ixgbe: DCB, set minimum bandwidth per traffic class
DCB provides a guaranteed bandwidth in the case with 0% bandwidth then no bandwidth is guaranteed. However the traffic class should still be able to transmit traffic. For this to work the traffic class must be given the minimum credits required to send a frame. 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>
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@ -64,7 +64,7 @@ s32 ixgbe_ieee_credits(__u8 *bw, __u16 *refill, __u16 *max, int max_frame)
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val = min_credit;
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refill[i] = val;
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max[i] = (bw[i] * MAX_CREDIT)/100;
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max[i] = bw[i] ? (bw[i] * MAX_CREDIT)/100 : min_credit;
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}
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return 0;
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}
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