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Commit 11a85d75 authored by Yuval Mintz's avatar Yuval Mintz Committed by David S. Miller
Browse files

qed: Prevent VFs from pause flooding 



Firmware would silently drop any control frame sent by VF to prevent
a malicious VF from generating pause flood in the network.

Signed-off-by: default avatarYuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a044df83

drivers/net/ethernet/qlogic/qed/qed_l2.c

+3 −0
Original line number Diff line number Diff line
@@ -101,6 +101,9 @@ int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn, 


	p_ramrod->tx_switching_en = p_params->tx_switching;



	p_ramrod->ctl_frame_mac_check_en = !!p_params->check_mac;

	p_ramrod->ctl_frame_ethtype_check_en = !!p_params->check_ethtype;



	/* Software Function ID in hwfn (PFs are 0 - 15, VFs are 16 - 135) */

	p_ramrod->sw_fid = qed_concrete_to_sw_fid(p_hwfn->cdev,

						  p_params->concrete_fid);

drivers/net/ethernet/qlogic/qed/qed_l2.h

+2 −0
Original line number Diff line number Diff line
@@ -102,6 +102,8 @@ struct qed_sp_vport_start_params { 
	u16 opaque_fid;

	u8 vport_id;

	u16 mtu;

	bool check_mac;

	bool check_ethtype;

};



int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,

drivers/net/ethernet/qlogic/qed/qed_sriov.c

+1 −0
Original line number Diff line number Diff line
@@ -1680,6 +1680,7 @@ static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn, 
	params.vport_id = vf->vport_id;

	params.max_buffers_per_cqe = start->max_buffers_per_cqe;

	params.mtu = vf->mtu;

	params.check_mac = true;



	rc = qed_sp_eth_vport_start(p_hwfn, &params);

	if (rc) {