netdev - [PATCH net-next v2 10/11] net: mana: Remove jumbo

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20260113212655.116122-11-alice.kernel@fastmail.im>
Date: Tue, 13 Jan 2026 23:26:54 +0200
From: Alice Mikityanska <alice.kernel@...tmail.im>
To: Daniel Borkmann <daniel@...earbox.net>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Xin Long <lucien.xin@...il.com>,
	Willem de Bruijn <willemdebruijn.kernel@...il.com>,
	David Ahern <dsahern@...nel.org>,
	Nikolay Aleksandrov <razor@...ckwall.org>
Cc: Shuah Khan <shuah@...nel.org>,
	Stanislav Fomichev <stfomichev@...il.com>,
	netdev@...r.kernel.org,
	Alice Mikityanska <alice@...valent.com>
Subject: [PATCH net-next v2 10/11] net: mana: Remove jumbo_remove step from TX path

From: Alice Mikityanska <alice@...valent.com>

Now that the kernel doesn't insert HBH for BIG TCP IPv6 packets, remove
unnecessary steps from the mana TX path, that used to check and remove
HBH.

Signed-off-by: Alice Mikityanska <alice@...valent.com>
---
 drivers/net/ethernet/microsoft/mana/mana_en.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
index 1ad154f9db1a..443beac73a06 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -322,9 +322,6 @@ netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	if (skb_cow_head(skb, MANA_HEADROOM))
 		goto tx_drop_count;
 
-	if (unlikely(ipv6_hopopt_jumbo_remove(skb)))
-		goto tx_drop_count;
-
 	txq = &apc->tx_qp[txq_idx].txq;
 	gdma_sq = txq->gdma_sq;
 	cq = &apc->tx_qp[txq_idx].tx_cq;
-- 
2.52.0