octeontx2-af: SDP: fix receive link config
authorHariprasad Kelam <hkelam@marvell.com>
Thu, 17 Aug 2023 06:30:06 +0000 (12:00 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 30 Aug 2023 14:11:00 +0000 (16:11 +0200)
[ Upstream commit 05f3d5bc23524bed6f043dfe6b44da687584f9fb ]

On SDP interfaces, frame oversize and undersize errors are
observed as driver is not considering packet sizes of all
subscribers of the link before updating the link config.

This patch fixes the same.

Fixes: 9b7dd87ac071 ("octeontx2-af: Support to modify min/max allowed packet lengths")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20230817063006.10366-1-hkelam@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c

index 705325431dec399679836de7c40769a2ff5204ce..5541e284cd3f09352b8a1d2615d68712bf471130 100644 (file)
@@ -4005,9 +4005,10 @@ rx_frscfg:
        if (link < 0)
                return NIX_AF_ERR_RX_LINK_INVALID;
 
-       nix_find_link_frs(rvu, req, pcifunc);
 
 linkcfg:
+       nix_find_link_frs(rvu, req, pcifunc);
+
        cfg = rvu_read64(rvu, blkaddr, NIX_AF_RX_LINKX_CFG(link));
        cfg = (cfg & ~(0xFFFFULL << 16)) | ((u64)req->maxlen << 16);
        if (req->update_minlen)