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authorDavid S. Miller <davem@davemloft.net>2020-03-02 22:13:58 +0300
committerDavid S. Miller <davem@davemloft.net>2020-03-02 22:13:58 +0300
commit6f2f92a9d04d0f81d3ed59832a852ccc10975f63 (patch)
tree813d910f021053a6b858eb267554508401d275d8
parentaeaf0cc5b7b4ac37d782aa999d41b2cb68377e1b (diff)
parentaa3afccc9adfff27dbb8f1b92912adbdffa86561 (diff)
downloadlinux-6f2f92a9d04d0f81d3ed59832a852ccc10975f63.tar.xz
Merge branch 'net-thunderx-Miscellaneous-changes'
Sunil Goutham says: ==================== net: thunderx: Miscellaneous changes This patchset has changes wrt driver performance optimization, load time optimization. And a change to PCI device regiatration table for timestamp device. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/cavium/common/cavium_ptp.c10
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_main.c9
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_queues.h4
3 files changed, 15 insertions, 8 deletions
diff --git a/drivers/net/ethernet/cavium/common/cavium_ptp.c b/drivers/net/ethernet/cavium/common/cavium_ptp.c
index b821c9e1604c..81ff9ac73f9a 100644
--- a/drivers/net/ethernet/cavium/common/cavium_ptp.c
+++ b/drivers/net/ethernet/cavium/common/cavium_ptp.c
@@ -13,6 +13,9 @@
#define DRV_NAME "cavium_ptp"
#define PCI_DEVICE_ID_CAVIUM_PTP 0xA00C
+#define PCI_SUBSYS_DEVID_88XX_PTP 0xA10C
+#define PCI_SUBSYS_DEVID_81XX_PTP 0XA20C
+#define PCI_SUBSYS_DEVID_83XX_PTP 0xA30C
#define PCI_DEVICE_ID_CAVIUM_RST 0xA00E
#define PCI_PTP_BAR_NO 0
@@ -321,7 +324,12 @@ static void cavium_ptp_remove(struct pci_dev *pdev)
}
static const struct pci_device_id cavium_ptp_id_table[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVICE_ID_CAVIUM_PTP) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVICE_ID_CAVIUM_PTP,
+ PCI_VENDOR_ID_CAVIUM, PCI_SUBSYS_DEVID_88XX_PTP) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVICE_ID_CAVIUM_PTP,
+ PCI_VENDOR_ID_CAVIUM, PCI_SUBSYS_DEVID_81XX_PTP) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM, PCI_DEVICE_ID_CAVIUM_PTP,
+ PCI_VENDOR_ID_CAVIUM, PCI_SUBSYS_DEVID_83XX_PTP) },
{ 0, }
};
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);
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
index bc2427c49b89..2460451fc48f 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
@@ -100,8 +100,8 @@
* RED accepts pkt if unused CQE < 2304 & >= 2560
* DROPs pkts if unused CQE < 2304
*/
-#define RQ_PASS_CQ_LVL 192ULL
-#define RQ_DROP_CQ_LVL 184ULL
+#define RQ_PASS_CQ_LVL 224ULL
+#define RQ_DROP_CQ_LVL 216ULL
/* RED and Backpressure levels of RBDR for pkt reception
* For RBDR, level is a measure of fullness i.e 0x0 means empty