qlcnic: enable RSS for TCP over IPv6

o This patch enables RSS for TYPE-C packets to enable RSS for TCP over IPv6

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 15 insertions, 6 deletions

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
index 8e0412bdf42d..186fe6e6eaaa 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
@@ -756,7 +756,10 @@ int qlcnic_config_bridged_mode(struct qlcnic_adapter *adapter, u32 enable)
 }
 
 
-#define RSS_HASHTYPE_IP_TCP     0x3
+#define QLCNIC_RSS_HASHTYPE_IP_TCP      0x3
+#define QLCNIC_ENABLE_TYPE_C_RSS        BIT_10
+#define QLCNIC_RSS_FEATURE_FLAG (1ULL << 63)
+#define QLCNIC_RSS_IND_TABLE_MASK       0x7ULL
 
 int qlcnic_82xx_config_rss(struct qlcnic_adapter *adapter, int enable)
 {
@@ -783,13 +786,19 @@ int qlcnic_82xx_config_rss(struct qlcnic_adapter *adapter, int enable)
          *      7-6: hash_type_ipv6
          *        8: enable
          *        9: use indirection table
-         *    47-10: reserved
-         *    63-48: indirection table mask
+         *       10: type-c rss
+         *       11: udp rss
+         *    47-12: reserved
+         *    62-48: indirection table mask
+         *       63: feature flag
          */
-        word =  ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
-                ((u64)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
+        word =  ((u64)(QLCNIC_RSS_HASHTYPE_IP_TCP & 0x3) << 4) |
+                ((u64)(QLCNIC_RSS_HASHTYPE_IP_TCP & 0x3) << 6) |
                 ((u64)(enable & 0x1) << 8) |
-                ((0x7ULL) << 48);
+                ((u64)QLCNIC_RSS_IND_TABLE_MASK << 48) |
+                (u64)QLCNIC_ENABLE_TYPE_C_RSS |
+                (u64)QLCNIC_RSS_FEATURE_FLAG;
+
         req.words[0] = cpu_to_le64(word);
         for (i = 0; i < 5; i++)
                 req.words[i+1] = cpu_to_le64(key[i]);