diff options
| author | Ariel Elior <Ariel.Elior@cavium.com> | 2018-11-28 18:16:03 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-11-30 13:45:13 -0800 |
| commit | a1b469b8b17f1573741eb0272349eca47d32462a (patch) | |
| tree | 225752196ce20e45ea67955698470718512f62ea /drivers/net/ethernet/qlogic/qed/qed_int.h | |
| parent | 36907cd5cd720c5a6d36670b49eba3b1f7f4d8fe (diff) | |
qed: Use the doorbell overflow recovery mechanism in case of doorbell overflow
In case of an attention from the doorbell queue block, analyze the HW
indications. In case of a doorbell overflow, execute a doorbell recovery.
Since there can be spurious indications (race conditions between multiple PFs),
schedule a periodic task for checking whether a doorbell overflow may have been
missed. After a set time with no indications, terminate the periodic task.
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_int.h')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_int.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.h b/drivers/net/ethernet/qlogic/qed/qed_int.h index 54b4ee0acfd7..d81a62ebd524 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_int.h +++ b/drivers/net/ethernet/qlogic/qed/qed_int.h @@ -190,6 +190,16 @@ void qed_int_get_num_sbs(struct qed_hwfn *p_hwfn, */ void qed_int_disable_post_isr_release(struct qed_dev *cdev); +/** + * @brief - Doorbell Recovery handler. + * Run DB_REAL_DEAL doorbell recovery in case of PF overflow + * (and flush DORQ if needed), otherwise run DB_REC_ONCE. + * + * @param p_hwfn + * @param p_ptt + */ +int qed_db_rec_handler(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); + #define QED_CAU_DEF_RX_TIMER_RES 0 #define QED_CAU_DEF_TX_TIMER_RES 0 |