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Commit 4617e8c0 authored by Anjali Singhai Jain's avatar Anjali Singhai Jain Committed by Jeff Kirsher
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i40e: Enable all PCTYPEs except FCOE for RSS. 



RSS can steer packets based on recognition of all
sorts of different headers.  Enable some more of them.

Change-Id: I2264dedae66fb0bceca6fb6e772e050e3ca8efc8
Signed-off-by: default avatarAnjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: default avatarJesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: default avatarKavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent f650a38b

drivers/net/ethernet/intel/i40e/i40e_main.c

+24 −14
Original line number Diff line number Diff line
@@ -5615,15 +5615,34 @@ static int i40e_setup_misc_vector(struct i40e_pf *pf) 
 **/

static int i40e_config_rss(struct i40e_pf *pf)

{

	struct i40e_hw *hw = &pf->hw;

	u32 lut = 0;

	int i, j;

	u64 hena;

	const u64 default_hena =

			((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_SCTP) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |

			((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_SCTP) |

			((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |

			((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6) |

			((u64)1 << I40E_FILTER_PCTYPE_L2_PAYLOAD);



	/* Set of random keys generated using kernel random number generator */

	static const u32 seed[I40E_PFQF_HKEY_MAX_INDEX + 1] = {0x41b01687,

				0x183cfd8c, 0xce880440, 0x580cbc3c, 0x35897377,

				0x328b25e1, 0x4fa98922, 0xb7d90c14, 0xd5bad70d,

				0xcd15a2c1, 0xe8580225, 0x4a1e9d11, 0xfe5731be};

	struct i40e_hw *hw = &pf->hw;

	u32 lut = 0;

	int i, j;

	u64 hena;



	/* Fill out hash function seed */

	for (i = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++)
@@ -5632,16 +5651,7 @@ static int i40e_config_rss(struct i40e_pf *pf) 
	/* By default we enable TCP/UDP with IPv4/IPv6 ptypes */

	hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |

		((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);

	hena |= ((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |

		((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |

		((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP) |

		((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV4_TCP) |

		((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_TCP) |

		((u64)1 << I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |

		((u64)1 << I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |

		((u64)1 << I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP) |

		((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV4)|

		((u64)1 << I40E_FILTER_PCTYPE_FRAG_IPV6);

	hena |= default_hena;

	wr32(hw, I40E_PFQF_HENA(0), (u32)hena);

	wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));