diff options
| author | Danielle Ratson <danieller@nvidia.com> | 2022-02-06 18:36:10 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-02-07 14:59:57 +0300 |
| commit | e3541022e48ba9ae5cf0d5e9be2cd5bb8c97a4b7 (patch) | |
| tree | 4b6cd12748a6237bcb2a832484c14933c080e58c /drivers | |
| parent | 47c1a9a4ea784db91de0000d8827472e2d4e4f84 (diff) | |
| download | linux-e3541022e48ba9ae5cf0d5e9be2cd5bb8c97a4b7.tar.xz | |
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: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c | 45 |
1 files changed, 45 insertions, 0 deletions
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. |