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Miller" , Sasha Levin Subject: [PATCH 4.19 15/38] net: dec: de2104x: Increase receive ring size for Tulip Date: Mon, 5 Oct 2020 17:26:32 +0200 Message-Id: <20201005142109.403385087@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201005142108.650363140@linuxfoundation.org> References: <20201005142108.650363140@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lucy Yan [ Upstream commit ee460417d254d941dfea5fb7cff841f589643992 ] Increase Rx ring size to address issue where hardware is reaching the receive work limit. Before: [ 102.223342] de2104x 0000:17:00.0 eth0: rx work limit reached [ 102.245695] de2104x 0000:17:00.0 eth0: rx work limit reached [ 102.251387] de2104x 0000:17:00.0 eth0: rx work limit reached [ 102.267444] de2104x 0000:17:00.0 eth0: rx work limit reached Signed-off-by: Lucy Yan Reviewed-by: Moritz Fischer Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/dec/tulip/de2104x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/dec/tulip/de2104x.c b/drivers/net/ethernet/dec/tulip/de2104x.c index 13430f75496cc..b312cd9bce169 100644 --- a/drivers/net/ethernet/dec/tulip/de2104x.c +++ b/drivers/net/ethernet/dec/tulip/de2104x.c @@ -91,7 +91,7 @@ MODULE_PARM_DESC (rx_copybreak, "de2104x Breakpoint at which Rx packets are copi #define DSL CONFIG_DE2104X_DSL #endif -#define DE_RX_RING_SIZE 64 +#define DE_RX_RING_SIZE 128 #define DE_TX_RING_SIZE 64 #define DE_RING_BYTES \ ((sizeof(struct de_desc) * DE_RX_RING_SIZE) + \ -- 2.25.1