[dpdk-dev] [PATCH 04/22] e1000: enlarge the hash flags of RSS to 64 bits

Helin Zhang helin.zhang at intel.com
Wed May 21 17:30:03 CEST 2014


As the hash flags of RSS has been enlarged from 16 bits to 64 bits in
'struct rte_eth_rss_conf' in rte_ethdev.h, the size of it in e1000 should be
enlarged as well. In addition, the flags for e1000 only should be masked,
as there are flags for others in that 64 bits.

Signed-off-by: Helin Zhang <helin.zhang at intel.com>
Signed-off-by: Mark Chen <jing.d.chen at intel.com>
---
 lib/librte_pmd_e1000/igb_rxtx.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/lib/librte_pmd_e1000/igb_rxtx.c b/lib/librte_pmd_e1000/igb_rxtx.c
index 4608595..c349f21 100644
--- a/lib/librte_pmd_e1000/igb_rxtx.c
+++ b/lib/librte_pmd_e1000/igb_rxtx.c
@@ -1521,17 +1521,29 @@ igb_rss_disable(struct rte_eth_dev *dev)
 static void
 igb_rss_configure(struct rte_eth_dev *dev)
 {
+#define IGB_RSS_OFFLOAD_ALL ( \
+		ETH_RSS_IPV4 | \
+		ETH_RSS_IPV4_TCP | \
+		ETH_RSS_IPV6 | \
+		ETH_RSS_IPV6_EX | \
+		ETH_RSS_IPV6_TCP | \
+		ETH_RSS_IPV6_TCP_EX | \
+		ETH_RSS_IPV4_UDP | \
+		ETH_RSS_IPV6_UDP | \
+		ETH_RSS_IPV6_UDP_EX)
+
 	struct e1000_hw *hw;
 	uint8_t *hash_key;
 	uint32_t rss_key;
 	uint32_t mrqc;
 	uint32_t shift;
-	uint16_t rss_hf;
+	uint64_t rss_hf;
 	uint16_t i;
 
 	hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 
-	rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
+	rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &
+						IGB_RSS_OFFLOAD_ALL;
 	if (rss_hf == 0) /* Disable RSS. */ {
 		igb_rss_disable(dev);
 		return;
-- 
1.8.1.4



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