bf130ed3aa
We are moving away from the Sourceforge email address. Rather than removing or updating the email for the affected entries, remove the MODULE_AUTHOR altogether as its usage is incorrect [1]. Link: https://lore.kernel.org/netdev/20200626115236.7f36d379@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com/ [1] Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Acked-by: Alexander Lobakin <aleksander.lobakin@intel.com> # libeth, libie Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
123 lines
3.9 KiB
C
123 lines
3.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright (C) 2024 Intel Corporation */
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#include <linux/net/intel/libie/rx.h>
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/* O(1) converting i40e/ice/iavf's 8/10-bit hardware packet type to a parsed
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* bitfield struct.
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*/
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/* A few supplementary definitions for when XDP hash types do not coincide
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* with what can be generated from ptype definitions by means of preprocessor
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* concatenation.
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*/
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#define XDP_RSS_L3_L2 XDP_RSS_TYPE_NONE
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#define XDP_RSS_L4_NONE XDP_RSS_TYPE_NONE
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#define XDP_RSS_L4_TIMESYNC XDP_RSS_TYPE_NONE
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#define XDP_RSS_TYPE_L3 XDP_RSS_TYPE_NONE
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#define XDP_RSS_TYPE_L4 XDP_RSS_L4
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#define LIBIE_RX_PT(oip, ofrag, tun, tp, tefr, iprot, pl) { \
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.outer_ip = LIBETH_RX_PT_OUTER_##oip, \
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.outer_frag = LIBETH_RX_PT_##ofrag, \
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.tunnel_type = LIBETH_RX_PT_TUNNEL_IP_##tun, \
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.tunnel_end_prot = LIBETH_RX_PT_TUNNEL_END_##tp, \
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.tunnel_end_frag = LIBETH_RX_PT_##tefr, \
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.inner_prot = LIBETH_RX_PT_INNER_##iprot, \
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.payload_layer = LIBETH_RX_PT_PAYLOAD_##pl, \
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.hash_type = XDP_RSS_L3_##oip | \
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XDP_RSS_L4_##iprot | \
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XDP_RSS_TYPE_##pl, \
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}
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#define LIBIE_RX_PT_UNUSED { }
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#define __LIBIE_RX_PT_L2(iprot, pl) \
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LIBIE_RX_PT(L2, NOT_FRAG, NONE, NONE, NOT_FRAG, iprot, pl)
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#define LIBIE_RX_PT_L2 __LIBIE_RX_PT_L2(NONE, L2)
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#define LIBIE_RX_PT_TS __LIBIE_RX_PT_L2(TIMESYNC, L2)
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#define LIBIE_RX_PT_L3 __LIBIE_RX_PT_L2(NONE, L3)
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#define LIBIE_RX_PT_IP_FRAG(oip) \
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LIBIE_RX_PT(IPV##oip, FRAG, NONE, NONE, NOT_FRAG, NONE, L3)
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#define LIBIE_RX_PT_IP_L3(oip, tun, teprot, tefr) \
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LIBIE_RX_PT(IPV##oip, NOT_FRAG, tun, teprot, tefr, NONE, L3)
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#define LIBIE_RX_PT_IP_L4(oip, tun, teprot, iprot) \
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LIBIE_RX_PT(IPV##oip, NOT_FRAG, tun, teprot, NOT_FRAG, iprot, L4)
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#define LIBIE_RX_PT_IP_NOF(oip, tun, ver) \
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LIBIE_RX_PT_IP_L3(oip, tun, ver, NOT_FRAG), \
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LIBIE_RX_PT_IP_L4(oip, tun, ver, UDP), \
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LIBIE_RX_PT_UNUSED, \
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LIBIE_RX_PT_IP_L4(oip, tun, ver, TCP), \
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LIBIE_RX_PT_IP_L4(oip, tun, ver, SCTP), \
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LIBIE_RX_PT_IP_L4(oip, tun, ver, ICMP)
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/* IPv oip --> tun --> IPv ver */
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#define LIBIE_RX_PT_IP_TUN_VER(oip, tun, ver) \
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LIBIE_RX_PT_IP_L3(oip, tun, ver, FRAG), \
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LIBIE_RX_PT_IP_NOF(oip, tun, ver)
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/* Non Tunneled IPv oip */
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#define LIBIE_RX_PT_IP_RAW(oip) \
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LIBIE_RX_PT_IP_FRAG(oip), \
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LIBIE_RX_PT_IP_NOF(oip, NONE, NONE)
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/* IPv oip --> tun --> { IPv4, IPv6 } */
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#define LIBIE_RX_PT_IP_TUN(oip, tun) \
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LIBIE_RX_PT_IP_TUN_VER(oip, tun, IPV4), \
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LIBIE_RX_PT_IP_TUN_VER(oip, tun, IPV6)
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/* IPv oip --> GRE/NAT tun --> { x, IPv4, IPv6 } */
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#define LIBIE_RX_PT_IP_GRE(oip, tun) \
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LIBIE_RX_PT_IP_L3(oip, tun, NONE, NOT_FRAG), \
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LIBIE_RX_PT_IP_TUN(oip, tun)
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/* Non Tunneled IPv oip
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* IPv oip --> { IPv4, IPv6 }
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* IPv oip --> GRE/NAT --> { x, IPv4, IPv6 }
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* IPv oip --> GRE/NAT --> MAC --> { x, IPv4, IPv6 }
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* IPv oip --> GRE/NAT --> MAC/VLAN --> { x, IPv4, IPv6 }
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*/
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#define LIBIE_RX_PT_IP(oip) \
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LIBIE_RX_PT_IP_RAW(oip), \
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LIBIE_RX_PT_IP_TUN(oip, IP), \
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LIBIE_RX_PT_IP_GRE(oip, GRENAT), \
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LIBIE_RX_PT_IP_GRE(oip, GRENAT_MAC), \
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LIBIE_RX_PT_IP_GRE(oip, GRENAT_MAC_VLAN)
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/* Lookup table mapping for O(1) parsing */
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const struct libeth_rx_pt libie_rx_pt_lut[LIBIE_RX_PT_NUM] = {
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/* L2 packet types */
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LIBIE_RX_PT_UNUSED,
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LIBIE_RX_PT_L2,
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LIBIE_RX_PT_TS,
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LIBIE_RX_PT_L2,
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LIBIE_RX_PT_UNUSED,
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LIBIE_RX_PT_UNUSED,
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LIBIE_RX_PT_L2,
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LIBIE_RX_PT_L2,
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LIBIE_RX_PT_UNUSED,
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LIBIE_RX_PT_UNUSED,
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LIBIE_RX_PT_L2,
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LIBIE_RX_PT_UNUSED,
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LIBIE_RX_PT_L3,
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LIBIE_RX_PT_L3,
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LIBIE_RX_PT_L3,
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LIBIE_RX_PT_L3,
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LIBIE_RX_PT_L3,
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LIBIE_RX_PT_L3,
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LIBIE_RX_PT_L3,
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LIBIE_RX_PT_L3,
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LIBIE_RX_PT_L3,
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LIBIE_RX_PT_L3,
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LIBIE_RX_PT_IP(4),
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LIBIE_RX_PT_IP(6),
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};
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EXPORT_SYMBOL_NS_GPL(libie_rx_pt_lut, LIBIE);
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MODULE_DESCRIPTION("Intel(R) Ethernet common library");
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MODULE_IMPORT_NS(LIBETH);
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MODULE_LICENSE("GPL");
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