tgupdate: merge t/mptcp-add-bpf_mptcp_sched_ops base into t/mptcp-add…

…-bpf_mptcp_sched_ops

drivers/net/ethernet/atheros/atl1e/atl1e_main.c

@@ -866,10 +866,13 @@ static int atl1e_setup_ring_resources(struct atl1e_adapter *adapter)
 		netdev_err(adapter->netdev, "offset(%d) > ring size(%d) !!\n",
 			   offset, adapter->ring_size);
 		err = -1;
-		goto failed;
+		goto free_buffer;
 	}
 
 	return 0;
+free_buffer:
+	kfree(tx_ring->tx_buffer);
+	tx_ring->tx_buffer = NULL;
 failed:
 	if (adapter->ring_vir_addr != NULL) {
 		dma_free_coherent(&pdev->dev, adapter->ring_size,

drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c

@@ -59,7 +59,6 @@ struct bnxt_sw_tx_bd *bnxt_xmit_bd(struct bnxt *bp,
 	for (i = 0; i < num_frags ; i++) {
 		skb_frag_t *frag = &sinfo->frags[i];
 		struct bnxt_sw_tx_bd *frag_tx_buf;
-		struct pci_dev *pdev = bp->pdev;
 		dma_addr_t frag_mapping;
 		int frag_len;
 
@@ -73,16 +72,10 @@ struct bnxt_sw_tx_bd *bnxt_xmit_bd(struct bnxt *bp,
 		txbd = &txr->tx_desc_ring[TX_RING(bp, prod)][TX_IDX(prod)];
 
 		frag_len = skb_frag_size(frag);
-		frag_mapping = skb_frag_dma_map(&pdev->dev, frag, 0,
-						frag_len, DMA_TO_DEVICE);
-
-		if (unlikely(dma_mapping_error(&pdev->dev, frag_mapping)))
-			return NULL;
-
-		dma_unmap_addr_set(frag_tx_buf, mapping, frag_mapping);
-
 		flags = frag_len << TX_BD_LEN_SHIFT;
 		txbd->tx_bd_len_flags_type = cpu_to_le32(flags);
+		frag_mapping = page_pool_get_dma_addr(skb_frag_page(frag)) +
+			       skb_frag_off(frag);
 		txbd->tx_bd_haddr = cpu_to_le64(frag_mapping);
 
 		len = frag_len;

drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c

@@ -399,9 +399,10 @@ static int otx2_dcbnl_ieee_getpfc(struct net_device *dev, struct ieee_pfc *pfc)
 static int otx2_dcbnl_ieee_setpfc(struct net_device *dev, struct ieee_pfc *pfc)
 {
 	struct otx2_nic *pfvf = netdev_priv(dev);
+	u8 old_pfc_en;
 	int err;
 
-	/* Save PFC configuration to interface */
+	old_pfc_en = pfvf->pfc_en;
 	pfvf->pfc_en = pfc->pfc_en;
 
 	if (pfvf->hw.tx_queues >= NIX_PF_PFC_PRIO_MAX)
@@ -411,20 +412,30 @@ static int otx2_dcbnl_ieee_setpfc(struct net_device *dev, struct ieee_pfc *pfc)
 	 * supported by the tx queue configuration
 	 */
 	err = otx2_check_pfc_config(pfvf);
-	if (err)
+	if (err) {
+		pfvf->pfc_en = old_pfc_en;
 		return err;
+	}
 
 process_pfc:
 	err = otx2_config_priority_flow_ctrl(pfvf);
-	if (err)
+	if (err) {
+		pfvf->pfc_en = old_pfc_en;
 		return err;
+	}
 
 	/* Request Per channel Bpids */
 	if (pfc->pfc_en)
 		otx2_nix_config_bp(pfvf, true);
 
 	err = otx2_pfc_txschq_update(pfvf);
 	if (err) {
+		if (pfc->pfc_en)
+			otx2_nix_config_bp(pfvf, false);
+
+		otx2_pfc_txschq_stop(pfvf);
+		pfvf->pfc_en = old_pfc_en;
+		otx2_config_priority_flow_ctrl(pfvf);
 		dev_err(pfvf->dev, "%s failed to update TX schedulers\n", __func__);
 		return err;
 	}

drivers/net/ethernet/wangxun/libwx/wx_lib.c

@@ -160,60 +160,6 @@ static __le32 wx_test_staterr(union wx_rx_desc *rx_desc,
 	return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
 }
 
-static bool wx_can_reuse_rx_page(struct wx_rx_buffer *rx_buffer,
-				 int rx_buffer_pgcnt)
-{
-	unsigned int pagecnt_bias = rx_buffer->pagecnt_bias;
-	struct page *page = rx_buffer->page;
-
-	/* avoid re-using remote and pfmemalloc pages */
-	if (!dev_page_is_reusable(page))
-		return false;
-
-#if (PAGE_SIZE < 8192)
-	/* if we are only owner of page we can reuse it */
-	if (unlikely((rx_buffer_pgcnt - pagecnt_bias) > 1))
-		return false;
-#endif
-
-	/* If we have drained the page fragment pool we need to update
-	 * the pagecnt_bias and page count so that we fully restock the
-	 * number of references the driver holds.
-	 */
-	if (unlikely(pagecnt_bias == 1)) {
-		page_ref_add(page, USHRT_MAX - 1);
-		rx_buffer->pagecnt_bias = USHRT_MAX;
-	}
-
-	return true;
-}
-
-/**
- * wx_reuse_rx_page - page flip buffer and store it back on the ring
- * @rx_ring: rx descriptor ring to store buffers on
- * @old_buff: donor buffer to have page reused
- *
- * Synchronizes page for reuse by the adapter
- **/
-static void wx_reuse_rx_page(struct wx_ring *rx_ring,
-			     struct wx_rx_buffer *old_buff)
-{
-	u16 nta = rx_ring->next_to_alloc;
-	struct wx_rx_buffer *new_buff;
-
-	new_buff = &rx_ring->rx_buffer_info[nta];
-
-	/* update, and store next to alloc */
-	nta++;
-	rx_ring->next_to_alloc = (nta < rx_ring->count) ? nta : 0;
-
-	/* transfer page from old buffer to new buffer */
-	new_buff->page = old_buff->page;
-	new_buff->page_dma = old_buff->page_dma;
-	new_buff->page_offset = old_buff->page_offset;
-	new_buff->pagecnt_bias	= old_buff->pagecnt_bias;
-}
-
 static void wx_dma_sync_frag(struct wx_ring *rx_ring,
 			     struct wx_rx_buffer *rx_buffer)
 {
@@ -270,8 +216,6 @@ static struct wx_rx_buffer *wx_get_rx_buffer(struct wx_ring *rx_ring,
 				      size,
 				      DMA_FROM_DEVICE);
 skip_sync:
-	rx_buffer->pagecnt_bias--;
-
 	return rx_buffer;
 }
 
@@ -280,19 +224,9 @@ static void wx_put_rx_buffer(struct wx_ring *rx_ring,
 			     struct sk_buff *skb,
 			     int rx_buffer_pgcnt)
 {
-	if (wx_can_reuse_rx_page(rx_buffer, rx_buffer_pgcnt)) {
-		/* hand second half of page back to the ring */
-		wx_reuse_rx_page(rx_ring, rx_buffer);
-	} else {
-		if (!IS_ERR(skb) && WX_CB(skb)->dma == rx_buffer->dma)
-			/* the page has been released from the ring */
-			WX_CB(skb)->page_released = true;
-		else
-			page_pool_put_full_page(rx_ring->page_pool, rx_buffer->page, false);
-
-		__page_frag_cache_drain(rx_buffer->page,
-					rx_buffer->pagecnt_bias);
-	}
+	if (!IS_ERR(skb) && WX_CB(skb)->dma == rx_buffer->dma)
+		/* the page has been released from the ring */
+		WX_CB(skb)->page_released = true;
 
 	/* clear contents of rx_buffer */
 	rx_buffer->page = NULL;
@@ -335,11 +269,12 @@ static struct sk_buff *wx_build_skb(struct wx_ring *rx_ring,
 		if (size <= WX_RXBUFFER_256) {
 			memcpy(__skb_put(skb, size), page_addr,
 			       ALIGN(size, sizeof(long)));
-			rx_buffer->pagecnt_bias++;
-
+			page_pool_put_full_page(rx_ring->page_pool, rx_buffer->page, true);
 			return skb;
 		}
 
+		skb_mark_for_recycle(skb);
+
 		if (!wx_test_staterr(rx_desc, WX_RXD_STAT_EOP))
 			WX_CB(skb)->dma = rx_buffer->dma;
 
@@ -382,8 +317,6 @@ static bool wx_alloc_mapped_page(struct wx_ring *rx_ring,
 	bi->page_dma = dma;
 	bi->page = page;
 	bi->page_offset = 0;
-	page_ref_add(page, USHRT_MAX - 1);
-	bi->pagecnt_bias = USHRT_MAX;
 
 	return true;
 }
@@ -723,7 +656,6 @@ static int wx_clean_rx_irq(struct wx_q_vector *q_vector,
 		/* exit if we failed to retrieve a buffer */
 		if (!skb) {
 			rx_ring->rx_stats.alloc_rx_buff_failed++;
-			rx_buffer->pagecnt_bias++;
 			break;
 		}
 
@@ -2248,8 +2180,6 @@ static void wx_clean_rx_ring(struct wx_ring *rx_ring)
 
 		/* free resources associated with mapping */
 		page_pool_put_full_page(rx_ring->page_pool, rx_buffer->page, false);
-		__page_frag_cache_drain(rx_buffer->page,
-					rx_buffer->pagecnt_bias);
 
 		i++;
 		rx_buffer++;

drivers/net/ethernet/wangxun/libwx/wx_type.h

@@ -787,7 +787,6 @@ struct wx_rx_buffer {
 	dma_addr_t page_dma;
 	struct page *page;
 	unsigned int page_offset;
-	u16 pagecnt_bias;
 };
 
 struct wx_queue_stats {

drivers/net/phy/phy_device.c

@@ -1550,7 +1550,8 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
 		goto error;
 
 	phy_resume(phydev);
-	phy_led_triggers_register(phydev);
+	if (!phydev->is_on_sfp_module)
+		phy_led_triggers_register(phydev);
 
 	/**
 	 * If the external phy used by current mac interface is managed by
@@ -1822,7 +1823,8 @@ void phy_detach(struct phy_device *phydev)
 	}
 	phydev->phylink = NULL;
 
-	phy_led_triggers_unregister(phydev);
+	if (!phydev->is_on_sfp_module)
+		phy_led_triggers_unregister(phydev);
 
 	if (phydev->mdio.dev.driver)
 		module_put(phydev->mdio.dev.driver->owner);

net/core/stream.c

@@ -79,7 +79,7 @@ int sk_stream_wait_connect(struct sock *sk, long *timeo_p)
 		remove_wait_queue(sk_sleep(sk), &wait);
 		sk->sk_write_pending--;
 	} while (!done);
-	return 0;
+	return done < 0 ? done : 0;
 }
 EXPORT_SYMBOL(sk_stream_wait_connect);
 

net/ife/ife.c

@@ -82,6 +82,7 @@ void *ife_decode(struct sk_buff *skb, u16 *metalen)
 	if (unlikely(!pskb_may_pull(skb, total_pull)))
 		return NULL;
 
+	ifehdr = (struct ifeheadr *)(skb->data + skb->dev->hard_header_len);
 	skb_set_mac_header(skb, total_pull);
 	__skb_pull(skb, total_pull);
 	*metalen = ifehdrln - IFE_METAHDRLEN;

net/rose/af_rose.c

@@ -182,21 +182,47 @@ void rose_kill_by_neigh(struct rose_neigh *neigh)
  */
 static void rose_kill_by_device(struct net_device *dev)
 {
-	struct sock *s;
+	struct sock *sk, *array[16];
+	struct rose_sock *rose;
+	bool rescan;
+	int i, cnt;
 
+start:
+	rescan = false;
+	cnt = 0;
 	spin_lock_bh(&rose_list_lock);
-	sk_for_each(s, &rose_list) {
-		struct rose_sock *rose = rose_sk(s);
+	sk_for_each(sk, &rose_list) {
+		rose = rose_sk(sk);
+		if (rose->device == dev) {
+			if (cnt == ARRAY_SIZE(array)) {
+				rescan = true;
+				break;
+			}
+			sock_hold(sk);
+			array[cnt++] = sk;
+		}
+	}
+	spin_unlock_bh(&rose_list_lock);
 
+	for (i = 0; i < cnt; i++) {
+		sk = array[cnt];
+		rose = rose_sk(sk);
+		lock_sock(sk);
+		spin_lock_bh(&rose_list_lock);
 		if (rose->device == dev) {
-			rose_disconnect(s, ENETUNREACH, ROSE_OUT_OF_ORDER, 0);
+			rose_disconnect(sk, ENETUNREACH, ROSE_OUT_OF_ORDER, 0);
 			if (rose->neighbour)
 				rose->neighbour->use--;
 			netdev_put(rose->device, &rose->dev_tracker);
 			rose->device = NULL;
 		}
+		spin_unlock_bh(&rose_list_lock);
+		release_sock(sk);
+		sock_put(sk);
+		cond_resched();
 	}
-	spin_unlock_bh(&rose_list_lock);
+	if (rescan)
+		goto start;
 }
 
 /*
@@ -656,7 +682,10 @@ static int rose_release(struct socket *sock)
 		break;
 	}
 
+	spin_lock_bh(&rose_list_lock);
 	netdev_put(rose->device, &rose->dev_tracker);
+	rose->device = NULL;
+	spin_unlock_bh(&rose_list_lock);
 	sock->sk = NULL;
 	release_sock(sk);
 	sock_put(sk);