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path: root/drivers/scsi/bfa/bfa_fcs.c
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Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs.c')
-rw-r--r--drivers/scsi/bfa/bfa_fcs.c335
1 files changed, 69 insertions, 266 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c
index 9cebbe30a678..c94502dfac66 100644
--- a/drivers/scsi/bfa/bfa_fcs.c
+++ b/drivers/scsi/bfa/bfa_fcs.c
@@ -15,7 +15,7 @@
* General Public License for more details.
*/
-/**
+/*
* bfa_fcs.c BFA FCS main
*/
@@ -25,7 +25,7 @@
BFA_TRC_FILE(FCS, FCS);
-/**
+/*
* FCS sub-modules
*/
struct bfa_fcs_mod_s {
@@ -43,7 +43,7 @@ static struct bfa_fcs_mod_s fcs_modules[] = {
bfa_fcs_fabric_modexit },
};
-/**
+/*
* fcs_api BFA FCS API
*/
@@ -58,11 +58,11 @@ bfa_fcs_exit_comp(void *fcs_cbarg)
-/**
+/*
* fcs_api BFA FCS API
*/
-/**
+/*
* fcs attach -- called once to initialize data structures at driver attach time
*/
void
@@ -86,7 +86,7 @@ bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
}
}
-/**
+/*
* fcs initialization, called once after bfa initialization is complete
*/
void
@@ -110,7 +110,7 @@ bfa_fcs_init(struct bfa_fcs_s *fcs)
}
}
-/**
+/*
* Start FCS operations.
*/
void
@@ -119,7 +119,7 @@ bfa_fcs_start(struct bfa_fcs_s *fcs)
bfa_fcs_fabric_modstart(fcs);
}
-/**
+/*
* brief
* FCS driver details initialization.
*
@@ -138,7 +138,7 @@ bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
bfa_fcs_fabric_psymb_init(&fcs->fabric);
}
-/**
+/*
* brief
* FCS FDMI Driver Parameter Initialization
*
@@ -154,7 +154,7 @@ bfa_fcs_set_fdmi_param(struct bfa_fcs_s *fcs, bfa_boolean_t fdmi_enable)
fcs->fdmi_enabled = fdmi_enable;
}
-/**
+/*
* brief
* FCS instance cleanup and exit.
*
@@ -196,7 +196,7 @@ bfa_fcs_modexit_comp(struct bfa_fcs_s *fcs)
bfa_wc_down(&fcs->wc);
}
-/**
+/*
* Fabric module implementation.
*/
@@ -232,11 +232,11 @@ static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg,
u32 rsp_len,
u32 resid_len,
struct fchs_s *rspfchs);
-/**
+/*
* fcs_fabric_sm fabric state machine functions
*/
-/**
+/*
* Fabric state machine events
*/
enum bfa_fcs_fabric_event {
@@ -286,7 +286,7 @@ static void bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric,
enum bfa_fcs_fabric_event event);
static void bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric,
enum bfa_fcs_fabric_event event);
-/**
+/*
* Beginning state before fabric creation.
*/
static void
@@ -312,7 +312,7 @@ bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric,
}
}
-/**
+/*
* Beginning state before fabric creation.
*/
static void
@@ -345,7 +345,7 @@ bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric,
}
}
-/**
+/*
* Link is down, awaiting LINK UP event from port. This is also the
* first state at fabric creation.
*/
@@ -375,7 +375,7 @@ bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric,
}
}
-/**
+/*
* FLOGI is in progress, awaiting FLOGI reply.
*/
static void
@@ -468,7 +468,7 @@ bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric,
}
}
-/**
+/*
* Authentication is in progress, awaiting authentication results.
*/
static void
@@ -508,7 +508,7 @@ bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric,
}
}
-/**
+/*
* Authentication failed
*/
static void
@@ -534,7 +534,7 @@ bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric,
}
}
-/**
+/*
* Port is in loopback mode.
*/
static void
@@ -560,7 +560,7 @@ bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric,
}
}
-/**
+/*
* There is no attached fabric - private loop or NPort-to-NPort topology.
*/
static void
@@ -593,7 +593,7 @@ bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric,
}
}
-/**
+/*
* Fabric is online - normal operating state.
*/
static void
@@ -628,7 +628,7 @@ bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric,
}
}
-/**
+/*
* Exchanging virtual fabric parameters.
*/
static void
@@ -652,7 +652,7 @@ bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric,
}
}
-/**
+/*
* EVFP exchange complete and VFT tagging is enabled.
*/
static void
@@ -663,7 +663,7 @@ bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric,
bfa_trc(fabric->fcs, event);
}
-/**
+/*
* Port is isolated after EVFP exchange due to VF_ID mismatch (N and F).
*/
static void
@@ -684,7 +684,7 @@ bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric,
fabric->event_arg.swp_vfid);
}
-/**
+/*
* Fabric is being deleted, awaiting vport delete completions.
*/
static void
@@ -714,7 +714,7 @@ bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric,
-/**
+/*
* fcs_fabric_private fabric private functions
*/
@@ -728,7 +728,7 @@ bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric)
port_cfg->pwwn = bfa_ioc_get_pwwn(&fabric->fcs->bfa->ioc);
}
-/**
+/*
* Port Symbolic Name Creation for base port.
*/
void
@@ -789,7 +789,7 @@ bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric)
port_cfg->sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0;
}
-/**
+/*
* bfa lps login completion callback
*/
void
@@ -867,7 +867,7 @@ bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status)
bfa_trc(fabric->fcs, fabric->is_npiv);
bfa_trc(fabric->fcs, fabric->is_auth);
}
-/**
+/*
* Allocate and send FLOGI.
*/
static void
@@ -897,7 +897,7 @@ bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric)
bfa_fcs_fabric_set_opertype(fabric);
fabric->stats.fabric_onlines++;
- /**
+ /*
* notify online event to base and then virtual ports
*/
bfa_fcs_lport_online(&fabric->bport);
@@ -917,7 +917,7 @@ bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric)
bfa_trc(fabric->fcs, fabric->fabric_name);
fabric->stats.fabric_offlines++;
- /**
+ /*
* notify offline event first to vports and then base port.
*/
list_for_each_safe(qe, qen, &fabric->vport_q) {
@@ -939,7 +939,7 @@ bfa_fcs_fabric_delay(void *cbarg)
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELAYED);
}
-/**
+/*
* Delete all vports and wait for vport delete completions.
*/
static void
@@ -965,11 +965,11 @@ bfa_fcs_fabric_delete_comp(void *cbarg)
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELCOMP);
}
-/**
+/*
* fcs_fabric_public fabric public functions
*/
-/**
+/*
* Attach time initialization.
*/
void
@@ -978,9 +978,9 @@ bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs)
struct bfa_fcs_fabric_s *fabric;
fabric = &fcs->fabric;
- bfa_os_memset(fabric, 0, sizeof(struct bfa_fcs_fabric_s));
+ memset(fabric, 0, sizeof(struct bfa_fcs_fabric_s));
- /**
+ /*
* Initialize base fabric.
*/
fabric->fcs = fcs;
@@ -989,7 +989,7 @@ bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs)
fabric->lps = bfa_lps_alloc(fcs->bfa);
bfa_assert(fabric->lps);
- /**
+ /*
* Initialize fabric delete completion handler. Fabric deletion is
* complete when the last vport delete is complete.
*/
@@ -1007,7 +1007,7 @@ bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs)
bfa_trc(fcs, 0);
}
-/**
+/*
* Module cleanup
*/
void
@@ -1017,7 +1017,7 @@ bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs)
bfa_trc(fcs, 0);
- /**
+ /*
* Cleanup base fabric.
*/
fabric = &fcs->fabric;
@@ -1025,7 +1025,7 @@ bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs)
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELETE);
}
-/**
+/*
* Fabric module start -- kick starts FCS actions
*/
void
@@ -1038,7 +1038,7 @@ bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs)
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_START);
}
-/**
+/*
* Suspend fabric activity as part of driver suspend.
*/
void
@@ -1064,7 +1064,7 @@ bfa_fcs_fabric_port_type(struct bfa_fcs_fabric_s *fabric)
return fabric->oper_type;
}
-/**
+/*
* Link up notification from BFA physical port module.
*/
void
@@ -1074,7 +1074,7 @@ bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric)
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_UP);
}
-/**
+/*
* Link down notification from BFA physical port module.
*/
void
@@ -1084,7 +1084,7 @@ bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric)
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_DOWN);
}
-/**
+/*
* A child vport is being created in the fabric.
*
* Call from vport module at vport creation. A list of base port and vports
@@ -1099,7 +1099,7 @@ void
bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric,
struct bfa_fcs_vport_s *vport)
{
- /**
+ /*
* - add vport to fabric's vport_q
*/
bfa_trc(fabric->fcs, fabric->vf_id);
@@ -1109,7 +1109,7 @@ bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric,
bfa_wc_up(&fabric->wc);
}
-/**
+/*
* A child vport is being deleted from fabric.
*
* Vport is being deleted.
@@ -1123,7 +1123,7 @@ bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric,
bfa_wc_down(&fabric->wc);
}
-/**
+/*
* Base port is deleted.
*/
void
@@ -1133,7 +1133,7 @@ bfa_fcs_fabric_port_delete_comp(struct bfa_fcs_fabric_s *fabric)
}
-/**
+/*
* Check if fabric is online.
*
* param[in] fabric - Fabric instance. This can be a base fabric or vf.
@@ -1146,7 +1146,7 @@ bfa_fcs_fabric_is_online(struct bfa_fcs_fabric_s *fabric)
return bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_online);
}
-/**
+/*
* brief
*
*/
@@ -1158,7 +1158,7 @@ bfa_fcs_fabric_addvf(struct bfa_fcs_fabric_s *vf, struct bfa_fcs_s *fcs,
return BFA_STATUS_OK;
}
-/**
+/*
* Lookup for a vport withing a fabric given its pwwn
*/
struct bfa_fcs_vport_s *
@@ -1176,7 +1176,7 @@ bfa_fcs_fabric_vport_lookup(struct bfa_fcs_fabric_s *fabric, wwn_t pwwn)
return NULL;
}
-/**
+/*
* In a given fabric, return the number of lports.
*
* param[in] fabric - Fabric instance. This can be a base fabric or vf.
@@ -1214,7 +1214,7 @@ bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric)
return oui;
}
-/**
+/*
* Unsolicited frame receive handling.
*/
void
@@ -1230,7 +1230,7 @@ bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs,
bfa_trc(fabric->fcs, len);
bfa_trc(fabric->fcs, pid);
- /**
+ /*
* Look for our own FLOGI frames being looped back. This means an
* external loopback cable is in place. Our own FLOGI frames are
* sometimes looped back when switch port gets temporarily bypassed.
@@ -1242,7 +1242,7 @@ bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs,
return;
}
- /**
+ /*
* FLOGI/EVFP exchanges should be consumed by base fabric.
*/
if (fchs->d_id == bfa_os_hton3b(FC_FABRIC_PORT)) {
@@ -1252,7 +1252,7 @@ bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs,
}
if (fabric->bport.pid == pid) {
- /**
+ /*
* All authentication frames should be routed to auth
*/
bfa_trc(fabric->fcs, els_cmd->els_code);
@@ -1266,7 +1266,7 @@ bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs,
return;
}
- /**
+ /*
* look for a matching local port ID
*/
list_for_each(qe, &fabric->vport_q) {
@@ -1280,7 +1280,7 @@ bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs,
bfa_fcs_lport_uf_recv(&fabric->bport, fchs, len);
}
-/**
+/*
* Unsolicited frames to be processed by fabric.
*/
static void
@@ -1304,7 +1304,7 @@ bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs,
}
}
-/**
+/*
* Process incoming FLOGI
*/
static void
@@ -1329,7 +1329,7 @@ bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric,
return;
}
- fabric->bb_credit = bfa_os_ntohs(flogi->csp.bbcred);
+ fabric->bb_credit = be16_to_cpu(flogi->csp.bbcred);
bport->port_topo.pn2n.rem_port_wwn = flogi->port_name;
bport->port_topo.pn2n.reply_oxid = fchs->ox_id;
@@ -1351,7 +1351,7 @@ bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric)
struct fchs_s fchs;
fcxp = bfa_fcs_fcxp_alloc(fabric->fcs);
- /**
+ /*
* Do not expect this failure -- expect remote node to retry
*/
if (!fcxp)
@@ -1370,7 +1370,7 @@ bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric)
FC_MAX_PDUSZ, 0);
}
-/**
+/*
* Flogi Acc completion callback.
*/
static void
@@ -1417,130 +1417,7 @@ bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric,
}
}
-/**
- * fcs_vf_api virtual fabrics API
- */
-
-/**
- * Enable VF mode.
- *
- * @param[in] fcs fcs module instance
- * @param[in] vf_id default vf_id of port, FC_VF_ID_NULL
- * to use standard default vf_id of 1.
- *
- * @retval BFA_STATUS_OK vf mode is enabled
- * @retval BFA_STATUS_BUSY Port is active. Port must be disabled
- * before VF mode can be enabled.
- */
-bfa_status_t
-bfa_fcs_vf_mode_enable(struct bfa_fcs_s *fcs, u16 vf_id)
-{
- return BFA_STATUS_OK;
-}
-
-/**
- * Disable VF mode.
- *
- * @param[in] fcs fcs module instance
- *
- * @retval BFA_STATUS_OK vf mode is disabled
- * @retval BFA_STATUS_BUSY VFs are present and being used. All
- * VFs must be deleted before disabling
- * VF mode.
- */
-bfa_status_t
-bfa_fcs_vf_mode_disable(struct bfa_fcs_s *fcs)
-{
- return BFA_STATUS_OK;
-}
-
-/**
- * Create a new VF instance.
- *
- * A new VF is created using the given VF configuration. A VF is identified
- * by VF id. No duplicate VF creation is allowed with the same VF id. Once
- * a VF is created, VF is automatically started after link initialization
- * and EVFP exchange is completed.
- *
- * param[in] vf - FCS vf data structure. Memory is
- * allocated by caller (driver)
- * param[in] fcs - FCS module
- * param[in] vf_cfg - VF configuration
- * param[in] vf_drv - Opaque handle back to the driver's
- * virtual vf structure
- *
- * retval BFA_STATUS_OK VF creation is successful
- * retval BFA_STATUS_FAILED VF creation failed
- * retval BFA_STATUS_EEXIST A VF exists with the given vf_id
- */
-bfa_status_t
-bfa_fcs_vf_create(bfa_fcs_vf_t *vf, struct bfa_fcs_s *fcs, u16 vf_id,
- struct bfa_lport_cfg_s *port_cfg, struct bfad_vf_s *vf_drv)
-{
- bfa_trc(fcs, vf_id);
- return BFA_STATUS_OK;
-}
-
-/**
- * Use this function to delete a BFA VF object. VF object should
- * be stopped before this function call.
- *
- * param[in] vf - pointer to bfa_vf_t.
- *
- * retval BFA_STATUS_OK On vf deletion success
- * retval BFA_STATUS_BUSY VF is not in a stopped state
- * retval BFA_STATUS_INPROGRESS VF deletion in in progress
- */
-bfa_status_t
-bfa_fcs_vf_delete(bfa_fcs_vf_t *vf)
-{
- bfa_trc(vf->fcs, vf->vf_id);
- return BFA_STATUS_OK;
-}
-
-
-/**
- * Returns attributes of the given VF.
- *
- * param[in] vf pointer to bfa_vf_t.
- * param[out] vf_attr vf attributes returned
- *
- * return None
- */
-void
-bfa_fcs_vf_get_attr(bfa_fcs_vf_t *vf, struct bfa_vf_attr_s *vf_attr)
-{
- bfa_trc(vf->fcs, vf->vf_id);
-}
-
-/**
- * Return statistics associated with the given vf.
- *
- * param[in] vf pointer to bfa_vf_t.
- * param[out] vf_stats vf statistics returned
- *
- * @return None
- */
-void
-bfa_fcs_vf_get_stats(bfa_fcs_vf_t *vf, struct bfa_vf_stats_s *vf_stats)
-{
- bfa_os_memcpy(vf_stats, &vf->stats, sizeof(struct bfa_vf_stats_s));
-}
-
-/**
- * clear statistics associated with the given vf.
- *
- * param[in] vf pointer to bfa_vf_t.
- *
- * @return None
- */
-void
-bfa_fcs_vf_clear_stats(bfa_fcs_vf_t *vf)
-{
- bfa_os_memset(&vf->stats, 0, sizeof(struct bfa_vf_stats_s));
-}
-
-/**
+/*
* Returns FCS vf structure for a given vf_id.
*
* param[in] vf_id - VF_ID
@@ -1558,81 +1435,7 @@ bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id)
return NULL;
}
-/**
- * Return the list of VFs configured.
- *
- * param[in] fcs fcs module instance
- * param[out] vf_ids returned list of vf_ids
- * param[in,out] nvfs in:size of vf_ids array,
- * out:total elements present,
- * actual elements returned is limited by the size
- *
- * return Driver VF structure
- */
-void
-bfa_fcs_vf_list(struct bfa_fcs_s *fcs, u16 *vf_ids, int *nvfs)
-{
- bfa_trc(fcs, *nvfs);
-}
-
-/**
- * Return the list of all VFs visible from fabric.
- *
- * param[in] fcs fcs module instance
- * param[out] vf_ids returned list of vf_ids
- * param[in,out] nvfs in:size of vf_ids array,
- * out:total elements present,
- * actual elements returned is limited by the size
- *
- * return Driver VF structure
- */
-void
-bfa_fcs_vf_list_all(struct bfa_fcs_s *fcs, u16 *vf_ids, int *nvfs)
-{
- bfa_trc(fcs, *nvfs);
-}
-
-/**
- * Return the list of local logical ports present in the given VF.
- *
- * param[in] vf vf for which logical ports are returned
- * param[out] lpwwn returned logical port wwn list
- * param[in,out] nlports in:size of lpwwn list;
- * out:total elements present,
- * actual elements returned is limited by the size
- */
-void
-bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t lpwwn[], int *nlports)
-{
- struct list_head *qe;
- struct bfa_fcs_vport_s *vport;
- int i;
- struct bfa_fcs_s *fcs;
-
- if (vf == NULL || lpwwn == NULL || *nlports == 0)
- return;
-
- fcs = vf->fcs;
-
- bfa_trc(fcs, vf->vf_id);
- bfa_trc(fcs, (u32) *nlports);
-
- i = 0;
- lpwwn[i++] = vf->bport.port_cfg.pwwn;
-
- list_for_each(qe, &vf->vport_q) {
- if (i >= *nlports)
- break;
-
- vport = (struct bfa_fcs_vport_s *) qe;
- lpwwn[i++] = vport->lport.port_cfg.pwwn;
- }
-
- bfa_trc(fcs, i);
- *nlports = i;
-}
-
-/**
+/*
* BFA FCS PPORT ( physical port)
*/
static void
@@ -1662,11 +1465,11 @@ bfa_fcs_port_attach(struct bfa_fcs_s *fcs)
bfa_fcport_event_register(fcs->bfa, bfa_fcs_port_event_handler, fcs);
}
-/**
+/*
* BFA FCS UF ( Unsolicited Frames)
*/
-/**
+/*
* BFA callback for unsolicited frame receive handler.
*
* @param[in] cbarg callback arg for receive handler
@@ -1683,7 +1486,7 @@ bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf)
struct fc_vft_s *vft;
struct bfa_fcs_fabric_s *fabric;
- /**
+ /*
* check for VFT header
*/
if (fchs->routing == FC_RTG_EXT_HDR &&
@@ -1695,7 +1498,7 @@ bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf)
else
fabric = bfa_fcs_vf_lookup(fcs, (u16) vft->vf_id);
- /**
+ /*
* drop frame if vfid is unknown
*/
if (!fabric) {
@@ -1705,7 +1508,7 @@ bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf)
return;
}
- /**
+ /*
* skip vft header
*/
fchs = (struct fchs_s *) (vft + 1);