On 01/12/2014 06:42 PM, Jayamohan Kallickal wrote:
>
> diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
> index 0076119..d21ad9e 100644
> --- a/drivers/scsi/be2iscsi/be_main.h
> +++ b/drivers/scsi/be2iscsi/be_main.h
> @@ -449,6 +449,25 @@ struct beiscsi_conn {
> struct sgl_handle *plogin_sgl_handle;
> struct beiscsi_session *beiscsi_sess;
> struct iscsi_task *task;
> +
> + /* CXN statistics */
> + /* Xmit Counters */
> + uint32_t noptx_pdus;
> + uint32_t login_pdus;
> + uint32_t text_pdus;
> + uint32_t logout_pdus;
> + uint32_t snack_pdus;
> +
> + /* Rx Counters */
> + uint32_t noprx_pdus;
> + uint32_t textrsp_pdus;
> + uint32_t logoutrsp_pdus;
> + uint32_t async_pdus;
> + uint32_t rjt_pdus;
> +
> + /* Error Counters */
> + uint32_t digest_err;
> + uint32_t format_err;
> };
>
You should put these on the iscsi_conn struct then have
__iscsi_complete_pdu handle the counters.
libiscsi should then also setup processing of those stats. You should
make a libiscsi helper which the drivers call. See iscsi_tcp
iscsi_sw_tcp_conn_get_stats call to iscsi_tcp_conn_get_stats for an
example for how it is done with libiscsi_tcp and lower level stats it
manages.
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