Message ID | 20201030014910.2738809-10-vladimir.oltean@nxp.com (mailing list archive) |
---|---|
State | Not Applicable |
Delegated to: | Netdev Maintainers |
Headers | show
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Fri, 30 Oct 2020 01:49:36 +0000 From: Vladimir Oltean <vladimir.oltean@nxp.com> To: netdev@vger.kernel.org Cc: andrew@lunn.ch, f.fainelli@gmail.com, vivien.didelot@gmail.com, kuba@kernel.org, Christian Eggers <ceggers@arri.de>, Kurt Kanzenbach <kurt@linutronix.de> Subject: [PATCH v2 net-next 09/12] net: dsa: tag_brcm: let DSA core deal with TX reallocation Date: Fri, 30 Oct 2020 03:49:07 +0200 Message-Id: <20201030014910.2738809-10-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201030014910.2738809-1-vladimir.oltean@nxp.com> References: <20201030014910.2738809-1-vladimir.oltean@nxp.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [188.25.2.177] X-ClientProxiedBy: AM0PR03CA0096.eurprd03.prod.outlook.com (2603:10a6:208:69::37) To VI1PR04MB5696.eurprd04.prod.outlook.com (2603:10a6:803:e7::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (188.25.2.177) by AM0PR03CA0096.eurprd03.prod.outlook.com (2603:10a6:208:69::37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3499.18 via Frontend Transport; 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Generic TX reallocation for DSA
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expand
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diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c index ad72dff8d524..e934dace3922 100644 --- a/net/dsa/tag_brcm.c +++ b/net/dsa/tag_brcm.c @@ -66,9 +66,6 @@ static struct sk_buff *brcm_tag_xmit_ll(struct sk_buff *skb, u16 queue = skb_get_queue_mapping(skb); u8 *brcm_tag; - if (skb_cow_head(skb, BRCM_TAG_LEN) < 0) - return NULL; - /* The Ethernet switch we are interfaced with needs packets to be at * least 64 bytes (including FCS) otherwise they will be discarded when * they enter the switch port logic. When Broadcom tags are enabled, we
Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. Cc: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> --- Changes in v2: None. net/dsa/tag_brcm.c | 3 --- 1 file changed, 3 deletions(-)