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authorDon Skidmore <donald.c.skidmore@intel.com>2015-04-09 22:03:22 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2015-04-09 22:04:22 -0700
commitaa2bacb60963870919ec5bc59ac69f0c31572d26 (patch)
tree28f55aab6d93fc08642c2093135a783f30d23737 /drivers/net
parent322d3ed1679047e4ed0c9997d84acf3cdd4f1d29 (diff)
downloadlinux-aa2bacb60963870919ec5bc59ac69f0c31572d26.tar.bz2
ixgbe: Move bridge mode from flag to variable
We are currently storing our BRIDGE_MODE as a bit in our adapter flags. This patch will store the actual mode instead which minimizes obfuscation and makes following patches for X550 simpler. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe.h3
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c33
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c3
3 files changed, 20 insertions, 19 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 7068e9c3691d..ae5b8b22e7e0 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -642,7 +642,6 @@ struct ixgbe_adapter {
#define IXGBE_FLAG2_RSS_FIELD_IPV4_UDP (u32)(1 << 8)
#define IXGBE_FLAG2_RSS_FIELD_IPV6_UDP (u32)(1 << 9)
#define IXGBE_FLAG2_PTP_PPS_ENABLED (u32)(1 << 10)
-#define IXGBE_FLAG2_BRIDGE_MODE_VEB (u32)(1 << 11)
/* Tx fast path data */
int num_tx_queues;
@@ -722,6 +721,8 @@ struct ixgbe_adapter {
u8 __iomem *io_addr; /* Mainly for iounmap use */
u32 wol;
+ u16 bridge_mode;
+
u16 eeprom_verh;
u16 eeprom_verl;
u16 eeprom_cap;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 395dc6bb5d82..aceb13c7d42c 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3553,7 +3553,7 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter)
IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset ^ 1), reg_offset - 1);
IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), (~0) << vf_shift);
IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset ^ 1), reg_offset - 1);
- if (adapter->flags2 & IXGBE_FLAG2_BRIDGE_MODE_VEB)
+ if (adapter->bridge_mode == BRIDGE_MODE_VEB)
IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
/* Map PF MAC address in RAR Entry 0 to first pool following VFs */
@@ -7886,7 +7886,6 @@ static int ixgbe_ndo_bridge_setlink(struct net_device *dev,
nla_for_each_nested(attr, br_spec, rem) {
__u16 mode;
- u32 reg = 0;
if (nla_type(attr) != IFLA_BRIDGE_MODE)
continue;
@@ -7895,19 +7894,24 @@ static int ixgbe_ndo_bridge_setlink(struct net_device *dev,
return -EINVAL;
mode = nla_get_u16(attr);
- if (mode == BRIDGE_MODE_VEPA) {
- reg = 0;
- adapter->flags2 &= ~IXGBE_FLAG2_BRIDGE_MODE_VEB;
- } else if (mode == BRIDGE_MODE_VEB) {
- reg = IXGBE_PFDTXGSWC_VT_LBEN;
- adapter->flags2 |= IXGBE_FLAG2_BRIDGE_MODE_VEB;
- } else
+ switch (mode) {
+ case BRIDGE_MODE_VEPA:
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_PFDTXGSWC, 0);
+ break;
+ case BRIDGE_MODE_VEB:
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_PFDTXGSWC,
+ IXGBE_PFDTXGSWC_VT_LBEN);
+ break;
+ default:
return -EINVAL;
+ }
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_PFDTXGSWC, reg);
+ adapter->bridge_mode = mode;
e_info(drv, "enabling bridge mode: %s\n",
mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB");
+
+ break;
}
return 0;
@@ -7918,17 +7922,12 @@ static int ixgbe_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
u32 filter_mask)
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
- u16 mode;
if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
return 0;
- if (adapter->flags2 & IXGBE_FLAG2_BRIDGE_MODE_VEB)
- mode = BRIDGE_MODE_VEB;
- else
- mode = BRIDGE_MODE_VEPA;
-
- return ndo_dflt_bridge_getlink(skb, pid, seq, dev, mode, 0, 0);
+ return ndo_dflt_bridge_getlink(skb, pid, seq, dev,
+ adapter->bridge_mode, 0, 0);
}
static void *ixgbe_fwd_add(struct net_device *pdev, struct net_device *vdev)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 09a291bb7c34..2d98ecdbd3d6 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -36,6 +36,7 @@
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/ipv6.h>
+#include <linux/if_bridge.h>
#ifdef NETIF_F_HW_VLAN_CTAG_TX
#include <linux/if_vlan.h>
#endif
@@ -79,7 +80,7 @@ static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter)
/* Initialize default switching mode VEB */
IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
- adapter->flags2 |= IXGBE_FLAG2_BRIDGE_MODE_VEB;
+ adapter->bridge_mode = BRIDGE_MODE_VEB;
/* If call to enable VFs succeeded then allocate memory
* for per VF control structures.