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authorLinus Torvalds <torvalds@linux-foundation.org>2023-05-25 19:55:26 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2023-05-25 19:55:26 +0200
commit50fb587e6a56dba74c3c56a7a09c48bff25cc5fa (patch)
treef645e50353fa7420e235d4128121bc96ec416837 /drivers
parentMerge tag 'for-v6.4-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/... (diff)
parentudplite: Fix NULL pointer dereference in __sk_mem_raise_allocated(). (diff)
downloadlinux-50fb587e6a56dba74c3c56a7a09c48bff25cc5fa.tar.xz
linux-50fb587e6a56dba74c3c56a7a09c48bff25cc5fa.zip
Merge tag 'net-6.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni: "Including fixes from bluetooth and bpf. Current release - regressions: - net: fix skb leak in __skb_tstamp_tx() - eth: mtk_eth_soc: fix QoS on DSA MAC on non MTK_NETSYS_V2 SoCs Current release - new code bugs: - handshake: - fix sock->file allocation - fix handshake_dup() ref counting - bluetooth: - fix potential double free caused by hci_conn_unlink - fix UAF in hci_conn_hash_flush Previous releases - regressions: - core: fix stack overflow when LRO is disabled for virtual interfaces - tls: fix strparser rx issues - bpf: - fix many sockmap/TCP related issues - fix a memory leak in the LRU and LRU_PERCPU hash maps - init the offload table earlier - eth: mlx5e: - do as little as possible in napi poll when budget is 0 - fix using eswitch mapping in nic mode - fix deadlock in tc route query code Previous releases - always broken: - udplite: fix NULL pointer dereference in __sk_mem_raise_allocated() - raw: fix output xfrm lookup wrt protocol - smc: reset connection when trying to use SMCRv2 fails - phy: mscc: enable VSC8501/2 RGMII RX clock - eth: octeontx2-pf: fix TSOv6 offload - eth: cdc_ncm: deal with too low values of dwNtbOutMaxSize" * tag 'net-6.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (79 commits) udplite: Fix NULL pointer dereference in __sk_mem_raise_allocated(). net: phy: mscc: enable VSC8501/2 RGMII RX clock net: phy: mscc: remove unnecessary phydev locking net: phy: mscc: add support for VSC8501 net: phy: mscc: add VSC8502 to MODULE_DEVICE_TABLE net/handshake: Enable the SNI extension to work properly net/handshake: Unpin sock->file if a handshake is cancelled net/handshake: handshake_genl_notify() shouldn't ignore @flags net/handshake: Fix uninitialized local variable net/handshake: Fix handshake_dup() ref counting net/handshake: Remove unneeded check from handshake_dup() ipv6: Fix out-of-bounds access in ipv6_find_tlv() net: ethernet: mtk_eth_soc: fix QoS on DSA MAC on non MTK_NETSYS_V2 SoCs docs: netdev: document the existence of the mail bot net: fix skb leak in __skb_tstamp_tx() r8169: Use a raw_spinlock_t for the register locks. page_pool: fix inconsistency for page_pool_ring_[un]lock() bpf, sockmap: Test progs verifier error with latest clang bpf, sockmap: Test FIONREAD returns correct bytes in rx buffer with drops bpf, sockmap: Test FIONREAD returns correct bytes in rx buffer ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/bluetooth/btnxpuart.c6
-rw-r--r--drivers/net/bonding/bond_main.c8
-rw-r--r--drivers/net/ethernet/3com/3c589_cs.c11
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c17
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c4
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c8
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cmd.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tc.c57
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tx.c19
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c16
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eq.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch.h5
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c16
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c70
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/main.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c40
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c3
-rw-r--r--drivers/net/ethernet/microchip/lan966x/lan966x_main.c10
-rw-r--r--drivers/net/ethernet/nvidia/forcedeth.c1
-rw-r--r--drivers/net/ethernet/realtek/r8169_main.c44
-rw-r--r--drivers/net/ethernet/sfc/efx_devlink.c95
-rw-r--r--drivers/net/phy/mscc/mscc.h2
-rw-r--r--drivers/net/phy/mscc/mscc_main.c82
-rw-r--r--drivers/net/team/team.c7
-rw-r--r--drivers/net/usb/cdc_ncm.c24
31 files changed, 370 insertions, 196 deletions
diff --git a/drivers/bluetooth/btnxpuart.c b/drivers/bluetooth/btnxpuart.c
index 3a34d7c1475b..52ef44688d38 100644
--- a/drivers/bluetooth/btnxpuart.c
+++ b/drivers/bluetooth/btnxpuart.c
@@ -1319,17 +1319,17 @@ static void nxp_serdev_remove(struct serdev_device *serdev)
hci_free_dev(hdev);
}
-static struct btnxpuart_data w8987_data = {
+static struct btnxpuart_data w8987_data __maybe_unused = {
.helper_fw_name = NULL,
.fw_name = FIRMWARE_W8987,
};
-static struct btnxpuart_data w8997_data = {
+static struct btnxpuart_data w8997_data __maybe_unused = {
.helper_fw_name = FIRMWARE_HELPER,
.fw_name = FIRMWARE_W8997,
};
-static const struct of_device_id nxpuart_of_match_table[] = {
+static const struct of_device_id nxpuart_of_match_table[] __maybe_unused = {
{ .compatible = "nxp,88w8987-bt", .data = &w8987_data },
{ .compatible = "nxp,88w8997-bt", .data = &w8997_data },
{ }
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 3fed888629f7..edbaa1444f8e 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3947,7 +3947,11 @@ static int bond_slave_netdev_event(unsigned long event,
unblock_netpoll_tx();
break;
case NETDEV_FEAT_CHANGE:
- bond_compute_features(bond);
+ if (!bond->notifier_ctx) {
+ bond->notifier_ctx = true;
+ bond_compute_features(bond);
+ bond->notifier_ctx = false;
+ }
break;
case NETDEV_RESEND_IGMP:
/* Propagate to master device */
@@ -6342,6 +6346,8 @@ static int bond_init(struct net_device *bond_dev)
if (!bond->wq)
return -ENOMEM;
+ bond->notifier_ctx = false;
+
spin_lock_init(&bond->stats_lock);
netdev_lockdep_set_classes(bond_dev);
diff --git a/drivers/net/ethernet/3com/3c589_cs.c b/drivers/net/ethernet/3com/3c589_cs.c
index 82f94b1635bf..5267e9dcd87e 100644
--- a/drivers/net/ethernet/3com/3c589_cs.c
+++ b/drivers/net/ethernet/3com/3c589_cs.c
@@ -195,6 +195,7 @@ static int tc589_probe(struct pcmcia_device *link)
{
struct el3_private *lp;
struct net_device *dev;
+ int ret;
dev_dbg(&link->dev, "3c589_attach()\n");
@@ -218,7 +219,15 @@ static int tc589_probe(struct pcmcia_device *link)
dev->ethtool_ops = &netdev_ethtool_ops;
- return tc589_config(link);
+ ret = tc589_config(link);
+ if (ret)
+ goto err_free_netdev;
+
+ return 0;
+
+err_free_netdev:
+ free_netdev(dev);
+ return ret;
}
static void tc589_detach(struct pcmcia_device *link)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 577d94821b3e..38e5b5abe067 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3834,6 +3834,11 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
index = fec_enet_get_bd_index(last_bdp, &txq->bd);
txq->tx_skbuff[index] = NULL;
+ /* Make sure the updates to rest of the descriptor are performed before
+ * transferring ownership.
+ */
+ dma_wmb();
+
/* Send it on its way. Tell FEC it's ready, interrupt when done,
* it's the last BD of the frame, and to put the CRC on the end.
*/
@@ -3843,8 +3848,14 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
/* If this was the last BD in the ring, start at the beginning again. */
bdp = fec_enet_get_nextdesc(last_bdp, &txq->bd);
+ /* Make sure the update to bdp are performed before txq->bd.cur. */
+ dma_wmb();
+
txq->bd.cur = bdp;
+ /* Trigger transmission start */
+ writel(0, txq->bd.reg_desc_active);
+
return 0;
}
@@ -3873,12 +3884,6 @@ static int fec_enet_xdp_xmit(struct net_device *dev,
sent_frames++;
}
- /* Make sure the update to bdp and tx_skbuff are performed. */
- wmb();
-
- /* Trigger transmission start */
- writel(0, txq->bd.reg_desc_active);
-
__netif_tx_unlock(nq);
return sent_frames;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index 7045fedfd73a..7af223b0a37f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -652,9 +652,7 @@ static void otx2_sqe_add_ext(struct otx2_nic *pfvf, struct otx2_snd_queue *sq,
htons(ext->lso_sb - skb_network_offset(skb));
} else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) {
ext->lso_format = pfvf->hw.lso_tsov6_idx;
-
- ipv6_hdr(skb)->payload_len =
- htons(ext->lso_sb - skb_network_offset(skb));
+ ipv6_hdr(skb)->payload_len = htons(tcp_hdrlen(skb));
} else if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) {
__be16 l3_proto = vlan_get_protocol(skb);
struct udphdr *udph = udp_hdr(skb);
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index a75fd072082c..834c644b67db 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -3269,18 +3269,14 @@ static int mtk_open(struct net_device *dev)
eth->dsa_meta[i] = md_dst;
}
} else {
- /* Hardware special tag parsing needs to be disabled if at least
- * one MAC does not use DSA.
+ /* Hardware DSA untagging and VLAN RX offloading need to be
+ * disabled if at least one MAC does not use DSA.
*/
u32 val = mtk_r32(eth, MTK_CDMP_IG_CTRL);
val &= ~MTK_CDMP_STAG_EN;
mtk_w32(eth, val, MTK_CDMP_IG_CTRL);
- val = mtk_r32(eth, MTK_CDMQ_IG_CTRL);
- val &= ~MTK_CDMQ_STAG_EN;
- mtk_w32(eth, val, MTK_CDMQ_IG_CTRL);
-
mtk_w32(eth, 0, MTK_CDMP_EG_CTRL);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index d53de39539a8..d532883b42d7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -1920,9 +1920,10 @@ static void mlx5_cmd_err_trace(struct mlx5_core_dev *dev, u16 opcode, u16 op_mod
static void cmd_status_log(struct mlx5_core_dev *dev, u16 opcode, u8 status,
u32 syndrome, int err)
{
+ const char *namep = mlx5_command_str(opcode);
struct mlx5_cmd_stats *stats;
- if (!err)
+ if (!err || !(strcmp(namep, "unknown command opcode")))
return;
stats = &dev->cmd.stats[opcode];
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
index eb5abd0e55d9..3cbebfba582b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
@@ -175,6 +175,8 @@ static bool mlx5e_ptp_poll_ts_cq(struct mlx5e_cq *cq, int budget)
/* ensure cq space is freed before enabling more cqes */
wmb();
+ mlx5e_txqsq_wake(&ptpsq->txqsq);
+
return work_done == budget;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c
index 20c2d2ecaf93..6a052c6cfc15 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c
@@ -1369,11 +1369,13 @@ static void mlx5e_invalidate_encap(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow;
list_for_each_entry(flow, encap_flows, tmp_list) {
- struct mlx5_flow_attr *attr = flow->attr;
struct mlx5_esw_flow_attr *esw_attr;
+ struct mlx5_flow_attr *attr;
if (!mlx5e_is_offloaded_flow(flow))
continue;
+
+ attr = mlx5e_tc_get_encap_attr(flow);
esw_attr = attr->esw_attr;
if (flow_flag_test(flow, SLOW))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
index 47381e949f1f..879d698b6119 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
@@ -193,6 +193,8 @@ static inline u16 mlx5e_txqsq_get_next_pi(struct mlx5e_txqsq *sq, u16 size)
return pi;
}
+void mlx5e_txqsq_wake(struct mlx5e_txqsq *sq);
+
static inline u16 mlx5e_shampo_get_cqe_header_index(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
{
return be16_to_cpu(cqe->shampo.header_entry_index) & (rq->mpwqe.shampo->hd_per_wq - 1);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 728b82ce4031..e95414ef1f04 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -1665,11 +1665,9 @@ bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_
int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport)
{
struct mlx5e_priv *out_priv, *route_priv;
- struct mlx5_devcom *devcom = NULL;
struct mlx5_core_dev *route_mdev;
struct mlx5_eswitch *esw;
u16 vhca_id;
- int err;
out_priv = netdev_priv(out_dev);
esw = out_priv->mdev->priv.eswitch;
@@ -1678,6 +1676,9 @@ int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *ro
vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id);
if (mlx5_lag_is_active(out_priv->mdev)) {
+ struct mlx5_devcom *devcom;
+ int err;
+
/* In lag case we may get devices from different eswitch instances.
* If we failed to get vport num, it means, mostly, that we on the wrong
* eswitch.
@@ -1686,16 +1687,16 @@ int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *ro
if (err != -ENOENT)
return err;
+ rcu_read_lock();
devcom = out_priv->mdev->priv.devcom;
- esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
- if (!esw)
- return -ENODEV;
+ esw = mlx5_devcom_get_peer_data_rcu(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
+ err = esw ? mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport) : -ENODEV;
+ rcu_read_unlock();
+
+ return err;
}
- err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport);
- if (devcom)
- mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
- return err;
+ return mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport);
}
static int
@@ -5301,6 +5302,8 @@ int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv)
goto err_action_counter;
}
+ mlx5_esw_offloads_devcom_init(esw);
+
return 0;
err_action_counter:
@@ -5329,7 +5332,7 @@ void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv)
priv = netdev_priv(rpriv->netdev);
esw = priv->mdev->priv.eswitch;
- mlx5e_tc_clean_fdb_peer_flows(esw);
+ mlx5_esw_offloads_devcom_cleanup(esw);
mlx5e_tc_tun_cleanup(uplink_priv->encap);
@@ -5643,22 +5646,43 @@ bool mlx5e_tc_update_skb_nic(struct mlx5_cqe64 *cqe, struct sk_buff *skb)
0, NULL);
}
+static struct mapping_ctx *
+mlx5e_get_priv_obj_mapping(struct mlx5e_priv *priv)
+{
+ struct mlx5e_tc_table *tc;
+ struct mlx5_eswitch *esw;
+ struct mapping_ctx *ctx;
+
+ if (is_mdev_switchdev_mode(priv->mdev)) {
+ esw = priv->mdev->priv.eswitch;
+ ctx = esw->offloads.reg_c0_obj_pool;
+ } else {
+ tc = mlx5e_fs_get_tc(priv->fs);
+ ctx = tc->mapping;
+ }
+
+ return ctx;
+}
+
int mlx5e_tc_action_miss_mapping_get(struct mlx5e_priv *priv, struct mlx5_flow_attr *attr,
u64 act_miss_cookie, u32 *act_miss_mapping)
{
- struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct mlx5_mapped_obj mapped_obj = {};
+ struct mlx5_eswitch *esw;
struct mapping_ctx *ctx;
int err;
- ctx = esw->offloads.reg_c0_obj_pool;
-
+ ctx = mlx5e_get_priv_obj_mapping(priv);
mapped_obj.type = MLX5_MAPPED_OBJ_ACT_MISS;
mapped_obj.act_miss_cookie = act_miss_cookie;
err = mapping_add(ctx, &mapped_obj, act_miss_mapping);
if (err)
return err;
+ if (!is_mdev_switchdev_mode(priv->mdev))
+ return 0;
+
+ esw = priv->mdev->priv.eswitch;
attr->act_id_restore_rule = esw_add_restore_rule(esw, *act_miss_mapping);
if (IS_ERR(attr->act_id_restore_rule))
goto err_rule;
@@ -5673,10 +5697,9 @@ err_rule:
void mlx5e_tc_action_miss_mapping_put(struct mlx5e_priv *priv, struct mlx5_flow_attr *attr,
u32 act_miss_mapping)
{
- struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
- struct mapping_ctx *ctx;
+ struct mapping_ctx *ctx = mlx5e_get_priv_obj_mapping(priv);
- ctx = esw->offloads.reg_c0_obj_pool;
- mlx5_del_flow_rules(attr->act_id_restore_rule);
+ if (is_mdev_switchdev_mode(priv->mdev))
+ mlx5_del_flow_rules(attr->act_id_restore_rule);
mapping_remove(ctx, act_miss_mapping);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index df5e780e8e6a..c7eb6b238c2b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -762,6 +762,17 @@ static void mlx5e_tx_wi_consume_fifo_skbs(struct mlx5e_txqsq *sq, struct mlx5e_t
}
}
+void mlx5e_txqsq_wake(struct mlx5e_txqsq *sq)
+{
+ if (netif_tx_queue_stopped(sq->txq) &&
+ mlx5e_wqc_has_room_for(&sq->wq, sq->cc, sq->pc, sq->stop_room) &&
+ mlx5e_ptpsq_fifo_has_room(sq) &&
+ !test_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state)) {
+ netif_tx_wake_queue(sq->txq);
+ sq->stats->wake++;
+ }
+}
+
bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
{
struct mlx5e_sq_stats *stats;
@@ -861,13 +872,7 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
netdev_tx_completed_queue(sq->txq, npkts, nbytes);
- if (netif_tx_queue_stopped(sq->txq) &&
- mlx5e_wqc_has_room_for(&sq->wq, sq->cc, sq->pc, sq->stop_room) &&
- mlx5e_ptpsq_fifo_has_room(sq) &&
- !test_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state)) {
- netif_tx_wake_queue(sq->txq);
- stats->wake++;
- }
+ mlx5e_txqsq_wake(sq);
return (i == MLX5E_TX_CQ_POLL_BUDGET);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
index a50bfda18e96..fbb2d963fb7e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
@@ -161,20 +161,22 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget)
}
}
+ /* budget=0 means we may be in IRQ context, do as little as possible */
+ if (unlikely(!budget))
+ goto out;
+
busy |= mlx5e_poll_xdpsq_cq(&c->xdpsq.cq);
if (c->xdp)
busy |= mlx5e_poll_xdpsq_cq(&c->rq_xdpsq.cq);
- if (likely(budget)) { /* budget=0 means: don't poll rx rings */
- if (xsk_open)
- work_done = mlx5e_poll_rx_cq(&xskrq->cq, budget);
+ if (xsk_open)
+ work_done = mlx5e_poll_rx_cq(&xskrq->cq, budget);
- if (likely(budget - work_done))
- work_done += mlx5e_poll_rx_cq(&rq->cq, budget - work_done);
+ if (likely(budget - work_done))
+ work_done += mlx5e_poll_rx_cq(&rq->cq, budget - work_done);
- busy |= work_done == budget;
- }
+ busy |= work_done == budget;
mlx5e_poll_ico_cq(&c->icosq.cq);
if (mlx5e_poll_ico_cq(&c->async_icosq.cq))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index 1c35d721a31d..fe698c79616c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -1104,7 +1104,7 @@ void mlx5_core_eq_free_irqs(struct mlx5_core_dev *dev)
struct mlx5_eq_table *table = dev->priv.eq_table;
mutex_lock(&table->lock); /* sync with create/destroy_async_eq */
- mlx5_irq_table_destroy(dev);
+ mlx5_irq_table_free_irqs(dev);
mutex_unlock(&table->lock);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index 1a042c981713..add6cfa432a5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -342,6 +342,7 @@ struct mlx5_eswitch {
u32 large_group_num;
} params;
struct blocking_notifier_head n_head;
+ bool paired[MLX5_MAX_PORTS];
};
void esw_offloads_disable(struct mlx5_eswitch *esw);
@@ -369,6 +370,8 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs);
void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw, bool clear_vf);
void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw);
void mlx5_eswitch_disable(struct mlx5_eswitch *esw);
+void mlx5_esw_offloads_devcom_init(struct mlx5_eswitch *esw);
+void mlx5_esw_offloads_devcom_cleanup(struct mlx5_eswitch *esw);
int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
u16 vport, const u8 *mac);
int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
@@ -767,6 +770,8 @@ static inline void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) {}
static inline int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs) { return 0; }
static inline void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw, bool clear_vf) {}
static inline void mlx5_eswitch_disable(struct mlx5_eswitch *esw) {}
+static inline void mlx5_esw_offloads_devcom_init(struct mlx5_eswitch *esw) {}
+static inline void mlx5_esw_offloads_devcom_cleanup(struct mlx5_eswitch *esw) {}
static inline bool mlx5_eswitch_is_funcs_handler(struct mlx5_core_dev *dev) { return false; }
static inline
int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw, u16 vport, int link_state) { return 0; }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 69215ffb9999..8d19c20d3447 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -2742,6 +2742,9 @@ static int mlx5_esw_offloads_devcom_event(int event,
mlx5_eswitch_vport_match_metadata_enabled(peer_esw))
break;
+ if (esw->paired[mlx5_get_dev_index(peer_esw->dev)])
+ break;
+
err = mlx5_esw_offloads_set_ns_peer(esw, peer_esw, true);
if (err)
goto err_out;
@@ -2753,14 +2756,18 @@ static int mlx5_esw_offloads_devcom_event(int event,
if (err)
goto err_pair;
+ esw->paired[mlx5_get_dev_index(peer_esw->dev)] = true;
+ peer_esw->paired[mlx5_get_dev_index(esw->dev)] = true;
mlx5_devcom_set_paired(devcom, MLX5_DEVCOM_ESW_OFFLOADS, true);
break;
case ESW_OFFLOADS_DEVCOM_UNPAIR:
- if (!mlx5_devcom_is_paired(devcom, MLX5_DEVCOM_ESW_OFFLOADS))
+ if (!esw->paired[mlx5_get_dev_index(peer_esw->dev)])
break;
mlx5_devcom_set_paired(devcom, MLX5_DEVCOM_ESW_OFFLOADS, false);
+ esw->paired[mlx5_get_dev_index(peer_esw->dev)] = false;
+ peer_esw->paired[mlx5_get_dev_index(esw->dev)] = false;
mlx5_esw_offloads_unpair(peer_esw);
mlx5_esw_offloads_unpair(esw);
mlx5_esw_offloads_set_ns_peer(esw, peer_esw, false);
@@ -2779,7 +2786,7 @@ err_out:
return err;
}
-static void esw_offloads_devcom_init(struct mlx5_eswitch *esw)
+void mlx5_esw_offloads_devcom_init(struct mlx5_eswitch *esw)
{
struct mlx5_devcom *devcom = esw->dev->priv.devcom;
@@ -2802,7 +2809,7 @@ static void esw_offloads_devcom_init(struct mlx5_eswitch *esw)
ESW_OFFLOADS_DEVCOM_PAIR, esw);
}
-static void esw_offloads_devcom_cleanup(struct mlx5_eswitch *esw)
+void mlx5_esw_offloads_devcom_cleanup(struct mlx5_eswitch *esw)
{
struct mlx5_devcom *devcom = esw->dev->priv.devcom;
@@ -3250,8 +3257,6 @@ int esw_offloads_enable(struct mlx5_eswitch *esw)
if (err)
goto err_vports;
- esw_offloads_devcom_init(esw);
-
return 0;
err_vports:
@@ -3292,7 +3297,6 @@ static int esw_offloads_stop(struct mlx5_eswitch *esw,
void esw_offloads_disable(struct mlx5_eswitch *esw)
{
- esw_offloads_devcom_cleanup(esw);
mlx5_eswitch_disable_pf_vf_vports(esw);
esw_offloads_unload_rep(esw, MLX5_VPORT_UPLINK);
esw_set_passing_vport_metadata(esw, false);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
index adefde3ea941..b7d779d08d83 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
@@ -3,6 +3,7 @@
#include <linux/mlx5/vport.h>
#include "lib/devcom.h"
+#include "mlx5_core.h"
static LIST_HEAD(devcom_list);
@@ -13,7 +14,7 @@ static LIST_HEAD(devcom_list);
struct mlx5_devcom_component {
struct {
- void *data;
+ void __rcu *data;
} device[MLX5_DEVCOM_PORTS_SUPPORTED];
mlx5_devcom_event_handler_t handler;
@@ -77,6 +78,7 @@ struct mlx5_devcom *mlx5_devcom_register_device(struct mlx5_core_dev *dev)
if (MLX5_CAP_GEN(dev, num_lag_ports) != MLX5_DEVCOM_PORTS_SUPPORTED)
return NULL;
+ mlx5_dev_list_lock();
sguid0 = mlx5_query_nic_system_image_guid(dev);
list_for_each_entry(iter, &devcom_list, list) {
struct mlx5_core_dev *tmp_dev = NULL;
@@ -102,8 +104,10 @@ struct mlx5_devcom *mlx5_devcom_register_device(struct mlx5_core_dev *dev)
if (!priv) {
priv = mlx5_devcom_list_alloc();
- if (!priv)
- return ERR_PTR(-ENOMEM);
+ if (!priv) {
+ devcom = ERR_PTR(-ENOMEM);
+ goto out;
+ }
idx = 0;
new_priv = true;
@@ -112,13 +116,16 @@ struct mlx5_devcom *mlx5_devcom_register_device(struct mlx5_core_dev *dev)
priv->devs[idx] = dev;
devcom = mlx5_devcom_alloc(priv, idx);
if (!devcom) {
- kfree(priv);
- return ERR_PTR(-ENOMEM);
+ if (new_priv)
+ kfree(priv);
+ devcom = ERR_PTR(-ENOMEM);
+ goto out;
}
if (new_priv)
list_add(&priv->list, &devcom_list);
-
+out:
+ mlx5_dev_list_unlock();
return devcom;
}
@@ -131,6 +138,7 @@ void mlx5_devcom_unregister_device(struct mlx5_devcom *devcom)
if (IS_ERR_OR_NULL(devcom))
return;
+ mlx5_dev_list_lock();
priv = devcom->priv;
priv->devs[devcom->idx] = NULL;
@@ -141,10 +149,12 @@ void mlx5_devcom_unregister_device(struct mlx5_devcom *devcom)
break;
if (i != MLX5_DEVCOM_PORTS_SUPPORTED)
- return;
+ goto out;
list_del(&priv->list);
kfree(priv);
+out:
+ mlx5_dev_list_unlock();
}
void mlx5_devcom_register_component(struct mlx5_devcom *devcom,
@@ -162,7 +172,7 @@ void mlx5_devcom_register_component(struct mlx5_devcom *devcom,
comp = &devcom->priv->components[id];
down_write(&comp->sem);
comp->handler = handler;
- comp->device[devcom->idx].data = data;
+ rcu_assign_pointer(comp->device[devcom->idx].data, data);
up_write(&comp->sem);
}
@@ -176,8 +186,9 @@ void mlx5_devcom_unregister_component(struct mlx5_devcom *devcom,
comp = &devcom->priv->components[id];
down_write(&comp->sem);
- comp->device[devcom->idx].data = NULL;
+ RCU_INIT_POINTER(comp->device[devcom->idx].data, NULL);
up_write(&comp->sem);
+ synchronize_rcu();
}
int mlx5_devcom_send_event(struct mlx5_devcom *devcom,
@@ -193,12 +204,15 @@ int mlx5_devcom_send_event(struct mlx5_devcom *devcom,
comp = &devcom->priv->components[id];
down_write(&comp->sem);
- for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++)
- if (i != devcom->idx && comp->device[i].data) {
- err = comp->handler(event, comp->device[i].data,
- event_data);
+ for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++) {
+ void *data = rcu_dereference_protected(comp->device[i].data,
+ lockdep_is_held(&comp->sem));
+
+ if (i != devcom->idx && data) {
+ err = comp->handler(event, data, event_data);
break;
}
+ }
up_write(&comp->sem);
return err;
@@ -213,7 +227,7 @@ void mlx5_devcom_set_paired(struct mlx5_devcom *devcom,
comp = &devcom->priv->components[id];
WARN_ON(!rwsem_is_locked(&comp->sem));
- comp->paired = paired;
+ WRITE_ONCE(comp->paired, paired);
}
bool mlx5_devcom_is_paired(struct mlx5_devcom *devcom,
@@ -222,7 +236,7 @@ bool mlx5_devcom_is_paired(struct mlx5_devcom *devcom,
if (IS_ERR_OR_NULL(devcom))
return false;
- return devcom->priv->components[id].paired;
+ return READ_ONCE(devcom->priv->components[id].paired);
}
void *mlx5_devcom_get_peer_data(struct mlx5_devcom *devcom,
@@ -236,7 +250,7 @@ void *mlx5_devcom_get_peer_data(struct mlx5_devcom *devcom,
comp = &devcom->priv->components[id];
down_read(&comp->sem);
- if (!comp->paired) {
+ if (!READ_ONCE(comp->paired)) {
up_read(&comp->sem);
return NULL;
}
@@ -245,7 +259,29 @@ void *mlx5_devcom_get_peer_data(struct mlx5_devcom *devcom,
if (i != devcom->idx)
break;
- return comp->device[i].data;
+ return rcu_dereference_protected(comp->device[i].data, lockdep_is_held(&comp->sem));
+}
+
+void *mlx5_devcom_get_peer_data_rcu(struct mlx5_devcom *devcom, enum mlx5_devcom_components id)
+{
+ struct mlx5_devcom_component *comp;
+ int i;
+
+ if (IS_ERR_OR_NULL(devcom))
+ return NULL;
+
+ for (i = 0; i < MLX5_DEVCOM_PORTS_SUPPORTED; i++)
+ if (i != devcom->idx)
+ break;
+
+ comp = &devcom->priv->components[id];
+ /* This can change concurrently, however 'data' pointer will remain
+ * valid for the duration of RCU read section.
+ */
+ if (!READ_ONCE(comp->paired))
+ return NULL;
+
+ return rcu_dereference(comp->device[i].data);
}
void mlx5_devcom_release_peer_data(struct mlx5_devcom *devcom,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
index 94313c18bb64..9a496f4722da 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.h
@@ -41,6 +41,7 @@ bool mlx5_devcom_is_paired(struct mlx5_devcom *devcom,
void *mlx5_devcom_get_peer_data(struct mlx5_devcom *devcom,
enum mlx5_devcom_components id);
+void *mlx5_devcom_get_peer_data_rcu(struct mlx5_devcom *devcom, enum mlx5_devcom_components id);
void mlx5_devcom_release_peer_data(struct mlx5_devcom *devcom,
enum mlx5_devcom_components id);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 995eb2d5ace0..a7eb65cd0bdd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1049,7 +1049,7 @@ static int mlx5_init_once(struct mlx5_core_dev *dev)
dev->dm = mlx5_dm_create(dev);
if (IS_ERR(dev->dm))
- mlx5_core_warn(dev, "Failed to init device memory%d\n", err);
+ mlx5_core_warn(dev, "Failed to init device memory %ld\n", PTR_ERR(dev->dm));
dev->tracer = mlx5_fw_tracer_create(dev);
dev->hv_vhca = mlx5_hv_vhca_create(dev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h
index efd0c299c5c7..aa403a5ea34e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_irq.h
@@ -15,6 +15,7 @@ int mlx5_irq_table_init(struct mlx5_core_dev *dev);
void mlx5_irq_table_cleanup(struct mlx5_core_dev *dev);
int mlx5_irq_table_create(struct mlx5_core_dev *dev);
void mlx5_irq_table_destroy(struct mlx5_core_dev *dev);
+void mlx5_irq_table_free_irqs(struct mlx5_core_dev *dev);
int mlx5_irq_table_get_num_comp(struct mlx5_irq_table *table);
int mlx5_irq_table_get_sfs_vec(struct mlx5_irq_table *table);
struct mlx5_irq_table *mlx5_irq_table_get(struct mlx5_core_dev *dev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
index 2245d3b2f393..db5687d9fec9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
@@ -32,6 +32,7 @@ struct mlx5_irq {
struct mlx5_irq_pool *pool;
int refcount;
struct msi_map map;
+ u32 pool_index;
};
struct mlx5_irq_table {
@@ -132,7 +133,7 @@ static void irq_release(struct mlx5_irq *irq)
struct cpu_rmap *rmap;
#endif
- xa_erase(&pool->irqs, irq->map.index);
+ xa_erase(&pool->irqs, irq->pool_index);
/* free_irq requires that affinity_hint and rmap will be cleared before
* calling it. To satisfy this requirement, we call
* irq_cpu_rmap_remove() to remove the notifier
@@ -276,11 +277,11 @@ struct mlx5_irq *mlx5_irq_alloc(struct mlx5_irq_pool *pool, int i,
}
irq->pool = pool;
irq->refcount = 1;
- irq->map.index = i;
- err = xa_err(xa_store(&pool->irqs, irq->map.index, irq, GFP_KERNEL));
+ irq->pool_index = i;
+ err = xa_err(xa_store(&pool->irqs, irq->pool_index, irq, GFP_KERNEL));
if (err) {
mlx5_core_err(dev, "Failed to alloc xa entry for irq(%u). err = %d\n",
- irq->map.index, err);
+ irq->pool_index, err);
goto err_xa;
}
return irq;
@@ -567,7 +568,7 @@ int mlx5_irqs_request_vectors(struct mlx5_core_dev *dev, u16 *cpus, int nirqs,
struct mlx5_irq *irq;
int i;
- af_desc.is_managed = 1;
+ af_desc.is_managed = false;
for (i = 0; i < nirqs; i++) {
cpumask_set_cpu(cpus[i], &af_desc.mask);
irq = mlx5_irq_request(dev, i + 1, &af_desc, rmap);
@@ -691,6 +692,24 @@ static void irq_pools_destroy(struct mlx5_irq_table *table)
irq_pool_free(table->pcif_pool);
}
+static void mlx5_irq_pool_free_irqs(struct mlx5_irq_pool *pool)
+{
+ struct mlx5_irq *irq;
+ unsigned long index;
+
+ xa_for_each(&pool->irqs, index, irq)
+ free_irq(irq->map.virq, &irq->nh);
+}
+
+static void mlx5_irq_pools_free_irqs(struct mlx5_irq_table *table)
+{
+ if (table->sf_ctrl_pool) {
+ mlx5_irq_pool_free_irqs(table->sf_comp_pool);
+ mlx5_irq_pool_free_irqs(table->sf_ctrl_pool);
+ }
+ mlx5_irq_pool_free_irqs(table->pcif_pool);
+}
+
/* irq_table API */
int mlx5_irq_table_init(struct mlx5_core_dev *dev)
@@ -774,6 +793,17 @@ void mlx5_irq_table_destroy(struct mlx5_core_dev *dev)
pci_free_irq_vectors(dev->pdev);
}
+void mlx5_irq_table_free_irqs(struct mlx5_core_dev *dev)
+{
+ struct mlx5_irq_table *table = dev->priv.irq_table;
+
+ if (mlx5_core_is_sf(dev))
+ return;
+
+ mlx5_irq_pools_free_irqs(table);
+ pci_free_irq_vectors(dev->pdev);
+}
+
int mlx5_irq_table_get_sfs_vec(struct mlx5_irq_table *table)
{
if (table->sf_comp_pool)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c
index 3835ba3f4dda..1aa525e509f1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c
@@ -117,6 +117,8 @@ int mlx5dr_cmd_query_device(struct mlx5_core_dev *mdev,
caps->gvmi = MLX5_CAP_GEN(mdev, vhca_id);
caps->flex_protocols = MLX5_CAP_GEN(mdev, flex_parser_protocols);
caps->sw_format_ver = MLX5_CAP_GEN(mdev, steering_format_version);
+ caps->roce_caps.fl_rc_qp_when_roce_disabled =
+ MLX5_CAP_GEN(mdev, fl_rc_qp_when_roce_disabled);
if (MLX5_CAP_GEN(mdev, roce)) {
err = dr_cmd_query_nic_vport_roce_en(mdev, 0, &roce_en);
@@ -124,7 +126,7 @@ int mlx5dr_cmd_query_device(struct mlx5_core_dev *mdev,
return err;
caps->roce_caps.roce_en = roce_en;
- caps->roce_caps.fl_rc_qp_when_roce_disabled =
+ caps->roce_caps.fl_rc_qp_when_roce_disabled |=
MLX5_CAP_ROCE(mdev, fl_rc_qp_when_roce_disabled);
caps->roce_caps.fl_rc_qp_when_roce_enabled =
MLX5_CAP_ROCE(mdev, fl_rc_qp_when_roce_enabled);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
index 9413aaf51251..e94fbb015efa 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
@@ -15,7 +15,8 @@ static u32 dr_ste_crc32_calc(const void *input_data, size_t length)
{
u32 crc = crc32(0, input_data, length);
- return (__force u32)htonl(crc);
+ return (__force u32)((crc >> 24) & 0xff) | ((crc << 8) & 0xff0000) |
+ ((crc >> 8) & 0xff00) | ((crc << 24) & 0xff000000);
}
bool mlx5dr_ste_supp_ttl_cs_recalc(struct mlx5dr_cmd_caps *caps)
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index 2b6e046e1d10..ee2698698d71 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -1039,6 +1039,16 @@ static int lan966x_reset_switch(struct lan966x *lan966x)
reset_control_reset(switch_reset);
+ /* Don't reinitialize the switch core, if it is already initialized. In
+ * case it is initialized twice, some pointers inside the queue system
+ * in HW will get corrupted and then after a while the queue system gets
+ * full and no traffic is passing through the switch. The issue is seen
+ * when loading and unloading the driver and sending traffic through the
+ * switch.
+ */
+ if (lan_rd(lan966x, SYS_RESET_CFG) & SYS_RESET_CFG_CORE_ENA)
+ return 0;
+
lan_wr(SYS_RESET_CFG_CORE_ENA_SET(0), lan966x, SYS_RESET_CFG);
lan_wr(SYS_RAM_INIT_RAM_INIT_SET(1), lan966x, SYS_RAM_INIT);
ret = readx_poll_timeout(lan966x_ram_init, lan966x,
diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 0605d1ee490d..7a549b834e97 100644
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -6138,6 +6138,7 @@ static int nv_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
return 0;
out_error:
+ nv_mgmt_release_sema(dev);
if (phystate_orig)
writel(phystate|NVREG_ADAPTCTL_RUNNING, base + NvRegAdapterControl);
out_freering:
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index a7e376e7e689..4b19803a7dd0 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -616,10 +616,10 @@ struct rtl8169_private {
struct work_struct work;
} wk;
- spinlock_t config25_lock;
- spinlock_t mac_ocp_lock;
+ raw_spinlock_t config25_lock;
+ raw_spinlock_t mac_ocp_lock;
- spinlock_t cfg9346_usage_lock;
+ raw_spinlock_t cfg9346_usage_lock;
int cfg9346_usage_count;
unsigned supports_gmii:1;
@@ -671,20 +671,20 @@ static void rtl_lock_config_regs(struct rtl8169_private *tp)
{
unsigned long flags;
- spin_lock_irqsave(&tp->cfg9346_usage_lock, flags);
+ raw_spin_lock_irqsave(&tp->cfg9346_usage_lock, flags);
if (!--tp->cfg9346_usage_count)
RTL_W8(tp, Cfg9346, Cfg9346_Lock);
- spin_unlock_irqrestore(&tp->cfg9346_usage_lock, flags);
+ raw_spin_unlock_irqrestore(&tp->cfg9346_usage_lock, flags);
}
static void rtl_unlock_config_regs(struct rtl8169_private *tp)
{
unsigned long flags;
- spin_lock_irqsave(&tp->cfg9346_usage_lock, flags);
+ raw_spin_lock_irqsave(&tp->cfg9346_usage_lock, flags);
if (!tp->cfg9346_usage_count++)
RTL_W8(tp, Cfg9346, Cfg9346_Unlock);
- spin_unlock_irqrestore(&tp->cfg9346_usage_lock, flags);
+ raw_spin_unlock_irqrestore(&tp->cfg9346_usage_lock, flags);
}
static void rtl_pci_commit(struct rtl8169_private *tp)
@@ -698,10 +698,10 @@ static void rtl_mod_config2(struct rtl8169_private *tp, u8 clear, u8 set)
unsigned long flags;
u8 val;
- spin_lock_irqsave(&tp->config25_lock, flags);
+ raw_spin_lock_irqsave(&tp->config25_lock, flags);
val = RTL_R8(tp, Config2);
RTL_W8(tp, Config2, (val & ~clear) | set);
- spin_unlock_irqrestore(&tp->config25_lock, flags);
+ raw_spin_unlock_irqrestore(&tp->config25_lock, flags);
}
static void rtl_mod_config5(struct rtl8169_private *tp, u8 clear, u8 set)
@@ -709,10 +709,10 @@ static void rtl_mod_config5(struct rtl8169_private *tp, u8 clear, u8 set)
unsigned long flags;
u8 val;
- spin_lock_irqsave(&tp->config25_lock, flags);
+ raw_spin_lock_irqsave(&tp->config25_lock, flags);
val = RTL_R8(tp, Config5);
RTL_W8(tp, Config5, (val & ~clear) | set);
- spin_unlock_irqrestore(&tp->config25_lock, flags);
+ raw_spin_unlock_irqrestore(&tp->config25_lock, flags);
}
static bool rtl_is_8125(struct rtl8169_private *tp)
@@ -899,9 +899,9 @@ static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
{
unsigned long flags;
- spin_lock_irqsave(&tp->mac_ocp_lock, flags);
+ raw_spin_lock_irqsave(&tp->mac_ocp_lock, flags);
__r8168_mac_ocp_write(tp, reg, data);
- spin_unlock_irqrestore(&tp->mac_ocp_lock, flags);
+ raw_spin_unlock_irqrestore(&tp->mac_ocp_lock, flags);
}
static u16 __r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg)
@@ -919,9 +919,9 @@ static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg)
unsigned long flags;
u16 val;
- spin_lock_irqsave(&tp->mac_ocp_lock, flags);
+ raw_spin_lock_irqsave(&tp->mac_ocp_lock, flags);
val = __r8168_mac_ocp_read(tp, reg);
- spin_unlock_irqrestore(&tp->mac_ocp_lock, flags);
+ raw_spin_unlock_irqrestore(&tp->mac_ocp_lock, flags);
return val;
}
@@ -932,10 +932,10 @@ static void r8168_mac_ocp_modify(struct rtl8169_private *tp, u32 reg, u16 mask,
unsigned long flags;
u16 data;
- spin_lock_irqsave(&tp->mac_ocp_lock, flags);
+ raw_spin_lock_irqsave(&tp->mac_ocp_lock, flags);
data = __r8168_mac_ocp_read(tp, reg);
__r8168_mac_ocp_write(tp, reg, (data & ~mask) | set);
- spin_unlock_irqrestore(&tp->mac_ocp_lock, flags);
+ raw_spin_unlock_irqrestore(&tp->mac_ocp_lock, flags);
}
/* Work around a hw issue with RTL8168g PHY, the quirk disables
@@ -1420,14 +1420,14 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
r8168_mac_ocp_modify(tp, 0xc0b6, BIT(0), 0);
}
- spin_lock_irqsave(&tp->config25_lock, flags);
+ raw_spin_lock_irqsave(&tp->config25_lock, flags);
for (i = 0; i < tmp; i++) {
options = RTL_R8(tp, cfg[i].reg) & ~cfg[i].mask;
if (wolopts & cfg[i].opt)
options |= cfg[i].mask;
RTL_W8(tp, cfg[i].reg, options);
}
- spin_unlock_irqrestore(&tp->config25_lock, flags);
+ raw_spin_unlock_irqrestore(&tp->config25_lock, flags);
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
@@ -5179,9 +5179,9 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
tp->eee_adv = -1;
tp->ocp_base = OCP_STD_PHY_BASE;
- spin_lock_init(&tp->cfg9346_usage_lock);
- spin_lock_init(&tp->config25_lock);
- spin_lock_init(&tp->mac_ocp_lock);
+ raw_spin_lock_init(&tp->cfg9346_usage_lock);
+ raw_spin_lock_init(&tp->config25_lock);
+ raw_spin_lock_init(&tp->mac_ocp_lock);
dev->tstats = devm_netdev_alloc_pcpu_stats(&pdev->dev,
struct pcpu_sw_netstats);
diff --git a/drivers/net/ethernet/sfc/efx_devlink.c b/drivers/net/ethernet/sfc/efx_devlink.c
index 381b805659d3..ef9971cbb695 100644
--- a/drivers/net/ethernet/sfc/efx_devlink.c
+++ b/drivers/net/ethernet/sfc/efx_devlink.c
@@ -171,9 +171,14 @@ static int efx_devlink_info_nvram_partition(struct efx_nic *efx,
rc = efx_mcdi_nvram_metadata(efx, partition_type, NULL, version, NULL,
0);
+
+ /* If the partition does not exist, that is not an error. */
+ if (rc == -ENOENT)
+ return 0;
+
if (rc) {
- netif_err(efx, drv, efx->net_dev, "mcdi nvram %s: failed\n",
- version_name);
+ netif_err(efx, drv, efx->net_dev, "mcdi nvram %s: failed (rc=%d)\n",
+ version_name, rc);
return rc;
}
@@ -187,36 +192,33 @@ static int efx_devlink_info_nvram_partition(struct efx_nic *efx,
static int efx_devlink_info_stored_versions(struct efx_nic *efx,
struct devlink_info_req *req)
{
- int rc;
-
- rc = efx_devlink_info_nvram_partition(efx, req,
- NVRAM_PARTITION_TYPE_BUNDLE,
- DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID);
- if (rc)
- return rc;
-
- rc = efx_devlink_info_nvram_partition(efx, req,
- NVRAM_PARTITION_TYPE_MC_FIRMWARE,
- DEVLINK_INFO_VERSION_GENERIC_FW_MGMT);
- if (rc)
- return rc;
-
- rc = efx_devlink_info_nvram_partition(efx, req,
- NVRAM_PARTITION_TYPE_SUC_FIRMWARE,
- EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC);
- if (rc)
- return rc;
-
- rc = efx_devlink_info_nvram_partition(efx, req,
- NVRAM_PARTITION_TYPE_EXPANSION_ROM,
- EFX_DEVLINK_INFO_VERSION_FW_EXPROM);
- if (rc)
- return rc;
+ int err;
- rc = efx_devlink_info_nvram_partition(efx, req,
- NVRAM_PARTITION_TYPE_EXPANSION_UEFI,
- EFX_DEVLINK_INFO_VERSION_FW_UEFI);
- return rc;
+ /* We do not care here about the specific error but just if an error
+ * happened. The specific error will be reported inside the call
+ * through system messages, and if any error happened in any call
+ * below, we report it through extack.
+ */
+ err = efx_devlink_info_nvram_partition(efx, req,
+ NVRAM_PARTITION_TYPE_BUNDLE,
+ DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID);
+
+ err |= efx_devlink_info_nvram_partition(efx, req,
+ NVRAM_PARTITION_TYPE_MC_FIRMWARE,
+ DEVLINK_INFO_VERSION_GENERIC_FW_MGMT);
+
+ err |= efx_devlink_info_nvram_partition(efx, req,
+ NVRAM_PARTITION_TYPE_SUC_FIRMWARE,
+ EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC);
+
+ err |= efx_devlink_info_nvram_partition(efx, req,
+ NVRAM_PARTITION_TYPE_EXPANSION_ROM,
+ EFX_DEVLINK_INFO_VERSION_FW_EXPROM);
+
+ err |= efx_devlink_info_nvram_partition(efx, req,
+ NVRAM_PARTITION_TYPE_EXPANSION_UEFI,
+ EFX_DEVLINK_INFO_VERSION_FW_UEFI);
+ return err;
}
#define EFX_VER_FLAG(_f) \
@@ -587,27 +589,20 @@ static int efx_devlink_info_get(struct devlink *devlink,
{
struct efx_devlink *devlink_private = devlink_priv(devlink);
struct efx_nic *efx = devlink_private->efx;
- int rc;
+ int err;
- /* Several different MCDI commands are used. We report first error
- * through extack returning at that point. Specific error
- * information via system messages.
+ /* Several different MCDI commands are used. We report if errors
+ * happened through extack. Specific error information via system
+ * messages inside the calls.
*/
- rc = efx_devlink_info_board_cfg(efx, req);
- if (rc) {
- NL_SET_ERR_MSG_MOD(extack, "Getting board info failed");
- return rc;
- }
- rc = efx_devlink_info_stored_versions(efx, req);
- if (rc) {
- NL_SET_ERR_MSG_MOD(extack, "Getting stored versions failed");
- return rc;
- }
- rc = efx_devlink_info_running_versions(efx, req);
- if (rc) {
- NL_SET_ERR_MSG_MOD(extack, "Getting running versions failed");
- return rc;
- }
+ err = efx_devlink_info_board_cfg(efx, req);
+
+ err |= efx_devlink_info_stored_versions(efx, req);
+
+ err |= efx_devlink_info_running_versions(efx, req);
+
+ if (err)
+ NL_SET_ERR_MSG_MOD(extack, "Errors when getting device info. Check system messages");
return 0;
}
diff --git a/drivers/net/phy/mscc/mscc.h b/drivers/net/phy/mscc/mscc.h
index a50235fdf7d9..defe5cc6d4fc 100644
--- a/drivers/net/phy/mscc/mscc.h
+++ b/drivers/net/phy/mscc/mscc.h
@@ -179,6 +179,7 @@ enum rgmii_clock_delay {
#define VSC8502_RGMII_CNTL 20
#define VSC8502_RGMII_RX_DELAY_MASK 0x0070
#define VSC8502_RGMII_TX_DELAY_MASK 0x0007
+#define VSC8502_RGMII_RX_CLK_DISABLE 0x0800
#define MSCC_PHY_WOL_LOWER_MAC_ADDR 21
#define MSCC_PHY_WOL_MID_MAC_ADDR 22
@@ -276,6 +277,7 @@ enum rgmii_clock_delay {
/* Microsemi PHY ID's
* Code assumes lowest nibble is 0
*/
+#define PHY_ID_VSC8501 0x00070530
#define PHY_ID_VSC8502 0x00070630
#define PHY_ID_VSC8504 0x000704c0
#define PHY_ID_VSC8514 0x00070670
diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_main.c
index 62bf99e45af1..28df8a2e4230 100644
--- a/drivers/net/phy/mscc/mscc_main.c
+++ b/drivers/net/phy/mscc/mscc_main.c
@@ -519,16 +519,27 @@ out_unlock:
* * 2.0 ns (which causes the data to be sampled at exactly half way between
* clock transitions at 1000 Mbps) if delays should be enabled
*/
-static int vsc85xx_rgmii_set_skews(struct phy_device *phydev, u32 rgmii_cntl,
- u16 rgmii_rx_delay_mask,
- u16 rgmii_tx_delay_mask)
+static int vsc85xx_update_rgmii_cntl(struct phy_device *phydev, u32 rgmii_cntl,
+ u16 rgmii_rx_delay_mask,
+ u16 rgmii_tx_delay_mask)
{
u16 rgmii_rx_delay_pos = ffs(rgmii_rx_delay_mask) - 1;
u16 rgmii_tx_delay_pos = ffs(rgmii_tx_delay_mask) - 1;
u16 reg_val = 0;
- int rc;
+ u16 mask = 0;
+ int rc = 0;
- mutex_lock(&phydev->lock);
+ /* For traffic to pass, the VSC8502 family needs the RX_CLK disable bit
+ * to be unset for all PHY modes, so do that as part of the paged
+ * register modification.
+ * For some family members (like VSC8530/31/40/41) this bit is reserved
+ * and read-only, and the RX clock is enabled by default.
+ */
+ if (rgmii_cntl == VSC8502_RGMII_CNTL)
+ mask |= VSC8502_RGMII_RX_CLK_DISABLE;
+
+ if (phy_interface_is_rgmii(phydev))
+ mask |= rgmii_rx_delay_mask | rgmii_tx_delay_mask;
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID ||
phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
@@ -537,31 +548,20 @@ static int vsc85xx_rgmii_set_skews(struct phy_device *phydev, u32 rgmii_cntl,
phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
reg_val |= RGMII_CLK_DELAY_2_0_NS << rgmii_tx_delay_pos;
- rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
- rgmii_cntl,
- rgmii_rx_delay_mask | rgmii_tx_delay_mask,
- reg_val);
-
- mutex_unlock(&phydev->lock);
+ if (mask)
+ rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
+ rgmii_cntl, mask, reg_val);
return rc;
}
static int vsc85xx_default_config(struct phy_device *phydev)
{
- int rc;
-
phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
- if (phy_interface_mode_is_rgmii(phydev->interface)) {
- rc = vsc85xx_rgmii_set_skews(phydev, VSC8502_RGMII_CNTL,
- VSC8502_RGMII_RX_DELAY_MASK,
- VSC8502_RGMII_TX_DELAY_MASK);
- if (rc)
- return rc;
- }
-
- return 0;
+ return vsc85xx_update_rgmii_cntl(phydev, VSC8502_RGMII_CNTL,
+ VSC8502_RGMII_RX_DELAY_MASK,
+ VSC8502_RGMII_TX_DELAY_MASK);
}
static int vsc85xx_get_tunable(struct phy_device *phydev,
@@ -1758,13 +1758,11 @@ static int vsc8584_config_init(struct phy_device *phydev)
if (ret)
return ret;
- if (phy_interface_is_rgmii(phydev)) {
- ret = vsc85xx_rgmii_set_skews(phydev, VSC8572_RGMII_CNTL,
- VSC8572_RGMII_RX_DELAY_MASK,
- VSC8572_RGMII_TX_DELAY_MASK);
- if (ret)
- return ret;
- }
+ ret = vsc85xx_update_rgmii_cntl(phydev, VSC8572_RGMII_CNTL,
+ VSC8572_RGMII_RX_DELAY_MASK,
+ VSC8572_RGMII_TX_DELAY_MASK);
+ if (ret)
+ return ret;
ret = genphy_soft_reset(phydev);
if (ret)
@@ -2317,6 +2315,30 @@ static int vsc85xx_probe(struct phy_device *phydev)
/* Microsemi VSC85xx PHYs */
static struct phy_driver vsc85xx_driver[] = {
{
+ .phy_id = PHY_ID_VSC8501,
+ .name = "Microsemi GE VSC8501 SyncE",
+ .phy_id_mask = 0xfffffff0,
+ /* PHY_BASIC_FEATURES */
+ .soft_reset = &genphy_soft_reset,
+ .config_init = &vsc85xx_config_init,
+ .config_aneg = &vsc85xx_config_aneg,
+ .read_status = &vsc85xx_read_status,
+ .handle_interrupt = vsc85xx_handle_interrupt,
+ .config_intr = &vsc85xx_config_intr,
+ .suspend = &genphy_suspend,
+ .resume = &genphy_resume,
+ .probe = &vsc85xx_probe,
+ .set_wol = &vsc85xx_wol_set,
+ .get_wol = &vsc85xx_wol_get,
+ .get_tunable = &vsc85xx_get_tunable,
+ .set_tunable = &vsc85xx_set_tunable,
+ .read_page = &vsc85xx_phy_read_page,
+ .write_page = &vsc85xx_phy_write_page,
+ .get_sset_count = &vsc85xx_get_sset_count,
+ .get_strings = &vsc85xx_get_strings,
+ .get_stats = &vsc85xx_get_stats,
+},
+{
.phy_id = PHY_ID_VSC8502,
.name = "Microsemi GE VSC8502 SyncE",
.phy_id_mask = 0xfffffff0,
@@ -2656,6 +2678,8 @@ static struct phy_driver vsc85xx_driver[] = {
module_phy_driver(vsc85xx_driver);
static struct mdio_device_id __maybe_unused vsc85xx_tbl[] = {
+ { PHY_ID_VSC8501, 0xfffffff0, },
+ { PHY_ID_VSC8502, 0xfffffff0, },
{ PHY_ID_VSC8504, 0xfffffff0, },
{ PHY_ID_VSC8514, 0xfffffff0, },
{ PHY_ID_VSC8530, 0xfffffff0, },
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index d10606f257c4..555b0b1e9a78 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1629,6 +1629,7 @@ static int team_init(struct net_device *dev)
team->dev = dev;
team_set_no_mode(team);
+ team->notifier_ctx = false;
team->pcpu_stats = netdev_alloc_pcpu_stats(struct team_pcpu_stats);
if (!team->pcpu_stats)
@@ -3022,7 +3023,11 @@ static int team_device_event(struct notifier_block *unused,
team_del_slave(port->team->dev, dev);
break;
case NETDEV_FEAT_CHANGE:
- team_compute_features(port->team);
+ if (!port->team->notifier_ctx) {
+ port->team->notifier_ctx = true;
+ team_compute_features(port->team);
+ port->team->notifier_ctx = false;
+ }
break;
case NETDEV_PRECHANGEMTU:
/* Forbid to change mtu of underlaying device */
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 6ce8f4f0c70e..db05622f1f70 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -181,9 +181,12 @@ static u32 cdc_ncm_check_tx_max(struct usbnet *dev, u32 new_tx)
else
min = ctx->max_datagram_size + ctx->max_ndp_size + sizeof(struct usb_cdc_ncm_nth32);
- max = min_t(u32, CDC_NCM_NTB_MAX_SIZE_TX, le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize));
- if (max == 0)
+ if (le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize) == 0)
max = CDC_NCM_NTB_MAX_SIZE_TX; /* dwNtbOutMaxSize not set */
+ else
+ max = clamp_t(u32, le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize),
+ USB_CDC_NCM_NTB_MIN_OUT_SIZE,
+ CDC_NCM_NTB_MAX_SIZE_TX);
/* some devices set dwNtbOutMaxSize too low for the above default */
min = min(min, max);
@@ -1244,6 +1247,9 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
* further.
*/
if (skb_out == NULL) {
+ /* If even the smallest allocation fails, abort. */
+ if (ctx->tx_curr_size == USB_CDC_NCM_NTB_MIN_OUT_SIZE)
+ goto alloc_failed;
ctx->tx_low_mem_max_cnt = min(ctx->tx_low_mem_max_cnt + 1,
(unsigned)CDC_NCM_LOW_MEM_MAX_CNT);
ctx->tx_low_mem_val = ctx->tx_low_mem_max_cnt;
@@ -1262,13 +1268,8 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
skb_out = alloc_skb(ctx->tx_curr_size, GFP_ATOMIC);
/* No allocation possible so we will abort */
- if (skb_out == NULL) {
- if (skb != NULL) {
- dev_kfree_skb_any(skb);
- dev->net->stats.tx_dropped++;
- }
- goto exit_no_skb;
- }
+ if (!skb_out)
+ goto alloc_failed;
ctx->tx_low_mem_val--;
}
if (ctx->is_ndp16) {
@@ -1461,6 +1462,11 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign)
return skb_out;
+alloc_failed:
+ if (skb) {
+ dev_kfree_skb_any(skb);
+ dev->net->stats.tx_dropped++;
+ }
exit_no_skb:
/* Start timer, if there is a remaining non-empty skb */
if (ctx->tx_curr_skb != NULL && n > 0)