bna: Enahncement to Identify Default IOC Function

User should not be allowed to delete base function of eth port. Add a new field
to the bfa ioc attributes structure to indicate if the given ioc is default
function on the port or not.

Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 8 insertions, 4 deletions

diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs.h b/drivers/net/ethernet/brocade/bna/bfa_defs.h
index e423f82da490..b7d8127c198f 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_defs.h
+++ b/drivers/net/ethernet/brocade/bna/bfa_defs.h
@@ -164,7 +164,8 @@ struct bfa_ioc_attr {
         u8                              port_mode;      /*!< enum bfa_mode */
         u8                              cap_bm;         /*!< capability */
         u8                              port_mode_cfg;  /*!< enum bfa_mode */
-        u8                              rsvd[4];        /*!< 64bit align */
+        u8                              def_fn;         /*!< 1 if default fn */
+        u8                              rsvd[3];        /*!< 64bit align */
 };
 
 /* Adapter capability mask definition */
diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c
index f2b73ffa9122..6f3cac060f29 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c
+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c
@@ -2371,7 +2371,7 @@ bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr)
         memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr));
 
         ioc_attr->state = bfa_ioc_get_state(ioc);
-        ioc_attr->port_id = ioc->port_id;
+        ioc_attr->port_id = bfa_ioc_portid(ioc);
         ioc_attr->port_mode = ioc->port_mode;
 
         ioc_attr->port_mode_cfg = ioc->port_mode_cfg;
@@ -2381,8 +2381,9 @@ bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr)
 
         bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr);
 
-        ioc_attr->pci_attr.device_id = ioc->pcidev.device_id;
-        ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func;
+        ioc_attr->pci_attr.device_id = bfa_ioc_devid(ioc);
+        ioc_attr->pci_attr.pcifn = bfa_ioc_pcifn(ioc);
+        ioc_attr->def_fn = bfa_ioc_is_default(ioc);
         bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev);
 }
 
diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.h b/drivers/net/ethernet/brocade/bna/bfa_ioc.h
index 63a85e555df8..f04e0aab25b4 100644
--- a/drivers/net/ethernet/brocade/bna/bfa_ioc.h
+++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.h
@@ -222,6 +222,8 @@ struct bfa_ioc_hwif {
 #define bfa_ioc_bar0(__ioc)             ((__ioc)->pcidev.pci_bar_kva)
 #define bfa_ioc_portid(__ioc)           ((__ioc)->port_id)
 #define bfa_ioc_asic_gen(__ioc)         ((__ioc)->asic_gen)
+#define bfa_ioc_is_default(__ioc)       \
+        (bfa_ioc_pcifn(__ioc) == bfa_ioc_portid(__ioc))
 #define bfa_ioc_fetch_stats(__ioc, __stats) \
                 (((__stats)->drv_stats) = (__ioc)->stats)
 #define bfa_ioc_clr_stats(__ioc)        \