6 files changed, 119 insertions, 7 deletions

diff --git a/drivers/net/qede/base/ecore_dev.c b/drivers/net/qede/base/ecore_dev.c
index 9affcbc9..092606be 100644
--- a/drivers/net/qede/base/ecore_dev.c
+++ b/drivers/net/qede/base/ecore_dev.c
@@ -2423,9 +2423,8 @@ enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
 			}
 		}
 
-		/* Log and clean previous pglue_b errors if such exist */
+		/* Log and clear previous pglue_b errors if such exist */
 		ecore_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_main_ptt);
-		ecore_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
 
 		/* Enable the PF's internal FID_enable in the PXP */
 		rc = ecore_pglueb_set_pfid_enable(p_hwfn, p_hwfn->p_main_ptt,
@@ -2433,6 +2432,13 @@ enum _ecore_status_t ecore_hw_init(struct ecore_dev *p_dev,
 		if (rc != ECORE_SUCCESS)
 			goto load_err;
 
+		/* Clear the pglue_b was_error indication.
+		 * In E4 it must be done after the BME and the internal
+		 * FID_enable for the PF are set, since VDMs may cause the
+		 * indication to be set again.
+		 */
+		ecore_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt);
+
 		switch (load_code) {
 		case FW_MSG_CODE_DRV_LOAD_ENGINE:
 			rc = ecore_hw_init_common(p_hwfn, p_hwfn->p_main_ptt,
diff --git a/drivers/net/qede/base/ecore_int.c b/drivers/net/qede/base/ecore_int.c
index e6cef85b..61e36a43 100644
--- a/drivers/net/qede/base/ecore_int.c
+++ b/drivers/net/qede/base/ecore_int.c
@@ -231,15 +231,19 @@ static const char *grc_timeout_attn_master_to_str(u8 master)
 
 static enum _ecore_status_t ecore_grc_attn_cb(struct ecore_hwfn *p_hwfn)
 {
+	enum _ecore_status_t rc = ECORE_SUCCESS;
 	u32 tmp, tmp2;
 
 	/* We've already cleared the timeout interrupt register, so we learn
-	 * of interrupts via the validity register
+	 * of interrupts via the validity register.
+	 * Any attention which is not for a timeout event is treated as fatal.
 	 */
 	tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
 		       GRC_REG_TIMEOUT_ATTN_ACCESS_VALID);
-	if (!(tmp & ECORE_GRC_ATTENTION_VALID_BIT))
+	if (!(tmp & ECORE_GRC_ATTENTION_VALID_BIT)) {
+		rc = ECORE_INVAL;
 		goto out;
+	}
 
 	/* Read the GRC timeout information */
 	tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
@@ -263,11 +267,11 @@ static enum _ecore_status_t ecore_grc_attn_cb(struct ecore_hwfn *p_hwfn)
 		  (tmp2 & ECORE_GRC_ATTENTION_VF_MASK) >>
 		  ECORE_GRC_ATTENTION_VF_SHIFT);
 
-out:
-	/* Regardles of anything else, clean the validity bit */
+	/* Clean the validity bit */
 	ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt,
 		 GRC_REG_TIMEOUT_ATTN_ACCESS_VALID, 0);
-	return ECORE_SUCCESS;
+out:
+	return rc;
 }
 
 #define ECORE_PGLUE_ATTENTION_VALID (1 << 29)
diff --git a/drivers/net/qede/base/ecore_sriov.c b/drivers/net/qede/base/ecore_sriov.c
index 68f40f8a..1c885e1c 100644
--- a/drivers/net/qede/base/ecore_sriov.c
+++ b/drivers/net/qede/base/ecore_sriov.c
@@ -61,6 +61,8 @@ const char *ecore_channel_tlvs_string[] = {
 	"CHANNEL_TLV_COALESCE_UPDATE",
 	"CHANNEL_TLV_QID",
 	"CHANNEL_TLV_COALESCE_READ",
+	"CHANNEL_TLV_BULLETIN_UPDATE_MAC",
+	"CHANNEL_TLV_UPDATE_MTU",
 	"CHANNEL_TLV_MAX"
 };
 
@@ -2854,6 +2856,45 @@ out:
 			       length, status);
 }
 
+static enum _ecore_status_t
+ecore_iov_vf_pf_update_mtu(struct ecore_hwfn *p_hwfn,
+				    struct ecore_ptt *p_ptt,
+				    struct ecore_vf_info *p_vf)
+{
+	struct ecore_iov_vf_mbx *mbx = &p_vf->vf_mbx;
+	struct ecore_sp_vport_update_params params;
+	enum _ecore_status_t rc = ECORE_SUCCESS;
+	struct vfpf_update_mtu_tlv *p_req;
+	u8 status = PFVF_STATUS_SUCCESS;
+
+	/* Valiate PF can send such a request */
+	if (!p_vf->vport_instance) {
+		DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
+			   "No VPORT instance available for VF[%d], failing MTU update\n",
+			   p_vf->abs_vf_id);
+		status = PFVF_STATUS_FAILURE;
+		goto send_status;
+	}
+
+	p_req = &mbx->req_virt->update_mtu;
+
+	OSAL_MEMSET(&params, 0, sizeof(params));
+	params.opaque_fid =  p_vf->opaque_fid;
+	params.vport_id = p_vf->vport_id;
+	params.mtu = p_req->mtu;
+	rc = ecore_sp_vport_update(p_hwfn, &params, ECORE_SPQ_MODE_EBLOCK,
+				   OSAL_NULL);
+
+	if (rc)
+		status = PFVF_STATUS_FAILURE;
+send_status:
+	ecore_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
+			       CHANNEL_TLV_UPDATE_MTU,
+			       sizeof(struct pfvf_def_resp_tlv),
+			       status);
+	return rc;
+}
+
 void *ecore_iov_search_list_tlvs(struct ecore_hwfn *p_hwfn,
 				 void *p_tlvs_list, u16 req_type)
 {
@@ -4136,6 +4177,9 @@ void ecore_iov_process_mbx_req(struct ecore_hwfn *p_hwfn,
 		case CHANNEL_TLV_COALESCE_READ:
 			ecore_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
 			break;
+		case CHANNEL_TLV_UPDATE_MTU:
+			ecore_iov_vf_pf_update_mtu(p_hwfn, p_ptt, p_vf);
+			break;
 		}
 	} else if (ecore_iov_tlv_supported(mbx->first_tlv.tl.type)) {
 		/* If we've received a message from a VF we consider malicious
diff --git a/drivers/net/qede/base/ecore_vf.c b/drivers/net/qede/base/ecore_vf.c
index 8a08911a..334db6b9 100644
--- a/drivers/net/qede/base/ecore_vf.c
+++ b/drivers/net/qede/base/ecore_vf.c
@@ -1628,6 +1628,39 @@ exit:
 	return rc;
 }
 
+enum _ecore_status_t
+ecore_vf_pf_update_mtu(struct ecore_hwfn *p_hwfn, u16 mtu)
+{
+	struct ecore_vf_iov *p_iov = p_hwfn->vf_iov_info;
+	struct vfpf_update_mtu_tlv *p_req;
+	struct pfvf_def_resp_tlv *p_resp;
+	enum _ecore_status_t rc;
+
+	if (!mtu)
+		return ECORE_INVAL;
+
+	/* clear mailbox and prep header tlv */
+	p_req = ecore_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_MTU,
+				 sizeof(*p_req));
+	p_req->mtu = mtu;
+	DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
+		   "Requesting MTU update to %d\n", mtu);
+
+	/* add list termination tlv */
+	ecore_add_tlv(&p_iov->offset,
+		      CHANNEL_TLV_LIST_END,
+		      sizeof(struct channel_list_end_tlv));
+
+	p_resp = &p_iov->pf2vf_reply->default_resp;
+	rc = ecore_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
+	if (p_resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED)
+		rc = ECORE_INVAL;
+
+	ecore_vf_pf_req_end(p_hwfn, rc);
+
+	return rc;
+}
+
 u16 ecore_vf_get_igu_sb_id(struct ecore_hwfn *p_hwfn,
 			   u16               sb_id)
 {
diff --git a/drivers/net/qede/base/ecore_vf.h b/drivers/net/qede/base/ecore_vf.h
index de2758cb..e5555bb1 100644
--- a/drivers/net/qede/base/ecore_vf.h
+++ b/drivers/net/qede/base/ecore_vf.h
@@ -319,5 +319,14 @@ void ecore_vf_set_vf_start_tunn_update_param(struct ecore_tunnel_info *p_tun);
 
 u32 ecore_vf_hw_bar_size(struct ecore_hwfn *p_hwfn,
 		     enum BAR_ID bar_id);
+
+/**
+ * @brief - ecore_vf_pf_update_mtu Update MTU for VF.
+ *
+ * @param p_hwfn
+ * @param - mtu
+ */
+enum _ecore_status_t
+ecore_vf_pf_update_mtu(struct ecore_hwfn *p_hwfn, u16 mtu);
 #endif
 #endif /* __ECORE_VF_H__ */
diff --git a/drivers/net/qede/base/ecore_vfpf_if.h b/drivers/net/qede/base/ecore_vfpf_if.h
index c6af9caf..08b1f248 100644
--- a/drivers/net/qede/base/ecore_vfpf_if.h
+++ b/drivers/net/qede/base/ecore_vfpf_if.h
@@ -531,6 +531,18 @@ struct pfvf_read_coal_resp_tlv {
 	u8 padding[6];
 };
 
+struct vfpf_bulletin_update_mac_tlv {
+	struct vfpf_first_tlv first_tlv;
+	u8 mac[ETH_ALEN];
+	u8 padding[2];
+};
+
+struct vfpf_update_mtu_tlv {
+	struct vfpf_first_tlv first_tlv;
+	u16 mtu;
+	u8 padding[6];
+};
+
 union vfpf_tlvs {
 	struct vfpf_first_tlv			first_tlv;
 	struct vfpf_acquire_tlv			acquire;
@@ -545,6 +557,8 @@ union vfpf_tlvs {
 	struct vfpf_update_tunn_param_tlv	tunn_param_update;
 	struct vfpf_update_coalesce		update_coalesce;
 	struct vfpf_read_coal_req_tlv		read_coal_req;
+	struct vfpf_bulletin_update_mac_tlv	bulletin_update_mac;
+	struct vfpf_update_mtu_tlv		update_mtu;
 	struct tlv_buffer_size			tlv_buf_size;
 };
 
@@ -675,6 +689,8 @@ enum {
 	CHANNEL_TLV_COALESCE_UPDATE,
 	CHANNEL_TLV_QID,
 	CHANNEL_TLV_COALESCE_READ,
+	CHANNEL_TLV_BULLETIN_UPDATE_MAC,
+	CHANNEL_TLV_UPDATE_MTU,
 	CHANNEL_TLV_MAX,
 
 	/* Required for iterating over vport-update tlvs.