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bnxt_en: Call bnxt_ulp_stop()/bnxt_ulp_start() during error recovery. 

Notify the RDMA driver by calling the bnxt_ulp_stop()/bnxt_ulp_start()
hooks during error recovery.  The current ULP IRQ start/stop
sequence in error recovery (which is insufficient) is replaced with the
full reset sequence when we call bnxt_ulp_stop()/bnxt_ulp_start().

Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasundhara Volam 2019-10-31 01:07:50 -04:00 committed by David S. Miller
parent aa46dffff4
commit f3a6d206c2
1 changed files with 14 additions and 9 deletions
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23
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@ -8762,6 +8762,8 @@ static int bnxt_hwrm_if_change(struct bnxt *bp, bool up)
}
if (resc_reinit || fw_reset) {
if (fw_reset) {
if (!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))
bnxt_ulp_stop(bp);
rc = bnxt_fw_init_one(bp);
if (rc) {
set_bit(BNXT_STATE_ABORT_ERR, &bp->state);
@ -9224,13 +9226,16 @@ static int bnxt_open(struct net_device *dev)
if (rc) {
bnxt_hwrm_if_change(bp, false);
} else {
if (test_and_clear_bit(BNXT_STATE_FW_RESET_DET, &bp->state) &&
BNXT_PF(bp)) {
struct bnxt_pf_info *pf = &bp->pf;
int n = pf->active_vfs;
if (test_and_clear_bit(BNXT_STATE_FW_RESET_DET, &bp->state)) {
if (BNXT_PF(bp)) {
struct bnxt_pf_info *pf = &bp->pf;
int n = pf->active_vfs;
if (n)
bnxt_cfg_hw_sriov(bp, &n, true);
if (n)
bnxt_cfg_hw_sriov(bp, &n, true);
}
if (!test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))
bnxt_ulp_start(bp, 0);
}
bnxt_hwmon_open(bp);
}
@ -10051,8 +10056,8 @@ static void bnxt_reset(struct bnxt *bp, bool silent)
static void bnxt_fw_reset_close(struct bnxt *bp)
{
bnxt_ulp_stop(bp);
__bnxt_close_nic(bp, true, false);
bnxt_ulp_irq_stop(bp);
bnxt_clear_int_mode(bp);
bnxt_hwrm_func_drv_unrgtr(bp);
bnxt_free_ctx_mem(bp);
@ -10734,13 +10739,13 @@ static void bnxt_fw_reset_task(struct work_struct *work)
clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state);
dev_close(bp->dev);
}
bnxt_ulp_irq_restart(bp, rc);
rtnl_unlock();
bp->fw_reset_state = 0;
/* Make sure fw_reset_state is 0 before clearing the flag */
smp_mb__before_atomic();
clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state);
bnxt_ulp_start(bp, rc);
rtnl_unlock();
break;
}
return;