diff options
| author |   Geetha sowjanya <gakula@marvell.com> | 2020-03-02 15:29:01 +0530 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-03-02 11:13:58 -0800 |
| commit | 605a9bbc7f49f1d6fb5a7f2610771573523dc324 (patch) | |
| tree | 4f684501146b9b9563997dece69be8836c463187 /drivers/net | |
| parent | net: thunderx: Adjust CQE_RX drop levels for better performance (diff) | |
| download | linux-dev-605a9bbc7f49f1d6fb5a7f2610771573523dc324.tar.xz linux-dev-605a9bbc7f49f1d6fb5a7f2610771573523dc324.zip | |
net: thunderx: Reduce mbox wait response time.
Replace msleep() with usleep_range() as internally it uses hrtimers.
This will put a cap on maximum wait time.
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nicvf_main.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index 016957285f99..b4b33368698f 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -126,8 +126,7 @@ static void nicvf_write_to_mbx(struct nicvf *nic, union nic_mbx *mbx) int nicvf_send_msg_to_pf(struct nicvf *nic, union nic_mbx *mbx) { - int timeout = NIC_MBOX_MSG_TIMEOUT; - int sleep = 10; + unsigned long timeout; int ret = 0; mutex_lock(&nic->rx_mode_mtx); @@ -137,6 +136,7 @@ int nicvf_send_msg_to_pf(struct nicvf *nic, union nic_mbx *mbx) nicvf_write_to_mbx(nic, mbx); + timeout = jiffies + msecs_to_jiffies(NIC_MBOX_MSG_TIMEOUT); /* Wait for previous message to be acked, timeout 2sec */ while (!nic->pf_acked) { if (nic->pf_nacked) { @@ -146,11 +146,10 @@ int nicvf_send_msg_to_pf(struct nicvf *nic, union nic_mbx *mbx) ret = -EINVAL; break; } - msleep(sleep); + usleep_range(8000, 10000); if (nic->pf_acked) break; - timeout -= sleep; - if (!timeout) { + if (time_after(jiffies, timeout)) { netdev_err(nic->netdev, "PF didn't ACK to mbox msg 0x%02x from VF%d\n", (mbx->msg.msg & 0xFF), nic->vf_id); |