Commit e3541022 authored by Danielle Ratson's avatar Danielle Ratson Committed by David S. Miller
Browse files

mlxsw: core_acl_flex_actions: Add SIP_DIP_ACTION 



Add fields related to SIP_DIP_ACTION, which is used for changing of SIP
and DIP addresses.

Signed-off-by: default avatarDanielle Ratson <danieller@nvidia.com>
Reviewed-by: default avatarPetr Machata <petrm@nvidia.com>
Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 47c1a9a4

drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c

+45 −0
Original line number Diff line number Diff line
@@ -1957,6 +1957,51 @@ int mlxsw_afa_block_append_mcrouter(struct mlxsw_afa_block *block, 
}

EXPORT_SYMBOL(mlxsw_afa_block_append_mcrouter);



/* SIP DIP Action

 * --------------

 * The SIP_DIP_ACTION is used for modifying the SIP and DIP fields of the

 * packet, e.g. for NAT. The L3 checksum is updated. Also, if the L4 is TCP or

 * if the L4 is UDP and the checksum field is not zero, then the L4 checksum is

 * updated.

 */



#define MLXSW_AFA_IP_CODE 0x11

#define MLXSW_AFA_IP_SIZE 2



enum mlxsw_afa_ip_s_d {

	/* ip refers to dip */

	MLXSW_AFA_IP_S_D_DIP,

	/* ip refers to sip */

	MLXSW_AFA_IP_S_D_SIP,

};



/* afa_ip_s_d

 * Source or destination.

 */

MLXSW_ITEM32(afa, ip, s_d, 0x00, 31, 1);



enum mlxsw_afa_ip_m_l {

	/* LSB: ip[63:0] refers to ip[63:0] */

	MLXSW_AFA_IP_M_L_LSB,

	/* MSB: ip[63:0] refers to ip[127:64] */

	MLXSW_AFA_IP_M_L_MSB,

};



/* afa_ip_m_l

 * MSB or LSB.

 */

MLXSW_ITEM32(afa, ip, m_l, 0x00, 30, 1);



/* afa_ip_ip_63_32

 * Bits [63:32] in the IP address to change to.

 */

MLXSW_ITEM32(afa, ip, ip_63_32, 0x08, 0, 32);



/* afa_ip_ip_31_0

 * Bits [31:0] in the IP address to change to.

 */

MLXSW_ITEM32(afa, ip, ip_31_0, 0x0C, 0, 32);



/* L4 Port Action

 * --------------

 * The L4_PORT_ACTION is used for modifying the sport and dport fields of the packet, e.g. for NAT.