[net-next] octeontx2-af: Enable hardware timestamping for VFs

Message ID 20231011121551.1205211-1-saikrishnag@marvell.com
State New
Headers
Series [net-next] octeontx2-af: Enable hardware timestamping for VFs |

Commit Message

Sai Krishna Gajula Oct. 11, 2023, 12:15 p.m. UTC
  From: Subbaraya Sundeep <sbhatta@marvell.com>

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: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Sai Krishna <saikrishnag@marvell.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
  

Comments

Simon Horman Oct. 13, 2023, 3:29 p.m. UTC | #1
On Wed, Oct 11, 2023 at 05:45:51PM +0530, Sai Krishna wrote:
> From: Subbaraya Sundeep <sbhatta@marvell.com>
> 
> 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: Subbaraya Sundeep <sbhatta@marvell.com>
> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
> Signed-off-by: Sai Krishna <saikrishnag@marvell.com>

Thanks for addressing my review of v1.

Reviewed-by: Simon Horman <horms@kernel.org>
  
patchwork-bot+netdevbpf@kernel.org Oct. 14, 2023, 12:10 a.m. UTC | #2
Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Wed, 11 Oct 2023 17:45:51 +0530 you wrote:
> From: Subbaraya Sundeep <sbhatta@marvell.com>
> 
> 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: Subbaraya Sundeep <sbhatta@marvell.com>
> Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
> Signed-off-by: Sai Krishna <saikrishnag@marvell.com>
> 
> [...]

Here is the summary with links:
  - [net-next] octeontx2-af: Enable hardware timestamping for VFs
    https://git.kernel.org/netdev/net-next/c/5ee0a3bd1509

You are awesome, thank you!
  

Patch

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index f2b1edf1bb43..15a319684ed3 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
@@ -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);