From: Mintz, Yuval Date: Sun, 19 Mar 2017 11:08:20 +0000 (+0200) Subject: qed: Always publish VF link from leading hwfn X-Git-Tag: v4.9.89~193 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=82ca25fbd07c8572526ef6e584c09a4260b610c3;p=platform%2Fkernel%2Flinux-amlogic.git qed: Always publish VF link from leading hwfn [ Upstream commit e50728effe1126eae39445ba144078b1305b7047 ] The link information exists only on the leading hwfn, but some of its derivatives [e.g., min/max rate] need to be configured for each hwfn. When re-basing the VF link view, use the leading hwfn information as basis for all existing hwfns to allow said configurations to stick. Signed-off-by: Yuval Mintz Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c index d2d6621fe0e5..48bc5c151336 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -3573,6 +3573,7 @@ static int qed_get_vf_config(struct qed_dev *cdev, void qed_inform_vf_link_state(struct qed_hwfn *hwfn) { + struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev); struct qed_mcp_link_capabilities caps; struct qed_mcp_link_params params; struct qed_mcp_link_state link; @@ -3589,9 +3590,15 @@ void qed_inform_vf_link_state(struct qed_hwfn *hwfn) if (!vf_info) continue; - memcpy(¶ms, qed_mcp_get_link_params(hwfn), sizeof(params)); - memcpy(&link, qed_mcp_get_link_state(hwfn), sizeof(link)); - memcpy(&caps, qed_mcp_get_link_capabilities(hwfn), + /* Only hwfn0 is actually interested in the link speed. + * But since only it would receive an MFW indication of link, + * need to take configuration from it - otherwise things like + * rate limiting for hwfn1 VF would not work. + */ + memcpy(¶ms, qed_mcp_get_link_params(lead_hwfn), + sizeof(params)); + memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link)); + memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn), sizeof(caps)); /* Modify link according to the VF's configured link state */