diff options
author | Yaniv Rosner <yanivr@broadcom.com> | 2011-01-31 04:21:55 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2011-01-31 13:22:41 -0800 |
commit | 2cf7acf98ef8327588e49bf74b7653ca4a063f09 (patch) | |
tree | bf1126b115a62b5d171ba9f5d9d3b8d5f437d038 /drivers | |
parent | cd2be89b8ed7a50b781fae43a43f20d6ef1a137b (diff) |
bnx2x: Set comments according to preferred Linux style
This patch contains cosmetic changes only of restyling comments according to Linux coding standard, and add comment for get_emac_base function.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/bnx2x/bnx2x_link.c | 651 |
1 files changed, 364 insertions, 287 deletions
diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c index 3be2ce03804..9fadcdbe411 100644 --- a/drivers/net/bnx2x/bnx2x_link.c +++ b/drivers/net/bnx2x/bnx2x_link.c @@ -217,7 +217,7 @@ void bnx2x_ets_disabled(struct link_params *params) DP(NETIF_MSG_LINK, "ETS disabled configuration\n"); - /** + /* * mapping between entry priority to client number (0,1,2 -debug and * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) * 3bits client num. @@ -226,7 +226,7 @@ void bnx2x_ets_disabled(struct link_params *params) */ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688); - /** + /* * Bitmap of 5bits length. Each bit specifies whether the entry behaves * as strict. Bits 0,1,2 - debug and management entries, 3 - * COS0 entry, 4 - COS1 entry. @@ -238,12 +238,12 @@ void bnx2x_ets_disabled(struct link_params *params) REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); /* defines which entries (clients) are subjected to WFQ arbitration */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0); - /** - * For strict priority entries defines the number of consecutive - * slots for the highest priority. - */ + /* + * For strict priority entries defines the number of consecutive + * slots for the highest priority. + */ REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); - /** + /* * mapping between the CREDIT_WEIGHT registers and actual client * numbers */ @@ -256,7 +256,7 @@ void bnx2x_ets_disabled(struct link_params *params) REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0); /* ETS mode disable */ REG_WR(bp, PBF_REG_ETS_ENABLED, 0); - /** + /* * If ETS mode is enabled (there is no strict priority) defines a WFQ * weight for COS0/COS1. */ @@ -274,19 +274,19 @@ void bnx2x_ets_bw_limit_common(const struct link_params *params) /* ETS disabled configuration */ struct bnx2x *bp = params->bp; DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n"); - /** - * defines which entries (clients) are subjected to WFQ arbitration - * COS0 0x8 - * COS1 0x10 - */ + /* + * defines which entries (clients) are subjected to WFQ arbitration + * COS0 0x8 + * COS1 0x10 + */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18); - /** - * mapping between the ARB_CREDIT_WEIGHT registers and actual - * client numbers (WEIGHT_0 does not actually have to represent - * client 0) - * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 - * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010 - */ + /* + * mapping between the ARB_CREDIT_WEIGHT registers and actual + * client numbers (WEIGHT_0 does not actually have to represent + * client 0) + * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 + * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010 + */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A); REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, @@ -299,14 +299,14 @@ void bnx2x_ets_bw_limit_common(const struct link_params *params) /* Defines the number of consecutive slots for the strict priority */ REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0); - /** - * Bitmap of 5bits length. Each bit specifies whether the entry behaves - * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0 - * entry, 4 - COS1 entry. - * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT - * bit4 bit3 bit2 bit1 bit0 - * MCP and debug are strict - */ + /* + * Bitmap of 5bits length. Each bit specifies whether the entry behaves + * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0 + * entry, 4 - COS1 entry. + * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT + * bit4 bit3 bit2 bit1 bit0 + * MCP and debug are strict + */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/ @@ -355,7 +355,7 @@ u8 bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos) u32 val = 0; DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n"); - /** + /* * Bitmap of 5bits length. Each bit specifies whether the entry behaves * as strict. Bits 0,1,2 - debug and management entries, * 3 - COS0 entry, 4 - COS1 entry. @@ -364,7 +364,7 @@ u8 bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos) * MCP and debug are strict */ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F); - /** + /* * For strict priority entries defines the number of consecutive slots * for the highest priority. */ @@ -377,14 +377,14 @@ u8 bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos) /* Defines the number of consecutive slots for the strict priority */ REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos); - /** - * mapping between entry priority to client number (0,1,2 -debug and - * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) - * 3bits client num. - * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 - * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000 - * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000 - */ + /* + * mapping between entry priority to client number (0,1,2 -debug and + * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) + * 3bits client num. + * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 + * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000 + * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000 + */ val = (0 == strict_cos) ? 0x2318 : 0x22E0; REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val); @@ -599,14 +599,14 @@ static u8 bnx2x_emac_enable(struct link_params *params, val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE); val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS; - /** - * Setting this bit causes MAC control frames (except for pause - * frames) to be passed on for processing. This setting has no - * affect on the operation of the pause frames. This bit effects - * all packets regardless of RX Parser packet sorting logic. - * Turn the PFC off to make sure we are in Xon state before - * enabling it. - */ + /* + * Setting this bit causes MAC control frames (except for pause + * frames) to be passed on for processing. This setting has no + * affect on the operation of the pause frames. This bit effects + * all packets regardless of RX Parser packet sorting logic. + * Turn the PFC off to make sure we are in Xon state before + * enabling it. + */ EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0); if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) { DP(NETIF_MSG_LINK, "PFC is enabled\n"); @@ -760,12 +760,12 @@ static void bnx2x_update_pfc_bmac2(struct link_params *params, REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2); - /** - * Set Time (based unit is 512 bit time) between automatic - * re-sending of PP packets amd enable automatic re-send of - * Per-Priroity Packet as long as pp_gen is asserted and - * pp_disable is low. - */ + /* + * Set Time (based unit is 512 bit time) between automatic + * re-sending of PP packets amd enable automatic re-send of + * Per-Priroity Packet as long as pp_gen is asserted and + * pp_disable is low. + */ val = 0x8000; if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) val |= (1<<16); /* enable automatic re-send */ @@ -816,17 +816,25 @@ static void bnx2x_update_pfc_brb(struct link_params *params, full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE; } - /* The number of free blocks below which the pause signal to class 0 - of MAC #n is asserted. n=0,1 */ + /* + * The number of free blocks below which the pause signal to class 0 + * of MAC #n is asserted. n=0,1 + */ REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th); - /* The number of free blocks above which the pause signal to class 0 - of MAC #n is de-asserted. n=0,1 */ + /* + * The number of free blocks above which the pause signal to class 0 + * of MAC #n is de-asserted. n=0,1 + */ REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th); - /* The number of free blocks below which the full signal to class 0 - of MAC #n is asserted. n=0,1 */ + /* + * The number of free blocks below which the full signal to class 0 + * of MAC #n is asserted. n=0,1 + */ REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th); - /* The number of free blocks above which the full signal to class 0 - of MAC #n is de-asserted. n=0,1 */ + /* + * The number of free blocks above which the full signal to class 0 + * of MAC #n is de-asserted. n=0,1 + */ REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th); if (set_pfc && pfc_params) { @@ -850,25 +858,25 @@ static void bnx2x_update_pfc_brb(struct link_params *params, full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE; } - /** + /* * The number of free blocks below which the pause signal to * class 1 of MAC #n is asserted. n=0,1 - **/ + */ REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th); - /** + /* * The number of free blocks above which the pause signal to * class 1 of MAC #n is de-asserted. n=0,1 - **/ + */ REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th); - /** + /* * The number of free blocks below which the full signal to * class 1 of MAC #n is asserted. n=0,1 - **/ + */ REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th); - /** + /* * The number of free blocks above which the full signal to * class 1 of MAC #n is de-asserted. n=0,1 - **/ + */ REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th); } } @@ -887,7 +895,7 @@ static void bnx2x_update_pfc_nig(struct link_params *params, FEATURE_CONFIG_PFC_ENABLED; DP(NETIF_MSG_LINK, "updating pfc nig parameters\n"); - /** + /* * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set * MAC control frames (that are not pause packets) * will be forwarded to the XCM. @@ -895,7 +903,7 @@ static void bnx2x_update_pfc_nig(struct link_params *params, xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK : NIG_REG_LLH0_XCM_MASK); - /** + /* * nig params will override non PFC params, since it's possible to * do transition from PFC to SAFC */ @@ -985,7 +993,7 @@ void bnx2x_update_pfc(struct link_params *params, struct link_vars *vars, struct bnx2x_nig_brb_pfc_port_params *pfc_params) { - /** + /* * The PFC and pause are orthogonal to one another, meaning when * PFC is enabled, the pause are disabled, and when PFC is * disabled, pause are set according to the pause result. @@ -1331,6 +1339,23 @@ static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl, return 0; } +/* + * get_emac_base + * + * @param cb + * @param mdc_mdio_access + * @param port + * + * @return u32 + * + * This function selects the MDC/MDIO access (through emac0 or + * emac1) depend on the mdc_mdio_access, port, port swapped. Each + * phy has a default access mode, which could also be overridden + * by nvram configuration. This parameter, whether this is the + * default phy configuration, or the nvram overrun + * configuration, is passed here as mdc_mdio_access and selects + * the emac_base for the CL45 read/writes operations + */ static u32 bnx2x_get_emac_base(struct bnx2x *bp, u32 mdc_mdio_access, u8 port) { @@ -1363,13 +1388,16 @@ static u32 bnx2x_get_emac_base(struct bnx2x *bp, } +/******************************************************************/ +/* CL45 access functions */ +/******************************************************************/ u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy, u8 devad, u16 reg, u16 val) { u32 tmp, saved_mode; u8 i, rc = 0; - - /* set clause 45 mode, slow down the MDIO clock to 2.5MHz + /* + * Set clause 45 mode, slow down the MDIO clock to 2.5MHz * (a value of 49==0x31) and make sure that the AUTO poll is off */ @@ -1436,8 +1464,8 @@ u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy, u32 val, saved_mode; u16 i; u8 rc = 0; - - /* set clause 45 mode, slow down the MDIO clock to 2.5MHz + /* + * Set clause 45 mode, slow down the MDIO clock to 2.5MHz * (a value of 49==0x31) and make sure that the AUTO poll is off */ @@ -1506,7 +1534,7 @@ u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr, u8 devad, u16 reg, u16 *ret_val) { u8 phy_index; - /** + /* * Probe for the phy according to the given phy_addr, and execute * the read request on it */ @@ -1524,7 +1552,7 @@ u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr, u8 devad, u16 reg, u16 val) { u8 phy_index; - /** + /* * Probe for the phy according to the given phy_addr, and execute * the write request on it */ @@ -1814,8 +1842,10 @@ static void bnx2x_set_swap_lanes(struct link_params *params, struct bnx2x_phy *phy) { struct bnx2x *bp = params->bp; - /* Each two bits represents a lane number: - No swap is 0123 => 0x1b no need to enable the swap */ + /* + * Each two bits represents a lane number: + * No swap is 0123 => 0x1b no need to enable the swap + */ u16 ser_lane, rx_lane_swap, tx_lane_swap; ser_lane = ((params->lane_config & @@ -2031,8 +2061,10 @@ static void bnx2x_program_serdes(struct bnx2x_phy *phy, MDIO_REG_BANK_COMBO_IEEE0, MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); - /* program speed - - needed only if the speed is greater than 1G (2.5G or 10G) */ + /* + * program speed + * - needed only if the speed is greater than 1G (2.5G or 10G) + */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_SERDES_DIGITAL, MDIO_SERDES_DIGITAL_MISC1, ®_val); @@ -2089,8 +2121,10 @@ static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy, { struct bnx2x *bp = params->bp; *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; - /* resolve pause mode and advertisement - * Please refer to Table 28B-3 of the 802.3ab-1999 spec */ + /* + * Resolve pause mode and advertisement. + * Please refer to Table 28B-3 of the 802.3ab-1999 spec + */ switch (phy->req_flow_ctrl) { case BNX2X_FLOW_CTRL_AUTO: @@ -2415,8 +2449,10 @@ static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy, "ustat_val(0x8371) = 0x%x\n", ustat_val); return; } - /* Step 3: Check CL37 Message Pages received to indicate LP - supports only CL37 */ + /* + * Step 3: Check CL37 Message Pages received to indicate LP + * supports only CL37 + */ CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_REMOTE_PHY, MDIO_REMOTE_PHY_MISC_RX_STATUS, @@ -2431,9 +2467,13 @@ static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy, cl37_fsm_recieved); return; } - /* The combined cl37/cl73 fsm state information indicating that we are - connected to a device which does not support cl73, but does support - cl37 BAM. In this case we disable cl73 and restart cl37 auto-neg */ + /* + * The combined cl37/cl73 fsm state information indicating that + * we are connected to a device which does not support cl73, but + * does support cl37 BAM. In this case we disable cl73 and + * restart cl37 auto-neg + */ + /* Disable CL73 */ CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB0, @@ -2833,9 +2873,7 @@ static void bnx2x_link_int_enable(struct link_params *params) u32 mask; struct bnx2x *bp = params->bp; - /* setting the status to report on link up - for either XGXS or SerDes */ - + /* Setting the status to report on link up for either XGXS or SerDes */ if (params->switch_cfg == SWITCH_CFG_10G) { mask = (NIG_MASK_XGXS0_LINK10G | NIG_MASK_XGXS0_LINK_STATUS); @@ -2878,7 +2916,7 @@ static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port, { u32 latch_status = 0; - /** + /* * Disable the MI INT ( external phy int ) by writing 1 to the * status register. Link down indication is high-active-signal, * so in this case we need to write the status to clear the XOR @@ -2914,16 +2952,19 @@ static void bnx2x_link_int_ack(struct link_params *params, struct bnx2x *bp = params->bp; u8 port = params->port; - /* first reset all status - * we assume only one line will be change at a time */ + /* + * First reset all status we assume only one line will be + * change at a time + */ bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, (NIG_STATUS_XGXS0_LINK10G | NIG_STATUS_XGXS0_LINK_STATUS | NIG_STATUS_SERDES0_LINK_STATUS)); if (vars->phy_link_up) { if (is_10g) { - /* Disable the 10G link interrupt - * by writing 1 to the status register + /* + * Disable the 10G link interrupt by writing 1 to the + * status register */ DP(NETIF_MSG_LINK, "10G XGXS phy link up\n"); bnx2x_bits_en(bp, @@ -2931,9 +2972,9 @@ static void bnx2x_link_int_ack(struct link_params *params, NIG_STATUS_XGXS0_LINK10G); } else if (params->switch_cfg == SWITCH_CFG_10G) { - /* Disable the link interrupt - * by writing 1 to the relevant lane - * in the status register + /* + * Disable the link interrupt by writing 1 to the + * relevant lane in the status register */ u32 ser_lane = ((params->lane_config & PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> @@ -2948,8 +2989,9 @@ static void bnx2x_link_int_ack(struct link_params *params, } else { /* SerDes */ DP(NETIF_MSG_LINK, "SerDes phy link up\n"); - /* Disable the link interrupt - * by writing 1 to the status register + /* + * Disable the link interrupt by writing 1 to the status + * register */ bnx2x_bits_en(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, @@ -3126,19 +3168,19 @@ u8 bnx2x_set_led(struct link_params *params, break; case LED_MODE_OPER: - /** + /* * For all other phys, OPER mode is same as ON, so in case * link is down, do nothing - **/ + */ if (!vars->link_up) break; case LED_MODE_ON: if (params->phy[EXT_PHY1].type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727 && CHIP_IS_E2(bp) && params->num_phys == 2) { - /** - * This is a work-around for E2+8727 Configurations - */ + /* + * This is a work-around for E2+8727 Configurations + */ if (mode == LED_MODE_ON || speed == SPEED_10000){ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); @@ -3150,10 +3192,10 @@ u8 bnx2x_set_led(struct link_params *params, return rc; } } else if (SINGLE_MEDIA_DIRECT(params)) { - /** - * This is a work-around for HW issue found when link - * is up in CL73 - */ + /* + * This is a work-around for HW issue found when link + * is up in CL73 + */ REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0); REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); } else { @@ -3174,8 +3216,10 @@ u8 bnx2x_set_led(struct link_params *params, (speed == SPEED_1000) || (speed == SPEED_100) || (speed == SPEED_10))) { - /* On Everest 1 Ax chip versions for speeds less than - 10G LED scheme is different */ + /* + * On Everest 1 Ax chip versions for speeds less than + * 10G LED scheme is different + */ REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 1); REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 + @@ -3195,7 +3239,7 @@ u8 bnx2x_set_led(struct link_params *params, } -/** +/* * This function comes to reflect the actual link state read DIRECTLY from the * HW */ @@ -3254,15 +3298,15 @@ static u8 bnx2x_link_initialize(struct link_params *params, u8 rc = 0; u8 phy_index, non_ext_phy; struct bnx2x *bp = params->bp; - /** - * In case of external phy existence, the line speed would be the - * line speed linked up by the external phy. In case it is direct - * only, then the line_speed during initialization will be - * equal to the req_line_speed - */ + /* + * In case of external phy existence, the line speed would be the + * line speed linked up by the external phy. In case it is direct + * only, then the line_speed during initialization will be + * equal to the req_line_speed + */ vars->line_speed = params->phy[INT_PHY].req_line_speed; - /** + /* * Initialize the internal phy in case this is a direct board * (no external phys), or this board has external phy which requires * to first. @@ -3290,17 +3334,16 @@ static u8 bnx2x_link_initialize(struct link_params *params, if (!non_ext_phy) for (phy_index = EXT_PHY1; phy_index < params->num_phys; phy_index++) { - /** + /* * No need to initialize second phy in case of first * phy only selection. In case of second phy, we do * need to initialize the first phy, since they are * connected. - **/ + */ if (phy_index == EXT_PHY2 && (bnx2x_phy_selection(params) == PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) { - DP(NETIF_MSG_LINK, "Not initializing" - "second phy\n"); + DP(NETIF_MSG_LINK, "Ignoring second phy\n"); continue; } params->phy[phy_index].config_init( @@ -3424,7 +3467,7 @@ static u8 bnx2x_update_link_up(struct link_params *params, msleep(20); return rc; } -/** +/* * The bnx2x_link_update function should be called upon link * interrupt. * Link is considered up as follows: @@ -3476,14 +3519,14 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) /* disable emac */ REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); - /** - * Step 1: - * Check external link change only for external phys, and apply - * priority selection between them in case the link on both phys - * is up. Note that the instead of the common vars, a temporary - * vars argument is used since each phy may have different link/ - * speed/duplex result - */ + /* + * Step 1: + * Check external link change only for external phys, and apply + * priority selection between them in case the link on both phys + * is up. Note that the instead of the common vars, a temporary + * vars argument is used since each phy may have different link/ + * speed/duplex result + */ for (phy_index = EXT_PHY1; phy_index < params->num_phys; phy_index++) { struct bnx2x_phy *phy = ¶ms->phy[phy_index]; @@ -3508,22 +3551,22 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) switch (bnx2x_phy_selection(params)) { case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: - /** + /* * In this option, the first PHY makes sure to pass the * traffic through itself only. * Its not clear how to reset the link on the second phy - **/ + */ active_external_phy = EXT_PHY1; break; case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: - /** + /* * In this option, the first PHY makes sure to pass the * traffic through the second PHY. - **/ + */ active_external_phy = EXT_PHY2; break; default: - /** + /* * Link indication on both PHYs with the following cases * is invalid: * - FIRST_PHY means that second phy wasn't initialized, @@ -3531,7 +3574,7 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) * - SECOND_PHY means that first phy should not be able * to link up by itself (using configuration) * - DEFAULT should be overriden during initialiazation - **/ + */ DP(NETIF_MSG_LINK, "Invalid link indication" "mpc=0x%x. DISABLING LINK !!!\n", params->multi_phy_config); @@ -3541,18 +3584,18 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) } } prev_line_speed = vars->line_speed; - /** - * Step 2: - * Read the status of the internal phy. In case of - * DIRECT_SINGLE_MEDIA board, this link is the external link, - * otherwise this is the link between the 577xx and the first - * external phy - */ + /* + * Step 2: + * Read the status of the internal phy. In case of + * DIRECT_SINGLE_MEDIA board, this link is the external link, + * otherwise this is the link between the 577xx and the first + * external phy + */ if (params->phy[INT_PHY].read_status) params->phy[INT_PHY].read_status( ¶ms->phy[INT_PHY], params, vars); - /** + /* * The INT_PHY flow control reside in the vars. This include the * case where the speed or flow control are not set to AUTO. * Otherwise, the active external phy flow control result is set @@ -3562,13 +3605,13 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) */ if (active_external_phy > INT_PHY) { vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl; - /** + /* * Link speed is taken from the XGXS. AN and FC result from * the external phy. */ vars->link_status |= phy_vars[active_external_phy].link_status; - /** + /* * if active_external_phy is first PHY and link is up - disable * disable TX on second external PHY */ @@ -3604,7 +3647,7 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x," " ext_phy_line_speed = %d\n", vars->flow_ctrl, vars->link_status, ext_phy_line_speed); - /** + /* * Upon link speed change set the NIG into drain mode. Comes to * deals with possible FIFO glitch due to clk change when speed * is decreased without link down indicator @@ -3635,14 +3678,14 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) bnx2x_link_int_ack(params, vars, link_10g); - /** - * In case external phy link is up, and internal link is down - * (not initialized yet probably after link initialization, it - * needs to be initialized. - * Note that after link down-up as result of cable plug, the xgxs - * link would probably become up again without the need - * initialize it - */ + /* + * In case external phy link is up, and internal link is down + * (not initialized yet probably after link initialization, it + * needs to be initialized. + * Note that after link down-up as result of cable plug, the xgxs + * link would probably become up again without the need + * initialize it + */ if (!(SINGLE_MEDIA_DIRECT(params))) { DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d," " init_preceding = %d\n", ext_phy_link_up, @@ -3662,9 +3705,9 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) vars); } } - /** - * Link is up only if both local phy and external phy (in case of - * non-direct board) are up + /* + * Link is up only if both local phy and external phy (in case of + * non-direct board) are up */ vars->link_up = (vars->phy_link_up && (ext_phy_link_up || @@ -3952,26 +3995,32 @@ static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy) } /* XAUI workaround in 8073 A0: */ - /* After loading the boot ROM and restarting Autoneg, - poll Dev1, Reg $C820: */ + /* + * After loading the boot ROM and restarting Autoneg, poll + * Dev1, Reg $C820: + */ for (cnt = 0; cnt < 1000; cnt++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &val); - /* If bit [14] = 0 or bit [13] = 0, continue on with - system initialization (XAUI work-around not required, - as these bits indicate 2.5G or 1G link up). */ + /* + * If bit [14] = 0 or bit [13] = 0, continue on with + * system initialization (XAUI work-around not required, as + * these bits indicate 2.5G or 1G link up). + */ if (!(val & (1<<14)) || !(val & (1<<13))) { DP(NETIF_MSG_LINK, "XAUI work-around not required\n"); return 0; } else if (!(val & (1<<15))) { - DP(NETIF_MSG_LINK, "clc bit 15 went off\n"); - /* If bit 15 is 0, then poll Dev1, Reg $C841 until - it's MSB (bit 15) goes to 1 (indicating that the - XAUI workaround has completed), - then continue on with system initialization.*/ + DP(NETIF_MSG_LINK, "bit 15 went off\n"); + /* + * If bit 15 is 0, then poll Dev1, Reg $C841 until it's + * MSB (bit15) goes to 1 (indicating that the XAUI + * workaround has completed), then continue on with + * system initialization. + */ for (cnt1 = 0; cnt1 < 1000; cnt1++) { bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, @@ -4075,10 +4124,6 @@ static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy, DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1); - /** - * If this is forced speed, set to KR or KX (all other are not - * supported) - */ /* Swap polarity if required - Must be done only in non-1G mode */ if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { /* Configure the 8073 to swap _P and _N of the KR lines */ @@ -4121,8 +4166,10 @@ static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy, val = (1<<7); } else if (phy->req_line_speed == SPEED_2500) { val = (1<<5); - /* Note that 2.5G works only - when used with 1G advertisment */ + /* + * Note that 2.5G works only when used with 1G + * advertisment + */ } else val = (1<<5); } else { @@ -4131,8 +4178,7 @@ static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy, PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) val |= (1<<7); - /* Note that 2.5G works only when - used with 1G advertisment */ + /* Note that 2.5G works only when used with 1G advertisment */ if (phy->speed_cap_mask & (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G | PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) @@ -4172,9 +4218,11 @@ static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy, /* Add support for CL37 (passive mode) III */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); - /* The SNR will improve about 2db by changing - BW and FEE main tap. Rest commands are executed - after link is up*/ + /* + * The SNR will improve about 2db by changing BW and FEE main + * tap. Rest commands are executed after link is up + * Change FFE main cursor to 5 in EDC register + */ if (bnx2x_8073_is_snr_needed(bp, phy)) bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN, @@ -4258,12 +4306,11 @@ static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy, link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1))); if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) { - /* The SNR will improve about 2dbby - changing the BW and FEE main tap.*/ - /* The 1st write to change FFE main - tap is set before restart AN */ - /* Change PLL Bandwidth in EDC - register */ + /* + * The SNR will improve about 2dbby changing the BW and FEE main + * tap. The 1st write to change FFE main tap is set before + * restart AN. Change PLL Bandwidth in EDC register + */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH, 0x26BC); @@ -4307,10 +4354,10 @@ static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy, bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1); - /** - * Set bit 3 to invert Rx in 1G mode and clear this bit - * when it`s in 10G mode. - */ + /* + * Set bit 3 to invert Rx in 1G mode and clear this bit + * when it`s in 10G mode. + */ if (vars->line_speed == SPEED_1000) { DP(NETIF_MSG_LINK, "Swapping 1G polarity for" "the 8073\n"); @@ -4545,8 +4592,10 @@ static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 0x8002); - /* Wait appropriate time for two-wire command to finish before - polling the status register */ + /* + * Wait appropriate time for two-wire command to finish before + * polling the status register + */ msleep(1); /* Wait up to 500us for command complete status */ @@ -4625,8 +4674,10 @@ static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy, { u8 copper_module_type; - /* Check if its active cable( includes SFP+ module) - of passive cable*/ + /* + * Check if its active cable (includes SFP+ module) + * of passive cable + */ if (bnx2x_read_sfp_module_eeprom(phy, params, SFP_EEPROM_FC_TX_TECH_ADDR, @@ -4685,8 +4736,10 @@ static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy, DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode); return 0; } -/* This function read the relevant field from the module ( SFP+ ), - and verify it is compliant with this board */ +/* + * This function read the relevant field from the module (SFP+), and verify it + * is compliant with this board + */ static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy, struct link_params *params) { @@ -4764,8 +4817,11 @@ static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, u8 val; struct bnx2x *bp = params->bp; u16 timeout; - /* Initialization time after hot-plug may take up to 300ms for some - phys type ( e.g. JDSU ) */ + /* + * Initialization time after hot-plug may take up to 300ms for + * some phys type ( e.g. JDSU ) + */ + for (timeout = 0; timeout < 60; timeout++) { if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val) == 0) { @@ -4784,16 +4840,14 @@ static void bnx2x_8727_power_module(struct bnx2x *bp, /* Make sure GPIOs are not using for LED mode */ u16 val; /* - * In the GPIO register, bit 4 is use to detemine if the GPIOs are + * In the GPIO register, bit 4 is use to determine if the GPIOs are * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for * output * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0 * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1 * where the 1st bit is the over-current(only input), and 2nd bit is * for power( only output ) - */ - - /* + * * In case of NOC feature is disabled and power is up, set GPIO control * as input to enable listening of over-current indication */ @@ -4838,9 +4892,10 @@ static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp, DP(NETIF_MSG_LINK, "Setting LRM MODE\n"); - /* Changing to LRM mode takes quite few seconds. - So do it only if current mode is limiting - ( default is LRM )*/ + /* + * Changing to LRM mode takes quite few seconds. So do it only + * if current mode is limiting (default is LRM) + */ if (cur_limiting_mode != EDC_MODE_LIMITING) return 0; @@ -4964,8 +5019,10 @@ static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy, if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) bnx2x_8727_power_module(bp, phy, 1); - /* Check and set limiting mode / LRM mode on 8726. - On 8727 it is done automatically */ + /* + * Check and set limiting mode / LRM mode on 8726. On 8727 it + * is done automatically + */ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) bnx2x_8726_set_limiting_mode(bp, phy, edc_mode); else @@ -4996,7 +5053,7 @@ void bnx2x_handle_module_detect_int(struct link_params *params) MISC_REGISTERS_GPIO_HIGH, params->port); - /* Get current gpio val refelecting module plugged in / out*/ + /* Get current gpio val reflecting module plugged in / out*/ gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port); /* Call the handling function in case module is detected */ @@ -5019,8 +5076,10 @@ void bnx2x_handle_module_detect_int(struct link_params *params) bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3, MISC_REGISTERS_GPIO_INT_OUTPUT_SET, port); - /* Module was plugged out. */ - /* Disable transmit for this module */ + /* + * Module was plugged out. + * Disable transmit for this module + */ if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) bnx2x_sfp_set_transmitter(bp, phy, params->port, 0); @@ -5059,9 +5118,9 @@ static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy, DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps" " link_status 0x%x\n", rx_sd, pcs_status, val2); - /* link is up if both bit 0 of pmd_rx_sd and - * bit 0 of pcs_status are set, or if the autoneg bit - * 1 is set + /* + * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status + * are set, or if the autoneg bit 1 is set */ link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<& |