diff options
| author | Akeem G. Abodunrin <akeem.g.abodunrin@intel.com> | 2011-09-08 20:39:48 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-10-12 22:50:21 -0700 |
| commit | ca2e3e7ec98937e12df4bbdcc9a367b8768290ce (patch) | |
| tree | f87b8951918418d92f944c9dc5f730f6f1e2e7c3 | |
| parent | bed45a6ed51d00007f5eb6d75560218ddcecfe51 (diff) | |
| download | linux-ca2e3e7ec98937e12df4bbdcc9a367b8768290ce.tar.bz2 | |
igb: Loopback functionality supports for i350 devices
This patch adds VMDq loopback pf support for i350 devices. The patch
is necessary since the register that enabled loopback was moved and
renamed from DTXSWC to TXSWC.
Signed-off-by: "Akeem G. Abodunrin" <akeem.g.abodunrin@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_82575.c | 29 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_regs.h | 1 |
2 files changed, 24 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 3771bd20f437..6580cea796c5 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -1580,14 +1580,31 @@ void igb_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf) **/ void igb_vmdq_set_loopback_pf(struct e1000_hw *hw, bool enable) { - u32 dtxswc = rd32(E1000_DTXSWC); + u32 dtxswc; + + switch (hw->mac.type) { + case e1000_82576: + dtxswc = rd32(E1000_DTXSWC); + if (enable) + dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN; + else + dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN; + wr32(E1000_DTXSWC, dtxswc); + break; + case e1000_i350: + dtxswc = rd32(E1000_TXSWC); + if (enable) + dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN; + else + dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN; + wr32(E1000_TXSWC, dtxswc); + break; + default: + /* Currently no other hardware supports loopback */ + break; + } - if (enable) - dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN; - else - dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN; - wr32(E1000_DTXSWC, dtxswc); } /** diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h index 0990f6d860c7..0a860bc1198e 100644 --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -318,6 +318,7 @@ #define E1000_RPLOLR 0x05AF0 /* Replication Offload - RW */ #define E1000_UTA 0x0A000 /* Unicast Table Array - RW */ #define E1000_IOVTCL 0x05BBC /* IOV Control Register */ +#define E1000_TXSWC 0x05ACC /* Tx Switch Control */ /* These act per VF so an array friendly macro is used */ #define E1000_P2VMAILBOX(_n) (0x00C00 + (4 * (_n))) #define E1000_VMBMEM(_n) (0x00800 + (64 * (_n))) |