i40e: Don't receive packets when the napi budget == 0
Processing any incoming packets with a with a napi budget of 0 is incorrect driver behavior. This matters as netpoll will shortly call drivers with a budget of 0 to avoid receive packet processing happening in hard irq context. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1302,6 +1302,9 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
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u8 rx_ptype;
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u64 qword;
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if (budget <= 0)
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return 0;
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rx_desc = I40E_RX_DESC(rx_ring, i);
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qword = le64_to_cpu(rx_desc->wb.qword1.status_error_len);
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rx_status = (qword & I40E_RXD_QW1_STATUS_MASK) >>
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