diff options
| author | John Fastabend <john.r.fastabend@intel.com> | 2011-04-04 04:29:46 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-04-13 19:27:18 -0700 |
| commit | 45a5f720fe37d21059da3c333c373c845ccbd82b (patch) | |
| tree | f7701604f21cdf1e235d0a1bb6aa7a90190b0b48 /drivers/net/ixgbe | |
| parent | e09ad236fc85b1d6e010138f59aba76f6c9a295b (diff) | |
| download | linux-45a5f720fe37d21059da3c333c373c845ccbd82b.tar.bz2 | |
ixgbe: DCB, X540 devices do not respond to pause frames
DCB enabled X540 devices are not responding to pause frames
due to a missing register set that was added for these
devices that did not exist in other devices.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ixgbe')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_dcb_82599.c | 9 | ||||
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_type.h | 2 |
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ixgbe/ixgbe_dcb_82599.c index 865ddd82b268..d50cf78c234d 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82599.c +++ b/drivers/net/ixgbe/ixgbe_dcb_82599.c @@ -301,12 +301,17 @@ s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en) IXGBE_WRITE_REG(hw, IXGBE_FCCFG, reg); /* * Enable Receive PFC - * We will always honor XOFF frames we receive when - * we are in PFC mode. + * 82599 will always honor XOFF frames we receive when + * we are in PFC mode however X540 only honors enabled + * traffic classes. */ reg = IXGBE_READ_REG(hw, IXGBE_MFLCN); reg &= ~IXGBE_MFLCN_RFCE; reg |= IXGBE_MFLCN_RPFCE | IXGBE_MFLCN_DPF; + + if (hw->mac.type == ixgbe_mac_X540) + reg |= pfc_en << IXGBE_MFLCN_RPFCE_SHIFT; + IXGBE_WRITE_REG(hw, IXGBE_MFLCN, reg); } else { diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h index 7d0b37d2ab7b..f5bec9754c00 100644 --- a/drivers/net/ixgbe/ixgbe_type.h +++ b/drivers/net/ixgbe/ixgbe_type.h @@ -1728,6 +1728,8 @@ #define IXGBE_MFLCN_RPFCE 0x00000004 /* Receive Priority FC Enable */ #define IXGBE_MFLCN_RFCE 0x00000008 /* Receive FC Enable */ +#define IXGBE_MFLCN_RPFCE_SHIFT 4 + /* Multiple Receive Queue Control */ #define IXGBE_MRQC_RSSEN 0x00000001 /* RSS Enable */ #define IXGBE_MRQC_MRQE_MASK 0xF /* Bits 3:0 */ |