[PATCH net-next 05/11] qed: Add aux. function translating sb_id -> igu_sb_id
flat view
STALE3425d
From: Yuval Mintz <hidden>
Date: 2017-06-01 12:30:12
Subsystem:
networking drivers, qlogic ql4xxx ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
An additional step for relaxing the IGU order assumption, we now add an auxiliary function that can be used for finding the HW status block that's associated with a given MSI-x vector. Signed-off-by: Yuval Mintz <redacted> --- drivers/net/ethernet/qlogic/qed/qed_int.c | 31 +++++++++++++++++++++---------- 1 file changed, 21 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.c b/drivers/net/ethernet/qlogic/qed/qed_int.c
index 92744cf..3307978 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_int.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_int.c@@ -1412,15 +1412,26 @@ void qed_int_sb_setup(struct qed_hwfn *p_hwfn, sb_info->igu_sb_id, 0, 0); } -/** - * @brief qed_get_igu_sb_id - given a sw sb_id return the - * igu_sb_id - * - * @param p_hwfn - * @param sb_id - * - * @return u16 - */ +static u16 qed_get_pf_igu_sb_id(struct qed_hwfn *p_hwfn, u16 vector_id) +{ + struct qed_igu_block *p_block; + u16 igu_id; + + for (igu_id = 0; igu_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev); + igu_id++) { + p_block = &p_hwfn->hw_info.p_igu_info->entry[igu_id]; + + if (!(p_block->status & QED_IGU_STATUS_VALID) || + !p_block->is_pf || + p_block->vector_number != vector_id) + continue; + + return igu_id; + } + + return QED_SB_INVALID_IDX; +} + static u16 qed_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id) { u16 igu_sb_id;
@@ -1429,7 +1440,7 @@ static u16 qed_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id) if (sb_id == QED_SP_SB_ID) igu_sb_id = p_hwfn->hw_info.p_igu_info->igu_dsb_id; else if (IS_PF(p_hwfn->cdev)) - igu_sb_id = sb_id + p_hwfn->hw_info.p_igu_info->igu_base_sb; + igu_sb_id = qed_get_pf_igu_sb_id(p_hwfn, sb_id + 1); else igu_sb_id = qed_vf_get_igu_sb_id(p_hwfn, sb_id);
--
2.9.4