diff options
23 files changed, 426 insertions, 1220 deletions
diff --git a/drivers/net/ethernet/intel/Kconfig b/drivers/net/ethernet/intel/Kconfig index 6e7901e12699..e0287fbd501d 100644 --- a/drivers/net/ethernet/intel/Kconfig +++ b/drivers/net/ethernet/intel/Kconfig @@ -16,6 +16,9 @@ config NET_VENDOR_INTEL if NET_VENDOR_INTEL +source "drivers/net/ethernet/intel/libeth/Kconfig" +source "drivers/net/ethernet/intel/libie/Kconfig" + config E100 tristate "Intel(R) PRO/100+ support" depends on PCI @@ -225,6 +228,7 @@ config I40E depends on PTP_1588_CLOCK_OPTIONAL depends on PCI select AUXILIARY_BUS + select LIBIE select NET_DEVLINK help This driver supports Intel(R) Ethernet Controller XL710 Family of @@ -253,6 +257,8 @@ config I40E_DCB # so that CONFIG_IAVF symbol will always mirror the state of CONFIG_I40EVF config IAVF tristate + select LIBIE + config I40EVF tristate "Intel(R) Ethernet Adaptive Virtual Function support" select IAVF @@ -283,6 +289,7 @@ config ICE depends on GNSS || GNSS = n select AUXILIARY_BUS select DIMLIB + select LIBIE select NET_DEVLINK select PLDMFW select DPLL diff --git a/drivers/net/ethernet/intel/Makefile b/drivers/net/ethernet/intel/Makefile index dacb481ee5b1..04c844ef4964 100644 --- a/drivers/net/ethernet/intel/Makefile +++ b/drivers/net/ethernet/intel/Makefile @@ -3,6 +3,9 @@ # Makefile for the Intel network device drivers. # +obj-$(CONFIG_LIBETH) += libeth/ +obj-$(CONFIG_LIBIE) += libie/ + obj-$(CONFIG_E100) += e100.o obj-$(CONFIG_E1000) += e1000/ obj-$(CONFIG_E1000E) += e1000e/ diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index de6ca6295742..e8031f1a9b4f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -381,259 +381,6 @@ int i40e_aq_set_rss_key(struct i40e_hw *hw, return i40e_aq_get_set_rss_key(hw, vsi_id, key, true); } -/* The i40e_ptype_lookup table is used to convert from the 8-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 i40e_ptype_lookup[ptype].known - * THEN - * Packet is unknown - * ELSE IF i40e_ptype_lookup[ptype].outer_ip == I40E_RX_PTYPE_OUTER_IP - * Use the rest of the fields to look at the tunnels, inner protocols, etc - * ELSE - * Use the enum i40e_rx_l2_ptype to decode the packet type - * ENDIF - */ - -/* macro to make the table lines short, use explicit indexing with [PTYPE] */ -#define I40E_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\ - [PTYPE] = { \ - 1, \ - I40E_RX_PTYPE_OUTER_##OUTER_IP, \ - I40E_RX_PTYPE_OUTER_##OUTER_IP_VER, \ - I40E_RX_PTYPE_##OUTER_FRAG, \ - I40E_RX_PTYPE_TUNNEL_##T, \ - I40E_RX_PTYPE_TUNNEL_END_##TE, \ - I40E_RX_PTYPE_##TEF, \ - I40E_RX_PTYPE_INNER_PROT_##I, \ - I40E_RX_PTYPE_PAYLOAD_LAYER_##PL } - -#define I40E_PTT_UNUSED_ENTRY(PTYPE) [PTYPE] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 } - -/* shorter macros makes the table fit but are terse */ -#define I40E_RX_PTYPE_NOF I40E_RX_PTYPE_NOT_FRAG -#define I40E_RX_PTYPE_FRG I40E_RX_PTYPE_FRAG -#define I40E_RX_PTYPE_INNER_PROT_TS I40E_RX_PTYPE_INNER_PROT_TIMESYNC - -/* Lookup table mapping in the 8-bit HW PTYPE to the bit field for decoding */ -struct i40e_rx_ptype_decoded i40e_ptype_lookup[BIT(8)] = { - /* L2 Packet types */ - I40E_PTT_UNUSED_ENTRY(0), - I40E_PTT(1, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - I40E_PTT(2, L2, NONE, NOF, NONE, NONE, NOF, TS, PAY2), - I40E_PTT(3, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - I40E_PTT_UNUSED_ENTRY(4), - I40E_PTT_UNUSED_ENTRY(5), - I40E_PTT(6, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - I40E_PTT(7, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - I40E_PTT_UNUSED_ENTRY(8), - I40E_PTT_UNUSED_ENTRY(9), - I40E_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - I40E_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE), - I40E_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - - /* Non Tunneled IPv4 */ - I40E_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(25), - I40E_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP, PAY4), - I40E_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4), - I40E_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4), - - /* IPv4 --> IPv4 */ - I40E_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3), - I40E_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3), - I40E_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(32), - I40E_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP, PAY4), - I40E_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4), - I40E_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4), - - /* IPv4 --> IPv6 */ - I40E_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3), - I40E_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3), - I40E_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(39), - I40E_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP, PAY4), - I40E_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4), - I40E_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT */ - I40E_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3), - - /* IPv4 --> GRE/NAT --> IPv4 */ - I40E_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3), - I40E_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3), - I40E_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(47), - I40E_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4), - I40E_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4), - I40E_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT --> IPv6 */ - I40E_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3), - I40E_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3), - I40E_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(54), - I40E_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4), - I40E_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4), - I40E_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT --> MAC */ - I40E_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3), - - /* IPv4 --> GRE/NAT --> MAC --> IPv4 */ - I40E_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3), - I40E_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3), - I40E_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(62), - I40E_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4), - I40E_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4), - I40E_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT -> MAC --> IPv6 */ - I40E_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3), - I40E_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3), - I40E_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(69), - I40E_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP, PAY4), - I40E_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4), - I40E_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT --> MAC/VLAN */ - I40E_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3), - - /* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */ - I40E_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3), - I40E_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3), - I40E_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(77), - I40E_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP, PAY4), - I40E_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4), - I40E_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4), - - /* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */ - I40E_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3), - I40E_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3), - I40E_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(84), - I40E_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP, PAY4), - I40E_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4), - I40E_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4), - - /* Non Tunneled IPv6 */ - I40E_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3), - I40E_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(91), - I40E_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP, PAY4), - I40E_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4), - I40E_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4), - - /* IPv6 --> IPv4 */ - I40E_PTT(95, IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3), - I40E_PTT(96, IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3), - I40E_PTT(97, IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(98), - I40E_PTT(99, IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP, PAY4), - I40E_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4), - I40E_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> IPv6 */ - I40E_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3), - I40E_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3), - I40E_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(105), - I40E_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP, PAY4), - I40E_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4), - I40E_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT */ - I40E_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3), - - /* IPv6 --> GRE/NAT -> IPv4 */ - I40E_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3), - I40E_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3), - I40E_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(113), - I40E_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4), - I40E_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4), - I40E_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> IPv6 */ - I40E_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3), - I40E_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3), - I40E_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(120), - I40E_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4), - I40E_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4), - I40E_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC */ - I40E_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3), - - /* IPv6 --> GRE/NAT -> MAC -> IPv4 */ - I40E_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3), - I40E_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3), - I40E_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(128), - I40E_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4), - I40E_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4), - I40E_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC -> IPv6 */ - I40E_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3), - I40E_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3), - I40E_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(135), - I40E_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP, PAY4), - I40E_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4), - I40E_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC/VLAN */ - I40E_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3), - - /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */ - I40E_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3), - I40E_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3), - I40E_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(143), - I40E_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP, PAY4), - I40E_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4), - I40E_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */ - I40E_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3), - I40E_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3), - I40E_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4), - I40E_PTT_UNUSED_ENTRY(150), - I40E_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP, PAY4), - I40E_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4), - I40E_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4), - - /* unused entries */ - [154 ... 255] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 } -}; - /** * i40e_init_shared_code - Initialize the shared code * @hw: pointer to hardware structure diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 0bdcdea0be3e..164afd8ce5a0 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -100,6 +100,7 @@ MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all), Debug mask (0x8XXXXXXX MODULE_AUTHOR("Intel Corporation, <e1000-devel@lists.sourceforge.net>"); MODULE_DESCRIPTION("Intel(R) Ethernet Connection XL710 Network Driver"); +MODULE_IMPORT_NS(LIBIE); MODULE_LICENSE("GPL v2"); static struct workqueue_struct *i40e_wq; diff --git a/drivers/net/ethernet/intel/i40e/i40e_prototype.h b/drivers/net/ethernet/intel/i40e/i40e_prototype.h index ce1f11b8ad65..5a0699ca7ce5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_prototype.h +++ b/drivers/net/ethernet/intel/i40e/i40e_prototype.h @@ -371,13 +371,6 @@ void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status); int i40e_set_mac_type(struct i40e_hw *hw); -extern struct i40e_rx_ptype_decoded i40e_ptype_lookup[]; - -static inline struct i40e_rx_ptype_decoded decode_rx_desc_ptype(u8 ptype) -{ - return i40e_ptype_lookup[ptype]; -} - /** * i40e_virtchnl_link_speed - Convert AdminQ link_speed to virtchnl definition * @link_speed: the speed to convert diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 64d198ed166b..bc9e766d88cb 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2,6 +2,7 @@ /* Copyright(c) 2013 - 2018 Intel Corporation. */ #include <linux/bpf_trace.h> +#include <linux/net/intel/libie/rx.h> #include <linux/prefetch.h> #include <linux/sctp.h> #include <net/mpls.h> @@ -1741,38 +1742,30 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi, struct sk_buff *skb, union i40e_rx_desc *rx_desc) { - struct i40e_rx_ptype_decoded decoded; + struct libeth_rx_pt decoded; u32 rx_error, rx_status; bool ipv4, ipv6; u8 ptype; u64 qword; - qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len); - ptype = FIELD_GET(I40E_RXD_QW1_PTYPE_MASK, qword); - rx_error = FIELD_GET(I40E_RXD_QW1_ERROR_MASK, qword); - rx_status = FIELD_GET(I40E_RXD_QW1_STATUS_MASK, qword); - decoded = decode_rx_desc_ptype(ptype); - skb->ip_summed = CHECKSUM_NONE; - skb_checksum_none_assert(skb); + qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len); + ptype = FIELD_GET(I40E_RXD_QW1_PTYPE_MASK, qword); - /* Rx csum enabled and ip headers found? */ - if (!(vsi->netdev->features & NETIF_F_RXCSUM)) + decoded = libie_rx_pt_parse(ptype); + if (!libeth_rx_pt_has_checksum(vsi->netdev, decoded)) return; + rx_error = FIELD_GET(I40E_RXD_QW1_ERROR_MASK, qword); + rx_status = FIELD_GET(I40E_RXD_QW1_STATUS_MASK, qword); + /* did the hardware decode the packet and checksum? */ if (!(rx_status & BIT(I40E_RX_DESC_STATUS_L3L4P_SHIFT))) return; - /* both known and outer_ip must be set for the below code to work */ - if (!(decoded.known && decoded.outer_ip)) - return; - - ipv4 = (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP) && - (decoded.outer_ip_ver == I40E_RX_PTYPE_OUTER_IPV4); - ipv6 = (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP) && - (decoded.outer_ip_ver == I40E_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_error & (BIT(I40E_RX_DESC_ERROR_IPE_SHIFT) | @@ -1800,20 +1793,10 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi, * 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 >= I40E_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 I40E_RX_PTYPE_INNER_PROT_TCP: - case I40E_RX_PTYPE_INNER_PROT_UDP: - case I40E_RX_PTYPE_INNER_PROT_SCTP: - skb->ip_summed = CHECKSUM_UNNECESSARY; - fallthrough; - default: - break; - } - + skb->ip_summed = CHECKSUM_UNNECESSARY; return; checksum_fail: @@ -1821,29 +1804,6 @@ checksum_fail: } /** - * i40e_ptype_to_htype - get a hash type - * @ptype: the ptype value from the descriptor - * - * Returns a hash type to be used by skb_set_hash - **/ -static inline int i40e_ptype_to_htype(u8 ptype) -{ - struct i40e_rx_ptype_decoded decoded = decode_rx_desc_ptype(ptype); - - if (!decoded.known) - return PKT_HASH_TYPE_NONE; - - if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP && - decoded.payload_layer == I40E_RX_PTYPE_PAYLOAD_LAYER_PAY4) - return PKT_HASH_TYPE_L4; - else if (decoded.outer_ip == I40E_RX_PTYPE_OUTER_IP && - decoded.payload_layer == I40E_RX_PTYPE_PAYLOAD_LAYER_PAY3) - return PKT_HASH_TYPE_L3; - else - return PKT_HASH_TYPE_L2; -} - -/** * i40e_rx_hash - set the hash value in the skb * @ring: descriptor ring * @rx_desc: specific descriptor @@ -1855,17 +1815,19 @@ static inline void i40e_rx_hash(struct i40e_ring *ring, struct sk_buff *skb, u8 rx_ptype) { + struct libeth_rx_pt decoded; u32 hash; const __le64 rss_mask = cpu_to_le64((u64)I40E_RX_DESC_FLTSTAT_RSS_HASH << I40E_RX_DESC_STATUS_FLTSTAT_SHIFT); - if (!(ring->netdev->features & NETIF_F_RXHASH)) + decoded = libie_rx_pt_parse(rx_ptype); + if (!libeth_rx_pt_has_hash(ring->netdev, decoded)) return; if ((rx_desc->wb.qword1.status_error_len & rss_mask) == rss_mask) { hash = le32_to_cpu(rx_desc->wb.qword0.hi_dword.rss); - skb_set_hash(skb, hash, i40e_ptype_to_htype(rx_ptype)); + libeth_rx_pt_set_hash(skb, hash, decoded); } } diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h index d9031499697e..28568e126850 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_type.h +++ b/drivers/net/ethernet/intel/i40e/i40e_type.h @@ -745,94 +745,6 @@ enum i40e_rx_desc_error_l3l4e_fcoe_masks { #define I40E_RXD_QW1_PTYPE_SHIFT 30 #define I40E_RXD_QW1_PTYPE_MASK (0xFFULL << I40E_RXD_QW1_PTYPE_SHIFT) -/* Packet type non-ip values */ -enum i40e_rx_l2_ptype { - I40E_RX_PTYPE_L2_RESERVED = 0, - I40E_RX_PTYPE_L2_MAC_PAY2 = 1, - I40E_RX_PTYPE_L2_TIMESYNC_PAY2 = 2, - I40E_RX_PTYPE_L2_FIP_PAY2 = 3, - I40E_RX_PTYPE_L2_OUI_PAY2 = 4, - I40E_RX_PTYPE_L2_MACCNTRL_PAY2 = 5, - I40E_RX_PTYPE_L2_LLDP_PAY2 = 6, - I40E_RX_PTYPE_L2_ECP_PAY2 = 7, - I40E_RX_PTYPE_L2_EVB_PAY2 = 8, - I40E_RX_PTYPE_L2_QCN_PAY2 = 9, - I40E_RX_PTYPE_L2_EAPOL_PAY2 = 10, - I40E_RX_PTYPE_L2_ARP = 11, - I40E_RX_PTYPE_L2_FCOE_PAY3 = 12, - I40E_RX_PTYPE_L2_FCOE_FCDATA_PAY3 = 13, - I40E_RX_PTYPE_L2_FCOE_FCRDY_PAY3 = 14, - I40E_RX_PTYPE_L2_FCOE_FCRSP_PAY3 = 15, - I40E_RX_PTYPE_L2_FCOE_FCOTHER_PA = 16, - I40E_RX_PTYPE_L2_FCOE_VFT_PAY3 = 17, - I40E_RX_PTYPE_L2_FCOE_VFT_FCDATA = 18, - I40E_RX_PTYPE_L2_FCOE_VFT_FCRDY = 19, - I40E_RX_PTYPE_L2_FCOE_VFT_FCRSP = 20, - I40E_RX_PTYPE_L2_FCOE_VFT_FCOTHER = 21, - I40E_RX_PTYPE_GRENAT4_MAC_PAY3 = 58, - I40E_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4 = 87, - I40E_RX_PTYPE_GRENAT6_MAC_PAY3 = 124, - I40E_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4 = 153 -}; - -struct i40e_rx_ptype_decoded { - u32 known:1; - u32 outer_ip:1; - u32 outer_ip_ver:1; - 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 i40e_rx_ptype_outer_ip { - I40E_RX_PTYPE_OUTER_L2 = 0, - I40E_RX_PTYPE_OUTER_IP = 1 -}; - -enum i40e_rx_ptype_outer_ip_ver { - I40E_RX_PTYPE_OUTER_NONE = 0, - I40E_RX_PTYPE_OUTER_IPV4 = 0, - I40E_RX_PTYPE_OUTER_IPV6 = 1 -}; - -enum i40e_rx_ptype_outer_fragmented { - I40E_RX_PTYPE_NOT_FRAG = 0, - I40E_RX_PTYPE_FRAG = 1 -}; - -enum i40e_rx_ptype_tunnel_type { - I40E_RX_PTYPE_TUNNEL_NONE = 0, - I40E_RX_PTYPE_TUNNEL_IP_IP = 1, - I40E_RX_PTYPE_TUNNEL_IP_GRENAT = 2, - I40E_RX_PTYPE_TUNNEL_IP_GRENAT_MAC = 3, - I40E_RX_PTYPE_TUNNEL_IP_GRENAT_MAC_VLAN = 4, -}; - -enum i40e_rx_ptype_tunnel_end_prot { - I40E_RX_PTYPE_TUNNEL_END_NONE = 0, - I40E_RX_PTYPE_TUNNEL_END_IPV4 = 1, - I40E_RX_PTYPE_TUNNEL_END_IPV6 = 2, -}; - -enum i40e_rx_ptype_inner_prot { - I40E_RX_PTYPE_INNER_PROT_NONE = 0, - I40E_RX_PTYPE_INNER_PROT_UDP = 1, - I40E_RX_PTYPE_INNER_PROT_TCP = 2, - I40E_RX_PTYPE_INNER_PROT_SCTP = 3, - I40E_RX_PTYPE_INNER_PROT_ICMP = 4, - I40E_RX_PTYPE_INNER_PROT_TIMESYNC = 5 -}; - -enum i40e_rx_ptype_payload_layer { - I40E_RX_PTYPE_PAYLOAD_LAYER_NONE = 0, - I40E_RX_PTYPE_PAYLOAD_LAYER_PAY2 = 1, - I40E_RX_PTYPE_PAYLOAD_LAYER_PAY3 = 2, - I40E_RX_PTYPE_PAYLOAD_LAYER_PAY4 = 3, -}; - #define I40E_RXD_QW1_LENGTH_PBUF_SHIFT 38 #define I40E_RXD_QW1_LENGTH_PBUF_MASK (0x3FFFULL << \ I40E_RXD_QW1_LENGTH_PBUF_SHIFT) diff --git a/drivers/net/ethernet/intel/iavf/iavf_common.c b/drivers/net/ethernet/intel/iavf/iavf_common.c index 5a25233a89d5..aa751ce3425b 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_common.c +++ b/drivers/net/ethernet/intel/iavf/iavf_common.c @@ -432,259 +432,6 @@ enum iavf_status iavf_aq_set_rss_key(struct iavf_hw *hw, u16 vsi_id, return iavf_aq_get_set_rss_key(hw, vsi_id, key, true); } -/* The iavf_ptype_lookup table is used to convert from the 8-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 iavf_ptype_lookup[ptype].known - * THEN - * Packet is unknown - * ELSE IF iavf_ptype_lookup[ptype].outer_ip == IAVF_RX_PTYPE_OUTER_IP - * Use the rest of the fields to look at the tunnels, inner protocols, etc - * ELSE - * Use the enum iavf_rx_l2_ptype to decode the packet type - * ENDIF - */ - -/* macro to make the table lines short, use explicit indexing with [PTYPE] */ -#define IAVF_PTT(PTYPE, OUTER_IP, OUTER_IP_VER, OUTER_FRAG, T, TE, TEF, I, PL)\ - [PTYPE] = { \ - 1, \ - IAVF_RX_PTYPE_OUTER_##OUTER_IP, \ - IAVF_RX_PTYPE_OUTER_##OUTER_IP_VER, \ - IAVF_RX_PTYPE_##OUTER_FRAG, \ - IAVF_RX_PTYPE_TUNNEL_##T, \ - IAVF_RX_PTYPE_TUNNEL_END_##TE, \ - IAVF_RX_PTYPE_##TEF, \ - IAVF_RX_PTYPE_INNER_PROT_##I, \ - IAVF_RX_PTYPE_PAYLOAD_LAYER_##PL } - -#define IAVF_PTT_UNUSED_ENTRY(PTYPE) [PTYPE] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 } - -/* shorter macros makes the table fit but are terse */ -#define IAVF_RX_PTYPE_NOF IAVF_RX_PTYPE_NOT_FRAG -#define IAVF_RX_PTYPE_FRG IAVF_RX_PTYPE_FRAG -#define IAVF_RX_PTYPE_INNER_PROT_TS IAVF_RX_PTYPE_INNER_PROT_TIMESYNC - -/* Lookup table mapping the 8-bit HW PTYPE to the bit field for decoding */ -struct iavf_rx_ptype_decoded iavf_ptype_lookup[BIT(8)] = { - /* L2 Packet types */ - IAVF_PTT_UNUSED_ENTRY(0), - IAVF_PTT(1, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - IAVF_PTT(2, L2, NONE, NOF, NONE, NONE, NOF, TS, PAY2), - IAVF_PTT(3, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - IAVF_PTT_UNUSED_ENTRY(4), - IAVF_PTT_UNUSED_ENTRY(5), - IAVF_PTT(6, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - IAVF_PTT(7, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - IAVF_PTT_UNUSED_ENTRY(8), - IAVF_PTT_UNUSED_ENTRY(9), - IAVF_PTT(10, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY2), - IAVF_PTT(11, L2, NONE, NOF, NONE, NONE, NOF, NONE, NONE), - IAVF_PTT(12, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(13, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(14, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(15, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(16, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(17, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(18, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(19, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(20, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(21, L2, NONE, NOF, NONE, NONE, NOF, NONE, PAY3), - - /* Non Tunneled IPv4 */ - IAVF_PTT(22, IP, IPV4, FRG, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(23, IP, IPV4, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(24, IP, IPV4, NOF, NONE, NONE, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(25), - IAVF_PTT(26, IP, IPV4, NOF, NONE, NONE, NOF, TCP, PAY4), - IAVF_PTT(27, IP, IPV4, NOF, NONE, NONE, NOF, SCTP, PAY4), - IAVF_PTT(28, IP, IPV4, NOF, NONE, NONE, NOF, ICMP, PAY4), - - /* IPv4 --> IPv4 */ - IAVF_PTT(29, IP, IPV4, NOF, IP_IP, IPV4, FRG, NONE, PAY3), - IAVF_PTT(30, IP, IPV4, NOF, IP_IP, IPV4, NOF, NONE, PAY3), - IAVF_PTT(31, IP, IPV4, NOF, IP_IP, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(32), - IAVF_PTT(33, IP, IPV4, NOF, IP_IP, IPV4, NOF, TCP, PAY4), - IAVF_PTT(34, IP, IPV4, NOF, IP_IP, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(35, IP, IPV4, NOF, IP_IP, IPV4, NOF, ICMP, PAY4), - - /* IPv4 --> IPv6 */ - IAVF_PTT(36, IP, IPV4, NOF, IP_IP, IPV6, FRG, NONE, PAY3), - IAVF_PTT(37, IP, IPV4, NOF, IP_IP, IPV6, NOF, NONE, PAY3), - IAVF_PTT(38, IP, IPV4, NOF, IP_IP, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(39), - IAVF_PTT(40, IP, IPV4, NOF, IP_IP, IPV6, NOF, TCP, PAY4), - IAVF_PTT(41, IP, IPV4, NOF, IP_IP, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(42, IP, IPV4, NOF, IP_IP, IPV6, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT */ - IAVF_PTT(43, IP, IPV4, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3), - - /* IPv4 --> GRE/NAT --> IPv4 */ - IAVF_PTT(44, IP, IPV4, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3), - IAVF_PTT(45, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3), - IAVF_PTT(46, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(47), - IAVF_PTT(48, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4), - IAVF_PTT(49, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(50, IP, IPV4, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT --> IPv6 */ - IAVF_PTT(51, IP, IPV4, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3), - IAVF_PTT(52, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3), - IAVF_PTT(53, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(54), - IAVF_PTT(55, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4), - IAVF_PTT(56, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(57, IP, IPV4, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT --> MAC */ - IAVF_PTT(58, IP, IPV4, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3), - - /* IPv4 --> GRE/NAT --> MAC --> IPv4 */ - IAVF_PTT(59, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3), - IAVF_PTT(60, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3), - IAVF_PTT(61, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(62), - IAVF_PTT(63, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4), - IAVF_PTT(64, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(65, IP, IPV4, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT -> MAC --> IPv6 */ - IAVF_PTT(66, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3), - IAVF_PTT(67, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3), - IAVF_PTT(68, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(69), - IAVF_PTT(70, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP, PAY4), - IAVF_PTT(71, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(72, IP, IPV4, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4), - - /* IPv4 --> GRE/NAT --> MAC/VLAN */ - IAVF_PTT(73, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3), - - /* IPv4 ---> GRE/NAT -> MAC/VLAN --> IPv4 */ - IAVF_PTT(74, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3), - IAVF_PTT(75, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3), - IAVF_PTT(76, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(77), - IAVF_PTT(78, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP, PAY4), - IAVF_PTT(79, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(80, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4), - - /* IPv4 -> GRE/NAT -> MAC/VLAN --> IPv6 */ - IAVF_PTT(81, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3), - IAVF_PTT(82, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3), - IAVF_PTT(83, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(84), - IAVF_PTT(85, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP, PAY4), - IAVF_PTT(86, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(87, IP, IPV4, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4), - - /* Non Tunneled IPv6 */ - IAVF_PTT(88, IP, IPV6, FRG, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(89, IP, IPV6, NOF, NONE, NONE, NOF, NONE, PAY3), - IAVF_PTT(90, IP, IPV6, NOF, NONE, NONE, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(91), - IAVF_PTT(92, IP, IPV6, NOF, NONE, NONE, NOF, TCP, PAY4), - IAVF_PTT(93, IP, IPV6, NOF, NONE, NONE, NOF, SCTP, PAY4), - IAVF_PTT(94, IP, IPV6, NOF, NONE, NONE, NOF, ICMP, PAY4), - - /* IPv6 --> IPv4 */ - IAVF_PTT(95, IP, IPV6, NOF, IP_IP, IPV4, FRG, NONE, PAY3), - IAVF_PTT(96, IP, IPV6, NOF, IP_IP, IPV4, NOF, NONE, PAY3), - IAVF_PTT(97, IP, IPV6, NOF, IP_IP, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(98), - IAVF_PTT(99, IP, IPV6, NOF, IP_IP, IPV4, NOF, TCP, PAY4), - IAVF_PTT(100, IP, IPV6, NOF, IP_IP, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(101, IP, IPV6, NOF, IP_IP, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> IPv6 */ - IAVF_PTT(102, IP, IPV6, NOF, IP_IP, IPV6, FRG, NONE, PAY3), - IAVF_PTT(103, IP, IPV6, NOF, IP_IP, IPV6, NOF, NONE, PAY3), - IAVF_PTT(104, IP, IPV6, NOF, IP_IP, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(105), - IAVF_PTT(106, IP, IPV6, NOF, IP_IP, IPV6, NOF, TCP, PAY4), - IAVF_PTT(107, IP, IPV6, NOF, IP_IP, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(108, IP, IPV6, NOF, IP_IP, IPV6, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT */ - IAVF_PTT(109, IP, IPV6, NOF, IP_GRENAT, NONE, NOF, NONE, PAY3), - - /* IPv6 --> GRE/NAT -> IPv4 */ - IAVF_PTT(110, IP, IPV6, NOF, IP_GRENAT, IPV4, FRG, NONE, PAY3), - IAVF_PTT(111, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, NONE, PAY3), - IAVF_PTT(112, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(113), - IAVF_PTT(114, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, TCP, PAY4), - IAVF_PTT(115, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(116, IP, IPV6, NOF, IP_GRENAT, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> IPv6 */ - IAVF_PTT(117, IP, IPV6, NOF, IP_GRENAT, IPV6, FRG, NONE, PAY3), - IAVF_PTT(118, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, NONE, PAY3), - IAVF_PTT(119, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(120), - IAVF_PTT(121, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, TCP, PAY4), - IAVF_PTT(122, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(123, IP, IPV6, NOF, IP_GRENAT, IPV6, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC */ - IAVF_PTT(124, IP, IPV6, NOF, IP_GRENAT_MAC, NONE, NOF, NONE, PAY3), - - /* IPv6 --> GRE/NAT -> MAC -> IPv4 */ - IAVF_PTT(125, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, FRG, NONE, PAY3), - IAVF_PTT(126, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, NONE, PAY3), - IAVF_PTT(127, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(128), - IAVF_PTT(129, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, TCP, PAY4), - IAVF_PTT(130, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(131, IP, IPV6, NOF, IP_GRENAT_MAC, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC -> IPv6 */ - IAVF_PTT(132, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, FRG, NONE, PAY3), - IAVF_PTT(133, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, NONE, PAY3), - IAVF_PTT(134, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(135), - IAVF_PTT(136, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, TCP, PAY4), - IAVF_PTT(137, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(138, IP, IPV6, NOF, IP_GRENAT_MAC, IPV6, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC/VLAN */ - IAVF_PTT(139, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, NONE, NOF, NONE, PAY3), - - /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv4 */ - IAVF_PTT(140, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, FRG, NONE, PAY3), - IAVF_PTT(141, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, NONE, PAY3), - IAVF_PTT(142, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(143), - IAVF_PTT(144, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, TCP, PAY4), - IAVF_PTT(145, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, SCTP, PAY4), - IAVF_PTT(146, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV4, NOF, ICMP, PAY4), - - /* IPv6 --> GRE/NAT -> MAC/VLAN --> IPv6 */ - IAVF_PTT(147, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, FRG, NONE, PAY3), - IAVF_PTT(148, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, NONE, PAY3), - IAVF_PTT(149, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, UDP, PAY4), - IAVF_PTT_UNUSED_ENTRY(150), - IAVF_PTT(151, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, TCP, PAY4), - IAVF_PTT(152, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, SCTP, PAY4), - IAVF_PTT(153, IP, IPV6, NOF, IP_GRENAT_MAC_VLAN, IPV6, NOF, ICMP, PAY4), - - /* unused entries */ - [154 ... 255] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 } -}; - /** * iavf_aq_send_msg_to_pf * @hw: pointer to the hardware structure diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 13361a780ece..d6cbe5022815 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -45,6 +45,7 @@ MODULE_DEVICE_TABLE(pci, iavf_pci_tbl); MODULE_ALIAS("i40evf"); MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>"); MODULE_DESCRIPTION("Intel(R) Ethernet Adaptive Virtual Function Network Driver"); +MODULE_IMPORT_NS(LIBIE); MODULE_LICENSE("GPL v2"); static const struct net_device_ops iavf_netdev_ops; diff --git a/drivers/net/ethernet/intel/iavf/iavf_prototype.h b/drivers/net/ethernet/intel/iavf/iavf_prototype.h index 4a48e6171405..48c3901381b4 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_prototype.h +++ b/drivers/net/ethernet/intel/iavf/iavf_prototype.h @@ -45,13 +45,6 @@ enum iavf_status iavf_aq_set_rss_lut(struct iavf_hw *hw, u16 seid, enum iavf_status iavf_aq_set_rss_key(struct iavf_hw *hw, u16 seid, struct iavf_aqc_get_set_rss_key_data *key); -extern struct iavf_rx_ptype_decoded iavf_ptype_lookup[]; - -static inline struct iavf_rx_ptype_decoded decode_rx_desc_ptype(u8 ptype) -{ - return iavf_ptype_lookup[ptype]; -} - void iavf_vf_parse_hw_config(struct iavf_hw *hw, struct virtchnl_vf_resource *msg); enum iavf_status iavf_aq_send_msg_to_pf(struct iavf_hw *hw, diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.c b/drivers/net/ethernet/intel/iavf/iavf_txrx.c index 32bb604a1382..33ec01d0ed67 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.c +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.c @@ -2,6 +2,7 @@ /* Copyright(c) 2013 - 2018 Intel Corporation. */ #include <linux/bitfield.h> +#include <linux/net/intel/libie/rx.h> #include <linux/prefetch.h> #include "iavf.h" @@ -982,38 +983,30 @@ static void iavf_rx_checksum(struct iavf_vsi *vsi, struct sk_buff *skb, union iavf_rx_desc *rx_desc) { - struct iavf_rx_ptype_decoded decoded; + struct libeth_rx_pt decoded; u32 rx_error, rx_status; bool ipv4, ipv6; u8 ptype; u64 qword; - qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len); - ptype = FIELD_GET(IAVF_RXD_QW1_PTYPE_MASK, qword); - rx_error = FIELD_GET(IAVF_RXD_QW1_ERROR_MASK, qword); - rx_status = FIELD_GET(IAVF_RXD_QW1_STATUS_MASK, qword); - decoded = decode_rx_desc_ptype(ptype); - skb->ip_summed = CHECKSUM_NONE; - skb_checksum_none_assert(skb); + qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len); + ptype = FIELD_GET(IAVF_RXD_QW1_PTYPE_MASK, qword); - /* Rx csum enabled and ip headers found? */ - if (!(vsi->netdev->features & NETIF_F_RXCSUM)) + decoded = libie_rx_pt_parse(ptype); + if (!libeth_rx_pt_has_checksum(vsi->netdev, decoded)) return; + rx_error = FIELD_GET(IAVF_RXD_QW1_ERROR_MASK, qword); + rx_status = FIELD_GET(IAVF_RXD_QW1_STATUS_MASK, qword); + /* did the hardware decode the packet and checksum? */ if (!(rx_status & BIT(IAVF_RX_DESC_STATUS_L3L4P_SHIFT))) return; - /* both known and outer_ip must be set for the below code to work */ - if (!(decoded.known && decoded.outer_ip)) - return; - - ipv4 = (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP) && - (decoded.outer_ip_ver == IAVF_RX_PTYPE_OUTER_IPV4); - ipv6 = (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP) && - (decoded.outer_ip_ver == IAVF_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_error & (BIT(IAVF_RX_DESC_ERROR_IPE_SHIFT) | @@ -1037,17 +1030,7 @@ static void iavf_rx_checksum(struct iavf_vsi *vsi, if (rx_error & BIT(IAVF_RX_DESC_ERROR_PPRS_SHIFT)) return; - /* Only report checksum unnecessary for TCP, UDP, or SCTP */ - switch (decoded.inner_prot) { - case IAVF_RX_PTYPE_INNER_PROT_TCP: - case IAVF_RX_PTYPE_INNER_PROT_UDP: - case IAVF_RX_PTYPE_INNER_PROT_SCTP: - skb->ip_summed = CHECKSUM_UNNECESSARY; - fallthrough; - default: - break; - } - + skb->ip_summed = CHECKSUM_UNNECESSARY; return; checksum_fail: @@ -1055,29 +1038,6 @@ checksum_fail: } /** - * iavf_ptype_to_htype - get a hash type - * @ptype: the ptype value from the descriptor - * - * Returns a hash type to be used by skb_set_hash - **/ -static int iavf_ptype_to_htype(u8 ptype) -{ - struct iavf_rx_ptype_decoded decoded = decode_rx_desc_ptype(ptype); - - if (!decoded.known) - return PKT_HASH_TYPE_NONE; - - if (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP && - decoded.payload_layer == IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY4) - return PKT_HASH_TYPE_L4; - else if (decoded.outer_ip == IAVF_RX_PTYPE_OUTER_IP && - decoded.payload_layer == IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY3) - return PKT_HASH_TYPE_L3; - else - return PKT_HASH_TYPE_L2; -} - -/** * iavf_rx_hash - set the hash value in the skb * @ring: descriptor ring * @rx_desc: specific descriptor @@ -1089,17 +1049,19 @@ static void iavf_rx_hash(struct iavf_ring *ring, struct sk_buff *skb, u8 rx_ptype) { + struct libeth_rx_pt decoded; u32 hash; const __le64 rss_mask = cpu_to_le64((u64)IAVF_RX_DESC_FLTSTAT_RSS_HASH << IAVF_RX_DESC_STATUS_FLTSTAT_SHIFT); - if (!(ring->netdev->features & NETIF_F_RXHASH)) + decoded = libie_rx_pt_parse(rx_ptype); + if (!libeth_rx_pt_has_hash(ring->netdev, decoded)) return; if ((rx_desc->wb.qword1.status_error_len & rss_mask) == rss_mask) { hash = le32_to_cpu(rx_desc->wb.qword0.hi_dword.rss); - skb_set_hash(skb, hash, iavf_ptype_to_htype(rx_ptype)); + libeth_rx_pt_set_hash(skb, hash, decoded); } } diff --git a/drivers/net/ethernet/intel/iavf/iavf_type.h b/drivers/net/ethernet/intel/iavf/iavf_type.h index 2b6a207fa441..23ded4fcd94f 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_type.h +++ b/drivers/net/ethernet/intel/iavf/iavf_type.h @@ -327,94 +327,6 @@ enum iavf_rx_desc_error_l3l4e_fcoe_masks { #define IAVF_RXD_QW1_PTYPE_SHIFT 30 #define IAVF_RXD_QW1_PTYPE_MASK (0xFFULL << IAVF_RXD_QW1_PTYPE_SHIFT) -/* Packet type non-ip values */ -enum iavf_rx_l2_ptype { - IAVF_RX_PTYPE_L2_RESERVED = 0, - IAVF_RX_PTYPE_L2_MAC_PAY2 = 1, - IAVF_RX_PTYPE_L2_TIMESYNC_PAY2 = 2, - IAVF_RX_PTYPE_L2_FIP_PAY2 = 3, - IAVF_RX_PTYPE_L2_OUI_PAY2 = 4, - IAVF_RX_PTYPE_L2_MACCNTRL_PAY2 = 5, - IAVF_RX_PTYPE_L2_LLDP_PAY2 = 6, - IAVF_RX_PTYPE_L2_ECP_PAY2 = 7, - IAVF_RX_PTYPE_L2_EVB_PAY2 = 8, - IAVF_RX_PTYPE_L2_QCN_PAY2 = 9, - IAVF_RX_PTYPE_L2_EAPOL_PAY2 = 10, - IAVF_RX_PTYPE_L2_ARP = 11, - IAVF_RX_PTYPE_L2_FCOE_PAY3 = 12, - IAVF_RX_PTYPE_L2_FCOE_FCDATA_PAY3 = 13, - IAVF_RX_PTYPE_L2_FCOE_FCRDY_PAY3 = 14, - IAVF_RX_PTYPE_L2_FCOE_FCRSP_PAY3 = 15, - IAVF_RX_PTYPE_L2_FCOE_FCOTHER_PA = 16, - IAVF_RX_PTYPE_L2_FCOE_VFT_PAY3 = 17, - IAVF_RX_PTYPE_L2_FCOE_VFT_FCDATA = 18, - IAVF_RX_PTYPE_L2_FCOE_VFT_FCRDY = 19, - IAVF_RX_PTYPE_L2_FCOE_VFT_FCRSP = 20, - IAVF_RX_PTYPE_L2_FCOE_VFT_FCOTHER = 21, - IAVF_RX_PTYPE_GRENAT4_MAC_PAY3 = 58, - IAVF_RX_PTYPE_GRENAT4_MACVLAN_IPV6_ICMP_PAY4 = 87, - IAVF_RX_PTYPE_GRENAT6_MAC_PAY3 = 124, - IAVF_RX_PTYPE_GRENAT6_MACVLAN_IPV6_ICMP_PAY4 = 153 -}; - -struct iavf_rx_ptype_decoded { - u32 known:1; - u32 outer_ip:1; - u32 outer_ip_ver:1; - 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 iavf_rx_ptype_outer_ip { - IAVF_RX_PTYPE_OUTER_L2 = 0, - IAVF_RX_PTYPE_OUTER_IP = 1 -}; - -enum iavf_rx_ptype_outer_ip_ver { - IAVF_RX_PTYPE_OUTER_NONE = 0, - IAVF_RX_PTYPE_OUTER_IPV4 = 0, - IAVF_RX_PTYPE_OUTER_IPV6 = 1 -}; - -enum iavf_rx_ptype_outer_fragmented { - IAVF_RX_PTYPE_NOT_FRAG = 0, - IAVF_RX_PTYPE_FRAG = 1 -}; - -enum iavf_rx_ptype_tunnel_type { - IAVF_RX_PTYPE_TUNNEL_NONE = 0, - IAVF_RX_PTYPE_TUNNEL_IP_IP = 1, - IAVF_RX_PTYPE_TUNNEL_IP_GRENAT = 2, - IAVF_RX_PTYPE_TUNNEL_IP_GRENAT_MAC = 3, - IAVF_RX_PTYPE_TUNNEL_IP_GRENAT_MAC_VLAN = 4, -}; - -enum iavf_rx_ptype_tunnel_end_prot { - IAVF_RX_PTYPE_TUNNEL_END_NONE = 0, - IAVF_RX_PTYPE_TUNNEL_END_IPV4 = 1, - IAVF_RX_PTYPE_TUNNEL_END_IPV6 = 2, -}; - -enum iavf_rx_ptype_inner_prot { - IAVF_RX_PTYPE_INNER_PROT_NONE = 0, - IAVF_RX_PTYPE_INNER_PROT_UDP = 1, - IAVF_RX_PTYPE_INNER_PROT_TCP = 2, - IAVF_RX_PTYPE_INNER_PROT_SCTP = 3, - IAVF_RX_PTYPE_INNER_PROT_ICMP = 4, - IAVF_RX_PTYPE_INNER_PROT_TIMESYNC = 5 -}; - -enum iavf_rx_ptype_payload_layer { - IAVF_RX_PTYPE_PAYLOAD_LAYER_NONE = 0, - IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY2 = 1, - IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY3 = 2, - IAVF_RX_PTYPE_PAYLOAD_LAYER_PAY4 = 3, -}; - #define IAVF_RXD_QW1_LENGTH_PBUF_SHIFT 38 #define IAVF_RXD_QW1_LENGTH_PBUF_MASK (0x3FFFULL << \ IAVF_RXD_QW1_LENGTH_PBUF_SHIFT) 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; } /** diff --git a/drivers/net/ethernet/intel/libeth/Kconfig b/drivers/net/ethernet/intel/libeth/Kconfig new file mode 100644 index 000000000000..af970a63c227 --- /dev/null +++ b/drivers/net/ethernet/intel/libeth/Kconfig @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: GPL-2.0-only +# Copyright (C) 2024 Intel Corporation + +config LIBETH + tristate + help + libeth is a common library containing routines shared between several + drivers, but not yet promoted to the generic kernel API. diff --git a/drivers/net/ethernet/intel/libeth/Makefile b/drivers/net/ethernet/intel/libeth/Makefile new file mode 100644 index 000000000000..cb99203d1dd2 --- /dev/null +++ b/drivers/net/ethernet/intel/libeth/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0-only +# Copyright (C) 2024 Intel Corporation + +obj-$(CONFIG_LIBETH) += libeth.o + +libeth-objs += rx.o diff --git a/drivers/net/ethernet/intel/libeth/rx.c b/drivers/net/ethernet/intel/libeth/rx.c new file mode 100644 index 000000000000..879c4dfd6a4e --- /dev/null +++ b/drivers/net/ethernet/intel/libeth/rx.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright (C) 2024 Intel Corporation */ + +#include <net/libeth/rx.h> + +/* Converting abstract packet type numbers into a software structure with + * the packet parameters to do O(1) lookup on Rx. + */ + +static const u16 libeth_rx_pt_xdp_oip[] = { + [LIBETH_RX_PT_OUTER_L2] = XDP_RSS_TYPE_NONE, + [LIBETH_RX_PT_OUTER_IPV4] = XDP_RSS_L3_IPV4, + [LIBETH_RX_PT_OUTER_IPV6] = XDP_RSS_L3_IPV6, +}; + +static const u16 libeth_rx_pt_xdp_iprot[] = { + [LIBETH_RX_PT_INNER_NONE] = XDP_RSS_TYPE_NONE, + [LIBETH_RX_PT_INNER_UDP] = XDP_RSS_L4_UDP, + [LIBETH_RX_PT_INNER_TCP] = XDP_RSS_L4_TCP, + [LIBETH_RX_PT_INNER_SCTP] = XDP_RSS_L4_SCTP, + [LIBETH_RX_PT_INNER_ICMP] = XDP_RSS_L4_ICMP, + [LIBETH_RX_PT_INNER_TIMESYNC] = XDP_RSS_TYPE_NONE, +}; + +static const u16 libeth_rx_pt_xdp_pl[] = { + [LIBETH_RX_PT_PAYLOAD_NONE] = XDP_RSS_TYPE_NONE, + [LIBETH_RX_PT_PAYLOAD_L2] = XDP_RSS_TYPE_NONE, + [LIBETH_RX_PT_PAYLOAD_L3] = XDP_RSS_TYPE_NONE, + [LIBETH_RX_PT_PAYLOAD_L4] = XDP_RSS_L4, +}; + +/** + * libeth_rx_pt_gen_hash_type - generate an XDP RSS hash type for a PT + * @pt: PT structure to evaluate + * + * Generates ```hash_type``` field with XDP RSS type values from the parsed + * packet parameters if they're obtained dynamically at runtime. + */ +void libeth_rx_pt_gen_hash_type(struct libeth_rx_pt *pt) +{ + pt->hash_type = 0; + pt->hash_type |= libeth_rx_pt_xdp_oip[pt->outer_ip]; + pt->hash_type |= libeth_rx_pt_xdp_iprot[pt->inner_prot]; + pt->hash_type |= libeth_rx_pt_xdp_pl[pt->payload_layer]; +} +EXPORT_SYMBOL_NS_GPL(libeth_rx_pt_gen_hash_type, LIBETH); + +/* Module */ + +MODULE_AUTHOR("Intel Corporation"); +MODULE_DESCRIPTION("Common Ethernet library"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/intel/libie/Kconfig b/drivers/net/ethernet/intel/libie/Kconfig new file mode 100644 index 000000000000..33aff6bc8f81 --- /dev/null +++ b/drivers/net/ethernet/intel/libie/Kconfig @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: GPL-2.0-only +# Copyright (C) 2024 Intel Corporation + +config LIBIE + tristate + select LIBETH + help + libie (Intel Ethernet library) is a common library built on top of + libeth and containing vendor-specific routines shared between several + Intel Ethernet drivers. diff --git a/drivers/net/ethernet/intel/libie/Makefile b/drivers/net/ethernet/intel/libie/Makefile new file mode 100644 index 000000000000..bf42c5aeeedd --- /dev/null +++ b/drivers/net/ethernet/intel/libie/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0-only +# Copyright (C) 2024 Intel Corporation + +obj-$(CONFIG_LIBIE) += libie.o + +libie-objs += rx.o diff --git a/drivers/net/ethernet/intel/libie/rx.c b/drivers/net/ethernet/intel/libie/rx.c new file mode 100644 index 000000000000..38201ee1e891 --- /dev/null +++ b/drivers/net/ethernet/intel/libie/rx.c @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright (C) 2024 Intel Corporation */ + +#include <linux/net/intel/libie/rx.h> + +/* O(1) converting i40e/ice/iavf's 8/10-bit hardware packet type to a parsed + * bitfield struct. + */ + +/* 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_L2 XDP_RSS_TYPE_NONE +#define XDP_RSS_L4_NONE XDP_RSS_TYPE_NONE +#define XDP_RSS_L4_TIMESYNC XDP_RSS_TYPE_NONE +#define XDP_RSS_TYPE_L3 XDP_RSS_TYPE_NONE +#define XDP_RSS_TYPE_L4 XDP_RSS_L4 + +#define LIBIE_RX_PT(oip, ofrag, tun, tp, tefr, iprot, pl) { \ + .outer_ip = LIBETH_RX_PT_OUTER_##oip, \ + .outer_frag = LIBETH_RX_PT_##ofrag, \ + .tunnel_type = LIBETH_RX_PT_TUNNEL_IP_##tun, \ + .tunnel_end_prot = LIBETH_RX_PT_TUNNEL_END_##tp, \ + .tunnel_end_frag = LIBETH_RX_PT_##tefr, \ + .inner_prot = LIBETH_RX_PT_INNER_##iprot, \ + .payload_layer = LIBETH_RX_PT_PAYLOAD_##pl, \ + .hash_type = XDP_RSS_L3_##oip | \ + XDP_RSS_L4_##iprot | \ + XDP_RSS_TYPE_##pl, \ + } + +#define LIBIE_RX_PT_UNUSED { } + +#define __LIBIE_RX_PT_L2(iprot, pl) \ + LIBIE_RX_PT(L2, NOT_FRAG, NONE, NONE, NOT_FRAG, iprot, pl) +#define LIBIE_RX_PT_L2 __LIBIE_RX_PT_L2(NONE, L2) +#define LIBIE_RX_PT_TS __LIBIE_RX_PT_L2(TIMESYNC, L2) +#define LIBIE_RX_PT_L3 __LIBIE_RX_PT_L2(NONE, L3) + +#define LIBIE_RX_PT_IP_FRAG(oip) \ + LIBIE_RX_PT(IPV##oip, FRAG, NONE, NONE, NOT_FRAG, NONE, L3) +#define LIBIE_RX_PT_IP_L3(oip, tun, teprot, tefr) \ + LIBIE_RX_PT(IPV##oip, NOT_FRAG, tun, teprot, tefr, NONE, L3) +#define LIBIE_RX_PT_IP_L4(oip, tun, teprot, iprot) \ + LIBIE_RX_PT(IPV##oip, NOT_FRAG, tun, teprot, NOT_FRAG, iprot, L4) + +#define LIBIE_RX_PT_IP_NOF(oip, tun, ver) \ + LIBIE_RX_PT_IP_L3(oip, tun, ver, NOT_FRAG), \ + LIBIE_RX_PT_IP_L4(oip, tun, ver, UDP), \ + LIBIE_RX_PT_UNUSED, \ + LIBIE_RX_PT_IP_L4(oip, tun, ver, TCP), \ + LIBIE_RX_PT_IP_L4(oip, tun, ver, SCTP), \ + LIBIE_RX_PT_IP_L4(oip, tun, ver, ICMP) + +/* IPv oip --> tun --> IPv ver */ +#define LIBIE_RX_PT_IP_TUN_VER(oip, tun, ver) \ + LIBIE_RX_PT_IP_L3(oip, tun, ver, FRAG), \ + LIBIE_RX_PT_IP_NOF(oip, tun, ver) + +/* Non Tunneled IPv oip */ +#define LIBIE_RX_PT_IP_RAW(oip) \ + LIBIE_RX_PT_IP_FRAG(oip), \ + LIBIE_RX_PT_IP_NOF(oip, NONE, NONE) + +/* IPv oip --> tun --> { IPv4, IPv6 } */ +#define LIBIE_RX_PT_IP_TUN(oip, tun) \ + LIBIE_RX_PT_IP_TUN_VER(oip, tun, IPV4), \ + LIBIE_RX_PT_IP_TUN_VER(oip, tun, IPV6) + +/* IPv oip --> GRE/NAT tun --> { x, IPv4, IPv6 } */ +#define LIBIE_RX_PT_IP_GRE(oip, tun) \ + LIBIE_RX_PT_IP_L3(oip, tun, NONE, NOT_FRAG), \ + LIBIE_RX_PT_IP_TUN(oip, tun) + +/* Non Tunneled IPv oip + * IPv oip --> { IPv4, IPv6 } + * IPv oip --> GRE/NAT --> { x, IPv4, IPv6 } + * IPv oip --> GRE/NAT --> MAC --> { x, IPv4, IPv6 } + * IPv oip --> GRE/NAT --> MAC/VLAN --> { x, IPv4, IPv6 } + */ +#define LIBIE_RX_PT_IP(oip) \ + LIBIE_RX_PT_IP_RAW(oip), \ + LIBIE_RX_PT_IP_TUN(oip, IP), \ + LIBIE_RX_PT_IP_GRE(oip, GRENAT), \ + LIBIE_RX_PT_IP_GRE(oip, GRENAT_MAC), \ + LIBIE_RX_PT_IP_GRE(oip, GRENAT_MAC_VLAN) + +/* Lookup table mapping for O(1) parsing */ +const struct libeth_rx_pt libie_rx_pt_lut[LIBIE_RX_PT_NUM] = { + /* L2 packet types */ + LIBIE_RX_PT_UNUSED, + LIBIE_RX_PT_L2, + LIBIE_RX_PT_TS, + LIBIE_RX_PT_L2, + LIBIE_RX_PT_UNUSED, + LIBIE_RX_PT_UNUSED, + LIBIE_RX_PT_L2, + LIBIE_RX_PT_L2, + LIBIE_RX_PT_UNUSED, + LIBIE_RX_PT_UNUSED, + LIBIE_RX_PT_L2, + LIBIE_RX_PT_UNUSED, + + LIBIE_RX_PT_L3, + LIBIE_RX_PT_L3, + LIBIE_RX_PT_L3, + LIBIE_RX_PT_L3, + LIBIE_RX_PT_L3, + LIBIE_RX_PT_L3, + LIBIE_RX_PT_L3, + LIBIE_RX_PT_L3, + LIBIE_RX_PT_L3, + LIBIE_RX_PT_L3, + + LIBIE_RX_PT_IP(4), + LIBIE_RX_PT_IP(6), +}; +EXPORT_SYMBOL_NS_GPL(libie_rx_pt_lut, LIBIE); + +MODULE_AUTHOR("Intel Corporation"); +MODULE_DESCRIPTION("Intel(R) Ethernet common library"); +MODULE_IMPORT_NS(LIBETH); +MODULE_LICENSE("GPL"); diff --git a/include/linux/net/intel/libie/rx.h b/include/linux/net/intel/libie/rx.h new file mode 100644 index 000000000000..37c5c8f26fb9 --- /dev/null +++ b/include/linux/net/intel/libie/rx.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (C) 2024 Intel Corporation */ + +#ifndef __LIBIE_RX_H +#define __LIBIE_RX_H + +#include <net/libeth/rx.h> + +/* O(1) converting i40e/ice/iavf's 8/10-bit hardware packet type to a parsed + * bitfield struct. + */ + +#define LIBIE_RX_PT_NUM 154 + +extern const struct libeth_rx_pt libie_rx_pt_lut[LIBIE_RX_PT_NUM]; + +/** + * libie_rx_pt_parse - convert HW packet type to software bitfield structure + * @pt: 10-bit hardware packet type value from the descriptor + * + * ```libie_rx_pt_lut``` must be accessed only using this wrapper. + * + * Return: parsed bitfield struct corresponding to the provided ptype. + */ +static inline struct libeth_rx_pt libie_rx_pt_parse(u32 pt) +{ + if (unlikely(pt >= LIBIE_RX_PT_NUM)) + pt = 0; + + return libie_rx_pt_lut[pt]; +} + +#endif /* __LIBIE_RX_H */ diff --git a/include/net/libeth/rx.h b/include/net/libeth/rx.h new file mode 100644 index 000000000000..0807e19f44b3 --- /dev/null +++ b/include/net/libeth/rx.h @@ -0,0 +1,125 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (C) 2024 Intel Corporation */ + +#ifndef __LIBETH_RX_H +#define __LIBETH_RX_H + +#include <net/xdp.h> + +/* Converting abstract packet type numbers into a software structure with + * the packet parameters to do O(1) lookup on Rx. + */ + +enum { + LIBETH_RX_PT_OUTER_L2 = 0U, + LIBETH_RX_PT_OUTER_IPV4, + LIBETH_RX_PT_OUTER_IPV6, +}; + +enum { + LIBETH_RX_PT_NOT_FRAG = 0U, + LIBETH_RX_PT_FRAG, +}; + +enum { + LIBETH_RX_PT_TUNNEL_IP_NONE = 0U, + LIBETH_RX_PT_TUNNEL_IP_IP, + LIBETH_RX_PT_TUNNEL_IP_GRENAT, + LIBETH_RX_PT_TUNNEL_IP_GRENAT_MAC, + LIBETH_RX_PT_TUNNEL_IP_GRENAT_MAC_VLAN, +}; + +enum { + LIBETH_RX_PT_TUNNEL_END_NONE = 0U, + LIBETH_RX_PT_TUNNEL_END_IPV4, + LIBETH_RX_PT_TUNNEL_END_IPV6, +}; + +enum { + LIBETH_RX_PT_INNER_NONE = 0U, + LIBETH_RX_PT_INNER_UDP, + LIBETH_RX_PT_INNER_TCP, + LIBETH_RX_PT_INNER_SCTP, + LIBETH_RX_PT_INNER_ICMP, + LIBETH_RX_PT_INNER_TIMESYNC, +}; + +#define LIBETH_RX_PT_PAYLOAD_NONE PKT_HASH_TYPE_NONE +#define LIBETH_RX_PT_PAYLOAD_L2 PKT_HASH_TYPE_L2 +#define LIBETH_RX_PT_PAYLOAD_L3 PKT_HASH_TYPE_L3 +#define LIBETH_RX_PT_PAYLOAD_L4 PKT_HASH_TYPE_L4 + +struct libeth_rx_pt { + u32 outer_ip:2; + u32 outer_frag:1; + u32 tunnel_type:3; + u32 tunnel_end_prot:2; + u32 tunnel_end_frag:1; + u32 inner_prot:3; + enum pkt_hash_types payload_layer:2; + + u32 pad:2; + enum xdp_rss_hash_type hash_type:16; +}; + +void libeth_rx_pt_gen_hash_type(struct libeth_rx_pt *pt); + +/** + * libeth_rx_pt_get_ip_ver - get IP version from a packet type structure + * @pt: packet type params + * + * Wrapper to compile out the IPv6 code from the drivers when not supported + * by the kernel. + * + * Return: @pt.outer_ip or stub for IPv6 when not compiled-in. + */ +static inline u32 libeth_rx_pt_get_ip_ver(struct libeth_rx_pt pt) +{ +#if !IS_ENABLED(CONFIG_IPV6) + switch (pt.outer_ip) { + case LIBETH_RX_PT_OUTER_IPV4: + return LIBETH_RX_PT_OUTER_IPV4; + default: + return LIBETH_RX_PT_OUTER_L2; + } +#else + return pt.outer_ip; +#endif +} + +/* libeth_has_*() can be used to quickly check whether the HW metadata is + * available to avoid further expensive processing such as descriptor reads. + * They already check for the corresponding netdev feature to be enabled, + * thus can be used as drop-in replacements. + */ + +static inline bool libeth_rx_pt_has_checksum(const struct net_device *dev, + struct libeth_rx_pt pt) +{ + /* Non-zero _INNER* is only possible when _OUTER_IPV* is set, + * it is enough to check only for the L4 type. + */ + return likely(pt.inner_prot > LIBETH_RX_PT_INNER_NONE && + (dev->features & NETIF_F_RXCSUM)); +} + +static inline bool libeth_rx_pt_has_hash(const struct net_device *dev, + struct libeth_rx_pt pt) +{ + return likely(pt.payload_layer > LIBETH_RX_PT_PAYLOAD_NONE && + (dev->features & NETIF_F_RXHASH)); +} + +/** + * libeth_rx_pt_set_hash - fill in skb hash value basing on the PT + * @skb: skb to fill the hash in + * @hash: 32-bit hash value from the descriptor + * @pt: packet type + */ +static inline void libeth_rx_pt_set_hash(struct sk_buff *skb, u32 hash, + struct libeth_rx_pt pt) +{ + skb_set_hash(skb, hash, pt.payload_layer); +} + +#endif /* __LIBETH_RX_H */ |