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Date: Sun, 6 Feb 2022 17:36:10 +0200 From: Ido Schimmel <idosch@...dia.com> To: netdev@...r.kernel.org Cc: davem@...emloft.net, kuba@...nel.org, petrm@...dia.com, danieller@...dia.com, mlxsw@...dia.com, Ido Schimmel <idosch@...dia.com> Subject: [PATCH net-next 1/4] mlxsw: core_acl_flex_actions: Add SIP_DIP_ACTION From: Danielle Ratson <danieller@...dia.com> Add fields related to SIP_DIP_ACTION, which is used for changing of SIP and DIP addresses. Signed-off-by: Danielle Ratson <danieller@...dia.com> Reviewed-by: Petr Machata <petrm@...dia.com> Signed-off-by: Ido Schimmel <idosch@...dia.com> --- .../mellanox/mlxsw/core_acl_flex_actions.c | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c index 77e82e6cf6e8..b6fe26ee488b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c @@ -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. -- 2.33.1
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