Commit 757c5304 authored by Bruce Allan's avatar Bruce Allan Committed by David S. Miller
Browse files

e1000e: Remove EN_MAC_ADDR_FILTER check from enable_mng_pass_thru check 



Patch addresses issues when manageability passthrough is enabled, but the
MAC_ADDR_FILTER bit is not set in the MANC register.

Signed-off-by: default avatarBruce Allan <bruce.w.allan@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9c5e209d

drivers/net/e1000e/lib.c

+4 −4
Original line number Diff line number Diff line
@@ -2515,10 +2515,11 @@ s32 e1000e_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length) 
}



/**

 *  e1000e_enable_mng_pass_thru - Enable processing of ARP's

 *  e1000e_enable_mng_pass_thru - Check if management passthrough is needed

 *  @hw: pointer to the HW structure

 *

 *  Verifies the hardware needs to allow ARPs to be processed by the host.

 *  Verifies the hardware needs to leave interface enabled so that frames can

 *  be directed to and from the management interface.

 **/

bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw)

{
@@ -2528,8 +2529,7 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw) 


	manc = er32(MANC);



	if (!(manc & E1000_MANC_RCV_TCO_EN) ||

	    !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))

	if (!(manc & E1000_MANC_RCV_TCO_EN))

		return ret_val;



	if (hw->mac.arc_subsystem_valid) {

CRA Git | Maintained and supported by SUSTech CRA and CCSE