net/bnxt: fix mbuf free when clearing Tx queue
[dpdk.git] / lib / librte_ethdev / rte_ethdev.h
index 9bd8d4b..c36c1b6 100644 (file)
@@ -156,8 +156,8 @@ extern "C" {
 #include <rte_errno.h>
 #include <rte_common.h>
 #include <rte_config.h>
+#include <rte_ether.h>
 
-#include "rte_ether.h"
 #include "rte_dev_info.h"
 
 extern int rte_eth_dev_logtype;
@@ -507,6 +507,42 @@ struct rte_eth_rss_conf {
 #define ETH_RSS_NVGRE              (1ULL << 21)
 #define ETH_RSS_GTPU               (1ULL << 23)
 
+/*
+ * We use the following macros to combine with above ETH_RSS_* for
+ * more specific input set selection. These bits are defined starting
+ * from the high end of the 64 bits.
+ * Note: If we use above ETH_RSS_* without SRC/DST_ONLY, it represents
+ * both SRC and DST are taken into account. If SRC_ONLY and DST_ONLY of
+ * the same level are used simultaneously, it is the same case as none of
+ * them are added.
+ */
+#define ETH_RSS_L3_SRC_ONLY        (1ULL << 63)
+#define ETH_RSS_L3_DST_ONLY        (1ULL << 62)
+#define ETH_RSS_L4_SRC_ONLY        (1ULL << 61)
+#define ETH_RSS_L4_DST_ONLY        (1ULL << 60)
+
+/**
+ * For input set change of hash filter, if SRC_ONLY and DST_ONLY of
+ * the same level are used simultaneously, it is the same case as
+ * none of them are added.
+ *
+ * @param rss_hf
+ *   RSS types with SRC/DST_ONLY.
+ * @return
+ *   RSS types.
+ */
+static inline uint64_t
+rte_eth_rss_hf_refine(uint64_t rss_hf)
+{
+       if ((rss_hf & ETH_RSS_L3_SRC_ONLY) && (rss_hf & ETH_RSS_L3_DST_ONLY))
+               rss_hf &= ~(ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY);
+
+       if ((rss_hf & ETH_RSS_L4_SRC_ONLY) && (rss_hf & ETH_RSS_L4_DST_ONLY))
+               rss_hf &= ~(ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY);
+
+       return rss_hf;
+}
+
 #define ETH_RSS_IP ( \
        ETH_RSS_IPV4 | \
        ETH_RSS_FRAG_IPV4 | \