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authorIsrael Rukshin <israelr@mellanox.com>2019-06-11 18:52:48 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-06-24 17:49:27 +0300
commitb9294f8b7c4bfdad35f4eb8330974892aedd1aaf (patch)
treeead692e69aafd81e037ee54eea2c8121aacadcfa /drivers/infiniband/ulp/iser/iscsi_iser.h
parentb76a439982f8483beb2ffcfe93be50026940030a (diff)
downloadlinux-b9294f8b7c4bfdad35f4eb8330974892aedd1aaf.tar.xz
IB/iser: Unwind WR union at iser_tx_desc
After decreasing WRs array size from 7 to 3 it is more readable to give each WR a descriptive name. Signed-off-by: Israel Rukshin <israelr@mellanox.com> Reviewed-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/ulp/iser/iscsi_iser.h')
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.h34
1 files changed, 6 insertions, 28 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index 6bf9eaa8ec96..39bf213444cb 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -225,12 +225,6 @@ enum iser_desc_type {
ISCSI_TX_DATAOUT
};
-/*
- * Maximum number of work requests per task
- * (invalidate, registration, send)
- */
-#define ISER_MAX_WRS 3
-
/**
* struct iser_tx_desc - iSER TX descriptor
*
@@ -243,8 +237,9 @@ enum iser_desc_type {
* unsolicited data-out or control
* @num_sge: number sges used on this TX task
* @mapped: Is the task header mapped
- * @wr_idx: Current WR index
- * @wrs: Array of WRs per task
+ * reg_wr: registration WR
+ * send_wr: send WR
+ * inv_wr: invalidate WR
*/
struct iser_tx_desc {
struct iser_ctrl iser_header;
@@ -255,11 +250,9 @@ struct iser_tx_desc {
int num_sge;
struct ib_cqe cqe;
bool mapped;
- u8 wr_idx;
- union iser_wr {
- struct ib_send_wr send;
- struct ib_reg_wr fast_reg;
- } wrs[ISER_MAX_WRS];
+ struct ib_reg_wr reg_wr;
+ struct ib_send_wr send_wr;
+ struct ib_send_wr inv_wr;
};
#define ISER_RX_PAD_SIZE (256 - (ISER_RX_PAYLOAD_SIZE + \
@@ -652,21 +645,6 @@ void
iser_reg_desc_put_fmr(struct ib_conn *ib_conn,
struct iser_fr_desc *desc);
-static inline struct ib_send_wr *
-iser_tx_next_wr(struct iser_tx_desc *tx_desc)
-{
- struct ib_send_wr *cur_wr = &tx_desc->wrs[tx_desc->wr_idx].send;
- struct ib_send_wr *last_wr;
-
- if (tx_desc->wr_idx) {
- last_wr = &tx_desc->wrs[tx_desc->wr_idx - 1].send;
- last_wr->next = cur_wr;
- }
- tx_desc->wr_idx++;
-
- return cur_wr;
-}
-
static inline struct iser_conn *
to_iser_conn(struct ib_conn *ib_conn)
{