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Commit efbcb1b2 authored by Shahed Shaikh's avatar Shahed Shaikh Committed by David S. Miller
Browse files

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: default avatarShahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 776e7bde

drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c

+15 −6
Original line number Diff line number Diff line
@@ -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]);