diff options
author | Al Viro <viro@ftp.linux.org.uk> | 2007-12-10 13:32:49 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-01-28 18:07:15 -0500 |
commit | aaf918ba8cf941a6aa7dc52c307470b48259a751 (patch) | |
tree | 8a4e0b20323e00166f4c62d6e633700a9a9fd575 /drivers/net/e100.c | |
parent | 5bb7ea26148369315492c3dfc43c3b6366a9f279 (diff) |
e100 endianness annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/e100.c')
-rw-r--r-- | drivers/net/e100.c | 72 |
1 files changed, 35 insertions, 37 deletions
diff --git a/drivers/net/e100.c b/drivers/net/e100.c index d87636dbdea5..51cf577035be 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c | |||
@@ -401,12 +401,12 @@ enum cb_command { | |||
401 | }; | 401 | }; |
402 | 402 | ||
403 | struct rfd { | 403 | struct rfd { |
404 | u16 status; | 404 | __le16 status; |
405 | u16 command; | 405 | __le16 command; |
406 | u32 link; | 406 | __le32 link; |
407 | u32 rbd; | 407 | __le32 rbd; |
408 | u16 actual_size; | 408 | __le16 actual_size; |
409 | u16 size; | 409 | __le16 size; |
410 | }; | 410 | }; |
411 | 411 | ||
412 | struct rx { | 412 | struct rx { |
@@ -461,19 +461,19 @@ struct config { | |||
461 | 461 | ||
462 | #define E100_MAX_MULTICAST_ADDRS 64 | 462 | #define E100_MAX_MULTICAST_ADDRS 64 |
463 | struct multi { | 463 | struct multi { |
464 | u16 count; | 464 | __le16 count; |
465 | u8 addr[E100_MAX_MULTICAST_ADDRS * ETH_ALEN + 2/*pad*/]; | 465 | u8 addr[E100_MAX_MULTICAST_ADDRS * ETH_ALEN + 2/*pad*/]; |
466 | }; | 466 | }; |
467 | 467 | ||
468 | /* Important: keep total struct u32-aligned */ | 468 | /* Important: keep total struct u32-aligned */ |
469 | #define UCODE_SIZE 134 | 469 | #define UCODE_SIZE 134 |
470 | struct cb { | 470 | struct cb { |
471 | u16 status; | 471 | __le16 status; |
472 | u16 command; | 472 | __le16 command; |
473 | u32 link; | 473 | __le32 link; |
474 | union { | 474 | union { |
475 | u8 iaaddr[ETH_ALEN]; | 475 | u8 iaaddr[ETH_ALEN]; |
476 | u32 ucode[UCODE_SIZE]; | 476 | __le32 ucode[UCODE_SIZE]; |
477 | struct config config; | 477 | struct config config; |
478 | struct multi multi; | 478 | struct multi multi; |
479 | struct { | 479 | struct { |
@@ -482,12 +482,12 @@ struct cb { | |||
482 | u8 threshold; | 482 | u8 threshold; |
483 | u8 tbd_count; | 483 | u8 tbd_count; |
484 | struct { | 484 | struct { |
485 | u32 buf_addr; | 485 | __le32 buf_addr; |
486 | u16 size; | 486 | __le16 size; |
487 | u16 eol; | 487 | u16 eol; |
488 | } tbd; | 488 | } tbd; |
489 | } tcb; | 489 | } tcb; |
490 | u32 dump_buffer_addr; | 490 | __le32 dump_buffer_addr; |
491 | } u; | 491 | } u; |
492 | struct cb *next, *prev; | 492 | struct cb *next, *prev; |
493 | dma_addr_t dma_addr; | 493 | dma_addr_t dma_addr; |
@@ -499,15 +499,15 @@ enum loopback { | |||
499 | }; | 499 | }; |
500 | 500 | ||
501 | struct stats { | 501 | struct stats { |
502 | u32 tx_good_frames, tx_max_collisions, tx_late_collisions, | 502 | __le32 tx_good_frames, tx_max_collisions, tx_late_collisions, |
503 | tx_underruns, tx_lost_crs, tx_deferred, tx_single_collisions, | 503 | tx_underruns, tx_lost_crs, tx_deferred, tx_single_collisions, |
504 | tx_multiple_collisions, tx_total_collisions; | 504 | tx_multiple_collisions, tx_total_collisions; |
505 | u32 rx_good_frames, rx_crc_errors, rx_alignment_errors, | 505 | __le32 rx_good_frames, rx_crc_errors, rx_alignment_errors, |
506 | rx_resource_errors, rx_overrun_errors, rx_cdt_errors, | 506 | rx_resource_errors, rx_overrun_errors, rx_cdt_errors, |
507 | rx_short_frame_errors; | 507 | rx_short_frame_errors; |
508 | u32 fc_xmt_pause, fc_rcv_pause, fc_rcv_unsupported; | 508 | __le32 fc_xmt_pause, fc_rcv_pause, fc_rcv_unsupported; |
509 | u16 xmt_tco_frames, rcv_tco_frames; | 509 | __le16 xmt_tco_frames, rcv_tco_frames; |
510 | u32 complete; | 510 | __le32 complete; |
511 | }; | 511 | }; |
512 | 512 | ||
513 | struct mem { | 513 | struct mem { |
@@ -552,7 +552,7 @@ struct nic { | |||
552 | struct cb *cb_to_use; | 552 | struct cb *cb_to_use; |
553 | struct cb *cb_to_send; | 553 | struct cb *cb_to_send; |
554 | struct cb *cb_to_clean; | 554 | struct cb *cb_to_clean; |
555 | u16 tx_command; | 555 | __le16 tx_command; |
556 | /* End: frequently used values: keep adjacent for cache effect */ | 556 | /* End: frequently used values: keep adjacent for cache effect */ |
557 | 557 | ||
558 | enum { | 558 | enum { |
@@ -593,7 +593,7 @@ struct nic { | |||
593 | 593 | ||
594 | u16 leds; | 594 | u16 leds; |
595 | u16 eeprom_wc; | 595 | u16 eeprom_wc; |
596 | u16 eeprom[256]; | 596 | __le16 eeprom[256]; |
597 | spinlock_t mdio_lock; | 597 | spinlock_t mdio_lock; |
598 | }; | 598 | }; |
599 | 599 | ||
@@ -671,7 +671,7 @@ static int e100_self_test(struct nic *nic) | |||
671 | return 0; | 671 | return 0; |
672 | } | 672 | } |
673 | 673 | ||
674 | static void e100_eeprom_write(struct nic *nic, u16 addr_len, u16 addr, u16 data) | 674 | static void e100_eeprom_write(struct nic *nic, u16 addr_len, u16 addr, __le16 data) |
675 | { | 675 | { |
676 | u32 cmd_addr_data[3]; | 676 | u32 cmd_addr_data[3]; |
677 | u8 ctrl; | 677 | u8 ctrl; |
@@ -680,7 +680,7 @@ static void e100_eeprom_write(struct nic *nic, u16 addr_len, u16 addr, u16 data) | |||
680 | /* Three cmds: write/erase enable, write data, write/erase disable */ | 680 | /* Three cmds: write/erase enable, write data, write/erase disable */ |
681 | cmd_addr_data[0] = op_ewen << (addr_len - 2); | 681 | cmd_addr_data[0] = op_ewen << (addr_len - 2); |
682 | cmd_addr_data[1] = (((op_write << addr_len) | addr) << 16) | | 682 | cmd_addr_data[1] = (((op_write << addr_len) | addr) << 16) | |
683 | cpu_to_le16(data); | 683 | le16_to_cpu(data); |
684 | cmd_addr_data[2] = op_ewds << (addr_len - 2); | 684 | cmd_addr_data[2] = op_ewds << (addr_len - 2); |
685 | 685 | ||
686 | /* Bit-bang cmds to write word to eeprom */ | 686 | /* Bit-bang cmds to write word to eeprom */ |
@@ -709,7 +709,7 @@ static void e100_eeprom_write(struct nic *nic, u16 addr_len, u16 addr, u16 data) | |||
709 | }; | 709 | }; |
710 | 710 | ||
711 | /* General technique stolen from the eepro100 driver - very clever */ | 711 | /* General technique stolen from the eepro100 driver - very clever */ |
712 | static u16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr) | 712 | static __le16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr) |
713 | { | 713 | { |
714 | u32 cmd_addr_data; | 714 | u32 cmd_addr_data; |
715 | u16 data = 0; | 715 | u16 data = 0; |
@@ -746,7 +746,7 @@ static u16 e100_eeprom_read(struct nic *nic, u16 *addr_len, u16 addr) | |||
746 | iowrite8(0, &nic->csr->eeprom_ctrl_lo); | 746 | iowrite8(0, &nic->csr->eeprom_ctrl_lo); |
747 | e100_write_flush(nic); udelay(4); | 747 | e100_write_flush(nic); udelay(4); |
748 | 748 | ||
749 | return le16_to_cpu(data); | 749 | return cpu_to_le16(data); |
750 | }; | 750 | }; |
751 | 751 | ||
752 | /* Load entire EEPROM image into driver cache and validate checksum */ | 752 | /* Load entire EEPROM image into driver cache and validate checksum */ |
@@ -761,13 +761,12 @@ static int e100_eeprom_load(struct nic *nic) | |||
761 | for(addr = 0; addr < nic->eeprom_wc; addr++) { | 761 | for(addr = 0; addr < nic->eeprom_wc; addr++) { |
762 | nic->eeprom[addr] = e100_eeprom_read(nic, &addr_len, addr); | 762 | nic->eeprom[addr] = e100_eeprom_read(nic, &addr_len, addr); |
763 | if(addr < nic->eeprom_wc - 1) | 763 | if(addr < nic->eeprom_wc - 1) |
764 | checksum += cpu_to_le16(nic->eeprom[addr]); | 764 | checksum += le16_to_cpu(nic->eeprom[addr]); |
765 | } | 765 | } |
766 | 766 | ||
767 | /* The checksum, stored in the last word, is calculated such that | 767 | /* The checksum, stored in the last word, is calculated such that |
768 | * the sum of words should be 0xBABA */ | 768 | * the sum of words should be 0xBABA */ |
769 | checksum = le16_to_cpu(0xBABA - checksum); | 769 | if (cpu_to_le16(0xBABA - checksum) != nic->eeprom[nic->eeprom_wc - 1]) { |
770 | if(checksum != nic->eeprom[nic->eeprom_wc - 1]) { | ||
771 | DPRINTK(PROBE, ERR, "EEPROM corrupted\n"); | 770 | DPRINTK(PROBE, ERR, "EEPROM corrupted\n"); |
772 | if (!eeprom_bad_csum_allow) | 771 | if (!eeprom_bad_csum_allow) |
773 | return -EAGAIN; | 772 | return -EAGAIN; |
@@ -794,8 +793,8 @@ static int e100_eeprom_save(struct nic *nic, u16 start, u16 count) | |||
794 | /* The checksum, stored in the last word, is calculated such that | 793 | /* The checksum, stored in the last word, is calculated such that |
795 | * the sum of words should be 0xBABA */ | 794 | * the sum of words should be 0xBABA */ |
796 | for(addr = 0; addr < nic->eeprom_wc - 1; addr++) | 795 | for(addr = 0; addr < nic->eeprom_wc - 1; addr++) |
797 | checksum += cpu_to_le16(nic->eeprom[addr]); | 796 | checksum += le16_to_cpu(nic->eeprom[addr]); |
798 | nic->eeprom[nic->eeprom_wc - 1] = le16_to_cpu(0xBABA - checksum); | 797 | nic->eeprom[nic->eeprom_wc - 1] = cpu_to_le16(0xBABA - checksum); |
799 | e100_eeprom_write(nic, addr_len, nic->eeprom_wc - 1, | 798 | e100_eeprom_write(nic, addr_len, nic->eeprom_wc - 1, |
800 | nic->eeprom[nic->eeprom_wc - 1]); | 799 | nic->eeprom[nic->eeprom_wc - 1]); |
801 | 800 | ||
@@ -1493,15 +1492,15 @@ static void e100_update_stats(struct nic *nic) | |||
1493 | struct net_device *dev = nic->netdev; | 1492 | struct net_device *dev = nic->netdev; |
1494 | struct net_device_stats *ns = &dev->stats; | 1493 | struct net_device_stats *ns = &dev->stats; |
1495 | struct stats *s = &nic->mem->stats; | 1494 | struct stats *s = &nic->mem->stats; |
1496 | u32 *complete = (nic->mac < mac_82558_D101_A4) ? &s->fc_xmt_pause : | 1495 | __le32 *complete = (nic->mac < mac_82558_D101_A4) ? &s->fc_xmt_pause : |
1497 | (nic->mac < mac_82559_D101M) ? (u32 *)&s->xmt_tco_frames : | 1496 | (nic->mac < mac_82559_D101M) ? (__le32 *)&s->xmt_tco_frames : |
1498 | &s->complete; | 1497 | &s->complete; |
1499 | 1498 | ||
1500 | /* Device's stats reporting may take several microseconds to | 1499 | /* Device's stats reporting may take several microseconds to |
1501 | * complete, so where always waiting for results of the | 1500 | * complete, so where always waiting for results of the |
1502 | * previous command. */ | 1501 | * previous command. */ |
1503 | 1502 | ||
1504 | if(*complete == le32_to_cpu(cuc_dump_reset_complete)) { | 1503 | if(*complete == cpu_to_le32(cuc_dump_reset_complete)) { |
1505 | *complete = 0; | 1504 | *complete = 0; |
1506 | nic->tx_frames = le32_to_cpu(s->tx_good_frames); | 1505 | nic->tx_frames = le32_to_cpu(s->tx_good_frames); |
1507 | nic->tx_collisions = le32_to_cpu(s->tx_total_collisions); | 1506 | nic->tx_collisions = le32_to_cpu(s->tx_total_collisions); |
@@ -1791,7 +1790,7 @@ static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx) | |||
1791 | rx->dma_addr = pci_map_single(nic->pdev, rx->skb->data, | 1790 | rx->dma_addr = pci_map_single(nic->pdev, rx->skb->data, |
1792 | RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL); | 1791 | RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL); |
1793 | 1792 | ||
1794 | if(pci_dma_mapping_error(rx->dma_addr)) { | 1793 | if (pci_dma_mapping_error(rx->dma_addr)) { |
1795 | dev_kfree_skb_any(rx->skb); | 1794 | dev_kfree_skb_any(rx->skb); |
1796 | rx->skb = NULL; | 1795 | rx->skb = NULL; |
1797 | rx->dma_addr = 0; | 1796 | rx->dma_addr = 0; |
@@ -1801,10 +1800,9 @@ static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx) | |||
1801 | /* Link the RFD to end of RFA by linking previous RFD to | 1800 | /* Link the RFD to end of RFA by linking previous RFD to |
1802 | * this one. We are safe to touch the previous RFD because | 1801 | * this one. We are safe to touch the previous RFD because |
1803 | * it is protected by the before last buffer's el bit being set */ | 1802 | * it is protected by the before last buffer's el bit being set */ |
1804 | if(rx->prev->skb) { | 1803 | if (rx->prev->skb) { |
1805 | struct rfd *prev_rfd = (struct rfd *)rx->prev->skb->data; | 1804 | struct rfd *prev_rfd = (struct rfd *)rx->prev->skb->data; |
1806 | put_unaligned(cpu_to_le32(rx->dma_addr), | 1805 | put_unaligned(cpu_to_le32(rx->dma_addr), &prev_rfd->link); |
1807 | (u32 *)&prev_rfd->link); | ||
1808 | } | 1806 | } |
1809 | 1807 | ||
1810 | return 0; | 1808 | return 0; |