/*
 * netsniff-ng - the packet sniffing beast
 * Copyright 2009 - 2013 Daniel Borkmann.
 * Subject to the GPL, version 2.
 */

#ifndef DISSECTOR_H
#define DISSECTOR_H

#include <stdlib.h>
#include <stdint.h>
#include <sys/socket.h>
#include <linux/if.h>
#include <linux/netlink.h>
#include <linux/if_packet.h>

#include "ring.h"
#include "tprintf.h"
#include "linktype.h"
#include "vlan.h"

#define PRINT_NORM		0
#define PRINT_LESS		1
#define PRINT_HEX		2
#define PRINT_ASCII		3
#define PRINT_HEX_ASCII		4
#define PRINT_NONE		5

extern char *if_indextoname(unsigned ifindex, char *ifname);

static const char * const packet_types[256] = {
	[PACKET_HOST]		=	"<",  /* Incoming */
	[PACKET_BROADCAST]	=	"B",  /* Broadcast */
	[PACKET_MULTICAST]	=	"M",  /* Multicast */
	[PACKET_OTHERHOST]	=	"P",  /* Promisc */
	[PACKET_OUTGOING]	=	">",  /* Outgoing */
	[PACKET_USER]		=	"K->U", /* To Userspace */
	[PACKET_KERNEL]		=	"U->K", /* To Kernelspace */
};

static inline const char *__show_ts_source(uint32_t status)
{
	if (status & TP_STATUS_TS_RAW_HARDWARE)
		return "(raw hw ts)";
	else if (status & TP_STATUS_TS_SYS_HARDWARE)
		return "(sys hw ts)";
	else if (status & TP_STATUS_TS_SOFTWARE)
		return "(sw ts)";
	else
		return "";
}

static inline void __show_frame_hdr(uint8_t *packet, size_t len, int linktype,
				    struct sockaddr_ll *s_ll, void *raw_hdr,
				    int mode, bool v3, unsigned long count)
{
	char tmp[IFNAMSIZ];
	union tpacket_uhdr hdr;
	uint8_t pkttype = s_ll->sll_pkttype;
	bool is_nl;

	if (mode == PRINT_NONE)
		return;

	/*
	 * If we're capturing on nlmon0, all packets will have sll_pkttype set
	 * to PACKET_OUTGOING, but we actually want PACKET_USER/PACKET_KERNEL as
	 * it originally was set in the kernel. Thus, use nlmsghdr->nlmsg_pid to
	 * restore the type.
	 */
	is_nl = (linktype == LINKTYPE_NETLINK && len >= sizeof(struct nlmsghdr));
	if (is_nl && pkttype == PACKET_OUTGOING) {
		struct nlmsghdr *hdr = (struct nlmsghdr *) packet;
		pkttype = hdr->nlmsg_pid == 0 ? PACKET_KERNEL : PACKET_USER;
	}

	hdr.raw = raw_hdr;
	switch (mode) {
	case PRINT_LESS:
		tprintf("%s %s %u #%lu",
			packet_types[pkttype] ? : "?",
			if_indextoname(s_ll->sll_ifindex, tmp) ? : "?",
			tpacket_uhdr(hdr, tp_len, v3),
			count);
		break;
	default:
		tprintf("%s %s %u %us.%uns #%lu %s\n",
			packet_types[pkttype] ? : "?",
			if_indextoname(s_ll->sll_ifindex, tmp) ? : "?",
			tpacket_uhdr(hdr, tp_len, v3),
			tpacket_uhdr(hdr, tp_sec, v3),
			tpacket_uhdr(hdr, tp_nsec, v3),
			count,
			v3 ? "" : __show_ts_source(hdr.h2->tp_status));

		if (tpacket_has_vlan_info(&hdr)) {
			uint16_t tci = tpacket_uhdr_vlan_tci(&hdr, v3);

			tprintf(" [ tpacketv3 VLAN ");
			tprintf("Prio (%u), ", vlan_tci2prio(tci));
			tprintf("CFI (%u), ", vlan_tci2cfi(tci));
			tprintf("ID (%u), ", vlan_tci2vid(tci));
			tprintf("Proto (0x%.4x)", tpacket_uhdr_vlan_proto(&hdr, v3));
			tprintf(" ]\n");
		}
		break;
	}
}

static inline void show_frame_hdr(uint8_t *packet, size_t len, int linktype,
				  struct frame_map *hdr, int mode,
				  unsigned long count)
{
	__show_frame_hdr(packet, len, linktype, &hdr->s_ll, &hdr->tp_h, mode,
			 false, count);
}

extern void dissector_init_all(int fnttype);
extern void dissector_entry_point(uint8_t *packet, size_t len, int linktype,
				  int mode, struct sockaddr_ll *sll);
extern void dissector_cleanup_all(void);
extern int dissector_set_print_type(void *ptr, int type);

#endif /* DISSECTOR_H */
f31f98194e4f6b6cae7'>drm_displayid.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='79c6f448c8b79c321e4a1f31f98194e4f6b6cae7'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Steven Rostedt (VMware) &lt;rostedt@goodmis.org&gt;</td><td class='right'>2017-01-30 19:27:10 -0500</td></tr>
<tr><th>committer</th><td>Steven Rostedt (VMware) &lt;rostedt@goodmis.org&gt;</td><td class='right'>2017-01-31 09:13:49 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/drm/drm_displayid.h?h=nds-private-remove&amp;id=79c6f448c8b79c321e4a1f31f98194e4f6b6cae7'>79c6f448c8b79c321e4a1f31f98194e4f6b6cae7</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/drm/drm_displayid.h?id=79c6f448c8b79c321e4a1f31f98194e4f6b6cae7'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=79c6f448c8b79c321e4a1f31f98194e4f6b6cae7'>370efda701f03cccf21e02bb1fdd3b852547d75c</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/drm/drm_displayid.h?h=nds-private-remove&amp;id=79c6f448c8b79c321e4a1f31f98194e4f6b6cae7'>include/drm/drm_displayid.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/drm/drm_displayid.h?h=nds-private-remove&amp;id=0c744ea4f77d72b3dcebb7a8f2684633ec79be88'>0c744ea4f77d72b3dcebb7a8f2684633ec79be88</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/drm/drm_displayid.h?h=nds-private-remove&amp;id=79c6f448c8b79c321e4a1f31f98194e4f6b6cae7&amp;id2=0c744ea4f77d72b3dcebb7a8f2684633ec79be88'>diff</a>)</td></tr></table>
<div class='commit-subject'>tracing: Fix hwlat kthread migration</div><div class='commit-msg'>The hwlat tracer creates a kernel thread at start of the tracer. It is
pinned to a single CPU and will move to the next CPU after each period of
running. If the user modifies the migration thread's affinity, it will not
change after that happens.

The original code created the thread at the first instance it was called,
but later was changed to destroy the thread after the tracer was finished,
and would not be created until the next instance of the tracer was
established. The code that initialized the affinity was only called on the
initial instantiation of the tracer. After that, it was not initialized, and
the previous affinity did not match the current newly created one, making
it appear that the user modified the thread's affinity when it did not, and
the thread failed to migrate again.

Cc: stable@vger.kernel.org
Fixes: 0330f7aa8ee6 ("tracing: Have hwlat trace migrate across tracing_cpumask CPUs")
Signed-off-by: Steven Rostedt (VMware) &lt;rostedt@goodmis.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=79c6f448c8b79c321e4a1f31f98194e4f6b6cae7'>Diffstat</a> (limited to 'include/drm/drm_displayid.h')</div><table summary='diffstat' class='diffstat'>