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| author | Rahul Verma <Rahul.Verma@cavium.com> | 2017-07-26 06:07:14 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-27 00:05:22 -0700 |
| commit | bf5a94bfe26a9fcd4af91ae6bccd4f3d600d2262 (patch) | |
| tree | 10444bba0c94198edc3ffd48125b30ceec0d5fd0 /drivers/net/ethernet/qlogic/qed/qed_dev_api.h | |
| parent | 477f2d1460a636abd08f03eafabe0c51366fa5de (diff) | |
| download | blackbird-op-linux-bf5a94bfe26a9fcd4af91ae6bccd4f3d600d2262.tar.gz blackbird-op-linux-bf5a94bfe26a9fcd4af91ae6bccd4f3d600d2262.zip | |
qed: Read per queue coalesce from hardware
Retrieve the actual coalesce value from hardware for every Rx/Tx
queue, instead of Rx/Tx coalesce value cached during set coalesce.
Signed-off-by: Rahul Verma <Rahul.Verma@cavium.com>
Signed-off-by: Yuval Mintz <yuval.mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_dev_api.h')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_dev_api.h | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev_api.h b/drivers/net/ethernet/qlogic/qed/qed_dev_api.h index e6b3c83c5db8..defdda1ffaa2 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev_api.h +++ b/drivers/net/ethernet/qlogic/qed/qed_dev_api.h @@ -443,13 +443,25 @@ int qed_final_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 id, bool is_vf); /** - * @brief qed_set_queue_coalesce - Configure coalesce parameters for Rx or - * Tx queue. We can configure coalescing to up to 511, but on - * varying accuracy [the bigger the value the less accurate] up to a mistake - * of 3usec for the highest values. - * While the API allows setting coalescing per-qid, all queues sharing a SB - * should be in same range [i.e., either 0-0x7f, 0x80-0xff or 0x100-0x1ff] - * otherwise configuration would break. + * @brief qed_get_queue_coalesce - Retrieve coalesce value for a given queue. + * + * @param p_hwfn + * @param p_coal - store coalesce value read from the hardware. + * @param p_handle + * + * @return int + **/ +int qed_get_queue_coalesce(struct qed_hwfn *p_hwfn, u16 *coal, void *handle); + +/** + * @brief qed_set_queue_coalesce - Configure coalesce parameters for Rx and + * Tx queue. The fact that we can configure coalescing to up to 511, but on + * varying accuracy [the bigger the value the less accurate] up to a mistake + * of 3usec for the highest values. + * While the API allows setting coalescing per-qid, all queues sharing a SB + * should be in same range [i.e., either 0-0x7f, 0x80-0xff or 0x100-0x1ff] + * otherwise configuration would break. + * * * @param rx_coal - Rx Coalesce value in micro seconds. * @param tx_coal - TX Coalesce value in micro seconds. |
