Patch "i40e: Report MFS in decimal base instead of hex" has been added to the 6.8-stable tree

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This is a note to let you know that I've just added the patch titled

    i40e: Report MFS in decimal base instead of hex

to the 6.8-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     i40e-report-mfs-in-decimal-base-instead-of-hex.patch
and it can be found in the queue-6.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 7a2c300c9e11219d16f3d8b00d36db777367d7cd
Author: Erwan Velu <e.velu@xxxxxxxxxx>
Date:   Tue Apr 23 11:27:18 2024 -0700

    i40e: Report MFS in decimal base instead of hex
    
    [ Upstream commit ef3c313119ea448c22da10366faa26b5b4b1a18e ]
    
    If the MFS is set below the default (0x2600), a warning message is
    reported like the following :
    
            MFS for port 1 has been set below the default: 600
    
    This message is a bit confusing as the number shown here (600) is in
    fact an hexa number: 0x600 = 1536
    
    Without any explicit "0x" prefix, this message is read like the MFS is
    set to 600 bytes.
    
    MFS, as per MTUs, are usually expressed in decimal base.
    
    This commit reports both current and default MFS values in decimal
    so it's less confusing for end-users.
    
    A typical warning message looks like the following :
    
            MFS for port 1 (1536) has been set below the default (9728)
    
    Signed-off-by: Erwan Velu <e.velu@xxxxxxxxxx>
    Reviewed-by: Simon Horman <horms@xxxxxxxxxx>
    Tested-by: Tony Brelinski <tony.brelinski@xxxxxxxxx>
    Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
    Fixes: 3a2c6ced90e1 ("i40e: Add a check to see if MFS is set")
    Link: https://lore.kernel.org/r/20240423182723.740401-3-anthony.l.nguyen@xxxxxxxxx
    Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 4c38782d95516..f3c1df46f699c 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -16186,8 +16186,8 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	val = FIELD_GET(I40E_PRTGL_SAH_MFS_MASK,
 			rd32(&pf->hw, I40E_PRTGL_SAH));
 	if (val < MAX_FRAME_SIZE_DEFAULT)
-		dev_warn(&pdev->dev, "MFS for port %x has been set below the default: %x\n",
-			 pf->hw.port, val);
+		dev_warn(&pdev->dev, "MFS for port %x (%d) has been set below the default (%d)\n",
+			 pf->hw.port, val, MAX_FRAME_SIZE_DEFAULT);
 
 	/* Add a filter to drop all Flow control frames from any VSI from being
 	 * transmitted. By doing so we stop a malicious VF from sending out




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