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@xxxxxxxxxxxx>
---
include/infiniband/verbs.h | 37 ++++++++++++++++++++++++++++++++++++-
1 file changed, 36 insertions(+), 1 deletion(-)
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 {
--
1.8.3.1
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
