From: Nikolay Assa Date: Mon, 4 Oct 2021 06:58:49 +0000 (+0300) Subject: qed: Update TCP silly-window-syndrome timeout for iwarp, scsi X-Git-Tag: v6.6.17~8953^2~291^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3a6f5d0cbda37f24f60ca778bd1675125b7d594f;p=platform%2Fkernel%2Flinux-rpi.git qed: Update TCP silly-window-syndrome timeout for iwarp, scsi 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 Signed-off-by: Nikolay Assa Signed-off-by: Ariel Elior Signed-off-by: Shai Malin Signed-off-by: Omkar Kulkarni Signed-off-by: Prabhakar Kushwaha Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c index 186d004..b2c0e52 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 fe36ddb..8c2f326 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 4dcd0d37..07f8d19 100644 --- a/include/linux/qed/qed_if.h +++ b/include/linux/qed/qed_if.h @@ -24,6 +24,8 @@ #include #include +#define QED_TX_SWS_TIMER_DFLT 500 + enum dcbx_protocol_type { DCBX_PROTOCOL_ISCSI, DCBX_PROTOCOL_FCOE,