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Including fixes from Bluetooth.

Browse source 
Current release - new code bugs:
 
   - eth: txgbe: fix the issue of TX failure
 
   - eth: ngbe: specify IRQ vector when the number of VFs is 7
 
 Previous releases - regressions:
 
   - sched: always pass notifications when child class becomes empty
 
   - ipv4: fix stat increase when udp early demux drops the packet
 
   - bluetooth: prevent unintended pause by checking if advertising is active
 
   - virtio: fix error reporting in virtqueue_resize
 
   - eth: virtio-net:
     - ensure the received length does not exceed allocated size
     - fix the xsk frame's length check
 
   - eth: lan78xx: fix WARN in __netif_napi_del_locked on disconnect
 
 Previous releases - always broken:
 
   - bluetooth: mesh: check instances prior disabling advertising
 
   - eth: idpf: convert control queue mutex to a spinlock
 
   - eth: dpaa2: fix xdp_rxq_info leak
 
   - eth: amd-xgbe: align CL37 AN sequence as per databook
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from Bluetooth.

  Current release - new code bugs:

    - eth:
       - txgbe: fix the issue of TX failure
       - ngbe: specify IRQ vector when the number of VFs is 7

  Previous releases - regressions:

    - sched: always pass notifications when child class becomes empty

    - ipv4: fix stat increase when udp early demux drops the packet

    - bluetooth: prevent unintended pause by checking if advertising is active

    - virtio: fix error reporting in virtqueue_resize

    - eth:
       - virtio-net:
          - ensure the received length does not exceed allocated size
          - fix the xsk frame's length check
       - lan78xx: fix WARN in __netif_napi_del_locked on disconnect

  Previous releases - always broken:

    - bluetooth: mesh: check instances prior disabling advertising

    - eth:
       - idpf: convert control queue mutex to a spinlock
       - dpaa2: fix xdp_rxq_info leak
       - amd-xgbe: align CL37 AN sequence as per databook"

* tag 'net-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (38 commits)
  vsock/vmci: Clear the vmci transport packet properly when initializing it
  dt-bindings: net: sophgo,sg2044-dwmac: Drop status from the example
  net: ngbe: specify IRQ vector when the number of VFs is 7
  net: wangxun: revert the adjustment of the IRQ vector sequence
  net: txgbe: request MISC IRQ in ndo_open
  virtio_net: Enforce minimum TX ring size for reliability
  virtio_net: Cleanup '2+MAX_SKB_FRAGS'
  virtio_ring: Fix error reporting in virtqueue_resize
  virtio-net: xsk: rx: fix the frame's length check
  virtio-net: use the check_mergeable_len helper
  virtio-net: remove redundant truesize check with PAGE_SIZE
  virtio-net: ensure the received length does not exceed allocated size
  net: ipv4: fix stat increase when udp early demux drops the packet
  net: libwx: fix the incorrect display of the queue number
  amd-xgbe: do not double read link status
  net/sched: Always pass notifications when child class becomes empty
  nui: Fix dma_mapping_error() check
  rose: fix dangling neighbour pointers in rose_rt_device_down()
  enic: fix incorrect MTU comparison in enic_change_mtu()
  amd-xgbe: align CL37 AN sequence as per databook
  ...
This commit is contained in:
Linus Torvalds 2025-07-03 09:18:55 -07:00
commit 17bbde2e17
38 changed files with 494 additions and 296 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml
View file

@ -80,6 +80,8 @@ examples:
interrupt-parent = <&intc>;
interrupts = <296 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq";
phy-handle = <&phy0>;
phy-mode = "rgmii-id";
resets = <&rst 30>;
reset-names = "stmmaceth";
snps,multicast-filter-bins = <0>;
@ -91,7 +93,6 @@ examples:
snps,mtl-rx-config = <&gmac0_mtl_rx_setup>;
snps,mtl-tx-config = <&gmac0_mtl_tx_setup>;
snps,axi-config = <&gmac0_stmmac_axi_setup>;
status = "disabled";
gmac0_mtl_rx_setup: rx-queues-config {
snps,rx-queues-to-use = <8>;

4
Documentation/networking/tls.rst
View file

@ -16,11 +16,13 @@ User interface
Creating a TLS connection
-------------------------
First create a new TCP socket and set the TLS ULP.
First create a new TCP socket and once the connection is established set the
TLS ULP.
.. code-block:: c
sock = socket(AF_INET, SOCK_STREAM, 0);
connect(sock, addr, addrlen);
setsockopt(sock, SOL_TCP, TCP_ULP, "tls", sizeof("tls"));
Setting the TLS ULP allows us to set/get TLS socket options. Currently

2
Documentation/process/maintainer-netdev.rst
View file

@ -312,7 +312,7 @@ Posting as one thread is discouraged because it confuses patchwork
(as of patchwork 2.2.2).
Co-posting selftests
--------------------
~~~~~~~~~~~~~~~~~~~~
Selftests should be part of the same series as the code changes.
Specifically for fixes both code change and related test should go into

10
MAINTAINERS
View file

@ -15550,6 +15550,7 @@ F: drivers/net/ethernet/mellanox/mlx4/en_*
MELLANOX ETHERNET DRIVER (mlx5e)
M: Saeed Mahameed <saeedm@nvidia.com>
M: Tariq Toukan <tariqt@nvidia.com>
M: Mark Bloch <mbloch@nvidia.com>
L: netdev@vger.kernel.org
S: Maintained
W: https://www.nvidia.com/networking/
@ -15619,6 +15620,7 @@ MELLANOX MLX5 core VPI driver
M: Saeed Mahameed <saeedm@nvidia.com>
M: Leon Romanovsky <leonro@nvidia.com>
M: Tariq Toukan <tariqt@nvidia.com>
M: Mark Bloch <mbloch@nvidia.com>
L: netdev@vger.kernel.org
L: linux-rdma@vger.kernel.org
S: Maintained
@ -21198,7 +21200,7 @@ M: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
L: netdev@vger.kernel.org
L: linux-renesas-soc@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/net/renesas,r9a09g057-gbeth.yaml
F: Documentation/devicetree/bindings/net/renesas,rzv2h-gbeth.yaml
F: drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c
RENESAS RZ/V2H(P) USB2PHY PORT RESET DRIVER
@ -22586,9 +22588,11 @@ S: Maintained
F: drivers/misc/sgi-xp/
SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
M: D. Wythe <alibuda@linux.alibaba.com>
M: Dust Li <dust.li@linux.alibaba.com>
M: Sidraya Jayagond <sidraya@linux.ibm.com>
M: Wenjia Zhang <wenjia@linux.ibm.com>
M: Jan Karcher <jaka@linux.ibm.com>
R: D. Wythe <alibuda@linux.alibaba.com>
R: Mahanta Jambigi <mjambigi@linux.ibm.com>
R: Tony Lu <tonylu@linux.alibaba.com>
R: Wen Gu <guwen@linux.alibaba.com>
L: linux-rdma@vger.kernel.org

2
drivers/net/ethernet/amd/xgbe/xgbe-common.h
View file

@ -1269,6 +1269,8 @@
#define MDIO_VEND2_CTRL1_SS13 BIT(13)
#endif
#define XGBE_VEND2_MAC_AUTO_SW BIT(9)
/* MDIO mask values */
#define XGBE_AN_CL73_INT_CMPLT BIT(0)
#define XGBE_AN_CL73_INC_LINK BIT(1)

13
drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
View file

@ -266,6 +266,10 @@ static void xgbe_an37_set(struct xgbe_prv_data *pdata, bool enable,
reg |= MDIO_VEND2_CTRL1_AN_RESTART;
XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_CTRL1, reg);
reg = XMDIO_READ(pdata, MDIO_MMD_VEND2, MDIO_PCS_DIG_CTRL);
reg |= XGBE_VEND2_MAC_AUTO_SW;
XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_PCS_DIG_CTRL, reg);
}
static void xgbe_an37_restart(struct xgbe_prv_data *pdata)
@ -894,6 +898,11 @@ static void xgbe_an37_init(struct xgbe_prv_data *pdata)
netif_dbg(pdata, link, pdata->netdev, "CL37 AN (%s) initialized\n",
(pdata->an_mode == XGBE_AN_MODE_CL37) ? "BaseX" : "SGMII");
reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_CTRL1);
reg &= ~MDIO_AN_CTRL1_ENABLE;
XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_CTRL1, reg);
}
static void xgbe_an73_init(struct xgbe_prv_data *pdata)
@ -1295,6 +1304,10 @@ static void xgbe_phy_status(struct xgbe_prv_data *pdata)
pdata->phy.link = pdata->phy_if.phy_impl.link_status(pdata,
&an_restart);
/* bail out if the link status register read fails */
if (pdata->phy.link < 0)
return;
if (an_restart) {
xgbe_phy_config_aneg(pdata);
goto adjust_link;

24
drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
View file

@ -2746,8 +2746,7 @@ static bool xgbe_phy_valid_speed(struct xgbe_prv_data *pdata, int speed)
static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
unsigned int reg;
int ret;
int reg, ret;
*an_restart = 0;
@ -2781,11 +2780,20 @@ static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart)
return 0;
}
/* Link status is latched low, so read once to clear
* and then read again to get current state
reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
if (reg < 0)
return reg;
/* Link status is latched low so that momentary link drops
* can be detected. If link was already down read again
* to get the latest state.
*/
reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
if (!pdata->phy.link && !(reg & MDIO_STAT1_LSTATUS)) {
reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
if (reg < 0)
return reg;
}
if (pdata->en_rx_adap) {
/* if the link is available and adaptation is done,
@ -2804,9 +2812,7 @@ static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart)
xgbe_phy_set_mode(pdata, phy_data->cur_mode);
}
/* check again for the link and adaptation status */
reg = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1);
if ((reg & MDIO_STAT1_LSTATUS) && pdata->rx_adapt_done)
if (pdata->rx_adapt_done)
return 1;
} else if (reg & MDIO_STAT1_LSTATUS)
return 1;

4
drivers/net/ethernet/amd/xgbe/xgbe.h
View file

@ -183,12 +183,12 @@
#define XGBE_LINK_TIMEOUT 5
#define XGBE_KR_TRAINING_WAIT_ITER 50
#define XGBE_SGMII_AN_LINK_STATUS BIT(1)
#define XGBE_SGMII_AN_LINK_DUPLEX BIT(1)
#define XGBE_SGMII_AN_LINK_SPEED (BIT(2) | BIT(3))
#define XGBE_SGMII_AN_LINK_SPEED_10 0x00
#define XGBE_SGMII_AN_LINK_SPEED_100 0x04
#define XGBE_SGMII_AN_LINK_SPEED_1000 0x08
#define XGBE_SGMII_AN_LINK_DUPLEX BIT(4)
#define XGBE_SGMII_AN_LINK_STATUS BIT(4)
/* ECC correctable error notification window (seconds) */
#define XGBE_ECC_LIMIT 60

79
drivers/net/ethernet/atheros/atlx/atl1.c
View file

@ -1861,14 +1861,21 @@ static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter)
break;
}
buffer_info->alloced = 1;
buffer_info->skb = skb;
buffer_info->length = (u16) adapter->rx_buffer_len;
page = virt_to_page(skb->data);
offset = offset_in_page(skb->data);
buffer_info->dma = dma_map_page(&pdev->dev, page, offset,
adapter->rx_buffer_len,
DMA_FROM_DEVICE);
if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
kfree_skb(skb);
adapter->soft_stats.rx_dropped++;
break;
}
buffer_info->alloced = 1;
buffer_info->skb = skb;
buffer_info->length = (u16)adapter->rx_buffer_len;
rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
rfd_desc->buf_len = cpu_to_le16(adapter->rx_buffer_len);
rfd_desc->coalese = 0;
@ -2183,8 +2190,8 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb,
return 0;
}
static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
struct tx_packet_desc *ptpd)
static bool atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
struct tx_packet_desc *ptpd)
{
struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring;
struct atl1_buffer *buffer_info;
@ -2194,6 +2201,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
unsigned int nr_frags;
unsigned int f;
int retval;
u16 first_mapped;
u16 next_to_use;
u16 data_len;
u8 hdr_len;
@ -2201,6 +2209,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
buf_len -= skb->data_len;
nr_frags = skb_shinfo(skb)->nr_frags;
next_to_use = atomic_read(&tpd_ring->next_to_use);
first_mapped = next_to_use;
buffer_info = &tpd_ring->buffer_info[next_to_use];
BUG_ON(buffer_info->skb);
/* put skb in last TPD */
@ -2216,6 +2225,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
buffer_info->dma = dma_map_page(&adapter->pdev->dev, page,
offset, hdr_len,
DMA_TO_DEVICE);
if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma))
goto dma_err;
if (++next_to_use == tpd_ring->count)
next_to_use = 0;
@ -2242,6 +2253,9 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
page, offset,
buffer_info->length,
DMA_TO_DEVICE);
if (dma_mapping_error(&adapter->pdev->dev,
buffer_info->dma))
goto dma_err;
if (++next_to_use == tpd_ring->count)
next_to_use = 0;
}
@ -2254,6 +2268,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
buffer_info->dma = dma_map_page(&adapter->pdev->dev, page,
offset, buf_len,
DMA_TO_DEVICE);
if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma))
goto dma_err;
if (++next_to_use == tpd_ring->count)
next_to_use = 0;
}
@ -2277,6 +2293,9 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
buffer_info->dma = skb_frag_dma_map(&adapter->pdev->dev,
frag, i * ATL1_MAX_TX_BUF_LEN,
buffer_info->length, DMA_TO_DEVICE);
if (dma_mapping_error(&adapter->pdev->dev,
buffer_info->dma))
goto dma_err;
if (++next_to_use == tpd_ring->count)
next_to_use = 0;
@ -2285,6 +2304,22 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
/* last tpd's buffer-info */
buffer_info->skb = skb;
return true;
dma_err:
while (first_mapped != next_to_use) {
buffer_info = &tpd_ring->buffer_info[first_mapped];
dma_unmap_page(&adapter->pdev->dev,
buffer_info->dma,
buffer_info->length,
DMA_TO_DEVICE);
buffer_info->dma = 0;
if (++first_mapped == tpd_ring->count)
first_mapped = 0;
}
return false;
}
static void atl1_tx_queue(struct atl1_adapter *adapter, u16 count,
@ -2355,10 +2390,8 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
len = skb_headlen(skb);
if (unlikely(skb->len <= 0)) {
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
if (unlikely(skb->len <= 0))
goto drop_packet;
nr_frags = skb_shinfo(skb)->nr_frags;
for (f = 0; f < nr_frags; f++) {
@ -2371,10 +2404,9 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
if (mss) {
if (skb->protocol == htons(ETH_P_IP)) {
proto_hdr_len = skb_tcp_all_headers(skb);
if (unlikely(proto_hdr_len > len)) {
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
if (unlikely(proto_hdr_len > len))
goto drop_packet;
/* need additional TPD ? */
if (proto_hdr_len != len)
count += (len - proto_hdr_len +
@ -2406,23 +2438,26 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
}
tso = atl1_tso(adapter, skb, ptpd);
if (tso < 0) {
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
if (tso < 0)
goto drop_packet;
if (!tso) {
ret_val = atl1_tx_csum(adapter, skb, ptpd);
if (ret_val < 0) {
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
if (ret_val < 0)
goto drop_packet;
}
atl1_tx_map(adapter, skb, ptpd);
if (!atl1_tx_map(adapter, skb, ptpd))
goto drop_packet;
atl1_tx_queue(adapter, count, ptpd);
atl1_update_mailbox(adapter);
return NETDEV_TX_OK;
drop_packet:
adapter->soft_stats.tx_errors++;
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
static int atl1_rings_clean(struct napi_struct *napi, int budget)

4
drivers/net/ethernet/cisco/enic/enic_main.c
View file

@ -1864,10 +1864,10 @@ static int enic_change_mtu(struct net_device *netdev, int new_mtu)
if (enic_is_dynamic(enic) || enic_is_sriov_vf(enic))
return -EOPNOTSUPP;
if (netdev->mtu > enic->port_mtu)
if (new_mtu > enic->port_mtu)
netdev_warn(netdev,
"interface MTU (%d) set higher than port MTU (%d)\n",
netdev->mtu, enic->port_mtu);
new_mtu, enic->port_mtu);
return _enic_change_mtu(netdev, new_mtu);
}

26
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
View file

@ -3939,6 +3939,7 @@ static int dpaa2_eth_setup_rx_flow(struct dpaa2_eth_priv *priv,
MEM_TYPE_PAGE_ORDER0, NULL);
if (err) {
dev_err(dev, "xdp_rxq_info_reg_mem_model failed\n");
xdp_rxq_info_unreg(&fq->channel->xdp_rxq);
return err;
}
@ -4432,17 +4433,25 @@ static int dpaa2_eth_bind_dpni(struct dpaa2_eth_priv *priv)
return -EINVAL;
}
if (err)
return err;
goto out;
}
err = dpni_get_qdid(priv->mc_io, 0, priv->mc_token,
DPNI_QUEUE_TX, &priv->tx_qdid);
if (err) {
dev_err(dev, "dpni_get_qdid() failed\n");
return err;
goto out;
}
return 0;
out:
while (i--) {
if (priv->fq[i].type == DPAA2_RX_FQ &&
xdp_rxq_info_is_reg(&priv->fq[i].channel->xdp_rxq))
xdp_rxq_info_unreg(&priv->fq[i].channel->xdp_rxq);
}
return err;
}
/* Allocate rings for storing incoming frame descriptors */
@ -4825,6 +4834,17 @@ static void dpaa2_eth_del_ch_napi(struct dpaa2_eth_priv *priv)
}
}
static void dpaa2_eth_free_rx_xdp_rxq(struct dpaa2_eth_priv *priv)
{
int i;
for (i = 0; i < priv->num_fqs; i++) {
if (priv->fq[i].type == DPAA2_RX_FQ &&
xdp_rxq_info_is_reg(&priv->fq[i].channel->xdp_rxq))
xdp_rxq_info_unreg(&priv->fq[i].channel->xdp_rxq);
}
}
static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev)
{
struct device *dev;
@ -5028,6 +5048,7 @@ err_alloc_percpu_extras:
free_percpu(priv->percpu_stats);
err_alloc_percpu_stats:
dpaa2_eth_del_ch_napi(priv);
dpaa2_eth_free_rx_xdp_rxq(priv);
err_bind:
dpaa2_eth_free_dpbps(priv);
err_dpbp_setup:
@ -5080,6 +5101,7 @@ static void dpaa2_eth_remove(struct fsl_mc_device *ls_dev)
free_percpu(priv->percpu_extras);
dpaa2_eth_del_ch_napi(priv);
dpaa2_eth_free_rx_xdp_rxq(priv);
dpaa2_eth_free_dpbps(priv);
dpaa2_eth_free_dpio(priv);
dpaa2_eth_free_dpni(priv);

23
drivers/net/ethernet/intel/idpf/idpf_controlq.c
View file

@ -96,7 +96,7 @@ static void idpf_ctlq_init_rxq_bufs(struct idpf_ctlq_info *cq)
*/
static void idpf_ctlq_shutdown(struct idpf_hw *hw, struct idpf_ctlq_info *cq)
{
mutex_lock(&cq->cq_lock);
spin_lock(&cq->cq_lock);
/* free ring buffers and the ring itself */
idpf_ctlq_dealloc_ring_res(hw, cq);
@ -104,8 +104,7 @@ static void idpf_ctlq_shutdown(struct idpf_hw *hw, struct idpf_ctlq_info *cq)
/* Set ring_size to 0 to indicate uninitialized queue */
cq->ring_size = 0;
mutex_unlock(&cq->cq_lock);
mutex_destroy(&cq->cq_lock);
spin_unlock(&cq->cq_lock);
}
/**
@ -173,7 +172,7 @@ int idpf_ctlq_add(struct idpf_hw *hw,
idpf_ctlq_init_regs(hw, cq, is_rxq);
mutex_init(&cq->cq_lock);
spin_lock_init(&cq->cq_lock);
list_add(&cq->cq_list, &hw->cq_list_head);
@ -272,7 +271,7 @@ int idpf_ctlq_send(struct idpf_hw *hw, struct idpf_ctlq_info *cq,
int err = 0;
int i;
mutex_lock(&cq->cq_lock);
spin_lock(&cq->cq_lock);
/* Ensure there are enough descriptors to send all messages */
num_desc_avail = IDPF_CTLQ_DESC_UNUSED(cq);
@ -332,7 +331,7 @@ int idpf_ctlq_send(struct idpf_hw *hw, struct idpf_ctlq_info *cq,
wr32(hw, cq->reg.tail, cq->next_to_use);
err_unlock:
mutex_unlock(&cq->cq_lock);
spin_unlock(&cq->cq_lock);
return err;
}
@ -364,7 +363,7 @@ int idpf_ctlq_clean_sq(struct idpf_ctlq_info *cq, u16 *clean_count,
if (*clean_count > cq->ring_size)
return -EBADR;
mutex_lock(&cq->cq_lock);
spin_lock(&cq->cq_lock);
ntc = cq->next_to_clean;
@ -397,7 +396,7 @@ int idpf_ctlq_clean_sq(struct idpf_ctlq_info *cq, u16 *clean_count,
cq->next_to_clean = ntc;
mutex_unlock(&cq->cq_lock);
spin_unlock(&cq->cq_lock);
/* Return number of descriptors actually cleaned */
*clean_count = i;
@ -435,7 +434,7 @@ int idpf_ctlq_post_rx_buffs(struct idpf_hw *hw, struct idpf_ctlq_info *cq,
if (*buff_count > 0)
buffs_avail = true;
mutex_lock(&cq->cq_lock);
spin_lock(&cq->cq_lock);
if (tbp >= cq->ring_size)
tbp = 0;
@ -524,7 +523,7 @@ post_buffs_out:
wr32(hw, cq->reg.tail, cq->next_to_post);
}
mutex_unlock(&cq->cq_lock);
spin_unlock(&cq->cq_lock);
/* return the number of buffers that were not posted */
*buff_count = *buff_count - i;
@ -552,7 +551,7 @@ int idpf_ctlq_recv(struct idpf_ctlq_info *cq, u16 *num_q_msg,
u16 i;
/* take the lock before we start messing with the ring */
mutex_lock(&cq->cq_lock);
spin_lock(&cq->cq_lock);
ntc = cq->next_to_clean;
@ -614,7 +613,7 @@ int idpf_ctlq_recv(struct idpf_ctlq_info *cq, u16 *num_q_msg,
cq->next_to_clean = ntc;
mutex_unlock(&cq->cq_lock);
spin_unlock(&cq->cq_lock);
*num_q_msg = i;
if (*num_q_msg == 0)

2
drivers/net/ethernet/intel/idpf/idpf_controlq_api.h
View file

@ -99,7 +99,7 @@ struct idpf_ctlq_info {
enum idpf_ctlq_type cq_type;
int q_id;
struct mutex cq_lock; /* control queue lock */
spinlock_t cq_lock; /* control queue lock */
/* used for interrupt processing */
u16 next_to_use;
u16 next_to_clean;

4
drivers/net/ethernet/intel/idpf/idpf_ethtool.c
View file

@ -47,7 +47,7 @@ static u32 idpf_get_rxfh_key_size(struct net_device *netdev)
struct idpf_vport_user_config_data *user_config;
if (!idpf_is_cap_ena_all(np->adapter, IDPF_RSS_CAPS, IDPF_CAP_RSS))
return -EOPNOTSUPP;
return 0;
user_config = &np->adapter->vport_config[np->vport_idx]->user_config;
@ -66,7 +66,7 @@ static u32 idpf_get_rxfh_indir_size(struct net_device *netdev)
struct idpf_vport_user_config_data *user_config;
if (!idpf_is_cap_ena_all(np->adapter, IDPF_RSS_CAPS, IDPF_CAP_RSS))
return -EOPNOTSUPP;
return 0;
user_config = &np->adapter->vport_config[np->vport_idx]->user_config;

12
drivers/net/ethernet/intel/idpf/idpf_lib.c
View file

@ -2314,8 +2314,12 @@ void *idpf_alloc_dma_mem(struct idpf_hw *hw, struct idpf_dma_mem *mem, u64 size)
struct idpf_adapter *adapter = hw->back;
size_t sz = ALIGN(size, 4096);
mem->va = dma_alloc_coherent(&adapter->pdev->dev, sz,
&mem->pa, GFP_KERNEL);
/* The control queue resources are freed under a spinlock, contiguous
* pages will avoid IOMMU remapping and the use vmap (and vunmap in
* dma_free_*() path.
*/
mem->va = dma_alloc_attrs(&adapter->pdev->dev, sz, &mem->pa,
GFP_KERNEL, DMA_ATTR_FORCE_CONTIGUOUS);
mem->size = sz;
return mem->va;
@ -2330,8 +2334,8 @@ void idpf_free_dma_mem(struct idpf_hw *hw, struct idpf_dma_mem *mem)
{
struct idpf_adapter *adapter = hw->back;
dma_free_coherent(&adapter->pdev->dev, mem->size,
mem->va, mem->pa);
dma_free_attrs(&adapter->pdev->dev, mem->size,
mem->va, mem->pa, DMA_ATTR_FORCE_CONTIGUOUS);
mem->size = 0;
mem->va = NULL;
mem->pa = 0;

10
drivers/net/ethernet/intel/igc/igc_main.c
View file

@ -7115,6 +7115,10 @@ static int igc_probe(struct pci_dev *pdev,
adapter->port_num = hw->bus.func;
adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
/* Disable ASPM L1.2 on I226 devices to avoid packet loss */
if (igc_is_device_id_i226(hw))
pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2);
err = pci_save_state(pdev);
if (err)
goto err_ioremap;
@ -7500,6 +7504,9 @@ static int __igc_resume(struct device *dev, bool rpm)
pci_enable_wake(pdev, PCI_D3hot, 0);
pci_enable_wake(pdev, PCI_D3cold, 0);
if (igc_is_device_id_i226(hw))
pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2);
if (igc_init_interrupt_scheme(adapter, true)) {
netdev_err(netdev, "Unable to allocate memory for queues\n");
return -ENOMEM;
@ -7625,6 +7632,9 @@ static pci_ers_result_t igc_io_slot_reset(struct pci_dev *pdev)
pci_enable_wake(pdev, PCI_D3hot, 0);
pci_enable_wake(pdev, PCI_D3cold, 0);
if (igc_is_device_id_i226(hw))
pci_disable_link_state_locked(pdev, PCIE_LINK_STATE_L1_2);
/* In case of PCI error, adapter loses its HW address
* so we should re-assign it here.
*/

31
drivers/net/ethernet/sun/niu.c
View file

@ -3336,7 +3336,7 @@ static int niu_rbr_add_page(struct niu *np, struct rx_ring_info *rp,
addr = np->ops->map_page(np->device, page, 0,
PAGE_SIZE, DMA_FROM_DEVICE);
if (!addr) {
if (np->ops->mapping_error(np->device, addr)) {
__free_page(page);
return -ENOMEM;
}
@ -6676,6 +6676,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
len = skb_headlen(skb);
mapping = np->ops->map_single(np->device, skb->data,
len, DMA_TO_DEVICE);
if (np->ops->mapping_error(np->device, mapping))
goto out_drop;
prod = rp->prod;
@ -6717,6 +6719,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
mapping = np->ops->map_page(np->device, skb_frag_page(frag),
skb_frag_off(frag), len,
DMA_TO_DEVICE);
if (np->ops->mapping_error(np->device, mapping))
goto out_unmap;
rp->tx_buffs[prod].skb = NULL;
rp->tx_buffs[prod].mapping = mapping;
@ -6741,6 +6745,19 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
out:
return NETDEV_TX_OK;
out_unmap:
while (i--) {
const skb_frag_t *frag;
prod = PREVIOUS_TX(rp, prod);
frag = &skb_shinfo(skb)->frags[i];
np->ops->unmap_page(np->device, rp->tx_buffs[prod].mapping,
skb_frag_size(frag), DMA_TO_DEVICE);
}
np->ops->unmap_single(np->device, rp->tx_buffs[rp->prod].mapping,
skb_headlen(skb), DMA_TO_DEVICE);
out_drop:
rp->tx_errors++;
kfree_skb(skb);
@ -9644,6 +9661,11 @@ static void niu_pci_unmap_single(struct device *dev, u64 dma_address,
dma_unmap_single(dev, dma_address, size, direction);
}
static int niu_pci_mapping_error(struct device *dev, u64 addr)
{
return dma_mapping_error(dev, addr);
}
static const struct niu_ops niu_pci_ops = {
.alloc_coherent = niu_pci_alloc_coherent,
.free_coherent = niu_pci_free_coherent,
@ -9651,6 +9673,7 @@ static const struct niu_ops niu_pci_ops = {
.unmap_page = niu_pci_unmap_page,
.map_single = niu_pci_map_single,
.unmap_single = niu_pci_unmap_single,
.mapping_error = niu_pci_mapping_error,
};
static void niu_driver_version(void)
@ -10019,6 +10042,11 @@ static void niu_phys_unmap_single(struct device *dev, u64 dma_address,
/* Nothing to do. */
}
static int niu_phys_mapping_error(struct device *dev, u64 dma_address)
{
return false;
}
static const struct niu_ops niu_phys_ops = {
.alloc_coherent = niu_phys_alloc_coherent,
.free_coherent = niu_phys_free_coherent,
@ -10026,6 +10054,7 @@ static const struct niu_ops niu_phys_ops = {
.unmap_page = niu_phys_unmap_page,
.map_single = niu_phys_map_single,
.unmap_single = niu_phys_unmap_single,
.mapping_error = niu_phys_mapping_error,
};
static int niu_of_probe(struct platform_device *op)

4
drivers/net/ethernet/sun/niu.h
View file

@ -2879,6 +2879,9 @@ struct tx_ring_info {
#define NEXT_TX(tp, index) \
(((index) + 1) < (tp)->pending ? ((index) + 1) : 0)
#define PREVIOUS_TX(tp, index) \
(((index) - 1) >= 0 ? ((index) - 1) : (((tp)->pending) - 1))
static inline u32 niu_tx_avail(struct tx_ring_info *tp)
{
return (tp->pending -
@ -3140,6 +3143,7 @@ struct niu_ops {
enum dma_data_direction direction);
void (*unmap_single)(struct device *dev, u64 dma_address,
size_t size, enum dma_data_direction direction);
int (*mapping_error)(struct device *dev, u64 dma_address);
};
struct niu_link_config {

27
drivers/net/ethernet/wangxun/libwx/wx_lib.c
View file

@ -1705,6 +1705,7 @@ static void wx_set_rss_queues(struct wx *wx)
clear_bit(WX_FLAG_FDIR_HASH, wx->flags);
wx->ring_feature[RING_F_FDIR].indices = 1;
/* Use Flow Director in addition to RSS to ensure the best
* distribution of flows across cores, even when an FDIR flow
* isn't matched.
@ -1746,7 +1747,7 @@ static void wx_set_num_queues(struct wx *wx)
*/
static int wx_acquire_msix_vectors(struct wx *wx)
{
struct irq_affinity affd = { .pre_vectors = 1 };
struct irq_affinity affd = { .post_vectors = 1 };
int nvecs, i;
/* We start by asking for one vector per queue pair */
@ -1783,16 +1784,24 @@ static int wx_acquire_msix_vectors(struct wx *wx)
return nvecs;
}
wx->msix_entry->entry = 0;
wx->msix_entry->vector = pci_irq_vector(wx->pdev, 0);
nvecs -= 1;
for (i = 0; i < nvecs; i++) {
wx->msix_q_entries[i].entry = i;
wx->msix_q_entries[i].vector = pci_irq_vector(wx->pdev, i + 1);
wx->msix_q_entries[i].vector = pci_irq_vector(wx->pdev, i);
}
wx->num_q_vectors = nvecs;
wx->msix_entry->entry = nvecs;
wx->msix_entry->vector = pci_irq_vector(wx->pdev, nvecs);
if (test_bit(WX_FLAG_IRQ_VECTOR_SHARED, wx->flags)) {
wx->msix_entry->entry = 0;
wx->msix_entry->vector = pci_irq_vector(wx->pdev, 0);
wx->msix_q_entries[0].entry = 0;
wx->msix_q_entries[0].vector = pci_irq_vector(wx->pdev, 1);
}
return 0;
}
@ -2291,6 +2300,8 @@ static void wx_set_ivar(struct wx *wx, s8 direction,
if (direction == -1) {
/* other causes */
if (test_bit(WX_FLAG_IRQ_VECTOR_SHARED, wx->flags))
msix_vector = 0;
msix_vector |= WX_PX_IVAR_ALLOC_VAL;
index = 0;
ivar = rd32(wx, WX_PX_MISC_IVAR);
@ -2299,8 +2310,6 @@ static void wx_set_ivar(struct wx *wx, s8 direction,
wr32(wx, WX_PX_MISC_IVAR, ivar);
} else {
/* tx or rx causes */
if (!(wx->mac.type == wx_mac_em && wx->num_vfs == 7))
msix_vector += 1; /* offset for queue vectors */
msix_vector |= WX_PX_IVAR_ALLOC_VAL;
index = ((16 * (queue & 1)) + (8 * direction));
ivar = rd32(wx, WX_PX_IVAR(queue >> 1));
@ -2339,7 +2348,7 @@ void wx_write_eitr(struct wx_q_vector *q_vector)
itr_reg |= WX_PX_ITR_CNT_WDIS;
wr32(wx, WX_PX_ITR(v_idx + 1), itr_reg);
wr32(wx, WX_PX_ITR(v_idx), itr_reg);
}
/**
@ -2392,9 +2401,9 @@ void wx_configure_vectors(struct wx *wx)
wx_write_eitr(q_vector);
}
wx_set_ivar(wx, -1, 0, 0);
wx_set_ivar(wx, -1, 0, v_idx);
if (pdev->msix_enabled)
wr32(wx, WX_PX_ITR(0), 1950);
wr32(wx, WX_PX_ITR(v_idx), 1950);
}
EXPORT_SYMBOL(wx_configure_vectors);

4
drivers/net/ethernet/wangxun/libwx/wx_sriov.c
View file

@ -64,6 +64,7 @@ static void wx_sriov_clear_data(struct wx *wx)
wr32m(wx, WX_PSR_VM_CTL, WX_PSR_VM_CTL_POOL_MASK, 0);
wx->ring_feature[RING_F_VMDQ].offset = 0;
clear_bit(WX_FLAG_IRQ_VECTOR_SHARED, wx->flags);
clear_bit(WX_FLAG_SRIOV_ENABLED, wx->flags);
/* Disable VMDq flag so device will be set in NM mode */
if (wx->ring_feature[RING_F_VMDQ].limit == 1)
@ -78,6 +79,9 @@ static int __wx_enable_sriov(struct wx *wx, u8 num_vfs)
set_bit(WX_FLAG_SRIOV_ENABLED, wx->flags);
dev_info(&wx->pdev->dev, "SR-IOV enabled with %d VFs\n", num_vfs);
if (num_vfs == 7 && wx->mac.type == wx_mac_em)
set_bit(WX_FLAG_IRQ_VECTOR_SHARED, wx->flags);
/* Enable VMDq flag so device will be set in VM mode */
set_bit(WX_FLAG_VMDQ_ENABLED, wx->flags);
if (!wx->ring_feature[RING_F_VMDQ].limit)

3
drivers/net/ethernet/wangxun/libwx/wx_type.h
View file

@ -1191,6 +1191,7 @@ enum wx_pf_flags {
WX_FLAG_VMDQ_ENABLED,
WX_FLAG_VLAN_PROMISC,
WX_FLAG_SRIOV_ENABLED,
WX_FLAG_IRQ_VECTOR_SHARED,
WX_FLAG_FDIR_CAPABLE,
WX_FLAG_FDIR_HASH,
WX_FLAG_FDIR_PERFECT,
@ -1343,7 +1344,7 @@ struct wx {
};
#define WX_INTR_ALL (~0ULL)
#define WX_INTR_Q(i) BIT((i) + 1)
#define WX_INTR_Q(i) BIT((i))
/* register operations */
#define wr32(a, reg, value) writel((value), ((a)->hw_addr + (reg)))

4
drivers/net/ethernet/wangxun/ngbe/ngbe_main.c
View file

@ -161,7 +161,7 @@ static void ngbe_irq_enable(struct wx *wx, bool queues)
if (queues)
wx_intr_enable(wx, NGBE_INTR_ALL);
else
wx_intr_enable(wx, NGBE_INTR_MISC);
wx_intr_enable(wx, NGBE_INTR_MISC(wx));
}
/**
@ -286,7 +286,7 @@ static int ngbe_request_msix_irqs(struct wx *wx)
* for queue. But when num_vfs == 7, vector[1] is assigned to vf6.
* Misc and queue should reuse interrupt vector[0].
*/
if (wx->num_vfs == 7)
if (test_bit(WX_FLAG_IRQ_VECTOR_SHARED, wx->flags))
err = request_irq(wx->msix_entry->vector,
ngbe_misc_and_queue, 0, netdev->name, wx);
else

2
drivers/net/ethernet/wangxun/ngbe/ngbe_type.h
View file

@ -87,7 +87,7 @@
#define NGBE_PX_MISC_IC_TIMESYNC BIT(11) /* time sync */
#define NGBE_INTR_ALL 0x1FF
#define NGBE_INTR_MISC BIT(0)
#define NGBE_INTR_MISC(A) BIT((A)->msix_entry->entry)
#define NGBE_PHY_CONFIG(reg_offset) (0x14000 + ((reg_offset) * 4))
#define NGBE_CFG_LAN_SPEED 0x14440

1
drivers/net/ethernet/wangxun/txgbe/txgbe_aml.c
View file

@ -294,6 +294,7 @@ static void txgbe_mac_link_up_aml(struct phylink_config *config,
wx_fc_enable(wx, tx_pause, rx_pause);
txgbe_reconfig_mac(wx);
txgbe_enable_sec_tx_path(wx);
txcfg = rd32(wx, TXGBE_AML_MAC_TX_CFG);
txcfg &= ~TXGBE_AML_MAC_TX_CFG_SPEED_MASK;

8
drivers/net/ethernet/wangxun/txgbe/txgbe_irq.c
View file

@ -31,7 +31,7 @@ void txgbe_irq_enable(struct wx *wx, bool queues)
wr32(wx, WX_PX_MISC_IEN, misc_ien);
/* unmask interrupt */
wx_intr_enable(wx, TXGBE_INTR_MISC);
wx_intr_enable(wx, TXGBE_INTR_MISC(wx));
if (queues)
wx_intr_enable(wx, TXGBE_INTR_QALL(wx));
}
@ -78,7 +78,6 @@ free_queue_irqs:
free_irq(wx->msix_q_entries[vector].vector,
wx->q_vector[vector]);
}
wx_reset_interrupt_capability(wx);
return err;
}
@ -132,7 +131,7 @@ static irqreturn_t txgbe_misc_irq_handle(int irq, void *data)
txgbe->eicr = eicr;
if (eicr & TXGBE_PX_MISC_IC_VF_MBOX) {
wx_msg_task(txgbe->wx);
wx_intr_enable(wx, TXGBE_INTR_MISC);
wx_intr_enable(wx, TXGBE_INTR_MISC(wx));
}
return IRQ_WAKE_THREAD;
}
@ -184,7 +183,7 @@ static irqreturn_t txgbe_misc_irq_thread_fn(int irq, void *data)
nhandled++;
}
wx_intr_enable(wx, TXGBE_INTR_MISC);
wx_intr_enable(wx, TXGBE_INTR_MISC(wx));
return (nhandled > 0 ? IRQ_HANDLED : IRQ_NONE);
}
@ -211,6 +210,7 @@ void txgbe_free_misc_irq(struct txgbe *txgbe)
free_irq(txgbe->link_irq, txgbe);
free_irq(txgbe->misc.irq, txgbe);
txgbe_del_irq_domain(txgbe);
txgbe->wx->misc_irq_domain = false;
}
int txgbe_setup_misc_irq(struct txgbe *txgbe)

22
drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
View file

@ -458,10 +458,14 @@ static int txgbe_open(struct net_device *netdev)
wx_configure(wx);
err = txgbe_request_queue_irqs(wx);
err = txgbe_setup_misc_irq(wx->priv);
if (err)
goto err_free_resources;
err = txgbe_request_queue_irqs(wx);
if (err)
goto err_free_misc_irq;
/* Notify the stack of the actual queue counts. */
err = netif_set_real_num_tx_queues(netdev, wx->num_tx_queues);
if (err)
@ -479,6 +483,9 @@ static int txgbe_open(struct net_device *netdev)
err_free_irq:
wx_free_irq(wx);
err_free_misc_irq:
txgbe_free_misc_irq(wx->priv);
wx_reset_interrupt_capability(wx);
err_free_resources:
wx_free_resources(wx);
err_reset:
@ -519,6 +526,7 @@ static int txgbe_close(struct net_device *netdev)
wx_ptp_stop(wx);
txgbe_down(wx);
wx_free_irq(wx);
txgbe_free_misc_irq(wx->priv);
wx_free_resources(wx);
txgbe_fdir_filter_exit(wx);
wx_control_hw(wx, false);
@ -564,7 +572,6 @@ static void txgbe_shutdown(struct pci_dev *pdev)
int txgbe_setup_tc(struct net_device *dev, u8 tc)
{
struct wx *wx = netdev_priv(dev);
struct txgbe *txgbe = wx->priv;
/* Hardware has to reinitialize queues and interrupts to
* match packet buffer alignment. Unfortunately, the
@ -575,7 +582,6 @@ int txgbe_setup_tc(struct net_device *dev, u8 tc)
else
txgbe_reset(wx);
txgbe_free_misc_irq(txgbe);
wx_clear_interrupt_scheme(wx);
if (tc)
@ -584,7 +590,6 @@ int txgbe_setup_tc(struct net_device *dev, u8 tc)
netdev_reset_tc(dev);
wx_init_interrupt_scheme(wx);
txgbe_setup_misc_irq(txgbe);
if (netif_running(dev))
txgbe_open(dev);
@ -882,13 +887,9 @@ static int txgbe_probe(struct pci_dev *pdev,
txgbe_init_fdir(txgbe);
err = txgbe_setup_misc_irq(txgbe);
if (err)
goto err_release_hw;
err = txgbe_init_phy(txgbe);
if (err)
goto err_free_misc_irq;
goto err_release_hw;
err = register_netdev(netdev);
if (err)
@ -916,8 +917,6 @@ static int txgbe_probe(struct pci_dev *pdev,
err_remove_phy:
txgbe_remove_phy(txgbe);
err_free_misc_irq:
txgbe_free_misc_irq(txgbe);
err_release_hw:
wx_clear_interrupt_scheme(wx);
wx_control_hw(wx, false);
@ -957,7 +956,6 @@ static void txgbe_remove(struct pci_dev *pdev)
unregister_netdev(netdev);
txgbe_remove_phy(txgbe);
txgbe_free_misc_irq(txgbe);
wx_free_isb_resources(wx);
pci_release_selected_regions(pdev,

4
drivers/net/ethernet/wangxun/txgbe/txgbe_type.h
View file

@ -302,8 +302,8 @@ struct txgbe_fdir_filter {
#define TXGBE_DEFAULT_RX_WORK 128
#endif
#define TXGBE_INTR_MISC BIT(0)
#define TXGBE_INTR_QALL(A) GENMASK((A)->num_q_vectors, 1)
#define TXGBE_INTR_MISC(A) BIT((A)->num_q_vectors)
#define TXGBE_INTR_QALL(A) (TXGBE_INTR_MISC(A) - 1)
#define TXGBE_MAX_EITR GENMASK(11, 3)

2
drivers/net/usb/lan78xx.c
View file

@ -4567,8 +4567,6 @@ static void lan78xx_disconnect(struct usb_interface *intf)
if (!dev)
return;
netif_napi_del(&dev->napi);
udev = interface_to_usbdev(intf);
net = dev->net;

111
drivers/net/virtio_net.c
View file

@ -778,6 +778,26 @@ static unsigned int mergeable_ctx_to_truesize(void *mrg_ctx)
return (unsigned long)mrg_ctx & ((1 << MRG_CTX_HEADER_SHIFT) - 1);
}
static int check_mergeable_len(struct net_device *dev, void *mrg_ctx,
unsigned int len)
{
unsigned int headroom, tailroom, room, truesize;
truesize = mergeable_ctx_to_truesize(mrg_ctx);
headroom = mergeable_ctx_to_headroom(mrg_ctx);
tailroom = headroom ? sizeof(struct skb_shared_info) : 0;
room = SKB_DATA_ALIGN(headroom + tailroom);
if (len > truesize - room) {
pr_debug("%s: rx error: len %u exceeds truesize %lu\n",
dev->name, len, (unsigned long)(truesize - room));
DEV_STATS_INC(dev, rx_length_errors);
return -1;
}
return 0;
}
static struct sk_buff *virtnet_build_skb(void *buf, unsigned int buflen,
unsigned int headroom,
unsigned int len)
@ -1084,7 +1104,7 @@ static bool tx_may_stop(struct virtnet_info *vi,
* Since most packets only take 1 or 2 ring slots, stopping the queue
* early means 16 slots are typically wasted.
*/
if (sq->vq->num_free < 2+MAX_SKB_FRAGS) {
if (sq->vq->num_free < MAX_SKB_FRAGS + 2) {
struct netdev_queue *txq = netdev_get_tx_queue(dev, qnum);
netif_tx_stop_queue(txq);
@ -1116,7 +1136,7 @@ static void check_sq_full_and_disable(struct virtnet_info *vi,
} else if (unlikely(!virtqueue_enable_cb_delayed(sq->vq))) {
/* More just got used, free them then recheck. */
free_old_xmit(sq, txq, false);
if (sq->vq->num_free >= 2+MAX_SKB_FRAGS) {
if (sq->vq->num_free >= MAX_SKB_FRAGS + 2) {
netif_start_subqueue(dev, qnum);
u64_stats_update_begin(&sq->stats.syncp);
u64_stats_inc(&sq->stats.wake);
@ -1127,15 +1147,29 @@ static void check_sq_full_and_disable(struct virtnet_info *vi,
}
}
/* Note that @len is the length of received data without virtio header */
static struct xdp_buff *buf_to_xdp(struct virtnet_info *vi,
struct receive_queue *rq, void *buf, u32 len)
struct receive_queue *rq, void *buf,
u32 len, bool first_buf)
{
struct xdp_buff *xdp;
u32 bufsize;
xdp = (struct xdp_buff *)buf;
bufsize = xsk_pool_get_rx_frame_size(rq->xsk_pool) + vi->hdr_len;
/* In virtnet_add_recvbuf_xsk, we use part of XDP_PACKET_HEADROOM for
* virtio header and ask the vhost to fill data from
* hard_start + XDP_PACKET_HEADROOM - vi->hdr_len
* The first buffer has virtio header so the remaining region for frame
* data is
* xsk_pool_get_rx_frame_size()
* While other buffers than the first one do not have virtio header, so
* the maximum frame data's length can be
* xsk_pool_get_rx_frame_size() + vi->hdr_len
*/
bufsize = xsk_pool_get_rx_frame_size(rq->xsk_pool);
if (!first_buf)
bufsize += vi->hdr_len;
if (unlikely(len > bufsize)) {
pr_debug("%s: rx error: len %u exceeds truesize %u\n",
@ -1260,7 +1294,7 @@ static int xsk_append_merge_buffer(struct virtnet_info *vi,
u64_stats_add(&stats->bytes, len);
xdp = buf_to_xdp(vi, rq, buf, len);
xdp = buf_to_xdp(vi, rq, buf, len, false);
if (!xdp)
goto err;
@ -1358,7 +1392,7 @@ static void virtnet_receive_xsk_buf(struct virtnet_info *vi, struct receive_queu
u64_stats_add(&stats->bytes, len);
xdp = buf_to_xdp(vi, rq, buf, len);
xdp = buf_to_xdp(vi, rq, buf, len, true);
if (!xdp)
return;
@ -1797,7 +1831,8 @@ static unsigned int virtnet_get_headroom(struct virtnet_info *vi)
* across multiple buffers (num_buf > 1), and we make sure buffers
* have enough headroom.
*/
static struct page *xdp_linearize_page(struct receive_queue *rq,
static struct page *xdp_linearize_page(struct net_device *dev,
struct receive_queue *rq,
int *num_buf,
struct page *p,
int offset,
@ -1817,18 +1852,27 @@ static struct page *xdp_linearize_page(struct receive_queue *rq,
memcpy(page_address(page) + page_off, page_address(p) + offset, *len);
page_off += *len;
/* Only mergeable mode can go inside this while loop. In small mode,
* *num_buf == 1, so it cannot go inside.
*/
while (--*num_buf) {
unsigned int buflen;
void *buf;
void *ctx;
int off;
buf = virtnet_rq_get_buf(rq, &buflen, NULL);
buf = virtnet_rq_get_buf(rq, &buflen, &ctx);
if (unlikely(!buf))
goto err_buf;
p = virt_to_head_page(buf);
off = buf - page_address(p);
if (check_mergeable_len(dev, ctx, buflen)) {
put_page(p);
goto err_buf;
}
/* guard against a misconfigured or uncooperative backend that
* is sending packet larger than the MTU.
*/
@ -1917,7 +1961,7 @@ static struct sk_buff *receive_small_xdp(struct net_device *dev,
headroom = vi->hdr_len + header_offset;
buflen = SKB_DATA_ALIGN(GOOD_PACKET_LEN + headroom) +
SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
xdp_page = xdp_linearize_page(rq, &num_buf, page,
xdp_page = xdp_linearize_page(dev, rq, &num_buf, page,
offset, header_offset,
&tlen);
if (!xdp_page)
@ -2126,10 +2170,9 @@ static int virtnet_build_xdp_buff_mrg(struct net_device *dev,
struct virtnet_rq_stats *stats)
{
struct virtio_net_hdr_mrg_rxbuf *hdr = buf;
unsigned int headroom, tailroom, room;
unsigned int truesize, cur_frag_size;
struct skb_shared_info *shinfo;
unsigned int xdp_frags_truesz = 0;
unsigned int truesize;
struct page *page;
skb_frag_t *frag;
int offset;
@ -2172,21 +2215,14 @@ static int virtnet_build_xdp_buff_mrg(struct net_device *dev,
page = virt_to_head_page(buf);
offset = buf - page_address(page);
truesize = mergeable_ctx_to_truesize(ctx);
headroom = mergeable_ctx_to_headroom(ctx);
tailroom = headroom ? sizeof(struct skb_shared_info) : 0;
room = SKB_DATA_ALIGN(headroom + tailroom);
cur_frag_size = truesize;
xdp_frags_truesz += cur_frag_size;
if (unlikely(len > truesize - room || cur_frag_size > PAGE_SIZE)) {
if (check_mergeable_len(dev, ctx, len)) {
put_page(page);
pr_debug("%s: rx error: len %u exceeds truesize %lu\n",
dev->name, len, (unsigned long)(truesize - room));
DEV_STATS_INC(dev, rx_length_errors);
goto err;
}
truesize = mergeable_ctx_to_truesize(ctx);
xdp_frags_truesz += truesize;
frag = &shinfo->frags[shinfo->nr_frags++];
skb_frag_fill_page_desc(frag, page, offset, len);
if (page_is_pfmemalloc(page))
@ -2252,7 +2288,7 @@ static void *mergeable_xdp_get_buf(struct virtnet_info *vi,
*/
if (!xdp_prog->aux->xdp_has_frags) {
/* linearize data for XDP */
xdp_page = xdp_linearize_page(rq, num_buf,
xdp_page = xdp_linearize_page(vi->dev, rq, num_buf,
*page, offset,
XDP_PACKET_HEADROOM,
len);
@ -2400,18 +2436,12 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
struct sk_buff *head_skb, *curr_skb;
unsigned int truesize = mergeable_ctx_to_truesize(ctx);
unsigned int headroom = mergeable_ctx_to_headroom(ctx);
unsigned int tailroom = headroom ? sizeof(struct skb_shared_info) : 0;
unsigned int room = SKB_DATA_ALIGN(headroom + tailroom);
head_skb = NULL;
u64_stats_add(&stats->bytes, len - vi->hdr_len);
if (unlikely(len > truesize - room)) {
pr_debug("%s: rx error: len %u exceeds truesize %lu\n",
dev->name, len, (unsigned long)(truesize - room));
DEV_STATS_INC(dev, rx_length_errors);
if (check_mergeable_len(dev, ctx, len))
goto err_skb;
}
if (unlikely(vi->xdp_enabled)) {
struct bpf_prog *xdp_prog;
@ -2446,17 +2476,10 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
u64_stats_add(&stats->bytes, len);
page = virt_to_head_page(buf);
truesize = mergeable_ctx_to_truesize(ctx);
headroom = mergeable_ctx_to_headroom(ctx);
tailroom = headroom ? sizeof(struct skb_shared_info) : 0;
room = SKB_DATA_ALIGN(headroom + tailroom);
if (unlikely(len > truesize - room)) {
pr_debug("%s: rx error: len %u exceeds truesize %lu\n",
dev->name, len, (unsigned long)(truesize - room));
DEV_STATS_INC(dev, rx_length_errors);
if (check_mergeable_len(dev, ctx, len))
goto err_skb;
}
truesize = mergeable_ctx_to_truesize(ctx);
curr_skb = virtnet_skb_append_frag(head_skb, curr_skb, page,
buf, len, truesize);
if (!curr_skb)
@ -2998,7 +3021,7 @@ static void virtnet_poll_cleantx(struct receive_queue *rq, int budget)
free_old_xmit(sq, txq, !!budget);
} while (unlikely(!virtqueue_enable_cb_delayed(sq->vq)));
if (sq->vq->num_free >= 2 + MAX_SKB_FRAGS) {
if (sq->vq->num_free >= MAX_SKB_FRAGS + 2) {
if (netif_tx_queue_stopped(txq)) {
u64_stats_update_begin(&sq->stats.syncp);
u64_stats_inc(&sq->stats.wake);
@ -3195,7 +3218,7 @@ static int virtnet_poll_tx(struct napi_struct *napi, int budget)
else
free_old_xmit(sq, txq, !!budget);
if (sq->vq->num_free >= 2 + MAX_SKB_FRAGS) {
if (sq->vq->num_free >= MAX_SKB_FRAGS + 2) {
if (netif_tx_queue_stopped(txq)) {
u64_stats_update_begin(&sq->stats.syncp);
u64_stats_inc(&sq->stats.wake);
@ -3481,6 +3504,12 @@ static int virtnet_tx_resize(struct virtnet_info *vi, struct send_queue *sq,
{
int qindex, err;
if (ring_num <= MAX_SKB_FRAGS + 2) {
netdev_err(vi->dev, "tx size (%d) cannot be smaller than %d\n",
ring_num, MAX_SKB_FRAGS + 2);
return -EINVAL;
}
qindex = sq - vi->sq;
virtnet_tx_pause(vi, sq);

8
drivers/virtio/virtio_ring.c
View file

@ -2797,7 +2797,7 @@ int virtqueue_resize(struct virtqueue *_vq, u32 num,
void (*recycle_done)(struct virtqueue *vq))
{
struct vring_virtqueue *vq = to_vvq(_vq);
int err;
int err, err_reset;
if (num > vq->vq.num_max)
return -E2BIG;
@ -2819,7 +2819,11 @@ int virtqueue_resize(struct virtqueue *_vq, u32 num,
else
err = virtqueue_resize_split(_vq, num);
return virtqueue_enable_after_reset(_vq);
err_reset = virtqueue_enable_after_reset(_vq);
if (err_reset)
return err_reset;
return err;
}
EXPORT_SYMBOL_GPL(virtqueue_resize);

4
lib/test_objagg.c
View file

@ -899,8 +899,10 @@ static int check_expect_hints_stats(struct objagg_hints *objagg_hints,
int err;
stats = objagg_hints_stats_get(objagg_hints);
if (IS_ERR(stats))
if (IS_ERR(stats)) {
*errmsg = "objagg_hints_stats_get() failed.";
return PTR_ERR(stats);
}
err = __check_expect_stats(stats, expect_stats, errmsg);
objagg_stats_put(stats);
return err;

36
net/bluetooth/hci_event.c
View file

@ -2150,40 +2150,6 @@ static u8 hci_cc_set_adv_param(struct hci_dev *hdev, void *data,
return rp->status;
}
static u8 hci_cc_set_ext_adv_param(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
struct hci_rp_le_set_ext_adv_params *rp = data;
struct hci_cp_le_set_ext_adv_params *cp;
struct adv_info *adv_instance;
bt_dev_dbg(hdev, "status 0x%2.2x", rp->status);
if (rp->status)
return rp->status;
cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS);
if (!cp)
return rp->status;
hci_dev_lock(hdev);
hdev->adv_addr_type = cp->own_addr_type;
if (!cp->handle) {
/* Store in hdev for instance 0 */
hdev->adv_tx_power = rp->tx_power;
} else {
adv_instance = hci_find_adv_instance(hdev, cp->handle);
if (adv_instance)
adv_instance->tx_power = rp->tx_power;
}
/* Update adv data as tx power is known now */
hci_update_adv_data(hdev, cp->handle);
hci_dev_unlock(hdev);
return rp->status;
}
static u8 hci_cc_read_rssi(struct hci_dev *hdev, void *data,
struct sk_buff *skb)
{
@ -4164,8 +4130,6 @@ static const struct hci_cc {
HCI_CC(HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS,
hci_cc_le_read_num_adv_sets,
sizeof(struct hci_rp_le_read_num_supported_adv_sets)),
HCI_CC(HCI_OP_LE_SET_EXT_ADV_PARAMS, hci_cc_set_ext_adv_param,
sizeof(struct hci_rp_le_set_ext_adv_params)),
HCI_CC_STATUS(HCI_OP_LE_SET_EXT_ADV_ENABLE,
hci_cc_le_set_ext_adv_enable),
HCI_CC_STATUS(HCI_OP_LE_SET_ADV_SET_RAND_ADDR,

227
net/bluetooth/hci_sync.c
View file

@ -1205,9 +1205,126 @@ static int hci_set_adv_set_random_addr_sync(struct hci_dev *hdev, u8 instance,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
}
static int
hci_set_ext_adv_params_sync(struct hci_dev *hdev, struct adv_info *adv,
const struct hci_cp_le_set_ext_adv_params *cp,
struct hci_rp_le_set_ext_adv_params *rp)
{
struct sk_buff *skb;
skb = __hci_cmd_sync(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS, sizeof(*cp),
cp, HCI_CMD_TIMEOUT);
/* If command return a status event, skb will be set to -ENODATA */
if (skb == ERR_PTR(-ENODATA))
return 0;
if (IS_ERR(skb)) {
bt_dev_err(hdev, "Opcode 0x%4.4x failed: %ld",
HCI_OP_LE_SET_EXT_ADV_PARAMS, PTR_ERR(skb));
return PTR_ERR(skb);
}
if (skb->len != sizeof(*rp)) {
bt_dev_err(hdev, "Invalid response length for 0x%4.4x: %u",
HCI_OP_LE_SET_EXT_ADV_PARAMS, skb->len);
kfree_skb(skb);
return -EIO;
}
memcpy(rp, skb->data, sizeof(*rp));
kfree_skb(skb);
if (!rp->status) {
hdev->adv_addr_type = cp->own_addr_type;
if (!cp->handle) {
/* Store in hdev for instance 0 */
hdev->adv_tx_power = rp->tx_power;
} else if (adv) {
adv->tx_power = rp->tx_power;
}
}
return rp->status;
}
static int hci_set_ext_adv_data_sync(struct hci_dev *hdev, u8 instance)
{
DEFINE_FLEX(struct hci_cp_le_set_ext_adv_data, pdu, data, length,
HCI_MAX_EXT_AD_LENGTH);
u8 len;
struct adv_info *adv = NULL;
int err;
if (instance) {
adv = hci_find_adv_instance(hdev, instance);
if (!adv || !adv->adv_data_changed)
return 0;
}
len = eir_create_adv_data(hdev, instance, pdu->data,
HCI_MAX_EXT_AD_LENGTH);
pdu->length = len;
pdu->handle = adv ? adv->handle : instance;
pdu->operation = LE_SET_ADV_DATA_OP_COMPLETE;
pdu->frag_pref = LE_SET_ADV_DATA_NO_FRAG;
err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_DATA,
struct_size(pdu, data, len), pdu,
HCI_CMD_TIMEOUT);
if (err)
return err;
/* Update data if the command succeed */
if (adv) {
adv->adv_data_changed = false;
} else {
memcpy(hdev->adv_data, pdu->data, len);
hdev->adv_data_len = len;
}
return 0;
}
static int hci_set_adv_data_sync(struct hci_dev *hdev, u8 instance)
{
struct hci_cp_le_set_adv_data cp;
u8 len;
memset(&cp, 0, sizeof(cp));
len = eir_create_adv_data(hdev, instance, cp.data, sizeof(cp.data));
/* There's nothing to do if the data hasn't changed */
if (hdev->adv_data_len == len &&
memcmp(cp.data, hdev->adv_data, len) == 0)
return 0;
memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
hdev->adv_data_len = len;
cp.length = len;
return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_DATA,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
}
int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance)
{
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
return 0;
if (ext_adv_capable(hdev))
return hci_set_ext_adv_data_sync(hdev, instance);
return hci_set_adv_data_sync(hdev, instance);
}
int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance)
{
struct hci_cp_le_set_ext_adv_params cp;
struct hci_rp_le_set_ext_adv_params rp;
bool connectable;
u32 flags;
bdaddr_t random_addr;
@ -1316,8 +1433,12 @@ int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance)
cp.secondary_phy = HCI_ADV_PHY_1M;
}
err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
err = hci_set_ext_adv_params_sync(hdev, adv, &cp, &rp);
if (err)
return err;
/* Update adv data as tx power is known now */
err = hci_set_ext_adv_data_sync(hdev, cp.handle);
if (err)
return err;
@ -1822,79 +1943,6 @@ int hci_le_terminate_big_sync(struct hci_dev *hdev, u8 handle, u8 reason)
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
}
static int hci_set_ext_adv_data_sync(struct hci_dev *hdev, u8 instance)
{
DEFINE_FLEX(struct hci_cp_le_set_ext_adv_data, pdu, data, length,
HCI_MAX_EXT_AD_LENGTH);
u8 len;
struct adv_info *adv = NULL;
int err;
if (instance) {
adv = hci_find_adv_instance(hdev, instance);
if (!adv || !adv->adv_data_changed)
return 0;
}
len = eir_create_adv_data(hdev, instance, pdu->data,
HCI_MAX_EXT_AD_LENGTH);
pdu->length = len;
pdu->handle = adv ? adv->handle : instance;
pdu->operation = LE_SET_ADV_DATA_OP_COMPLETE;
pdu->frag_pref = LE_SET_ADV_DATA_NO_FRAG;
err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_DATA,
struct_size(pdu, data, len), pdu,
HCI_CMD_TIMEOUT);
if (err)
return err;
/* Update data if the command succeed */
if (adv) {
adv->adv_data_changed = false;
} else {
memcpy(hdev->adv_data, pdu->data, len);
hdev->adv_data_len = len;
}
return 0;
}
static int hci_set_adv_data_sync(struct hci_dev *hdev, u8 instance)
{
struct hci_cp_le_set_adv_data cp;
u8 len;
memset(&cp, 0, sizeof(cp));
len = eir_create_adv_data(hdev, instance, cp.data, sizeof(cp.data));
/* There's nothing to do if the data hasn't changed */
if (hdev->adv_data_len == len &&
memcmp(cp.data, hdev->adv_data, len) == 0)
return 0;
memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
hdev->adv_data_len = len;
cp.length = len;
return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_DATA,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
}
int hci_update_adv_data_sync(struct hci_dev *hdev, u8 instance)
{
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
return 0;
if (ext_adv_capable(hdev))
return hci_set_ext_adv_data_sync(hdev, instance);
return hci_set_adv_data_sync(hdev, instance);
}
int hci_schedule_adv_instance_sync(struct hci_dev *hdev, u8 instance,
bool force)
{
@ -1970,13 +2018,10 @@ static int hci_clear_adv_sets_sync(struct hci_dev *hdev, struct sock *sk)
static int hci_clear_adv_sync(struct hci_dev *hdev, struct sock *sk, bool force)
{
struct adv_info *adv, *n;
int err = 0;
if (ext_adv_capable(hdev))
/* Remove all existing sets */
err = hci_clear_adv_sets_sync(hdev, sk);
if (ext_adv_capable(hdev))
return err;
return hci_clear_adv_sets_sync(hdev, sk);
/* This is safe as long as there is no command send while the lock is
* held.
@ -2004,13 +2049,11 @@ static int hci_clear_adv_sync(struct hci_dev *hdev, struct sock *sk, bool force)
static int hci_remove_adv_sync(struct hci_dev *hdev, u8 instance,
struct sock *sk)
{
int err = 0;
int err;
/* If we use extended advertising, instance has to be removed first. */
if (ext_adv_capable(hdev))
err = hci_remove_ext_adv_instance_sync(hdev, instance, sk);
if (ext_adv_capable(hdev))
return err;
return hci_remove_ext_adv_instance_sync(hdev, instance, sk);
/* This is safe as long as there is no command send while the lock is
* held.
@ -2109,16 +2152,13 @@ int hci_read_tx_power_sync(struct hci_dev *hdev, __le16 handle, u8 type)
int hci_disable_advertising_sync(struct hci_dev *hdev)
{
u8 enable = 0x00;
int err = 0;
/* If controller is not advertising we are done. */
if (!hci_dev_test_flag(hdev, HCI_LE_ADV))
return 0;
if (ext_adv_capable(hdev))
err = hci_disable_ext_adv_instance_sync(hdev, 0x00);
if (ext_adv_capable(hdev))
return err;
return hci_disable_ext_adv_instance_sync(hdev, 0x00);
return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_ENABLE,
sizeof(enable), &enable, HCI_CMD_TIMEOUT);
@ -2481,6 +2521,10 @@ static int hci_pause_advertising_sync(struct hci_dev *hdev)
int err;
int old_state;
/* If controller is not advertising we are done. */
if (!hci_dev_test_flag(hdev, HCI_LE_ADV))
return 0;
/* If already been paused there is nothing to do. */
if (hdev->advertising_paused)
return 0;
@ -6277,6 +6321,7 @@ static int hci_le_ext_directed_advertising_sync(struct hci_dev *hdev,
struct hci_conn *conn)
{
struct hci_cp_le_set_ext_adv_params cp;
struct hci_rp_le_set_ext_adv_params rp;
int err;
bdaddr_t random_addr;
u8 own_addr_type;
@ -6318,8 +6363,12 @@ static int hci_le_ext_directed_advertising_sync(struct hci_dev *hdev,
if (err)
return err;
err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_PARAMS,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
err = hci_set_ext_adv_params_sync(hdev, NULL, &cp, &rp);
if (err)
return err;
/* Update adv data as tx power is known now */
err = hci_set_ext_adv_data_sync(hdev, cp.handle);
if (err)
return err;

25
net/bluetooth/mgmt.c
View file

@ -1080,7 +1080,8 @@ static int mesh_send_done_sync(struct hci_dev *hdev, void *data)
struct mgmt_mesh_tx *mesh_tx;
hci_dev_clear_flag(hdev, HCI_MESH_SENDING);
hci_disable_advertising_sync(hdev);
if (list_empty(&hdev->adv_instances))
hci_disable_advertising_sync(hdev);
mesh_tx = mgmt_mesh_next(hdev, NULL);
if (mesh_tx)
@ -2153,6 +2154,9 @@ static int set_mesh_sync(struct hci_dev *hdev, void *data)
else
hci_dev_clear_flag(hdev, HCI_MESH);
hdev->le_scan_interval = __le16_to_cpu(cp->period);
hdev->le_scan_window = __le16_to_cpu(cp->window);
len -= sizeof(*cp);
/* If filters don't fit, forward all adv pkts */
@ -2167,6 +2171,7 @@ static int set_mesh(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
{
struct mgmt_cp_set_mesh *cp = data;
struct mgmt_pending_cmd *cmd;
__u16 period, window;
int err = 0;
bt_dev_dbg(hdev, "sock %p", sk);
@ -2180,6 +2185,23 @@ static int set_mesh(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
MGMT_STATUS_INVALID_PARAMS);
/* Keep allowed ranges in sync with set_scan_params() */
period = __le16_to_cpu(cp->period);
if (period < 0x0004 || period > 0x4000)
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
MGMT_STATUS_INVALID_PARAMS);
window = __le16_to_cpu(cp->window);
if (window < 0x0004 || window > 0x4000)
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
MGMT_STATUS_INVALID_PARAMS);
if (window > period)
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_MESH_RECEIVER,
MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev);
cmd = mgmt_pending_add(sk, MGMT_OP_SET_MESH_RECEIVER, hdev, data, len);
@ -6432,6 +6454,7 @@ static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
MGMT_STATUS_NOT_SUPPORTED);
/* Keep allowed ranges in sync with set_mesh() */
interval = __le16_to_cpu(cp->interval);
if (interval < 0x0004 || interval > 0x4000)

7
net/ipv4/ip_input.c
View file

@ -319,8 +319,8 @@ static int ip_rcv_finish_core(struct net *net,
const struct sk_buff *hint)
{
const struct iphdr *iph = ip_hdr(skb);
int err, drop_reason;
struct rtable *rt;
int drop_reason;
if (ip_can_use_hint(skb, iph, hint)) {
drop_reason = ip_route_use_hint(skb, iph->daddr, iph->saddr,
@ -345,9 +345,10 @@ static int ip_rcv_finish_core(struct net *net,
break;
case IPPROTO_UDP:
if (READ_ONCE(net->ipv4.sysctl_udp_early_demux)) {
err = udp_v4_early_demux(skb);
if (unlikely(err))
drop_reason = udp_v4_early_demux(skb);
if (unlikely(drop_reason))
goto drop_error;
drop_reason = SKB_DROP_REASON_NOT_SPECIFIED;
/* must reload iph, skb->head might have changed */
iph = ip_hdr(skb);

15
net/rose/rose_route.c
View file

@ -497,22 +497,15 @@ void rose_rt_device_down(struct net_device *dev)
t = rose_node;
rose_node = rose_node->next;
for (i = 0; i < t->count; i++) {
for (i = t->count - 1; i >= 0; i--) {
if (t->neighbour[i] != s)
continue;
t->count--;
switch (i) {
case 0:
t->neighbour[0] = t->neighbour[1];
fallthrough;
case 1:
t->neighbour[1] = t->neighbour[2];
break;
case 2:
break;
}
memmove(&t->neighbour[i], &t->neighbour[i + 1],
sizeof(t->neighbour[0]) *
(t->count - i));
}
if (t->count <= 0)

19
net/sched/sch_api.c
View file

@ -780,15 +780,12 @@ static u32 qdisc_alloc_handle(struct net_device *dev)
void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
{
bool qdisc_is_offloaded = sch->flags & TCQ_F_OFFLOADED;
const struct Qdisc_class_ops *cops;
unsigned long cl;
u32 parentid;
bool notify;
int drops;
if (n == 0 && len == 0)
return;
drops = max_t(int, n, 0);
rcu_read_lock();
while ((parentid = sch->parent)) {
@ -797,17 +794,8 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
if (sch->flags & TCQ_F_NOPARENT)
break;
/* Notify parent qdisc only if child qdisc becomes empty.
*
* If child was empty even before update then backlog
* counter is screwed and we skip notification because
* parent class is already passive.
*
* If the original child was offloaded then it is allowed
* to be seem as empty, so the parent is notified anyway.
*/
notify = !sch->q.qlen && !WARN_ON_ONCE(!n &&
!qdisc_is_offloaded);
/* Notify parent qdisc only if child qdisc becomes empty. */
notify = !sch->q.qlen;
/* TODO: perform the search on a per txq basis */
sch = qdisc_lookup_rcu(qdisc_dev(sch), TC_H_MAJ(parentid));
if (sch == NULL) {
@ -816,6 +804,9 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
}
cops = sch->ops->cl_ops;
if (notify && cops->qlen_notify) {
/* Note that qlen_notify must be idempotent as it may get called
* multiple times.
*/
cl = cops->find(sch, parentid);
cops->qlen_notify(sch, cl);
}

4
net/vmw_vsock/vmci_transport.c
View file

@ -119,6 +119,8 @@ vmci_transport_packet_init(struct vmci_transport_packet *pkt,
u16 proto,
struct vmci_handle handle)
{
memset(pkt, 0, sizeof(*pkt));
/* We register the stream control handler as an any cid handle so we
* must always send from a source address of VMADDR_CID_ANY
*/
@ -131,8 +133,6 @@ vmci_transport_packet_init(struct vmci_transport_packet *pkt,
pkt->type = type;
pkt->src_port = src->svm_port;
pkt->dst_port = dst->svm_port;
memset(&pkt->proto, 0, sizeof(pkt->proto));
memset(&pkt->_reserved2, 0, sizeof(pkt->_reserved2));
switch (pkt->type) {
case VMCI_TRANSPORT_PACKET_TYPE_INVALID: