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path: root/net/smc/smc_wr.c
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Diffstat (limited to 'net/smc/smc_wr.c')
-rw-r--r--net/smc/smc_wr.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/smc/smc_wr.c b/net/smc/smc_wr.c
index 24be1d03fef9..b0678a417e09 100644
--- a/net/smc/smc_wr.c
+++ b/net/smc/smc_wr.c
@@ -454,6 +454,7 @@ static inline void smc_wr_rx_process_cqes(struct ib_wc wc[], int num)
for (i = 0; i < num; i++) {
link = wc[i].qp->qp_context;
+ link->wr_rx_id_compl = wc[i].wr_id;
if (wc[i].status == IB_WC_SUCCESS) {
link->wr_rx_tstamp = jiffies;
smc_wr_rx_demultiplex(&wc[i]);
@@ -465,6 +466,8 @@ static inline void smc_wr_rx_process_cqes(struct ib_wc wc[], int num)
case IB_WC_RNR_RETRY_EXC_ERR:
case IB_WC_WR_FLUSH_ERR:
smcr_link_down_cond_sched(link);
+ if (link->wr_rx_id_compl == link->wr_rx_id)
+ wake_up(&link->wr_rx_empty_wait);
break;
default:
smc_wr_rx_post(link); /* refill WR RX */
@@ -554,10 +557,11 @@ void smc_wr_remember_qp_attr(struct smc_link *lnk)
static void smc_wr_init_sge(struct smc_link *lnk)
{
int sges_per_buf = (lnk->lgr->smc_version == SMC_V2) ? 2 : 1;
+ bool send_inline = (lnk->qp_attr.cap.max_inline_data > SMC_WR_TX_SIZE);
u32 i;
for (i = 0; i < lnk->wr_tx_cnt; i++) {
- lnk->wr_tx_sges[i].addr =
+ lnk->wr_tx_sges[i].addr = send_inline ? (uintptr_t)(&lnk->wr_tx_bufs[i]) :
lnk->wr_tx_dma_addr + i * SMC_WR_BUF_SIZE;
lnk->wr_tx_sges[i].length = SMC_WR_TX_SIZE;
lnk->wr_tx_sges[i].lkey = lnk->roce_pd->local_dma_lkey;
@@ -575,6 +579,8 @@ static void smc_wr_init_sge(struct smc_link *lnk)
lnk->wr_tx_ibs[i].opcode = IB_WR_SEND;
lnk->wr_tx_ibs[i].send_flags =
IB_SEND_SIGNALED | IB_SEND_SOLICITED;
+ if (send_inline)
+ lnk->wr_tx_ibs[i].send_flags |= IB_SEND_INLINE;
lnk->wr_tx_rdmas[i].wr_tx_rdma[0].wr.opcode = IB_WR_RDMA_WRITE;
lnk->wr_tx_rdmas[i].wr_tx_rdma[1].wr.opcode = IB_WR_RDMA_WRITE;
lnk->wr_tx_rdmas[i].wr_tx_rdma[0].wr.sg_list =
@@ -636,6 +642,7 @@ void smc_wr_free_link(struct smc_link *lnk)
return;
ibdev = lnk->smcibdev->ibdev;
+ smc_wr_drain_cq(lnk);
smc_wr_wakeup_reg_wait(lnk);
smc_wr_wakeup_tx_wait(lnk);
@@ -886,6 +893,7 @@ int smc_wr_create_link(struct smc_link *lnk)
atomic_set(&lnk->wr_tx_refcnt, 0);
init_waitqueue_head(&lnk->wr_reg_wait);
atomic_set(&lnk->wr_reg_refcnt, 0);
+ init_waitqueue_head(&lnk->wr_rx_empty_wait);
return rc;
dma_unmap: