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john t <[EMAIL PROTECTED]> wrote:
Hi,In the example code there are things like:attr.max_dest_rd_atomic = 1;attr.min_rnr_timer = 12;attr.ah_attr.is_global = 0;attr.ah_attr.sl = 0;attr.ah_attr.src_path_bits = 0;attr.timeout = 14;attr.retry_cnt = 7;attr.rnr_retry = 7;attr.max_rd_atomic = 1;initattr.cap.max_recv_wr = 1; /* I guess this specifies the length of recv q */initattr.cap.max_send_wr = tx_depth; /* I guess this specifies the length of send q */initattr.cap.max_inline_data = MAX_INLINE; /* 400 */attr.pkey_index = 0;What is the meaning of above fields or where can I find the definition of above fields ? Can I change the value of fields like "timeout" or should it be always set to a fixed value.Like TCP I guess there would be a state transition diagram for IB (QP state machine). Can someone point me to that?In my application, I get an error message "IBV_WC_WR_FLUSH_ERR" and sometimes "IBV_WC_RETRY_EXC_ERR" while polling a CQ after posting some write commands. What could be the reason for that ?Also, can someone point me to a document where I can find the meaning of different error status values (enum ibv_wc_status) returned by "ibv_poll_cq"Regards,John T_______________________________________________
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