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ixgbevf: add RSS support for X550

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X550 provides RSS registers for configuring RSS per VF.

This patch introduces ixgbevf_setup_vfmrqc() which uses the VFRETA,
VFRSSRK and VFMRQC registers to configure RSS on X550.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Emil Tantilov
2014-12-06 09:19:09 +00:00
committed by Jeff Kirsher
parent 2dc571aa61
commit 9295edb472
2 changed files with 45 additions and 0 deletions
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10
drivers/net/ethernet/intel/ixgbevf/regs.h
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@@ -69,6 +69,16 @@
#define IXGBE_VFGOTC_LSB 0x02020
#define IXGBE_VFGOTC_MSB 0x02024
#define IXGBE_VFMPRC 0x01034
#define IXGBE_VFMRQC 0x3000
#define IXGBE_VFRSSRK(x) (0x3100 + ((x) * 4))
#define IXGBE_VFRETA(x) (0x3200 + ((x) * 4))
/* VFMRQC bits */
#define IXGBE_VFMRQC_RSSEN 0x00000001 /* RSS Enable */
#define IXGBE_VFMRQC_RSS_FIELD_IPV4_TCP 0x00010000
#define IXGBE_VFMRQC_RSS_FIELD_IPV4 0x00020000
#define IXGBE_VFMRQC_RSS_FIELD_IPV6 0x00100000
#define IXGBE_VFMRQC_RSS_FIELD_IPV6_TCP 0x00200000
#define IXGBE_WRITE_FLUSH(a) (IXGBE_READ_REG(a, IXGBE_VFSTATUS))