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path: root/drivers/net/ethernet/cavium
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-rw-r--r--drivers/net/ethernet/cavium/Kconfig12
-rw-r--r--drivers/net/ethernet/cavium/liquidio/lio_main.c5
-rw-r--r--drivers/net/ethernet/cavium/octeon/octeon_mgmt.c14
3 files changed, 21 insertions, 10 deletions
diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig
index 043e3c11c42b..92d88c5f76fb 100644
--- a/drivers/net/ethernet/cavium/Kconfig
+++ b/drivers/net/ethernet/cavium/Kconfig
@@ -15,7 +15,7 @@ if NET_VENDOR_CAVIUM
config THUNDER_NIC_PF
tristate "Thunder Physical function driver"
- depends on 64BIT
+ depends on 64BIT && PCI
select THUNDER_NIC_BGX
---help---
This driver supports Thunder's NIC physical function.
@@ -28,13 +28,13 @@ config THUNDER_NIC_PF
config THUNDER_NIC_VF
tristate "Thunder Virtual function driver"
imply CAVIUM_PTP
- depends on 64BIT
+ depends on 64BIT && PCI
---help---
This driver supports Thunder's NIC virtual function
config THUNDER_NIC_BGX
tristate "Thunder MAC interface driver (BGX)"
- depends on 64BIT
+ depends on 64BIT && PCI
select PHYLIB
select MDIO_THUNDER
select THUNDER_NIC_RGX
@@ -44,7 +44,7 @@ config THUNDER_NIC_BGX
config THUNDER_NIC_RGX
tristate "Thunder MAC interface driver (RGX)"
- depends on 64BIT
+ depends on 64BIT && PCI
select PHYLIB
select MDIO_THUNDER
---help---
@@ -53,7 +53,7 @@ config THUNDER_NIC_RGX
config CAVIUM_PTP
tristate "Cavium PTP coprocessor as PTP clock"
- depends on 64BIT
+ depends on 64BIT && PCI
imply PTP_1588_CLOCK
default y
---help---
@@ -65,7 +65,7 @@ config CAVIUM_PTP
config LIQUIDIO
tristate "Cavium LiquidIO support"
- depends on 64BIT
+ depends on 64BIT && PCI
depends on MAY_USE_DEVLINK
imply PTP_1588_CLOCK
select FW_LOADER
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index 8a815bb57177..7e8454d3b1ad 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -91,6 +91,9 @@ static int octeon_console_debug_enabled(u32 console)
*/
#define LIO_SYNC_OCTEON_TIME_INTERVAL_MS 60000
+/* time to wait for possible in-flight requests in milliseconds */
+#define WAIT_INFLIGHT_REQUEST msecs_to_jiffies(1000)
+
struct lio_trusted_vf_ctx {
struct completion complete;
int status;
@@ -259,7 +262,7 @@ static inline void pcierror_quiesce_device(struct octeon_device *oct)
force_io_queues_off(oct);
/* To allow for in-flight requests */
- schedule_timeout_uninterruptible(100);
+ schedule_timeout_uninterruptible(WAIT_INFLIGHT_REQUEST);
if (wait_for_pending_requests(oct))
dev_err(&oct->pci_dev->dev, "There were pending requests\n");
diff --git a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c
index 3f6afb54a5eb..bb43ddb7539e 100644
--- a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c
+++ b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c
@@ -643,13 +643,21 @@ static int octeon_mgmt_set_mac_address(struct net_device *netdev, void *addr)
static int octeon_mgmt_change_mtu(struct net_device *netdev, int new_mtu)
{
struct octeon_mgmt *p = netdev_priv(netdev);
- int size_without_fcs = new_mtu + OCTEON_MGMT_RX_HEADROOM;
+ int max_packet = new_mtu + ETH_HLEN + ETH_FCS_LEN;
netdev->mtu = new_mtu;
- cvmx_write_csr(p->agl + AGL_GMX_RX_FRM_MAX, size_without_fcs);
+ /* HW lifts the limit if the frame is VLAN tagged
+ * (+4 bytes per each tag, up to two tags)
+ */
+ cvmx_write_csr(p->agl + AGL_GMX_RX_FRM_MAX, max_packet);
+ /* Set the hardware to truncate packets larger than the MTU. The jabber
+ * register must be set to a multiple of 8 bytes, so round up. JABBER is
+ * an unconditional limit, so we need to account for two possible VLAN
+ * tags.
+ */
cvmx_write_csr(p->agl + AGL_GMX_RX_JABBER,
- (size_without_fcs + 7) & 0xfff8);
+ (max_packet + 7 + VLAN_HLEN * 2) & 0xfff8);
return 0;
}