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authorJakub Kicinski <kuba@kernel.org>2022-05-23 21:19:17 -0700
committerJakub Kicinski <kuba@kernel.org>2022-05-23 21:19:17 -0700
commit677fb7525331375ba2f90f4bc94a80b9b6e697a3 (patch)
treed7b9574e487930977c240c5503a3103e32e41cec /drivers/net
parent1ef0736c0711e2633a59b540931406de626f2836 (diff)
parent7fb0269720d7d5359bc8349eef908a1c96866b65 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/ethernet/cadence/macb_main.c 5cebb40bc955 ("net: macb: Fix PTP one step sync support") 138badbc21a0 ("net: macb: use NAPI for TX completion path") https://lore.kernel.org/all/20220523111021.31489367@canb.auug.org.au/ net/smc/af_smc.c 75c1edf23b95 ("net/smc: postpone sk_refcnt increment in connect()") 3aba103006bc ("net/smc: align the connect behaviour with TCP") https://lore.kernel.org/all/20220524114408.4bf1af38@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/amt.c11
-rw-r--r--drivers/net/bonding/bond_main.c15
-rw-r--r--drivers/net/dsa/Kconfig3
-rw-r--r--drivers/net/ethernet/cadence/macb_main.c40
-rw-r--r--drivers/net/ethernet/cadence/macb_ptp.c4
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c12
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c8
-rw-r--r--drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c13
-rw-r--r--drivers/net/hyperv/netvsc_drv.c5
10 files changed, 82 insertions, 31 deletions
diff --git a/drivers/net/amt.c b/drivers/net/amt.c
index 10455c9b9da0..de4ea518c793 100644
--- a/drivers/net/amt.c
+++ b/drivers/net/amt.c
@@ -943,7 +943,7 @@ static void amt_req_work(struct work_struct *work)
if (amt->status < AMT_STATUS_RECEIVED_ADVERTISEMENT)
goto out;
- if (amt->req_cnt++ > AMT_MAX_REQ_COUNT) {
+ if (amt->req_cnt > AMT_MAX_REQ_COUNT) {
netdev_dbg(amt->dev, "Gateway is not ready");
amt->qi = AMT_INIT_REQ_TIMEOUT;
amt->ready4 = false;
@@ -951,13 +951,15 @@ static void amt_req_work(struct work_struct *work)
amt->remote_ip = 0;
__amt_update_gw_status(amt, AMT_STATUS_INIT, false);
amt->req_cnt = 0;
+ goto out;
}
spin_unlock_bh(&amt->lock);
amt_send_request(amt, false);
amt_send_request(amt, true);
- amt_update_gw_status(amt, AMT_STATUS_SENT_REQUEST, true);
spin_lock_bh(&amt->lock);
+ __amt_update_gw_status(amt, AMT_STATUS_SENT_REQUEST, true);
+ amt->req_cnt++;
out:
exp = min_t(u32, (1 * (1 << amt->req_cnt)), AMT_MAX_REQ_TIMEOUT);
mod_delayed_work(amt_wq, &amt->req_wq, msecs_to_jiffies(exp * 1000));
@@ -2696,9 +2698,8 @@ static int amt_rcv(struct sock *sk, struct sk_buff *skb)
err = true;
goto drop;
}
- if (amt_advertisement_handler(amt, skb))
- amt->dev->stats.rx_dropped++;
- goto out;
+ err = amt_advertisement_handler(amt, skb);
+ break;
case AMT_MSG_MULTICAST_DATA:
if (iph->saddr != amt->remote_ip) {
netdev_dbg(amt->dev, "Invalid Relay IP\n");
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index f245e439f44c..3b7baaeae82c 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -5591,16 +5591,23 @@ static int bond_ethtool_get_ts_info(struct net_device *bond_dev,
const struct ethtool_ops *ops;
struct net_device *real_dev;
struct phy_device *phydev;
+ int ret = 0;
+ rcu_read_lock();
real_dev = bond_option_active_slave_get_rcu(bond);
+ dev_hold(real_dev);
+ rcu_read_unlock();
+
if (real_dev) {
ops = real_dev->ethtool_ops;
phydev = real_dev->phydev;
if (phy_has_tsinfo(phydev)) {
- return phy_ts_info(phydev, info);
+ ret = phy_ts_info(phydev, info);
+ goto out;
} else if (ops->get_ts_info) {
- return ops->get_ts_info(real_dev, info);
+ ret = ops->get_ts_info(real_dev, info);
+ goto out;
}
}
@@ -5608,7 +5615,9 @@ static int bond_ethtool_get_ts_info(struct net_device *bond_dev,
SOF_TIMESTAMPING_SOFTWARE;
info->phc_index = -1;
- return 0;
+out:
+ dev_put(real_dev);
+ return ret;
}
static const struct ethtool_ops bond_ethtool_ops = {
diff --git a/drivers/net/dsa/Kconfig b/drivers/net/dsa/Kconfig
index 37a3dabdce31..6d1fcb08bba1 100644
--- a/drivers/net/dsa/Kconfig
+++ b/drivers/net/dsa/Kconfig
@@ -72,7 +72,6 @@ source "drivers/net/dsa/realtek/Kconfig"
config NET_DSA_SMSC_LAN9303
tristate
- depends on VLAN_8021Q || VLAN_8021Q=n
select NET_DSA_TAG_LAN9303
select REGMAP
help
@@ -82,6 +81,7 @@ config NET_DSA_SMSC_LAN9303
config NET_DSA_SMSC_LAN9303_I2C
tristate "SMSC/Microchip LAN9303 3-ports 10/100 ethernet switch in I2C managed mode"
depends on I2C
+ depends on VLAN_8021Q || VLAN_8021Q=n
select NET_DSA_SMSC_LAN9303
select REGMAP_I2C
help
@@ -91,6 +91,7 @@ config NET_DSA_SMSC_LAN9303_I2C
config NET_DSA_SMSC_LAN9303_MDIO
tristate "SMSC/Microchip LAN9303 3-ports 10/100 ethernet switch in MDIO managed mode"
select NET_DSA_SMSC_LAN9303
+ depends on VLAN_8021Q || VLAN_8021Q=n
help
Enable access functions if the SMSC/Microchip LAN9303 is configured
for MDIO managed mode.
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index d6cdb97bfb38..d89098f4ede8 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -36,6 +36,7 @@
#include <linux/iopoll.h>
#include <linux/phy/phy.h>
#include <linux/pm_runtime.h>
+#include <linux/ptp_classify.h>
#include <linux/reset.h>
#include "macb.h"
@@ -1122,6 +1123,36 @@ static void macb_tx_error_task(struct work_struct *work)
napi_enable(&queue->napi_tx);
}
+static bool ptp_one_step_sync(struct sk_buff *skb)
+{
+ struct ptp_header *hdr;
+ unsigned int ptp_class;
+ u8 msgtype;
+
+ /* No need to parse packet if PTP TS is not involved */
+ if (likely(!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)))
+ goto not_oss;
+
+ /* Identify and return whether PTP one step sync is being processed */
+ ptp_class = ptp_classify_raw(skb);
+ if (ptp_class == PTP_CLASS_NONE)
+ goto not_oss;
+
+ hdr = ptp_parse_header(skb, ptp_class);
+ if (!hdr)
+ goto not_oss;
+
+ if (hdr->flag_field[0] & PTP_FLAG_TWOSTEP)
+ goto not_oss;
+
+ msgtype = ptp_get_msgtype(hdr, ptp_class);
+ if (msgtype == PTP_MSGTYPE_SYNC)
+ return true;
+
+not_oss:
+ return false;
+}
+
static int macb_tx_complete(struct macb_queue *queue, int budget)
{
struct macb *bp = queue->bp;
@@ -1158,8 +1189,8 @@ static int macb_tx_complete(struct macb_queue *queue, int budget)
/* First, update TX stats if needed */
if (skb) {
- if (unlikely(skb_shinfo(skb)->tx_flags &
- SKBTX_HW_TSTAMP) &&
+ if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
+ !ptp_one_step_sync(skb) &&
gem_ptp_do_txstamp(queue, skb, desc) == 0) {
/* skb now belongs to timestamp buffer
* and will be removed later
@@ -2063,7 +2094,8 @@ static unsigned int macb_tx_map(struct macb *bp,
ctrl |= MACB_BF(TX_LSO, lso_ctrl);
ctrl |= MACB_BF(TX_TCP_SEQ_SRC, seq_ctrl);
if ((bp->dev->features & NETIF_F_HW_CSUM) &&
- skb->ip_summed != CHECKSUM_PARTIAL && !lso_ctrl)
+ skb->ip_summed != CHECKSUM_PARTIAL && !lso_ctrl &&
+ !ptp_one_step_sync(skb))
ctrl |= MACB_BIT(TX_NOCRC);
} else
/* Only set MSS/MFS on payload descriptors
@@ -2161,7 +2193,7 @@ static int macb_pad_and_fcs(struct sk_buff **skb, struct net_device *ndev)
if (!(ndev->features & NETIF_F_HW_CSUM) ||
!((*skb)->ip_summed != CHECKSUM_PARTIAL) ||
- skb_shinfo(*skb)->gso_size) /* Not available for GSO */
+ skb_shinfo(*skb)->gso_size || ptp_one_step_sync(*skb))
return 0;
if (padlen <= 0) {
diff --git a/drivers/net/ethernet/cadence/macb_ptp.c b/drivers/net/ethernet/cadence/macb_ptp.c
index fb6b27f46b15..9559c16078f9 100644
--- a/drivers/net/ethernet/cadence/macb_ptp.c
+++ b/drivers/net/ethernet/cadence/macb_ptp.c
@@ -470,8 +470,10 @@ int gem_set_hwtst(struct net_device *dev, struct ifreq *ifr, int cmd)
case HWTSTAMP_TX_ONESTEP_SYNC:
if (gem_ptp_set_one_step_sync(bp, 1) != 0)
return -ERANGE;
- fallthrough;
+ tx_bd_control = TSTAMP_ALL_FRAMES;
+ break;
case HWTSTAMP_TX_ON:
+ gem_ptp_set_one_step_sync(bp, 0);
tx_bd_control = TSTAMP_ALL_FRAMES;
break;
default:
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 4b047255d928..cd9ec80522e7 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -1097,6 +1097,7 @@ static void dpaa2_eth_free_tx_fd(struct dpaa2_eth_priv *priv,
u32 fd_len = dpaa2_fd_get_len(fd);
struct dpaa2_sg_entry *sgt;
int should_free_skb = 1;
+ void *tso_hdr;
int i;
fd_addr = dpaa2_fd_get_addr(fd);
@@ -1135,20 +1136,21 @@ static void dpaa2_eth_free_tx_fd(struct dpaa2_eth_priv *priv,
sgt = (struct dpaa2_sg_entry *)(buffer_start +
priv->tx_data_offset);
+ /* Unmap the SGT buffer */
+ dma_unmap_single(dev, fd_addr, swa->tso.sgt_size,
+ DMA_BIDIRECTIONAL);
+
/* Unmap and free the header */
+ tso_hdr = dpaa2_iova_to_virt(priv->iommu_domain, dpaa2_sg_get_addr(sgt));
dma_unmap_single(dev, dpaa2_sg_get_addr(sgt), TSO_HEADER_SIZE,
DMA_TO_DEVICE);
- kfree(dpaa2_iova_to_virt(priv->iommu_domain, dpaa2_sg_get_addr(sgt)));
+ kfree(tso_hdr);
/* Unmap the other SG entries for the data */
for (i = 1; i < swa->tso.num_sg; i++)
dma_unmap_single(dev, dpaa2_sg_get_addr(&sgt[i]),
dpaa2_sg_get_len(&sgt[i]), DMA_TO_DEVICE);
- /* Unmap the SGT buffer */
- dma_unmap_single(dev, fd_addr, swa->sg.sgt_size,
- DMA_BIDIRECTIONAL);
-
if (!swa->tso.is_last_fd)
should_free_skb = 0;
} else {
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 9d7ef993ce45..a90275143d87 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3876,9 +3876,11 @@ fec_probe(struct platform_device *pdev)
mutex_init(&fep->ptp_clk_mutex);
/* clk_ref is optional, depends on board */
- fep->clk_ref = devm_clk_get(&pdev->dev, "enet_clk_ref");
- if (IS_ERR(fep->clk_ref))
- fep->clk_ref = NULL;
+ fep->clk_ref = devm_clk_get_optional(&pdev->dev, "enet_clk_ref");
+ if (IS_ERR(fep->clk_ref)) {
+ ret = PTR_ERR(fep->clk_ref);
+ goto failed_clk;
+ }
fep->clk_ref_rate = clk_get_rate(fep->clk_ref);
/* clk_2x_txclk is optional, depends on board */
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c
index f7dc7d825f63..4daf6bf291ec 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c
@@ -386,7 +386,7 @@ static int alloc_wqes_shadow(struct hinic_wq *wq)
return -ENOMEM;
wq->shadow_idx = devm_kcalloc(&pdev->dev, wq->num_q_pages,
- sizeof(wq->prod_idx), GFP_KERNEL);
+ sizeof(*wq->shadow_idx), GFP_KERNEL);
if (!wq->shadow_idx)
goto err_shadow_idx;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
index 9f1759593b94..2fc51dc5eb0b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
@@ -1084,8 +1084,9 @@ static int stmmac_test_rxp(struct stmmac_priv *priv)
unsigned char addr[ETH_ALEN] = {0xde, 0xad, 0xbe, 0xef, 0x00, 0x00};
struct tc_cls_u32_offload cls_u32 = { };
struct stmmac_packet_attrs attr = { };
- struct tc_action **actions, *act;
+ struct tc_action **actions;
struct tc_u32_sel *sel;
+ struct tcf_gact *gact;
struct tcf_exts *exts;
int ret, i, nk = 1;
@@ -1110,8 +1111,8 @@ static int stmmac_test_rxp(struct stmmac_priv *priv)
goto cleanup_exts;
}
- act = kcalloc(nk, sizeof(*act), GFP_KERNEL);
- if (!act) {
+ gact = kcalloc(nk, sizeof(*gact), GFP_KERNEL);
+ if (!gact) {
ret = -ENOMEM;
goto cleanup_actions;
}
@@ -1126,9 +1127,7 @@ static int stmmac_test_rxp(struct stmmac_priv *priv)
exts->nr_actions = nk;
exts->actions = actions;
for (i = 0; i < nk; i++) {
- struct tcf_gact *gact = to_gact(&act[i]);
-
- actions[i] = &act[i];
+ actions[i] = (struct tc_action *)&gact[i];
gact->tcf_action = TC_ACT_SHOT;
}
@@ -1152,7 +1151,7 @@ static int stmmac_test_rxp(struct stmmac_priv *priv)
stmmac_tc_setup_cls_u32(priv, priv, &cls_u32);
cleanup_act:
- kfree(act);
+ kfree(gact);
cleanup_actions:
kfree(actions);
cleanup_exts:
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 27f6bbca6619..15ebd5426604 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -2643,7 +2643,10 @@ static int netvsc_suspend(struct hv_device *dev)
/* Save the current config info */
ndev_ctx->saved_netvsc_dev_info = netvsc_devinfo_get(nvdev);
-
+ if (!ndev_ctx->saved_netvsc_dev_info) {
+ ret = -ENOMEM;
+ goto out;
+ }
ret = netvsc_detach(net, nvdev);
out:
rtnl_unlock();