From: Varun Prakash <varun@chelsio.com>
To: martin.petersen@oracle.com
Cc: linux-scsi@vger.kernel.org, indranil@chelsio.com, varun@chelsio.com
Subject: [PATCH] scsi: cxgb4i: assign rxqs in round robin mode
Date: Thu, 22 Jun 2017 15:47:49 +0530 [thread overview]
Message-ID: <1498126669-5654-1-git-send-email-varun@chelsio.com> (raw)
Assign rxq to TCP connections in round robin mode
to use all available rxqs.
Signed-off-by: Varun Prakash <varun@chelsio.com>
---
drivers/scsi/cxgbi/cxgb4i/cxgb4i.c | 5 ++++-
drivers/scsi/cxgbi/libcxgbi.h | 1 +
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
index 0aae094..fa99471 100644
--- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
+++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
@@ -1606,6 +1606,7 @@ static int init_act_open(struct cxgbi_sock *csk)
struct neighbour *n = NULL;
void *daddr;
unsigned int step;
+ unsigned int rxq_idx;
unsigned int size, size6;
unsigned int linkspeed;
unsigned int rcv_winf, snd_winf;
@@ -1684,7 +1685,9 @@ static int init_act_open(struct cxgbi_sock *csk)
step = lldi->ntxq / lldi->nchan;
csk->txq_idx = cxgb4_port_idx(ndev) * step;
step = lldi->nrxq / lldi->nchan;
- csk->rss_qid = lldi->rxq_ids[cxgb4_port_idx(ndev) * step];
+ rxq_idx = (cxgb4_port_idx(ndev) * step) + (cdev->rxq_idx_cntr % step);
+ cdev->rxq_idx_cntr++;
+ csk->rss_qid = lldi->rxq_ids[rxq_idx];
linkspeed = ((struct port_info *)netdev_priv(ndev))->link_cfg.speed;
csk->snd_win = cxgb4i_snd_win;
csk->rcv_win = cxgb4i_rcv_win;
diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h
index 37f07aa..31a5816 100644
--- a/drivers/scsi/cxgbi/libcxgbi.h
+++ b/drivers/scsi/cxgbi/libcxgbi.h
@@ -477,6 +477,7 @@ struct cxgbi_device {
unsigned int skb_rx_extra; /* for msg coalesced mode */
unsigned int tx_max_size;
unsigned int rx_max_size;
+ unsigned int rxq_idx_cntr;
struct cxgbi_ports_map pmap;
void (*dev_ddp_cleanup)(struct cxgbi_device *);
--
2.0.2
next reply other threads:[~2017-06-22 10:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-22 10:17 Varun Prakash [this message]
2017-06-26 17:29 ` [PATCH] scsi: cxgb4i: assign rxqs in round robin mode Martin K. Petersen
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