diff options
Diffstat (limited to 'drivers/net/mv643xx_eth.c')
| -rw-r--r-- | drivers/net/mv643xx_eth.c | 82 |
1 files changed, 28 insertions, 54 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 6324556ccb67..307cfbeb2d47 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -176,57 +176,6 @@ static char mv643xx_driver_version[] = "1.0"; #define ETH_SMI_OPCODE_WRITE 0 /* Completion of Read */ #define ETH_SMI_OPCODE_READ 0x04000000 /* Operation is in progress */ -/* Interrupt Cause Register Bit Definitions */ - -/* SDMA command status fields macros */ - -/* Tx & Rx descriptors status */ -#define ETH_ERROR_SUMMARY 0x00000001 - -/* Tx & Rx descriptors command */ -#define ETH_BUFFER_OWNED_BY_DMA 0x80000000 - -/* Tx descriptors status */ -#define ETH_LC_ERROR 0 -#define ETH_UR_ERROR 0x00000002 -#define ETH_RL_ERROR 0x00000004 -#define ETH_LLC_SNAP_FORMAT 0x00000200 - -/* Rx descriptors status */ -#define ETH_OVERRUN_ERROR 0x00000002 -#define ETH_MAX_FRAME_LENGTH_ERROR 0x00000004 -#define ETH_RESOURCE_ERROR 0x00000006 -#define ETH_VLAN_TAGGED 0x00080000 -#define ETH_BPDU_FRAME 0x00100000 -#define ETH_UDP_FRAME_OVER_IP_V_4 0x00200000 -#define ETH_OTHER_FRAME_TYPE 0x00400000 -#define ETH_LAYER_2_IS_ETH_V_2 0x00800000 -#define ETH_FRAME_TYPE_IP_V_4 0x01000000 -#define ETH_FRAME_HEADER_OK 0x02000000 -#define ETH_RX_LAST_DESC 0x04000000 -#define ETH_RX_FIRST_DESC 0x08000000 -#define ETH_UNKNOWN_DESTINATION_ADDR 0x10000000 -#define ETH_RX_ENABLE_INTERRUPT 0x20000000 -#define ETH_LAYER_4_CHECKSUM_OK 0x40000000 - -/* Rx descriptors byte count */ -#define ETH_FRAME_FRAGMENTED 0x00000004 - -/* Tx descriptors command */ -#define ETH_LAYER_4_CHECKSUM_FIRST_DESC 0x00000400 -#define ETH_FRAME_SET_TO_VLAN 0x00008000 -#define ETH_UDP_FRAME 0x00010000 -#define ETH_GEN_TCP_UDP_CHECKSUM 0x00020000 -#define ETH_GEN_IP_V_4_CHECKSUM 0x00040000 -#define ETH_ZERO_PADDING 0x00080000 -#define ETH_TX_LAST_DESC 0x00100000 -#define ETH_TX_FIRST_DESC 0x00200000 -#define ETH_GEN_CRC 0x00400000 -#define ETH_TX_ENABLE_INTERRUPT 0x00800000 -#define ETH_AUTO_MODE 0x40000000 - -#define ETH_TX_IHL_SHIFT 11 - /* typedefs */ typedef enum _eth_func_ret_status { @@ -238,8 +187,8 @@ typedef enum _eth_func_ret_status { ETH_QUEUE_LAST_RESOURCE /* Ring resources about to exhaust. */ } ETH_FUNC_RET_STATUS; -/* These are for big-endian machines. Little endian needs different - * definitions. +/* + * RX/TX descriptors. */ #if defined(__BIG_ENDIAN) struct eth_rx_desc { @@ -277,6 +226,31 @@ struct eth_tx_desc { #error One of __BIG_ENDIAN or __LITTLE_ENDIAN must be defined #endif +/* RX & TX descriptor command */ +#define ETH_BUFFER_OWNED_BY_DMA 0x80000000 + +/* RX & TX descriptor status */ +#define ETH_ERROR_SUMMARY 0x00000001 + +/* RX descriptor status */ +#define ETH_LAYER_4_CHECKSUM_OK 0x40000000 +#define ETH_RX_ENABLE_INTERRUPT 0x20000000 +#define ETH_RX_FIRST_DESC 0x08000000 +#define ETH_RX_LAST_DESC 0x04000000 + +/* TX descriptor command */ +#define ETH_TX_ENABLE_INTERRUPT 0x00800000 +#define ETH_GEN_CRC 0x00400000 +#define ETH_TX_FIRST_DESC 0x00200000 +#define ETH_TX_LAST_DESC 0x00100000 +#define ETH_ZERO_PADDING 0x00080000 +#define ETH_GEN_IP_V4_CHECKSUM 0x00040000 +#define ETH_GEN_TCP_UDP_CHECKSUM 0x00020000 +#define ETH_UDP_FRAME 0x00010000 + +#define ETH_TX_IHL_SHIFT 11 + + /* Unified struct for Rx and Tx operations. The user is not required to */ /* be familier with neither Tx nor Rx descriptors. */ struct pkt_info { @@ -905,7 +879,7 @@ static void eth_tx_submit_descs_for_skb(struct mv643xx_private *mp, BUG_ON(skb->protocol != htons(ETH_P_IP)); cmd_sts |= ETH_GEN_TCP_UDP_CHECKSUM | - ETH_GEN_IP_V_4_CHECKSUM | + ETH_GEN_IP_V4_CHECKSUM | ip_hdr(skb)->ihl << ETH_TX_IHL_SHIFT; switch (ip_hdr(skb)->protocol) { |