload, rec_index,
+			       MLXSW_REG_SFD_REC_TYPE_UNICAST_TUNNEL, mac,
+			       action);
+	mlxsw_reg_sfd_rec_policy_set(payload, rec_index, policy);
+	mlxsw_reg_sfd_uc_tunnel_uip_msb_set(payload, rec_index, uip >> 24);
+	mlxsw_reg_sfd_uc_tunnel_uip_lsb_set(payload, rec_index, uip);
+	mlxsw_reg_sfd_uc_tunnel_fid_set(payload, rec_index, fid);
+	mlxsw_reg_sfd_uc_tunnel_protocol_set(payload, rec_index, proto);
+}
+
 /* SFN - Switch FDB Notification Register
  * -------------------------------------------
  * The switch provides notifications on newly learned FDB entries and
-- 
2.17.1