i40evf: fix RSS with less Rx queues than Tx queues

[dpdk.git] / drivers / net / i40e / i40e_ethdev.h

diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index 883ee06..6185657 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -563,6 +563,14 @@ i40e_init_adminq_parameter(struct i40e_hw *hw)
        hw->aq.asq_buf_size = I40E_AQ_BUF_SZ;
 }
 
+static inline int
+i40e_align_floor(int n)
+{
+       if (n == 0)
+               return 0;
+       return 1 << (sizeof(n) * CHAR_BIT - 1 - __builtin_clz(n));
+}
+
 #define I40E_VALID_FLOW(flow_type) \
        ((flow_type) == RTE_ETH_FLOW_FRAG_IPV4 || \
        (flow_type) == RTE_ETH_FLOW_NONFRAG_IPV4_TCP || \