[linux-2.6-block.git] / drivers / scsi / qedf / qedf_fip.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  QLogic FCoE Offload Driver
 *  Copyright (c) 2016-2018 Cavium Inc.
 */
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
#include "qedf.h"

extern const struct qed_fcoe_ops *qed_ops;
/*
 * FIP VLAN functions that will eventually move to libfcoe.
 */

void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf)
{
	struct sk_buff *skb;
	char *eth_fr;
	struct fip_vlan *vlan;
#define MY_FIP_ALL_FCF_MACS        ((__u8[6]) { 1, 0x10, 0x18, 1, 0, 2 })
	static u8 my_fcoe_all_fcfs[ETH_ALEN] = MY_FIP_ALL_FCF_MACS;
	unsigned long flags = 0;
	int rc = -1;

	skb = dev_alloc_skb(sizeof(struct fip_vlan));
	if (!skb)
		return;

	eth_fr = (char *)skb->data;
	vlan = (struct fip_vlan *)eth_fr;

	memset(vlan, 0, sizeof(*vlan));
	ether_addr_copy(vlan->eth.h_source, qedf->mac);
	ether_addr_copy(vlan->eth.h_dest, my_fcoe_all_fcfs);
	vlan->eth.h_proto = htons(ETH_P_FIP);

	vlan->fip.fip_ver = FIP_VER_ENCAPS(FIP_VER);
	vlan->fip.fip_op = htons(FIP_OP_VLAN);
	vlan->fip.fip_subcode = FIP_SC_VL_REQ;
	vlan->fip.fip_dl_len = htons(sizeof(vlan->desc) / FIP_BPW);

	vlan->desc.mac.fd_desc.fip_dtype = FIP_DT_MAC;
	vlan->desc.mac.fd_desc.fip_dlen = sizeof(vlan->desc.mac) / FIP_BPW;
	ether_addr_copy(vlan->desc.mac.fd_mac, qedf->mac);

	vlan->desc.wwnn.fd_desc.fip_dtype = FIP_DT_NAME;
	vlan->desc.wwnn.fd_desc.fip_dlen = sizeof(vlan->desc.wwnn) / FIP_BPW;
	put_unaligned_be64(qedf->lport->wwnn, &vlan->desc.wwnn.fd_wwn);

	skb_put(skb, sizeof(*vlan));
	skb->protocol = htons(ETH_P_FIP);
	skb_reset_mac_header(skb);
	skb_reset_network_header(skb);

	QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Sending FIP VLAN "
		   "request.");

	if (atomic_read(&qedf->link_state) != QEDF_LINK_UP) {
		QEDF_WARN(&(qedf->dbg_ctx), "Cannot send vlan request "
		    "because link is not up.\n");

		kfree_skb(skb);
		return;
	}

	set_bit(QED_LL2_XMIT_FLAGS_FIP_DISCOVERY, &flags);
	rc = qed_ops->ll2->start_xmit(qedf->cdev, skb, flags);
	if (rc) {
		QEDF_ERR(&qedf->dbg_ctx, "start_xmit failed rc = %d.\n", rc);
		kfree_skb(skb);
		return;
	}

}

static void qedf_fcoe_process_vlan_resp(struct qedf_ctx *qedf,
	struct sk_buff *skb)
{
	struct fip_header *fiph;
	struct fip_desc *desc;
	u16 vid = 0;
	ssize_t rlen;
	size_t dlen;

	fiph = (struct fip_header *)(((void *)skb->data) + 2 * ETH_ALEN + 2);

	rlen = ntohs(fiph->fip_dl_len) * 4;
	desc = (struct fip_desc *)(fiph + 1);
	while (rlen > 0) {
		dlen = desc->fip_dlen * FIP_BPW;
		switch (desc->fip_dtype) {
		case FIP_DT_VLAN:
			vid = ntohs(((struct fip_vlan_desc *)desc)->fd_vlan);
			break;
		}
		desc = (struct fip_desc *)((char *)desc + dlen);
		rlen -= dlen;
	}

	if (atomic_read(&qedf->link_state) == QEDF_LINK_DOWN) {
		QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
			  "Dropping VLAN response as link is down.\n");
		return;
	}

	QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "VLAN response, "
		   "vid=0x%x.\n", vid);

	if (vid > 0 && qedf->vlan_id != vid) {
		qedf_set_vlan_id(qedf, vid);

		/* Inform waiter that it's ok to call fcoe_ctlr_link up() */
		if (!completion_done(&qedf->fipvlan_compl))
			complete(&qedf->fipvlan_compl);
	}
}

void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb)
{
	struct qedf_ctx *qedf = container_of(fip, struct qedf_ctx, ctlr);
	struct ethhdr *eth_hdr;
	struct fip_header *fiph;
	u16 op, vlan_tci = 0;
	u8 sub;
	int rc = -1;

	if (!test_bit(QEDF_LL2_STARTED, &qedf->flags)) {
		QEDF_WARN(&(qedf->dbg_ctx), "LL2 not started\n");
		kfree_skb(skb);
		return;
	}

	fiph = (struct fip_header *) ((void *)skb->data + 2 * ETH_ALEN + 2);
	eth_hdr = (struct ethhdr *)skb_mac_header(skb);
	op = ntohs(fiph->fip_op);
	sub = fiph->fip_subcode;

	/*
	 * Add VLAN tag to non-offload FIP frame based on current stored VLAN
	 * for FIP/FCoE traffic.
	 */
	__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), qedf->vlan_id);

	/* Get VLAN ID from skb for printing purposes */
	__vlan_hwaccel_get_tag(skb, &vlan_tci);

	QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2, "FIP frame send: "
	    "dest=%pM op=%x sub=%x vlan=%04x.", eth_hdr->h_dest, op, sub,
	    vlan_tci);
	if (qedf_dump_frames)
		print_hex_dump(KERN_WARNING, "fip ", DUMP_PREFIX_OFFSET, 16, 1,
		    skb->data, skb->len, false);

	rc = qed_ops->ll2->start_xmit(qedf->cdev, skb, 0);
	if (rc) {
		QEDF_ERR(&qedf->dbg_ctx, "start_xmit failed rc = %d.\n", rc);
		kfree_skb(skb);
		return;
	}
}

static u8 fcoe_all_enode[ETH_ALEN] = FIP_ALL_ENODE_MACS;

/* Process incoming FIP frames. */
void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb)
{
	struct ethhdr *eth_hdr;
	struct fip_header *fiph;
	struct fip_desc *desc;
	struct fip_mac_desc *mp;
	struct fip_wwn_desc *wp;
	struct fip_vn_desc *vp;
	size_t rlen, dlen;
	u16 op;
	u8 sub;
	bool fcf_valid = false;
	/* Default is to handle CVL regardless of fabric id descriptor */
	bool fabric_id_valid = true;
	bool fc_wwpn_valid = false;
	u64 switch_name;
	u16 vlan = 0;

	eth_hdr = (struct ethhdr *)skb_mac_header(skb);
	fiph = (struct fip_header *) ((void *)skb->data + 2 * ETH_ALEN + 2);
	op = ntohs(fiph->fip_op);
	sub = fiph->fip_subcode;

	QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_LL2,
		  "FIP frame received: skb=%p fiph=%p source=%pM destn=%pM op=%x sub=%x vlan=%04x",
		  skb, fiph, eth_hdr->h_source, eth_hdr->h_dest, op,
		  sub, vlan);
	if (qedf_dump_frames)
		print_hex_dump(KERN_WARNING, "fip ", DUMP_PREFIX_OFFSET, 16, 1,
		    skb->data, skb->len, false);

	if (!ether_addr_equal(eth_hdr->h_dest, qedf->mac) &&
	    !ether_addr_equal(eth_hdr->h_dest, fcoe_all_enode) &&
		!ether_addr_equal(eth_hdr->h_dest, qedf->data_src_addr)) {
		QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_LL2,
			  "Dropping FIP type 0x%x pkt due to destination MAC mismatch dest_mac=%pM ctlr.dest_addr=%pM data_src_addr=%pM.\n",
			  op, eth_hdr->h_dest, qedf->mac,
			  qedf->data_src_addr);
		kfree_skb(skb);
		return;
	}

	/* Handle FIP VLAN resp in the driver */
	if (op == FIP_OP_VLAN && sub == FIP_SC_VL_NOTE) {
		qedf_fcoe_process_vlan_resp(qedf, skb);
		kfree_skb(skb);
	} else if (op == FIP_OP_CTRL && sub == FIP_SC_CLR_VLINK) {
		QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Clear virtual "
			   "link received.\n");

		/* Check that an FCF has been selected by fcoe */
		if (qedf->ctlr.sel_fcf == NULL) {
			QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
			    "Dropping CVL since FCF has not been selected "
			    "yet.");
			kfree_skb(skb);
			return;
		}

		/*
		 * We need to loop through the CVL descriptors to determine
		 * if we want to reset the fcoe link
		 */
		rlen = ntohs(fiph->fip_dl_len) * FIP_BPW;
		desc = (struct fip_desc *)(fiph + 1);
		while (rlen >= sizeof(*desc)) {
			dlen = desc->fip_dlen * FIP_BPW;
			switch (desc->fip_dtype) {
			case FIP_DT_MAC:
				mp = (struct fip_mac_desc *)desc;
				QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
					  "Switch fd_mac=%pM.\n", mp->fd_mac);
				if (ether_addr_equal(mp->fd_mac,
				    qedf->ctlr.sel_fcf->fcf_mac))
					fcf_valid = true;
				break;
			case FIP_DT_NAME:
				wp = (struct fip_wwn_desc *)desc;
				switch_name = get_unaligned_be64(&wp->fd_wwn);
				QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
					  "Switch fd_wwn=%016llx fcf_switch_name=%016llx.\n",
					  switch_name,
					  qedf->ctlr.sel_fcf->switch_name);
				if (switch_name ==
				    qedf->ctlr.sel_fcf->switch_name)
					fc_wwpn_valid = true;
				break;
			case FIP_DT_VN_ID:
				vp = (struct fip_vn_desc *)desc;
				QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
					  "vx_port fd_fc_id=%x fd_mac=%pM.\n",
					  ntoh24(vp->fd_fc_id), vp->fd_mac);
				/* Check vx_port fabric ID */
				if (ntoh24(vp->fd_fc_id) !=
				    qedf->lport->port_id)
					fabric_id_valid = false;
				/* Check vx_port MAC */
				if (!ether_addr_equal(vp->fd_mac,
						      qedf->data_src_addr))
					fabric_id_valid = false;
				break;
			default:
				/* Ignore anything else */
				break;
			}
			desc = (struct fip_desc *)((char *)desc + dlen);
			rlen -= dlen;
		}

		QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
			  "fcf_valid=%d fabric_id_valid=%d fc_wwpn_valid=%d.\n",
			  fcf_valid, fabric_id_valid, fc_wwpn_valid);
		if (fcf_valid && fabric_id_valid && fc_wwpn_valid)
			qedf_ctx_soft_reset(qedf->lport);
		kfree_skb(skb);
	} else {
		/* Everything else is handled by libfcoe */
		__skb_pull(skb, ETH_HLEN);
		fcoe_ctlr_recv(&qedf->ctlr, skb);
	}
}

u8 *qedf_get_src_mac(struct fc_lport *lport)
{
	struct qedf_ctx *qedf = lport_priv(lport);

	return qedf->data_src_addr;
}
Commit	Line	Data
3287e96a	1	// SPDX-License-Identifier: GPL-2.0-only
61d8658b DC	2	/*
61d8658b DC	3	* QLogic FCoE Offload Driver
5d1c8b5b	4	* Copyright (c) 2016-2018 Cavium Inc.
61d8658b DC	5	*/
	6	#include <linux/if_ether.h>
	7	#include <linux/if_vlan.h>
	8	#include "qedf.h"
	9
	10	extern const struct qed_fcoe_ops *qed_ops;
	11	/*
	12	* FIP VLAN functions that will eventually move to libfcoe.
	13	*/
	14
	15	void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf)
	16	{
	17	struct sk_buff *skb;
	18	char *eth_fr;
61d8658b DC	19	struct fip_vlan *vlan;
	20	#define MY_FIP_ALL_FCF_MACS ((__u8[6]) { 1, 0x10, 0x18, 1, 0, 2 })
	21	static u8 my_fcoe_all_fcfs[ETH_ALEN] = MY_FIP_ALL_FCF_MACS;
cac6f691	22	unsigned long flags = 0;
19c2b6d8	23	int rc = -1;
61d8658b DC	24
	25	skb = dev_alloc_skb(sizeof(struct fip_vlan));
	26	if (!skb)
	27	return;
	28
61d8658b DC	29	eth_fr = (char *)skb->data;
	30	vlan = (struct fip_vlan *)eth_fr;
	31
	32	memset(vlan, 0, sizeof(*vlan));
	33	ether_addr_copy(vlan->eth.h_source, qedf->mac);
	34	ether_addr_copy(vlan->eth.h_dest, my_fcoe_all_fcfs);
	35	vlan->eth.h_proto = htons(ETH_P_FIP);
	36
	37	vlan->fip.fip_ver = FIP_VER_ENCAPS(FIP_VER);
	38	vlan->fip.fip_op = htons(FIP_OP_VLAN);
	39	vlan->fip.fip_subcode = FIP_SC_VL_REQ;
	40	vlan->fip.fip_dl_len = htons(sizeof(vlan->desc) / FIP_BPW);
	41
	42	vlan->desc.mac.fd_desc.fip_dtype = FIP_DT_MAC;
	43	vlan->desc.mac.fd_desc.fip_dlen = sizeof(vlan->desc.mac) / FIP_BPW;
	44	ether_addr_copy(vlan->desc.mac.fd_mac, qedf->mac);
	45
	46	vlan->desc.wwnn.fd_desc.fip_dtype = FIP_DT_NAME;
	47	vlan->desc.wwnn.fd_desc.fip_dlen = sizeof(vlan->desc.wwnn) / FIP_BPW;
	48	put_unaligned_be64(qedf->lport->wwnn, &vlan->desc.wwnn.fd_wwn);
	49
	50	skb_put(skb, sizeof(*vlan));
	51	skb->protocol = htons(ETH_P_FIP);
	52	skb_reset_mac_header(skb);
	53	skb_reset_network_header(skb);
	54
	55	QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Sending FIP VLAN "
	56	"request.");
	57
	58	if (atomic_read(&qedf->link_state) != QEDF_LINK_UP) {
	59	QEDF_WARN(&(qedf->dbg_ctx), "Cannot send vlan request "
	60	"because link is not up.\n");
	61
	62	kfree_skb(skb);
	63	return;
	64	}
cac6f691 SRK	65
cac6f691 SRK	66	set_bit(QED_LL2_XMIT_FLAGS_FIP_DISCOVERY, &flags);
19c2b6d8 SK	67	rc = qed_ops->ll2->start_xmit(qedf->cdev, skb, flags);
	68	if (rc) {
	69	QEDF_ERR(&qedf->dbg_ctx, "start_xmit failed rc = %d.\n", rc);
	70	kfree_skb(skb);
	71	return;
	72	}
	73
61d8658b DC	74	}
	75
	76	static void qedf_fcoe_process_vlan_resp(struct qedf_ctx *qedf,
	77	struct sk_buff *skb)
	78	{
	79	struct fip_header *fiph;
	80	struct fip_desc *desc;
	81	u16 vid = 0;
	82	ssize_t rlen;
	83	size_t dlen;
	84
	85	fiph = (struct fip_header )(((void )skb->data) + 2 * ETH_ALEN + 2);
	86
	87	rlen = ntohs(fiph->fip_dl_len) * 4;
	88	desc = (struct fip_desc *)(fiph + 1);
	89	while (rlen > 0) {
	90	dlen = desc->fip_dlen * FIP_BPW;
	91	switch (desc->fip_dtype) {
	92	case FIP_DT_VLAN:
	93	vid = ntohs(((struct fip_vlan_desc *)desc)->fd_vlan);
	94	break;
	95	}
	96	desc = (struct fip_desc )((char )desc + dlen);
	97	rlen -= dlen;
	98	}
	99
76dbf4ff SK	100	if (atomic_read(&qedf->link_state) == QEDF_LINK_DOWN) {
	101	QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
	102	"Dropping VLAN response as link is down.\n");
	103	return;
	104	}
	105
61d8658b DC	106	QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "VLAN response, "
	107	"vid=0x%x.\n", vid);
	108
	109	if (vid > 0 && qedf->vlan_id != vid) {
	110	qedf_set_vlan_id(qedf, vid);
	111
	112	/* Inform waiter that it's ok to call fcoe_ctlr_link up() */
8eaf7dfc CD	113	if (!completion_done(&qedf->fipvlan_compl))
8eaf7dfc CD	114	complete(&qedf->fipvlan_compl);
61d8658b DC	115	}
	116	}
	117
	118	void qedf_fip_send(struct fcoe_ctlr fip, struct sk_buff skb)
	119	{
	120	struct qedf_ctx *qedf = container_of(fip, struct qedf_ctx, ctlr);
	121	struct ethhdr *eth_hdr;
61d8658b DC	122	struct fip_header *fiph;
	123	u16 op, vlan_tci = 0;
	124	u8 sub;
19c2b6d8	125	int rc = -1;
61d8658b DC	126
	127	if (!test_bit(QEDF_LL2_STARTED, &qedf->flags)) {
	128	QEDF_WARN(&(qedf->dbg_ctx), "LL2 not started\n");
	129	kfree_skb(skb);
	130	return;
	131	}
	132
	133	fiph = (struct fip_header ) ((void )skb->data + 2 * ETH_ALEN + 2);
	134	eth_hdr = (struct ethhdr *)skb_mac_header(skb);
	135	op = ntohs(fiph->fip_op);
	136	sub = fiph->fip_subcode;
	137
cf291163 CD	138	/*
	139	* Add VLAN tag to non-offload FIP frame based on current stored VLAN
	140	* for FIP/FCoE traffic.
	141	*/
	142	__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), qedf->vlan_id);
61d8658b	143
cf291163 CD	144	/* Get VLAN ID from skb for printing purposes */
cf291163 CD	145	__vlan_hwaccel_get_tag(skb, &vlan_tci);
61d8658b DC	146
	147	QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2, "FIP frame send: "
	148	"dest=%pM op=%x sub=%x vlan=%04x.", eth_hdr->h_dest, op, sub,
15a93de7	149	vlan_tci);
61d8658b DC	150	if (qedf_dump_frames)
	151	print_hex_dump(KERN_WARNING, "fip ", DUMP_PREFIX_OFFSET, 16, 1,
	152	skb->data, skb->len, false);
	153
19c2b6d8 SK	154	rc = qed_ops->ll2->start_xmit(qedf->cdev, skb, 0);
	155	if (rc) {
	156	QEDF_ERR(&qedf->dbg_ctx, "start_xmit failed rc = %d.\n", rc);
	157	kfree_skb(skb);
	158	return;
	159	}
61d8658b DC	160	}
61d8658b DC	161
fc37ddce CD	162	static u8 fcoe_all_enode[ETH_ALEN] = FIP_ALL_ENODE_MACS;
fc37ddce CD	163
61d8658b DC	164	/* Process incoming FIP frames. */
	165	void qedf_fip_recv(struct qedf_ctx qedf, struct sk_buff skb)
	166	{
	167	struct ethhdr *eth_hdr;
	168	struct fip_header *fiph;
	169	struct fip_desc *desc;
	170	struct fip_mac_desc *mp;
	171	struct fip_wwn_desc *wp;
	172	struct fip_vn_desc *vp;
	173	size_t rlen, dlen;
61d8658b DC	174	u16 op;
61d8658b DC	175	u8 sub;
fc37ddce CD	176	bool fcf_valid = false;
	177	/* Default is to handle CVL regardless of fabric id descriptor */
	178	bool fabric_id_valid = true;
	179	bool fc_wwpn_valid = false;
	180	u64 switch_name;
	181	u16 vlan = 0;
61d8658b DC	182
	183	eth_hdr = (struct ethhdr *)skb_mac_header(skb);
	184	fiph = (struct fip_header ) ((void )skb->data + 2 * ETH_ALEN + 2);
	185	op = ntohs(fiph->fip_op);
	186	sub = fiph->fip_subcode;
	187
fc37ddce CD	188	QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_LL2,
	189	"FIP frame received: skb=%p fiph=%p source=%pM destn=%pM op=%x sub=%x vlan=%04x",
	190	skb, fiph, eth_hdr->h_source, eth_hdr->h_dest, op,
	191	sub, vlan);
61d8658b DC	192	if (qedf_dump_frames)
	193	print_hex_dump(KERN_WARNING, "fip ", DUMP_PREFIX_OFFSET, 16, 1,
	194	skb->data, skb->len, false);
	195
fc37ddce CD	196	if (!ether_addr_equal(eth_hdr->h_dest, qedf->mac) &&
	197	!ether_addr_equal(eth_hdr->h_dest, fcoe_all_enode) &&
	198	!ether_addr_equal(eth_hdr->h_dest, qedf->data_src_addr)) {
	199	QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_LL2,
	200	"Dropping FIP type 0x%x pkt due to destination MAC mismatch dest_mac=%pM ctlr.dest_addr=%pM data_src_addr=%pM.\n",
	201	op, eth_hdr->h_dest, qedf->mac,
	202	qedf->data_src_addr);
	203	kfree_skb(skb);
	204	return;
	205	}
	206
61d8658b DC	207	/* Handle FIP VLAN resp in the driver */
	208	if (op == FIP_OP_VLAN && sub == FIP_SC_VL_NOTE) {
	209	qedf_fcoe_process_vlan_resp(qedf, skb);
61d8658b DC	210	kfree_skb(skb);
	211	} else if (op == FIP_OP_CTRL && sub == FIP_SC_CLR_VLINK) {
	212	QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Clear virtual "
	213	"link received.\n");
	214
	215	/* Check that an FCF has been selected by fcoe */
	216	if (qedf->ctlr.sel_fcf == NULL) {
	217	QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC,
	218	"Dropping CVL since FCF has not been selected "
	219	"yet.");
f32803bb	220	kfree_skb(skb);
61d8658b DC	221	return;
	222	}
	223
61d8658b DC	224	/*
	225	* We need to loop through the CVL descriptors to determine
	226	* if we want to reset the fcoe link
	227	*/
	228	rlen = ntohs(fiph->fip_dl_len) * FIP_BPW;
	229	desc = (struct fip_desc *)(fiph + 1);
	230	while (rlen >= sizeof(*desc)) {
	231	dlen = desc->fip_dlen * FIP_BPW;
	232	switch (desc->fip_dtype) {
	233	case FIP_DT_MAC:
	234	mp = (struct fip_mac_desc *)desc;
fc37ddce CD	235	QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
fc37ddce CD	236	"Switch fd_mac=%pM.\n", mp->fd_mac);
53c51adb CD	237	if (ether_addr_equal(mp->fd_mac,
53c51adb CD	238	qedf->ctlr.sel_fcf->fcf_mac))
fc37ddce	239	fcf_valid = true;
61d8658b DC	240	break;
	241	case FIP_DT_NAME:
	242	wp = (struct fip_wwn_desc *)desc;
fc37ddce CD	243	switch_name = get_unaligned_be64(&wp->fd_wwn);
	244	QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
	245	"Switch fd_wwn=%016llx fcf_switch_name=%016llx.\n",
	246	switch_name,
	247	qedf->ctlr.sel_fcf->switch_name);
	248	if (switch_name ==
	249	qedf->ctlr.sel_fcf->switch_name)
	250	fc_wwpn_valid = true;
61d8658b DC	251	break;
	252	case FIP_DT_VN_ID:
	253	vp = (struct fip_vn_desc *)desc;
fc37ddce CD	254	QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
	255	"vx_port fd_fc_id=%x fd_mac=%pM.\n",
	256	ntoh24(vp->fd_fc_id), vp->fd_mac);
	257	/* Check vx_port fabric ID */
	258	if (ntoh24(vp->fd_fc_id) !=
53c51adb	259	qedf->lport->port_id)
fc37ddce CD	260	fabric_id_valid = false;
	261	/* Check vx_port MAC */
	262	if (!ether_addr_equal(vp->fd_mac,
	263	qedf->data_src_addr))
	264	fabric_id_valid = false;
61d8658b DC	265	break;
	266	default:
	267	/* Ignore anything else */
	268	break;
	269	}
	270	desc = (struct fip_desc )((char )desc + dlen);
	271	rlen -= dlen;
	272	}
	273
fc37ddce CD	274	QEDF_INFO(&qedf->dbg_ctx, QEDF_LOG_DISC,
	275	"fcf_valid=%d fabric_id_valid=%d fc_wwpn_valid=%d.\n",
	276	fcf_valid, fabric_id_valid, fc_wwpn_valid);
	277	if (fcf_valid && fabric_id_valid && fc_wwpn_valid)
a66c6cd2	278	qedf_ctx_soft_reset(qedf->lport);
61d8658b DC	279	kfree_skb(skb);
	280	} else {
	281	/* Everything else is handled by libfcoe */
	282	__skb_pull(skb, ETH_HLEN);
	283	fcoe_ctlr_recv(&qedf->ctlr, skb);
	284	}
	285	}
	286
61d8658b DC	287	u8 qedf_get_src_mac(struct fc_lport lport)
61d8658b DC	288	{
61d8658b DC	289	struct qedf_ctx *qedf = lport_priv(lport);
61d8658b DC	290
61d8658b DC	291	return qedf->data_src_addr;
61d8658b DC	292	}