/*
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* Copyright (c) 2017, Mellanox Technologies. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#define CREATE_TRACE_POINTS
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#include "fs_tracepoint.h"
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#include <linux/stringify.h>
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#define DECLARE_MASK_VAL(type, name) struct {type m; type v; } name
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#define MASK_VAL(type, spec, name, mask, val, fld) \
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DECLARE_MASK_VAL(type, name) = \
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{.m = MLX5_GET(spec, mask, fld),\
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.v = MLX5_GET(spec, val, fld)}
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#define MASK_VAL_BE(type, spec, name, mask, val, fld) \
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DECLARE_MASK_VAL(type, name) = \
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{.m = MLX5_GET_BE(type, spec, mask, fld),\
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.v = MLX5_GET_BE(type, spec, val, fld)}
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#define GET_MASKED_VAL(name) (name.m & name.v)
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#define GET_MASK_VAL(name, type, mask, val, fld) \
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(name.m = MLX5_GET(type, mask, fld), \
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name.v = MLX5_GET(type, val, fld), \
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name.m & name.v)
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#define PRINT_MASKED_VAL(name, p, format) { \
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if (name.m) \
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trace_seq_printf(p, __stringify(name) "=" format " ", name.v); \
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}
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#define PRINT_MASKED_VALP(name, cast, p, format) { \
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if (name.m) \
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trace_seq_printf(p, __stringify(name) "=" format " ", \
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(cast)&name.v);\
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}
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static void print_lyr_2_4_hdrs(struct trace_seq *p,
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const u32 *mask, const u32 *value)
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{
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#define MASK_VAL_L2(type, name, fld) \
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MASK_VAL(type, fte_match_set_lyr_2_4, name, mask, value, fld)
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DECLARE_MASK_VAL(u64, smac) = {
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.m = MLX5_GET(fte_match_set_lyr_2_4, mask, smac_47_16) << 16 |
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MLX5_GET(fte_match_set_lyr_2_4, mask, smac_15_0),
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.v = MLX5_GET(fte_match_set_lyr_2_4, value, smac_47_16) << 16 |
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MLX5_GET(fte_match_set_lyr_2_4, value, smac_15_0)};
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DECLARE_MASK_VAL(u64, dmac) = {
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.m = MLX5_GET(fte_match_set_lyr_2_4, mask, dmac_47_16) << 16 |
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MLX5_GET(fte_match_set_lyr_2_4, mask, dmac_15_0),
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.v = MLX5_GET(fte_match_set_lyr_2_4, value, dmac_47_16) << 16 |
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MLX5_GET(fte_match_set_lyr_2_4, value, dmac_15_0)};
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MASK_VAL_L2(u16, ethertype, ethertype);
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PRINT_MASKED_VALP(smac, u8 *, p, "%pM");
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PRINT_MASKED_VALP(dmac, u8 *, p, "%pM");
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PRINT_MASKED_VAL(ethertype, p, "%04x");
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if (ethertype.m == 0xffff) {
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if (ethertype.v == ETH_P_IP) {
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#define MASK_VAL_L2_BE(type, name, fld) \
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MASK_VAL_BE(type, fte_match_set_lyr_2_4, name, mask, value, fld)
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MASK_VAL_L2_BE(u32, src_ipv4,
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src_ipv4_src_ipv6.ipv4_layout.ipv4);
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MASK_VAL_L2_BE(u32, dst_ipv4,
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dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
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PRINT_MASKED_VALP(src_ipv4, typeof(&src_ipv4.v), p,
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"%pI4");
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PRINT_MASKED_VALP(dst_ipv4, typeof(&dst_ipv4.v), p,
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"%pI4");
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} else if (ethertype.v == ETH_P_IPV6) {
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static const struct in6_addr full_ones = {
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.in6_u.u6_addr32 = {__constant_htonl(0xffffffff),
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__constant_htonl(0xffffffff),
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__constant_htonl(0xffffffff),
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__constant_htonl(0xffffffff)},
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};
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DECLARE_MASK_VAL(struct in6_addr, src_ipv6);
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DECLARE_MASK_VAL(struct in6_addr, dst_ipv6);
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memcpy(src_ipv6.m.in6_u.u6_addr8,
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MLX5_ADDR_OF(fte_match_set_lyr_2_4, mask,
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src_ipv4_src_ipv6.ipv6_layout.ipv6),
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sizeof(src_ipv6.m));
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memcpy(dst_ipv6.m.in6_u.u6_addr8,
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MLX5_ADDR_OF(fte_match_set_lyr_2_4, mask,
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dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
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sizeof(dst_ipv6.m));
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memcpy(src_ipv6.v.in6_u.u6_addr8,
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MLX5_ADDR_OF(fte_match_set_lyr_2_4, value,
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src_ipv4_src_ipv6.ipv6_layout.ipv6),
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sizeof(src_ipv6.v));
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memcpy(dst_ipv6.v.in6_u.u6_addr8,
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MLX5_ADDR_OF(fte_match_set_lyr_2_4, value,
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dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
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sizeof(dst_ipv6.v));
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if (!memcmp(&src_ipv6.m, &full_ones, sizeof(full_ones)))
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trace_seq_printf(p, "src_ipv6=%pI6 ",
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&src_ipv6.v);
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if (!memcmp(&dst_ipv6.m, &full_ones, sizeof(full_ones)))
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trace_seq_printf(p, "dst_ipv6=%pI6 ",
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&dst_ipv6.v);
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}
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}
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#define PRINT_MASKED_VAL_L2(type, name, fld, p, format) {\
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MASK_VAL_L2(type, name, fld); \
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PRINT_MASKED_VAL(name, p, format); \
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}
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PRINT_MASKED_VAL_L2(u8, ip_protocol, ip_protocol, p, "%02x");
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PRINT_MASKED_VAL_L2(u16, tcp_flags, tcp_flags, p, "%x");
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PRINT_MASKED_VAL_L2(u16, tcp_sport, tcp_sport, p, "%u");
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PRINT_MASKED_VAL_L2(u16, tcp_dport, tcp_dport, p, "%u");
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PRINT_MASKED_VAL_L2(u16, udp_sport, udp_sport, p, "%u");
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PRINT_MASKED_VAL_L2(u16, udp_dport, udp_dport, p, "%u");
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PRINT_MASKED_VAL_L2(u16, first_vid, first_vid, p, "%04x");
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PRINT_MASKED_VAL_L2(u8, first_prio, first_prio, p, "%x");
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PRINT_MASKED_VAL_L2(u8, first_cfi, first_cfi, p, "%d");
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PRINT_MASKED_VAL_L2(u8, ip_dscp, ip_dscp, p, "%02x");
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PRINT_MASKED_VAL_L2(u8, ip_ecn, ip_ecn, p, "%x");
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PRINT_MASKED_VAL_L2(u8, cvlan_tag, cvlan_tag, p, "%d");
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PRINT_MASKED_VAL_L2(u8, svlan_tag, svlan_tag, p, "%d");
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PRINT_MASKED_VAL_L2(u8, frag, frag, p, "%d");
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}
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static void print_misc_parameters_hdrs(struct trace_seq *p,
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const u32 *mask, const u32 *value)
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{
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#define MASK_VAL_MISC(type, name, fld) \
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MASK_VAL(type, fte_match_set_misc, name, mask, value, fld)
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#define PRINT_MASKED_VAL_MISC(type, name, fld, p, format) {\
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MASK_VAL_MISC(type, name, fld); \
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PRINT_MASKED_VAL(name, p, format); \
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}
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DECLARE_MASK_VAL(u64, gre_key) = {
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.m = MLX5_GET(fte_match_set_misc, mask, gre_key_h) << 8 |
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MLX5_GET(fte_match_set_misc, mask, gre_key_l),
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.v = MLX5_GET(fte_match_set_misc, value, gre_key_h) << 8 |
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MLX5_GET(fte_match_set_misc, value, gre_key_l)};
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PRINT_MASKED_VAL(gre_key, p, "%llu");
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PRINT_MASKED_VAL_MISC(u32, source_sqn, source_sqn, p, "%u");
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PRINT_MASKED_VAL_MISC(u16, source_port, source_port, p, "%u");
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PRINT_MASKED_VAL_MISC(u8, outer_second_prio, outer_second_prio,
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p, "%u");
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PRINT_MASKED_VAL_MISC(u8, outer_second_cfi, outer_second_cfi, p, "%u");
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PRINT_MASKED_VAL_MISC(u16, outer_second_vid, outer_second_vid, p, "%u");
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PRINT_MASKED_VAL_MISC(u8, inner_second_prio, inner_second_prio,
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p, "%u");
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PRINT_MASKED_VAL_MISC(u8, inner_second_cfi, inner_second_cfi, p, "%u");
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PRINT_MASKED_VAL_MISC(u16, inner_second_vid, inner_second_vid, p, "%u");
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PRINT_MASKED_VAL_MISC(u8, outer_second_cvlan_tag,
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outer_second_cvlan_tag, p, "%u");
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PRINT_MASKED_VAL_MISC(u8, inner_second_cvlan_tag,
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inner_second_cvlan_tag, p, "%u");
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PRINT_MASKED_VAL_MISC(u8, outer_second_svlan_tag,
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outer_second_svlan_tag, p, "%u");
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PRINT_MASKED_VAL_MISC(u8, inner_second_svlan_tag,
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inner_second_svlan_tag, p, "%u");
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PRINT_MASKED_VAL_MISC(u8, gre_protocol, gre_protocol, p, "%u");
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PRINT_MASKED_VAL_MISC(u32, vxlan_vni, vxlan_vni, p, "%u");
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PRINT_MASKED_VAL_MISC(u32, outer_ipv6_flow_label, outer_ipv6_flow_label,
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p, "%x");
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PRINT_MASKED_VAL_MISC(u32, inner_ipv6_flow_label, inner_ipv6_flow_label,
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p, "%x");
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}
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const char *parse_fs_hdrs(struct trace_seq *p,
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u8 match_criteria_enable,
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const u32 *mask_outer,
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const u32 *mask_misc,
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const u32 *mask_inner,
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const u32 *value_outer,
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const u32 *value_misc,
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const u32 *value_inner)
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{
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const char *ret = trace_seq_buffer_ptr(p);
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if (match_criteria_enable &
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1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_OUTER_HEADERS) {
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trace_seq_printf(p, "[outer] ");
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print_lyr_2_4_hdrs(p, mask_outer, value_outer);
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}
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if (match_criteria_enable &
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1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS) {
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trace_seq_printf(p, "[misc] ");
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print_misc_parameters_hdrs(p, mask_misc, value_misc);
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}
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if (match_criteria_enable &
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1 << MLX5_CREATE_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_INNER_HEADERS) {
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trace_seq_printf(p, "[inner] ");
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print_lyr_2_4_hdrs(p, mask_inner, value_inner);
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}
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trace_seq_putc(p, 0);
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return ret;
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}
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const char *parse_fs_dst(struct trace_seq *p,
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const struct mlx5_flow_destination *dst,
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u32 counter_id)
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{
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const char *ret = trace_seq_buffer_ptr(p);
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switch (dst->type) {
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case MLX5_FLOW_DESTINATION_TYPE_VPORT:
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trace_seq_printf(p, "vport=%u\n", dst->vport.num);
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break;
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case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
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trace_seq_printf(p, "ft=%p\n", dst->ft);
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break;
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case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM:
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trace_seq_printf(p, "ft_num=%u\n", dst->ft_num);
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break;
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case MLX5_FLOW_DESTINATION_TYPE_TIR:
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trace_seq_printf(p, "tir=%u\n", dst->tir_num);
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break;
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case MLX5_FLOW_DESTINATION_TYPE_COUNTER:
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trace_seq_printf(p, "counter_id=%u\n", counter_id);
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break;
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case MLX5_FLOW_DESTINATION_TYPE_PORT:
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trace_seq_printf(p, "port\n");
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break;
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}
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trace_seq_putc(p, 0);
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return ret;
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}
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EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_add_fg);
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EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_del_fg);
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EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_set_fte);
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EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_del_fte);
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EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_add_rule);
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EXPORT_TRACEPOINT_SYMBOL(mlx5_fs_del_rule);
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