X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_pmd_ixgbe%2Fixgbe_rxtx.c;h=9f3002534bb1cf9cd3fc42135b2359ba6cf9cf40;hb=16321de09396eaef80881b4573d4b7fb87a49ea7;hp=111d1fa21d83d01b39a8f10b4136c2cda1656f9f;hpb=560e02ee5237920a9bc0c8dd148308f04e1582d3;p=dpdk.git

diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
index 111d1fa21d..9f3002534b 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
@@ -2369,6 +2369,59 @@ ixgbe_dev_rss_hash_update(struct rte_eth_dev *dev,
 	return 0;
 }
 
+int
+ixgbe_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
+			    struct rte_eth_rss_conf *rss_conf)
+{
+	struct ixgbe_hw *hw;
+	uint8_t *hash_key;
+	uint32_t mrqc;
+	uint32_t rss_key;
+	uint16_t rss_hf;
+	uint16_t i;
+
+	hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	hash_key = rss_conf->rss_key;
+	if (hash_key != NULL) {
+		/* Return RSS hash key */
+		for (i = 0; i < 10; i++) {
+			rss_key = IXGBE_READ_REG_ARRAY(hw, IXGBE_RSSRK(0), i);
+			hash_key[(i * 4)] = rss_key & 0x000000FF;
+			hash_key[(i * 4) + 1] = (rss_key >> 8) & 0x000000FF;
+			hash_key[(i * 4) + 2] = (rss_key >> 16) & 0x000000FF;
+			hash_key[(i * 4) + 3] = (rss_key >> 24) & 0x000000FF;
+		}
+	}
+
+	/* Get RSS functions configured in MRQC register */
+	mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
+	if ((mrqc & IXGBE_MRQC_RSSEN) == 0) { /* RSS is disabled */
+		rss_conf->rss_hf = 0;
+		return 0;
+	}
+	rss_hf = 0;
+	if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV4)
+		rss_hf |= ETH_RSS_IPV4;
+	if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV4_TCP)
+		rss_hf |= ETH_RSS_IPV4_TCP;
+	if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6)
+		rss_hf |= ETH_RSS_IPV6;
+	if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_EX)
+		rss_hf |= ETH_RSS_IPV6_EX;
+	if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_TCP)
+		rss_hf |= ETH_RSS_IPV6_TCP;
+	if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP)
+		rss_hf |= ETH_RSS_IPV6_TCP_EX;
+	if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV4_UDP)
+		rss_hf |= ETH_RSS_IPV4_UDP;
+	if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_UDP)
+		rss_hf |= ETH_RSS_IPV6_UDP;
+	if (mrqc & IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP)
+		rss_hf |= ETH_RSS_IPV6_UDP_EX;
+	rss_conf->rss_hf = rss_hf;
+	return 0;
+}
+
 static void
 ixgbe_rss_configure(struct rte_eth_dev *dev)
 {