update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / spdk / dpdk / drivers / net / hns3 / hns3_rss.h

diff --git a/ceph/src/spdk/dpdk/drivers/net/hns3/hns3_rss.h b/ceph/src/spdk/dpdk/drivers/net/hns3/hns3_rss.h
new file mode 100644 (file)
index 0000000..3c79051
--- /dev/null
+++ b/ceph/src/spdk/dpdk/drivers/net/hns3/hns3_rss.h
@@ -0,0 +1,116 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2019 Hisilicon Limited.
+ */
+
+#ifndef _HNS3_RSS_H_
+#define _HNS3_RSS_H_
+#include <rte_ethdev.h>
+#include <rte_flow.h>
+
+#define HNS3_ETH_RSS_SUPPORT ( \
+       ETH_RSS_FRAG_IPV4 | \
+       ETH_RSS_NONFRAG_IPV4_TCP | \
+       ETH_RSS_NONFRAG_IPV4_UDP | \
+       ETH_RSS_NONFRAG_IPV4_SCTP | \
+       ETH_RSS_NONFRAG_IPV4_OTHER | \
+       ETH_RSS_FRAG_IPV6 | \
+       ETH_RSS_NONFRAG_IPV6_TCP | \
+       ETH_RSS_NONFRAG_IPV6_UDP | \
+       ETH_RSS_NONFRAG_IPV6_SCTP | \
+       ETH_RSS_NONFRAG_IPV6_OTHER)
+
+#define HNS3_RSS_IND_TBL_SIZE  512 /* The size of hash lookup table */
+#define HNS3_RSS_KEY_SIZE      40
+#define HNS3_RSS_CFG_TBL_NUM \
+       (HNS3_RSS_IND_TBL_SIZE / HNS3_RSS_CFG_TBL_SIZE)
+#define HNS3_RSS_SET_BITMAP_MSK        0xffff
+
+#define HNS3_RSS_HASH_ALGO_TOEPLITZ    0
+#define HNS3_RSS_HASH_ALGO_SIMPLE      1
+#define HNS3_RSS_HASH_ALGO_MASK                0xf
+
+#define HNS3_RSS_INPUT_TUPLE_OTHER     GENMASK(3, 0)
+#define HNS3_RSS_INPUT_TUPLE_SCTP      GENMASK(4, 0)
+#define HNS3_IP_FRAG_BIT_MASK          GENMASK(3, 2)
+#define HNS3_IP_OTHER_BIT_MASK         GENMASK(1, 0)
+
+struct hns3_rss_tuple_cfg {
+       uint8_t ipv4_tcp_en;      /* Bit8.0~8.3 */
+       uint8_t ipv4_udp_en;      /* Bit9.0~9.3 */
+       uint8_t ipv4_sctp_en;     /* Bit10.0~10.4 */
+       uint8_t ipv4_fragment_en; /* Bit11.0~11.3 */
+       uint8_t ipv6_tcp_en;      /* Bit12.0~12.3 */
+       uint8_t ipv6_udp_en;      /* Bit13.0~13.3 */
+       uint8_t ipv6_sctp_en;     /* Bit14.0~14.4 */
+       uint8_t ipv6_fragment_en; /* Bit15.0~15.3 */
+};
+
+#define HNS3_RSS_QUEUES_BUFFER_NUM     64 /* Same as the Max rx/tx queue num */
+struct hns3_rss_conf {
+       /* RSS parameters :algorithm, flow_types,  key, queue */
+       struct rte_flow_action_rss conf;
+       uint8_t key[HNS3_RSS_KEY_SIZE];  /* Hash key */
+       struct hns3_rss_tuple_cfg rss_tuple_sets;
+       uint8_t rss_indirection_tbl[HNS3_RSS_IND_TBL_SIZE]; /* Shadow table */
+       uint16_t queue[HNS3_RSS_QUEUES_BUFFER_NUM]; /* Queues indices to use */
+};
+
+#ifndef ilog2
+static inline int rss_ilog2(uint32_t x)
+{
+       int log = 0;
+       x >>= 1;
+
+       while (x) {
+               log++;
+               x >>= 1;
+       }
+       return log;
+}
+#define ilog2(x) rss_ilog2(x)
+#endif
+
+static inline uint32_t fls(uint32_t x)
+{
+       uint32_t position;
+       uint32_t i;
+
+       if (x == 0)
+               return 0;
+
+       for (i = (x >> 1), position = 0; i != 0; ++position)
+               i >>= 1;
+
+       return position + 1;
+}
+
+static inline uint32_t roundup_pow_of_two(uint32_t x)
+{
+       return 1UL << fls(x - 1);
+}
+
+struct hns3_adapter;
+
+int hns3_dev_rss_hash_update(struct rte_eth_dev *dev,
+                            struct rte_eth_rss_conf *rss_conf);
+int hns3_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
+                              struct rte_eth_rss_conf *rss_conf);
+int hns3_dev_rss_reta_update(struct rte_eth_dev *dev,
+                            struct rte_eth_rss_reta_entry64 *reta_conf,
+                            uint16_t reta_size);
+int hns3_dev_rss_reta_query(struct rte_eth_dev *dev,
+                           struct rte_eth_rss_reta_entry64 *reta_conf,
+                           uint16_t reta_size);
+void hns3_set_default_rss_args(struct hns3_hw *hw);
+int hns3_set_rss_indir_table(struct hns3_hw *hw, uint8_t *indir, uint16_t size);
+int hns3_rss_reset_indir_table(struct hns3_hw *hw);
+int hns3_config_rss(struct hns3_adapter *hns);
+void hns3_rss_uninit(struct hns3_adapter *hns);
+int hns3_set_rss_tuple_by_rss_hf(struct hns3_hw *hw,
+                                struct hns3_rss_tuple_cfg *tuple,
+                                uint64_t rss_hf);
+int hns3_set_rss_algo_key(struct hns3_hw *hw, uint8_t hash_algo,
+                         const uint8_t *key);
+int hns3_restore_rss_filter(struct rte_eth_dev *dev);
+
+#endif /* _HNS3_RSS_H_ */