From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Merav Sicron" Subject: [net-next patch 11/12] bnx2x: Add FCoE capabilities advertisement Date: Wed, 13 Jun 2012 15:44:23 +0300 Message-ID: <1339591464-10554-12-git-send-email-meravs@broadcom.com> References: <1339591464-10554-1-git-send-email-meravs@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: "Merav Sicron" , "Barak Witkowski" To: eilong@broadcom.com, davem@davemloft.net, netdev@vger.kernel.org Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:2749 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752722Ab2FMJm7 (ORCPT ); Wed, 13 Jun 2012 05:42:59 -0400 In-Reply-To: <1339591464-10554-1-git-send-email-meravs@broadcom.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Barak Witkowski 1. When FCoE offload driver is registered, copy its capabilities to the chip scratchpad. 2. Copy FCoE/iSCSI MAC addresses in aligned manner to chip scratchpad. Signed-off-by: Barak Witkowski Signed-off-by: Eilon Greenstein --- drivers/net/ethernet/broadcom/bnx2x/bnx2x.h | 1 + drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h | 41 +++++++++++++++++++++- drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 41 +++++++++++++++++++--- drivers/net/ethernet/broadcom/cnic_if.h | 6 ++++ 4 files changed, 83 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index 1f2e03a..47ec384 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -1332,6 +1332,7 @@ struct bnx2x { #define NO_ISCSI_FLAG (1 << 14) #define NO_FCOE_FLAG (1 << 15) #define BC_SUPPORTS_PFC_STATS (1 << 17) +#define BC_SUPPORTS_FCOE_FEATURES (1 << 19) #define USING_SINGLE_MSIX_FLAG (1 << 20) #define BC_SUPPORTS_DCBX_MSG_NON_PMF (1 << 21) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h index 6b77630..6bad5c4 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h @@ -1250,6 +1250,7 @@ struct drv_func_mb { #define REQ_BC_VER_4_VRFY_AFEX_SUPPORTED 0x00070002 #define REQ_BC_VER_4_SFP_TX_DISABLE_SUPPORTED 0x00070014 #define REQ_BC_VER_4_PFC_STATS_SUPPORTED 0x00070201 + #define REQ_BC_VER_4_FCOE_FEATURES 0x00070209 #define DRV_MSG_CODE_DCBX_ADMIN_PMF_MSG 0xb0000000 #define DRV_MSG_CODE_DCBX_PMF_DRV_OK 0xb2000000 @@ -2698,8 +2699,46 @@ struct host_func_stats { /* VIC definitions */ #define VICSTATST_UIF_INDEX 2 +/* FCoE capabilities required from the driver */ +struct fcoe_capabilities { + u32 capability1; + /* Maximum number of I/Os per connection */ + #define FCOE_IOS_PER_CONNECTION_MASK 0x0000ffff + #define FCOE_IOS_PER_CONNECTION_SHIFT 0 + /* Maximum number of Logins per port */ + #define FCOE_LOGINS_PER_PORT_MASK 0xffff0000 + #define FCOE_LOGINS_PER_PORT_SHIFT 16 + + u32 capability2; + /* Maximum number of exchanges */ + #define FCOE_NUMBER_OF_EXCHANGES_MASK 0x0000ffff + #define FCOE_NUMBER_OF_EXCHANGES_SHIFT 0 + /* Maximum NPIV WWN per port */ + #define FCOE_NPIV_WWN_PER_PORT_MASK 0xffff0000 + #define FCOE_NPIV_WWN_PER_PORT_SHIFT 16 + + u32 capability3; + /* Maximum number of targets supported */ + #define FCOE_TARGETS_SUPPORTED_MASK 0x0000ffff + #define FCOE_TARGETS_SUPPORTED_SHIFT 0 + /* Maximum number of outstanding commands across all connections */ + #define FCOE_OUTSTANDING_COMMANDS_MASK 0xffff0000 + #define FCOE_OUTSTANDING_COMMANDS_SHIFT 16 + + u32 capability4; + #define FCOE_CAPABILITY4_STATEFUL 0x00000001 + #define FCOE_CAPABILITY4_STATELESS 0x00000002 + #define FCOE_CAPABILITY4_CAPABILITIES_REPORTED_VALID 0x00000004 +}; + +struct glob_ncsi_oem_data { + u32 driver_version; + u32 unused[3]; + struct fcoe_capabilities fcoe_features[NVM_PATH_MAX][PORT_MAX]; +}; + /* current drv_info version */ -#define DRV_INFO_CUR_VER 1 +#define DRV_INFO_CUR_VER 2 /* drv_info op codes supported */ enum drv_info_opcode { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 26a8296..eb3e55a 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -74,6 +74,8 @@ #define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw" #define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw" +#define MAC_LEADING_ZERO_CNT (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN) + /* Time in jiffies before concluding the transmitter is hung */ #define TX_TIMEOUT (5*HZ) @@ -3060,7 +3062,8 @@ static void bnx2x_drv_info_fcoe_stat(struct bnx2x *bp) struct fcoe_stats_info *fcoe_stat = &bp->slowpath->drv_info_to_mcp.fcoe_stat; - memcpy(fcoe_stat->mac_local, bp->fip_mac, ETH_ALEN); + memcpy(fcoe_stat->mac_local + MAC_LEADING_ZERO_CNT, + bp->fip_mac, ETH_ALEN); fcoe_stat->qos_priority = app->traffic_type_priority[LLFC_TRAFFIC_TYPE_FCOE]; @@ -3151,7 +3154,8 @@ static void bnx2x_drv_info_iscsi_stat(struct bnx2x *bp) struct iscsi_stats_info *iscsi_stat = &bp->slowpath->drv_info_to_mcp.iscsi_stat; - memcpy(iscsi_stat->mac_local, bp->cnic_eth_dev.iscsi_mac, ETH_ALEN); + memcpy(iscsi_stat->mac_local + MAC_LEADING_ZERO_CNT, + bp->cnic_eth_dev.iscsi_mac, ETH_ALEN); iscsi_stat->qos_priority = app->traffic_type_priority[LLFC_TRAFFIC_TYPE_ISCSI]; @@ -9732,6 +9736,9 @@ static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) bp->flags |= (val >= REQ_BC_VER_4_PFC_STATS_SUPPORTED) ? BC_SUPPORTS_PFC_STATS : 0; + bp->flags |= (val >= REQ_BC_VER_4_FCOE_FEATURES) ? + BC_SUPPORTS_FCOE_FEATURES : 0; + bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ? BC_SUPPORTS_DCBX_MSG_NON_PMF : 0; boot_mode = SHMEM_RD(bp, @@ -12548,21 +12555,45 @@ static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl) break; } case DRV_CTL_ULP_REGISTER_CMD: { - int ulp_type = ctl->data.ulp_type; + int ulp_type = ctl->data.register_data.ulp_type; if (CHIP_IS_E3(bp)) { int idx = BP_FW_MB_IDX(bp); - u32 cap; + u32 cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]); + int path = BP_PATH(bp); + int port = BP_PORT(bp); + int i; + u32 scratch_offset; + u32 *host_addr; - cap = SHMEM2_RD(bp, drv_capabilities_flag[idx]); + /* first write capability to shmem2 */ if (ulp_type == CNIC_ULP_ISCSI) cap |= DRV_FLAGS_CAPABILITIES_LOADED_ISCSI; else if (ulp_type == CNIC_ULP_FCOE) cap |= DRV_FLAGS_CAPABILITIES_LOADED_FCOE; SHMEM2_WR(bp, drv_capabilities_flag[idx], cap); + + if ((ulp_type != CNIC_ULP_FCOE) || + (!SHMEM2_HAS(bp, ncsi_oem_data_addr)) || + (!(bp->flags & BC_SUPPORTS_FCOE_FEATURES))) + break; + + /* if reached here - should write fcoe capabilities */ + scratch_offset = SHMEM2_RD(bp, ncsi_oem_data_addr); + if (!scratch_offset) + break; + scratch_offset += offsetof(struct glob_ncsi_oem_data, + fcoe_features[path][port]); + host_addr = (u32 *) &(ctl->data.register_data. + fcoe_features); + for (i = 0; i < sizeof(struct fcoe_capabilities); + i += 4) + REG_WR(bp, scratch_offset + i, + *(host_addr + i/4)); } break; } + case DRV_CTL_ULP_UNREGISTER_CMD: { int ulp_type = ctl->data.ulp_type; diff --git a/drivers/net/ethernet/broadcom/cnic_if.h b/drivers/net/ethernet/broadcom/cnic_if.h index 289274e..82872e6 100644 --- a/drivers/net/ethernet/broadcom/cnic_if.h +++ b/drivers/net/ethernet/broadcom/cnic_if.h @@ -131,6 +131,11 @@ struct drv_ctl_l2_ring { u32 cid; }; +struct drv_ctl_register_data { + int ulp_type; + struct fcoe_capabilities fcoe_features; +}; + struct drv_ctl_info { int cmd; union { @@ -138,6 +143,7 @@ struct drv_ctl_info { struct drv_ctl_io io; struct drv_ctl_l2_ring ring; int ulp_type; + struct drv_ctl_register_data register_data; char bytes[MAX_DRV_CTL_DATA]; } data; }; -- 1.7.10