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Merge branch 'bnxt_en-fixes'

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Michael Chan says:

====================
bnxt_en: Bug fix and add tx timeout recovery.

Fix a bitmap declaration bug and add missing tx timeout recovery.

v2: Fixed white space error.  Thanks Dave.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-12-11 23:34:06 -05:00
commit 173d26f8d5
3 changed files with 36 additions and 18 deletions
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46
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -2693,17 +2693,16 @@ static int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp)
req.ver_upd = DRV_VER_UPD;
if (BNXT_PF(bp)) {
unsigned long vf_req_snif_bmap[4];
DECLARE_BITMAP(vf_req_snif_bmap, 256);
u32 *data = (u32 *)vf_req_snif_bmap;
memset(vf_req_snif_bmap, 0, 32);
memset(vf_req_snif_bmap, 0, sizeof(vf_req_snif_bmap));
for (i = 0; i < ARRAY_SIZE(bnxt_vf_req_snif); i++)
__set_bit(bnxt_vf_req_snif[i], vf_req_snif_bmap);
for (i = 0; i < 8; i++) {
req.vf_req_fwd[i] = cpu_to_le32(*data);
data++;
}
for (i = 0; i < 8; i++)
req.vf_req_fwd[i] = cpu_to_le32(data[i]);
req.enables |=
cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_VF_REQ_FWD);
}
@ -4603,7 +4602,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
bp->nge_port_cnt = 1;
}
bp->state = BNXT_STATE_OPEN;
set_bit(BNXT_STATE_OPEN, &bp->state);
bnxt_enable_int(bp);
/* Enable TX queues */
bnxt_tx_enable(bp);
@ -4679,8 +4678,10 @@ int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
/* Change device state to avoid TX queue wake up's */
bnxt_tx_disable(bp);
bp->state = BNXT_STATE_CLOSED;
cancel_work_sync(&bp->sp_task);
clear_bit(BNXT_STATE_OPEN, &bp->state);
smp_mb__after_atomic();
while (test_bit(BNXT_STATE_IN_SP_TASK, &bp->state))
msleep(20);
/* Flush rings before disabling interrupts */
bnxt_shutdown_nic(bp, irq_re_init);
@ -5030,8 +5031,10 @@ static void bnxt_dbg_dump_states(struct bnxt *bp)
static void bnxt_reset_task(struct bnxt *bp)
{
bnxt_dbg_dump_states(bp);
if (netif_running(bp->dev))
bnxt_tx_disable(bp); /* prevent tx timout again */
if (netif_running(bp->dev)) {
bnxt_close_nic(bp, false, false);
bnxt_open_nic(bp, false, false);
}
}
static void bnxt_tx_timeout(struct net_device *dev)
@ -5081,8 +5084,12 @@ static void bnxt_sp_task(struct work_struct *work)
struct bnxt *bp = container_of(work, struct bnxt, sp_task);
int rc;
if (bp->state != BNXT_STATE_OPEN)
set_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
smp_mb__after_atomic();
if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
return;
}
if (test_and_clear_bit(BNXT_RX_MASK_SP_EVENT, &bp->sp_event))
bnxt_cfg_rx_mode(bp);
@ -5106,8 +5113,19 @@ static void bnxt_sp_task(struct work_struct *work)
bnxt_hwrm_tunnel_dst_port_free(
bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN);
}
if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event))
if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event)) {
/* bnxt_reset_task() calls bnxt_close_nic() which waits
* for BNXT_STATE_IN_SP_TASK to clear.
*/
clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
rtnl_lock();
bnxt_reset_task(bp);
set_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
rtnl_unlock();
}
smp_mb__before_atomic();
clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
}
static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev)
@ -5186,7 +5204,7 @@ static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev)
bp->timer.function = bnxt_timer;
bp->current_interval = BNXT_TIMER_INTERVAL;
bp->state = BNXT_STATE_CLOSED;
clear_bit(BNXT_STATE_OPEN, &bp->state);
return 0;

6
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -925,9 +925,9 @@ struct bnxt {
struct timer_list timer;
int state;
#define BNXT_STATE_CLOSED 0
#define BNXT_STATE_OPEN 1
unsigned long state;
#define BNXT_STATE_OPEN 0
#define BNXT_STATE_IN_SP_TASK 1
struct bnxt_irq *irq_tbl;
u8 mac_addr[ETH_ALEN];

2
drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
View File

@ -21,7 +21,7 @@
#ifdef CONFIG_BNXT_SRIOV
static int bnxt_vf_ndo_prep(struct bnxt *bp, int vf_id)
{
if (bp->state != BNXT_STATE_OPEN) {
if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
netdev_err(bp->dev, "vf ndo called though PF is down\n");
return -EINVAL;
}