[PATCH net-next] octeontx2-af: return VWQE timer delay in NIX HW info
From: <hidden>
Date: 2026-07-15 07:31:43
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marvell octeontx2 rvu admin function driver, networking drivers, the rest · Maintainers:
Sunil Goutham, Ratheesh Kannoth, Geetha sowjanya, Subbaraya Sundeep, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Shijith Thotton <sthotton@marvell.com> Update the NIX_GET_HW_INFO mailbox message to return the VWQE timer delay, which is used for vector packet wait time calculation. Repurpose the existing rsvs16 reserved field in struct nix_hw_info to vwqe_delay and populate it by reading the NIX_AF_VWQE_TIMER register (applicable for non-OTX2 silicon). Signed-off-by: Shijith Thotton <sthotton@marvell.com> Signed-off-by: Nitin Shetty J <redacted> --- drivers/net/ethernet/marvell/octeontx2/af/mbox.h | 2 +- drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index f87cdf1b971d..253dfee9646e 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h@@ -1463,7 +1463,7 @@ struct nix_inline_ipsec_lf_cfg { struct nix_hw_info { struct mbox_msghdr hdr; - u16 rsvs16; + u16 vwqe_delay; u16 max_mtu; u16 min_mtu; u32 rpm_dwrr_mtu;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 78667a0977c0..c5bddd2ad920 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c@@ -3936,6 +3936,11 @@ int rvu_mbox_handler_nix_get_hw_info(struct rvu *rvu, struct msg_req *req, if (blkaddr < 0) return NIX_AF_ERR_AF_LF_INVALID; + rsp->vwqe_delay = 0; + if (!is_rvu_otx2(rvu)) + rsp->vwqe_delay = rvu_read64(rvu, blkaddr, NIX_AF_VWQE_TIMER) & + GENMASK_ULL(9, 0); + if (is_lbk_vf(rvu, pcifunc)) rvu_get_lbk_link_max_frs(rvu, &rsp->max_mtu); else
--
2.48.1