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Date: Wed, 23 Jan 2013 15:21:46 +0200
From: "Yuval Mintz" <yuvalmin@...adcom.com>
To: davem@...emloft.net, netdev@...r.kernel.org
cc: eilong@...adcom.com, ariele@...adcom.com,
"Yuval Mintz" <yuvalmin@...adcom.com>
Subject: [PATCH net-next 04/12] bnx2x: Add additional debug information
Add/Revise several debug prints in the bnx2x driver - on regular flows
as well as error flows.
Signed-off-by: Yuval Mintz <yuvalmin@...adcom.com>
Signed-off-by: Ariel Elior <ariele@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 7 +++++--
drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c | 4 ++++
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 21 +++++++++++++++++++--
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c | 12 ++++++++++--
4 files changed, 38 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index e8f2700..58f491e 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -3486,9 +3486,10 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
DP(NETIF_MSG_TX_QUEUED,
- "queue[%d]: SKB: summed %x protocol %x protocol(%x,%x) gso type %x xmit_type %x\n",
+ "queue[%d]: SKB: summed %x protocol %x protocol(%x,%x) gso type %x xmit_type %x len %d\n",
txq_index, skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
- ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
+ ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type,
+ skb->len);
eth = (struct ethhdr *)skb->data;
@@ -4078,6 +4079,8 @@ static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index)
} else /* if rx_ring_size specified - use it */
rx_ring_size = bp->rx_ring_size;
+ DP(BNX2X_MSG_SP, "calculated rx_ring_size %d\n", rx_ring_size);
+
/* Common */
sb = &bnx2x_fp(bp, index, status_blk);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
index f949540..9a674b1 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
@@ -1731,6 +1731,10 @@ static int bnx2x_set_ringparam(struct net_device *dev,
{
struct bnx2x *bp = netdev_priv(dev);
+ DP(BNX2X_MSG_ETHTOOL,
+ "set ring params command parameters: rx_pending = %d, tx_pending = %d\n",
+ ering->rx_pending, ering->tx_pending);
+
if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
DP(BNX2X_MSG_ETHTOOL,
"Handling parity error recovery. Try again later\n");
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index e496f19..c9effad 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -1027,6 +1027,17 @@ void bnx2x_panic_dump(struct bnx2x *bp, bool disable_int)
}
#ifdef BNX2X_STOP_ON_ERROR
+
+ /* event queue */
+ for (i = 0; i < NUM_EQ_DESC; i++) {
+ u32 *data = (u32 *)&bp->eq_ring[i].message.data;
+
+ BNX2X_ERR("event queue [%d]: header: opcode %d, error %d\n",
+ i, bp->eq_ring[i].message.opcode,
+ bp->eq_ring[i].message.error);
+ BNX2X_ERR("data: %x %x %x\n", data[0], data[1], data[2]);
+ }
+
/* Rings */
/* Rx */
for_each_valid_rx_queue(bp, i) {
@@ -7395,8 +7406,10 @@ static int bnx2x_init_hw_func(struct bnx2x *bp)
/* FLR cleanup - hmmm */
if (!CHIP_IS_E1x(bp)) {
rc = bnx2x_pf_flr_clnup(bp);
- if (rc)
+ if (rc) {
+ bnx2x_fw_dump(bp);
return rc;
+ }
}
/* set MSI reconfigure capability */
@@ -9782,6 +9795,8 @@ static int bnx2x_prev_unload_uncommon(struct bnx2x *bp)
if (bnx2x_prev_is_path_marked(bp))
return bnx2x_prev_mcp_done(bp);
+ BNX2X_DEV_INFO("Path is unmarked\n");
+
/* If function has FLR capabilities, and existing FW version matches
* the one required, then FLR will be sufficient to clean any residue
* left by previous driver
@@ -9917,7 +9932,8 @@ static void bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
if (!CHIP_IS_E1x(bp)) {
u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
- BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
+ DP(BNX2X_MSG_SP,
+ "'was error' bit was found to be set in pglueb upon startup. Clearing\n");
REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR,
1 << BP_FUNC(bp));
}
@@ -12488,6 +12504,7 @@ static int bnx2x_init_one(struct pci_dev *pdev,
dev_err(&pdev->dev, "Cannot set interrupts\n");
goto init_one_exit;
}
+ BNX2X_DEV_INFO("set interrupts successfully\n");
/* register the net device */
rc = register_netdev(dev);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 4a28601..7d6d601 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -4241,11 +4241,16 @@ int bnx2x_queue_state_change(struct bnx2x *bp,
unsigned long *pending = &o->pending;
/* Check that the requested transition is legal */
- if (o->check_transition(bp, o, params))
+ rc = o->check_transition(bp, o, params);
+ if (rc) {
+ BNX2X_ERR("check transition returned an error. rc %d\n", rc);
return -EINVAL;
+ }
/* Set "pending" bit */
+ DP(BNX2X_MSG_SP, "pending bit was=%lx\n", o->pending);
pending_bit = o->set_pending(o, params);
+ DP(BNX2X_MSG_SP, "pending bit now=%lx\n", o->pending);
/* Don't send a command if only driver cleanup was requested */
if (test_bit(RAMROD_DRV_CLR_ONLY, ¶ms->ramrod_flags))
@@ -5029,8 +5034,11 @@ static int bnx2x_queue_chk_transition(struct bnx2x *bp,
* Don't allow a next state transition if we are in the middle of
* the previous one.
*/
- if (o->pending)
+ if (o->pending) {
+ BNX2X_ERR("Blocking transition since pending was %lx\n",
+ o->pending);
return -EBUSY;
+ }
switch (state) {
case BNX2X_Q_STATE_RESET:
--
1.8.1.227.g44fe835
--
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