From: Vladimir Oltean <olteanv@gmail.com>
To: Romain Gantois <romain.gantois@bootlin.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>,
Jose Abreu <joabreu@synopsys.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Miquel Raynal <miquel.raynal@bootlin.com>,
Maxime Chevallier <maxime.chevallier@bootlin.com>,
Sylvain Girard <sylvain.girard@se.com>,
Andrew Lunn <andrew@lunn.ch>,
Pascal EBERHARD <pascal.eberhard@se.com>,
Richard Tresidder <rtresidd@electromag.com.au>,
Linus Walleij <linus.walleij@linaro.org>,
netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org, stable@vger.kernel.org
Subject: Re: [PATCH net v2 1/1] net: stmmac: Prevent DSA tags from breaking COE on stmmac
Date: Wed, 3 Jan 2024 22:10:21 +0200 [thread overview]
Message-ID: <20240103201021.2ixxndfqe622afnf@skbuf> (raw)
In-Reply-To: <20240102162718.268271-2-romain.gantois@bootlin.com> <20240102162718.268271-2-romain.gantois@bootlin.com>
On Tue, Jan 02, 2024 at 05:27:15PM +0100, Romain Gantois wrote:
> +/* Check if ethertype will trigger IP
> + * header checks/COE in hardware
> + */
> +static inline bool stmmac_has_ip_ethertype(struct sk_buff *skb)
> +{
> + __be16 proto = eth_header_parse_protocol(skb);
> +
> + return (proto == htons(ETH_P_IP)) || (proto == htons(ETH_P_IPV6)) ||
> + (proto == htons(ETH_P_8021Q));
proto == htons(ETH_P_8021Q) means that the skb has an IP EtherType?
What if an IP header does not follow after the VLAN header?
> +}
next prev parent reply other threads:[~2024-01-03 20:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-02 16:27 [PATCH net v2 0/1] Prevent DSA tags from breaking COE Romain Gantois
2024-01-02 16:27 ` [PATCH net v2 1/1] net: stmmac: Prevent DSA tags from breaking COE on stmmac Romain Gantois
2024-01-02 20:26 ` Florian Fainelli
2024-01-03 8:40 ` Romain Gantois
2024-01-02 20:27 ` Linus Walleij
2024-01-03 9:11 ` Romain Gantois
2024-01-03 16:42 ` Linus Walleij
2024-01-03 20:10 ` Vladimir Oltean [this message]
2024-01-03 22:25 ` Linus Walleij
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