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-rw-r--r--drivers/net/ethernet/airoha/airoha_ppe.c2
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c22
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h1
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ring.c5
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c19
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c2
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c7
-rw-r--r--drivers/net/ethernet/freescale/fec.h1
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c2
-rw-r--r--drivers/net/ethernet/freescale/fec_ptp.c64
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ptp.c22
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_main.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cq.c23
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/devlink.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c33
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c15
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c7
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/steering/sws/dr_send.c28
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core_linecards.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c6
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_fw.c2
-rw-r--r--drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c5
-rw-r--r--drivers/net/ethernet/qlogic/qede/qede_fp.c5
-rw-r--r--drivers/net/ethernet/realtek/r8169_main.c19
-rw-r--r--drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c4
-rw-r--r--drivers/net/ethernet/ti/am65-cpsw-qos.c51
-rw-r--r--drivers/net/ethernet/toshiba/ps3_gelic_net.c45
-rw-r--r--drivers/net/ethernet/toshiba/ps3_gelic_net.h1
31 files changed, 281 insertions, 126 deletions
diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c
index 691361b25407..c0e17035db18 100644
--- a/drivers/net/ethernet/airoha/airoha_ppe.c
+++ b/drivers/net/ethernet/airoha/airoha_ppe.c
@@ -282,7 +282,7 @@ static int airoha_ppe_foe_entry_prepare(struct airoha_eth *eth,
if (!airoha_is_valid_gdm_port(eth, port))
return -EINVAL;
- if (dsa_port >= 0)
+ if (dsa_port >= 0 || eth->ports[1])
pse_port = port->id == 4 ? FE_PSE_PORT_GDM4
: port->id;
else
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c
index 1921741f7311..18b08277d2e1 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c
@@ -15,6 +15,7 @@
#include "aq_hw.h"
#include "aq_nic.h"
+#include "hw_atl/hw_atl_llh.h"
void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk,
u32 shift, u32 val)
@@ -81,6 +82,27 @@ void aq_hw_write_reg64(struct aq_hw_s *hw, u32 reg, u64 value)
lo_hi_writeq(value, hw->mmio + reg);
}
+int aq_hw_invalidate_descriptor_cache(struct aq_hw_s *hw)
+{
+ int err;
+ u32 val;
+
+ /* Invalidate Descriptor Cache to prevent writing to the cached
+ * descriptors and to the data pointer of those descriptors
+ */
+ hw_atl_rdm_rx_dma_desc_cache_init_tgl(hw);
+
+ err = aq_hw_err_from_flags(hw);
+ if (err)
+ goto err_exit;
+
+ readx_poll_timeout_atomic(hw_atl_rdm_rx_dma_desc_cache_init_done_get,
+ hw, val, val == 1, 1000U, 10000U);
+
+err_exit:
+ return err;
+}
+
int aq_hw_err_from_flags(struct aq_hw_s *hw)
{
int err = 0;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h
index ffa6e4067c21..d89c63d88e4a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h
@@ -35,6 +35,7 @@ u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg);
void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value);
u64 aq_hw_read_reg64(struct aq_hw_s *hw, u32 reg);
void aq_hw_write_reg64(struct aq_hw_s *hw, u32 reg, u64 value);
+int aq_hw_invalidate_descriptor_cache(struct aq_hw_s *hw);
int aq_hw_err_from_flags(struct aq_hw_s *hw);
int aq_hw_num_tcs(struct aq_hw_s *hw);
int aq_hw_q_per_tc(struct aq_hw_s *hw);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index f21de0c21e52..d23d23bed39f 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -547,6 +547,11 @@ static int __aq_ring_rx_clean(struct aq_ring_s *self, struct napi_struct *napi,
if (!buff->is_eop) {
unsigned int frag_cnt = 0U;
+
+ /* There will be an extra fragment */
+ if (buff->len > AQ_CFG_RX_HDR_SIZE)
+ frag_cnt++;
+
buff_ = buff;
do {
bool is_rsc_completed = true;
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 493432d036b9..c7895bfb2ecf 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -1198,26 +1198,9 @@ static int hw_atl_b0_hw_interrupt_moderation_set(struct aq_hw_s *self)
static int hw_atl_b0_hw_stop(struct aq_hw_s *self)
{
- int err;
- u32 val;
-
hw_atl_b0_hw_irq_disable(self, HW_ATL_B0_INT_MASK);
- /* Invalidate Descriptor Cache to prevent writing to the cached
- * descriptors and to the data pointer of those descriptors
- */
- hw_atl_rdm_rx_dma_desc_cache_init_tgl(self);
-
- err = aq_hw_err_from_flags(self);
-
- if (err)
- goto err_exit;
-
- readx_poll_timeout_atomic(hw_atl_rdm_rx_dma_desc_cache_init_done_get,
- self, val, val == 1, 1000U, 10000U);
-
-err_exit:
- return err;
+ return aq_hw_invalidate_descriptor_cache(self);
}
int hw_atl_b0_hw_ring_tx_stop(struct aq_hw_s *self, struct aq_ring_s *ring)
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
index b0ed572e88c6..0ce9caae8799 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
@@ -759,7 +759,7 @@ static int hw_atl2_hw_stop(struct aq_hw_s *self)
{
hw_atl_b0_hw_irq_disable(self, HW_ATL2_INT_MASK);
- return 0;
+ return aq_hw_invalidate_descriptor_cache(self);
}
static struct aq_stats_s *hw_atl2_utils_get_hw_stats(struct aq_hw_s *self)
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index cb004fd16252..5bb31c8fab39 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -1296,7 +1296,8 @@ static void be_xmit_flush(struct be_adapter *adapter, struct be_tx_obj *txo)
(adapter->bmc_filt_mask & BMC_FILT_MULTICAST)
static bool be_send_pkt_to_bmc(struct be_adapter *adapter,
- struct sk_buff **skb)
+ struct sk_buff **skb,
+ struct be_wrb_params *wrb_params)
{
struct ethhdr *eh = (struct ethhdr *)(*skb)->data;
bool os2bmc = false;
@@ -1360,7 +1361,7 @@ done:
* to BMC, asic expects the vlan to be inline in the packet.
*/
if (os2bmc)
- *skb = be_insert_vlan_in_pkt(adapter, *skb, NULL);
+ *skb = be_insert_vlan_in_pkt(adapter, *skb, wrb_params);
return os2bmc;
}
@@ -1387,7 +1388,7 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev)
/* if os2bmc is enabled and if the pkt is destined to bmc,
* enqueue the pkt a 2nd time with mgmt bit set.
*/
- if (be_send_pkt_to_bmc(adapter, &skb)) {
+ if (be_send_pkt_to_bmc(adapter, &skb, &wrb_params)) {
BE_WRB_F_SET(wrb_params.features, OS2BMC, 1);
wrb_cnt = be_xmit_enqueue(adapter, txo, skb, &wrb_params);
if (unlikely(!wrb_cnt))
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index 41e0d85d15da..abf1ef8e76c6 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -687,6 +687,7 @@ struct fec_enet_private {
unsigned int reload_period;
int pps_enable;
unsigned int next_counter;
+ bool perout_enable;
struct hrtimer perout_timer;
u64 perout_stime;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 1edcfaee6819..3222359ac15b 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1835,6 +1835,8 @@ fec_enet_rx_queue(struct net_device *ndev, u16 queue_id, int budget)
ndev->stats.rx_packets++;
pkt_len = fec16_to_cpu(bdp->cbd_datlen);
ndev->stats.rx_bytes += pkt_len;
+ if (fep->quirks & FEC_QUIRK_HAS_RACC)
+ ndev->stats.rx_bytes -= 2;
index = fec_enet_get_bd_index(bdp, &rxq->bd);
page = rxq->rx_skb_info[index].page;
diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index fa88b47d526c..4b7bad9a485d 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -128,6 +128,12 @@ static int fec_ptp_enable_pps(struct fec_enet_private *fep, uint enable)
spin_lock_irqsave(&fep->tmreg_lock, flags);
+ if (fep->perout_enable) {
+ spin_unlock_irqrestore(&fep->tmreg_lock, flags);
+ dev_err(&fep->pdev->dev, "PEROUT is running");
+ return -EBUSY;
+ }
+
if (fep->pps_enable == enable) {
spin_unlock_irqrestore(&fep->tmreg_lock, flags);
return 0;
@@ -243,6 +249,7 @@ static int fec_ptp_pps_perout(struct fec_enet_private *fep)
* the FEC_TCCR register in time and missed the start time.
*/
if (fep->perout_stime < curr_time + 100 * NSEC_PER_MSEC) {
+ fep->perout_enable = false;
dev_err(&fep->pdev->dev, "Current time is too close to the start time!\n");
spin_unlock_irqrestore(&fep->tmreg_lock, flags);
return -1;
@@ -497,7 +504,10 @@ static int fec_ptp_pps_disable(struct fec_enet_private *fep, uint channel)
{
unsigned long flags;
+ hrtimer_cancel(&fep->perout_timer);
+
spin_lock_irqsave(&fep->tmreg_lock, flags);
+ fep->perout_enable = false;
writel(0, fep->hwp + FEC_TCSR(channel));
spin_unlock_irqrestore(&fep->tmreg_lock, flags);
@@ -529,6 +539,8 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp,
return ret;
} else if (rq->type == PTP_CLK_REQ_PEROUT) {
+ u32 reload_period;
+
/* Reject requests with unsupported flags */
if (rq->perout.flags)
return -EOPNOTSUPP;
@@ -548,12 +560,14 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp,
return -EOPNOTSUPP;
}
- fep->reload_period = div_u64(period_ns, 2);
- if (on && fep->reload_period) {
+ reload_period = div_u64(period_ns, 2);
+ if (on && reload_period) {
+ u64 perout_stime;
+
/* Convert 1588 timestamp to ns*/
start_time.tv_sec = rq->perout.start.sec;
start_time.tv_nsec = rq->perout.start.nsec;
- fep->perout_stime = timespec64_to_ns(&start_time);
+ perout_stime = timespec64_to_ns(&start_time);
mutex_lock(&fep->ptp_clk_mutex);
if (!fep->ptp_clk_on) {
@@ -562,18 +576,41 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp,
return -EOPNOTSUPP;
}
spin_lock_irqsave(&fep->tmreg_lock, flags);
+
+ if (fep->pps_enable) {
+ dev_err(&fep->pdev->dev, "PPS is running");
+ ret = -EBUSY;
+ goto unlock;
+ }
+
+ if (fep->perout_enable) {
+ dev_err(&fep->pdev->dev,
+ "PEROUT has been enabled\n");
+ ret = -EBUSY;
+ goto unlock;
+ }
+
/* Read current timestamp */
curr_time = timecounter_read(&fep->tc);
- spin_unlock_irqrestore(&fep->tmreg_lock, flags);
- mutex_unlock(&fep->ptp_clk_mutex);
+ if (perout_stime <= curr_time) {
+ dev_err(&fep->pdev->dev,
+ "Start time must be greater than current time\n");
+ ret = -EINVAL;
+ goto unlock;
+ }
/* Calculate time difference */
- delta = fep->perout_stime - curr_time;
+ delta = perout_stime - curr_time;
+ fep->reload_period = reload_period;
+ fep->perout_stime = perout_stime;
+ fep->perout_enable = true;
- if (fep->perout_stime <= curr_time) {
- dev_err(&fep->pdev->dev, "Start time must larger than current time!\n");
- return -EINVAL;
- }
+unlock:
+ spin_unlock_irqrestore(&fep->tmreg_lock, flags);
+ mutex_unlock(&fep->ptp_clk_mutex);
+
+ if (ret)
+ return ret;
/* Because the timer counter of FEC only has 31-bits, correspondingly,
* the time comparison register FEC_TCCR also only low 31 bits can be
@@ -681,8 +718,11 @@ static irqreturn_t fec_pps_interrupt(int irq, void *dev_id)
fep->next_counter = (fep->next_counter + fep->reload_period) &
fep->cc.mask;
- event.type = PTP_CLOCK_PPS;
- ptp_clock_event(fep->ptp_clock, &event);
+ if (fep->pps_enable) {
+ event.type = PTP_CLOCK_PPS;
+ ptp_clock_event(fep->ptp_clock, &event);
+ }
+
return IRQ_HANDLED;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index fb0f6365a6d6..8ec0f7d0fceb 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -3246,7 +3246,7 @@ void ice_ptp_init(struct ice_pf *pf)
err = ice_ptp_init_port(pf, &ptp->port);
if (err)
- goto err_exit;
+ goto err_clean_pf;
/* Start the PHY timestamping block */
ice_ptp_reset_phy_timestamping(pf);
@@ -3263,13 +3263,19 @@ void ice_ptp_init(struct ice_pf *pf)
dev_info(ice_pf_to_dev(pf), "PTP init successful\n");
return;
+err_clean_pf:
+ mutex_destroy(&ptp->port.ps_lock);
+ ice_ptp_cleanup_pf(pf);
err_exit:
/* If we registered a PTP clock, release it */
if (pf->ptp.clock) {
ptp_clock_unregister(ptp->clock);
pf->ptp.clock = NULL;
}
- ptp->state = ICE_PTP_ERROR;
+ /* Keep ICE_PTP_UNINIT state to avoid ambiguity at driver unload
+ * and to avoid duplicated resources release.
+ */
+ ptp->state = ICE_PTP_UNINIT;
dev_err(ice_pf_to_dev(pf), "PTP failed %d\n", err);
}
@@ -3282,9 +3288,19 @@ err_exit:
*/
void ice_ptp_release(struct ice_pf *pf)
{
- if (pf->ptp.state != ICE_PTP_READY)
+ if (pf->ptp.state == ICE_PTP_UNINIT)
return;
+ if (pf->ptp.state != ICE_PTP_READY) {
+ mutex_destroy(&pf->ptp.port.ps_lock);
+ ice_ptp_cleanup_pf(pf);
+ if (pf->ptp.clock) {
+ ptp_clock_unregister(pf->ptp.clock);
+ pf->ptp.clock = NULL;
+ }
+ return;
+ }
+
pf->ptp.state = ICE_PTP_UNINIT;
/* Disable timestamping for both Tx and Rx */
diff --git a/drivers/net/ethernet/intel/idpf/idpf_main.c b/drivers/net/ethernet/intel/idpf/idpf_main.c
index 8c46481d2e1f..8cf4ff697572 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_main.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_main.c
@@ -63,6 +63,8 @@ destroy_wqs:
destroy_workqueue(adapter->vc_event_wq);
for (i = 0; i < adapter->max_vports; i++) {
+ if (!adapter->vport_config[i])
+ continue;
kfree(adapter->vport_config[i]->user_config.q_coalesce);
kfree(adapter->vport_config[i]);
adapter->vport_config[i] = NULL;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cq.c b/drivers/net/ethernet/mellanox/mlx5/core/cq.c
index e9f319a9bdd6..60f7ab1d72e7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cq.c
@@ -66,8 +66,8 @@ void mlx5_cq_tasklet_cb(struct tasklet_struct *t)
tasklet_schedule(&ctx->task);
}
-static void mlx5_add_cq_to_tasklet(struct mlx5_core_cq *cq,
- struct mlx5_eqe *eqe)
+void mlx5_add_cq_to_tasklet(struct mlx5_core_cq *cq,
+ struct mlx5_eqe *eqe)
{
unsigned long flags;
struct mlx5_eq_tasklet *tasklet_ctx = cq->tasklet_ctx.priv;
@@ -95,7 +95,15 @@ static void mlx5_add_cq_to_tasklet(struct mlx5_core_cq *cq,
if (schedule_tasklet)
tasklet_schedule(&tasklet_ctx->task);
}
+EXPORT_SYMBOL(mlx5_add_cq_to_tasklet);
+static void mlx5_core_cq_dummy_cb(struct mlx5_core_cq *cq, struct mlx5_eqe *eqe)
+{
+ mlx5_core_err(cq->eq->core.dev,
+ "CQ default completion callback, CQ #%u\n", cq->cqn);
+}
+
+#define MLX5_CQ_INIT_CMD_SN cpu_to_be32(2 << 28)
/* Callers must verify outbox status in case of err */
int mlx5_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
u32 *in, int inlen, u32 *out, int outlen)
@@ -121,10 +129,19 @@ int mlx5_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
cq->arm_sn = 0;
cq->eq = eq;
cq->uid = MLX5_GET(create_cq_in, in, uid);
+
+ /* Kernel CQs must set the arm_db address prior to calling
+ * this function, allowing for the proper value to be
+ * initialized. User CQs are responsible for their own
+ * initialization since they do not use the arm_db field.
+ */
+ if (cq->arm_db)
+ *cq->arm_db = MLX5_CQ_INIT_CMD_SN;
+
refcount_set(&cq->refcount, 1);
init_completion(&cq->free);
if (!cq->comp)
- cq->comp = mlx5_add_cq_to_tasklet;
+ cq->comp = mlx5_core_cq_dummy_cb;
/* assuming CQ will be deleted before the EQ */
cq->tasklet_ctx.priv = &eq->tasklet_ctx;
INIT_LIST_HEAD(&cq->tasklet_ctx.list);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index fceea83abbd7..887adf4807d1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -541,7 +541,7 @@ static int mlx5_devlink_num_doorbells_validate(struct devlink *devlink, u32 id,
max_num_channels = mlx5e_get_max_num_channels(mdev);
if (val32 > max_num_channels) {
NL_SET_ERR_MSG_FMT_MOD(extack,
- "Requested num_doorbells (%u) exceeds maximum number of channels (%u)",
+ "Requested num_doorbells (%u) exceeds max number of channels (%u)",
val32, max_num_channels);
return -EINVAL;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
index 0a4fb8c92268..35d9530037a6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
@@ -804,7 +804,8 @@ static int mlx5e_xfrm_add_state(struct net_device *dev,
goto err_xfrm;
}
- if (mlx5_eswitch_block_mode(priv->mdev))
+ err = mlx5_eswitch_block_mode(priv->mdev);
+ if (err)
goto unblock_ipsec;
if (x->props.mode == XFRM_MODE_TUNNEL &&
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
index d166c0d5189e..cf8f14ce4cd5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -595,32 +595,55 @@ static int mlx5e_dcbnl_ieee_setmaxrate(struct net_device *netdev,
struct mlx5_core_dev *mdev = priv->mdev;
u8 max_bw_value[IEEE_8021QAZ_MAX_TCS];
u8 max_bw_unit[IEEE_8021QAZ_MAX_TCS];
- __u64 upper_limit_mbps = roundup(255 * MLX5E_100MB, MLX5E_1GB);
+ __u64 upper_limit_mbps;
+ __u64 upper_limit_gbps;
int i;
+ struct {
+ int scale;
+ const char *units_str;
+ } units[] = {
+ [MLX5_100_MBPS_UNIT] = {
+ .scale = 100,
+ .units_str = "Mbps",
+ },
+ [MLX5_GBPS_UNIT] = {
+ .scale = 1,
+ .units_str = "Gbps",
+ },
+ };
memset(max_bw_value, 0, sizeof(max_bw_value));
memset(max_bw_unit, 0, sizeof(max_bw_unit));
+ upper_limit_mbps = 255 * MLX5E_100MB;
+ upper_limit_gbps = 255 * MLX5E_1GB;
for (i = 0; i <= mlx5_max_tc(mdev); i++) {
if (!maxrate->tc_maxrate[i]) {
max_bw_unit[i] = MLX5_BW_NO_LIMIT;
continue;
}
- if (maxrate->tc_maxrate[i] < upper_limit_mbps) {
+ if (maxrate->tc_maxrate[i] <= upper_limit_mbps) {
max_bw_value[i] = div_u64(maxrate->tc_maxrate[i],
MLX5E_100MB);
max_bw_value[i] = max_bw_value[i] ? max_bw_value[i] : 1;
max_bw_unit[i] = MLX5_100_MBPS_UNIT;
- } else {
+ } else if (maxrate->tc_maxrate[i] <= upper_limit_gbps) {
max_bw_value[i] = div_u64(maxrate->tc_maxrate[i],
MLX5E_1GB);
max_bw_unit[i] = MLX5_GBPS_UNIT;
+ } else {
+ netdev_err(netdev,
+ "tc_%d maxrate %llu Kbps exceeds limit %llu\n",
+ i, maxrate->tc_maxrate[i],
+ upper_limit_gbps);
+ return -EINVAL;
}
}
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
- netdev_dbg(netdev, "%s: tc_%d <=> max_bw %d Gbps\n",
- __func__, i, max_bw_value[i]);
+ netdev_dbg(netdev, "%s: tc_%d <=> max_bw %u %s\n", __func__, i,
+ max_bw_value[i] * units[max_bw_unit[i]].scale,
+ units[max_bw_unit[i]].units_str);
}
return mlx5_modify_port_ets_rate_limit(mdev, max_bw_value, max_bw_unit);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 6023bbbf3f39..5e17eae81f4b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2219,7 +2219,6 @@ static int mlx5e_alloc_cq_common(struct mlx5_core_dev *mdev,
mcq->set_ci_db = cq->wq_ctrl.db.db;
mcq->arm_db = cq->wq_ctrl.db.db + 1;
*mcq->set_ci_db = 0;
- *mcq->arm_db = 0;
mcq->vector = param->eq_ix;
mcq->comp = mlx5e_completion_event;
mcq->event = mlx5e_cq_error_event;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
index cb1319974f83..ccef64fb40b6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
@@ -421,6 +421,13 @@ static int mlx5_fpga_conn_create_cq(struct mlx5_fpga_conn *conn, int cq_size)
__be64 *pas;
u32 i;
+ conn->cq.mcq.cqe_sz = 64;
+ conn->cq.mcq.set_ci_db = conn->cq.wq_ctrl.db.db;
+ conn->cq.mcq.arm_db = conn->cq.wq_ctrl.db.db + 1;
+ *conn->cq.mcq.set_ci_db = 0;
+ conn->cq.mcq.vector = 0;
+ conn->cq.mcq.comp = mlx5_fpga_conn_cq_complete;
+
cq_size = roundup_pow_of_two(cq_size);
MLX5_SET(cqc, temp_cqc, log_cq_size, ilog2(cq_size));
@@ -468,15 +475,7 @@ static int mlx5_fpga_conn_create_cq(struct mlx5_fpga_conn *conn, int cq_size)
if (err)
goto err_cqwq;
- conn->cq.mcq.cqe_sz = 64;
- conn->cq.mcq.set_ci_db = conn->cq.wq_ctrl.db.db;
- conn->cq.mcq.arm_db = conn->cq.wq_ctrl.db.db + 1;
- *conn->cq.mcq.set_ci_db = 0;
- *conn->cq.mcq.arm_db = 0;
- conn->cq.mcq.vector = 0;
- conn->cq.mcq.comp = mlx5_fpga_conn_cq_complete;
tasklet_setup(&conn->cq.tasklet, mlx5_fpga_conn_cq_tasklet);
-
mlx5_fpga_dbg(fdev, "Created CQ #0x%x\n", conn->cq.mcq.cqn);
goto out;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
index e18a850c615c..aa3b5878e3da 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
@@ -324,10 +324,8 @@ err_xa:
free_irq(irq->map.virq, &irq->nh);
err_req_irq:
#ifdef CONFIG_RFS_ACCEL
- if (i && rmap && *rmap) {
- free_irq_cpu_rmap(*rmap);
- *rmap = NULL;
- }
+ if (i && rmap && *rmap)
+ irq_cpu_rmap_remove(*rmap, irq->map.virq);
err_irq_rmap:
#endif
if (i && pci_msix_can_alloc_dyn(dev->pdev))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c
index 24ef7d66fa8a..7510c46e58a5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c
@@ -873,12 +873,6 @@ err_free_sqc:
return err;
}
-static void hws_cq_complete(struct mlx5_core_cq *mcq,
- struct mlx5_eqe *eqe)
-{
- pr_err("CQ completion CQ: #%u\n", mcq->cqn);
-}
-
static int hws_send_ring_alloc_cq(struct mlx5_core_dev *mdev,
int numa_node,
struct mlx5hws_send_engine *queue,
@@ -901,7 +895,6 @@ static int hws_send_ring_alloc_cq(struct mlx5_core_dev *mdev,
mcq->cqe_sz = 64;
mcq->set_ci_db = cq->wq_ctrl.db.db;
mcq->arm_db = cq->wq_ctrl.db.db + 1;
- mcq->comp = hws_cq_complete;
for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) {
cqe = mlx5_cqwq_get_wqe(&cq->wq, i);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/sws/dr_send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/sws/dr_send.c
index 077a77fde670..d034372fa047 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/sws/dr_send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/sws/dr_send.c
@@ -1049,12 +1049,6 @@ static int dr_prepare_qp_to_rts(struct mlx5dr_domain *dmn)
return 0;
}
-static void dr_cq_complete(struct mlx5_core_cq *mcq,
- struct mlx5_eqe *eqe)
-{
- pr_err("CQ completion CQ: #%u\n", mcq->cqn);
-}
-
static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev,
struct mlx5_uars_page *uar,
size_t ncqe)
@@ -1089,6 +1083,13 @@ static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev,
cqe->op_own = MLX5_CQE_INVALID << 4 | MLX5_CQE_OWNER_MASK;
}
+ cq->mcq.cqe_sz = 64;
+ cq->mcq.set_ci_db = cq->wq_ctrl.db.db;
+ cq->mcq.arm_db = cq->wq_ctrl.db.db + 1;
+ *cq->mcq.set_ci_db = 0;
+ cq->mcq.vector = 0;
+ cq->mdev = mdev;
+
inlen = MLX5_ST_SZ_BYTES(create_cq_in) +
sizeof(u64) * cq->wq_ctrl.buf.npages;
in = kvzalloc(inlen, GFP_KERNEL);
@@ -1112,27 +1113,12 @@ static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev,
pas = (__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas);
mlx5_fill_page_frag_array(&cq->wq_ctrl.buf, pas);
- cq->mcq.comp = dr_cq_complete;
-
err = mlx5_core_create_cq(mdev, &cq->mcq, in, inlen, out, sizeof(out));
kvfree(in);
if (err)
goto err_cqwq;
- cq->mcq.cqe_sz = 64;
- cq->mcq.set_ci_db = cq->wq_ctrl.db.db;
- cq->mcq.arm_db = cq->wq_ctrl.db.db + 1;
- *cq->mcq.set_ci_db = 0;
-
- /* set no-zero value, in order to avoid the HW to run db-recovery on
- * CQ that used in polling mode.
- */
- *cq->mcq.arm_db = cpu_to_be32(2 << 28);
-
- cq->mcq.vector = 0;
- cq->mdev = mdev;
-
return cq;
err_cqwq:
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c b/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c
index b032d5a4b3b8..10f5bc4892fc 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_linecards.c
@@ -601,6 +601,8 @@ int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard,
err = devlink_info_version_fixed_put(req,
DEVLINK_INFO_VERSION_GENERIC_FW_PSID,
info->psid);
+ if (err)
+ goto unlock;
sprintf(buf, "%u.%u.%u", info->fw_major, info->fw_minor,
info->fw_sub_minor);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
index 6a4a81c63451..353fd9ca89a6 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
@@ -830,8 +830,10 @@ int mlxsw_sp_flower_stats(struct mlxsw_sp *mlxsw_sp,
return -EINVAL;
rule = mlxsw_sp_acl_rule_lookup(mlxsw_sp, ruleset, f->cookie);
- if (!rule)
- return -EINVAL;
+ if (!rule) {
+ err = -EINVAL;
+ goto err_rule_get_stats;
+ }
err = mlxsw_sp_acl_rule_get_stats(mlxsw_sp, rule, &packets, &bytes,
&drops, &lastuse, &used_hw_stats);
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_fw.c b/drivers/net/ethernet/meta/fbnic/fbnic_fw.c
index c87cb9ed09e7..fcd9912e7ad3 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_fw.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_fw.c
@@ -201,7 +201,7 @@ static int fbnic_mbx_alloc_rx_msgs(struct fbnic_dev *fbd)
return -ENODEV;
/* Fill all but 1 unused descriptors in the Rx queue. */
- count = (head - tail - 1) % FBNIC_IPC_MBX_DESC_LEN;
+ count = (head - tail - 1) & (FBNIC_IPC_MBX_DESC_LEN - 1);
while (!err && count--) {
struct fbnic_tlv_msg *msg;
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c b/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
index b4377b8613c3..8c40db90ee8f 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c
@@ -1,11 +1,14 @@
// SPDX-License-Identifier: GPL-2.0+
#include <linux/ptp_classify.h>
+#include <linux/units.h>
#include "lan966x_main.h"
#include "vcap_api.h"
#include "vcap_api_client.h"
+#define LAN9X66_CLOCK_RATE 165617754
+
#define LAN966X_MAX_PTP_ID 512
/* Represents 1ppm adjustment in 2^59 format with 6.037735849ns as reference
@@ -1126,5 +1129,5 @@ void lan966x_ptp_rxtstamp(struct lan966x *lan966x, struct sk_buff *skb,
u32 lan966x_ptp_get_period_ps(void)
{
/* This represents the system clock period in picoseconds */
- return 15125;
+ return PICO / LAN9X66_CLOCK_RATE;
}
diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c
index 847fa62c80df..e338bfc8b7b2 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_fp.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c
@@ -4,6 +4,7 @@
* Copyright (c) 2019-2020 Marvell International Ltd.
*/
+#include <linux/array_size.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
@@ -960,7 +961,7 @@ static inline void qede_tpa_cont(struct qede_dev *edev,
{
int i;
- for (i = 0; cqe->len_list[i]; i++)
+ for (i = 0; cqe->len_list[i] && i < ARRAY_SIZE(cqe->len_list); i++)
qede_fill_frag_skb(edev, rxq, cqe->tpa_agg_index,
le16_to_cpu(cqe->len_list[i]));
@@ -985,7 +986,7 @@ static int qede_tpa_end(struct qede_dev *edev,
dma_unmap_page(rxq->dev, tpa_info->buffer.mapping,
PAGE_SIZE, rxq->data_direction);
- for (i = 0; cqe->len_list[i]; i++)
+ for (i = 0; cqe->len_list[i] && i < ARRAY_SIZE(cqe->len_list); i++)
qede_fill_frag_skb(edev, rxq, cqe->tpa_agg_index,
le16_to_cpu(cqe->len_list[i]));
if (unlikely(i > 1))
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index d18734fe12e4..853aabedb128 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -1514,11 +1514,20 @@ static enum rtl_dash_type rtl_get_dash_type(struct rtl8169_private *tp)
static void rtl_set_d3_pll_down(struct rtl8169_private *tp, bool enable)
{
- if (tp->mac_version >= RTL_GIGA_MAC_VER_25 &&
- tp->mac_version != RTL_GIGA_MAC_VER_28 &&
- tp->mac_version != RTL_GIGA_MAC_VER_31 &&
- tp->mac_version != RTL_GIGA_MAC_VER_38)
- r8169_mod_reg8_cond(tp, PMCH, D3_NO_PLL_DOWN, !enable);
+ switch (tp->mac_version) {
+ case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_24:
+ case RTL_GIGA_MAC_VER_28:
+ case RTL_GIGA_MAC_VER_31:
+ case RTL_GIGA_MAC_VER_38:
+ break;
+ case RTL_GIGA_MAC_VER_80:
+ r8169_mod_reg8_cond(tp, PMCH, D3_NO_PLL_DOWN, true);
+ break;
+ default:
+ r8169_mod_reg8_cond(tp, PMCH, D3HOT_NO_PLL_DOWN, true);
+ r8169_mod_reg8_cond(tp, PMCH, D3COLD_NO_PLL_DOWN, !enable);
+ break;
+ }
}
static void rtl_reset_packet_filter(struct rtl8169_private *tp)
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
index 75bad561b352..849c5a6c2af1 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
@@ -1521,8 +1521,10 @@ static int sxgbe_rx(struct sxgbe_priv_data *priv, int limit)
skb = priv->rxq[qnum]->rx_skbuff[entry];
- if (unlikely(!skb))
+ if (unlikely(!skb)) {
netdev_err(priv->dev, "rx descriptor is not consistent\n");
+ break;
+ }
prefetch(skb->data - NET_IP_ALIGN);
priv->rxq[qnum]->rx_skbuff[entry] = NULL;
diff --git a/drivers/net/ethernet/ti/am65-cpsw-qos.c b/drivers/net/ethernet/ti/am65-cpsw-qos.c
index fa96db7c1a13..66e8b224827b 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-qos.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-qos.c
@@ -276,9 +276,31 @@ static int am65_cpsw_iet_set_verify_timeout_count(struct am65_cpsw_port *port)
/* The number of wireside clocks contained in the verify
* timeout counter. The default is 0x1312d0
* (10ms at 125Mhz in 1G mode).
+ * The frequency of the clock depends on the link speed
+ * and the PHY interface.
*/
- val = 125 * HZ_PER_MHZ; /* assuming 125MHz wireside clock */
+ switch (port->slave.phy_if) {
+ case PHY_INTERFACE_MODE_RGMII:
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
+ if (port->qos.link_speed == SPEED_1000)
+ val = 125 * HZ_PER_MHZ; /* 125 MHz at 1000Mbps*/
+ else if (port->qos.link_speed == SPEED_100)
+ val = 25 * HZ_PER_MHZ; /* 25 MHz at 100Mbps*/
+ else
+ val = (25 * HZ_PER_MHZ) / 10; /* 2.5 MHz at 10Mbps*/
+ break;
+
+ case PHY_INTERFACE_MODE_QSGMII:
+ case PHY_INTERFACE_MODE_SGMII:
+ val = 125 * HZ_PER_MHZ; /* 125 MHz */
+ break;
+ default:
+ netdev_err(port->ndev, "selected mode does not supported IET\n");
+ return -EOPNOTSUPP;
+ }
val /= MILLIHZ_PER_HZ; /* count per ms timeout */
val *= verify_time_ms; /* count for timeout ms */
@@ -295,20 +317,21 @@ static int am65_cpsw_iet_verify_wait(struct am65_cpsw_port *port)
u32 ctrl, status;
int try;
- try = 20;
- do {
- /* Reset the verify state machine by writing 1
- * to LINKFAIL
- */
- ctrl = readl(port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
- ctrl |= AM65_CPSW_PN_IET_MAC_LINKFAIL;
- writel(ctrl, port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
+ try = 3;
- /* Clear MAC_LINKFAIL bit to start Verify. */
- ctrl = readl(port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
- ctrl &= ~AM65_CPSW_PN_IET_MAC_LINKFAIL;
- writel(ctrl, port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
+ /* Reset the verify state machine by writing 1
+ * to LINKFAIL
+ */
+ ctrl = readl(port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
+ ctrl |= AM65_CPSW_PN_IET_MAC_LINKFAIL;
+ writel(ctrl, port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
+ /* Clear MAC_LINKFAIL bit to start Verify. */
+ ctrl = readl(port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
+ ctrl &= ~AM65_CPSW_PN_IET_MAC_LINKFAIL;
+ writel(ctrl, port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
+
+ do {
msleep(port->qos.iet.verify_time_ms);
status = readl(port->port_base + AM65_CPSW_PN_REG_IET_STATUS);
@@ -330,7 +353,7 @@ static int am65_cpsw_iet_verify_wait(struct am65_cpsw_port *port)
netdev_dbg(port->ndev, "MAC Merge verify error\n");
return -ENODEV;
}
- } while (try-- > 0);
+ } while (--try > 0);
netdev_dbg(port->ndev, "MAC Merge verify timeout\n");
return -ETIMEDOUT;
diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_net.c b/drivers/net/ethernet/toshiba/ps3_gelic_net.c
index 5ee8e8980393..591866fc9055 100644
--- a/drivers/net/ethernet/toshiba/ps3_gelic_net.c
+++ b/drivers/net/ethernet/toshiba/ps3_gelic_net.c
@@ -260,6 +260,7 @@ void gelic_card_down(struct gelic_card *card)
if (atomic_dec_if_positive(&card->users) == 0) {
pr_debug("%s: real do\n", __func__);
napi_disable(&card->napi);
+ timer_delete_sync(&card->rx_oom_timer);
/*
* Disable irq. Wireless interrupts will
* be disabled later if any
@@ -970,7 +971,8 @@ static void gelic_net_pass_skb_up(struct gelic_descr *descr,
* gelic_card_decode_one_descr - processes an rx descriptor
* @card: card structure
*
- * returns 1 if a packet has been sent to the stack, otherwise 0
+ * returns 1 if a packet has been sent to the stack, -ENOMEM on skb alloc
+ * failure, otherwise 0
*
* processes an rx descriptor by iommu-unmapping the data buffer and passing
* the packet up to the stack
@@ -981,16 +983,18 @@ static int gelic_card_decode_one_descr(struct gelic_card *card)
struct gelic_descr_chain *chain = &card->rx_chain;
struct gelic_descr *descr = chain->head;
struct net_device *netdev = NULL;
- int dmac_chain_ended;
+ int dmac_chain_ended = 0;
+ int prepare_rx_ret;
status = gelic_descr_get_status(descr);
if (status == GELIC_DESCR_DMA_CARDOWNED)
return 0;
- if (status == GELIC_DESCR_DMA_NOT_IN_USE) {
+ if (status == GELIC_DESCR_DMA_NOT_IN_USE || !descr->skb) {
dev_dbg(ctodev(card), "dormant descr? %p\n", descr);
- return 0;
+ dmac_chain_ended = 1;
+ goto refill;
}
/* netdevice select */
@@ -1048,9 +1052,10 @@ static int gelic_card_decode_one_descr(struct gelic_card *card)
refill:
/* is the current descriptor terminated with next_descr == NULL? */
- dmac_chain_ended =
- be32_to_cpu(descr->hw_regs.dmac_cmd_status) &
- GELIC_DESCR_RX_DMA_CHAIN_END;
+ if (!dmac_chain_ended)
+ dmac_chain_ended =
+ be32_to_cpu(descr->hw_regs.dmac_cmd_status) &
+ GELIC_DESCR_RX_DMA_CHAIN_END;
/*
* So that always DMAC can see the end
* of the descriptor chain to avoid
@@ -1062,10 +1067,11 @@ refill:
gelic_descr_set_status(descr, GELIC_DESCR_DMA_NOT_IN_USE);
/*
- * this call can fail, but for now, just leave this
- * descriptor without skb
+ * this call can fail, propagate the error
*/
- gelic_descr_prepare_rx(card, descr);
+ prepare_rx_ret = gelic_descr_prepare_rx(card, descr);
+ if (prepare_rx_ret)
+ return prepare_rx_ret;
chain->tail = descr;
chain->head = descr->next;
@@ -1087,6 +1093,13 @@ refill:
return 1;
}
+static void gelic_rx_oom_timer(struct timer_list *t)
+{
+ struct gelic_card *card = timer_container_of(card, t, rx_oom_timer);
+
+ napi_schedule(&card->napi);
+}
+
/**
* gelic_net_poll - NAPI poll function called by the stack to return packets
* @napi: napi structure
@@ -1099,14 +1112,22 @@ static int gelic_net_poll(struct napi_struct *napi, int budget)
{
struct gelic_card *card = container_of(napi, struct gelic_card, napi);
int packets_done = 0;
+ int work_result = 0;
while (packets_done < budget) {
- if (!gelic_card_decode_one_descr(card))
+ work_result = gelic_card_decode_one_descr(card);
+ if (work_result != 1)
break;
packets_done++;
}
+ if (work_result == -ENOMEM) {
+ napi_complete_done(napi, packets_done);
+ mod_timer(&card->rx_oom_timer, jiffies + 1);
+ return packets_done;
+ }
+
if (packets_done < budget) {
napi_complete_done(napi, packets_done);
gelic_card_rx_irq_on(card);
@@ -1576,6 +1597,8 @@ static struct gelic_card *gelic_alloc_card_net(struct net_device **netdev)
mutex_init(&card->updown_lock);
atomic_set(&card->users, 0);
+ timer_setup(&card->rx_oom_timer, gelic_rx_oom_timer, 0);
+
return card;
}
diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_net.h b/drivers/net/ethernet/toshiba/ps3_gelic_net.h
index f7d7931e51b7..c10f1984a5a1 100644
--- a/drivers/net/ethernet/toshiba/ps3_gelic_net.h
+++ b/drivers/net/ethernet/toshiba/ps3_gelic_net.h
@@ -268,6 +268,7 @@ struct gelic_vlan_id {
struct gelic_card {
struct napi_struct napi;
struct net_device *netdev[GELIC_PORT_MAX];
+ struct timer_list rx_oom_timer;
/*
* hypervisor requires irq_status should be
* 8 bytes aligned, but u64 member is