diff options
| author | Denis Bolotin <denis.bolotin@cavium.com> | 2018-08-07 15:48:08 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-08-07 23:22:10 +0300 |
| commit | 2a1cb1bf439f6703f82f61d0424b41f42544e3ff (patch) | |
| tree | 08ee6959e32b3c2967daaf99b19e7823bc8e29f2 | |
| parent | 5941923da29e84bc9e2a1abb2c14fffaf8d71e2f (diff) | |
| download | linux-2a1cb1bf439f6703f82f61d0424b41f42544e3ff.tar.xz | |
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>
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_dcbx.c | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_dcbx.h | 3 |
2 files changed, 21 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, diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.h b/drivers/net/ethernet/qlogic/qed/qed_dcbx.h index 5feb90e049e0..a4d688c04e18 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.h +++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.h @@ -123,4 +123,7 @@ void qed_dcbx_info_free(struct qed_hwfn *p_hwfn); void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src, struct pf_update_ramrod_data *p_dest); +#define QED_DCBX_DEFAULT_TC 0 + +u8 qed_dcbx_get_priority_tc(struct qed_hwfn *p_hwfn, u8 pri); #endif |