diff options
| author | Subbaraya Sundeep <sbhatta@marvell.com> | 2025-07-20 22:06:36 +0530 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2025-07-22 15:36:39 +0200 |
| commit | 83d17aba92ca11bfb745e4f068debc955d02d229 (patch) | |
| tree | e6a111d3b01097fc06fe9b000888775d9567dc03 | |
| parent | dd47fc6769340536d0d451bfe0793440f630a73f (diff) | |
Octeontx2-af: Disable stale DMAC filters
During driver initialization disable stale DMAC filters
in CGX/RPM set by firmware.
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250720163638.1560323-3-hkelam@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c index 846ee2b9edf1..cd6c5229d0ed 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c @@ -1704,9 +1704,11 @@ unsigned long cgx_get_lmac_bmap(void *cgxd) static int cgx_lmac_init(struct cgx *cgx) { + u8 max_dmac_filters; struct lmac *lmac; u64 lmac_list; int i, err; + int filter; /* lmac_list specifies which lmacs are enabled * when bit n is set to 1, LMAC[n] is enabled @@ -1745,6 +1747,8 @@ static int cgx_lmac_init(struct cgx *cgx) cgx->mac_ops->dmac_filter_count / cgx->lmac_count; + max_dmac_filters = lmac->mac_to_index_bmap.max; + err = rvu_alloc_bitmap(&lmac->mac_to_index_bmap); if (err) goto err_name_free; @@ -1774,6 +1778,15 @@ static int cgx_lmac_init(struct cgx *cgx) set_bit(lmac->lmac_id, &cgx->lmac_bmap); cgx->mac_ops->mac_pause_frm_config(cgx, lmac->lmac_id, true); lmac->lmac_type = cgx->mac_ops->get_lmac_type(cgx, lmac->lmac_id); + + /* Disable stale DMAC filters for sane state */ + for (filter = 0; filter < max_dmac_filters; filter++) + cgx_lmac_addr_del(cgx->cgx_id, lmac->lmac_id, filter); + + /* As cgx_lmac_addr_del does not clear entry for index 0 + * so it needs to be done explicitly + */ + cgx_lmac_addr_reset(cgx->cgx_id, lmac->lmac_id); } /* Start X2P reset on given MAC block */ |