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author | David S. Miller <davem@davemloft.net> | 2008-03-27 18:48:56 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-03-27 18:48:56 -0700 |
commit | 8e8e43843ba3ced0c657cbc0fdb10644ec60f772 (patch) | |
tree | e64954326ced9c365c52c256f01b5f9fb1bcae66 /drivers/net/igb | |
parent | ed85f2c3b2b72bd20f617ac749f5c22be8d0f66e (diff) | |
parent | 50fd4407b8bfbde7c1a0bfe4f24de7df37164342 (diff) | |
download | linux-8e8e43843ba3ced0c657cbc0fdb10644ec60f772.tar.gz linux-8e8e43843ba3ced0c657cbc0fdb10644ec60f772.tar.bz2 linux-8e8e43843ba3ced0c657cbc0fdb10644ec60f772.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/usb/rndis_host.c
drivers/net/wireless/b43/dma.c
net/ipv6/ndisc.c
Diffstat (limited to 'drivers/net/igb')
-rw-r--r-- | drivers/net/igb/e1000_82575.h | 42 | ||||
-rw-r--r-- | drivers/net/igb/e1000_hw.h | 82 | ||||
-rw-r--r-- | drivers/net/igb/igb_main.c | 21 |
3 files changed, 74 insertions, 71 deletions
diff --git a/drivers/net/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h index 6604d96bd567..76ea846663db 100644 --- a/drivers/net/igb/e1000_82575.h +++ b/drivers/net/igb/e1000_82575.h @@ -61,28 +61,28 @@ /* Receive Descriptor - Advanced */ union e1000_adv_rx_desc { struct { - u64 pkt_addr; /* Packet buffer address */ - u64 hdr_addr; /* Header buffer address */ + __le64 pkt_addr; /* Packet buffer address */ + __le64 hdr_addr; /* Header buffer address */ } read; struct { struct { struct { - u16 pkt_info; /* RSS type, Packet type */ - u16 hdr_info; /* Split Header, - * header buffer length */ + __le16 pkt_info; /* RSS type, Packet type */ + __le16 hdr_info; /* Split Header, + * header buffer length */ } lo_dword; union { - u32 rss; /* RSS Hash */ + __le32 rss; /* RSS Hash */ struct { - u16 ip_id; /* IP id */ - u16 csum; /* Packet Checksum */ + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ } csum_ip; } hi_dword; } lower; struct { - u32 status_error; /* ext status/error */ - u16 length; /* Packet length */ - u16 vlan; /* VLAN tag */ + __le32 status_error; /* ext status/error */ + __le16 length; /* Packet length */ + __le16 vlan; /* VLAN tag */ } upper; } wb; /* writeback */ }; @@ -97,14 +97,14 @@ union e1000_adv_rx_desc { /* Transmit Descriptor - Advanced */ union e1000_adv_tx_desc { struct { - u64 buffer_addr; /* Address of descriptor's data buf */ - u32 cmd_type_len; - u32 olinfo_status; + __le64 buffer_addr; /* Address of descriptor's data buf */ + __le32 cmd_type_len; + __le32 olinfo_status; } read; struct { - u64 rsvd; /* Reserved */ - u32 nxtseq_seed; - u32 status; + __le64 rsvd; /* Reserved */ + __le32 nxtseq_seed; + __le32 status; } wb; }; @@ -119,10 +119,10 @@ union e1000_adv_tx_desc { /* Context descriptors */ struct e1000_adv_tx_context_desc { - u32 vlan_macip_lens; - u32 seqnum_seed; - u32 type_tucmd_mlhl; - u32 mss_l4len_idx; + __le32 vlan_macip_lens; + __le32 seqnum_seed; + __le32 type_tucmd_mlhl; + __le32 mss_l4len_idx; }; #define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */ diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h index 161fb68764af..7b2c70a3b8cc 100644 --- a/drivers/net/igb/e1000_hw.h +++ b/drivers/net/igb/e1000_hw.h @@ -143,35 +143,35 @@ enum e1000_fc_type { /* Receive Descriptor */ struct e1000_rx_desc { - u64 buffer_addr; /* Address of the descriptor's data buffer */ - u16 length; /* Length of data DMAed into data buffer */ - u16 csum; /* Packet checksum */ + __le64 buffer_addr; /* Address of the descriptor's data buffer */ + __le16 length; /* Length of data DMAed into data buffer */ + __le16 csum; /* Packet checksum */ u8 status; /* Descriptor status */ u8 errors; /* Descriptor Errors */ - u16 special; + __le16 special; }; /* Receive Descriptor - Extended */ union e1000_rx_desc_extended { struct { - u64 buffer_addr; - u64 reserved; + __le64 buffer_addr; + __le64 reserved; } read; struct { struct { - u32 mrq; /* Multiple Rx Queues */ + __le32 mrq; /* Multiple Rx Queues */ union { - u32 rss; /* RSS Hash */ + __le32 rss; /* RSS Hash */ struct { - u16 ip_id; /* IP id */ - u16 csum; /* Packet Checksum */ + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ } csum_ip; } hi_dword; } lower; struct { - u32 status_error; /* ext status/error */ - u16 length; - u16 vlan; /* VLAN tag */ + __le32 status_error; /* ext status/error */ + __le16 length; + __le16 vlan; /* VLAN tag */ } upper; } wb; /* writeback */ }; @@ -181,49 +181,49 @@ union e1000_rx_desc_extended { union e1000_rx_desc_packet_split { struct { /* one buffer for protocol header(s), three data buffers */ - u64 buffer_addr[MAX_PS_BUFFERS]; + __le64 buffer_addr[MAX_PS_BUFFERS]; } read; struct { struct { - u32 mrq; /* Multiple Rx Queues */ + __le32 mrq; /* Multiple Rx Queues */ union { - u32 rss; /* RSS Hash */ + __le32 rss; /* RSS Hash */ struct { - u16 ip_id; /* IP id */ - u16 csum; /* Packet Checksum */ + __le16 ip_id; /* IP id */ + __le16 csum; /* Packet Checksum */ } csum_ip; } hi_dword; } lower; struct { - u32 status_error; /* ext status/error */ - u16 length0; /* length of buffer 0 */ - u16 vlan; /* VLAN tag */ + __le32 status_error; /* ext status/error */ + __le16 length0; /* length of buffer 0 */ + __le16 vlan; /* VLAN tag */ } middle; struct { - u16 header_status; - u16 length[3]; /* length of buffers 1-3 */ + __le16 header_status; + __le16 length[3]; /* length of buffers 1-3 */ } upper; - u64 reserved; + __le64 reserved; } wb; /* writeback */ }; /* Transmit Descriptor */ struct e1000_tx_desc { - u64 buffer_addr; /* Address of the descriptor's data buffer */ + __le64 buffer_addr; /* Address of the descriptor's data buffer */ union { - u32 data; + __le32 data; struct { - u16 length; /* Data buffer length */ + __le16 length; /* Data buffer length */ u8 cso; /* Checksum offset */ u8 cmd; /* Descriptor control */ } flags; } lower; union { - u32 data; + __le32 data; struct { u8 status; /* Descriptor status */ u8 css; /* Checksum start */ - u16 special; + __le16 special; } fields; } upper; }; @@ -231,49 +231,49 @@ struct e1000_tx_desc { /* Offload Context Descriptor */ struct e1000_context_desc { union { - u32 ip_config; + __le32 ip_config; struct { u8 ipcss; /* IP checksum start */ u8 ipcso; /* IP checksum offset */ - u16 ipcse; /* IP checksum end */ + __le16 ipcse; /* IP checksum end */ } ip_fields; } lower_setup; union { - u32 tcp_config; + __le32 tcp_config; struct { u8 tucss; /* TCP checksum start */ u8 tucso; /* TCP checksum offset */ - u16 tucse; /* TCP checksum end */ + __le16 tucse; /* TCP checksum end */ } tcp_fields; } upper_setup; - u32 cmd_and_length; + __le32 cmd_and_length; union { - u32 data; + __le32 data; struct { u8 status; /* Descriptor status */ u8 hdr_len; /* Header length */ - u16 mss; /* Maximum segment size */ + __le16 mss; /* Maximum segment size */ } fields; } tcp_seg_setup; }; /* Offload data descriptor */ struct e1000_data_desc { - u64 buffer_addr; /* Address of the descriptor's buffer address */ + __le64 buffer_addr; /* Address of the descriptor's buffer address */ union { - u32 data; + __le32 data; struct { - u16 length; /* Data buffer length */ + __le16 length; /* Data buffer length */ u8 typ_len_ext; u8 cmd; } flags; } lower; union { - u32 data; + __le32 data; struct { u8 status; /* Descriptor status */ u8 popts; /* Packet Options */ - u16 special; + __le16 special; } fields; } upper; }; diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 928ce8287e69..aaee02e9e3f0 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -3254,6 +3254,13 @@ quit_polling: return 1; } + +static inline u32 get_head(struct igb_ring *tx_ring) +{ + void *end = (struct e1000_tx_desc *)tx_ring->desc + tx_ring->count; + return le32_to_cpu(*(volatile __le32 *)end); +} + /** * igb_clean_tx_irq - Reclaim resources after transmit completes * @adapter: board private structure @@ -3275,9 +3282,7 @@ static bool igb_clean_tx_irq(struct igb_adapter *adapter, unsigned int total_bytes = 0, total_packets = 0; rmb(); - head = *(volatile u32 *)((struct e1000_tx_desc *)tx_ring->desc - + tx_ring->count); - head = le32_to_cpu(head); + head = get_head(tx_ring); i = tx_ring->next_to_clean; while (1) { while (i != head) { @@ -3312,9 +3317,7 @@ static bool igb_clean_tx_irq(struct igb_adapter *adapter, } oldhead = head; rmb(); - head = *(volatile u32 *)((struct e1000_tx_desc *)tx_ring->desc - + tx_ring->count); - head = le32_to_cpu(head); + head = get_head(tx_ring); if (head == oldhead) goto done_cleaning; } /* while (1) */ @@ -3388,7 +3391,7 @@ done_cleaning: * @vlan: descriptor vlan field as written by hardware (no le/be conversion) * @skb: pointer to sk_buff to be indicated to stack **/ -static void igb_receive_skb(struct igb_adapter *adapter, u8 status, u16 vlan, +static void igb_receive_skb(struct igb_adapter *adapter, u8 status, __le16 vlan, struct sk_buff *skb) { if (adapter->vlgrp && (status & E1000_RXD_STAT_VP)) @@ -3452,8 +3455,8 @@ static bool igb_clean_rx_irq_adv(struct igb_adapter *adapter, * that case, it fills the header buffer and spills the rest * into the page. */ - hlen = le16_to_cpu((rx_desc->wb.lower.lo_dword.hdr_info & - E1000_RXDADV_HDRBUFLEN_MASK) >> E1000_RXDADV_HDRBUFLEN_SHIFT); + hlen = (le16_to_cpu(rx_desc->wb.lower.lo_dword.hdr_info) & + E1000_RXDADV_HDRBUFLEN_MASK) >> E1000_RXDADV_HDRBUFLEN_SHIFT; if (hlen > adapter->rx_ps_hdr_size) hlen = adapter->rx_ps_hdr_size; |