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Mon, 9 Feb 2026 23:19:02 +0000 Content-Type: multipart/alternative; boundary="------------jbkwroUwnYJNufC6wFOnnmcQ" Message-ID: <684329d1-3da1-4871-aa02-0a4b5a1e9c28@intel.com> Date: Mon, 9 Feb 2026 23:18:59 +0000 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 28/35] net/intel: merge ring writes in simple Tx for ice and i40e To: Bruce Richardson , CC: Anatoly Burakov References: <20251219172548.2660777-1-bruce.richardson@intel.com> <20260209164538.1428499-1-bruce.richardson@intel.com> <20260209164538.1428499-29-bruce.richardson@intel.com> Content-Language: en-US From: "Medvedkin, Vladimir" In-Reply-To: <20260209164538.1428499-29-bruce.richardson@intel.com> X-ClientProxiedBy: DU2PR04CA0053.eurprd04.prod.outlook.com (2603:10a6:10:234::28) To IA4PR11MB9204.namprd11.prod.outlook.com (2603:10b6:208:56d::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA4PR11MB9204:EE_|CO1PR11MB4898:EE_ X-MS-Office365-Filtering-Correlation-Id: ca910a90-d907-47f1-a023-08de68319c8c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|376014|8096899003; 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charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit On 2/9/2026 4:45 PM, Bruce Richardson wrote: > The ice and i40e drivers have identical code for writing ring entries in > the simple Tx path, so merge in the descriptor writing code. > > Signed-off-by: Bruce Richardson > --- > drivers/net/intel/common/tx.h | 6 ++ > drivers/net/intel/common/tx_scalar.h | 60 ++++++++++++++ > drivers/net/intel/i40e/i40e_rxtx.c | 79 +------------------ > drivers/net/intel/i40e/i40e_rxtx.h | 3 - > .../net/intel/i40e/i40e_rxtx_vec_altivec.c | 4 +- > drivers/net/intel/i40e/i40e_rxtx_vec_avx2.c | 4 +- > drivers/net/intel/i40e/i40e_rxtx_vec_avx512.c | 4 +- > drivers/net/intel/i40e/i40e_rxtx_vec_neon.c | 4 +- > drivers/net/intel/ice/ice_rxtx.c | 69 +--------------- > drivers/net/intel/ice/ice_rxtx.h | 2 - > drivers/net/intel/ice/ice_rxtx_vec_avx2.c | 4 +- > drivers/net/intel/ice/ice_rxtx_vec_avx512.c | 4 +- > 12 files changed, 86 insertions(+), 157 deletions(-) > > diff --git a/drivers/net/intel/common/tx.h b/drivers/net/intel/common/tx.h > index 203938180b..ef6d543e7a 100644 > --- a/drivers/net/intel/common/tx.h > +++ b/drivers/net/intel/common/tx.h > @@ -63,6 +63,12 @@ enum ci_tx_l2tag1_field { > /* Common maximum data per TX descriptor */ > #define CI_MAX_DATA_PER_TXD (CI_TXD_QW1_TX_BUF_SZ_M >> CI_TXD_QW1_TX_BUF_SZ_S) > > +/* Common TX maximum burst size for chunked transmission in simple paths */ > +#define CI_TX_MAX_BURST 32 eventually it would be good to replace all the rest {IXGBE, I40E, ICE, IDPF_VPMD}_TX_MAX_BURST with this > Acked-by: Vladimir Medvedkin -- Regards, Vladimir --------------jbkwroUwnYJNufC6wFOnnmcQ Content-Type: text/html; 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On 2/9/2026 4:45 PM, Bruce Richardson wrote:
The ice and i40e drivers have identical code for writing ring entries in
the simple Tx path, so merge in the descriptor writing code.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 drivers/net/intel/common/tx.h                 |  6 ++
 drivers/net/intel/common/tx_scalar.h          | 60 ++++++++++++++
 drivers/net/intel/i40e/i40e_rxtx.c            | 79 +------------------
 drivers/net/intel/i40e/i40e_rxtx.h            |  3 -
 .../net/intel/i40e/i40e_rxtx_vec_altivec.c    |  4 +-
 drivers/net/intel/i40e/i40e_rxtx_vec_avx2.c   |  4 +-
 drivers/net/intel/i40e/i40e_rxtx_vec_avx512.c |  4 +-
 drivers/net/intel/i40e/i40e_rxtx_vec_neon.c   |  4 +-
 drivers/net/intel/ice/ice_rxtx.c              | 69 +---------------
 drivers/net/intel/ice/ice_rxtx.h              |  2 -
 drivers/net/intel/ice/ice_rxtx_vec_avx2.c     |  4 +-
 drivers/net/intel/ice/ice_rxtx_vec_avx512.c   |  4 +-
 12 files changed, 86 insertions(+), 157 deletions(-)

diff --git a/drivers/net/intel/common/tx.h b/drivers/net/intel/common/tx.h
index 203938180b..ef6d543e7a 100644
--- a/drivers/net/intel/common/tx.h
+++ b/drivers/net/intel/common/tx.h
@@ -63,6 +63,12 @@ enum ci_tx_l2tag1_field {
 /* Common maximum data per TX descriptor */
 #define CI_MAX_DATA_PER_TXD     (CI_TXD_QW1_TX_BUF_SZ_M >> CI_TXD_QW1_TX_BUF_SZ_S)
 
+/* Common TX maximum burst size for chunked transmission in simple paths */
+#define CI_TX_MAX_BURST 32
eventually it would be good to replace all the rest {IXGBE, I40E, ICE, IDPF_VPMD}_TX_MAX_BURST with this 

    

    <snip>

    

      



    

    Acked-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
    

      

    

    
-- 
Regards,
Vladimir

  


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