qlcnic: support rcv ring configuration through ethtool

o Support ethtool command ETHTOOL_GCHANNELS and ETHTOOL_SCHANNELS.
o Number of rcv rings configuration depend upon number of msix vector.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index f7acb807a03d..1934ed9a1aad 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -118,7 +118,6 @@
 #define PHAN_PEG_RCV_INITIALIZED        0xff01
 
 #define NUM_RCV_DESC_RINGS      3
-#define NUM_STS_DESC_RINGS      4
 
 #define RCV_RING_NORMAL 0
 #define RCV_RING_JUMBO  1
@@ -871,7 +870,8 @@ struct qlcnic_ipaddr {
 #define QLCNIC_IS_MSI_FAMILY(adapter) \
         ((adapter)->flags & (QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED))
 
-#define MSIX_ENTRIES_PER_ADAPTER        NUM_STS_DESC_RINGS
+#define QLCNIC_DEF_NUM_STS_DESC_RINGS   4
+#define QLCNIC_MIN_NUM_RSS_RINGS        2
 #define QLCNIC_MSIX_TBL_SPACE           8192
 #define QLCNIC_PCI_REG_MSIX_TBL         0x44
 #define QLCNIC_MSIX_TBL_PGSIZE          4096
@@ -987,7 +987,7 @@ struct qlcnic_adapter {
         void __iomem    *crb_int_state_reg;
         void __iomem    *isr_int_vec;
 
-        struct msix_entry msix_entries[MSIX_ENTRIES_PER_ADAPTER];
+        struct msix_entry *msix_entries;
 
         struct delayed_work fw_work;
 
@@ -1262,6 +1262,8 @@ u32 qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
 void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings);
 int qlcnic_diag_alloc_res(struct net_device *netdev, int test);
 netdev_tx_t qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
+int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val);
+int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data);
 
 /* Management functions */
 int qlcnic_get_mac_address(struct qlcnic_adapter *, u8*);