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(p200300EA8F43420055F1E404698F0358.dip0.t-ipconnect.de. [2003:ea:8f43:4200:55f1:e404:698f:358]) by smtp.googlemail.com with ESMTPSA id l8sm98353947wrg.40.2019.07.26.12.51.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Jul 2019 12:51:52 -0700 (PDT) Subject: [PATCH net-next 1/4] r8169: set GSO size and segment limits From: Heiner Kallweit To: Realtek linux nic maintainers , David Miller Cc: "netdev@vger.kernel.org" References: Message-ID: <0091edd1-6e55-37c4-4551-ac3a9f48c0e9@gmail.com> Date: Fri, 26 Jul 2019 21:48:32 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Set GSO max size and max segment number as in the vendor driver. Signed-off-by: Heiner Kallweit --- drivers/net/ethernet/realtek/r8169_main.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 5c337234b..52a9e2d2f 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -569,6 +569,11 @@ enum rtl_rx_desc_bit { #define RsvdMask 0x3fffc000 +#define RTL_GSO_MAX_SIZE_V1 32000 +#define RTL_GSO_MAX_SEGS_V1 24 +#define RTL_GSO_MAX_SIZE_V2 64000 +#define RTL_GSO_MAX_SEGS_V2 64 + struct TxDesc { __le32 opts1; __le32 opts2; @@ -6919,8 +6924,14 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) /* Disallow toggling */ dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX; - if (rtl_chip_supports_csum_v2(tp)) + if (rtl_chip_supports_csum_v2(tp)) { dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; + dev->gso_max_size = RTL_GSO_MAX_SIZE_V2; + dev->gso_max_segs = RTL_GSO_MAX_SEGS_V2; + } else { + dev->gso_max_size = RTL_GSO_MAX_SIZE_V1; + dev->gso_max_segs = RTL_GSO_MAX_SEGS_V1; + } dev->hw_features |= NETIF_F_RXALL; dev->hw_features |= NETIF_F_RXFCS; -- 2.22.0