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| author | Heiner Kallweit <hkallweit1@gmail.com> | 2020-03-29 18:28:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-30 11:44:53 -0700 |
| commit | 4abc3c04810bab77ae5779adc9f6abb5dad4ac6f (patch) | |
| tree | 60c4128b61db00604e67e9a40aa137ee2a25c1b3 /drivers/net/ethernet/realtek/r8169_main.c | |
| parent | 3288dffc5dd82c81adfdaf857886d1e06389017b (diff) | |
| download | linux-4abc3c04810bab77ae5779adc9f6abb5dad4ac6f.tar.gz linux-4abc3c04810bab77ae5779adc9f6abb5dad4ac6f.tar.bz2 linux-4abc3c04810bab77ae5779adc9f6abb5dad4ac6f.zip | |
r8169: improve handling of TD_MSS_MAX
If the mtu is greater than TD_MSS_MAX, then TSO is disabled, see
rtl8169_fix_features(). Because mss is less than mtu, we can't have
the case mss > TD_MSS_MAX in the TSO path.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/realtek/r8169_main.c')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169_main.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 9971135a7ab5..5990147c0b2d 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -4106,7 +4106,7 @@ static void rtl8169_tso_csum_v1(struct sk_buff *skb, u32 *opts) if (mss) { opts[0] |= TD_LSO; - opts[0] |= min(mss, TD_MSS_MAX) << TD0_MSS_SHIFT; + opts[0] |= mss << TD0_MSS_SHIFT; } else if (skb->ip_summed == CHECKSUM_PARTIAL) { const struct iphdr *ip = ip_hdr(skb); @@ -4145,7 +4145,7 @@ static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp, } opts[0] |= transport_offset << GTTCPHO_SHIFT; - opts[1] |= min(mss, TD_MSS_MAX) << TD1_MSS_SHIFT; + opts[1] |= mss << TD1_MSS_SHIFT; } else if (skb->ip_summed == CHECKSUM_PARTIAL) { u8 ip_protocol; |