Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754590AbXKPTZS (ORCPT ); Fri, 16 Nov 2007 14:25:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759071AbXKPTWY (ORCPT ); Fri, 16 Nov 2007 14:22:24 -0500 Received: from stargate.chelsio.com ([12.22.49.110]:15565 "EHLO stargate.chelsio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932581AbXKPTWV (ORCPT ); Fri, 16 Nov 2007 14:22:21 -0500 From: Divy Le Ray Subject: [PATCH 8/9] cxgb3 - HW set up updates To: jeff@garzik.org Cc: davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, swise@opengridcomputing.com, wenxiong@us.ibm.com Date: Fri, 16 Nov 2007 11:22:16 -0800 Message-ID: <20071116192216.31150.50259.stgit@speedy5> User-Agent: StGIT/0.12 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5509 Lines: 157 From: Divy Le Ray Disable PEX errors. The HW generates false positives. Update RSS hash function to a symmetric algorithm. Update T3C HW support Signed-off-by: Divy Le Ray --- drivers/net/cxgb3/cxgb3_main.c | 2 +- drivers/net/cxgb3/regs.h | 22 ++++++++++++++++++++++ drivers/net/cxgb3/t3_hw.c | 24 +++++++++++++++++++++--- 3 files changed, 44 insertions(+), 4 deletions(-) diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index b4ee18b..f24a27b 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -336,7 +336,7 @@ static void setup_rss(struct adapter *adap) t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN | F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN | - V_RRCPLCPUSIZE(6), cpus, rspq_map); + V_RRCPLCPUSIZE(6) | F_HASHTOEPLITZ, cpus, rspq_map); } static void init_napi(struct adapter *adap) diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h index 5e1bc0d..a7d5f65 100644 --- a/drivers/net/cxgb3/regs.h +++ b/drivers/net/cxgb3/regs.h @@ -965,6 +965,12 @@ #define V_LOCKTID(x) ((x) << S_LOCKTID) #define F_LOCKTID V_LOCKTID(1U) +#define S_TABLELATENCYDELTA 0 +#define M_TABLELATENCYDELTA 0xf +#define V_TABLELATENCYDELTA(x) ((x) << S_TABLELATENCYDELTA) +#define G_TABLELATENCYDELTA(x) \ + (((x) >> S_TABLELATENCYDELTA) & M_TABLELATENCYDELTA) + #define A_TP_PC_CONFIG2 0x34c #define S_CHDRAFULL 4 @@ -1146,6 +1152,10 @@ #define V_RQFEEDBACKENABLE(x) ((x) << S_RQFEEDBACKENABLE) #define F_RQFEEDBACKENABLE V_RQFEEDBACKENABLE(1U) +#define S_HASHTOEPLITZ 2 +#define V_HASHTOEPLITZ(x) ((x) << S_HASHTOEPLITZ) +#define F_HASHTOEPLITZ V_HASHTOEPLITZ(1U) + #define S_DISABLE 0 #define A_TP_TM_PIO_ADDR 0x418 @@ -1198,6 +1208,14 @@ #define A_TP_INT_ENABLE 0x470 +#define S_FLMTXFLSTEMPTY 30 +#define V_FLMTXFLSTEMPTY(x) ((x) << S_FLMTXFLSTEMPTY) +#define F_FLMTXFLSTEMPTY V_FLMTXFLSTEMPTY(1U) + +#define S_FLMRXFLSTEMPTY 29 +#define V_FLMRXFLSTEMPTY(x) ((x) << S_FLMRXFLSTEMPTY) +#define F_FLMRXFLSTEMPTY V_FLMRXFLSTEMPTY(1U) + #define A_TP_INT_CAUSE 0x474 #define A_TP_TX_MOD_Q1_Q0_RATE_LIMIT 0x8 @@ -1291,6 +1309,10 @@ #define A_ULPTX_CONFIG 0x580 +#define S_CFG_CQE_SOP_MASK 1 +#define V_CFG_CQE_SOP_MASK(x) ((x) << S_CFG_CQE_SOP_MASK) +#define F_CFG_CQE_SOP_MASK V_CFG_CQE_SOP_MASK(1U) + #define S_CFG_RR_ARB 0 #define V_CFG_RR_ARB(x) ((x) << S_CFG_RR_ARB) #define F_CFG_RR_ARB V_CFG_RR_ARB(1U) diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index 4b6087a..b8ae12d 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -1280,7 +1280,7 @@ static int t3_handle_intr_status(struct adapter *adapter, unsigned int reg, #define PCIE_INTR_MASK (F_UNXSPLCPLERRR | F_UNXSPLCPLERRC | F_PCIE_PIOPARERR |\ F_PCIE_WFPARERR | F_PCIE_RFPARERR | F_PCIE_CFPARERR | \ /* V_PCIE_MSIXPARERR(M_PCIE_MSIXPARERR) | */ \ - V_BISTERR(M_BISTERR) | F_PEXERR) + V_BISTERR(M_BISTERR)) #define ULPRX_INTR_MASK F_PARERR #define ULPTX_INTR_MASK 0 #define CPLSW_INTR_MASK (F_TP_FRAMING_ERROR | \ @@ -1383,8 +1383,16 @@ static void tp_intr_handler(struct adapter *adapter) {0} }; + static struct intr_info tp_intr_info_t3c[] = { + { 0x1ffffff, "TP parity error", -1, 1 }, + { F_FLMRXFLSTEMPTY, "TP out of Rx pages", -1, 1 }, + { F_FLMTXFLSTEMPTY, "TP out of Tx pages", -1, 1 }, + { 0 } + }; + if (t3_handle_intr_status(adapter, A_TP_INT_CAUSE, 0xffffffff, - tp_intr_info, NULL)) + adapter->params.rev < T3_REV_C ? + tp_intr_info : tp_intr_info_t3c, NULL)) t3_fatal_err(adapter); } @@ -1734,7 +1742,6 @@ void t3_intr_enable(struct adapter *adapter) MC7_INTR_MASK}, {A_MC5_DB_INT_ENABLE, MC5_INTR_MASK}, {A_ULPRX_INT_ENABLE, ULPRX_INTR_MASK}, - {A_TP_INT_ENABLE, 0x3bfffff}, {A_PM1_TX_INT_ENABLE, PMTX_INTR_MASK}, {A_PM1_RX_INT_ENABLE, PMRX_INTR_MASK}, {A_CIM_HOST_INT_ENABLE, CIM_INTR_MASK}, @@ -1744,6 +1751,8 @@ void t3_intr_enable(struct adapter *adapter) adapter->slow_intr_mask = PL_INTR_MASK; t3_write_regs(adapter, intr_en_avp, ARRAY_SIZE(intr_en_avp), 0); + t3_write_reg(adapter, A_TP_INT_ENABLE, + adapter->params.rev >= T3_REV_C ? 0x2bfffff : 0x3bfffff); if (adapter->params.rev > 0) { t3_write_reg(adapter, A_CPL_INTR_ENABLE, @@ -2509,6 +2518,11 @@ static void tp_config(struct adapter *adap, const struct tp_params *p) } else t3_set_reg_field(adap, A_TP_PARA_REG3, 0, F_TXPACEFIXED); + if (adap->params.rev == T3_REV_C) + t3_set_reg_field(adap, A_TP_PC_CONFIG, + V_TABLELATENCYDELTA(M_TABLELATENCYDELTA), + V_TABLELATENCYDELTA(4)); + t3_write_reg(adap, A_TP_TX_MOD_QUEUE_WEIGHT1, 0); t3_write_reg(adap, A_TP_TX_MOD_QUEUE_WEIGHT0, 0); t3_write_reg(adap, A_TP_MOD_CHANNEL_WEIGHT, 0); @@ -3246,6 +3260,10 @@ int t3_init_hw(struct adapter *adapter, u32 fw_params) else t3_set_reg_field(adapter, A_PCIX_CFG, 0, F_CLIDECEN); + if (adapter->params.rev == T3_REV_C) + t3_set_reg_field(adapter, A_ULPTX_CONFIG, 0, + F_CFG_CQE_SOP_MASK); + t3_write_reg(adapter, A_PM1_RX_CFG, 0xffffffff); t3_write_reg(adapter, A_PM1_RX_MODE, 0); t3_write_reg(adapter, A_PM1_TX_MODE, 0); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/