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Date:   Wed, 17 Jun 2020 17:03:03 -0700
From:   Jakub Kicinski <>
To:     Eric Dumazet <>
Cc:     "David S . Miller" <>,
        netdev <>,
        Eric Dumazet <>,
        Willem de Bruijn <>,
        Antoine Tenart <>
Subject: Re: [PATCH net-next 4/5] net: tso: cache transport header length

On Wed, 17 Jun 2020 11:48:18 -0700 Eric Dumazet wrote:
> Add tlen field into struct tso_t, and change tso_start()
> to return skb_transport_offset(skb) + tso->tlen
> This removes from callers the need to use tcp_hdrlen(skb) and
> will ease UDP segmentation offload addition.
> Signed-off-by: Eric Dumazet <>

drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c: In function otx2_sq_append_tso:
drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c:631:6: warning: hdr_len is used uninitialized in this function [-Wuninitialized]
 631 |  if (otx2_dma_map_tso_skb(pfvf, sq, skb, first_sqe, hdr_len)) {
     |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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