提交 87528227 编写于 作者: E Eli Dorfman 提交者: Roland Dreier

IB/iser: Count FMR alignment violations per session

Count FMR alignment violations per session as part of the iscsi
statistics.
Signed-off-by: NEli Dorfman <elid@voltaire.com>
Signed-off-by: NRoland Dreier <rolandd@cisco.com>
上级 6f735e36
......@@ -473,13 +473,15 @@ iscsi_iser_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *s
stats->r2t_pdus = conn->r2t_pdus_cnt; /* always 0 */
stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt;
stats->custom_length = 3;
stats->custom_length = 4;
strcpy(stats->custom[0].desc, "qp_tx_queue_full");
stats->custom[0].value = 0; /* TB iser_conn->qp_tx_queue_full; */
strcpy(stats->custom[1].desc, "fmr_map_not_avail");
stats->custom[1].value = 0; /* TB iser_conn->fmr_map_not_avail */;
strcpy(stats->custom[2].desc, "eh_abort_cnt");
stats->custom[2].value = conn->eh_abort_cnt;
strcpy(stats->custom[3].desc, "fmr_unalign_cnt");
stats->custom[3].value = conn->fmr_unalign_cnt;
}
static int
......
......@@ -423,6 +423,7 @@ void iser_dma_unmap_task_data(struct iscsi_iser_cmd_task *iser_ctask)
int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask,
enum iser_data_dir cmd_dir)
{
struct iscsi_conn *iscsi_conn = iser_ctask->iser_conn->iscsi_conn;
struct iser_conn *ib_conn = iser_ctask->iser_conn->ib_conn;
struct iser_device *device = ib_conn->device;
struct ib_device *ibdev = device->ib_device;
......@@ -437,6 +438,7 @@ int iser_reg_rdma_mem(struct iscsi_iser_cmd_task *iser_ctask,
aligned_len = iser_data_buf_aligned_len(mem, ibdev);
if (aligned_len != mem->dma_nents) {
iscsi_conn->fmr_unalign_cnt++;
iser_warn("rdma alignment violation %d/%d aligned\n",
aligned_len, mem->size);
iser_data_buf_dump(mem, ibdev);
......
......@@ -225,6 +225,7 @@ struct iscsi_conn {
/* custom statistics */
uint32_t eh_abort_cnt;
uint32_t fmr_unalign_cnt;
};
struct iscsi_pool {
......
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