Commit 5ee0a3bd authored by Subbaraya Sundeep's avatar Subbaraya Sundeep Committed by Jakub Kicinski
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octeontx2-af: Enable hardware timestamping for VFs 



Currently for VFs, mailbox returns ENODEV error when hardware timestamping
enable is requested. This patch fixes this issue. Modified this patch to
return EPERM error for the PF/VFs which are not attached to CGX/RPM.

Signed-off-by: default avatarSubbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: default avatarSunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: default avatarSai Krishna <saikrishnag@marvell.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20231011121551.1205211-1-saikrishnag@marvell.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent c47ed22c

drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c

+3 −4
Original line number Diff line number Diff line
@@ -756,12 +756,11 @@ static int rvu_cgx_ptp_rx_cfg(struct rvu *rvu, u16 pcifunc, bool enable) 
	if (!is_mac_feature_supported(rvu, pf, RVU_LMAC_FEAT_PTP))

		return 0;



	/* This msg is expected only from PFs that are mapped to CGX LMACs,

	/* This msg is expected only from PF/VFs that are mapped to CGX/RPM LMACs,

	 * if received from other PF/VF simply ACK, nothing to do.

	 */

	if ((pcifunc & RVU_PFVF_FUNC_MASK) ||

	    !is_pf_cgxmapped(rvu, pf))

		return -ENODEV;

	if (!is_pf_cgxmapped(rvu, pf))

		return -EPERM;



	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);

	cgxd = rvu_cgx_pdata(cgx_id, rvu);