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path: root/drivers/scsi/fcoe/fcoe_ctlr.c
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Diffstat (limited to 'drivers/scsi/fcoe/fcoe_ctlr.c')
-rw-r--r--drivers/scsi/fcoe/fcoe_ctlr.c51
1 files changed, 20 insertions, 31 deletions
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index bd61bf4e2da2..d95ba1a07ba3 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -2017,7 +2017,7 @@ EXPORT_SYMBOL_GPL(fcoe_wwn_from_mac);
*/
static inline struct fcoe_rport *fcoe_ctlr_rport(struct fc_rport_priv *rdata)
{
- return (struct fcoe_rport *)(rdata + 1);
+ return container_of(rdata, struct fcoe_rport, rdata);
}
/**
@@ -2283,7 +2283,7 @@ static void fcoe_ctlr_vn_start(struct fcoe_ctlr *fip)
*/
static int fcoe_ctlr_vn_parse(struct fcoe_ctlr *fip,
struct sk_buff *skb,
- struct fc_rport_priv *rdata)
+ struct fcoe_rport *frport)
{
struct fip_header *fiph;
struct fip_desc *desc = NULL;
@@ -2291,16 +2291,12 @@ static int fcoe_ctlr_vn_parse(struct fcoe_ctlr *fip,
struct fip_wwn_desc *wwn = NULL;
struct fip_vn_desc *vn = NULL;
struct fip_size_desc *size = NULL;
- struct fcoe_rport *frport;
size_t rlen;
size_t dlen;
u32 desc_mask = 0;
u32 dtype;
u8 sub;
- memset(rdata, 0, sizeof(*rdata) + sizeof(*frport));
- frport = fcoe_ctlr_rport(rdata);
-
fiph = (struct fip_header *)skb->data;
frport->flags = ntohs(fiph->fip_flags);
@@ -2363,15 +2359,17 @@ static int fcoe_ctlr_vn_parse(struct fcoe_ctlr *fip,
if (dlen != sizeof(struct fip_wwn_desc))
goto len_err;
wwn = (struct fip_wwn_desc *)desc;
- rdata->ids.node_name = get_unaligned_be64(&wwn->fd_wwn);
+ frport->rdata.ids.node_name =
+ get_unaligned_be64(&wwn->fd_wwn);
break;
case FIP_DT_VN_ID:
if (dlen != sizeof(struct fip_vn_desc))
goto len_err;
vn = (struct fip_vn_desc *)desc;
memcpy(frport->vn_mac, vn->fd_mac, ETH_ALEN);
- rdata->ids.port_id = ntoh24(vn->fd_fc_id);
- rdata->ids.port_name = get_unaligned_be64(&vn->fd_wwpn);
+ frport->rdata.ids.port_id = ntoh24(vn->fd_fc_id);
+ frport->rdata.ids.port_name =
+ get_unaligned_be64(&vn->fd_wwpn);
break;
case FIP_DT_FC4F:
if (dlen != sizeof(struct fip_fc4_feat))
@@ -2752,10 +2750,7 @@ static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *fip, struct sk_buff *skb)
{
struct fip_header *fiph;
enum fip_vn2vn_subcode sub;
- struct {
- struct fc_rport_priv rdata;
- struct fcoe_rport frport;
- } buf;
+ struct fcoe_rport frport = { };
int rc, vlan_id = 0;
fiph = (struct fip_header *)skb->data;
@@ -2771,7 +2766,7 @@ static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *fip, struct sk_buff *skb)
goto drop;
}
- rc = fcoe_ctlr_vn_parse(fip, skb, &buf.rdata);
+ rc = fcoe_ctlr_vn_parse(fip, skb, &frport);
if (rc) {
LIBFCOE_FIP_DBG(fip, "vn_recv vn_parse error %d\n", rc);
goto drop;
@@ -2780,19 +2775,19 @@ static int fcoe_ctlr_vn_recv(struct fcoe_ctlr *fip, struct sk_buff *skb)
mutex_lock(&fip->ctlr_mutex);
switch (sub) {
case FIP_SC_VN_PROBE_REQ:
- fcoe_ctlr_vn_probe_req(fip, &buf.rdata);
+ fcoe_ctlr_vn_probe_req(fip, &frport.rdata);
break;
case FIP_SC_VN_PROBE_REP:
- fcoe_ctlr_vn_probe_reply(fip, &buf.rdata);
+ fcoe_ctlr_vn_probe_reply(fip, &frport.rdata);
break;
case FIP_SC_VN_CLAIM_NOTIFY:
- fcoe_ctlr_vn_claim_notify(fip, &buf.rdata);
+ fcoe_ctlr_vn_claim_notify(fip, &frport.rdata);
break;
case FIP_SC_VN_CLAIM_REP:
- fcoe_ctlr_vn_claim_resp(fip, &buf.rdata);
+ fcoe_ctlr_vn_claim_resp(fip, &frport.rdata);
break;
case FIP_SC_VN_BEACON:
- fcoe_ctlr_vn_beacon(fip, &buf.rdata);
+ fcoe_ctlr_vn_beacon(fip, &frport.rdata);
break;
default:
LIBFCOE_FIP_DBG(fip, "vn_recv unknown subcode %d\n", sub);
@@ -2816,22 +2811,18 @@ drop:
*/
static int fcoe_ctlr_vlan_parse(struct fcoe_ctlr *fip,
struct sk_buff *skb,
- struct fc_rport_priv *rdata)
+ struct fcoe_rport *frport)
{
struct fip_header *fiph;
struct fip_desc *desc = NULL;
struct fip_mac_desc *macd = NULL;
struct fip_wwn_desc *wwn = NULL;
- struct fcoe_rport *frport;
size_t rlen;
size_t dlen;
u32 desc_mask = 0;
u32 dtype;
u8 sub;
- memset(rdata, 0, sizeof(*rdata) + sizeof(*frport));
- frport = fcoe_ctlr_rport(rdata);
-
fiph = (struct fip_header *)skb->data;
frport->flags = ntohs(fiph->fip_flags);
@@ -2885,7 +2876,8 @@ static int fcoe_ctlr_vlan_parse(struct fcoe_ctlr *fip,
if (dlen != sizeof(struct fip_wwn_desc))
goto len_err;
wwn = (struct fip_wwn_desc *)desc;
- rdata->ids.node_name = get_unaligned_be64(&wwn->fd_wwn);
+ frport->rdata.ids.node_name =
+ get_unaligned_be64(&wwn->fd_wwn);
break;
default:
LIBFCOE_FIP_DBG(fip, "unexpected descriptor type %x "
@@ -2996,22 +2988,19 @@ static int fcoe_ctlr_vlan_recv(struct fcoe_ctlr *fip, struct sk_buff *skb)
{
struct fip_header *fiph;
enum fip_vlan_subcode sub;
- struct {
- struct fc_rport_priv rdata;
- struct fcoe_rport frport;
- } buf;
+ struct fcoe_rport frport = { };
int rc;
fiph = (struct fip_header *)skb->data;
sub = fiph->fip_subcode;
- rc = fcoe_ctlr_vlan_parse(fip, skb, &buf.rdata);
+ rc = fcoe_ctlr_vlan_parse(fip, skb, &frport);
if (rc) {
LIBFCOE_FIP_DBG(fip, "vlan_recv vlan_parse error %d\n", rc);
goto drop;
}
mutex_lock(&fip->ctlr_mutex);
if (sub == FIP_SC_VL_REQ)
- fcoe_ctlr_vlan_disc_reply(fip, &buf.rdata);
+ fcoe_ctlr_vlan_disc_reply(fip, &frport.rdata);
mutex_unlock(&fip->ctlr_mutex);
drop:
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-19 08:46:15 +0000