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Commit 0933781f authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

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: default avatarIdo Schimmel <idosch@mellanox.com>
Reviewed-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8efcf6bb

drivers/net/ethernet/mellanox/mlxsw/reg.h

+56 −0
Original line number Diff line number Diff line
@@ -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