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-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c8
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h4
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c56
3 files changed, 35 insertions, 33 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index b75c8eab095c..15db2d679a14 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -1767,6 +1767,9 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
bnx2x_napi_enable(bp);
+ /* set pf load just before approaching the MCP */
+ bnx2x_set_pf_load(bp);
+
/* Send LOAD_REQUEST command to MCP
* Returns the type of LOAD command:
* if it is the first port to be initialized
@@ -1972,7 +1975,6 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
if (bp->state == BNX2X_STATE_OPEN)
bnx2x_cnic_notify(bp, CNIC_CTL_START_CMD);
#endif
- bnx2x_inc_load_cnt(bp);
/* Wait for all pending SP commands to complete */
if (!bnx2x_wait_sp_comp(bp, ~0x0UL)) {
@@ -2012,6 +2014,8 @@ load_error2:
bp->port.pmf = 0;
load_error1:
bnx2x_napi_disable(bp);
+ /* clear pf_load status, as it was already set */
+ bnx2x_clear_pf_load(bp);
load_error0:
bnx2x_free_mem(bp);
@@ -2132,7 +2136,7 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
/* The last driver must disable a "close the gate" if there is no
* parity attention or "process kill" pending.
*/
- if (!bnx2x_dec_load_cnt(bp) && bnx2x_reset_is_done(bp, BP_PATH(bp)))
+ if (!bnx2x_clear_pf_load(bp) && bnx2x_reset_is_done(bp, BP_PATH(bp)))
bnx2x_disable_close_the_gate(bp);
return 0;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index bd990c2e5d1b..a6ef3ef85e51 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -379,8 +379,8 @@ void bnx2x_set_q_rx_mode(struct bnx2x *bp, u8 cl_id,
unsigned long ramrod_flags);
/* Parity errors related */
-void bnx2x_inc_load_cnt(struct bnx2x *bp);
-u32 bnx2x_dec_load_cnt(struct bnx2x *bp);
+void bnx2x_set_pf_load(struct bnx2x *bp);
+bool bnx2x_clear_pf_load(struct bnx2x *bp);
bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print);
bool bnx2x_reset_is_done(struct bnx2x *bp, int engine);
void bnx2x_set_reset_in_progress(struct bnx2x *bp);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 4824b0f8bd23..f7f167a0f85a 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -3812,11 +3812,11 @@ bool bnx2x_reset_is_done(struct bnx2x *bp, int engine)
}
/*
- * Increment the load counter for the current engine.
+ * set pf load for the current pf.
*
* should be run under rtnl lock
*/
-void bnx2x_inc_load_cnt(struct bnx2x *bp)
+void bnx2x_set_pf_load(struct bnx2x *bp)
{
u32 val1, val;
u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
@@ -3832,8 +3832,8 @@ void bnx2x_inc_load_cnt(struct bnx2x *bp)
/* get the current counter value */
val1 = (val & mask) >> shift;
- /* increment... */
- val1++;
+ /* set bit of that PF */
+ val1 |= (1 << bp->pf_num);
/* clear the old value */
val &= ~mask;
@@ -3846,15 +3846,15 @@ void bnx2x_inc_load_cnt(struct bnx2x *bp)
}
/**
- * bnx2x_dec_load_cnt - decrement the load counter
+ * bnx2x_clear_pf_load - clear pf load mark
*
* @bp: driver handle
*
* Should be run under rtnl lock.
* Decrements the load counter for the current engine. Returns
- * the new counter value.
+ * whether other functions are still loaded
*/
-u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
+bool bnx2x_clear_pf_load(struct bnx2x *bp)
{
u32 val1, val;
u32 mask = BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
@@ -3869,8 +3869,8 @@ u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
/* get the current counter value */
val1 = (val & mask) >> shift;
- /* decrement... */
- val1--;
+ /* clear bit of that PF */
+ val1 &= ~(1 << bp->pf_num);
/* clear the old value */
val &= ~mask;
@@ -3884,11 +3884,11 @@ u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
}
/*
- * Read the load counter for the current engine.
+ * Read the load status for the current engine.
*
* should be run under rtnl lock
*/
-static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp, int engine)
+static inline bool bnx2x_get_load_status(struct bnx2x *bp, int engine)
{
u32 mask = (engine ? BNX2X_PATH1_LOAD_CNT_MASK :
BNX2X_PATH0_LOAD_CNT_MASK);
@@ -3900,17 +3900,15 @@ static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp, int engine)
val = (val & mask) >> shift;
- DP(NETIF_MSG_HW, "load_cnt for engine %d = %d\n", engine, val);
+ DP(NETIF_MSG_HW, "load mask for engine %d = 0x%x\n", engine, val);
- return val;
+ return val != 0;
}
/*
- * Reset the load counter for the current engine.
- *
- * should be run under rtnl lock
+ * Reset the load status for the current engine.
*/
-static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
+static inline void bnx2x_clear_load_status(struct bnx2x *bp)
{
u32 val;
u32 mask = (BP_PATH(bp) ? BNX2X_PATH1_LOAD_CNT_MASK :
@@ -8582,10 +8580,10 @@ static void bnx2x_parity_recover(struct bnx2x *bp)
DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
if (bp->is_leader) {
int other_engine = BP_PATH(bp) ? 0 : 1;
- u32 other_load_counter =
- bnx2x_get_load_cnt(bp, other_engine);
- u32 load_counter =
- bnx2x_get_load_cnt(bp, BP_PATH(bp));
+ bool other_load_status =
+ bnx2x_get_load_status(bp, other_engine);
+ bool load_status =
+ bnx2x_get_load_status(bp, BP_PATH(bp));
global = bnx2x_reset_is_global(bp);
/*
@@ -8596,8 +8594,8 @@ static void bnx2x_parity_recover(struct bnx2x *bp)
* the the gates will remain closed for that
* engine.
*/
- if (load_counter ||
- (global && other_load_counter)) {
+ if (load_status ||
+ (global && other_load_status)) {
/* Wait until all other functions get
* down.
*/
@@ -10206,14 +10204,14 @@ static int bnx2x_open(struct net_device *dev)
struct bnx2x *bp = netdev_priv(dev);
bool global = false;
int other_engine = BP_PATH(bp) ? 0 : 1;
- u32 other_load_counter, load_counter;
+ bool other_load_status, load_status;
netif_carrier_off(dev);
bnx2x_set_power_state(bp, PCI_D0);
- other_load_counter = bnx2x_get_load_cnt(bp, other_engine);
- load_counter = bnx2x_get_load_cnt(bp, BP_PATH(bp));
+ other_load_status = bnx2x_get_load_status(bp, other_engine);
+ load_status = bnx2x_get_load_status(bp, BP_PATH(bp));
/*
* If parity had happen during the unload, then attentions
@@ -10239,8 +10237,8 @@ static int bnx2x_open(struct net_device *dev)
* global blocks only the first in the chip should try
* to recover.
*/
- if ((!load_counter &&
- (!global || !other_load_counter)) &&
+ if ((!load_status &&
+ (!global || !other_load_status)) &&
bnx2x_trylock_leader_lock(bp) &&
!bnx2x_leader_reset(bp)) {
netdev_info(bp->dev, "Recovered in open\n");
@@ -10680,7 +10678,7 @@ static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1);
/* Reset the load counter */
- bnx2x_clear_load_cnt(bp);
+ bnx2x_clear_load_status(bp);
dev->watchdog_timeo = TX_TIMEOUT;