/*
 * netsniff-ng - the packet sniffing beast
 * Subject to the GPL, version 2.
 */

#include <net/if_arp.h>
#include <linux/if_ether.h>

#include "built_in.h"
#include "trafgen_l2.h"
#include "trafgen_proto.h"

struct proto_field eth_fields[] = {
	{ .id = ETH_DST_ADDR, .len = 6, },
	{ .id = ETH_SRC_ADDR, .len = 6, .offset = 6 },
	{ .id = ETH_PROTO_ID, .len = 2, .offset = 12 },
};

static void eth_header_init(struct proto_hdr *hdr)
{
	proto_header_fields_add(hdr, eth_fields, array_size(eth_fields));

	proto_field_set_default_dev_mac(hdr, ETH_SRC_ADDR);
}

static struct proto_hdr eth_hdr = {
	.id		= PROTO_ETH,
	.layer		= PROTO_L2,
	.header_init	= eth_header_init,
};

static struct proto_field arp_fields[] = {
	{ .id = ARP_HTYPE, .len = 2 },
	{ .id = ARP_PTYPE, .len = 2, .offset = 2 },
	{ .id = ARP_HLEN,  .len = 1, .offset = 4 },
	{ .id = ARP_PLEN,  .len = 1, .offset = 5 },
	{ .id = ARP_OPER,  .len = 2, .offset = 6 },
	{ .id = ARP_SHA,   .len = 6, .offset = 8 },
	{ .id = ARP_SPA,   .len = 4, .offset = 14 },
	{ .id = ARP_THA,   .len = 6, .offset = 18 },
	{ .id = ARP_TPA,   .len = 4, .offset = 24 },
};

static void arp_header_init(struct proto_hdr *hdr)
{
	struct proto_hdr *lower;

	proto_lower_default_add(PROTO_ETH);

	lower = proto_current_header();

	if (lower->id == PROTO_ETH) {
		uint8_t bcast[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };

		proto_field_set_default_bytes(lower, ETH_DST_ADDR, bcast);
		proto_field_set_default_be16(lower, ETH_PROTO_ID, ETH_P_ARP);
	}

	proto_header_fields_add(hdr, arp_fields, array_size(arp_fields));

	/* Generate Announce request by default */
	proto_field_set_default_be16(hdr, ARP_HTYPE, ARPHRD_ETHER);
	proto_field_set_default_be16(hdr, ARP_PTYPE, ETH_P_IP);
	proto_field_set_default_u8(hdr, ARP_HLEN, 6);
	proto_field_set_default_u8(hdr, ARP_PLEN, 4);
	proto_field_set_default_be16(hdr, ARP_OPER, ARPOP_REQUEST);
	proto_field_set_default_dev_mac(hdr, ARP_SHA);
	proto_field_set_default_dev_ipv4(hdr, ARP_SPA);
	proto_field_set_default_dev_ipv4(hdr, ARP_TPA);
}

static struct proto_hdr arp_hdr = {
	.id		= PROTO_ARP,
	.layer		= PROTO_L2,
	.header_init	= arp_header_init,
};

void protos_l2_init(void)
{
	proto_header_register(&eth_hdr);
	proto_header_register(&arp_hdr);
}
rivate-remove&amp;id=b2347a322d1f6f93f1a39fe17ed08628fc959351'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/drivers/usb/host/ohci-ppc-of.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=b2347a322d1f6f93f1a39fe17ed08628fc959351'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers?h=nds-private-remove&amp;id=b2347a322d1f6f93f1a39fe17ed08628fc959351'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb?h=nds-private-remove&amp;id=b2347a322d1f6f93f1a39fe17ed08628fc959351'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/host?h=nds-private-remove&amp;id=b2347a322d1f6f93f1a39fe17ed08628fc959351'>host</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/host/ohci-ppc-of.c?h=nds-private-remove&amp;id=b2347a322d1f6f93f1a39fe17ed08628fc959351'>ohci-ppc-of.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/drivers/usb/host/ohci-ppc-of.c?h=nds-private-remove&amp;id=b2347a322d1f6f93f1a39fe17ed08628fc959351&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
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>Stanislaw Gruszka &lt;sgruszka@redhat.com&gt;</td><td class='right'>2017-01-29 12:40:52 +0100</td></tr>
<tr><th>committer</th><td>Kalle Valo &lt;kvalo@codeaurora.org&gt;</td><td class='right'>2017-01-31 09:08:52 +0200</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ceph/snapshot.c?id=33e962c8871f015f5c8978384553dddcf5b81b22'>33e962c8871f015f5c8978384553dddcf5b81b22</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/ceph/snapshot.c?id=33e962c8871f015f5c8978384553dddcf5b81b22'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=33e962c8871f015f5c8978384553dddcf5b81b22'>43aff96c2ee21d9e0fa2018457778a4de52053cd</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/ceph/snapshot.c?id=33e962c8871f015f5c8978384553dddcf5b81b22'>net/ceph/snapshot.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ceph/snapshot.c?id=575ddce0507789bf9830d089557d2199d2f91865'>575ddce0507789bf9830d089557d2199d2f91865</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/ceph/snapshot.c?id=33e962c8871f015f5c8978384553dddcf5b81b22&amp;id2=575ddce0507789bf9830d089557d2199d2f91865'>diff</a>)</td></tr></table>
<div class='commit-subject'>rt2x00: fix clk_get call</div><div class='commit-msg'>clk_get() takes two arguments and might return ERR_PTR(), so we
have to nullify pointer on that case, to do not break further call
to clk_get_rate().

Reported-by: Felix Fietkau &lt;nbd@nbd.name&gt;
Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices")
Signed-off-by: Stanislaw Gruszka &lt;sgruszka@redhat.com&gt;
Signed-off-by: Kalle Valo &lt;kvalo@codeaurora.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=33e962c8871f015f5c8978384553dddcf5b81b22'>Diffstat</a> (limited to 'net/ceph/snapshot.c')</div><table summary='diffstat' class='diffstat'>