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authorGeetha sowjanya <gakula@marvell.com>2023-11-25 22:04:02 +0530
committerPaolo Abeni <pabeni@redhat.com>2023-11-28 11:57:53 +0100
commit51597219e0cd5157401d4d0ccb5daa4d9961676f (patch)
treee20ea8e9387d6e408ae903cda7f86ac4f5f5d3b7
parente54d628a2721bfbb002c19f6e8ca6746cec7640f (diff)
downloadlinux-51597219e0cd5157401d4d0ccb5daa4d9961676f.tar.gz
octeontx2-pf: Fix adding mbox work queue entry when num_vfs > 64
When more than 64 VFs are enabled for a PF then mbox communication between VF and PF is not working as mbox work queueing for few VFs are skipped due to wrong calculation of VF numbers. Fixes: d424b6c02415 ("octeontx2-pf: Enable SRIOV and added VF mbox handling") Signed-off-by: Geetha sowjanya <gakula@marvell.com> Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com> Link: https://lore.kernel.org/r/1700930042-5400-1-git-send-email-sbhatta@marvell.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index ba95ac91327467..6d56fc19184557 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -566,7 +566,9 @@ static irqreturn_t otx2_pfvf_mbox_intr_handler(int irq, void *pf_irq)
otx2_write64(pf, RVU_PF_VFPF_MBOX_INTX(1), intr);
otx2_queue_work(mbox, pf->mbox_pfvf_wq, 64, vfs, intr,
TYPE_PFVF);
- vfs -= 64;
+ if (intr)
+ trace_otx2_msg_interrupt(mbox->mbox.pdev, "VF(s) to PF", intr);
+ vfs = 64;
}
intr = otx2_read64(pf, RVU_PF_VFPF_MBOX_INTX(0));
@@ -574,7 +576,8 @@ static irqreturn_t otx2_pfvf_mbox_intr_handler(int irq, void *pf_irq)
otx2_queue_work(mbox, pf->mbox_pfvf_wq, 0, vfs, intr, TYPE_PFVF);
- trace_otx2_msg_interrupt(mbox->mbox.pdev, "VF(s) to PF", intr);
+ if (intr)
+ trace_otx2_msg_interrupt(mbox->mbox.pdev, "VF(s) to PF", intr);
return IRQ_HANDLED;
}