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authorYuval Mintz <yuvalmin@broadcom.com>2013-01-23 03:21:46 +0000
committerDavid S. Miller <davem@davemloft.net>2013-01-23 13:58:28 -0500
commit04c467366553680283f953887214854f9b30a59a (patch)
tree4ac764697264cb617731f98ae2fdc1e10abfb14a /drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
parent0926d499e24d22da77f83cbfb3b22e1ad89aa7db (diff)
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@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 4a28601908bc..7d6d601a8420 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, &params->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: