mlxsw: spectrum_acl: Add port range key element

Add the port range key element to supported key blocks so that it could
be used to match on the output of the port range registers. Each bit in
the element can be used to match on the output of the port range
register with the corresponding index.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/f0423f6ee9e36c6b0a426bc9995f42223c48f2db.1689092769.git.petrm@nvidia.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

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

@@ -43,6 +43,7 @@ static const struct mlxsw_afk_element_info mlxsw_afk_element_infos[] = {
 	MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP_32_63, 0x38, 4),
 	MLXSW_AFK_ELEMENT_INFO_BUF(DST_IP_0_31, 0x3C, 4),
 	MLXSW_AFK_ELEMENT_INFO_U32(FDB_MISS, 0x40, 0, 1),
+	MLXSW_AFK_ELEMENT_INFO_U32(L4_PORT_RANGE, 0x40, 1, 16),
 };
 
 struct mlxsw_afk {

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

@@ -36,6 +36,7 @@ enum mlxsw_afk_element {
 	MLXSW_AFK_ELEMENT_VIRT_ROUTER_MSB,
 	MLXSW_AFK_ELEMENT_VIRT_ROUTER_LSB,
 	MLXSW_AFK_ELEMENT_FDB_MISS,
+	MLXSW_AFK_ELEMENT_L4_PORT_RANGE,
 	MLXSW_AFK_ELEMENT_MAX,
 };
 

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

@@ -31,12 +31,14 @@ static struct mlxsw_afk_element_inst mlxsw_sp_afk_element_info_l2_smac_ex[] = {
 
 static struct mlxsw_afk_element_inst mlxsw_sp_afk_element_info_ipv4_sip[] = {
 	MLXSW_AFK_ELEMENT_INST_BUF(SRC_IP_0_31, 0x00, 4),
+	MLXSW_AFK_ELEMENT_INST_U32(L4_PORT_RANGE, 0x04, 16, 16),
 	MLXSW_AFK_ELEMENT_INST_U32(IP_PROTO, 0x08, 0, 8),
 	MLXSW_AFK_ELEMENT_INST_U32(SRC_SYS_PORT, 0x0C, 0, 16),
 };
 
 static struct mlxsw_afk_element_inst mlxsw_sp_afk_element_info_ipv4_dip[] = {
 	MLXSW_AFK_ELEMENT_INST_BUF(DST_IP_0_31, 0x00, 4),
+	MLXSW_AFK_ELEMENT_INST_U32(L4_PORT_RANGE, 0x04, 16, 16),
 	MLXSW_AFK_ELEMENT_INST_U32(IP_PROTO, 0x08, 0, 8),
 	MLXSW_AFK_ELEMENT_INST_U32(SRC_SYS_PORT, 0x0C, 0, 16),
 };
@@ -205,6 +207,7 @@ static struct mlxsw_afk_element_inst mlxsw_sp_afk_element_info_l4_0[] = {
 
 static struct mlxsw_afk_element_inst mlxsw_sp_afk_element_info_l4_2[] = {
 	MLXSW_AFK_ELEMENT_INST_U32(TCP_FLAGS, 0x04, 16, 9), /* TCP_CONTROL + TCP_ECN */
+	MLXSW_AFK_ELEMENT_INST_U32(L4_PORT_RANGE, 0x04, 0, 16),
 };
 
 static const struct mlxsw_afk_block mlxsw_sp2_afk_blocks[] = {