diff options
| author | Yishai Hadas <yishaih@mellanox.com> | 2016-09-15 15:48:08 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-09-15 14:16:49 -0400 |
| commit | f70af0c4de0ad790471c0f2186d0a8b5782c4c44 (patch) | |
| tree | 18f236ff974aa278852e2f9f10251750dbe48b5b | |
| parent | 2ab51e84e49a30b8374dd508af080481c083b579 (diff) | |
Extend create QP to get RX hash data
Extend create QP to get RX hash data, this is needed
to enable RSS based on some RX configuration.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | include/infiniband/verbs.h | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/include/infiniband/verbs.h b/include/infiniband/verbs.h index 284bac5..88ac4bb 100644 --- a/include/infiniband/verbs.h +++ b/include/infiniband/verbs.h @@ -214,6 +214,30 @@ struct ibv_tso_caps { uint32_t supported_qpts; }; +/* RX Hash function flags */ +enum ibv_rx_hash_function_flags { + IBV_RX_HASH_FUNC_TOEPLITZ = 1 << 0, +}; + +/* + * RX Hash fields enable to set which incoming packet's field should + * participates in RX Hash. Each flag represent certain packet's field, + * when the flag is set the field that is represented by the flag will + * participate in RX Hash calculation. + * Note: *IPV4 and *IPV6 flags can't be enabled together on the same QP + * and *TCP and *UDP flags can't be enabled together on the same QP. +*/ +enum ibv_rx_hash_fields { + IBV_RX_HASH_SRC_IPV4 = 1 << 0, + IBV_RX_HASH_DST_IPV4 = 1 << 1, + IBV_RX_HASH_SRC_IPV6 = 1 << 2, + IBV_RX_HASH_DST_IPV6 = 1 << 3, + IBV_RX_HASH_SRC_PORT_TCP = 1 << 4, + IBV_RX_HASH_DST_PORT_TCP = 1 << 5, + IBV_RX_HASH_SRC_PORT_UDP = 1 << 6, + IBV_RX_HASH_DST_PORT_UDP = 1 << 7 +}; + struct ibv_device_attr_ex { struct ibv_device_attr orig_attr; uint32_t comp_mask; @@ -713,7 +737,8 @@ enum ibv_qp_init_attr_mask { IBV_QP_INIT_ATTR_CREATE_FLAGS = 1 << 2, IBV_QP_INIT_ATTR_MAX_TSO_HEADER = 1 << 3, IBV_QP_INIT_ATTR_IND_TABLE = 1 << 4, - IBV_QP_INIT_ATTR_RESERVED = 1 << 5 + IBV_QP_INIT_ATTR_RX_HASH = 1 << 5, + IBV_QP_INIT_ATTR_RESERVED = 1 << 6 }; enum ibv_qp_create_flags { @@ -721,6 +746,15 @@ enum ibv_qp_create_flags { IBV_QP_CREATE_SCATTER_FCS = 1 << 8, }; +struct ibv_rx_hash_conf { + /* enum ibv_rx_hash_function_flags */ + uint8_t rx_hash_function; + uint8_t rx_hash_key_len; + uint8_t *rx_hash_key; + /* enum ibv_rx_hash_fields */ + uint64_t rx_hash_fields_mask; +}; + struct ibv_qp_init_attr_ex { void *qp_context; struct ibv_cq *send_cq; @@ -736,6 +770,7 @@ struct ibv_qp_init_attr_ex { uint32_t create_flags; uint16_t max_tso_header; struct ibv_rwq_ind_table *rwq_ind_tbl; + struct ibv_rx_hash_conf rx_hash_conf; }; enum ibv_qp_open_attr_mask { |