netdev - [PATCH net-next 5/8] mlxsw: reg: Add a function to fill IPv6 unicast FDB entries

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Message-Id: <20211214142551.606542-6-idosch@nvidia.com>
Date:   Tue, 14 Dec 2021 16:25:48 +0200
From:   Ido Schimmel <idosch@...dia.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, amcohen@...dia.com,
        petrm@...dia.com, mlxsw@...dia.com,
        Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net-next 5/8] mlxsw: reg: Add a function to fill IPv6 unicast FDB entries

From: Amit Cohen <amcohen@...dia.com>

Add a function to fill IPv6 unicast FDB entries. Use the common function
for common fields.

Unlike IPv4 entries, the underlay IP address is not filled in the
register payload, but instead a pointer to KVDL is used.

Signed-off-by: Amit Cohen <amcohen@...dia.com>
Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 drivers/net/ethernet/mellanox/mlxsw/reg.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 50226dae9d4e..f748b537bdab 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -528,6 +528,19 @@ mlxsw_reg_sfd_uc_tunnel_pack4(char *payload, int rec_index,
 				     MLXSW_REG_SFD_UC_TUNNEL_PROTOCOL_IPV4);
 }
 
+static inline void
+mlxsw_reg_sfd_uc_tunnel_pack6(char *payload, int rec_index, const char *mac,
+			      u16 fid, enum mlxsw_reg_sfd_rec_action action,
+			      u32 uip_ptr)
+{
+	mlxsw_reg_sfd_uc_tunnel_uip_lsb_set(payload, rec_index, uip_ptr);
+	/* Only static policy is supported for IPv6 unicast tunnel entry. */
+	mlxsw_reg_sfd_uc_tunnel_pack(payload, rec_index,
+				     MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY,
+				     mac, fid, action,
+				     MLXSW_REG_SFD_UC_TUNNEL_PROTOCOL_IPV6);
+}
+
 enum mlxsw_reg_tunnel_port {
 	MLXSW_REG_TUNNEL_PORT_NVE,
 	MLXSW_REG_TUNNEL_PORT_VPLS,
-- 
2.31.1