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| author | John Fastabend <john.r.fastabend@intel.com> | 2010-11-16 19:26:45 -0800 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2010-11-16 19:26:45 -0800 |
| commit | 80ab193dce048e7b7afa43c99e69f508167e29ab (patch) | |
| tree | c51e4b013ba3d2b003ec23a9e0be8d3f7c9a764c /drivers/net/ixgbe/ixgbe_dcb.c | |
| parent | 16b61beb39f2446460f93c08d4d263dc24f22dd8 (diff) | |
| download | blackbird-op-linux-80ab193dce048e7b7afa43c99e69f508167e29ab.tar.gz blackbird-op-linux-80ab193dce048e7b7afa43c99e69f508167e29ab.zip | |
ixgbe: DCB: credit max only needs to be gt TSO size for 82598
The maximum credits per traffic class only needs to be greater
then the TSO size for 82598 devices. The 82599 devices do not
have this requirement so only do this test for 82598 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/ixgbe_dcb.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_dcb.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ixgbe/ixgbe_dcb.c b/drivers/net/ixgbe/ixgbe_dcb.c index 0d44c6470ca3..4f2f0ae67354 100644 --- a/drivers/net/ixgbe/ixgbe_dcb.c +++ b/drivers/net/ixgbe/ixgbe_dcb.c @@ -42,7 +42,8 @@ * It should be called only after the rules are checked by * ixgbe_dcb_check_config(). */ -s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_dcb_config *dcb_config, +s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *hw, + struct ixgbe_dcb_config *dcb_config, int max_frame, u8 direction) { struct tc_bw_alloc *p; @@ -124,7 +125,8 @@ s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_dcb_config *dcb_config, * credit may not be enough to send out a TSO * packet in descriptor plane arbitration. */ - if (credit_max && + if ((hw->mac.type == ixgbe_mac_82598EB) && + credit_max && (credit_max < MINIMUM_CREDIT_FOR_TSO)) credit_max = MINIMUM_CREDIT_FOR_TSO; |
