netdev - linux-next: manual merge of the net-next tree with the net tree

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Date:   Thu, 18 Mar 2021 11:22:26 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Shannon Nelson <snelson@...sando.io>
Subject: linux-next: manual merge of the net-next tree with the net tree

Hi all,

Today's linux-next merge of the net-next tree got a conflict in:

  drivers/net/ethernet/pensando/ionic/ionic_txrx.c

between commit:

  d2c21422323b ("ionic: linearize tso skb with too many frags")

from the net tree and commit:

  f37bc3462e80 ("ionic: optimize fastpath struct usage")

from the net-next tree.

I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging.  You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.

-- 
Cheers,
Stephen Rothwell

diff --cc drivers/net/ethernet/pensando/ionic/ionic_txrx.c
index 4087311f7082,03e00a6c413a..000000000000
--- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
@@@ -1077,19 -1082,16 +1082,18 @@@ static int ionic_tx(struct ionic_queue 
  
  static int ionic_tx_descs_needed(struct ionic_queue *q, struct sk_buff *skb)
  {
- 	int sg_elems = q->lif->qtype_info[IONIC_QTYPE_TXQ].max_sg_elems;
  	struct ionic_tx_stats *stats = q_to_tx_stats(q);
 +	int ndescs;
  	int err;
  
 -	/* If TSO, need roundup(skb->len/mss) descs */
 +	/* Each desc is mss long max, so a descriptor for each gso_seg */
  	if (skb_is_gso(skb))
 -		return (skb->len / skb_shinfo(skb)->gso_size) + 1;
 +		ndescs = skb_shinfo(skb)->gso_segs;
 +	else
 +		ndescs = 1;
  
- 	if (skb_shinfo(skb)->nr_frags <= sg_elems)
 -	/* If non-TSO, just need 1 desc and nr_frags sg elems */
+ 	if (skb_shinfo(skb)->nr_frags <= q->max_sg_elems)
 -		return 1;
 +		return ndescs;
  
  	/* Too many frags, so linearize */
  	err = skb_linearize(skb);

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