korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2025-01-26 15:54:18 +08:00
Code Issues Packages Projects Releases Wiki Activity

bnx2x: (semantic) revise scheduling of sp_rtnl

Browse Source 
This removes the various points where the driver use bit operations in order
to schedule the sp_rtnl_task from the code, adding a single utility function
that does it instead.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Mintz 2014-02-12 18:19:56 +02:00 committed by David S. Miller
parent 0155a27cda
commit 230bb0f336
6 changed files with 32 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
View File

@ -1402,7 +1402,7 @@ struct bnx2x_fw_stats_data {
};
/* Public slow path states */
enum {
enum sp_rtnl_flag {
BNX2X_SP_RTNL_SETUP_TC,
BNX2X_SP_RTNL_TX_TIMEOUT,
BNX2X_SP_RTNL_FAN_FAILURE,

18
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
View File

@ -4773,12 +4773,8 @@ void bnx2x_tx_timeout(struct net_device *dev)
bnx2x_panic();
#endif
smp_mb__before_clear_bit();
set_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state);
smp_mb__after_clear_bit();
/* This allows the netif to be shutdown gracefully before resetting */
schedule_delayed_work(&bp->sp_rtnl_task, 0);
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_TIMEOUT, 0);
}
int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
@ -4906,3 +4902,15 @@ void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u8 fw_sb_id,
disable = disable ? 1 : (usec ? 0 : 1);
storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
}
void bnx2x_schedule_sp_rtnl(struct bnx2x *bp, enum sp_rtnl_flag flag,
u32 verbose)
{
smp_mb__before_clear_bit();
set_bit(flag, &bp->sp_rtnl_state);
smp_mb__after_clear_bit();
DP((BNX2X_MSG_SP | verbose), "Scheduling sp_rtnl task [Flag: %d]\n",
flag);
schedule_delayed_work(&bp->sp_rtnl_task, 0);
}
EXPORT_SYMBOL(bnx2x_schedule_sp_rtnl);

3
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
View File

@ -1324,4 +1324,7 @@ void bnx2x_fill_fw_str(struct bnx2x *bp, char *buf, size_t buf_len);
int bnx2x_drain_tx_queues(struct bnx2x *bp);
void bnx2x_squeeze_objects(struct bnx2x *bp);
void bnx2x_schedule_sp_rtnl(struct bnx2x*, enum sp_rtnl_flag,
u32 verbose);
#endif /* BNX2X_CMN_H */

8
drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
View File

@ -710,8 +710,7 @@ static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp)
* as we are handling an attention on a work queue which must be
* flushed at some rtnl-locked contexts (e.g. if down)
*/
if (!test_and_set_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
schedule_delayed_work(&bp->sp_rtnl_task, 0);
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_SETUP_TC, 0);
}
void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
@ -764,10 +763,7 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
if (IS_MF(bp))
bnx2x_link_sync_notify(bp);
set_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state);
schedule_delayed_work(&bp->sp_rtnl_task, 0);
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_STOP, 0);
return;
}
case BNX2X_DCBX_STATE_TX_PAUSED:

28
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
View File

@ -3908,10 +3908,7 @@ static void bnx2x_fan_failure(struct bnx2x *bp)
* This is due to some boards consuming sufficient power when driver is
* up to overheat if fan fails.
*/
smp_mb__before_clear_bit();
set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state);
smp_mb__after_clear_bit();
schedule_delayed_work(&bp->sp_rtnl_task, 0);
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_FAN_FAILURE, 0);
}
static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
@ -5303,6 +5300,8 @@ static void bnx2x_eq_int(struct bnx2x *bp)
break;
} else {
int cmd = BNX2X_SP_RTNL_AFEX_F_UPDATE;
DP(BNX2X_MSG_SP | BNX2X_MSG_MCP,
"AFEX: ramrod completed FUNCTION_UPDATE\n");
f_obj->complete_cmd(bp, f_obj,
@ -5312,12 +5311,7 @@ static void bnx2x_eq_int(struct bnx2x *bp)
* sp_rtnl task as all Queue SP operations
* should run under rtnl_lock.
*/
smp_mb__before_clear_bit();
set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE,
&bp->sp_rtnl_state);
smp_mb__after_clear_bit();
schedule_delayed_work(&bp->sp_rtnl_task, 0);
bnx2x_schedule_sp_rtnl(bp, cmd, 0);
}
goto next_spqe;
@ -12082,11 +12076,8 @@ static void bnx2x_set_rx_mode(struct net_device *dev)
return;
} else {
/* Schedule an SP task to handle rest of change */
DP(NETIF_MSG_IFUP, "Scheduling an Rx mode change\n");
smp_mb__before_clear_bit();
set_bit(BNX2X_SP_RTNL_RX_MODE, &bp->sp_rtnl_state);
smp_mb__after_clear_bit();
schedule_delayed_work(&bp->sp_rtnl_task, 0);
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_RX_MODE,
NETIF_MSG_IFUP);
}
}
@ -12119,11 +12110,8 @@ void bnx2x_set_rx_mode_inner(struct bnx2x *bp)
/* configuring mcast to a vf involves sleeping (when we
* wait for the pf's response).
*/
smp_mb__before_clear_bit();
set_bit(BNX2X_SP_RTNL_VFPF_MCAST,
&bp->sp_rtnl_state);
smp_mb__after_clear_bit();
schedule_delayed_work(&bp->sp_rtnl_task, 0);
bnx2x_schedule_sp_rtnl(bp,
BNX2X_SP_RTNL_VFPF_MCAST, 0);
}
}

17
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
View File

@ -983,11 +983,8 @@ op_err:
op_done:
case BNX2X_VFOP_QSETUP_DONE:
vf->cfg_flags |= VF_CFG_VLAN;
smp_mb__before_clear_bit();
set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
&bp->sp_rtnl_state);
smp_mb__after_clear_bit();
schedule_delayed_work(&bp->sp_rtnl_task, 0);
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_HYPERVISOR_VLAN,
BNX2X_MSG_IOV);
bnx2x_vfop_end(bp, vf, vfop);
return;
default:
@ -3812,13 +3809,9 @@ void bnx2x_timer_sriov(struct bnx2x *bp)
bnx2x_sample_bulletin(bp);
/* if channel is down we need to self destruct */
if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
smp_mb__before_clear_bit();
set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
&bp->sp_rtnl_state);
smp_mb__after_clear_bit();
schedule_delayed_work(&bp->sp_rtnl_task, 0);
}
if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN)
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
BNX2X_MSG_IOV);
}
void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)