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([2a01:4b00:bd21:4f00:7cc6:d3ca:494:116c]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47d7f65d9f0sm409975245e9.12.2026.01.13.02.46.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Jan 2026 02:46:46 -0800 (PST) Message-ID: Date: Tue, 13 Jan 2026 10:46:41 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v8 5/9] eth: bnxt: store rx buffer size per queue To: Paolo Abeni , netdev@vger.kernel.org Cc: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Jonathan Corbet , Michael Chan , Pavan Chebbi , Andrew Lunn , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Joshua Washington , Harshitha Ramamurthy , Saeed Mahameed , Tariq Toukan , Mark Bloch , Leon Romanovsky , Alexander Duyck , Ilias Apalodimas , Shuah Khan , Willem de Bruijn , Ankit Garg , Tim Hostetler , Alok Tiwari , Ziwei Xiao , John Fraker , Praveen Kaligineedi , Mohsin Bashir , Joe Damato , Mina Almasry , Dimitri Daskalakis , Stanislav Fomichev , Kuniyuki Iwashima , Samiullah Khawaja , Ahmed Zaki , Alexander Lobakin , David Wei , Yue Haibing , Haiyue Wang , Jens Axboe , Simon Horman , Vishwanath Seshagiri , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kselftest@vger.kernel.org, dtatulea@nvidia.com, io-uring@vger.kernel.org References: <017b07c8-ed86-4ed1-9793-c150ded68097@redhat.com> Content-Language: en-US From: Pavel Begunkov In-Reply-To: <017b07c8-ed86-4ed1-9793-c150ded68097@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/13/26 10:19, Paolo Abeni wrote: > On 1/9/26 12:28 PM, Pavel Begunkov wrote: >> @@ -4478,7 +4485,7 @@ static void bnxt_init_one_rx_agg_ring_rxbd(struct bnxt *bp, >> ring = &rxr->rx_agg_ring_struct; >> ring->fw_ring_id = INVALID_HW_RING_ID; >> if ((bp->flags & BNXT_FLAG_AGG_RINGS)) { >> - type = ((u32)BNXT_RX_PAGE_SIZE << RX_BD_LEN_SHIFT) | >> + type = ((u32)(u32)rxr->rx_page_size << RX_BD_LEN_SHIFT) | > > Minor nit: duplicate cast above. oops, missed that, thanks > >> diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h >> index f5f07a7e6b29..4c880a9fba92 100644 >> --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h >> +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h >> @@ -1107,6 +1107,7 @@ struct bnxt_rx_ring_info { >> >> unsigned long *rx_agg_bmap; >> u16 rx_agg_bmap_size; >> + u16 rx_page_size; > > Any special reason for using u16 above? AFAICS using u32 will not change > the struct size on 64 bit arches, and using u32 will likely yield better > code. IIRC bnxt doesn't support more than 2^16-1, but it doesn't really matter, I can convert it to u32. -- Pavel Begunkov