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Date: Tue, 12 May 2015 14:22:42 -0500
From: Tom Lendacky <thomas.lendacky@....com>
To: <netdev@...r.kernel.org>
CC: David Miller <davem@...emloft.net>
Subject: [PATCH net-next v1 2/7] amd-xgbe: Add netif_msg_* support for
driver messages
Add support for the network interface message level settings for
determining whether to issue some of the driver messages.
Signed-off-by: Tom Lendacky <thomas.lendacky@....com>
---
drivers/net/ethernet/amd/xgbe/xgbe-dcb.c | 20 ++++-
drivers/net/ethernet/amd/xgbe/xgbe-desc.c | 39 +++++++---
drivers/net/ethernet/amd/xgbe/xgbe-dev.c | 86 +++++++++++++++-------
drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 111 +++++++++++++++++------------
drivers/net/ethernet/amd/xgbe/xgbe-main.c | 15 +++-
drivers/net/ethernet/amd/xgbe/xgbe-mdio.c | 83 +++++++++++-----------
drivers/net/ethernet/amd/xgbe/xgbe.h | 23 ++----
7 files changed, 225 insertions(+), 152 deletions(-)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c b/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c
index 8a50b01..754b21d 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c
@@ -150,9 +150,14 @@ static int xgbe_dcb_ieee_setets(struct net_device *netdev,
tc_ets = 0;
tc_ets_weight = 0;
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
- DBGPR(" TC%u: tx_bw=%hhu, rx_bw=%hhu, tsa=%hhu\n", i,
- ets->tc_tx_bw[i], ets->tc_rx_bw[i], ets->tc_tsa[i]);
- DBGPR(" PRIO%u: TC=%hhu\n", i, ets->prio_tc[i]);
+ if (netif_msg_drv(pdata)) {
+ netdev_dbg(netdev,
+ "TC%u: tx_bw=%hhu, rx_bw=%hhu, tsa=%hhu\n",
+ i, ets->tc_tx_bw[i], ets->tc_rx_bw[i],
+ ets->tc_tsa[i]);
+ netdev_dbg(netdev, "PRIO%u: TC=%hhu\n", i,
+ ets->prio_tc[i]);
+ }
if ((ets->tc_tx_bw[i] || ets->tc_tsa[i]) &&
(i >= pdata->hw_feat.tc_cnt))
@@ -214,8 +219,9 @@ static int xgbe_dcb_ieee_setpfc(struct net_device *netdev,
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
- DBGPR(" cap=%hhu, en=%hhx, mbc=%hhu, delay=%hhu\n",
- pfc->pfc_cap, pfc->pfc_en, pfc->mbc, pfc->delay);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(netdev, "cap=%hhu, en=%#hhx, mbc=%hhu, delay=%hhu\n",
+ pfc->pfc_cap, pfc->pfc_en, pfc->mbc, pfc->delay);
if (!pdata->pfc) {
pdata->pfc = devm_kzalloc(pdata->dev, sizeof(*pdata->pfc),
@@ -238,9 +244,11 @@ static u8 xgbe_dcb_getdcbx(struct net_device *netdev)
static u8 xgbe_dcb_setdcbx(struct net_device *netdev, u8 dcbx)
{
+ struct xgbe_prv_data *pdata = netdev_priv(netdev);
u8 support = xgbe_dcb_getdcbx(netdev);
- DBGPR(" DCBX=%#hhx\n", dcbx);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(netdev, "DCBX=%#hhx\n", dcbx);
if (dcbx & ~support)
return 1;
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
index d81fc6b..6f2a914 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c
@@ -208,8 +208,10 @@ static int xgbe_init_ring(struct xgbe_prv_data *pdata,
if (!ring->rdata)
return -ENOMEM;
- DBGPR(" rdesc=0x%p, rdesc_dma=0x%llx, rdata=0x%p\n",
- ring->rdesc, ring->rdesc_dma, ring->rdata);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev,
+ "rdesc=%p, rdesc_dma=%pad, rdata=%p\n",
+ ring->rdesc, &ring->rdesc_dma, ring->rdata);
DBGPR("<--xgbe_init_ring\n");
@@ -226,7 +228,10 @@ static int xgbe_alloc_ring_resources(struct xgbe_prv_data *pdata)
channel = pdata->channel;
for (i = 0; i < pdata->channel_count; i++, channel++) {
- DBGPR(" %s - tx_ring:\n", channel->name);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev, "%s - Tx ring:\n",
+ channel->name);
+
ret = xgbe_init_ring(pdata, channel->tx_ring,
pdata->tx_desc_count);
if (ret) {
@@ -235,12 +240,15 @@ static int xgbe_alloc_ring_resources(struct xgbe_prv_data *pdata)
goto err_ring;
}
- DBGPR(" %s - rx_ring:\n", channel->name);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev, "%s - Rx ring:\n",
+ channel->name);
+
ret = xgbe_init_ring(pdata, channel->rx_ring,
pdata->rx_desc_count);
if (ret) {
netdev_alert(pdata->netdev,
- "error initializing Tx ring\n");
+ "error initializing Rx ring\n");
goto err_ring;
}
}
@@ -518,8 +526,6 @@ static int xgbe_map_tx_skb(struct xgbe_channel *channel, struct sk_buff *skb)
rdata = XGBE_GET_DESC_DATA(ring, cur_index);
if (tso) {
- DBGPR(" TSO packet\n");
-
/* Map the TSO header */
skb_dma = dma_map_single(pdata->dev, skb->data,
packet->header_len, DMA_TO_DEVICE);
@@ -529,6 +535,10 @@ static int xgbe_map_tx_skb(struct xgbe_channel *channel, struct sk_buff *skb)
}
rdata->skb_dma = skb_dma;
rdata->skb_dma_len = packet->header_len;
+ if (netif_msg_tx_queued(pdata))
+ netdev_dbg(pdata->netdev,
+ "skb header: index=%u, dma=%pad, len=%u\n",
+ cur_index, &skb_dma, packet->header_len);
offset = packet->header_len;
@@ -550,8 +560,10 @@ static int xgbe_map_tx_skb(struct xgbe_channel *channel, struct sk_buff *skb)
}
rdata->skb_dma = skb_dma;
rdata->skb_dma_len = len;
- DBGPR(" skb data: index=%u, dma=0x%llx, len=%u\n",
- cur_index, skb_dma, len);
+ if (netif_msg_tx_queued(pdata))
+ netdev_dbg(pdata->netdev,
+ "skb data: index=%u, dma=%pad, len=%u\n",
+ cur_index, &skb_dma, len);
datalen -= len;
offset += len;
@@ -563,7 +575,8 @@ static int xgbe_map_tx_skb(struct xgbe_channel *channel, struct sk_buff *skb)
}
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
- DBGPR(" mapping frag %u\n", i);
+ if (netif_msg_tx_queued(pdata))
+ netdev_dbg(pdata->netdev, "mapping frag %u\n", i);
frag = &skb_shinfo(skb)->frags[i];
offset = 0;
@@ -582,8 +595,10 @@ static int xgbe_map_tx_skb(struct xgbe_channel *channel, struct sk_buff *skb)
rdata->skb_dma = skb_dma;
rdata->skb_dma_len = len;
rdata->mapped_as_page = 1;
- DBGPR(" skb data: index=%u, dma=0x%llx, len=%u\n",
- cur_index, skb_dma, len);
+ if (netif_msg_tx_queued(pdata))
+ netdev_dbg(pdata->netdev,
+ "skb frag: index=%u, dma=%pad, len=%u\n",
+ cur_index, &skb_dma, len);
datalen -= len;
offset += len;
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
index 6f593a5..35fad1a 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
@@ -710,7 +710,9 @@ static int xgbe_set_promiscuous_mode(struct xgbe_prv_data *pdata,
if (XGMAC_IOREAD_BITS(pdata, MAC_PFR, PR) == val)
return 0;
- DBGPR(" %s promiscuous mode\n", enable ? "entering" : "leaving");
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev, "%s promiscuous mode\n",
+ enable ? "entering" : "leaving");
XGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, val);
return 0;
@@ -724,7 +726,9 @@ static int xgbe_set_all_multicast_mode(struct xgbe_prv_data *pdata,
if (XGMAC_IOREAD_BITS(pdata, MAC_PFR, PM) == val)
return 0;
- DBGPR(" %s allmulti mode\n", enable ? "entering" : "leaving");
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev, "%s allmulti mode\n",
+ enable ? "entering" : "leaving");
XGMAC_IOWRITE_BITS(pdata, MAC_PFR, PM, val);
return 0;
@@ -749,8 +753,10 @@ static void xgbe_set_mac_reg(struct xgbe_prv_data *pdata,
mac_addr[0] = ha->addr[4];
mac_addr[1] = ha->addr[5];
- DBGPR(" adding mac address %pM at 0x%04x\n", ha->addr,
- *mac_reg);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev,
+ "adding mac address %pM at %#x\n",
+ ha->addr, *mac_reg);
XGMAC_SET_BITS(mac_addr_hi, MAC_MACA1HR, AE, 1);
}
@@ -1322,7 +1328,8 @@ static void xgbe_config_dcb_tc(struct xgbe_prv_data *pdata)
for (i = 0; i < pdata->hw_feat.tc_cnt; i++) {
switch (ets->tc_tsa[i]) {
case IEEE_8021QAZ_TSA_STRICT:
- DBGPR(" TC%u using SP\n", i);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev, "TC%u using SP\n", i);
XGMAC_MTL_IOWRITE_BITS(pdata, i, MTL_TC_ETSCR, TSA,
MTL_TSA_SP);
break;
@@ -1330,7 +1337,10 @@ static void xgbe_config_dcb_tc(struct xgbe_prv_data *pdata)
weight = total_weight * ets->tc_tx_bw[i] / 100;
weight = clamp(weight, min_weight, total_weight);
- DBGPR(" TC%u using DWRR (weight %u)\n", i, weight);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev,
+ "TC%u using DWRR (weight %u)\n", i,
+ weight);
XGMAC_MTL_IOWRITE_BITS(pdata, i, MTL_TC_ETSCR, TSA,
MTL_TSA_ETS);
XGMAC_MTL_IOWRITE_BITS(pdata, i, MTL_TC_QWR, QW,
@@ -1359,7 +1369,9 @@ static void xgbe_config_dcb_pfc(struct xgbe_prv_data *pdata)
}
mask &= 0xff;
- DBGPR(" TC%u PFC mask=%#x\n", tc, mask);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev, "TC%u PFC mask=%#x\n", tc,
+ mask);
reg = MTL_TCPM0R + (MTL_TCPM_INC * (tc / MTL_TCPM_TC_PER_REG));
reg_val = XGMAC_IOREAD(pdata, reg);
@@ -1457,8 +1469,10 @@ static void xgbe_dev_xmit(struct xgbe_channel *channel)
/* Create a context descriptor if this is a TSO packet */
if (tso_context || vlan_context) {
if (tso_context) {
- DBGPR(" TSO context descriptor, mss=%u\n",
- packet->mss);
+ if (netif_msg_tx_queued(pdata))
+ netdev_dbg(pdata->netdev,
+ "TSO context descriptor, mss=%u\n",
+ packet->mss);
/* Set the MSS size */
XGMAC_SET_BITS_LE(rdesc->desc2, TX_CONTEXT_DESC2,
@@ -1476,8 +1490,10 @@ static void xgbe_dev_xmit(struct xgbe_channel *channel)
}
if (vlan_context) {
- DBGPR(" VLAN context descriptor, ctag=%u\n",
- packet->vlan_ctag);
+ if (netif_msg_tx_queued(pdata))
+ netdev_dbg(pdata->netdev,
+ "VLAN context descriptor, ctag=%u\n",
+ packet->vlan_ctag);
/* Mark it as a CONTEXT descriptor */
XGMAC_SET_BITS_LE(rdesc->desc3, TX_CONTEXT_DESC3,
@@ -1596,9 +1612,9 @@ static void xgbe_dev_xmit(struct xgbe_channel *channel)
rdesc = rdata->rdesc;
XGMAC_SET_BITS_LE(rdesc->desc3, TX_NORMAL_DESC3, OWN, 1);
-#ifdef XGMAC_ENABLE_TX_DESC_DUMP
- xgbe_dump_tx_desc(ring, start_index, packet->rdesc_count, 1);
-#endif
+ if (netif_msg_tx_queued(pdata))
+ xgbe_dump_tx_desc(pdata, ring, start_index,
+ packet->rdesc_count, 1);
/* Make sure ownership is written to the descriptor */
dma_wmb();
@@ -1640,9 +1656,8 @@ static int xgbe_dev_read(struct xgbe_channel *channel)
/* Make sure descriptor fields are read after reading the OWN bit */
dma_rmb();
-#ifdef XGMAC_ENABLE_RX_DESC_DUMP
- xgbe_dump_rx_desc(ring, rdesc, ring->cur);
-#endif
+ if (netif_msg_rx_status(pdata))
+ xgbe_dump_rx_desc(pdata, ring, ring->cur);
if (XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, CTXT)) {
/* Timestamp Context Descriptor */
@@ -1713,7 +1728,8 @@ static int xgbe_dev_read(struct xgbe_channel *channel)
/* Check for errors (only valid in last descriptor) */
err = XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, ES);
etlt = XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, ETLT);
- DBGPR(" err=%u, etlt=%#x\n", err, etlt);
+ if (netif_msg_rx_status(pdata))
+ netdev_dbg(netdev, "err=%u, etlt=%#x\n", err, etlt);
if (!err || !etlt) {
/* No error if err is 0 or etlt is 0 */
@@ -1724,7 +1740,9 @@ static int xgbe_dev_read(struct xgbe_channel *channel)
packet->vlan_ctag = XGMAC_GET_BITS_LE(rdesc->desc0,
RX_NORMAL_DESC0,
OVT);
- DBGPR(" vlan-ctag=0x%04x\n", packet->vlan_ctag);
+ if (netif_msg_rx_status(pdata))
+ netdev_dbg(netdev, "vlan-ctag=%#06x\n",
+ packet->vlan_ctag);
}
} else {
if ((etlt == 0x05) || (etlt == 0x06))
@@ -2032,9 +2050,10 @@ static void xgbe_config_tx_fifo_size(struct xgbe_prv_data *pdata)
for (i = 0; i < pdata->tx_q_count; i++)
XGMAC_MTL_IOWRITE_BITS(pdata, i, MTL_Q_TQOMR, TQS, fifo_size);
- netdev_notice(pdata->netdev,
- "%d Tx hardware queues, %d byte fifo per queue\n",
- pdata->tx_q_count, ((fifo_size + 1) * 256));
+ if (netif_msg_drv(pdata))
+ netdev_info(pdata->netdev,
+ "%d Tx hardware queues, %d byte fifo per queue\n",
+ pdata->tx_q_count, ((fifo_size + 1) * 256));
}
static void xgbe_config_rx_fifo_size(struct xgbe_prv_data *pdata)
@@ -2048,9 +2067,10 @@ static void xgbe_config_rx_fifo_size(struct xgbe_prv_data *pdata)
for (i = 0; i < pdata->rx_q_count; i++)
XGMAC_MTL_IOWRITE_BITS(pdata, i, MTL_Q_RQOMR, RQS, fifo_size);
- netdev_notice(pdata->netdev,
- "%d Rx hardware queues, %d byte fifo per queue\n",
- pdata->rx_q_count, ((fifo_size + 1) * 256));
+ if (netif_msg_drv(pdata))
+ netdev_info(pdata->netdev,
+ "%d Rx hardware queues, %d byte fifo per queue\n",
+ pdata->rx_q_count, ((fifo_size + 1) * 256));
}
static void xgbe_config_queue_mapping(struct xgbe_prv_data *pdata)
@@ -2069,14 +2089,18 @@ static void xgbe_config_queue_mapping(struct xgbe_prv_data *pdata)
for (i = 0, queue = 0; i < pdata->hw_feat.tc_cnt; i++) {
for (j = 0; j < qptc; j++) {
- DBGPR(" TXq%u mapped to TC%u\n", queue, i);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev,
+ "TXq%u mapped to TC%u\n", queue, i);
XGMAC_MTL_IOWRITE_BITS(pdata, queue, MTL_Q_TQOMR,
Q2TCMAP, i);
pdata->q2tc_map[queue++] = i;
}
if (i < qptc_extra) {
- DBGPR(" TXq%u mapped to TC%u\n", queue, i);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev,
+ "TXq%u mapped to TC%u\n", queue, i);
XGMAC_MTL_IOWRITE_BITS(pdata, queue, MTL_Q_TQOMR,
Q2TCMAP, i);
pdata->q2tc_map[queue++] = i;
@@ -2094,13 +2118,17 @@ static void xgbe_config_queue_mapping(struct xgbe_prv_data *pdata)
for (i = 0, prio = 0; i < prio_queues;) {
mask = 0;
for (j = 0; j < ppq; j++) {
- DBGPR(" PRIO%u mapped to RXq%u\n", prio, i);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev,
+ "PRIO%u mapped to RXq%u\n", prio, i);
mask |= (1 << prio);
pdata->prio2q_map[prio++] = i;
}
if (i < ppq_extra) {
- DBGPR(" PRIO%u mapped to RXq%u\n", prio, i);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev,
+ "PRIO%u mapped to RXq%u\n", prio, i);
mask |= (1 << prio);
pdata->prio2q_map[prio++] = i;
}
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index db84ddc..a93bbc6 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -183,9 +183,12 @@ static int xgbe_alloc_channels(struct xgbe_prv_data *pdata)
channel->rx_ring = rx_ring++;
}
- DBGPR(" %s: queue=%u, dma_regs=%p, dma_irq=%d, tx=%p, rx=%p\n",
- channel->name, channel->queue_index, channel->dma_regs,
- channel->dma_irq, channel->tx_ring, channel->rx_ring);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(pdata->netdev,
+ "%s: dma_regs=%p, dma_irq=%d, tx=%p, rx=%p\n",
+ channel->name, channel->dma_regs,
+ channel->dma_irq, channel->tx_ring,
+ channel->rx_ring);
}
pdata->channel = channel_mem;
@@ -235,7 +238,9 @@ static int xgbe_maybe_stop_tx_queue(struct xgbe_channel *channel,
struct xgbe_prv_data *pdata = channel->pdata;
if (count > xgbe_tx_avail_desc(ring)) {
- DBGPR(" Tx queue stopped, not enough descriptors available\n");
+ if (netif_msg_drv(pdata))
+ netdev_info(pdata->netdev,
+ "Tx queue stopped, not enough descriptors available\n");
netif_stop_subqueue(pdata->netdev, channel->queue_index);
ring->tx.queue_stopped = 1;
@@ -330,7 +335,8 @@ static irqreturn_t xgbe_isr(int irq, void *data)
if (!dma_isr)
goto isr_done;
- DBGPR(" DMA_ISR = %08x\n", dma_isr);
+ if (netif_msg_intr(pdata))
+ netdev_dbg(pdata->netdev, "DMA_ISR=%#010x\n", dma_isr);
for (i = 0; i < pdata->channel_count; i++) {
if (!(dma_isr & (1 << i)))
@@ -339,7 +345,9 @@ static irqreturn_t xgbe_isr(int irq, void *data)
channel = pdata->channel + i;
dma_ch_isr = XGMAC_DMA_IOREAD(channel, DMA_CH_SR);
- DBGPR(" DMA_CH%u_ISR = %08x\n", i, dma_ch_isr);
+ if (netif_msg_intr(pdata))
+ netdev_dbg(pdata->netdev, "DMA_CH%u_ISR=%#010x\n", i,
+ dma_ch_isr);
/* The TI or RI interrupt bits may still be set even if using
* per channel DMA interrupts. Check to be sure those are not
@@ -386,8 +394,6 @@ static irqreturn_t xgbe_isr(int irq, void *data)
}
}
- DBGPR(" DMA_ISR = %08x\n", XGMAC_IOREAD(pdata, DMA_ISR));
-
isr_done:
return IRQ_HANDLED;
}
@@ -448,7 +454,6 @@ static void xgbe_init_tx_timers(struct xgbe_prv_data *pdata)
if (!channel->tx_ring)
break;
- DBGPR(" %s adding tx timer\n", channel->name);
setup_timer(&channel->tx_timer, xgbe_tx_timer,
(unsigned long)channel);
}
@@ -468,7 +473,6 @@ static void xgbe_stop_tx_timers(struct xgbe_prv_data *pdata)
if (!channel->tx_ring)
break;
- DBGPR(" %s deleting tx timer\n", channel->name);
del_timer_sync(&channel->tx_timer);
}
@@ -848,8 +852,10 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata)
ret = -ENODEV;
goto err_phy_connect;
}
- DBGPR(" phy_connect_direct succeeded for PHY %s, link=%d\n",
- dev_name(&phydev->dev), phydev->link);
+ if (netif_msg_ifup(pdata))
+ netdev_dbg(pdata->netdev,
+ "phy_connect_direct succeeded for PHY %s\n",
+ dev_name(&phydev->dev));
return 0;
@@ -1478,7 +1484,8 @@ static int xgbe_xmit(struct sk_buff *skb, struct net_device *netdev)
ret = NETDEV_TX_OK;
if (skb->len == 0) {
- netdev_err(netdev, "empty skb received from stack\n");
+ if (netif_msg_tx_err(pdata))
+ netdev_err(netdev, "empty skb received from stack\n");
dev_kfree_skb_any(skb);
goto tx_netdev_return;
}
@@ -1494,7 +1501,8 @@ static int xgbe_xmit(struct sk_buff *skb, struct net_device *netdev)
ret = xgbe_prep_tso(skb, packet);
if (ret) {
- netdev_err(netdev, "error processing TSO packet\n");
+ if (netif_msg_tx_err(pdata))
+ netdev_err(netdev, "error processing TSO packet\n");
dev_kfree_skb_any(skb);
goto tx_netdev_return;
}
@@ -1513,9 +1521,8 @@ static int xgbe_xmit(struct sk_buff *skb, struct net_device *netdev)
/* Configure required descriptor fields for transmission */
hw_if->dev_xmit(channel);
-#ifdef XGMAC_ENABLE_TX_PKT_DUMP
- xgbe_print_pkt(netdev, skb, true);
-#endif
+ if (netif_msg_pktdata(pdata))
+ xgbe_print_pkt(netdev, skb, true);
/* Stop the queue in advance if there may not be enough descriptors */
xgbe_maybe_stop_tx_queue(channel, ring, XGBE_TX_MAX_DESCS);
@@ -1710,7 +1717,9 @@ static int xgbe_setup_tc(struct net_device *netdev, u8 tc)
(pdata->q2tc_map[queue] == i))
queue++;
- DBGPR(" TC%u using TXq%u-%u\n", i, offset, queue - 1);
+ if (netif_msg_drv(pdata))
+ netdev_dbg(netdev, "TC%u using TXq%u-%u\n", i,
+ offset, queue - 1);
netdev_set_tc_queue(netdev, i, queue - offset, offset);
offset = queue;
}
@@ -1877,9 +1886,8 @@ static int xgbe_tx_poll(struct xgbe_channel *channel)
* bit */
dma_rmb();
-#ifdef XGMAC_ENABLE_TX_DESC_DUMP
- xgbe_dump_tx_desc(ring, ring->dirty, 1, 0);
-#endif
+ if (netif_msg_tx_done(pdata))
+ xgbe_dump_tx_desc(pdata, ring, ring->dirty, 1, 0);
if (hw_if->is_last_desc(rdesc)) {
tx_packets += rdata->tx.packets;
@@ -1982,8 +1990,9 @@ read_again:
goto read_again;
if (error || packet->errors) {
- if (packet->errors)
- DBGPR("Error in received packet\n");
+ if (packet->errors && netif_msg_rx_err(pdata))
+ netdev_err(netdev,
+ "error in received packet\n");
dev_kfree_skb(skb);
goto next_packet;
}
@@ -2033,14 +2042,15 @@ skip_data:
max_len += VLAN_HLEN;
if (skb->len > max_len) {
- DBGPR("packet length exceeds configured MTU\n");
+ if (netif_msg_rx_err(pdata))
+ netdev_err(netdev,
+ "packet length exceeds configured MTU\n");
dev_kfree_skb(skb);
goto next_packet;
}
-#ifdef XGMAC_ENABLE_RX_PKT_DUMP
- xgbe_print_pkt(netdev, skb, false);
-#endif
+ if (netif_msg_pktdata(pdata))
+ xgbe_print_pkt(netdev, skb, false);
skb_checksum_none_assert(skb);
if (XGMAC_GET_BITS(packet->attributes,
@@ -2165,8 +2175,8 @@ static int xgbe_all_poll(struct napi_struct *napi, int budget)
return processed;
}
-void xgbe_dump_tx_desc(struct xgbe_ring *ring, unsigned int idx,
- unsigned int count, unsigned int flag)
+void xgbe_dump_tx_desc(struct xgbe_prv_data *pdata, struct xgbe_ring *ring,
+ unsigned int idx, unsigned int count, unsigned int flag)
{
struct xgbe_ring_data *rdata;
struct xgbe_ring_desc *rdesc;
@@ -2174,20 +2184,29 @@ void xgbe_dump_tx_desc(struct xgbe_ring *ring, unsigned int idx,
while (count--) {
rdata = XGBE_GET_DESC_DATA(ring, idx);
rdesc = rdata->rdesc;
- pr_alert("TX_NORMAL_DESC[%d %s] = %08x:%08x:%08x:%08x\n", idx,
- (flag == 1) ? "QUEUED FOR TX" : "TX BY DEVICE",
- le32_to_cpu(rdesc->desc0), le32_to_cpu(rdesc->desc1),
- le32_to_cpu(rdesc->desc2), le32_to_cpu(rdesc->desc3));
+ netdev_dbg(pdata->netdev,
+ "TX_NORMAL_DESC[%d %s] = %08x:%08x:%08x:%08x\n", idx,
+ (flag == 1) ? "QUEUED FOR TX" : "TX BY DEVICE",
+ le32_to_cpu(rdesc->desc0),
+ le32_to_cpu(rdesc->desc1),
+ le32_to_cpu(rdesc->desc2),
+ le32_to_cpu(rdesc->desc3));
idx++;
}
}
-void xgbe_dump_rx_desc(struct xgbe_ring *ring, struct xgbe_ring_desc *desc,
+void xgbe_dump_rx_desc(struct xgbe_prv_data *pdata, struct xgbe_ring *ring,
unsigned int idx)
{
- pr_alert("RX_NORMAL_DESC[%d RX BY DEVICE] = %08x:%08x:%08x:%08x\n", idx,
- le32_to_cpu(desc->desc0), le32_to_cpu(desc->desc1),
- le32_to_cpu(desc->desc2), le32_to_cpu(desc->desc3));
+ struct xgbe_ring_data *rdata;
+ struct xgbe_ring_desc *rdesc;
+
+ rdata = XGBE_GET_DESC_DATA(ring, idx);
+ rdesc = rdata->rdesc;
+ netdev_dbg(pdata->netdev,
+ "RX_NORMAL_DESC[%d RX BY DEVICE] = %08x:%08x:%08x:%08x\n",
+ idx, le32_to_cpu(rdesc->desc0), le32_to_cpu(rdesc->desc1),
+ le32_to_cpu(rdesc->desc2), le32_to_cpu(rdesc->desc3));
}
void xgbe_print_pkt(struct net_device *netdev, struct sk_buff *skb, bool tx_rx)
@@ -2197,21 +2216,21 @@ void xgbe_print_pkt(struct net_device *netdev, struct sk_buff *skb, bool tx_rx)
unsigned char buffer[128];
unsigned int i, j;
- netdev_alert(netdev, "\n************** SKB dump ****************\n");
+ netdev_dbg(netdev, "\n************** SKB dump ****************\n");
- netdev_alert(netdev, "%s packet of %d bytes\n",
- (tx_rx ? "TX" : "RX"), skb->len);
+ netdev_dbg(netdev, "%s packet of %d bytes\n",
+ (tx_rx ? "TX" : "RX"), skb->len);
- netdev_alert(netdev, "Dst MAC addr: %pM\n", eth->h_dest);
- netdev_alert(netdev, "Src MAC addr: %pM\n", eth->h_source);
- netdev_alert(netdev, "Protocol: 0x%04hx\n", ntohs(eth->h_proto));
+ netdev_dbg(netdev, "Dst MAC addr: %pM\n", eth->h_dest);
+ netdev_dbg(netdev, "Src MAC addr: %pM\n", eth->h_source);
+ netdev_dbg(netdev, "Protocol: %#06hx\n", ntohs(eth->h_proto));
for (i = 0, j = 0; i < skb->len;) {
j += snprintf(buffer + j, sizeof(buffer) - j, "%02hhx",
buf[i++]);
if ((i % 32) == 0) {
- netdev_alert(netdev, " 0x%04x: %s\n", i - 32, buffer);
+ netdev_dbg(netdev, " %#06x: %s\n", i - 32, buffer);
j = 0;
} else if ((i % 16) == 0) {
buffer[j++] = ' ';
@@ -2221,7 +2240,7 @@ void xgbe_print_pkt(struct net_device *netdev, struct sk_buff *skb, bool tx_rx)
}
}
if (i % 32)
- netdev_alert(netdev, " 0x%04x: %s\n", i - (i % 32), buffer);
+ netdev_dbg(netdev, " %#06x: %s\n", i - (i % 32), buffer);
- netdev_alert(netdev, "\n************** SKB dump ****************\n");
+ netdev_dbg(netdev, "\n************** SKB dump ****************\n");
}
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c
index 7149053..ae869d4 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c
@@ -136,6 +136,13 @@ MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(XGBE_DRV_VERSION);
MODULE_DESCRIPTION(XGBE_DRV_DESC);
+static int debug = -1;
+module_param(debug, int, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(debug, " Network interface message level setting");
+
+static const u32 default_msg_level = (NETIF_MSG_LINK | NETIF_MSG_IFDOWN |
+ NETIF_MSG_IFUP);
+
static void xgbe_default_config(struct xgbe_prv_data *pdata)
{
DBGPR("-->xgbe_default_config\n");
@@ -289,6 +296,8 @@ static int xgbe_probe(struct platform_device *pdev)
mutex_init(&pdata->rss_mutex);
spin_lock_init(&pdata->tstamp_lock);
+ pdata->msg_enable = netif_msg_init(debug, default_msg_level);
+
/* Check if we should use ACPI or DT */
pdata->use_acpi = (!pdata->adev || acpi_disabled) ? 0 : 1;
@@ -318,7 +327,8 @@ static int xgbe_probe(struct platform_device *pdev)
ret = PTR_ERR(pdata->xgmac_regs);
goto err_io;
}
- DBGPR(" xgmac_regs = %p\n", pdata->xgmac_regs);
+ if (netif_msg_probe(pdata))
+ dev_dbg(dev, "xgmac_regs = %p\n", pdata->xgmac_regs);
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
pdata->xpcs_regs = devm_ioremap_resource(dev, res);
@@ -327,7 +337,8 @@ static int xgbe_probe(struct platform_device *pdev)
ret = PTR_ERR(pdata->xpcs_regs);
goto err_io;
}
- DBGPR(" xpcs_regs = %p\n", pdata->xpcs_regs);
+ if (netif_msg_probe(pdata))
+ dev_dbg(dev, "xpcs_regs = %p\n", pdata->xpcs_regs);
/* Retrieve the MAC address */
ret = device_property_read_u8_array(dev, XGBE_MAC_ADDR_PROPERTY,
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
index 59e267f..532a67f 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
@@ -159,48 +159,48 @@ static int xgbe_mdio_write(struct mii_bus *mii, int prtad, int mmd_reg,
void xgbe_dump_phy_registers(struct xgbe_prv_data *pdata)
{
struct device *dev = pdata->dev;
- struct phy_device *phydev = pdata->mii->phy_map[XGBE_PRTAD];
+ struct phy_device *phydev = pdata->phydev;
int i;
- dev_alert(dev, "\n************* PHY Reg dump **********************\n");
-
- dev_alert(dev, "PCS Control Reg (%#04x) = %#04x\n", MDIO_CTRL1,
- XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1));
- dev_alert(dev, "PCS Status Reg (%#04x) = %#04x\n", MDIO_STAT1,
- XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1));
- dev_alert(dev, "Phy Id (PHYS ID 1 %#04x)= %#04x\n", MDIO_DEVID1,
- XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID1));
- dev_alert(dev, "Phy Id (PHYS ID 2 %#04x)= %#04x\n", MDIO_DEVID2,
- XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID2));
- dev_alert(dev, "Devices in Package (%#04x)= %#04x\n", MDIO_DEVS1,
- XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS1));
- dev_alert(dev, "Devices in Package (%#04x)= %#04x\n", MDIO_DEVS2,
- XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS2));
-
- dev_alert(dev, "Auto-Neg Control Reg (%#04x) = %#04x\n", MDIO_CTRL1,
- XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_CTRL1));
- dev_alert(dev, "Auto-Neg Status Reg (%#04x) = %#04x\n", MDIO_STAT1,
- XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_STAT1));
- dev_alert(dev, "Auto-Neg Ad Reg 1 (%#04x) = %#04x\n",
- MDIO_AN_ADVERTISE,
- XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE));
- dev_alert(dev, "Auto-Neg Ad Reg 2 (%#04x) = %#04x\n",
- MDIO_AN_ADVERTISE + 1,
- XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1));
- dev_alert(dev, "Auto-Neg Ad Reg 3 (%#04x) = %#04x\n",
- MDIO_AN_ADVERTISE + 2,
- XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2));
- dev_alert(dev, "Auto-Neg Completion Reg (%#04x) = %#04x\n",
- MDIO_AN_COMP_STAT,
- XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_COMP_STAT));
-
- dev_alert(dev, "MMD Device Mask = %#x\n",
- phydev->c45_ids.devices_in_package);
+ dev_dbg(dev, "\n************* PHY Reg dump **********************\n");
+
+ dev_dbg(dev, "PCS Control Reg (%#04x) = %#04x\n", MDIO_CTRL1,
+ XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1));
+ dev_dbg(dev, "PCS Status Reg (%#04x) = %#04x\n", MDIO_STAT1,
+ XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_STAT1));
+ dev_dbg(dev, "Phy Id (PHYS ID 1 %#04x)= %#04x\n", MDIO_DEVID1,
+ XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID1));
+ dev_dbg(dev, "Phy Id (PHYS ID 2 %#04x)= %#04x\n", MDIO_DEVID2,
+ XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVID2));
+ dev_dbg(dev, "Devices in Package (%#04x)= %#04x\n", MDIO_DEVS1,
+ XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS1));
+ dev_dbg(dev, "Devices in Package (%#04x)= %#04x\n", MDIO_DEVS2,
+ XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_DEVS2));
+
+ dev_dbg(dev, "Auto-Neg Control Reg (%#04x) = %#04x\n", MDIO_CTRL1,
+ XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_CTRL1));
+ dev_dbg(dev, "Auto-Neg Status Reg (%#04x) = %#04x\n", MDIO_STAT1,
+ XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_STAT1));
+ dev_dbg(dev, "Auto-Neg Ad Reg 1 (%#04x) = %#04x\n",
+ MDIO_AN_ADVERTISE,
+ XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE));
+ dev_dbg(dev, "Auto-Neg Ad Reg 2 (%#04x) = %#04x\n",
+ MDIO_AN_ADVERTISE + 1,
+ XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 1));
+ dev_dbg(dev, "Auto-Neg Ad Reg 3 (%#04x) = %#04x\n",
+ MDIO_AN_ADVERTISE + 2,
+ XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_ADVERTISE + 2));
+ dev_dbg(dev, "Auto-Neg Completion Reg (%#04x) = %#04x\n",
+ MDIO_AN_COMP_STAT,
+ XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_AN_COMP_STAT));
+
+ dev_dbg(dev, "MMD Device Mask = %#x\n",
+ phydev->c45_ids.devices_in_package);
for (i = 0; i < ARRAY_SIZE(phydev->c45_ids.device_ids); i++)
- dev_alert(dev, " MMD %d: ID = %#08x\n", i,
- phydev->c45_ids.device_ids[i]);
+ dev_dbg(dev, " MMD %d: ID = %#08x\n", i,
+ phydev->c45_ids.device_ids[i]);
- dev_alert(dev, "\n*************************************************\n");
+ dev_dbg(dev, "\n*************************************************\n");
}
int xgbe_mdio_register(struct xgbe_prv_data *pdata)
@@ -230,7 +230,9 @@ int xgbe_mdio_register(struct xgbe_prv_data *pdata)
dev_err(pdata->dev, "mdiobus_register failed\n");
goto err_mdiobus_alloc;
}
- DBGPR(" mdiobus_register succeeded for %s\n", pdata->mii_bus_id);
+ if (netif_msg_drv(pdata))
+ dev_dbg(pdata->dev, "mdiobus_register succeeded for %s\n",
+ pdata->mii_bus_id);
/* Probe the PCS using Clause 45 */
phydev = get_phy_device(mii, XGBE_PRTAD, true);
@@ -275,7 +277,8 @@ int xgbe_mdio_register(struct xgbe_prv_data *pdata)
pdata->phydev = phydev;
- DBGPHY_REGS(pdata);
+ if (netif_msg_drv(pdata))
+ xgbe_dump_phy_registers(pdata);
DBGPR("<--xgbe_mdio_register\n");
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index ef3d1e5..8313b07 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -793,6 +793,9 @@ struct xgbe_prv_data {
/* Keeps track of power mode */
unsigned int power_down;
+ /* Network interface message level setting */
+ u32 msg_enable;
+
#ifdef CONFIG_DEBUG_FS
struct dentry *xgbe_debugfs;
@@ -818,9 +821,9 @@ void xgbe_mdio_unregister(struct xgbe_prv_data *);
void xgbe_dump_phy_registers(struct xgbe_prv_data *);
void xgbe_ptp_register(struct xgbe_prv_data *);
void xgbe_ptp_unregister(struct xgbe_prv_data *);
-void xgbe_dump_tx_desc(struct xgbe_ring *, unsigned int, unsigned int,
- unsigned int);
-void xgbe_dump_rx_desc(struct xgbe_ring *, struct xgbe_ring_desc *,
+void xgbe_dump_tx_desc(struct xgbe_prv_data *, struct xgbe_ring *,
+ unsigned int, unsigned int, unsigned int);
+void xgbe_dump_rx_desc(struct xgbe_prv_data *, struct xgbe_ring *,
unsigned int);
void xgbe_print_pkt(struct net_device *, struct sk_buff *, bool);
void xgbe_get_all_hw_features(struct xgbe_prv_data *);
@@ -837,18 +840,6 @@ static inline void xgbe_debugfs_init(struct xgbe_prv_data *pdata) {}
static inline void xgbe_debugfs_exit(struct xgbe_prv_data *pdata) {}
#endif /* CONFIG_DEBUG_FS */
-/* NOTE: Uncomment for TX and RX DESCRIPTOR DUMP in KERNEL LOG */
-#if 0
-#define XGMAC_ENABLE_TX_DESC_DUMP
-#define XGMAC_ENABLE_RX_DESC_DUMP
-#endif
-
-/* NOTE: Uncomment for TX and RX PACKET DUMP in KERNEL LOG */
-#if 0
-#define XGMAC_ENABLE_TX_PKT_DUMP
-#define XGMAC_ENABLE_RX_PKT_DUMP
-#endif
-
/* NOTE: Uncomment for function trace log messages in KERNEL LOG */
#if 0
#define YDEBUG
@@ -858,10 +849,8 @@ static inline void xgbe_debugfs_exit(struct xgbe_prv_data *pdata) {}
/* For debug prints */
#ifdef YDEBUG
#define DBGPR(x...) pr_alert(x)
-#define DBGPHY_REGS(x...) xgbe_dump_phy_registers(x)
#else
#define DBGPR(x...) do { } while (0)
-#define DBGPHY_REGS(x...) do { } while (0)
#endif
#ifdef YDEBUG_MDIO
--
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