mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-05 11:53:41 +00:00
359bcf15ec
Change EXPORT_SYMBOL_NS_GPL(x, "LIBETH") to EXPORT_SYMBOL_GPL(x) + DEFAULT_SYMBOL_NAMESPACE "LIBETH" to make the code more compact. Also, explicitly include <linux/export.h> to satisfy new requirements from scripts/misc-check. Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/* Copyright (C) 2024-2025 Intel Corporation */
|
|
|
|
#define DEFAULT_SYMBOL_NAMESPACE "LIBIE"
|
|
|
|
#include <linux/export.h>
|
|
#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_GPL(libie_rx_pt_lut);
|
|
|
|
MODULE_DESCRIPTION("Intel(R) Ethernet common library");
|
|
MODULE_IMPORT_NS("LIBETH");
|
|
MODULE_LICENSE("GPL");
|