1 files changed, 82 insertions, 25 deletions

diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
index 38502815d681..c97ebd681c47 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
@@ -292,6 +292,7 @@ static void qed_ll2_txq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle)
 	struct qed_ll2_tx_packet *p_pkt = NULL;
 	struct qed_ll2_info *p_ll2_conn;
 	struct qed_ll2_tx_queue *p_tx;
+	unsigned long flags = 0;
 	dma_addr_t tx_frag;
 
 	p_ll2_conn = qed_ll2_handle_sanity_inactive(p_hwfn, connection_handle);
@@ -300,6 +301,7 @@ static void qed_ll2_txq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle)
 
 	p_tx = &p_ll2_conn->tx_queue;
 
+	spin_lock_irqsave(&p_tx->lock, flags);
 	while (!list_empty(&p_tx->active_descq)) {
 		p_pkt = list_first_entry(&p_tx->active_descq,
 					 struct qed_ll2_tx_packet, list_entry);
@@ -309,6 +311,7 @@ static void qed_ll2_txq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle)
 		list_del(&p_pkt->list_entry);
 		b_last_packet = list_empty(&p_tx->active_descq);
 		list_add_tail(&p_pkt->list_entry, &p_tx->free_descq);
+		spin_unlock_irqrestore(&p_tx->lock, flags);
 		if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_OOO) {
 			struct qed_ooo_buffer *p_buffer;
 
@@ -328,7 +331,9 @@ static void qed_ll2_txq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle)
 						      b_last_frag,
 						      b_last_packet);
 		}
+		spin_lock_irqsave(&p_tx->lock, flags);
 	}
+	spin_unlock_irqrestore(&p_tx->lock, flags);
 }
 
 static int qed_ll2_txq_completion(struct qed_hwfn *p_hwfn, void *p_cookie)
@@ -556,6 +561,7 @@ static void qed_ll2_rxq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle)
 	struct qed_ll2_info *p_ll2_conn = NULL;
 	struct qed_ll2_rx_packet *p_pkt = NULL;
 	struct qed_ll2_rx_queue *p_rx;
+	unsigned long flags = 0;
 
 	p_ll2_conn = qed_ll2_handle_sanity_inactive(p_hwfn, connection_handle);
 	if (!p_ll2_conn)
@@ -563,13 +569,14 @@ static void qed_ll2_rxq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle)
 
 	p_rx = &p_ll2_conn->rx_queue;
 
+	spin_lock_irqsave(&p_rx->lock, flags);
 	while (!list_empty(&p_rx->active_descq)) {
 		p_pkt = list_first_entry(&p_rx->active_descq,
 					 struct qed_ll2_rx_packet, list_entry);
 		if (!p_pkt)
 			break;
-
 		list_move_tail(&p_pkt->list_entry, &p_rx->free_descq);
+		spin_unlock_irqrestore(&p_rx->lock, flags);
 
 		if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_OOO) {
 			struct qed_ooo_buffer *p_buffer;
@@ -588,7 +595,30 @@ static void qed_ll2_rxq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle)
 						      cookie,
 						      rx_buf_addr, b_last);
 		}
+		spin_lock_irqsave(&p_rx->lock, flags);
 	}
+	spin_unlock_irqrestore(&p_rx->lock, flags);
+}
+
+static bool
+qed_ll2_lb_rxq_handler_slowpath(struct qed_hwfn *p_hwfn,
+				struct core_rx_slow_path_cqe *p_cqe)
+{
+	struct ooo_opaque *iscsi_ooo;
+	u32 cid;
+
+	if (p_cqe->ramrod_cmd_id != CORE_RAMROD_RX_QUEUE_FLUSH)
+		return false;
+
+	iscsi_ooo = (struct ooo_opaque *)&p_cqe->opaque_data;
+	if (iscsi_ooo->ooo_opcode != TCP_EVENT_DELETE_ISLES)
+		return false;
+
+	/* Need to make a flush */
+	cid = le32_to_cpu(iscsi_ooo->cid);
+	qed_ooo_release_connection_isles(p_hwfn, p_hwfn->p_ooo_info, cid);
+
+	return true;
 }
 
 static int qed_ll2_lb_rxq_handler(struct qed_hwfn *p_hwfn,
@@ -617,6 +647,11 @@ static int qed_ll2_lb_rxq_handler(struct qed_hwfn *p_hwfn,
 		cq_old_idx = qed_chain_get_cons_idx(&p_rx->rcq_chain);
 		cqe_type = cqe->rx_cqe_sp.type;
 
+		if (cqe_type == CORE_RX_CQE_TYPE_SLOW_PATH)
+			if (qed_ll2_lb_rxq_handler_slowpath(p_hwfn,
+							    &cqe->rx_cqe_sp))
+				continue;
+
 		if (cqe_type != CORE_RX_CQE_TYPE_REGULAR) {
 			DP_NOTICE(p_hwfn,
 				  "Got a non-regular LB LL2 completion [type 0x%02x]\n",
@@ -794,6 +829,9 @@ static int qed_ll2_lb_rxq_completion(struct qed_hwfn *p_hwfn, void *p_cookie)
 	struct qed_ll2_info *p_ll2_conn = (struct qed_ll2_info *)p_cookie;
 	int rc;
 
+	if (!QED_LL2_RX_REGISTERED(p_ll2_conn))
+		return 0;
+
 	rc = qed_ll2_lb_rxq_handler(p_hwfn, p_ll2_conn);
 	if (rc)
 		return rc;
@@ -814,6 +852,9 @@ static int qed_ll2_lb_txq_completion(struct qed_hwfn *p_hwfn, void *p_cookie)
 	u16 new_idx = 0, num_bds = 0;
 	int rc;
 
+	if (!QED_LL2_TX_REGISTERED(p_ll2_conn))
+		return 0;
+
 	new_idx = le16_to_cpu(*p_tx->p_fw_cons);
 	num_bds = ((s16)new_idx - (s16)p_tx->bds_idx);
 
@@ -919,12 +960,16 @@ static int qed_sp_ll2_rx_queue_start(struct qed_hwfn *p_hwfn,
 	p_ramrod->drop_ttl0_flg = p_ll2_conn->input.rx_drop_ttl0_flg;
 	p_ramrod->inner_vlan_stripping_en =
 		p_ll2_conn->input.rx_vlan_removal_en;
+
+	if (test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits) &&
+	    p_ll2_conn->input.conn_type == QED_LL2_TYPE_FCOE)
+		p_ramrod->report_outer_vlan = 1;
 	p_ramrod->queue_id = p_ll2_conn->queue_id;
 	p_ramrod->main_func_queue = p_ll2_conn->main_func_queue ? 1 : 0;
 
-	if ((IS_MF_DEFAULT(p_hwfn) || IS_MF_SI(p_hwfn)) &&
-	    p_ramrod->main_func_queue && (conn_type != QED_LL2_TYPE_ROCE) &&
-	    (conn_type != QED_LL2_TYPE_IWARP)) {
+	if (test_bit(QED_MF_LL2_NON_UNICAST, &p_hwfn->cdev->mf_bits) &&
+	    p_ramrod->main_func_queue && conn_type != QED_LL2_TYPE_ROCE &&
+	    conn_type != QED_LL2_TYPE_IWARP) {
 		p_ramrod->mf_si_bcast_accept_all = 1;
 		p_ramrod->mf_si_mcast_accept_all = 1;
 	} else {
@@ -1493,11 +1538,12 @@ int qed_ll2_establish_connection(void *cxt, u8 connection_handle)
 	qed_ll2_establish_connection_ooo(p_hwfn, p_ll2_conn);
 
 	if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_FCOE) {
+		if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
+			qed_llh_add_protocol_filter(p_hwfn, p_ptt,
+						    ETH_P_FCOE, 0,
+						    QED_LLH_FILTER_ETHERTYPE);
 		qed_llh_add_protocol_filter(p_hwfn, p_ptt,
-					    0x8906, 0,
-					    QED_LLH_FILTER_ETHERTYPE);
-		qed_llh_add_protocol_filter(p_hwfn, p_ptt,
-					    0x8914, 0,
+					    ETH_P_FIP, 0,
 					    QED_LLH_FILTER_ETHERTYPE);
 	}
 
@@ -1653,11 +1699,16 @@ qed_ll2_prepare_tx_packet_set_bd(struct qed_hwfn *p_hwfn,
 
 	start_bd = (struct core_tx_bd *)qed_chain_produce(p_tx_chain);
 	if (QED_IS_IWARP_PERSONALITY(p_hwfn) &&
-	    p_ll2->input.conn_type == QED_LL2_TYPE_OOO)
+	    p_ll2->input.conn_type == QED_LL2_TYPE_OOO) {
 		start_bd->nw_vlan_or_lb_echo =
 		    cpu_to_le16(IWARP_LL2_IN_ORDER_TX_QUEUE);
-	else
+	} else {
 		start_bd->nw_vlan_or_lb_echo = cpu_to_le16(pkt->vlan);
+		if (test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits) &&
+		    p_ll2->input.conn_type == QED_LL2_TYPE_FCOE)
+			pkt->remove_stag = true;
+	}
+
 	SET_FIELD(start_bd->bitfield1, CORE_TX_BD_L4_HDR_OFFSET_W,
 		  cpu_to_le16(pkt->l4_hdr_offset_w));
 	SET_FIELD(start_bd->bitfield1, CORE_TX_BD_TX_DST, tx_dest);
@@ -1668,6 +1719,9 @@ qed_ll2_prepare_tx_packet_set_bd(struct qed_hwfn *p_hwfn,
 	SET_FIELD(bd_data, CORE_TX_BD_DATA_IP_CSUM, !!(pkt->enable_ip_cksum));
 	SET_FIELD(bd_data, CORE_TX_BD_DATA_L4_CSUM, !!(pkt->enable_l4_cksum));
 	SET_FIELD(bd_data, CORE_TX_BD_DATA_IP_LEN, !!(pkt->calc_ip_len));
+	SET_FIELD(bd_data, CORE_TX_BD_DATA_DISABLE_STAG_INSERTION,
+		  !!(pkt->remove_stag));
+
 	start_bd->bd_data.as_bitfield = cpu_to_le16(bd_data);
 	DMA_REGPAIR_LE(start_bd->addr, pkt->first_frag);
 	start_bd->nbytes = cpu_to_le16(pkt->first_frag_len);
@@ -1867,28 +1921,37 @@ int qed_ll2_terminate_connection(void *cxt, u8 connection_handle)
 
 	/* Stop Tx & Rx of connection, if needed */
 	if (QED_LL2_TX_REGISTERED(p_ll2_conn)) {
+		p_ll2_conn->tx_queue.b_cb_registred = false;
+		smp_wmb(); /* Make sure this is seen by ll2_lb_rxq_completion */
 		rc = qed_sp_ll2_tx_queue_stop(p_hwfn, p_ll2_conn);
 		if (rc)
 			goto out;
+
 		qed_ll2_txq_flush(p_hwfn, connection_handle);
+		qed_int_unregister_cb(p_hwfn, p_ll2_conn->tx_queue.tx_sb_index);
 	}
 
 	if (QED_LL2_RX_REGISTERED(p_ll2_conn)) {
+		p_ll2_conn->rx_queue.b_cb_registred = false;
+		smp_wmb(); /* Make sure this is seen by ll2_lb_rxq_completion */
 		rc = qed_sp_ll2_rx_queue_stop(p_hwfn, p_ll2_conn);
 		if (rc)
 			goto out;
+
 		qed_ll2_rxq_flush(p_hwfn, connection_handle);
+		qed_int_unregister_cb(p_hwfn, p_ll2_conn->rx_queue.rx_sb_index);
 	}
 
 	if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_OOO)
 		qed_ooo_release_all_isles(p_hwfn, p_hwfn->p_ooo_info);
 
 	if (p_ll2_conn->input.conn_type == QED_LL2_TYPE_FCOE) {
+		if (!test_bit(QED_MF_UFP_SPECIFIC, &p_hwfn->cdev->mf_bits))
+			qed_llh_remove_protocol_filter(p_hwfn, p_ptt,
+						       ETH_P_FCOE, 0,
+						      QED_LLH_FILTER_ETHERTYPE);
 		qed_llh_remove_protocol_filter(p_hwfn, p_ptt,
-					       0x8906, 0,
-					       QED_LLH_FILTER_ETHERTYPE);
-		qed_llh_remove_protocol_filter(p_hwfn, p_ptt,
-					       0x8914, 0,
+					       ETH_P_FIP, 0,
 					       QED_LLH_FILTER_ETHERTYPE);
 	}
 
@@ -1925,16 +1988,6 @@ void qed_ll2_release_connection(void *cxt, u8 connection_handle)
 	if (!p_ll2_conn)
 		return;
 
-	if (QED_LL2_RX_REGISTERED(p_ll2_conn)) {
-		p_ll2_conn->rx_queue.b_cb_registred = false;
-		qed_int_unregister_cb(p_hwfn, p_ll2_conn->rx_queue.rx_sb_index);
-	}
-
-	if (QED_LL2_TX_REGISTERED(p_ll2_conn)) {
-		p_ll2_conn->tx_queue.b_cb_registred = false;
-		qed_int_unregister_cb(p_hwfn, p_ll2_conn->tx_queue.tx_sb_index);
-	}
-
 	kfree(p_ll2_conn->tx_queue.descq_mem);
 	qed_chain_free(p_hwfn->cdev, &p_ll2_conn->tx_queue.txq_chain);
 
@@ -2360,7 +2413,8 @@ fail:
 	return -EINVAL;
 }
 
-static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb)
+static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb,
+			      unsigned long xmit_flags)
 {
 	struct qed_ll2_tx_pkt_info pkt;
 	const skb_frag_t *frag;
@@ -2405,6 +2459,9 @@ static int qed_ll2_start_xmit(struct qed_dev *cdev, struct sk_buff *skb)
 	pkt.first_frag = mapping;
 	pkt.first_frag_len = skb->len;
 	pkt.cookie = skb;
+	if (test_bit(QED_MF_UFP_SPECIFIC, &cdev->mf_bits) &&
+	    test_bit(QED_LL2_XMIT_FLAGS_FIP_DISCOVERY, &xmit_flags))
+		pkt.remove_stag = true;
 
 	rc = qed_ll2_prepare_tx_packet(&cdev->hwfns[0], cdev->ll2->handle,
 				       &pkt, 1);