*
* 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
#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
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 */
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],
}
#endif
-
-
/**********************************************************************
* mv64460_eth_print_phy_status
*
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)
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);
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);
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);
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);
return 1;
}
-
static int mv64460_eth_free_tx_rings (struct eth_device *dev)
{
unsigned int queue;
(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_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
return 0;
}
-
/**********************************************************************
* mv64460_eth_start_xmit
*
* 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
**********************************************************************/
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 */
}
} while (release_result == ETH_OK);
- return 0; /* success */
-
- error:
- return 1; /* Failed - higher layers will free the skb */
+ return 0; /* success */
}
/**********************************************************************
* 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
**********************************************************************/
return port_private->stats;
}
-
/**********************************************************************
* mv64460_eth_update_stat
*
/* detailed tx errors */
}
-#ifndef UPDATE_STATS_BY_SOFTWARE
+#ifndef UPDATE_STATS_BY_SOFTWARE
/**********************************************************************
* mv64460_eth_print_stat
*
/*************************************************************************
**************************************************************************
**************************************************************************
-* 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. *
**************************************************************************
**************************************************************************
*************************************************************************/
* 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
* 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').
*
* 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:
*
* This macro applies assembly code to flush and invalidate cache
* line.
- * address - address base.
+ * address - address base.
* address offset - address offset
*
*
* 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)
/* 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;
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
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
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
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
* 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)
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);
* 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.
* 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
* 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.
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) |
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] ^
* 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.
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;
* 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.
* 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)
* 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)
* 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,
* 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)
* 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)
* 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)
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 */
* 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)
* 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,
* 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,
* 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)
* 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,
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
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++);
* 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,
* 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,
* 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,
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;
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;
* 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,
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;
*
* 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,
}
/* 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 */
*
* 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 *
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;
* 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.
* 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,
/* 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;
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 */
*
* 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 *
* , 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.
* 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.
* 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,
projects / karo-tx-uboot.git / commitdiff