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be2net: don't report EVB for older chipsets when SR-IOV is disabled
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The EVB (virtual bridge) functionality should be disabled on older BE3
and Lancer chips if SR-IOV is disabled in the NIC's BIOS. This setting
is identified by the zero value of total VFs reported by the card.
The GET_HSW_CONFIG command cannot be used as it is not supported by
these older chipset's FW.

v2: added the comment

Cc: Sathya Perla <sathya.perla@broadcom.com>
Cc: Ajit Khaparde <ajit.khaparde@broadcom.com>
Cc: Padmanabh Ratnakar <padmanabh.ratnakar@broadcom.com>
Cc: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Cc: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Acked-by: Sathya Perla <sathya.perla@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ivan Vecera authored and David S. Miller committed Feb 11, 2016
1 parent 6dca8d4 commit 8431706
Showing 1 changed file with 3 additions and 0 deletions.
3 changes: 3 additions & 0 deletions drivers/net/ethernet/emulex/benet/be_main.c
Original file line number Diff line number Diff line change
Expand Up @@ -4617,6 +4617,9 @@ static int be_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,

/* BE and Lancer chips support VEB mode only */
if (BEx_chip(adapter) || lancer_chip(adapter)) {
/* VEB is disabled in non-SR-IOV profiles on BE3/Lancer */
if (!pci_sriov_get_totalvfs(adapter->pdev))
return 0;
hsw_mode = PORT_FWD_TYPE_VEB;
} else {
status = be_cmd_get_hsw_config(adapter, NULL, 0,
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