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)))