net: intel: introduce {, Intel} Ethernet common library

Not a secret there's a ton of code duplication between two and more Intel
ethernet modules.

Before introducing new changes, which would need to be copied over again,
start decoupling the already existing duplicate functionality into a new
module, which will be shared between several Intel Ethernet drivers.
Add the lookup table which converts 8/10-bit hardware packet type into
a parsed bitfield structure for easy checking packet format parameters,
such as payload level, IP version, etc. This is currently used by i40e,
ice and iavf and it's all the same in all three drivers.
The only difference introduced in this implementation is that instead of
defining a 256 (or 1024 in case of ice) element array, add unlikely()
condition to limit the input to 154 (current maximum non-reserved packet
type). There's no reason to waste 600 (or even 3600) bytes only to not
hurt very unlikely exception packets.
The hash computation function now takes payload level directly as a
pkt_hash_type. There's a couple cases when non-IP ptypes are marked as
L3 payload and in the previous versions their hash level would be 2, not
3. But skb_set_hash() only sees difference between L4 and non-L4, thus
this won't change anything at all.
The module is behind the hidden Kconfig symbol, which the drivers will
select when needed. The exports are behind 'LIBIE' namespace to limit
the scope of the functions.

Not that non-HW-specific symbols will live in yet another module,
libeth. This is done to easily distinguish pretty generic code ready
for reusing by any other vendor and/or for moving the layer up from
the code useful in Intel's 1-100G drivers only.

Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

3 files changed, 17 insertions, 415 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h b/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h
index d384ddfcb83e..611577ebc29d 100644
--- a/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h
+++ b/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h
@@ -160,64 +160,6 @@ struct ice_fltr_desc {
 				(0x1ULL << ICE_FXD_FLTR_WB_QW1_FAIL_PROF_S)
 #define ICE_FXD_FLTR_WB_QW1_FAIL_PROF_YES	0x1ULL
 
-struct ice_rx_ptype_decoded {
-	u32 known:1;
-	u32 outer_ip:1;
-	u32 outer_ip_ver:2;
-	u32 outer_frag:1;
-	u32 tunnel_type:3;
-	u32 tunnel_end_prot:2;
-	u32 tunnel_end_frag:1;
-	u32 inner_prot:4;
-	u32 payload_layer:3;
-};
-
-enum ice_rx_ptype_outer_ip {
-	ICE_RX_PTYPE_OUTER_L2	= 0,
-	ICE_RX_PTYPE_OUTER_IP	= 1,
-};
-
-enum ice_rx_ptype_outer_ip_ver {
-	ICE_RX_PTYPE_OUTER_NONE	= 0,
-	ICE_RX_PTYPE_OUTER_IPV4	= 1,
-	ICE_RX_PTYPE_OUTER_IPV6	= 2,
-};
-
-enum ice_rx_ptype_outer_fragmented {
-	ICE_RX_PTYPE_NOT_FRAG	= 0,
-	ICE_RX_PTYPE_FRAG	= 1,
-};
-
-enum ice_rx_ptype_tunnel_type {
-	ICE_RX_PTYPE_TUNNEL_NONE		= 0,
-	ICE_RX_PTYPE_TUNNEL_IP_IP		= 1,
-	ICE_RX_PTYPE_TUNNEL_IP_GRENAT		= 2,
-	ICE_RX_PTYPE_TUNNEL_IP_GRENAT_MAC	= 3,
-	ICE_RX_PTYPE_TUNNEL_IP_GRENAT_MAC_VLAN	= 4,
-};
-
-enum ice_rx_ptype_tunnel_end_prot {
-	ICE_RX_PTYPE_TUNNEL_END_NONE	= 0,
-	ICE_RX_PTYPE_TUNNEL_END_IPV4	= 1,
-	ICE_RX_PTYPE_TUNNEL_END_IPV6	= 2,
-};
-
-enum ice_rx_ptype_inner_prot {
-	ICE_RX_PTYPE_INNER_PROT_NONE		= 0,
-	ICE_RX_PTYPE_INNER_PROT_UDP		= 1,
-	ICE_RX_PTYPE_INNER_PROT_TCP		= 2,
-	ICE_RX_PTYPE_INNER_PROT_SCTP		= 3,
-	ICE_RX_PTYPE_INNER_PROT_ICMP		= 4,
-	ICE_RX_PTYPE_INNER_PROT_TIMESYNC	= 5,
-};
-
-enum ice_rx_ptype_payload_layer {
-	ICE_RX_PTYPE_PAYLOAD_LAYER_NONE	= 0,
-	ICE_RX_PTYPE_PAYLOAD_LAYER_PAY2	= 1,
-	ICE_RX_PTYPE_PAYLOAD_LAYER_PAY3	= 2,
-	ICE_RX_PTYPE_PAYLOAD_LAYER_PAY4	= 3,
-};
-
 /* Rx Flex Descriptor
  * This descriptor is used instead of the legacy version descriptor when
  * ice_rlan_ctx.adv_desc is set
@@ -651,266 +593,4 @@ struct ice_tlan_ctx {
 	u8 int_q_state;	/* width not needed - internal - DO NOT WRITE!!! */
 };
 
-/* The ice_ptype_lkup table is used to convert from the 10-bit ptype in the
- * hardware to a bit-field that can be used by SW to more easily determine the
- * packet type.
- *
- * Macros are used to shorten the table lines and make this table human
- * readable.
- *
- * We store the PTYPE in the top byte of the bit field - this is just so that
- * we can check that the table doesn't have a row missing, as the index into
- * the table should be the PTYPE.
- *
- * Typical work flow:
- *
- * IF NOT ice_ptype_lkup[ptype].known
- * THEN
- *      Packet is unknown
- * ELSE IF ice_ptype_lkup[ptype].outer_ip == ICE_RX_PTYPE_OUTER_IP
- *      Use the rest of the fields to look at the tunnels, inner protocols, etc
- * ELSE
- *      Use the enum ice_rx_l2_ptype to decode the packet type
- * ENDIF
- */
-#define ICE_PTYPES								\
-	/* L2 Packet types */							\
-	ICE_PTT_UNUSED_ENTRY(0),						\
-	ICE_PTT(1, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2),			\
-	ICE_PTT_UNUSED_ENTRY(2),						\
-	ICE_PTT_UNUSED_ENTRY(3),						\
-	ICE_PTT_UNUSED_ENTRY(4),						\
-	ICE_PTT_UNUSED_ENTRY(5),						\
-	ICE_PTT(6, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),			\
-	ICE_PTT(7, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),			\
-	ICE_PTT_UNUSED_ENTRY(8),						\
-	ICE_PTT_UNUSED_ENTRY(9),						\
-	ICE_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),		\
-	ICE_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE),		\
-	ICE_PTT_UNUSED_ENTRY(12),						\
-	ICE_PTT_UNUSED_ENTRY(13),						\
-	ICE_PTT_UNUSED_ENTRY(14),						\
-	ICE_PTT_UNUSED_ENTRY(15),						\
-	ICE_PTT_UNUSED_ENTRY(16),						\
-	ICE_PTT_UNUSED_ENTRY(17),						\
-	ICE_PTT_UNUSED_ENTRY(18),						\
-	ICE_PTT_UNUSED_ENTRY(19),						\
-	ICE_PTT_UNUSED_ENTRY(20),						\
-	ICE_PTT_UNUSED_ENTRY(21),						\
-										\
-	/* Non Tunneled IPv4 */							\
-	ICE_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3),		\
-	ICE_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3),		\
-	ICE_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP,  PAY4),		\
-	ICE_PTT_UNUSED_ENTRY(25),						\
-	ICE_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP,  PAY4),		\
-	ICE_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4),		\
-	ICE_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4),		\
-										\
-	/* IPv4 --> IPv4 */							\
-	ICE_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3),		\
-	ICE_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3),		\
-	ICE_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),		\
-	ICE_PTT_UNUSED_ENTRY(32),						\
-	ICE_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),		\
-	ICE_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),		\
-	ICE_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),		\
-										\
-	/* IPv4 --> IPv6 */							\
-	ICE_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3),		\
-	ICE_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3),		\
-	ICE_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),		\
-	ICE_PTT_UNUSED_ENTRY(39),						\
-	ICE_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),		\
-	ICE_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),		\
-	ICE_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),		\
-										\
-	/* IPv4 --> GRE/NAT */							\
-	ICE_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),		\
-										\
-	/* IPv4 --> GRE/NAT --> IPv4 */						\
-	ICE_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),		\
-	ICE_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),		\
-	ICE_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),		\
-	ICE_PTT_UNUSED_ENTRY(47),						\
-	ICE_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),		\
-	ICE_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),		\
-	ICE_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),		\
-										\
-	/* IPv4 --> GRE/NAT --> IPv6 */						\
-	ICE_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),		\
-	ICE_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),		\
-	ICE_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),		\
-	ICE_PTT_UNUSED_ENTRY(54),						\
-	ICE_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),		\
-	ICE_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),		\
-	ICE_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),		\
-										\
-	/* IPv4 --> GRE/NAT --> MAC */						\
-	ICE_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),	\
-										\
-	/* IPv4 --> GRE/NAT --> MAC --> IPv4 */					\
-	ICE_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),	\
-	ICE_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),	\
-	ICE_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),	\
-	ICE_PTT_UNUSED_ENTRY(62),						\
-	ICE_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),	\
-	ICE_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),	\
-	ICE_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),	\
-										\
-	/* IPv4 --> GRE/NAT -> MAC --> IPv6 */					\
-	ICE_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),	\
-	ICE_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),	\
-	ICE_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),	\
-	ICE_PTT_UNUSED_ENTRY(69),						\
-	ICE_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),	\
-	ICE_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),	\
-	ICE_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),	\
-										\
-	/* IPv4 --> GRE/NAT --> MAC/VLAN */					\
-	ICE_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),	\
-										\
-	/* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */				\
-	ICE_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),	\
-	ICE_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),	\
-	ICE_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),	\
-	ICE_PTT_UNUSED_ENTRY(77),						\
-	ICE_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),	\
-	ICE_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),	\
-	ICE_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),	\
-										\
-	/* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */				\
-	ICE_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),	\
-	ICE_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),	\
-	ICE_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),	\
-	ICE_PTT_UNUSED_ENTRY(84),						\
-	ICE_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),	\
-	ICE_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),	\
-	ICE_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),	\
-										\
-	/* Non Tunneled IPv6 */							\
-	ICE_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3),		\
-	ICE_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3),		\
-	ICE_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP,  PAY4),		\
-	ICE_PTT_UNUSED_ENTRY(91),						\
-	ICE_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP,  PAY4),		\
-	ICE_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4),		\
-	ICE_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4),		\
-										\
-	/* IPv6 --> IPv4 */							\
-	ICE_PTT(95, IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3),		\
-	ICE_PTT(96, IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3),		\
-	ICE_PTT(97, IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP,  PAY4),		\
-	ICE_PTT_UNUSED_ENTRY(98),						\
-	ICE_PTT(99, IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP,  PAY4),		\
-	ICE_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4),		\
-	ICE_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4),		\
-										\
-	/* IPv6 --> IPv6 */							\
-	ICE_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3),		\
-	ICE_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3),		\
-	ICE_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP,  PAY4),		\
-	ICE_PTT_UNUSED_ENTRY(105),						\
-	ICE_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP,  PAY4),		\
-	ICE_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4),		\
-	ICE_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4),		\
-										\
-	/* IPv6 --> GRE/NAT */							\
-	ICE_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3),		\
-										\
-	/* IPv6 --> GRE/NAT -> IPv4 */						\
-	ICE_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3),		\
-	ICE_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3),		\
-	ICE_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP,  PAY4),		\
-	ICE_PTT_UNUSED_ENTRY(113),						\
-	ICE_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP,  PAY4),		\
-	ICE_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4),		\
-	ICE_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4),		\
-										\
-	/* IPv6 --> GRE/NAT -> IPv6 */						\
-	ICE_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3),		\
-	ICE_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3),		\
-	ICE_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP,  PAY4),		\
-	ICE_PTT_UNUSED_ENTRY(120),						\
-	ICE_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP,  PAY4),		\
-	ICE_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4),		\
-	ICE_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4),		\
-										\
-	/* IPv6 --> GRE/NAT -> MAC */						\
-	ICE_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3),	\
-										\
-	/* IPv6 --> GRE/NAT -> MAC -> IPv4 */					\
-	ICE_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3),	\
-	ICE_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3),	\
-	ICE_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP,  PAY4),	\
-	ICE_PTT_UNUSED_ENTRY(128),						\
-	ICE_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP,  PAY4),	\
-	ICE_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4),	\
-	ICE_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4),	\
-										\
-	/* IPv6 --> GRE/NAT -> MAC -> IPv6 */					\
-	ICE_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3),	\
-	ICE_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3),	\
-	ICE_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP,  PAY4),	\
-	ICE_PTT_UNUSED_ENTRY(135),						\
-	ICE_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP,  PAY4),	\
-	ICE_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4),	\
-	ICE_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4),	\
-										\
-	/* IPv6 --> GRE/NAT -> MAC/VLAN */					\
-	ICE_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3),	\
-										\
-	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */				\
-	ICE_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3),	\
-	ICE_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3),	\
-	ICE_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP,  PAY4),	\
-	ICE_PTT_UNUSED_ENTRY(143),						\
-	ICE_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP,  PAY4),	\
-	ICE_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4),	\
-	ICE_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4),	\
-										\
-	/* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */				\
-	ICE_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3),	\
-	ICE_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3),	\
-	ICE_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP,  PAY4),	\
-	ICE_PTT_UNUSED_ENTRY(150),						\
-	ICE_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP,  PAY4),	\
-	ICE_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4),	\
-	ICE_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4),
-
-#define ICE_NUM_DEFINED_PTYPES	154
-
-/* macro to make the table lines short, use explicit indexing with [PTYPE] */
-#define ICE_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\
-	[PTYPE] = { \
-		1, \
-		ICE_RX_PTYPE_OUTER_##OUTER_IP, \
-		ICE_RX_PTYPE_OUTER_##OUTER_IP_VER, \
-		ICE_RX_PTYPE_##OUTER_FRAG, \
-		ICE_RX_PTYPE_TUNNEL_##T, \
-		ICE_RX_PTYPE_TUNNEL_END_##TE, \
-		ICE_RX_PTYPE_##TEF, \
-		ICE_RX_PTYPE_INNER_PROT_##I, \
-		ICE_RX_PTYPE_PAYLOAD_LAYER_##PL }
-
-#define ICE_PTT_UNUSED_ENTRY(PTYPE) [PTYPE] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 }
-
-/* shorter macros makes the table fit but are terse */
-#define ICE_RX_PTYPE_NOF		ICE_RX_PTYPE_NOT_FRAG
-#define ICE_RX_PTYPE_FRG		ICE_RX_PTYPE_FRAG
-
-/* Lookup table mapping in the 10-bit HW PTYPE to the bit field for decoding */
-static const struct ice_rx_ptype_decoded ice_ptype_lkup[BIT(10)] = {
-	ICE_PTYPES
-
-	/* unused entries */
-	[ICE_NUM_DEFINED_PTYPES ... 1023] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 }
-};
-
-static inline struct ice_rx_ptype_decoded ice_decode_rx_desc_ptype(u16 ptype)
-{
-	return ice_ptype_lkup[ptype];
-}
-
-
 #endif /* _ICE_LAN_TX_RX_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 2b173638b877..f55b57daec83 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -37,6 +37,7 @@ static const char ice_copyright[] = "Copyright (c) 2018, Intel Corporation.";
 
 MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
 MODULE_DESCRIPTION(DRV_SUMMARY);
+MODULE_IMPORT_NS(LIBIE);
 MODULE_LICENSE("GPL v2");
 MODULE_FIRMWARE(ICE_DDP_PKG_FILE);
 
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
index df072ce767b1..2719f0e20933 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
@@ -2,6 +2,7 @@
 /* Copyright (c) 2019, Intel Corporation. */
 
 #include <linux/filter.h>
+#include <linux/net/intel/libie/rx.h>
 
 #include "ice_txrx_lib.h"
 #include "ice_eswitch.h"
@@ -39,30 +40,6 @@ void ice_release_rx_desc(struct ice_rx_ring *rx_ring, u16 val)
 }
 
 /**
- * ice_ptype_to_htype - get a hash type
- * @ptype: the ptype value from the descriptor
- *
- * Returns appropriate hash type (such as PKT_HASH_TYPE_L2/L3/L4) to be used by
- * skb_set_hash based on PTYPE as parsed by HW Rx pipeline and is part of
- * Rx desc.
- */
-static enum pkt_hash_types ice_ptype_to_htype(u16 ptype)
-{
-	struct ice_rx_ptype_decoded decoded = ice_decode_rx_desc_ptype(ptype);
-
-	if (!decoded.known)
-		return PKT_HASH_TYPE_NONE;
-	if (decoded.payload_layer == ICE_RX_PTYPE_PAYLOAD_LAYER_PAY4)
-		return PKT_HASH_TYPE_L4;
-	if (decoded.payload_layer == ICE_RX_PTYPE_PAYLOAD_LAYER_PAY3)
-		return PKT_HASH_TYPE_L3;
-	if (decoded.outer_ip == ICE_RX_PTYPE_OUTER_L2)
-		return PKT_HASH_TYPE_L2;
-
-	return PKT_HASH_TYPE_NONE;
-}
-
-/**
  * ice_get_rx_hash - get RX hash value from descriptor
  * @rx_desc: specific descriptor
  *
@@ -91,14 +68,16 @@ ice_rx_hash_to_skb(const struct ice_rx_ring *rx_ring,
 		   const union ice_32b_rx_flex_desc *rx_desc,
 		   struct sk_buff *skb, u16 rx_ptype)
 {
+	struct libeth_rx_pt decoded;
 	u32 hash;
 
-	if (!(rx_ring->netdev->features & NETIF_F_RXHASH))
+	decoded = libie_rx_pt_parse(rx_ptype);
+	if (!libeth_rx_pt_has_hash(rx_ring->netdev, decoded))
 		return;
 
 	hash = ice_get_rx_hash(rx_desc);
 	if (likely(hash))
-		skb_set_hash(skb, hash, ice_ptype_to_htype(rx_ptype));
+		libeth_rx_pt_set_hash(skb, hash, decoded);
 }
 
 /**
@@ -114,34 +93,26 @@ static void
 ice_rx_csum(struct ice_rx_ring *ring, struct sk_buff *skb,
 	    union ice_32b_rx_flex_desc *rx_desc, u16 ptype)
 {
-	struct ice_rx_ptype_decoded decoded;
+	struct libeth_rx_pt decoded;
 	u16 rx_status0, rx_status1;
 	bool ipv4, ipv6;
 
-	rx_status0 = le16_to_cpu(rx_desc->wb.status_error0);
-	rx_status1 = le16_to_cpu(rx_desc->wb.status_error1);
-
-	decoded = ice_decode_rx_desc_ptype(ptype);
-
 	/* Start with CHECKSUM_NONE and by default csum_level = 0 */
 	skb->ip_summed = CHECKSUM_NONE;
-	skb_checksum_none_assert(skb);
 
-	/* check if Rx checksum is enabled */
-	if (!(ring->netdev->features & NETIF_F_RXCSUM))
+	decoded = libie_rx_pt_parse(ptype);
+	if (!libeth_rx_pt_has_checksum(ring->netdev, decoded))
 		return;
 
+	rx_status0 = le16_to_cpu(rx_desc->wb.status_error0);
+	rx_status1 = le16_to_cpu(rx_desc->wb.status_error1);
+
 	/* check if HW has decoded the packet and checksum */
 	if (!(rx_status0 & BIT(ICE_RX_FLEX_DESC_STATUS0_L3L4P_S)))
 		return;
 
-	if (!(decoded.known && decoded.outer_ip))
-		return;
-
-	ipv4 = (decoded.outer_ip == ICE_RX_PTYPE_OUTER_IP) &&
-	       (decoded.outer_ip_ver == ICE_RX_PTYPE_OUTER_IPV4);
-	ipv6 = (decoded.outer_ip == ICE_RX_PTYPE_OUTER_IP) &&
-	       (decoded.outer_ip_ver == ICE_RX_PTYPE_OUTER_IPV6);
+	ipv4 = libeth_rx_pt_get_ip_ver(decoded) == LIBETH_RX_PT_OUTER_IPV4;
+	ipv6 = libeth_rx_pt_get_ip_ver(decoded) == LIBETH_RX_PT_OUTER_IPV6;
 
 	if (ipv4 && (rx_status0 & (BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S)))) {
 		ring->vsi->back->hw_rx_eipe_error++;
@@ -169,19 +140,10 @@ ice_rx_csum(struct ice_rx_ring *ring, struct sk_buff *skb,
 	 * we need to bump the checksum level by 1 to reflect the fact that
 	 * we are indicating we validated the inner checksum.
 	 */
-	if (decoded.tunnel_type >= ICE_RX_PTYPE_TUNNEL_IP_GRENAT)
+	if (decoded.tunnel_type >= LIBETH_RX_PT_TUNNEL_IP_GRENAT)
 		skb->csum_level = 1;
 
-	/* Only report checksum unnecessary for TCP, UDP, or SCTP */
-	switch (decoded.inner_prot) {
-	case ICE_RX_PTYPE_INNER_PROT_TCP:
-	case ICE_RX_PTYPE_INNER_PROT_UDP:
-	case ICE_RX_PTYPE_INNER_PROT_SCTP:
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
-		break;
-	default:
-		break;
-	}
+	skb->ip_summed = CHECKSUM_UNNECESSARY;
 	return;
 
 checksum_fail:
@@ -536,42 +498,6 @@ static int ice_xdp_rx_hw_ts(const struct xdp_md *ctx, u64 *ts_ns)
 	return 0;
 }
 
-/* Define a ptype index -> XDP hash type lookup table.
- * It uses the same ptype definitions as ice_decode_rx_desc_ptype[],
- * avoiding possible copy-paste errors.
- */
-#undef ICE_PTT
-#undef ICE_PTT_UNUSED_ENTRY
-
-#define ICE_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\
-	[PTYPE] = XDP_RSS_L3_##OUTER_IP_VER | XDP_RSS_L4_##I | XDP_RSS_TYPE_##PL
-
-#define ICE_PTT_UNUSED_ENTRY(PTYPE) [PTYPE] = 0
-
-/* A few supplementary definitions for when XDP hash types do not coincide
- * with what can be generated from ptype definitions
- * by means of preprocessor concatenation.
- */
-#define XDP_RSS_L3_NONE		XDP_RSS_TYPE_NONE
-#define XDP_RSS_L4_NONE		XDP_RSS_TYPE_NONE
-#define XDP_RSS_TYPE_PAY2	XDP_RSS_TYPE_L2
-#define XDP_RSS_TYPE_PAY3	XDP_RSS_TYPE_NONE
-#define XDP_RSS_TYPE_PAY4	XDP_RSS_L4
-
-static const enum xdp_rss_hash_type
-ice_ptype_to_xdp_hash[ICE_NUM_DEFINED_PTYPES] = {
-	ICE_PTYPES
-};
-
-#undef XDP_RSS_L3_NONE
-#undef XDP_RSS_L4_NONE
-#undef XDP_RSS_TYPE_PAY2
-#undef XDP_RSS_TYPE_PAY3
-#undef XDP_RSS_TYPE_PAY4
-
-#undef ICE_PTT
-#undef ICE_PTT_UNUSED_ENTRY
-
 /**
  * ice_xdp_rx_hash_type - Get XDP-specific hash type from the RX descriptor
  * @eop_desc: End of Packet descriptor
@@ -579,12 +505,7 @@ ice_ptype_to_xdp_hash[ICE_NUM_DEFINED_PTYPES] = {
 static enum xdp_rss_hash_type
 ice_xdp_rx_hash_type(const union ice_32b_rx_flex_desc *eop_desc)
 {
-	u16 ptype = ice_get_ptype(eop_desc);
-
-	if (unlikely(ptype >= ICE_NUM_DEFINED_PTYPES))
-		return 0;
-
-	return ice_ptype_to_xdp_hash[ptype];
+	return libie_rx_pt_parse(ice_get_ptype(eop_desc)).hash_type;
 }
 
 /**