netxen: fix promisc for NX2031.
Kernel crashes, if promisc mode set without disabling rx queue.
Before changing mode in NX2031 chip, wait till rx queue drains.
Signed-off-by: Narender Kumar <narender.kumar@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 3185a98..e2c4a01 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -383,24 +383,51 @@
int netxen_p2_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
{
- __u32 reg;
+ u32 mac_cfg;
+ u32 cnt = 0;
+ __u32 reg = 0x0200;
u32 port = adapter->physical_port;
+ u16 board_type = adapter->ahw.board_type;
if (port > NETXEN_NIU_MAX_XG_PORTS)
return -EINVAL;
- reg = NXRD32(adapter, NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port));
- if (mode == NETXEN_NIU_PROMISC_MODE)
- reg = (reg | 0x2000UL);
- else
- reg = (reg & ~0x2000UL);
+ mac_cfg = NXRD32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port));
+ mac_cfg &= ~0x4;
+ NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
- if (mode == NETXEN_NIU_ALLMULTI_MODE)
- reg = (reg | 0x1000UL);
- else
- reg = (reg & ~0x1000UL);
+ if ((board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) ||
+ (board_type == NETXEN_BRDTYPE_P2_SB31_10G_HMEZ))
+ reg = (0x20 << port);
- NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg);
+ NXWR32(adapter, NETXEN_NIU_FRAME_COUNT_SELECT, reg);
+
+ mdelay(10);
+
+ while (NXRD32(adapter, NETXEN_NIU_FRAME_COUNT) && ++cnt < 20)
+ mdelay(10);
+
+ if (cnt < 20) {
+
+ reg = NXRD32(adapter,
+ NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port));
+
+ if (mode == NETXEN_NIU_PROMISC_MODE)
+ reg = (reg | 0x2000UL);
+ else
+ reg = (reg & ~0x2000UL);
+
+ if (mode == NETXEN_NIU_ALLMULTI_MODE)
+ reg = (reg | 0x1000UL);
+ else
+ reg = (reg & ~0x1000UL);
+
+ NXWR32(adapter,
+ NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg);
+ }
+
+ mac_cfg |= 0x4;
+ NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg);
return 0;
}