Re: [PATCH 6.6.y] bnxt_en: Fix receive ring space parameters when XDP is active

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

✅ All tests passed successfully. No issues detected.
No action required from the submitter.

The upstream commit SHA1 provided is correct: 3051a77a09dfe3022aa012071346937fdf059033

WARNING: Author mismatch between patch and upstream commit:
Backport author: <jianqi.ren.cn@windriver.com>
Commit author: Shravya KN<shravya.k-n@broadcom.com>

Status in newer kernel trees:
6.13.y | Present (exact SHA1)
6.12.y | Present (different SHA1: 84353386762a)

Note: The patch differs from the upstream commit:
---
1:  3051a77a09dfe ! 1:  beb28b174e3b5 bnxt_en: Fix receive ring space parameters when XDP is active
    @@ Metadata
      ## Commit message ##
         bnxt_en: Fix receive ring space parameters when XDP is active
     
    +    [ Upstream commit 3051a77a09dfe3022aa012071346937fdf059033 ]
    +
         The MTU setting at the time an XDP multi-buffer is attached
         determines whether the aggregation ring will be used and the
         rx_skb_func handler.  This is done in bnxt_set_rx_skb_mode().
    @@ Commit message
         Signed-off-by: Shravya KN <shravya.k-n@broadcom.com>
         Signed-off-by: Michael Chan <michael.chan@broadcom.com>
         Signed-off-by: Paolo Abeni <pabeni@redhat.com>
    +    Signed-off-by: Jianqi Ren <jianqi.ren.cn@windriver.com>
    +    Signed-off-by: He Zhe <zhe.he@windriver.com>
     
      ## drivers/net/ethernet/broadcom/bnxt/bnxt.c ##
     @@ drivers/net/ethernet/broadcom/bnxt/bnxt.c: int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode)
    @@ drivers/net/ethernet/broadcom/bnxt/bnxt.c: int bnxt_set_rx_skb_mode(struct bnxt
     @@ drivers/net/ethernet/broadcom/bnxt/bnxt.c: static int bnxt_change_mtu(struct net_device *dev, int new_mtu)
      		bnxt_close_nic(bp, true, false);
      
    - 	WRITE_ONCE(dev->mtu, new_mtu);
    + 	dev->mtu = new_mtu;
     +
     +	/* MTU change may change the AGG ring settings if an XDP multi-buffer
     +	 * program is attached.  We need to set the AGG rings settings and
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-6.6.y        |  Success    |  Success   |