From 0933781f11e71350e60ba4466fab5cae6fab4293 Mon Sep 17 00:00:00 2001 From: Ido Schimmel <idosch@mellanox.com> Date: Thu, 11 Oct 2018 07:48:07 +0000 Subject: [PATCH] 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@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> --- 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