summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2017-07-06 21:10:33 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-06 21:10:33 +0200
commit90311148415ab23f5767fbb577a012d4405f12e5 (patch)
treeb66d2fe65409b949bb559d628bcf72c443ef1264 /drivers/scsi/bnx2fc/bnx2fc_fcoe.c
parentMerge tag 'for-4.13/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/... (diff)
parentqla2xxx: Fix NVMe entry_type for iocb packet on BE system (diff)
downloadlinux-90311148415ab23f5767fbb577a012d4405f12e5.tar.xz
linux-90311148415ab23f5767fbb577a012d4405f12e5.zip
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley: "This is mostly updates of the usual suspects: lpfc, qla2xxx, bnx2fc, qedf, hpsa, hisi_sas, smartpqi, cxlflash, aacraid, csiostor along with a host of minor and miscellaneous changes" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (276 commits) qla2xxx: Fix NVMe entry_type for iocb packet on BE system scsi: qla2xxx: avoid unused-function warning scsi: snic: fix a couple of spelling mistakes/typos scsi: qla2xxx: fix a bunch of typos and spelling mistakes scsi: lpfc: don't double count abort errors scsi: lpfc: spin_lock_irq() is not nestable scsi: hisi_sas: optimise DMA slot memory scsi: ibmvfc: constify dev_pm_ops structures. scsi: ibmvscsi: constify dev_pm_ops structures. scsi: cxlflash: Update debug prints in reset handlers scsi: cxlflash: Update send_tmf() parameters scsi: cxlflash: Avoid double free of character device scsi: Add STARGET_CREATED_REMOVE state to scsi_target_state scsi: ses: do not add a device to an enclosure if enclosure_add_links() fails. scsi: ufs: flush eh_work when eh_work scheduled. scsi: qla2xxx: Protect access to qpair members with qpair->qp_lock scsi: sun_esp: fix device reference leaks scsi: fnic: changing queue command to return result DID_IMM_RETRY when rport is init scsi: fnic: correct speed display and add support for 25,40 and 100G scsi: fnic: added timestamp reporting in fnic debug stats ...
Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_fcoe.c')
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_fcoe.c62
1 files changed, 58 insertions, 4 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index b025ee5da1ba..7dfe709a7138 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -4,7 +4,8 @@
* FIP/FCoE packets, listen to link events etc.
*
* Copyright (c) 2008-2013 Broadcom Corporation
- * Copyright (c) 2014-2015 QLogic Corporation
+ * Copyright (c) 2014-2016 QLogic Corporation
+ * Copyright (c) 2016-2017 Cavium Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -522,10 +523,12 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
struct fcoe_crc_eof crc_eof;
struct fc_frame *fp;
struct fc_lport *vn_port;
- struct fcoe_port *port;
+ struct fcoe_port *port, *phys_port;
u8 *mac = NULL;
u8 *dest_mac = NULL;
struct fcoe_hdr *hp;
+ struct bnx2fc_interface *interface;
+ struct fcoe_ctlr *ctlr;
fr = fcoe_dev_from_skb(skb);
lport = fr->fr_dev;
@@ -561,8 +564,19 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
return;
}
+ phys_port = lport_priv(lport);
+ interface = phys_port->priv;
+ ctlr = bnx2fc_to_ctlr(interface);
+
fh = fc_frame_header_get(fp);
+ if (ntoh24(&dest_mac[3]) != ntoh24(fh->fh_d_id)) {
+ BNX2FC_HBA_DBG(lport, "FC frame d_id mismatch with MAC %pM.\n",
+ dest_mac);
+ kfree_skb(skb);
+ return;
+ }
+
vn_port = fc_vport_id_lookup(lport, ntoh24(fh->fh_d_id));
if (vn_port) {
port = lport_priv(vn_port);
@@ -572,6 +586,14 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
return;
}
}
+ if (ctlr->state) {
+ if (!ether_addr_equal(mac, ctlr->dest_addr)) {
+ BNX2FC_HBA_DBG(lport, "Wrong source address: mac:%pM dest_addr:%pM.\n",
+ mac, ctlr->dest_addr);
+ kfree_skb(skb);
+ return;
+ }
+ }
if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA &&
fh->fh_type == FC_TYPE_FCP) {
/* Drop FCP data. We dont this in L2 path */
@@ -597,6 +619,18 @@ static void bnx2fc_recv_frame(struct sk_buff *skb)
return;
}
+ /*
+ * If the destination ID from the frame header does not match what we
+ * have on record for lport and the search for a NPIV port came up
+ * empty then this is not addressed to our port so simply drop it.
+ */
+ if (lport->port_id != ntoh24(fh->fh_d_id) && !vn_port) {
+ BNX2FC_HBA_DBG(lport, "Dropping frame due to destination mismatch: lport->port_id=%x fh->d_id=%x.\n",
+ lport->port_id, ntoh24(fh->fh_d_id));
+ kfree_skb(skb);
+ return;
+ }
+
stats = per_cpu_ptr(lport->stats, smp_processor_id());
stats->RxFrames++;
stats->RxWords += fr_len / FCOE_WORD_TO_BYTE;
@@ -2105,6 +2139,9 @@ static uint bnx2fc_npiv_create_vports(struct fc_lport *lport,
{
struct fc_vport_identifiers vpid;
uint i, created = 0;
+ u64 wwnn = 0;
+ char wwpn_str[32];
+ char wwnn_str[32];
if (npiv_tbl->count > MAX_NPIV_ENTRIES) {
BNX2FC_HBA_DBG(lport, "Exceeded count max of npiv table\n");
@@ -2123,11 +2160,23 @@ static uint bnx2fc_npiv_create_vports(struct fc_lport *lport,
vpid.disable = false;
for (i = 0; i < npiv_tbl->count; i++) {
- vpid.node_name = wwn_to_u64(npiv_tbl->wwnn[i]);
+ wwnn = wwn_to_u64(npiv_tbl->wwnn[i]);
+ if (wwnn == 0) {
+ /*
+ * If we get a 0 element from for the WWNN then assume
+ * the WWNN should be the same as the physical port.
+ */
+ wwnn = lport->wwnn;
+ }
+ vpid.node_name = wwnn;
vpid.port_name = wwn_to_u64(npiv_tbl->wwpn[i]);
scnprintf(vpid.symbolic_name, sizeof(vpid.symbolic_name),
"NPIV[%u]:%016llx-%016llx",
created, vpid.port_name, vpid.node_name);
+ fcoe_wwn_to_str(vpid.node_name, wwnn_str, sizeof(wwnn_str));
+ fcoe_wwn_to_str(vpid.port_name, wwpn_str, sizeof(wwpn_str));
+ BNX2FC_HBA_DBG(lport, "Creating vport %s:%s.\n", wwnn_str,
+ wwpn_str);
if (fc_vport_create(lport->host, 0, &vpid))
created++;
else
@@ -2524,6 +2573,11 @@ static void bnx2fc_ulp_exit(struct cnic_dev *dev)
bnx2fc_hba_destroy(hba);
}
+static void bnx2fc_rport_terminate_io(struct fc_rport *rport)
+{
+ /* This is a no-op */
+}
+
/**
* bnx2fc_fcoe_reset - Resets the fcoe
*
@@ -2860,7 +2914,7 @@ static struct fc_function_template bnx2fc_transport_function = {
.issue_fc_host_lip = bnx2fc_fcoe_reset,
- .terminate_rport_io = fc_rport_terminate_io,
+ .terminate_rport_io = bnx2fc_rport_terminate_io,
.vport_create = bnx2fc_vport_create,
.vport_delete = bnx2fc_vport_destroy,