diff options
author | Jonathan Corbet <corbet@lwn.net> | 2018-04-27 17:13:20 -0600 |
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committer | Jonathan Corbet <corbet@lwn.net> | 2018-04-27 17:13:20 -0600 |
commit | ccf2b067948a8f90fc3d7990c57283e7e404d004 (patch) | |
tree | 298e69b6f3e1eef45ac50ba68abe3dd175c4dc8c /drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | |
parent | e27a20f104673f8ada70c5d32430a7f4c577fe95 (diff) | |
parent | 6d08b06e67cd117f6992c46611dfb4ce267cd71e (diff) |
Merge tag 'v4.17-rc2' into docs-next
Merge -rc2 to pick up the changes to
Documentation/core-api/kernel-api.rst that hit mainline via the
networking tree. In their absence, subsequent patches cannot be
applied.
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 9a16931ce39d..b65e2d144698 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3495,8 +3495,13 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) /* ACS is set; GMAC core strips PAD/FCS for IEEE 802.3 * Type frames (LLC/LLC-SNAP) + * + * llc_snap is never checked in GMAC >= 4, so this ACS + * feature is always disabled and packets need to be + * stripped manually. */ - if (unlikely(status != llc_snap)) + if (unlikely(priv->synopsys_id >= DWMAC_CORE_4_00) || + unlikely(status != llc_snap)) frame_len -= ETH_FCS_LEN; if (netif_msg_rx_status(priv)) { |