[thirdparty/kernel/stable.git] / drivers / net / ethernet / mellanox / mlx5 / core / en_selftest.c

/*
 * Copyright (c) 2016, Mellanox Technologies, Ltd.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <linux/prefetch.h>
#include <linux/ip.h>
#include <linux/udp.h>
#include <net/udp.h>
#include "en.h"

enum {
	MLX5E_ST_LINK_STATE,
	MLX5E_ST_LINK_SPEED,
	MLX5E_ST_HEALTH_INFO,
#ifdef CONFIG_INET
	MLX5E_ST_LOOPBACK,
#endif
	MLX5E_ST_NUM,
};

const char mlx5e_self_tests[MLX5E_ST_NUM][ETH_GSTRING_LEN] = {
	"Link Test",
	"Speed Test",
	"Health Test",
#ifdef CONFIG_INET
	"Loopback Test",
#endif
};

int mlx5e_self_test_num(struct mlx5e_priv *priv)
{
	return ARRAY_SIZE(mlx5e_self_tests);
}

static int mlx5e_test_health_info(struct mlx5e_priv *priv)
{
	struct mlx5_core_health *health = &priv->mdev->priv.health;

	return health->sick ? 1 : 0;
}

static int mlx5e_test_link_state(struct mlx5e_priv *priv)
{
	u8 port_state;

	if (!netif_carrier_ok(priv->netdev))
		return 1;

	port_state = mlx5_query_vport_state(priv->mdev, MLX5_VPORT_STATE_OP_MOD_VNIC_VPORT, 0);
	return port_state == VPORT_STATE_UP ? 0 : 1;
}

static int mlx5e_test_link_speed(struct mlx5e_priv *priv)
{
	u32 out[MLX5_ST_SZ_DW(ptys_reg)];
	u32 eth_proto_oper;
	int i;

	if (!netif_carrier_ok(priv->netdev))
		return 1;

	if (mlx5_query_port_ptys(priv->mdev, out, sizeof(out), MLX5_PTYS_EN, 1))
		return 1;

	eth_proto_oper = MLX5_GET(ptys_reg, out, eth_proto_oper);
	for (i = 0; i < MLX5E_LINK_MODES_NUMBER; i++) {
		if (eth_proto_oper & MLX5E_PROT_MASK(i))
			return 0;
	}
	return 1;
}

struct mlx5ehdr {
	__be32 version;
	__be64 magic;
};

#ifdef CONFIG_INET
/* loopback test */
#define MLX5E_TEST_PKT_SIZE (sizeof(struct ethhdr) + sizeof(struct iphdr) +\
			     sizeof(struct udphdr) + sizeof(struct mlx5ehdr))
#define MLX5E_TEST_MAGIC 0x5AEED15C001ULL

static struct sk_buff *mlx5e_test_get_udp_skb(struct mlx5e_priv *priv)
{
	struct sk_buff *skb = NULL;
	struct mlx5ehdr *mlxh;
	struct ethhdr *ethh;
	struct udphdr *udph;
	struct iphdr *iph;
	int    iplen;

	skb = netdev_alloc_skb(priv->netdev, MLX5E_TEST_PKT_SIZE);
	if (!skb) {
		netdev_err(priv->netdev, "\tFailed to alloc loopback skb\n");
		return NULL;
	}

	prefetchw(skb->data);
	skb_reserve(skb, NET_IP_ALIGN);

	/*  Reserve for ethernet and IP header  */
	ethh = skb_push(skb, ETH_HLEN);
	skb_reset_mac_header(skb);

	skb_set_network_header(skb, skb->len);
	iph = skb_put(skb, sizeof(struct iphdr));

	skb_set_transport_header(skb, skb->len);
	udph = skb_put(skb, sizeof(struct udphdr));

	/* Fill ETH header */
	ether_addr_copy(ethh->h_dest, priv->netdev->dev_addr);
	eth_zero_addr(ethh->h_source);
	ethh->h_proto = htons(ETH_P_IP);

	/* Fill UDP header */
	udph->source = htons(9);
	udph->dest = htons(9); /* Discard Protocol */
	udph->len = htons(sizeof(struct mlx5ehdr) + sizeof(struct udphdr));
	udph->check = 0;

	/* Fill IP header */
	iph->ihl = 5;
	iph->ttl = 32;
	iph->version = 4;
	iph->protocol = IPPROTO_UDP;
	iplen = sizeof(struct iphdr) + sizeof(struct udphdr) +
		sizeof(struct mlx5ehdr);
	iph->tot_len = htons(iplen);
	iph->frag_off = 0;
	iph->saddr = 0;
	iph->daddr = 0;
	iph->tos = 0;
	iph->id = 0;
	ip_send_check(iph);

	/* Fill test header and data */
	mlxh = skb_put(skb, sizeof(*mlxh));
	mlxh->version = 0;
	mlxh->magic = cpu_to_be64(MLX5E_TEST_MAGIC);

	skb->csum = 0;
	skb->ip_summed = CHECKSUM_PARTIAL;
	udp4_hwcsum(skb, iph->saddr, iph->daddr);

	skb->protocol = htons(ETH_P_IP);
	skb->pkt_type = PACKET_HOST;
	skb->dev = priv->netdev;

	return skb;
}

struct mlx5e_lbt_priv {
	struct packet_type pt;
	struct completion comp;
	bool loopback_ok;
	bool local_lb;
};

static int
mlx5e_test_loopback_validate(struct sk_buff *skb,
			     struct net_device *ndev,
			     struct packet_type *pt,
			     struct net_device *orig_ndev)
{
	struct mlx5e_lbt_priv *lbtp = pt->af_packet_priv;
	struct mlx5ehdr *mlxh;
	struct ethhdr *ethh;
	struct udphdr *udph;
	struct iphdr *iph;

	/* We are only going to peek, no need to clone the SKB */
	if (MLX5E_TEST_PKT_SIZE - ETH_HLEN > skb_headlen(skb))
		goto out;

	ethh = (struct ethhdr *)skb_mac_header(skb);
	if (!ether_addr_equal(ethh->h_dest, orig_ndev->dev_addr))
		goto out;

	iph = ip_hdr(skb);
	if (iph->protocol != IPPROTO_UDP)
		goto out;

	/* Don't assume skb_transport_header() was set */
	udph = (struct udphdr *)((u8 *)iph + 4 * iph->ihl);
	if (udph->dest != htons(9))
		goto out;

	mlxh = (struct mlx5ehdr *)((char *)udph + sizeof(*udph));
	if (mlxh->magic != cpu_to_be64(MLX5E_TEST_MAGIC))
		goto out; /* so close ! */

	/* bingo */
	lbtp->loopback_ok = true;
	complete(&lbtp->comp);
out:
	kfree_skb(skb);
	return 0;
}

static int mlx5e_test_loopback_setup(struct mlx5e_priv *priv,
				     struct mlx5e_lbt_priv *lbtp)
{
	int err = 0;

	/* Temporarily enable local_lb */
	err = mlx5_nic_vport_query_local_lb(priv->mdev, &lbtp->local_lb);
	if (err)
		return err;

	if (!lbtp->local_lb) {
		err = mlx5_nic_vport_update_local_lb(priv->mdev, true);
		if (err)
			return err;
	}

	err = mlx5e_refresh_tirs(priv, true);
	if (err)
		goto out;

	lbtp->loopback_ok = false;
	init_completion(&lbtp->comp);

	lbtp->pt.type = htons(ETH_P_IP);
	lbtp->pt.func = mlx5e_test_loopback_validate;
	lbtp->pt.dev = priv->netdev;
	lbtp->pt.af_packet_priv = lbtp;
	dev_add_pack(&lbtp->pt);

	return 0;

out:
	if (!lbtp->local_lb)
		mlx5_nic_vport_update_local_lb(priv->mdev, false);

	return err;
}

static void mlx5e_test_loopback_cleanup(struct mlx5e_priv *priv,
					struct mlx5e_lbt_priv *lbtp)
{
	if (!lbtp->local_lb)
		mlx5_nic_vport_update_local_lb(priv->mdev, false);

	dev_remove_pack(&lbtp->pt);
	mlx5e_refresh_tirs(priv, false);
}

#define MLX5E_LB_VERIFY_TIMEOUT (msecs_to_jiffies(200))
static int mlx5e_test_loopback(struct mlx5e_priv *priv)
{
	struct mlx5e_lbt_priv *lbtp;
	struct sk_buff *skb = NULL;
	int err;

	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
		netdev_err(priv->netdev,
			   "\tCan't perform loopback test while device is down\n");
		return -ENODEV;
	}

	lbtp = kzalloc(sizeof(*lbtp), GFP_KERNEL);
	if (!lbtp)
		return -ENOMEM;
	lbtp->loopback_ok = false;

	err = mlx5e_test_loopback_setup(priv, lbtp);
	if (err)
		goto out;

	skb = mlx5e_test_get_udp_skb(priv);
	if (!skb) {
		err = -ENOMEM;
		goto cleanup;
	}

	skb_set_queue_mapping(skb, 0);
	err = dev_queue_xmit(skb);
	if (err) {
		netdev_err(priv->netdev,
			   "\tFailed to xmit loopback packet err(%d)\n",
			   err);
		goto cleanup;
	}

	wait_for_completion_timeout(&lbtp->comp, MLX5E_LB_VERIFY_TIMEOUT);
	err = !lbtp->loopback_ok;

cleanup:
	mlx5e_test_loopback_cleanup(priv, lbtp);
out:
	kfree(lbtp);
	return err;
}
#endif

static int (*mlx5e_st_func[MLX5E_ST_NUM])(struct mlx5e_priv *) = {
	mlx5e_test_link_state,
	mlx5e_test_link_speed,
	mlx5e_test_health_info,
#ifdef CONFIG_INET
	mlx5e_test_loopback,
#endif
};

void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest,
		     u64 *buf)
{
	struct mlx5e_priv *priv = netdev_priv(ndev);
	int i;

	memset(buf, 0, sizeof(u64) * MLX5E_ST_NUM);

	mutex_lock(&priv->state_lock);
	netdev_info(ndev, "Self test begin..\n");

	for (i = 0; i < MLX5E_ST_NUM; i++) {
		netdev_info(ndev, "\t[%d] %s start..\n",
			    i, mlx5e_self_tests[i]);
		buf[i] = mlx5e_st_func[i](priv);
		netdev_info(ndev, "\t[%d] %s end: result(%lld)\n",
			    i, mlx5e_self_tests[i], buf[i]);
	}

	mutex_unlock(&priv->state_lock);

	for (i = 0; i < MLX5E_ST_NUM; i++) {
		if (buf[i]) {
			etest->flags |= ETH_TEST_FL_FAILED;
			break;
		}
	}
	netdev_info(ndev, "Self test out: status flags(0x%x)\n",
		    etest->flags);
}
Commit	Line	Data
d605d668 KH	1	/*
	2	* Copyright (c) 2016, Mellanox Technologies, Ltd. All rights reserved.
	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and/or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*/
	32
18bcf742	33	#include <linux/prefetch.h>
0952da79 SM	34	#include <linux/ip.h>
	35	#include <linux/udp.h>
	36	#include <net/udp.h>
d605d668 KH	37	#include "en.h"
	38
	39	enum {
	40	MLX5E_ST_LINK_STATE,
	41	MLX5E_ST_LINK_SPEED,
	42	MLX5E_ST_HEALTH_INFO,
d709b2a1	43	#ifdef CONFIG_INET
0952da79	44	MLX5E_ST_LOOPBACK,
d709b2a1	45	#endif
d605d668 KH	46	MLX5E_ST_NUM,
	47	};
	48
	49	const char mlx5e_self_tests[MLX5E_ST_NUM][ETH_GSTRING_LEN] = {
	50	"Link Test",
	51	"Speed Test",
	52	"Health Test",
d709b2a1	53	#ifdef CONFIG_INET
0952da79	54	"Loopback Test",
d709b2a1	55	#endif
d605d668 KH	56	};
	57
	58	int mlx5e_self_test_num(struct mlx5e_priv *priv)
	59	{
	60	return ARRAY_SIZE(mlx5e_self_tests);
	61	}
	62
	63	static int mlx5e_test_health_info(struct mlx5e_priv *priv)
	64	{
	65	struct mlx5_core_health *health = &priv->mdev->priv.health;
	66
	67	return health->sick ? 1 : 0;
	68	}
	69
	70	static int mlx5e_test_link_state(struct mlx5e_priv *priv)
	71	{
	72	u8 port_state;
	73
	74	if (!netif_carrier_ok(priv->netdev))
	75	return 1;
	76
cc9c82a8	77	port_state = mlx5_query_vport_state(priv->mdev, MLX5_VPORT_STATE_OP_MOD_VNIC_VPORT, 0);
d605d668 KH	78	return port_state == VPORT_STATE_UP ? 0 : 1;
	79	}
	80
	81	static int mlx5e_test_link_speed(struct mlx5e_priv *priv)
	82	{
	83	u32 out[MLX5_ST_SZ_DW(ptys_reg)];
	84	u32 eth_proto_oper;
	85	int i;
	86
	87	if (!netif_carrier_ok(priv->netdev))
	88	return 1;
	89
	90	if (mlx5_query_port_ptys(priv->mdev, out, sizeof(out), MLX5_PTYS_EN, 1))
	91	return 1;
	92
	93	eth_proto_oper = MLX5_GET(ptys_reg, out, eth_proto_oper);
	94	for (i = 0; i < MLX5E_LINK_MODES_NUMBER; i++) {
	95	if (eth_proto_oper & MLX5E_PROT_MASK(i))
	96	return 0;
	97	}
	98	return 1;
	99	}
	100
0952da79 SM	101	struct mlx5ehdr {
	102	__be32 version;
	103	__be64 magic;
0952da79 SM	104	};
0952da79 SM	105
228c4cd0 VF	106	#ifdef CONFIG_INET
	107	/* loopback test */
	108	#define MLX5E_TEST_PKT_SIZE (sizeof(struct ethhdr) + sizeof(struct iphdr) +\
	109	sizeof(struct udphdr) + sizeof(struct mlx5ehdr))
	110	#define MLX5E_TEST_MAGIC 0x5AEED15C001ULL
	111
0952da79 SM	112	static struct sk_buff mlx5e_test_get_udp_skb(struct mlx5e_priv priv)
	113	{
	114	struct sk_buff *skb = NULL;
	115	struct mlx5ehdr *mlxh;
	116	struct ethhdr *ethh;
	117	struct udphdr *udph;
	118	struct iphdr *iph;
228c4cd0	119	int iplen;
0952da79 SM	120
	121	skb = netdev_alloc_skb(priv->netdev, MLX5E_TEST_PKT_SIZE);
	122	if (!skb) {
	123	netdev_err(priv->netdev, "\tFailed to alloc loopback skb\n");
	124	return NULL;
	125	}
	126
	127	prefetchw(skb->data);
	128	skb_reserve(skb, NET_IP_ALIGN);
	129
	130	/* Reserve for ethernet and IP header */
d58ff351	131	ethh = skb_push(skb, ETH_HLEN);
0952da79 SM	132	skb_reset_mac_header(skb);
	133
	134	skb_set_network_header(skb, skb->len);
4df864c1	135	iph = skb_put(skb, sizeof(struct iphdr));
0952da79 SM	136
0952da79 SM	137	skb_set_transport_header(skb, skb->len);
4df864c1	138	udph = skb_put(skb, sizeof(struct udphdr));
0952da79 SM	139
	140	/* Fill ETH header */
	141	ether_addr_copy(ethh->h_dest, priv->netdev->dev_addr);
	142	eth_zero_addr(ethh->h_source);
	143	ethh->h_proto = htons(ETH_P_IP);
	144
	145	/* Fill UDP header */
	146	udph->source = htons(9);
	147	udph->dest = htons(9); /* Discard Protocol */
228c4cd0	148	udph->len = htons(sizeof(struct mlx5ehdr) + sizeof(struct udphdr));
0952da79 SM	149	udph->check = 0;
	150
	151	/* Fill IP header */
	152	iph->ihl = 5;
	153	iph->ttl = 32;
	154	iph->version = 4;
	155	iph->protocol = IPPROTO_UDP;
228c4cd0 VF	156	iplen = sizeof(struct iphdr) + sizeof(struct udphdr) +
228c4cd0 VF	157	sizeof(struct mlx5ehdr);
0952da79 SM	158	iph->tot_len = htons(iplen);
	159	iph->frag_off = 0;
	160	iph->saddr = 0;
	161	iph->daddr = 0;
	162	iph->tos = 0;
	163	iph->id = 0;
	164	ip_send_check(iph);
	165
	166	/* Fill test header and data */
4df864c1	167	mlxh = skb_put(skb, sizeof(*mlxh));
0952da79 SM	168	mlxh->version = 0;
0952da79 SM	169	mlxh->magic = cpu_to_be64(MLX5E_TEST_MAGIC);
0952da79 SM	170
	171	skb->csum = 0;
	172	skb->ip_summed = CHECKSUM_PARTIAL;
	173	udp4_hwcsum(skb, iph->saddr, iph->daddr);
	174
	175	skb->protocol = htons(ETH_P_IP);
	176	skb->pkt_type = PACKET_HOST;
	177	skb->dev = priv->netdev;
	178
	179	return skb;
	180	}
	181
	182	struct mlx5e_lbt_priv {
	183	struct packet_type pt;
	184	struct completion comp;
	185	bool loopback_ok;
2c43c5a0	186	bool local_lb;
0952da79 SM	187	};
	188
	189	static int
	190	mlx5e_test_loopback_validate(struct sk_buff *skb,
	191	struct net_device *ndev,
	192	struct packet_type *pt,
	193	struct net_device *orig_ndev)
	194	{
	195	struct mlx5e_lbt_priv *lbtp = pt->af_packet_priv;
	196	struct mlx5ehdr *mlxh;
	197	struct ethhdr *ethh;
	198	struct udphdr *udph;
	199	struct iphdr *iph;
	200
	201	/* We are only going to peek, no need to clone the SKB */
0952da79 SM	202	if (MLX5E_TEST_PKT_SIZE - ETH_HLEN > skb_headlen(skb))
	203	goto out;
	204
	205	ethh = (struct ethhdr *)skb_mac_header(skb);
	206	if (!ether_addr_equal(ethh->h_dest, orig_ndev->dev_addr))
	207	goto out;
	208
	209	iph = ip_hdr(skb);
	210	if (iph->protocol != IPPROTO_UDP)
	211	goto out;
	212
ef7a3518 IK	213	/* Don't assume skb_transport_header() was set */
ef7a3518 IK	214	udph = (struct udphdr )((u8 )iph + 4 * iph->ihl);
0952da79 SM	215	if (udph->dest != htons(9))
	216	goto out;
	217
	218	mlxh = (struct mlx5ehdr )((char )udph + sizeof(*udph));
	219	if (mlxh->magic != cpu_to_be64(MLX5E_TEST_MAGIC))
	220	goto out; /* so close ! */
	221
	222	/* bingo */
	223	lbtp->loopback_ok = true;
	224	complete(&lbtp->comp);
	225	out:
	226	kfree_skb(skb);
	227	return 0;
	228	}
	229
	230	static int mlx5e_test_loopback_setup(struct mlx5e_priv *priv,
	231	struct mlx5e_lbt_priv *lbtp)
	232	{
	233	int err = 0;
	234
2c43c5a0	235	/* Temporarily enable local_lb */
8978cc92 EBE	236	err = mlx5_nic_vport_query_local_lb(priv->mdev, &lbtp->local_lb);
	237	if (err)
	238	return err;
	239
	240	if (!lbtp->local_lb) {
	241	err = mlx5_nic_vport_update_local_lb(priv->mdev, true);
	242	if (err)
	243	return err;
2c43c5a0 HN	244	}
2c43c5a0 HN	245
b676f653 SM	246	err = mlx5e_refresh_tirs(priv, true);
b676f653 SM	247	if (err)
8978cc92	248	goto out;
0952da79 SM	249
	250	lbtp->loopback_ok = false;
	251	init_completion(&lbtp->comp);
	252
ea29bd30	253	lbtp->pt.type = htons(ETH_P_IP);
0952da79 SM	254	lbtp->pt.func = mlx5e_test_loopback_validate;
	255	lbtp->pt.dev = priv->netdev;
	256	lbtp->pt.af_packet_priv = lbtp;
	257	dev_add_pack(&lbtp->pt);
8978cc92 EBE	258
	259	return 0;
	260
	261	out:
	262	if (!lbtp->local_lb)
	263	mlx5_nic_vport_update_local_lb(priv->mdev, false);
	264
0952da79 SM	265	return err;
	266	}
	267
	268	static void mlx5e_test_loopback_cleanup(struct mlx5e_priv *priv,
	269	struct mlx5e_lbt_priv *lbtp)
	270	{
8978cc92 EBE	271	if (!lbtp->local_lb)
8978cc92 EBE	272	mlx5_nic_vport_update_local_lb(priv->mdev, false);
2c43c5a0	273
0952da79	274	dev_remove_pack(&lbtp->pt);
b676f653	275	mlx5e_refresh_tirs(priv, false);
0952da79 SM	276	}
	277
	278	#define MLX5E_LB_VERIFY_TIMEOUT (msecs_to_jiffies(200))
	279	static int mlx5e_test_loopback(struct mlx5e_priv *priv)
	280	{
	281	struct mlx5e_lbt_priv *lbtp;
	282	struct sk_buff *skb = NULL;
	283	int err;
	284
	285	if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
	286	netdev_err(priv->netdev,
4e11581c	287	"\tCan't perform loopback test while device is down\n");
0952da79 SM	288	return -ENODEV;
	289	}
	290
	291	lbtp = kzalloc(sizeof(*lbtp), GFP_KERNEL);
	292	if (!lbtp)
	293	return -ENOMEM;
	294	lbtp->loopback_ok = false;
	295
	296	err = mlx5e_test_loopback_setup(priv, lbtp);
	297	if (err)
	298	goto out;
	299
	300	skb = mlx5e_test_get_udp_skb(priv);
	301	if (!skb) {
	302	err = -ENOMEM;
	303	goto cleanup;
	304	}
	305
	306	skb_set_queue_mapping(skb, 0);
	307	err = dev_queue_xmit(skb);
	308	if (err) {
	309	netdev_err(priv->netdev,
	310	"\tFailed to xmit loopback packet err(%d)\n",
	311	err);
	312	goto cleanup;
	313	}
	314
	315	wait_for_completion_timeout(&lbtp->comp, MLX5E_LB_VERIFY_TIMEOUT);
	316	err = !lbtp->loopback_ok;
	317
	318	cleanup:
	319	mlx5e_test_loopback_cleanup(priv, lbtp);
	320	out:
	321	kfree(lbtp);
	322	return err;
	323	}
d709b2a1	324	#endif
0952da79	325
d605d668 KH	326	static int (mlx5e_st_func[MLX5E_ST_NUM])(struct mlx5e_priv ) = {
	327	mlx5e_test_link_state,
	328	mlx5e_test_link_speed,
	329	mlx5e_test_health_info,
d709b2a1 AB	330	#ifdef CONFIG_INET
	331	mlx5e_test_loopback,
	332	#endif
d605d668 KH	333	};
	334
	335	void mlx5e_self_test(struct net_device ndev, struct ethtool_test etest,
	336	u64 *buf)
	337	{
	338	struct mlx5e_priv *priv = netdev_priv(ndev);
	339	int i;
	340
	341	memset(buf, 0, sizeof(u64) * MLX5E_ST_NUM);
	342
	343	mutex_lock(&priv->state_lock);
	344	netdev_info(ndev, "Self test begin..\n");
	345
	346	for (i = 0; i < MLX5E_ST_NUM; i++) {
	347	netdev_info(ndev, "\t[%d] %s start..\n",
	348	i, mlx5e_self_tests[i]);
	349	buf[i] = mlx5e_st_func[i](priv);
	350	netdev_info(ndev, "\t[%d] %s end: result(%lld)\n",
	351	i, mlx5e_self_tests[i], buf[i]);
	352	}
	353
	354	mutex_unlock(&priv->state_lock);
	355
	356	for (i = 0; i < MLX5E_ST_NUM; i++) {
	357	if (buf[i]) {
	358	etest->flags \|= ETH_TEST_FL_FAILED;
	359	break;
	360	}
	361	}
	362	netdev_info(ndev, "Self test out: status flags(0x%x)\n",
	363	etest->flags);
	364	}