bnxt_re/lib: Add WR API send functions

Add the support for the following WR API send functions - wr_rdma_write - wr_rdma_write_imm - wr_send - wr_send_imm - wr_rdma_read - wr_atomic_cmp_swp - wr_atomic_fetch_add Signed-off-by: Chandramohan Akula <[email protected]> Signed-off-by: Selvin Xavier <[email protected]>
linux-rdma · Jan 8, 2025 · 10e2f7f · 10e2f7f
1 parent 22beb6f
commit 10e2f7f
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diff --git a/providers/bnxt_re/main.c b/providers/bnxt_re/main.c
@@ -119,6 +119,8 @@ static const struct verbs_context_ops bnxt_re_cntx_ops = {
 	.create_ah     = bnxt_re_create_ah,
 	.destroy_ah    = bnxt_re_destroy_ah,
 	.free_context  = bnxt_re_free_context,
+
+	.create_qp_ex  = bnxt_re_create_qp_ex,
 };
 
 static inline bool bnxt_re_is_chip_gen_p7(struct bnxt_re_chip_ctx *cctx)

diff --git a/providers/bnxt_re/main.h b/providers/bnxt_re/main.h
@@ -186,6 +186,24 @@ struct bnxt_re_joint_queue {
 	uint32_t last_idx;
 };
 
+/* WR API post send data */
+struct bnxt_re_wr_send_qp {
+	struct bnxt_re_bsqe     *cur_hdr;
+	struct bnxt_re_send     *cur_sqe;
+	uint32_t                cur_wqe_cnt;
+	uint32_t                cur_slot_cnt;
+	uint32_t                cur_swq_idx;
+	uint8_t                 cur_opcode;
+	bool                    cur_push_wqe;
+	unsigned int            cur_push_size;
+	int                     error;
+};
+
+#define STATIC_WQE_NUM_SLOTS	8
+#define SEND_SGE_MIN_SLOTS	3
+#define MSG_LEN_ADJ_TO_BYTES	15
+#define SLOTS_RSH_TO_NUM_WQE	4
+
 struct bnxt_re_qp {
 	struct verbs_qp vqp;
 	struct ibv_qp *ibvqp;
@@ -214,6 +232,7 @@ struct bnxt_re_qp {
 	uint16_t max_push_sz;
 	uint8_t qptyp;
 	struct bnxt_re_mem *mem;
+	struct bnxt_re_wr_send_qp wr_sq;
 };
 
 struct bnxt_re_mr {