From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Chan" Subject: [PATCH 3/7 net-next] tg3: Separate coalescing setup for rx and tx Date: Wed, 26 Sep 2012 15:32:45 -0700 Message-ID: <1348698769-760-3-git-send-email-mchan@broadcom.com> References: <1348698769-760-1-git-send-email-mchan@broadcom.com> <1348698769-760-2-git-send-email-mchan@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: davem@davemloft.net Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:4329 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752697Ab2IZWTg (ORCPT ); Wed, 26 Sep 2012 18:19:36 -0400 In-Reply-To: <1348698769-760-2-git-send-email-mchan@broadcom.com> Sender: netdev-owner@vger.kernel.org List-ID: since the number of rings can be different. Reviewed-by: Nithin Nayak Sujir Reviewed-by: Benjamin Li Signed-off-by: Michael Chan --- drivers/net/ethernet/broadcom/tg3.c | 74 +++++++++++++++++++++-------------- 1 files changed, 45 insertions(+), 29 deletions(-) diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 330356b..ddf260c 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -8331,9 +8331,10 @@ static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr, nic_addr); } -static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec) + +static void tg3_coal_tx_init(struct tg3 *tp, struct ethtool_coalesce *ec) { - int i; + int i = 0; if (!tg3_flag(tp, ENABLE_TSS)) { tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs); @@ -8343,31 +8344,43 @@ static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec) tw32(HOSTCC_TXCOL_TICKS, 0); tw32(HOSTCC_TXMAX_FRAMES, 0); tw32(HOSTCC_TXCOAL_MAXF_INT, 0); + + for (; i < tp->txq_cnt; i++) { + u32 reg; + + reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18; + tw32(reg, ec->tx_coalesce_usecs); + reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18; + tw32(reg, ec->tx_max_coalesced_frames); + reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18; + tw32(reg, ec->tx_max_coalesced_frames_irq); + } + } + + for (; i < tp->irq_max - 1; i++) { + tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0); + tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0); + tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0); } +} + +static void tg3_coal_rx_init(struct tg3 *tp, struct ethtool_coalesce *ec) +{ + int i = 0; + u32 limit = tp->rxq_cnt; if (!tg3_flag(tp, ENABLE_RSS)) { tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs); tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames); tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq); + limit--; } else { tw32(HOSTCC_RXCOL_TICKS, 0); tw32(HOSTCC_RXMAX_FRAMES, 0); tw32(HOSTCC_RXCOAL_MAXF_INT, 0); } - if (!tg3_flag(tp, 5705_PLUS)) { - u32 val = ec->stats_block_coalesce_usecs; - - tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq); - tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq); - - if (!netif_carrier_ok(tp->dev)) - val = 0; - - tw32(HOSTCC_STAT_COAL_TICKS, val); - } - - for (i = 0; i < tp->irq_cnt - 1; i++) { + for (; i < limit; i++) { u32 reg; reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18; @@ -8376,27 +8389,30 @@ static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec) tw32(reg, ec->rx_max_coalesced_frames); reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18; tw32(reg, ec->rx_max_coalesced_frames_irq); - - if (tg3_flag(tp, ENABLE_TSS)) { - reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18; - tw32(reg, ec->tx_coalesce_usecs); - reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18; - tw32(reg, ec->tx_max_coalesced_frames); - reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18; - tw32(reg, ec->tx_max_coalesced_frames_irq); - } } for (; i < tp->irq_max - 1; i++) { tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0); tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0); tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0); + } +} - if (tg3_flag(tp, ENABLE_TSS)) { - tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0); - tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0); - tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0); - } +static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec) +{ + tg3_coal_tx_init(tp, ec); + tg3_coal_rx_init(tp, ec); + + if (!tg3_flag(tp, 5705_PLUS)) { + u32 val = ec->stats_block_coalesce_usecs; + + tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq); + tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq); + + if (!netif_carrier_ok(tp->dev)) + val = 0; + + tw32(HOSTCC_STAT_COAL_TICKS, val); } } -- 1.7.1