diff options
| author | Denis Bolotin | 2018-08-07 14:48:08 +0200 |
|---|---|---|
| committer | David S. Miller | 2018-08-07 22:22:10 +0200 |
| commit | 2a1cb1bf439f6703f82f61d0424b41f42544e3ff (patch) | |
| tree | 08ee6959e32b3c2967daaf99b19e7823bc8e29f2 /drivers/net/ethernet/qlogic/qed/qed_dcbx.c | |
| parent | RDS: IB: fix 'passing zero to ERR_PTR()' warning (diff) | |
| download | kernel-qcow2-linux-2a1cb1bf439f6703f82f61d0424b41f42544e3ff.tar.gz kernel-qcow2-linux-2a1cb1bf439f6703f82f61d0424b41f42544e3ff.tar.xz kernel-qcow2-linux-2a1cb1bf439f6703f82f61d0424b41f42544e3ff.zip | |
qed: Add DCBX API - qed_dcbx_get_priority_tc()
The API receives a priority and looks for the TC it is mapped to in the
operational DCBX configuration. The API returns QED_DCBX_DEFAULT_TC (0)
when DCBX is disabled.
Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: Denis Bolotin <denis.bolotin@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_dcbx.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_dcbx.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c index d02e774c8d66..86307b90d835 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c @@ -989,6 +989,24 @@ void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src, qed_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH); } +u8 qed_dcbx_get_priority_tc(struct qed_hwfn *p_hwfn, u8 pri) +{ + struct qed_dcbx_get *dcbx_info = &p_hwfn->p_dcbx_info->get; + + if (pri >= QED_MAX_PFC_PRIORITIES) { + DP_ERR(p_hwfn, "Invalid priority %d\n", pri); + return QED_DCBX_DEFAULT_TC; + } + + if (!dcbx_info->operational.valid) { + DP_VERBOSE(p_hwfn, QED_MSG_DCB, + "Dcbx parameters not available\n"); + return QED_DCBX_DEFAULT_TC; + } + + return dcbx_info->operational.params.ets_pri_tc_tbl[pri]; +} + #ifdef CONFIG_DCB static int qed_dcbx_query_params(struct qed_hwfn *p_hwfn, struct qed_dcbx_get *p_get, |