netdev - [PATCH RFC net-next 10/17] net: mana: Remove jumbo

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Message-ID: <20250617144017.82931-11-maxim@isovalent.com>
Date: Tue, 17 Jun 2025 16:40:09 +0200
From: Maxim Mikityanskiy <maxtram95@...il.com>
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>,
	Willem de Bruijn <willemdebruijn.kernel@...il.com>,
	David Ahern <dsahern@...nel.org>,
	Nikolay Aleksandrov <razor@...ckwall.org>
Cc: netdev@...r.kernel.org,
	Maxim Mikityanskiy <maxim@...valent.com>
Subject: [PATCH RFC net-next 10/17] net: mana: Remove jumbo_remove step from TX path

From: Maxim Mikityanskiy <maxim@...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: Maxim Mikityanskiy <maxim@...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 e68b8190bb7a..f91bdcb00b51 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -262,9 +262,6 @@ 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;
-- 
2.49.0