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(p200300ea8f235700c06e0b26fa7c0aab.dip0.t-ipconnect.de. [2003:ea:8f23:5700:c06e:b26:fa7c:aab]) by smtp.googlemail.com with ESMTPSA id v66sm1065833wme.13.2020.06.17.13.56.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 17 Jun 2020 13:56:49 -0700 (PDT) Subject: [PATCH net-next 8/8] r8169: allow setting irq coalescing if link is down From: Heiner Kallweit To: Realtek linux nic maintainers , David Miller , Jakub Kicinski Cc: "netdev@vger.kernel.org" References: Message-ID: Date: Wed, 17 Jun 2020 22:56:27 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org So far we can not configure irq coalescing when link is down. Allow the user to do this, and assume that he wants to configure irq coalescing for highest speed. Otherwise the irq rate is low enough anyway. Signed-off-by: Heiner Kallweit --- drivers/net/ethernet/realtek/r8169_main.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index d55bf2cd2..a3c4187d9 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -1731,16 +1731,16 @@ struct rtl_coalesce_info { #define COALESCE_DELAY(d) { (d), 8 * (d), 16 * (d), 32 * (d) } static const struct rtl_coalesce_info rtl_coalesce_info_8169[] = { - { SPEED_10, COALESCE_DELAY(40960) }, - { SPEED_100, COALESCE_DELAY(2560) }, { SPEED_1000, COALESCE_DELAY(320) }, + { SPEED_100, COALESCE_DELAY(2560) }, + { SPEED_10, COALESCE_DELAY(40960) }, { 0 }, }; static const struct rtl_coalesce_info rtl_coalesce_info_8168_8136[] = { - { SPEED_10, COALESCE_DELAY(40960) }, - { SPEED_100, COALESCE_DELAY(2560) }, { SPEED_1000, COALESCE_DELAY(5000) }, + { SPEED_100, COALESCE_DELAY(2560) }, + { SPEED_10, COALESCE_DELAY(40960) }, { 0 }, }; #undef COALESCE_DELAY @@ -1756,6 +1756,10 @@ rtl_coalesce_info(struct rtl8169_private *tp) else ci = rtl_coalesce_info_8168_8136; + /* if speed is unknown assume highest one */ + if (tp->phydev->speed == SPEED_UNKNOWN) + return ci; + for (; ci->speed; ci++) { if (tp->phydev->speed == ci->speed) return ci; -- 2.27.0