From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8DFF0746F for ; Sun, 17 Sep 2023 20:38:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EFC4FC433C9; Sun, 17 Sep 2023 20:38:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694983116; bh=Zt4lMUNeZxIuyvj5K0/U08LqQkL5pCbAj0ltr7lqdSc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T4sPxp0BI9fycWzCzT3/D54zdvGqT6lk+LbY3tLDUcAoxNePPUzDJxhbbc4j2oPee NGa4U48gFA0QJRh33+9P6v85cEBBhZNOyHDHB56taWz4xFXUUU0wBDWKcNS4SrdDNz sZfDI+Ddmw+FbaiFHLx0CoJW+tJJlc7gv04dl82Y= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Olga Zaborska , Tony Nguyen , Sasha Levin , Pucha Himasekhar Reddy Subject: [PATCH 5.15 448/511] igb: Change IGB_MIN to allow set rx/tx value between 64 and 80 Date: Sun, 17 Sep 2023 21:14:35 +0200 Message-ID: <20230917191124.567724044@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230917191113.831992765@linuxfoundation.org> References: <20230917191113.831992765@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Olga Zaborska [ Upstream commit 6319685bdc8ad5310890add907b7c42f89302886 ] Change the minimum value of RX/TX descriptors to 64 to enable setting the rx/tx value between 64 and 80. All igb devices can use as low as 64 descriptors. This change will unify igb with other drivers. Based on commit 7b1be1987c1e ("e1000e: lower ring minimum size to 64") Fixes: 9d5c824399de ("igb: PCI-Express 82575 Gigabit Ethernet driver") Signed-off-by: Olga Zaborska Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/igb/igb.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 015b781441149..a2b759531cb7b 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -34,11 +34,11 @@ struct igb_adapter; /* TX/RX descriptor defines */ #define IGB_DEFAULT_TXD 256 #define IGB_DEFAULT_TX_WORK 128 -#define IGB_MIN_TXD 80 +#define IGB_MIN_TXD 64 #define IGB_MAX_TXD 4096 #define IGB_DEFAULT_RXD 256 -#define IGB_MIN_RXD 80 +#define IGB_MIN_RXD 64 #define IGB_MAX_RXD 4096 #define IGB_DEFAULT_ITR 3 /* dynamic */ -- 2.40.1