From patchwork Wed Feb 12 16:19:56 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuval Mintz X-Patchwork-Id: 319679 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 280552C00A5 for ; Thu, 13 Feb 2014 03:21:33 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752779AbaBLQUT (ORCPT ); Wed, 12 Feb 2014 11:20:19 -0500 Received: from mail-gw2-out.broadcom.com ([216.31.210.63]:40595 "EHLO mail-gw2-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752641AbaBLQUP (ORCPT ); Wed, 12 Feb 2014 11:20:15 -0500 X-IronPort-AV: E=Sophos;i="4.95,832,1384329600"; d="scan'208";a="14316400" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw2-out.broadcom.com with ESMTP; 12 Feb 2014 08:34:37 -0800 Received: from IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.3.174.1; Wed, 12 Feb 2014 08:20:15 -0800 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP2.corp.ad.broadcom.com (10.9.207.52) with Microsoft SMTP Server id 14.3.174.1; Wed, 12 Feb 2014 08:20:15 -0800 Received: from lb-tlvb-yuvalmin.il.broadcom.com (lb-tlvb-yuvalmin.il.broadcom.com [10.185.6.94]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id DCC0FEEBB7; Wed, 12 Feb 2014 08:20:13 -0800 (PST) From: Yuval Mintz To: , CC: , Yuval Mintz Subject: [PATCH net-next 8/9] bnx2x: (semantic) revise scheduling of sp_rtnl Date: Wed, 12 Feb 2014 18:19:56 +0200 Message-ID: <1392221997-25525-9-git-send-email-yuvalmin@broadcom.com> X-Mailer: git-send-email 1.8.1.227.g44fe835 In-Reply-To: <1392221997-25525-1-git-send-email-yuvalmin@broadcom.com> References: <1392221997-25525-1-git-send-email-yuvalmin@broadcom.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This removes the various points where the driver use bit operations in order to schedule the sp_rtnl_task from the code, adding a single utility function that does it instead. Signed-off-by: Yuval Mintz Signed-off-by: Ariel Elior --- drivers/net/ethernet/broadcom/bnx2x/bnx2x.h | 2 +- drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 18 +++++++++++---- drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h | 3 +++ drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c | 8 ++----- drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 28 +++++++---------------- drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c | 17 ++++---------- 6 files changed, 32 insertions(+), 44 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index c871d19..21fdd1b 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -1402,7 +1402,7 @@ struct bnx2x_fw_stats_data { }; /* Public slow path states */ -enum { +enum sp_rtnl_flag { BNX2X_SP_RTNL_SETUP_TC, BNX2X_SP_RTNL_TX_TIMEOUT, BNX2X_SP_RTNL_FAN_FAILURE, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 9d7419e..9ded3db 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -4773,12 +4773,8 @@ void bnx2x_tx_timeout(struct net_device *dev) bnx2x_panic(); #endif - smp_mb__before_clear_bit(); - set_bit(BNX2X_SP_RTNL_TX_TIMEOUT, &bp->sp_rtnl_state); - smp_mb__after_clear_bit(); - /* This allows the netif to be shutdown gracefully before resetting */ - schedule_delayed_work(&bp->sp_rtnl_task, 0); + bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_TIMEOUT, 0); } int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state) @@ -4906,3 +4902,15 @@ void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u8 fw_sb_id, disable = disable ? 1 : (usec ? 0 : 1); storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable); } + +void bnx2x_schedule_sp_rtnl(struct bnx2x *bp, enum sp_rtnl_flag flag, + u32 verbose) +{ + smp_mb__before_clear_bit(); + set_bit(flag, &bp->sp_rtnl_state); + smp_mb__after_clear_bit(); + DP((BNX2X_MSG_SP | verbose), "Scheduling sp_rtnl task [Flag: %d]\n", + flag); + schedule_delayed_work(&bp->sp_rtnl_task, 0); +} +EXPORT_SYMBOL(bnx2x_schedule_sp_rtnl); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index 17d1689..b2edcae 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -1324,4 +1324,7 @@ void bnx2x_fill_fw_str(struct bnx2x *bp, char *buf, size_t buf_len); int bnx2x_drain_tx_queues(struct bnx2x *bp); void bnx2x_squeeze_objects(struct bnx2x *bp); +void bnx2x_schedule_sp_rtnl(struct bnx2x*, enum sp_rtnl_flag, + u32 verbose); + #endif /* BNX2X_CMN_H */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c index fdace20..97ea542 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c @@ -710,8 +710,7 @@ static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp) * as we are handling an attention on a work queue which must be * flushed at some rtnl-locked contexts (e.g. if down) */ - if (!test_and_set_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state)) - schedule_delayed_work(&bp->sp_rtnl_task, 0); + bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_SETUP_TC, 0); } void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) @@ -764,10 +763,7 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) if (IS_MF(bp)) bnx2x_link_sync_notify(bp); - set_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state); - - schedule_delayed_work(&bp->sp_rtnl_task, 0); - + bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_STOP, 0); return; } case BNX2X_DCBX_STATE_TX_PAUSED: diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 8ff5326..0132a7c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -3908,10 +3908,7 @@ static void bnx2x_fan_failure(struct bnx2x *bp) * This is due to some boards consuming sufficient power when driver is * up to overheat if fan fails. */ - smp_mb__before_clear_bit(); - set_bit(BNX2X_SP_RTNL_FAN_FAILURE, &bp->sp_rtnl_state); - smp_mb__after_clear_bit(); - schedule_delayed_work(&bp->sp_rtnl_task, 0); + bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_FAN_FAILURE, 0); } static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn) @@ -5303,6 +5300,8 @@ static void bnx2x_eq_int(struct bnx2x *bp) break; } else { + int cmd = BNX2X_SP_RTNL_AFEX_F_UPDATE; + DP(BNX2X_MSG_SP | BNX2X_MSG_MCP, "AFEX: ramrod completed FUNCTION_UPDATE\n"); f_obj->complete_cmd(bp, f_obj, @@ -5312,12 +5311,7 @@ static void bnx2x_eq_int(struct bnx2x *bp) * sp_rtnl task as all Queue SP operations * should run under rtnl_lock. */ - smp_mb__before_clear_bit(); - set_bit(BNX2X_SP_RTNL_AFEX_F_UPDATE, - &bp->sp_rtnl_state); - smp_mb__after_clear_bit(); - - schedule_delayed_work(&bp->sp_rtnl_task, 0); + bnx2x_schedule_sp_rtnl(bp, cmd, 0); } goto next_spqe; @@ -12082,11 +12076,8 @@ static void bnx2x_set_rx_mode(struct net_device *dev) return; } else { /* Schedule an SP task to handle rest of change */ - DP(NETIF_MSG_IFUP, "Scheduling an Rx mode change\n"); - smp_mb__before_clear_bit(); - set_bit(BNX2X_SP_RTNL_RX_MODE, &bp->sp_rtnl_state); - smp_mb__after_clear_bit(); - schedule_delayed_work(&bp->sp_rtnl_task, 0); + bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_RX_MODE, + NETIF_MSG_IFUP); } } @@ -12119,11 +12110,8 @@ void bnx2x_set_rx_mode_inner(struct bnx2x *bp) /* configuring mcast to a vf involves sleeping (when we * wait for the pf's response). */ - smp_mb__before_clear_bit(); - set_bit(BNX2X_SP_RTNL_VFPF_MCAST, - &bp->sp_rtnl_state); - smp_mb__after_clear_bit(); - schedule_delayed_work(&bp->sp_rtnl_task, 0); + bnx2x_schedule_sp_rtnl(bp, + BNX2X_SP_RTNL_VFPF_MCAST, 0); } } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 8af71d3..fbeec77 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -983,11 +983,8 @@ op_err: op_done: case BNX2X_VFOP_QSETUP_DONE: vf->cfg_flags |= VF_CFG_VLAN; - smp_mb__before_clear_bit(); - set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN, - &bp->sp_rtnl_state); - smp_mb__after_clear_bit(); - schedule_delayed_work(&bp->sp_rtnl_task, 0); + bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_HYPERVISOR_VLAN, + BNX2X_MSG_IOV); bnx2x_vfop_end(bp, vf, vfop); return; default: @@ -3812,13 +3809,9 @@ void bnx2x_timer_sriov(struct bnx2x *bp) bnx2x_sample_bulletin(bp); /* if channel is down we need to self destruct */ - if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) { - smp_mb__before_clear_bit(); - set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN, - &bp->sp_rtnl_state); - smp_mb__after_clear_bit(); - schedule_delayed_work(&bp->sp_rtnl_task, 0); - } + if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) + bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN, + BNX2X_MSG_IOV); } void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)