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ACHHUZ67zK47QOPLujTPjQy94v3FKoMHqiX7ZF9Oj000h56nskjuWoy5itwibeE2sKEE72uCldU5/ww= X-Received: from sdf.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5935]) (user=sdf job=sendgmr) by 2002:a63:2782:0:b0:530:866e:c3c0 with SMTP id n124-20020a632782000000b00530866ec3c0mr1521319pgn.10.1683915727429; Fri, 12 May 2023 11:22:07 -0700 (PDT) Date: Fri, 12 May 2023 11:22:05 -0700 In-Reply-To: <20230512152607.992209-8-larysa.zaremba@intel.com> Mime-Version: 1.0 References: <20230512152607.992209-1-larysa.zaremba@intel.com> <20230512152607.992209-8-larysa.zaremba@intel.com> Message-ID: From: Stanislav Fomichev To: Larysa Zaremba Content-Type: text/plain; charset="utf-8" Message-ID-Hash: 3REQ2RQVRN5HEJUATDZ2TTLPWXT2SBUJ X-Message-ID-Hash: 3REQ2RQVRN5HEJUATDZ2TTLPWXT2SBUJ X-MailFrom: 3z4NeZAMKCXoqbdemmejc.amkvbn-fglrqvbn-npmhcar.lcr@flex--sdf.bounces.google.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: bpf@vger.kernel.org, Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Jakub Kicinski , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Jiri Olsa , Jesse Brandeburg , Tony Nguyen , Anatoly Burakov , Jesper Dangaard Brouer , Alexander Lobakin , Magnus Karlsson , Maryam Tahhan , xdp-hints@xdp-project.net, netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org X-Mailman-Version: 3.3.8 Precedence: list Subject: [xdp-hints] Re: [PATCH RESEND bpf-next 07/15] ice: Support RX hash XDP hint List-Id: XDP hardware hints design discussion Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On 05/12, Larysa Zaremba wrote: > RX hash XDP hint requests both hash value and type. > Type is XDP-specific, so we need a separate way to map > these values to the hardware ptypes, so create a lookup table. > > Instead of creating a new long list, reuse contents > of ice_decode_rx_desc_ptype[] through preprocessor. > > Current hash type enum does not contain ICMP packet type, > but ice devices support it, so also add a new type into core code. > > Then use previously refactored code and create a function > that allows XDP code to read RX hash. > > Signed-off-by: Larysa Zaremba > --- > .../net/ethernet/intel/ice/ice_lan_tx_rx.h | 412 +++++++++--------- > drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 72 +++ > include/net/xdp.h | 3 + > 3 files changed, 283 insertions(+), 204 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 89f986a75cc8..d384ddfcb83e 100644 > --- a/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h > +++ b/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h > @@ -673,6 +673,212 @@ struct ice_tlan_ctx { > * 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)\ > @@ -695,212 +901,10 @@ struct ice_tlan_ctx { > > /* 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)] = { > - /* 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), > + ICE_PTYPES > > /* unused entries */ > - [154 ... 1023] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 } > + [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) > diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c > index e9589cadf811..1caa73644e7b 100644 > --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c > +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c > @@ -556,6 +556,78 @@ 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 > + */ > +static enum xdp_rss_hash_type > +ice_xdp_rx_hash_type(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]; > +} > + > +/** > + * ice_xdp_rx_hash - RX hash XDP hint handler > + * @ctx: XDP buff pointer > + * @hash: hash destination address > + * @rss_type: XDP hash type destination address > + * > + * Copy RX hash (if available) and its type to the destination address. > + */ > +static int ice_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash, > + enum xdp_rss_hash_type *rss_type) > +{ > + const struct ice_xdp_buff *xdp_ext = (void *)ctx; > + > + *rss_type = ice_xdp_rx_hash_type(xdp_ext->eop_desc); > + if (!ice_copy_rx_hash_from_desc(xdp_ext->eop_desc, hash)) > + return -EOPNOTSUPP; Same here? See the following for the context: https://lore.kernel.org/bpf/167940675120.2718408.8176058626864184420.stgit@firesoul/