From: Nikolay Assa <nassa@xxxxxxxxxxx>
Update TCP silly-window-syndrome timeout, for the cases where
initiator's small TCP window size prevents FW from transmitting
packets on the connection. Timeout causes FW to retransmit
window probes if needed, preventing I/O stall if initiator ignores
first window probe.
Reviewed-by: Manish Rangankar <mrangankar@xxxxxxxxxxx>
Signed-off-by: Nikolay Assa <nassa@xxxxxxxxxxx>
Signed-off-by: Ariel Elior <aelior@xxxxxxxxxxx>
Signed-off-by: Shai Malin <smalin@xxxxxxxxxxx>
Signed-off-by: Omkar Kulkarni <okulkarni@xxxxxxxxxxx>
Signed-off-by: Prabhakar Kushwaha <pkushwaha@xxxxxxxxxxx>
---
drivers/net/ethernet/qlogic/qed/qed_iwarp.c | 1 +
drivers/scsi/qedi/qedi_main.c | 1 +
include/linux/qed/qed_if.h | 2 ++
3 files changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
index 186d0048a9d1..b2c0e522e51f 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
@@ -114,6 +114,7 @@ qed_iwarp_init_fw_ramrod(struct qed_hwfn *p_hwfn,
RESC_START(p_hwfn, QED_LL2_RAM_QUEUE) +
p_hwfn->p_rdma_info->iwarp.ll2_ooo_handle;
+ p_ramrod->tcp.tx_sws_timer = cpu_to_le16(QED_TX_SWS_TIMER_DFLT);
p_ramrod->tcp.max_fin_rt = QED_IWARP_MAX_FIN_RT_DEFAULT;
return;
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index fe36ddb82aef..8c2f32655424 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -866,6 +866,7 @@ static int qedi_set_iscsi_pf_param(struct qedi_ctx *qedi)
qedi->pf_params.iscsi_pf_params.num_queues = qedi->num_queues;
qedi->pf_params.iscsi_pf_params.debug_mode = qedi_fw_debug;
qedi->pf_params.iscsi_pf_params.two_msl_timer = 4000;
+ qedi->pf_params.iscsi_pf_params.tx_sws_timer = QED_TX_SWS_TIMER_DFLT;
qedi->pf_params.iscsi_pf_params.max_fin_rt = 2;
for (log_page_size = 0 ; log_page_size < 32 ; log_page_size++) {
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index 4dcd0d37a521..07f8d19421ab 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -24,6 +24,8 @@
#include <linux/io-64-nonatomic-lo-hi.h>
#include <net/devlink.h>
+#define QED_TX_SWS_TIMER_DFLT 500
+
enum dcbx_protocol_type {
DCBX_PROTOCOL_ISCSI,
DCBX_PROTOCOL_FCOE,
--
2.24.1
