diff options
| author | Ingo Molnar <mingo@kernel.org> | 2019-02-04 08:45:42 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-02-04 08:45:42 +0100 |
| commit | 98cb621081705e2244ef6c265ff8a9f2208c7e2a (patch) | |
| tree | 6205be47a83d54d3e35e049b67973244120f8bd6 /drivers/net/ethernet/qlogic/qed/qed_vf.c | |
| parent | b844ff366f06a2bcecfbd053b4d4a472e670dec8 (diff) | |
| parent | 9dff0aa95a324e262ffb03f425d00e4751f3294e (diff) | |
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_vf.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_vf.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.c b/drivers/net/ethernet/qlogic/qed/qed_vf.c index b6cccf44bf40..5dda547772c1 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_vf.c +++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c @@ -261,6 +261,7 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp; struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; struct vf_pf_resc_request *p_resc; + u8 retry_cnt = VF_ACQUIRE_THRESH; bool resources_acquired = false; struct vfpf_acquire_tlv *req; int rc = 0, attempts = 0; @@ -314,6 +315,15 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) /* send acquire request */ rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); + + /* Re-try acquire in case of vf-pf hw channel timeout */ + if (retry_cnt && rc == -EBUSY) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF retrying to acquire due to VPC timeout\n"); + retry_cnt--; + continue; + } + if (rc) goto exit; |