diff options
Diffstat (limited to 'board/prodrive/p3mx/mv_eth.c')
| -rw-r--r-- | board/prodrive/p3mx/mv_eth.c | 672 |
1 files changed, 299 insertions, 373 deletions
diff --git a/board/prodrive/p3mx/mv_eth.c b/board/prodrive/p3mx/mv_eth.c index 1127673..8203b3c 100644 --- a/board/prodrive/p3mx/mv_eth.c +++ b/board/prodrive/p3mx/mv_eth.c @@ -15,7 +15,7 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License @@ -46,33 +46,28 @@ #endif /* PHY DFCDL Registers */ -#define ETH_PHY_DFCDL_CONFIG0_REG 0x2100 -#define ETH_PHY_DFCDL_CONFIG1_REG 0x2104 -#define ETH_PHY_DFCDL_ADDR_REG 0x2110 -#define ETH_PHY_DFCDL_DATA0_REG 0x2114 +#define ETH_PHY_DFCDL_CONFIG0_REG 0x2100 +#define ETH_PHY_DFCDL_CONFIG1_REG 0x2104 +#define ETH_PHY_DFCDL_ADDR_REG 0x2110 +#define ETH_PHY_DFCDL_DATA0_REG 0x2114 -#define PHY_AUTONEGOTIATE_TIMEOUT 4000 /* 4000 ms autonegotiate timeout */ -#define PHY_UPDATE_TIMEOUT 10000 +#define PHY_AUTONEGOTIATE_TIMEOUT 4000 /* 4000 ms autonegotiate timeout */ +#define PHY_UPDATE_TIMEOUT 10000 #undef MV64460_CHECKSUM_OFFLOAD /************************************************************************* -************************************************************************** -************************************************************************** -* The first part is the high level driver of the gigE ethernet ports. * -************************************************************************** -************************************************************************** +* The first part is the high level driver of the gigE ethernet ports. * *************************************************************************/ /* Definition for configuring driver */ /* #define UPDATE_STATS_BY_SOFTWARE */ #undef MV64460_RX_QUEUE_FILL_ON_TASK - /* Constants */ #define MAGIC_ETH_RUNNING 8031971 -#define MV64460_INTERNAL_SRAM_SIZE _256K +#define MV64460_INTERNAL_SRAM_SIZE _256K #define EXTRA_BYTES 32 -#define WRAP ETH_HLEN + 2 + 4 + 16 +#define WRAP ETH_HLEN + 2 + 4 + 16 #define BUFFER_MTU dev->mtu + WRAP #define INT_CAUSE_UNMASK_ALL 0x0007ffff #define INT_CAUSE_UNMASK_ALL_EXT 0x0011ffff @@ -111,7 +106,7 @@ int mv_miiphy_write(char *devname, unsigned char phy_addr, int phy_setup_aneg (char *devname, unsigned char addr); -#ifndef UPDATE_STATS_BY_SOFTWARE +#ifndef UPDATE_STATS_BY_SOFTWARE static void mv64460_eth_print_stat (struct eth_device *dev); #endif /* Processes a received packet */ @@ -141,8 +136,10 @@ void print_globals (struct eth_device *dev) printf ("GT Internal Base Address: %08x\n", INTERNAL_REG_BASE_ADDR); - printf ("Base Address for TX-DESCs: %08x Number of allocated Buffers %d\n", (unsigned int) ((ETH_PORT_INFO *) dev->priv)->p_tx_desc_area_base[0], MV64460_TX_QUEUE_SIZE); - printf ("Base Address for RX-DESCs: %08x Number of allocated Buffers %d\n", (unsigned int) ((ETH_PORT_INFO *) dev->priv)->p_rx_desc_area_base[0], MV64460_RX_QUEUE_SIZE); + printf ("Base Address for TX-DESCs: %08x Number of allocated Buffers %d\n", + (unsigned int) ((ETH_PORT_INFO *) dev->priv)->p_tx_desc_area_base[0], MV64460_TX_QUEUE_SIZE); + printf ("Base Address for RX-DESCs: %08x Number of allocated Buffers %d\n", + (unsigned int) ((ETH_PORT_INFO *) dev->priv)->p_rx_desc_area_base[0], MV64460_RX_QUEUE_SIZE); printf ("Base Address for RX-Buffer: %08x allocated Bytes %d\n", (unsigned int) ((ETH_PORT_INFO *) dev->priv)-> p_rx_buffer_base[0], @@ -154,8 +151,6 @@ void print_globals (struct eth_device *dev) } #endif - - /********************************************************************** * mv64460_eth_print_phy_status * @@ -221,84 +216,37 @@ void db64460_eth_disable (struct eth_device *dev) mv64460_eth_stop (dev); } - #define DFCDL(write,read) ((write << 6) | read) -unsigned int ethDfcdls[] = { DFCDL(0,0), - DFCDL(1,1), - DFCDL(2,2), - DFCDL(3,3), - DFCDL(4,4), - DFCDL(5,5), - DFCDL(6,6), - DFCDL(7,7), - DFCDL(8,8), - DFCDL(9,9), - DFCDL(10,10), - DFCDL(11,11), - DFCDL(12,12), - DFCDL(13,13), - DFCDL(14,14), - DFCDL(15,15), - DFCDL(16,16), - DFCDL(17,17), - DFCDL(18,18), - DFCDL(19,19), - DFCDL(20,20), - DFCDL(21,21), - DFCDL(22,22), - DFCDL(23,23), - DFCDL(24,24), - DFCDL(25,25), - DFCDL(26,26), - DFCDL(27,27), - DFCDL(28,28), - DFCDL(29,29), - DFCDL(30,30), - DFCDL(31,31), - DFCDL(32,32), - DFCDL(33,33), - DFCDL(34,34), - DFCDL(35,35), - DFCDL(36,36), - DFCDL(37,37), - DFCDL(38,38), - DFCDL(39,39), - DFCDL(40,40), - DFCDL(41,41), - DFCDL(42,42), - DFCDL(43,43), - DFCDL(44,44), - DFCDL(45,45), - DFCDL(46,46), - DFCDL(47,47), - DFCDL(48,48), - DFCDL(49,49), - DFCDL(50,50), - DFCDL(51,51), - DFCDL(52,52), - DFCDL(53,53), - DFCDL(54,54), - DFCDL(55,55), - DFCDL(56,56), - DFCDL(57,57), - DFCDL(58,58), - DFCDL(59,59), - DFCDL(60,60), - DFCDL(61,61), - DFCDL(62,62), - DFCDL(63,63) }; - -void mv_eth_phy_init(void) +unsigned int ethDfcdls[] = { + DFCDL(0,0), DFCDL(1,1), DFCDL(2,2), DFCDL(3,3), + DFCDL(4,4), DFCDL(5,5), DFCDL(6,6), DFCDL(7,7), + DFCDL(8,8), DFCDL(9,9), DFCDL(10,10), DFCDL(11,11), + DFCDL(12,12), DFCDL(13,13), DFCDL(14,14), DFCDL(15,15), + DFCDL(16,16), DFCDL(17,17), DFCDL(18,18), DFCDL(19,19), + DFCDL(20,20), DFCDL(21,21), DFCDL(22,22), DFCDL(23,23), + DFCDL(24,24), DFCDL(25,25), DFCDL(26,26), DFCDL(27,27), + DFCDL(28,28), DFCDL(29,29), DFCDL(30,30), DFCDL(31,31), + DFCDL(32,32), DFCDL(33,33), DFCDL(34,34), DFCDL(35,35), + DFCDL(36,36), DFCDL(37,37), DFCDL(38,38), DFCDL(39,39), + DFCDL(40,40), DFCDL(41,41), DFCDL(42,42), DFCDL(43,43), + DFCDL(44,44), DFCDL(45,45), DFCDL(46,46), DFCDL(47,47), + DFCDL(48,48), DFCDL(49,49), DFCDL(50,50), DFCDL(51,51), + DFCDL(52,52), DFCDL(53,53), DFCDL(54,54), DFCDL(55,55), + DFCDL(56,56), DFCDL(57,57), DFCDL(58,58), DFCDL(59,59), + DFCDL(60,60), DFCDL(61,61), DFCDL(62,62), DFCDL(63,63), +}; + +void mv_eth_phy_init (void) { - int i; + int i; - MV_REG_WRITE(ETH_PHY_DFCDL_ADDR_REG, 0); + MV_REG_WRITE (ETH_PHY_DFCDL_ADDR_REG, 0); - for (i = 0 ; i < 64; i++) { - MV_REG_WRITE(ETH_PHY_DFCDL_DATA0_REG, ethDfcdls[i]); - } + for (i = 0; i < 64; i++) { + MV_REG_WRITE (ETH_PHY_DFCDL_DATA0_REG, ethDfcdls[i]); + } - MV_REG_WRITE(ETH_PHY_DFCDL_CONFIG0_REG,0x300000); + MV_REG_WRITE (ETH_PHY_DFCDL_CONFIG0_REG, 0x300000); } void mv6446x_eth_initialize (bd_t * bis) @@ -309,9 +257,9 @@ void mv6446x_eth_initialize (bd_t * bis) int devnum, x, temp; char *s, *e, buf[64]; -/* P3M750 only - * Set RGMII clock drives strength - */ + /* P3M750 only + * Set RGMII clock drives strength + */ temp = MV_REG_READ(0x20A0); temp |= 0x04000080; MV_REG_WRITE(0x20A0, temp); @@ -338,15 +286,12 @@ void mv6446x_eth_initialize (bd_t * bis) case 0: s = "ethaddr"; break; - case 1: s = "eth1addr"; break; - case 2: s = "eth2addr"; break; - default: /* this should never happen */ printf ("%s: Invalid device number %d\n", __FUNCTION__, devnum); @@ -440,15 +385,12 @@ void mv6446x_eth_initialize (bd_t * bis) case 0: s = "ethaddr"; break; - case 1: s = "eth1addr"; break; - case 2: s = "eth2addr"; break; - default: /* this should never happen */ printf ("%s: Invalid device number %d\n", __FUNCTION__, devnum); @@ -538,13 +480,11 @@ static int mv64460_eth_real_open (struct eth_device *dev) see ./net/eth.c eth_set_enetaddr() */ memcpy (ethernet_private->port_mac_addr, dev->enetaddr, 6); - port_private = - (struct mv64460_eth_priv *) ethernet_private->port_private; + port_private = (struct mv64460_eth_priv *) ethernet_private->port_private; port_num = port_private->port_num; /* Stop RX Queues */ - MV_REG_WRITE (MV64460_ETH_RECEIVE_QUEUE_COMMAND_REG (port_num), - 0x0000ff00); + MV_REG_WRITE (MV64460_ETH_RECEIVE_QUEUE_COMMAND_REG (port_num), 0x0000ff00); /* Clear the ethernet port interrupts */ MV_REG_WRITE (MV64460_ETH_INTERRUPT_CAUSE_REG (port_num), 0); @@ -685,7 +625,6 @@ static int mv64460_eth_real_open (struct eth_device *dev) return 1; } - static int mv64460_eth_free_tx_rings (struct eth_device *dev) { unsigned int queue; @@ -739,7 +678,6 @@ static int mv64460_eth_free_rx_rings (struct eth_device *dev) (struct mv64460_eth_priv *) ethernet_private->port_private; port_num = port_private->port_num; - /* Stop RX Queues */ MV_REG_WRITE (MV64460_ETH_RECEIVE_QUEUE_COMMAND_REG (port_num), 0x0000ff00); @@ -823,7 +761,7 @@ static int mv64460_eth_real_stop (struct eth_device *dev) MV_RESET_REG_BITS (MV64460_CPU_INTERRUPT0_MASK_HIGH, BIT0 << port_num); /* Print Network statistics */ -#ifndef UPDATE_STATS_BY_SOFTWARE +#ifndef UPDATE_STATS_BY_SOFTWARE /* * Print statistics (only if ethernet is running), * then zero all the stats fields in memory @@ -838,7 +776,6 @@ static int mv64460_eth_real_stop (struct eth_device *dev) return 0; } - /********************************************************************** * mv64460_eth_start_xmit * @@ -846,7 +783,7 @@ static int mv64460_eth_real_stop (struct eth_device *dev) * required port. * * Input : skb - a pointer to socket buffer - * dev - a pointer to the required port + * dev - a pointer to the required port * * Output : zero upon success **********************************************************************/ @@ -882,7 +819,7 @@ int mv64460_eth_xmit (struct eth_device *dev, volatile void *dataPtr, printf ("ETH Queue is full. \n"); if (status == ETH_QUEUE_LAST_RESOURCE) printf ("ETH Queue: using last available resource. \n"); - goto error; + return 1; } /* Update statistics and start of transmittion time */ @@ -918,10 +855,7 @@ int mv64460_eth_xmit (struct eth_device *dev, volatile void *dataPtr, } } while (release_result == ETH_OK); - return 0; /* success */ - - error: - return 1; /* Failed - higher layers will free the skb */ + return 0; /* success */ } /********************************************************************** @@ -931,7 +865,7 @@ int mv64460_eth_xmit (struct eth_device *dev, volatile void *dataPtr, * queues toward kernel core or FastRoute them to another interface. * * Input : dev - a pointer to the required interface - * max - maximum number to receive (0 means unlimted) + * max - maximum number to receive (0 means unlimted) * * Output : number of served packets **********************************************************************/ @@ -1054,7 +988,6 @@ static struct net_device_stats *mv64460_eth_get_stats (struct eth_device *dev) return port_private->stats; } - /********************************************************************** * mv64460_eth_update_stat * @@ -1136,7 +1069,7 @@ static void mv64460_eth_update_stat (struct eth_device *dev) /* detailed tx errors */ } -#ifndef UPDATE_STATS_BY_SOFTWARE +#ifndef UPDATE_STATS_BY_SOFTWARE /********************************************************************** * mv64460_eth_print_stat * @@ -1198,7 +1131,7 @@ bool db64460_eth_start (struct eth_device *dev) /************************************************************************* ************************************************************************** ************************************************************************** -* The second part is the low level driver of the gigE ethernet ports. * +* The second part is the low level driver of the gigE ethernet ports. * ************************************************************************** ************************************************************************** *************************************************************************/ @@ -1214,7 +1147,7 @@ bool db64460_eth_start (struct eth_device *dev) * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License @@ -1227,7 +1160,7 @@ bool db64460_eth_start (struct eth_device *dev) * Marvell's Gigabit Ethernet controller low level driver * * DESCRIPTION: - * This file introduce low level API to Marvell's Gigabit Ethernet + * This file introduce low level API to Marvell's Gigabit Ethernet * controller. This Gigabit Ethernet Controller driver API controls * 1) Operations (i.e. port init, start, reset etc'). * 2) Data flow (i.e. port send, receive etc'). @@ -1339,23 +1272,23 @@ bool db64460_eth_start (struct eth_device *dev) * * EXTERNAL INTERFACE * - * Prior to calling the initialization routine eth_port_init() the user + * Prior to calling the initialization routine eth_port_init() the user * must set the following fields under ETH_PORT_INFO struct: - * port_num User Ethernet port number. - * port_phy_addr User PHY address of Ethernet port. - * port_mac_addr[6] User defined port MAC address. - * port_config User port configuration value. - * port_config_extend User port config extend value. - * port_sdma_config User port SDMA config value. - * port_serial_control User port serial control value. - * *port_virt_to_phys () User function to cast virtual addr to CPU bus addr. - * *port_private User scratch pad for user specific data structures. - * - * This driver introduce a set of default values: - * PORT_CONFIG_VALUE Default port configuration value - * PORT_CONFIG_EXTEND_VALUE Default port extend configuration value - * PORT_SDMA_CONFIG_VALUE Default sdma control value - * PORT_SERIAL_CONTROL_VALUE Default port serial control value + * port_num User Ethernet port number. + * port_phy_addr User PHY address of Ethernet port. + * port_mac_addr[6] User defined port MAC address. + * port_config User port configuration value. + * port_config_extend User port config extend value. + * port_sdma_config User port SDMA config value. + * port_serial_control User port serial control value. + * *port_virt_to_phys () User function to cast virtual addr to CPU bus addr. + * *port_private User scratch pad for user specific data structures. + * + * This driver introduce a set of default values: + * PORT_CONFIG_VALUE Default port configuration value + * PORT_CONFIG_EXTEND_VALUE Default port extend configuration value + * PORT_SDMA_CONFIG_VALUE Default sdma control value + * PORT_SERIAL_CONTROL_VALUE Default port serial control value * * This driver data flow is done using the PKT_INFO struct which is * a unified struct for Rx and Tx operations: @@ -1374,7 +1307,7 @@ bool db64460_eth_start (struct eth_device *dev) * * This macro applies assembly code to flush and invalidate cache * line. - * address - address base. + * address - address base. * address offset - address offset * * @@ -1522,25 +1455,25 @@ u32 mv_get_internal_sram_base (void) * eth_port_init - Initialize the Ethernet port driver * * DESCRIPTION: -* This function prepares the ethernet port to start its activity: -* 1) Completes the ethernet port driver struct initialization toward port -* start routine. -* 2) Resets the device to a quiescent state in case of warm reboot. -* 3) Enable SDMA access to all four DRAM banks as well as internal SRAM. -* 4) Clean MAC tables. The reset status of those tables is unknown. -* 5) Set PHY address. -* Note: Call this routine prior to eth_port_start routine and after setting -* user values in the user fields of Ethernet port control struct (i.e. -* port_phy_addr). +* This function prepares the ethernet port to start its activity: +* 1) Completes the ethernet port driver struct initialization toward port +* start routine. +* 2) Resets the device to a quiescent state in case of warm reboot. +* 3) Enable SDMA access to all four DRAM banks as well as internal SRAM. +* 4) Clean MAC tables. The reset status of those tables is unknown. +* 5) Set PHY address. +* Note: Call this routine prior to eth_port_start routine and after setting +* user values in the user fields of Ethernet port control struct (i.e. +* port_phy_addr). * * INPUT: -* ETH_PORT_INFO *p_eth_port_ctrl Ethernet port control struct +* ETH_PORT_INFO *p_eth_port_ctrl Ethernet port control struct * * OUTPUT: -* See description. +* See description. * * RETURN: -* None. +* None. * *******************************************************************************/ static void eth_port_init (ETH_PORT_INFO * p_eth_port_ctrl) @@ -1574,7 +1507,7 @@ static void eth_port_init (ETH_PORT_INFO * p_eth_port_ctrl) /* Set access parameters for DRAM bank 0 */ win_param.win = ETH_WIN0; /* Use Ethernet window 0 */ - win_param.target = ETH_TARGET_DRAM; /* Window target - DDR */ + win_param.target = ETH_TARGET_DRAM; /* Window target - DDR */ win_param.attributes = EBAR_ATTR_DRAM_CS0; /* Enable DRAM bank */ #ifndef CONFIG_NOT_COHERENT_CACHE win_param.attributes |= EBAR_ATTR_DRAM_CACHE_COHERENCY_WB; @@ -1582,7 +1515,7 @@ static void eth_port_init (ETH_PORT_INFO * p_eth_port_ctrl) win_param.high_addr = 0; /* Get bank base */ win_param.base_addr = mv_get_dram_bank_base_addr (BANK0); - win_param.size = mv_get_dram_bank_size (BANK0); /* Get bank size */ + win_param.size = mv_get_dram_bank_size (BANK0); /* Get bank size */ if (win_param.size == 0) win_param.enable = 0; else @@ -1602,7 +1535,7 @@ static void eth_port_init (ETH_PORT_INFO * p_eth_port_ctrl) win_param.high_addr = 0; /* Get bank base */ win_param.base_addr = mv_get_dram_bank_base_addr (BANK1); - win_param.size = mv_get_dram_bank_size (BANK1); /* Get bank size */ + win_param.size = mv_get_dram_bank_size (BANK1); /* Get bank size */ if (win_param.size == 0) win_param.enable = 0; else @@ -1622,7 +1555,7 @@ static void eth_port_init (ETH_PORT_INFO * p_eth_port_ctrl) win_param.high_addr = 0; /* Get bank base */ win_param.base_addr = mv_get_dram_bank_base_addr (BANK2); - win_param.size = mv_get_dram_bank_size (BANK2); /* Get bank size */ + win_param.size = mv_get_dram_bank_size (BANK2); /* Get bank size */ if (win_param.size == 0) win_param.enable = 0; else @@ -1642,7 +1575,7 @@ static void eth_port_init (ETH_PORT_INFO * p_eth_port_ctrl) win_param.high_addr = 0; /* Get bank base */ win_param.base_addr = mv_get_dram_bank_base_addr (BANK3); - win_param.size = mv_get_dram_bank_size (BANK3); /* Get bank size */ + win_param.size = mv_get_dram_bank_size (BANK3); /* Get bank size */ if (win_param.size == 0) win_param.enable = 0; else @@ -1678,30 +1611,30 @@ static void eth_port_init (ETH_PORT_INFO * p_eth_port_ctrl) * eth_port_start - Start the Ethernet port activity. * * DESCRIPTION: -* This routine prepares the Ethernet port for Rx and Tx activity: -* 1. Initialize Tx and Rx Current Descriptor Pointer for each queue that -* has been initialized a descriptor's ring (using ether_init_tx_desc_ring -* for Tx and ether_init_rx_desc_ring for Rx) -* 2. Initialize and enable the Ethernet configuration port by writing to -* the port's configuration and command registers. -* 3. Initialize and enable the SDMA by writing to the SDMA's +* This routine prepares the Ethernet port for Rx and Tx activity: +* 1. Initialize Tx and Rx Current Descriptor Pointer for each queue that +* has been initialized a descriptor's ring (using ether_init_tx_desc_ring +* for Tx and ether_init_rx_desc_ring for Rx) +* 2. Initialize and enable the Ethernet configuration port by writing to +* the port's configuration and command registers. +* 3. Initialize and enable the SDMA by writing to the SDMA's * configuration and command registers. -* After completing these steps, the ethernet port SDMA can starts to -* perform Rx and Tx activities. +* After completing these steps, the ethernet port SDMA can starts to +* perform Rx and Tx activities. * -* Note: Each Rx and Tx queue descriptor's list must be initialized prior -* to calling this function (use ether_init_tx_desc_ring for Tx queues and -* ether_init_rx_desc_ring for Rx queues). +* Note: Each Rx and Tx queue descriptor's list must be initialized prior +* to calling this function (use ether_init_tx_desc_ring for Tx queues and +* ether_init_rx_desc_ring for Rx queues). * * INPUT: -* ETH_PORT_INFO *p_eth_port_ctrl Ethernet port control struct +* ETH_PORT_INFO *p_eth_port_ctrl Ethernet port control struct * * OUTPUT: -* Ethernet port is ready to receive and transmit. +* Ethernet port is ready to receive and transmit. * * RETURN: -* false if the port PHY is not up. -* true otherwise. +* false if the port PHY is not up. +* true otherwise. * *******************************************************************************/ static bool eth_port_start (ETH_PORT_INFO * p_eth_port_ctrl) @@ -1712,7 +1645,6 @@ static bool eth_port_start (ETH_PORT_INFO * p_eth_port_ctrl) unsigned int phy_reg_data; ETH_PORT eth_port_num = p_eth_port_ctrl->port_num; - /* Assignment of Tx CTRP of given queue */ for (queue = 0; queue < MAX_TX_QUEUE_NUM; queue++) { CURR_TFD_GET (p_tx_curr_desc, queue); @@ -1782,13 +1714,13 @@ static bool eth_port_start (ETH_PORT_INFO * p_eth_port_ctrl) * This function Set the port Ethernet MAC address. * * INPUT: -* ETH_PORT eth_port_num Port number. -* char * p_addr Address to be set -* ETH_QUEUE queue Rx queue number for this MAC address. +* ETH_PORT eth_port_num Port number. +* char * p_addr Address to be set +* ETH_QUEUE queue Rx queue number for this MAC address. * * OUTPUT: * Set MAC address low and high registers. also calls eth_port_uc_addr() -* To set the unicast table with the proper information. +* To set the unicast table with the proper information. * * RETURN: * N/A. @@ -1822,10 +1754,10 @@ static void eth_port_uc_addr_set (ETH_PORT eth_port_num, * parameters. * * INPUT: -* ETH_PORT eth_port_num Port number. +* ETH_PORT eth_port_num Port number. * unsigned char uc_nibble Unicast MAC Address last nibble. -* ETH_QUEUE queue Rx queue number for this MAC address. -* int option 0 = Add, 1 = remove address. +* ETH_QUEUE queue Rx queue number for this MAC address. +* int option 0 = Add, 1 = remove address. * * OUTPUT: * This function add/removes MAC addresses from the port unicast address @@ -1904,10 +1836,10 @@ static bool eth_port_uc_addr (ETH_PORT eth_port_num, * In this case, the function calculates the CRC-8bit value and calls * eth_port_omc_addr() routine to set the Other Multicast Table. * INPUT: -* ETH_PORT eth_port_num Port number. -* unsigned char *p_addr Unicast MAC Address. -* ETH_QUEUE queue Rx queue number for this MAC address. -* int option 0 = Add, 1 = remove address. +* ETH_PORT eth_port_num Port number. +* unsigned char *p_addr Unicast MAC Address. +* ETH_QUEUE queue Rx queue number for this MAC address. +* int option 0 = Add, 1 = remove address. * * OUTPUT: * See description. @@ -1928,13 +1860,12 @@ static void eth_port_mc_addr (ETH_PORT eth_port_num, int crc[8]; int i; - if ((p_addr[0] == 0x01) && (p_addr[1] == 0x00) && - (p_addr[2] == 0x5E) && (p_addr[3] == 0x00) && (p_addr[4] == 0x00)) + (p_addr[2] == 0x5E) && (p_addr[3] == 0x00) && (p_addr[4] == 0x00)) { eth_port_smc_addr (eth_port_num, p_addr[5], queue, option); - else { + } else { /* Calculate CRC-8 out of the given address */ mac_h = (p_addr[0] << 8) | (p_addr[1]); mac_l = (p_addr[2] << 24) | (p_addr[3] << 16) | @@ -1945,7 +1876,6 @@ static void eth_port_mc_addr (ETH_PORT eth_port_num, for (i = 32; i < 48; i++) mac_array[i] = (mac_h >> (i - 32)) & 0x1; - crc[0] = mac_array[45] ^ mac_array[43] ^ mac_array[40] ^ mac_array[39] ^ mac_array[35] ^ mac_array[34] ^ mac_array[31] ^ mac_array[30] ^ mac_array[28] ^ @@ -2038,10 +1968,10 @@ static void eth_port_mc_addr (ETH_PORT eth_port_num, * according to the argument given. * * INPUT: -* ETH_PORT eth_port_num Port number. -* unsigned char mc_byte Multicast addr last byte (MAC DA[7:0] bits). -* ETH_QUEUE queue Rx queue number for this MAC address. -* int option 0 = Add, 1 = remove address. +* ETH_PORT eth_port_num Port number. +* unsigned char mc_byte Multicast addr last byte (MAC DA[7:0] bits). +* ETH_QUEUE queue Rx queue number for this MAC address. +* int option 0 = Add, 1 = remove address. * * OUTPUT: * See description. @@ -2060,7 +1990,7 @@ static bool eth_port_smc_addr (ETH_PORT eth_port_num, unsigned int reg_offset; /* Locate the SMC table entry */ - tbl_offset = (mc_byte / 4) * 4; /* Register offset from SMC table base */ + tbl_offset = (mc_byte / 4) * 4; /* Register offset from SMC table base */ reg_offset = mc_byte % 4; /* Entry offset within the above register */ queue &= 0x7; @@ -2102,10 +2032,10 @@ static bool eth_port_smc_addr (ETH_PORT eth_port_num, * CRC-8 argument given. * * INPUT: -* ETH_PORT eth_port_num Port number. -* unsigned char crc8 A CRC-8bit (Polynomial: x^8+x^2+x^1+1). -* ETH_QUEUE queue Rx queue number for this MAC address. -* int option 0 = Add, 1 = remove address. +* ETH_PORT eth_port_num Port number. +* unsigned char crc8 A CRC-8bit (Polynomial: x^8+x^2+x^1+1). +* ETH_QUEUE queue Rx queue number for this MAC address. +* int option 0 = Add, 1 = remove address. * * OUTPUT: * See description. @@ -2158,17 +2088,17 @@ static bool eth_port_omc_addr (ETH_PORT eth_port_num, * eth_port_init_mac_tables - Clear all entrance in the UC, SMC and OMC tables * * DESCRIPTION: -* Go through all the DA filter tables (Unicast, Special Multicast & Other -* Multicast) and set each entry to 0. +* Go through all the DA filter tables (Unicast, Special Multicast & Other +* Multicast) and set each entry to 0. * * INPUT: * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. * * OUTPUT: -* Multicast and Unicast packets are rejected. +* Multicast and Unicast packets are rejected. * * RETURN: -* None. +* None. * *******************************************************************************/ static void eth_port_init_mac_tables (ETH_PORT eth_port_num) @@ -2192,17 +2122,17 @@ static void eth_port_init_mac_tables (ETH_PORT eth_port_num) * eth_clear_mib_counters - Clear all MIB counters * * DESCRIPTION: -* This function clears all MIB counters of a specific ethernet port. -* A read from the MIB counter will reset the counter. +* This function clears all MIB counters of a specific ethernet port. +* A read from the MIB counter will reset the counter. * * INPUT: * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. * * OUTPUT: -* After reading all MIB counters, the counters resets. +* After reading all MIB counters, the counters resets. * * RETURN: -* MIB counter value. +* MIB counter value. * *******************************************************************************/ static void eth_clear_mib_counters (ETH_PORT eth_port_num) @@ -2223,21 +2153,21 @@ static void eth_clear_mib_counters (ETH_PORT eth_port_num) * eth_read_mib_counter - Read a MIB counter * * DESCRIPTION: -* This function reads a MIB counter of a specific ethernet port. -* NOTE - If read from ETH_MIB_GOOD_OCTETS_RECEIVED_LOW, then the -* following read must be from ETH_MIB_GOOD_OCTETS_RECEIVED_HIGH -* register. The same applies for ETH_MIB_GOOD_OCTETS_SENT_LOW and -* ETH_MIB_GOOD_OCTETS_SENT_HIGH +* This function reads a MIB counter of a specific ethernet port. +* NOTE - If read from ETH_MIB_GOOD_OCTETS_RECEIVED_LOW, then the +* following read must be from ETH_MIB_GOOD_OCTETS_RECEIVED_HIGH +* register. The same applies for ETH_MIB_GOOD_OCTETS_SENT_LOW and +* ETH_MIB_GOOD_OCTETS_SENT_HIGH * * INPUT: * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. -* unsigned int mib_offset MIB counter offset (use ETH_MIB_... macros). +* unsigned int mib_offset MIB counter offset (use ETH_MIB_... macros). * * OUTPUT: -* After reading the MIB counter, the counter resets. +* After reading the MIB counter, the counter resets. * * RETURN: -* MIB counter value. +* MIB counter value. * *******************************************************************************/ unsigned int eth_read_mib_counter (ETH_PORT eth_port_num, @@ -2251,17 +2181,17 @@ unsigned int eth_read_mib_counter (ETH_PORT eth_port_num, * ethernet_phy_set - Set the ethernet port PHY address. * * DESCRIPTION: -* This routine set the ethernet port PHY address according to given -* parameter. +* This routine set the ethernet port PHY address according to given +* parameter. * * INPUT: -* ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. +* ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. * * OUTPUT: -* Set PHY Address Register with given PHY address parameter. +* Set PHY Address Register with given PHY address parameter. * * RETURN: -* None. +* None. * *******************************************************************************/ static void ethernet_phy_set (ETH_PORT eth_port_num, int phy_addr) @@ -2282,16 +2212,16 @@ static void ethernet_phy_set (ETH_PORT eth_port_num, int phy_addr) * ethernet_phy_get - Get the ethernet port PHY address. * * DESCRIPTION: - * This routine returns the given ethernet port PHY address. + * This routine returns the given ethernet port PHY address. * * INPUT: - * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. + * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. * * OUTPUT: - * None. + * None. * * RETURN: - * PHY address. + * PHY address. * *******************************************************************************/ static int ethernet_phy_get (ETH_PORT eth_port_num) @@ -2333,17 +2263,17 @@ int phy_setup_aneg (char *devname, unsigned char addr) * ethernet_phy_reset - Reset Ethernet port PHY. * * DESCRIPTION: - * This routine utilize the SMI interface to reset the ethernet port PHY. - * The routine waits until the link is up again or link up is timeout. + * This routine utilize the SMI interface to reset the ethernet port PHY. + * The routine waits until the link is up again or link up is timeout. * * INPUT: - * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. + * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. * * OUTPUT: - * The ethernet port PHY renew its link. + * The ethernet port PHY renew its link. * * RETURN: - * None. + * None. * *******************************************************************************/ static bool ethernet_phy_reset (ETH_PORT eth_port_num) @@ -2352,12 +2282,12 @@ static bool ethernet_phy_reset (ETH_PORT eth_port_num) unsigned int phy_reg_data; eth_port_read_smi_reg (eth_port_num, 20, &phy_reg_data); - phy_reg_data |= 0x0083; /* Set bit 7 to 1 for different RGMII timing */ + phy_reg_data |= 0x0083; /* Set bit 7 to 1 for different RGMII timing */ eth_port_write_smi_reg (eth_port_num, 20, phy_reg_data); /* Reset the PHY */ eth_port_read_smi_reg (eth_port_num, 0, &phy_reg_data); - phy_reg_data |= 0x8000; /* Set bit 15 to reset the PHY */ + phy_reg_data |= 0x8000; /* Set bit 15 to reset the PHY */ eth_port_write_smi_reg (eth_port_num, 0, phy_reg_data); /* Poll on the PHY LINK */ @@ -2376,18 +2306,18 @@ static bool ethernet_phy_reset (ETH_PORT eth_port_num) * eth_port_reset - Reset Ethernet port * * DESCRIPTION: - * This routine resets the chip by aborting any SDMA engine activity and - * clearing the MIB counters. The Receiver and the Transmit unit are in - * idle state after this command is performed and the port is disabled. + * This routine resets the chip by aborting any SDMA engine activity and + * clearing the MIB counters. The Receiver and the Transmit unit are in + * idle state after this command is performed and the port is disabled. * * INPUT: - * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. + * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. * * OUTPUT: - * Channel activity is halted. + * Channel activity is halted. * * RETURN: - * None. + * None. * *******************************************************************************/ static void eth_port_reset (ETH_PORT eth_port_num) @@ -2455,19 +2385,19 @@ static void eth_port_reset (ETH_PORT eth_port_num) * ethernet_set_config_reg - Set specified bits in configuration register. * * DESCRIPTION: - * This function sets specified bits in the given ethernet - * configuration register. + * This function sets specified bits in the given ethernet + * configuration register. * * INPUT: - * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. - * unsigned int value 32 bit value. + * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. + * unsigned int value 32 bit value. * * OUTPUT: - * The set bits in the value parameter are set in the configuration - * register. + * The set bits in the value parameter are set in the configuration + * register. * * RETURN: - * None. + * None. * *******************************************************************************/ static void ethernet_set_config_reg (ETH_PORT eth_port_num, @@ -2490,19 +2420,19 @@ static void ethernet_set_config_reg (ETH_PORT eth_port_num, * ethernet_reset_config_reg - Reset specified bits in configuration register. * * DESCRIPTION: - * This function resets specified bits in the given Ethernet - * configuration register. + * This function resets specified bits in the given Ethernet + * configuration register. * * INPUT: - * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. - * unsigned int value 32 bit value. + * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. + * unsigned int value 32 bit value. * * OUTPUT: - * The set bits in the value parameter are reset in the configuration - * register. + * The set bits in the value parameter are reset in the configuration + * register. * * RETURN: - * None. + * None. * *******************************************************************************/ static void ethernet_reset_config_reg (ETH_PORT eth_port_num, @@ -2525,17 +2455,17 @@ static void ethernet_reset_config_reg (ETH_PORT eth_port_num, * ethernet_get_config_reg - Get the port configuration register * * DESCRIPTION: - * This function returns the configuration register value of the given - * ethernet port. + * This function returns the configuration register value of the given + * ethernet port. * * INPUT: - * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. + * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. * * OUTPUT: - * None. + * None. * * RETURN: - * Port configuration register value. + * Port configuration register value. * *******************************************************************************/ static unsigned int ethernet_get_config_reg (ETH_PORT eth_port_num) @@ -2553,20 +2483,20 @@ static unsigned int ethernet_get_config_reg (ETH_PORT eth_port_num) * eth_port_read_smi_reg - Read PHY registers * * DESCRIPTION: - * This routine utilize the SMI interface to interact with the PHY in - * order to perform PHY register read. + * This routine utilize the SMI interface to interact with the PHY in + * order to perform PHY register read. * * INPUT: - * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. - * unsigned int phy_reg PHY register address offset. - * unsigned int *value Register value buffer. + * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. + * unsigned int phy_reg PHY register address offset. + * unsigned int *value Register value buffer. * * OUTPUT: - * Write the value of a specified PHY register into given buffer. + * Write the value of a specified PHY register into given buffer. * * RETURN: - * false if the PHY is busy or read data is not in valid state. - * true otherwise. + * false if the PHY is busy or read data is not in valid state. + * true otherwise. * *******************************************************************************/ static bool eth_port_read_smi_reg (ETH_PORT eth_port_num, @@ -2601,7 +2531,7 @@ static bool eth_port_read_smi_reg (ETH_PORT eth_port_num, return false; } } - while ((reg_value & ETH_SMI_READ_VALID) != ETH_SMI_READ_VALID); /* Bit set equ operation done */ + while ((reg_value & ETH_SMI_READ_VALID) != ETH_SMI_READ_VALID); /* Bit set equ operation done */ /* Wait for the data to update in the SMI register */ #define PHY_UPDATE_TIMEOUT 10000 @@ -2642,7 +2572,7 @@ int mv_miiphy_read(char *devname, unsigned char phy_addr, return false; } } - while ((reg_value & ETH_SMI_READ_VALID) != ETH_SMI_READ_VALID); /* Bit set equ operation done */ + while ((reg_value & ETH_SMI_READ_VALID) != ETH_SMI_READ_VALID); /* Bit set equ operation done */ /* Wait for the data to update in the SMI register */ for (time_out = 0; time_out < PHY_UPDATE_TIMEOUT; time_out++); @@ -2658,20 +2588,20 @@ int mv_miiphy_read(char *devname, unsigned char phy_addr, * eth_port_write_smi_reg - Write to PHY registers * * DESCRIPTION: - * This routine utilize the SMI interface to interact with the PHY in - * order to perform writes to PHY registers. + * This routine utilize the SMI interface to interact with the PHY in + * order to perform writes to PHY registers. * * INPUT: - * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. - * unsigned int phy_reg PHY register address offset. - * unsigned int value Register value. + * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. + * unsigned int phy_reg PHY register address offset. + * unsigned int value Register value. * * OUTPUT: - * Write the given value to the specified PHY register. + * Write the given value to the specified PHY register. * * RETURN: - * false if the PHY is busy. - * true otherwise. + * false if the PHY is busy. + * true otherwise. * *******************************************************************************/ static bool eth_port_write_smi_reg (ETH_PORT eth_port_num, @@ -2725,18 +2655,18 @@ int mv_miiphy_write(char *devname, unsigned char phy_addr, * eth_set_access_control - Config address decode parameters for Ethernet unit * * DESCRIPTION: - * This function configures the address decode parameters for the Gigabit - * Ethernet Controller according the given parameters struct. + * This function configures the address decode parameters for the Gigabit + * Ethernet Controller according the given parameters struct. * * INPUT: - * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. - * ETH_WIN_PARAM *param Address decode parameter struct. + * ETH_PORT eth_port_num Ethernet Port number. See ETH_PORT enum. + * ETH_WIN_PARAM *param Address decode parameter struct. * * OUTPUT: - * An access window is opened using the given access parameters. + * An access window is opened using the given access parameters. * * RETURN: - * None. + * None. * *******************************************************************************/ static void eth_set_access_control (ETH_PORT eth_port_num, @@ -2779,30 +2709,30 @@ static void eth_set_access_control (ETH_PORT eth_port_num, * ether_init_rx_desc_ring - Curve a Rx chain desc list and buffer in memory. * * DESCRIPTION: - * This function prepares a Rx chained list of descriptors and packet - * buffers in a form of a ring. The routine must be called after port - * initialization routine and before port start routine. - * The Ethernet SDMA engine uses CPU bus addresses to access the various - * devices in the system (i.e. DRAM). This function uses the ethernet - * struct 'virtual to physical' routine (set by the user) to set the ring - * with physical addresses. + * This function prepares a Rx chained list of descriptors and packet + * buffers in a form of a ring. The routine must be called after port + * initialization routine and before port start routine. + * The Ethernet SDMA engine uses CPU bus addresses to access the various + * devices in the system (i.e. DRAM). This function uses the ethernet + * struct 'virtual to physical' routine (set by the user) to set the ring + * with physical addresses. * * INPUT: - * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. - * ETH_QUEUE rx_queue Number of Rx queue. - * int rx_desc_num Number of Rx descriptors - * int rx_buff_size Size of Rx buffer - * unsigned int rx_desc_base_addr Rx descriptors memory area base addr. - * unsigned int rx_buff_base_addr Rx buffer memory area base addr. + * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. + * ETH_QUEUE rx_queue Number of Rx queue. + * int rx_desc_num Number of Rx descriptors + * int rx_buff_size Size of Rx buffer + * unsigned int rx_desc_base_addr Rx descriptors memory area base addr. + * unsigned int rx_buff_base_addr Rx buffer memory area base addr. * * OUTPUT: - * The routine updates the Ethernet port control struct with information - * regarding the Rx descriptors and buffers. + * The routine updates the Ethernet port control struct with information + * regarding the Rx descriptors and buffers. * * RETURN: - * false if the given descriptors memory area is not aligned according to - * Ethernet SDMA specifications. - * true otherwise. + * false if the given descriptors memory area is not aligned according to + * Ethernet SDMA specifications. + * true otherwise. * *******************************************************************************/ static bool ether_init_rx_desc_ring (ETH_PORT_INFO * p_eth_port_ctrl, @@ -2817,7 +2747,6 @@ static bool ether_init_rx_desc_ring (ETH_PORT_INFO * p_eth_port_ctrl, unsigned int buffer_addr; int ix; /* a counter */ - p_rx_desc = (ETH_RX_DESC *) rx_desc_base_addr; p_rx_prev_desc = p_rx_desc; buffer_addr = rx_buff_base_addr; @@ -2830,7 +2759,7 @@ static bool ether_init_rx_desc_ring (ETH_PORT_INFO * p_eth_port_ctrl, if ((rx_buff_size < 8) || (rx_buff_size > RX_BUFFER_MAX_SIZE)) return false; - /* Rx buffers must be 64-bit aligned. */ + /* Rx buffers must be 64-bit aligned. */ if ((rx_buff_base_addr + rx_buff_size) & 0x7) return false; @@ -2873,30 +2802,30 @@ static bool ether_init_rx_desc_ring (ETH_PORT_INFO * p_eth_port_ctrl, * ether_init_tx_desc_ring - Curve a Tx chain desc list and buffer in memory. * * DESCRIPTION: - * This function prepares a Tx chained list of descriptors and packet - * buffers in a form of a ring. The routine must be called after port - * initialization routine and before port start routine. - * The Ethernet SDMA engine uses CPU bus addresses to access the various - * devices in the system (i.e. DRAM). This function uses the ethernet - * struct 'virtual to physical' routine (set by the user) to set the ring - * with physical addresses. + * This function prepares a Tx chained list of descriptors and packet + * buffers in a form of a ring. The routine must be called after port + * initialization routine and before port start routine. + * The Ethernet SDMA engine uses CPU bus addresses to access the various + * devices in the system (i.e. DRAM). This function uses the ethernet + * struct 'virtual to physical' routine (set by the user) to set the ring + * with physical addresses. * * INPUT: - * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. - * ETH_QUEUE tx_queue Number of Tx queue. - * int tx_desc_num Number of Tx descriptors - * int tx_buff_size Size of Tx buffer - * unsigned int tx_desc_base_addr Tx descriptors memory area base addr. - * unsigned int tx_buff_base_addr Tx buffer memory area base addr. + * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. + * ETH_QUEUE tx_queue Number of Tx queue. + * int tx_desc_num Number of Tx descriptors + * int tx_buff_size Size of Tx buffer + * unsigned int tx_desc_base_addr Tx descriptors memory area base addr. + * unsigned int tx_buff_base_addr Tx buffer memory area base addr. * * OUTPUT: - * The routine updates the Ethernet port control struct with information - * regarding the Tx descriptors and buffers. + * The routine updates the Ethernet port control struct with information + * regarding the Tx descriptors and buffers. * * RETURN: - * false if the given descriptors memory area is not aligned according to - * Ethernet SDMA specifications. - * true otherwise. + * false if the given descriptors memory area is not aligned according to + * Ethernet SDMA specifications. + * true otherwise. * *******************************************************************************/ static bool ether_init_tx_desc_ring (ETH_PORT_INFO * p_eth_port_ctrl, @@ -2912,7 +2841,6 @@ static bool ether_init_tx_desc_ring (ETH_PORT_INFO * p_eth_port_ctrl, unsigned int buffer_addr; int ix; /* a counter */ - /* save the first desc pointer to link with the last descriptor */ p_tx_desc = (ETH_TX_DESC *) tx_desc_base_addr; p_tx_prev_desc = p_tx_desc; @@ -2968,27 +2896,27 @@ static bool ether_init_tx_desc_ring (ETH_PORT_INFO * p_eth_port_ctrl, * * DESCRIPTION: * This routine send a given packet described by p_pktinfo parameter. It - * supports transmitting of a packet spaned over multiple buffers. The - * routine updates 'curr' and 'first' indexes according to the packet - * segment passed to the routine. In case the packet segment is first, - * the 'first' index is update. In any case, the 'curr' index is updated. - * If the routine get into Tx resource error it assigns 'curr' index as - * 'first'. This way the function can abort Tx process of multiple - * descriptors per packet. + * supports transmitting of a packet spaned over multiple buffers. The + * routine updates 'curr' and 'first' indexes according to the packet + * segment passed to the routine. In case the packet segment is first, + * the 'first' index is update. In any case, the 'curr' index is updated. + * If the routine get into Tx resource error it assigns 'curr' index as + * 'first'. This way the function can abort Tx process of multiple + * descriptors per packet. * * INPUT: - * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. - * ETH_QUEUE tx_queue Number of Tx queue. - * PKT_INFO *p_pkt_info User packet buffer. + * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. + * ETH_QUEUE tx_queue Number of Tx queue. + * PKT_INFO *p_pkt_info User packet buffer. * * OUTPUT: * Tx ring 'curr' and 'first' indexes are updated. * * RETURN: - * ETH_QUEUE_FULL in case of Tx resource error. + * ETH_QUEUE_FULL in case of Tx resource error. * ETH_ERROR in case the routine can not access Tx desc ring. * ETH_QUEUE_LAST_RESOURCE if the routine uses the last Tx resource. - * ETH_OK otherwise. + * ETH_OK otherwise. * *******************************************************************************/ static ETH_FUNC_RET_STATUS eth_port_send (ETH_PORT_INFO * p_eth_port_ctrl, @@ -3026,7 +2954,7 @@ static ETH_FUNC_RET_STATUS eth_port_send (ETH_PORT_INFO * p_eth_port_ctrl, } /* Buffers with a payload smaller than 8 bytes must be aligned to 64-bit */ - /* boundary. We use the memory allocated for Tx descriptor. This memory */ + /* boundary. We use the memory allocated for Tx descriptor. This memory */ /* located in TX_BUF_OFFSET_IN_DESC offset within the Tx descriptor. */ if (p_pkt_info->byte_cnt <= 8) { printf ("You have failed in the < 8 bytes errata - fixme\n"); /* RABEEH - TBD */ @@ -3087,24 +3015,24 @@ static ETH_FUNC_RET_STATUS eth_port_send (ETH_PORT_INFO * p_eth_port_ctrl, * * DESCRIPTION: * This routine returns the transmitted packet information to the caller. - * It uses the 'first' index to support Tx desc return in case a transmit - * of a packet spanned over multiple buffer still in process. - * In case the Tx queue was in "resource error" condition, where there are - * no available Tx resources, the function resets the resource error flag. + * It uses the 'first' index to support Tx desc return in case a transmit + * of a packet spanned over multiple buffer still in process. + * In case the Tx queue was in "resource error" condition, where there are + * no available Tx resources, the function resets the resource error flag. * * INPUT: - * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. - * ETH_QUEUE tx_queue Number of Tx queue. - * PKT_INFO *p_pkt_info User packet buffer. + * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. + * ETH_QUEUE tx_queue Number of Tx queue. + * PKT_INFO *p_pkt_info User packet buffer. * * OUTPUT: * Tx ring 'first' and 'used' indexes are updated. * * RETURN: * ETH_ERROR in case the routine can not access Tx desc ring. - * ETH_RETRY in case there is transmission in process. + * ETH_RETRY in case there is transmission in process. * ETH_END_OF_JOB if the routine has nothing to release. - * ETH_OK otherwise. + * ETH_OK otherwise. * *******************************************************************************/ static ETH_FUNC_RET_STATUS eth_tx_return_desc (ETH_PORT_INFO * @@ -3116,12 +3044,10 @@ static ETH_FUNC_RET_STATUS eth_tx_return_desc (ETH_PORT_INFO * volatile ETH_TX_DESC *p_tx_desc_first = NULL; unsigned int command_status; - /* Get the Tx Desc ring indexes */ USED_TFD_GET (p_tx_desc_used, tx_queue); FIRST_TFD_GET (p_tx_desc_first, tx_queue); - /* Sanity check */ if (p_tx_desc_used == NULL) return ETH_ERROR; @@ -3163,16 +3089,16 @@ static ETH_FUNC_RET_STATUS eth_tx_return_desc (ETH_PORT_INFO * * eth_port_receive - Get received information from Rx ring. * * DESCRIPTION: - * This routine returns the received data to the caller. There is no + * This routine returns the received data to the caller. There is no * data copying during routine operation. All information is returned * using pointer to packet information struct passed from the caller. - * If the routine exhausts Rx ring resources then the resource error flag - * is set. + * If the routine exhausts Rx ring resources then the resource error flag + * is set. * * INPUT: - * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. - * ETH_QUEUE rx_queue Number of Rx queue. - * PKT_INFO *p_pkt_info User packet buffer. + * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. + * ETH_QUEUE rx_queue Number of Rx queue. + * PKT_INFO *p_pkt_info User packet buffer. * * OUTPUT: * Rx ring current and used indexes are updated. @@ -3181,7 +3107,7 @@ static ETH_FUNC_RET_STATUS eth_tx_return_desc (ETH_PORT_INFO * * ETH_ERROR in case the routine can not access Rx desc ring. * ETH_QUEUE_FULL if Rx ring resources are exhausted. * ETH_END_OF_JOB if there is no received data. - * ETH_OK otherwise. + * ETH_OK otherwise. * *******************************************************************************/ static ETH_FUNC_RET_STATUS eth_port_receive (ETH_PORT_INFO * p_eth_port_ctrl, @@ -3213,7 +3139,7 @@ static ETH_FUNC_RET_STATUS eth_port_receive (ETH_PORT_INFO * p_eth_port_ctrl, /* Nothing to receive... */ if (command_status & (ETH_BUFFER_OWNED_BY_DMA)) { -/* DP(printf("Rx: command_status: %08x\n", command_status)); */ +/* DP(printf("Rx: command_status: %08x\n", command_status)); */ D_CACHE_FLUSH_LINE ((unsigned int) p_rx_curr_desc, 0); /* DP(printf("\nETH_END_OF_JOB ...\n"));*/ return ETH_END_OF_JOB; @@ -3223,10 +3149,10 @@ static ETH_FUNC_RET_STATUS eth_port_receive (ETH_PORT_INFO * p_eth_port_ctrl, p_pkt_info->cmd_sts = command_status; p_pkt_info->buf_ptr = (p_rx_curr_desc->buf_ptr) + RX_BUF_OFFSET; p_pkt_info->return_info = p_rx_curr_desc->return_info; - p_pkt_info->l4i_chk = p_rx_curr_desc->buf_size; /* IP fragment indicator */ + p_pkt_info->l4i_chk = p_rx_curr_desc->buf_size; /* IP fragment indicator */ /* Clean the return info field to indicate that the packet has been */ - /* moved to the upper layers */ + /* moved to the upper layers */ p_rx_curr_desc->return_info = 0; /* Update 'curr' in data structure */ @@ -3247,21 +3173,21 @@ static ETH_FUNC_RET_STATUS eth_port_receive (ETH_PORT_INFO * p_eth_port_ctrl, * * DESCRIPTION: * This routine returns a Rx buffer back to the Rx ring. It retrieves the - * next 'used' descriptor and attached the returned buffer to it. - * In case the Rx ring was in "resource error" condition, where there are - * no available Rx resources, the function resets the resource error flag. + * next 'used' descriptor and attached the returned buffer to it. + * In case the Rx ring was in "resource error" condition, where there are + * no available Rx resources, the function resets the resource error flag. * * INPUT: - * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. - * ETH_QUEUE rx_queue Number of Rx queue. - * PKT_INFO *p_pkt_info Information on the returned buffer. + * ETH_PORT_INFO *p_eth_port_ctrl Ethernet Port Control srtuct. + * ETH_QUEUE rx_queue Number of Rx queue. + * PKT_INFO *p_pkt_info Information on the returned buffer. * * OUTPUT: * New available Rx resource in Rx descriptor ring. * * RETURN: * ETH_ERROR in case the routine can not access Rx desc ring. - * ETH_OK otherwise. + * ETH_OK otherwise. * *******************************************************************************/ static ETH_FUNC_RET_STATUS eth_rx_return_buff (ETH_PORT_INFO * @@ -3316,9 +3242,9 @@ static ETH_FUNC_RET_STATUS eth_rx_return_buff (ETH_PORT_INFO * * , and the required delay of the interrupt in usec. * * INPUT: - * ETH_PORT eth_port_num Ethernet port number - * unsigned int t_clk t_clk of the MV-643xx chip in HZ units - * unsigned int delay Delay in usec + * ETH_PORT eth_port_num Ethernet port number + * unsigned int t_clk t_clk of the MV-643xx chip in HZ units + * unsigned int delay Delay in usec * * OUTPUT: * Interrupt coalescing mechanism value is set in MV-643xx chip. @@ -3357,9 +3283,9 @@ static unsigned int eth_port_set_rx_coal (ETH_PORT eth_port_num, * MV-643xx chip and the required delay in the interrupt in uSec * * INPUT: - * ETH_PORT eth_port_num Ethernet port number - * unsigned int t_clk t_clk of the MV-643xx chip in HZ units - * unsigned int delay Delay in uSeconds + * ETH_PORT eth_port_num Ethernet port number + * unsigned int t_clk t_clk of the MV-643xx chip in HZ units + * unsigned int delay Delay in uSeconds * * OUTPUT: * Interrupt coalescing mechanism value is set in MV-643xx chip. @@ -3387,20 +3313,20 @@ static unsigned int eth_port_set_tx_coal (ETH_PORT eth_port_num, * eth_b_copy - Copy bytes from source to destination * * DESCRIPTION: - * This function supports the eight bytes limitation on Tx buffer size. - * The routine will zero eight bytes starting from the destination address - * followed by copying bytes from the source address to the destination. + * This function supports the eight bytes limitation on Tx buffer size. + * The routine will zero eight bytes starting from the destination address + * followed by copying bytes from the source address to the destination. * * INPUT: - * unsigned int src_addr 32 bit source address. - * unsigned int dst_addr 32 bit destination address. - * int byte_count Number of bytes to copy. + * unsigned int src_addr 32 bit source address. + * unsigned int dst_addr 32 bit destination address. + * int byte_count Number of bytes to copy. * * OUTPUT: - * See description. + * See description. * * RETURN: - * None. + * None. * *******************************************************************************/ static void eth_b_copy (unsigned int src_addr, unsigned int dst_addr, |