cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

fib.h (2608B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#undef TRACE_SYSTEM
      3#define TRACE_SYSTEM fib
      4
      5#if !defined(_TRACE_FIB_H) || defined(TRACE_HEADER_MULTI_READ)
      6#define _TRACE_FIB_H
      7
      8#include <linux/skbuff.h>
      9#include <linux/netdevice.h>
     10#include <net/ip_fib.h>
     11#include <linux/tracepoint.h>
     12
     13TRACE_EVENT(fib_table_lookup,
     14
     15	TP_PROTO(u32 tb_id, const struct flowi4 *flp,
     16		 const struct fib_nh_common *nhc, int err),
     17
     18	TP_ARGS(tb_id, flp, nhc, err),
     19
     20	TP_STRUCT__entry(
     21		__field(	u32,	tb_id		)
     22		__field(	int,	err		)
     23		__field(	int,	oif		)
     24		__field(	int,	iif		)
     25		__field(	u8,	proto		)
     26		__field(	__u8,	tos		)
     27		__field(	__u8,	scope		)
     28		__field(	__u8,	flags		)
     29		__array(	__u8,	src,	4	)
     30		__array(	__u8,	dst,	4	)
     31		__array(	__u8,	gw4,	4	)
     32		__array(	__u8,	gw6,	16	)
     33		__field(	u16,	sport		)
     34		__field(	u16,	dport		)
     35		__dynamic_array(char,  name,   IFNAMSIZ )
     36	),
     37
     38	TP_fast_assign(
     39		struct in6_addr in6_zero = {};
     40		struct net_device *dev;
     41		struct in6_addr *in6;
     42		__be32 *p32;
     43
     44		__entry->tb_id = tb_id;
     45		__entry->err = err;
     46		__entry->oif = flp->flowi4_oif;
     47		__entry->iif = flp->flowi4_iif;
     48		__entry->tos = flp->flowi4_tos;
     49		__entry->scope = flp->flowi4_scope;
     50		__entry->flags = flp->flowi4_flags;
     51
     52		p32 = (__be32 *) __entry->src;
     53		*p32 = flp->saddr;
     54
     55		p32 = (__be32 *) __entry->dst;
     56		*p32 = flp->daddr;
     57
     58		__entry->proto = flp->flowi4_proto;
     59		if (__entry->proto == IPPROTO_TCP ||
     60		    __entry->proto == IPPROTO_UDP) {
     61			__entry->sport = ntohs(flp->fl4_sport);
     62			__entry->dport = ntohs(flp->fl4_dport);
     63		} else {
     64			__entry->sport = 0;
     65			__entry->dport = 0;
     66		}
     67
     68		dev = nhc ? nhc->nhc_dev : NULL;
     69		__assign_str(name, dev ? dev->name : "-");
     70
     71		if (nhc) {
     72			if (nhc->nhc_gw_family == AF_INET) {
     73				p32 = (__be32 *) __entry->gw4;
     74				*p32 = nhc->nhc_gw.ipv4;
     75
     76				in6 = (struct in6_addr *)__entry->gw6;
     77				*in6 = in6_zero;
     78			} else if (nhc->nhc_gw_family == AF_INET6) {
     79				p32 = (__be32 *) __entry->gw4;
     80				*p32 = 0;
     81
     82				in6 = (struct in6_addr *)__entry->gw6;
     83				*in6 = nhc->nhc_gw.ipv6;
     84			}
     85		} else {
     86			p32 = (__be32 *) __entry->gw4;
     87			*p32 = 0;
     88
     89			in6 = (struct in6_addr *)__entry->gw6;
     90			*in6 = in6_zero;
     91		}
     92	),
     93
     94	TP_printk("table %u oif %d iif %d proto %u %pI4/%u -> %pI4/%u tos %d scope %d flags %x ==> dev %s gw %pI4/%pI6c err %d",
     95		  __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,
     96		  __entry->src, __entry->sport, __entry->dst, __entry->dport,
     97		  __entry->tos, __entry->scope, __entry->flags,
     98		  __get_str(name), __entry->gw4, __entry->gw6, __entry->err)
     99);
    100#endif /* _TRACE_FIB_H */
    101
    102/* This part must be outside protection */
    103#include <trace/define_trace.h>