* killed multibyte bitfields in fixed-endian structs
* annotated
* added conversions where needed
* fixed a couple of obvious brainos in (ifdefed out) zerocopy
stuff
Note that it's absofsckinglutely untested. It should not give differences
in behaviour on l-e, but that's in the famous last words category...
Review and testing is welcome.
Signed-off-by: Al Viro <[EMAIL PROTECTED]>
---
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 35cd65d..0fa1e4b 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -681,7 +681,7 @@ static void velocity_rx_reset(struct velocity_info *vptr)
* Init state, all RD entries belong to the NIC
*/
for (i = 0; i < vptr->options.numrx; ++i)
- vptr->rd_ring[i].rdesc0.owner = OWNED_BY_NIC;
+ vptr->rd_ring[i].rdesc0.len |= OWNED_BY_NIC;
writew(vptr->options.numrx, ®s->RBRDU);
writel(vptr->rd_pool_dma, ®s->RDBaseLo);
@@ -777,7 +777,7 @@ static void velocity_init_registers(struct velocity_info
*vptr,
vptr->int_mask = INT_MASK_DEF;
- writel(cpu_to_le32(vptr->rd_pool_dma), ®s->RDBaseLo);
+ writel(vptr->rd_pool_dma, ®s->RDBaseLo);
writew(vptr->options.numrx - 1, ®s->RDCSize);
mac_rx_queue_run(regs);
mac_rx_queue_wake(regs);
@@ -785,7 +785,7 @@ static void velocity_init_registers(struct velocity_info
*vptr,
writew(vptr->options.numtx - 1, ®s->TDCSize);
for (i = 0; i < vptr->num_txq; i++) {
- writel(cpu_to_le32(vptr->td_pool_dma[i]),
&(regs->TDBaseLo[i]));
+ writel(vptr->td_pool_dma[i], ®s->TDBaseLo[i]);
mac_tx_queue_run(regs, i);
}
@@ -1195,7 +1195,7 @@ static inline void velocity_give_many_rx_descs(struct
velocity_info *vptr)
dirty = vptr->rd_dirty - unusable;
for (avail = vptr->rd_filled & 0xfffc; avail; avail--) {
dirty = (dirty > 0) ? dirty - 1 : vptr->options.numrx - 1;
- vptr->rd_ring[dirty].rdesc0.owner = OWNED_BY_NIC;
+ vptr->rd_ring[dirty].rdesc0.len |= OWNED_BY_NIC;
}
writew(vptr->rd_filled & 0xfffc, ®s->RBRDU);
@@ -1210,7 +1210,7 @@ static int velocity_rx_refill(struct velocity_info *vptr)
struct rx_desc *rd = vptr->rd_ring + dirty;
/* Fine for an all zero Rx desc at init time as well */
- if (rd->rdesc0.owner == OWNED_BY_NIC)
+ if (rd->rdesc0.len & OWNED_BY_NIC)
break;
if (!vptr->rd_info[dirty].skb) {
@@ -1409,31 +1409,33 @@ static int velocity_rx_srv(struct velocity_info *vptr,
int status)
do {
struct rx_desc *rd = vptr->rd_ring + rd_curr;
+ u16 rsr;
if (!vptr->rd_info[rd_curr].skb)
break;
- if (rd->rdesc0.owner == OWNED_BY_NIC)
+ if (rd->rdesc0.len & OWNED_BY_NIC)
break;
rmb();
+ rsr = le16_to_cpu(rd->rdesc0.RSR);
/*
* Don't drop CE or RL error frame although RXOK is off
*/
- if ((rd->rdesc0.RSR & RSR_RXOK) || (!(rd->rdesc0.RSR &
RSR_RXOK) && (rd->rdesc0.RSR & (RSR_CE | RSR_RL)))) {
+ if (rsr & (RSR_RXOK | RSR_CE | RSR_RL)) {
if (velocity_receive_frame(vptr, rd_curr) < 0)
stats->rx_dropped++;
} else {
- if (rd->rdesc0.RSR & RSR_CRC)
+ if (rsr & RSR_CRC)
stats->rx_crc_errors++;
- if (rd->rdesc0.RSR & RSR_FAE)
+ if (rsr & RSR_FAE)
stats->rx_frame_errors++;
stats->rx_dropped++;
}
- rd->inten = 1;
+ rd->size |= RX_INTEN;
vptr->dev->last_rx = jiffies;
@@ -1554,16 +1556,17 @@ static int velocity_receive_frame(struct velocity_info
*vptr, int idx)
struct net_device_stats *stats = &vptr->stats;
struct velocity_rd_info *rd_info = &(vptr->rd_info[idx]);
struct rx_desc *rd = &(vptr->rd_ring[idx]);
- int pkt_len = rd->rdesc0.len;
+ int pkt_len = le16_to_cpu(rd->rdesc0.len) & 0x3fff;
+ u16 rsr = le16_to_cpu(rd->rdesc0.RSR);
struct sk_buff *skb;
- if (rd->rdesc0.RSR & (RSR_STP | RSR_EDP)) {
+ if (rsr & (RSR_STP | RSR_EDP)) {
VELOCITY_PRT(MSG_LEVEL_VERBOSE, KERN_ERR " %s : the received
frame span multple RDs.\n", vptr->dev->name);
stats->rx_length_errors++;
return -EINVAL;
}
- if (rd->rdesc0.RSR & RSR_MAR)
+ if (rsr & RSR_MAR)
vptr->stats.multicast++;
skb = rd_info->skb;
@@ -1576,7 +1579,7 @@ static int velocity_receive_frame(struct velocity_info
*vptr, int idx)
*/
if (vptr->flags & VELOCITY_FLAGS_VAL_PKT_LEN) {
- if (rd->rdesc0.RSR & RSR_RL) {
+ if (rsr & RSR_RL) {
stats->rx_length_errors++;
return -EINVAL;
}
@@ -1637,8 +1640,7 @@ static int velocity_alloc_rx_buf(struct velocity_info
*vptr, int idx)
*/
*((u32 *) & (rd->rdesc0)) = 0;
- rd->len = cpu_to_le32(vptr->rx_buf_sz);
- rd->inten = 1;
+ rd->size = cpu_to_le16(vptr->rx_buf_sz) | RX_INTEN;
rd->pa_low = cpu_to_le32(rd_info->skb_dma);
rd->pa_high = 0;
return 0;
@@ -1663,6 +1665,7 @@ static int velocity_tx_srv(struct velocity_info *vptr,
u32 status)
int works = 0;
struct velocity_td_info *tdinfo;
struct net_device_stats *stats = &vptr->stats;
+ u16 tsr;
for (qnum = 0; qnum < vptr->num_txq; qnum++) {
for (idx = vptr->td_tail[qnum]; vptr->td_used[qnum] > 0;
@@ -1674,22 +1677,24 @@ static int velocity_tx_srv(struct velocity_info *vptr,
u32 status)
td = &(vptr->td_rings[qnum][idx]);
tdinfo = &(vptr->td_infos[qnum][idx]);
- if (td->tdesc0.owner == OWNED_BY_NIC)
+ if (td->tdesc0.len & OWNED_BY_NIC)
break;
if ((works++ > 15))
break;
+
+ tsr = le16_to_cpu(td->tdesc0.TSR);
- if (td->tdesc0.TSR & TSR0_TERR) {
+ if (tsr & TSR0_TERR) {
stats->tx_errors++;
stats->tx_dropped++;
- if (td->tdesc0.TSR & TSR0_CDH)
+ if (tsr & TSR0_CDH)
stats->tx_heartbeat_errors++;
- if (td->tdesc0.TSR & TSR0_CRS)
+ if (tsr & TSR0_CRS)
stats->tx_carrier_errors++;
- if (td->tdesc0.TSR & TSR0_ABT)
+ if (tsr & TSR0_ABT)
stats->tx_aborted_errors++;
- if (td->tdesc0.TSR & TSR0_OWC)
+ if (tsr & TSR0_OWC)
stats->tx_window_errors++;
} else {
stats->tx_packets++;
@@ -1874,7 +1879,7 @@ static void velocity_free_tx_buf(struct velocity_info
*vptr, struct velocity_td_
for (i = 0; i < tdinfo->nskb_dma; i++) {
#ifdef VELOCITY_ZERO_COPY_SUPPORT
- pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i],
td->tdesc1.len, PCI_DMA_TODEVICE);
+ pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i],
le16_to_cpu(td->tdesc1.len), PCI_DMA_TODEVICE);
#else
pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i],
skb->len, PCI_DMA_TODEVICE);
#endif
@@ -2067,8 +2072,8 @@ static int velocity_xmit(struct sk_buff *skb, struct
net_device *dev)
struct velocity_td_info *tdinfo;
unsigned long flags;
int index;
-
int pktlen = skb->len;
+ __le16 len = cpu_to_le16(pktlen);
#ifdef VELOCITY_ZERO_COPY_SUPPORT
if (skb_shinfo(skb)->nr_frags > 6 && __skb_linearize(skb)) {
@@ -2085,7 +2090,7 @@ static int velocity_xmit(struct sk_buff *skb, struct
net_device *dev)
td_ptr->tdesc1.TCPLS = TCPLS_NORMAL;
td_ptr->tdesc1.TCR = TCR0_TIC;
- td_ptr->td_buf[0].queue = 0;
+ td_ptr->td_buf[0].size &= ~TD_QUEUE;
/*
* Pad short frames.
@@ -2093,14 +2098,15 @@ static int velocity_xmit(struct sk_buff *skb, struct
net_device *dev)
if (pktlen < ETH_ZLEN) {
/* Cannot occur until ZC support */
pktlen = ETH_ZLEN;
+ len = cpu_to_le16(ETH_ZLEN);
skb_copy_from_linear_data(skb, tdinfo->buf, skb->len);
memset(tdinfo->buf + skb->len, 0, ETH_ZLEN - skb->len);
tdinfo->skb = skb;
tdinfo->skb_dma[0] = tdinfo->buf_dma;
- td_ptr->tdesc0.pktsize = pktlen;
+ td_ptr->tdesc0.len = len;
td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]);
td_ptr->td_buf[0].pa_high = 0;
- td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize;
+ td_ptr->td_buf[0].size = len; /* queue is 0 anyway */
tdinfo->nskb_dma = 1;
td_ptr->tdesc1.CMDZ = 2;
} else
@@ -2111,10 +2117,10 @@ static int velocity_xmit(struct sk_buff *skb, struct
net_device *dev)
if (nfrags > 6) {
skb_copy_from_linear_data(skb, tdinfo->buf, skb->len);
tdinfo->skb_dma[0] = tdinfo->buf_dma;
- td_ptr->tdesc0.pktsize =
+ td_ptr->tdesc0.len = len;
td_ptr->td_buf[0].pa_low =
cpu_to_le32(tdinfo->skb_dma[0]);
td_ptr->td_buf[0].pa_high = 0;
- td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize;
+ td_ptr->td_buf[0].size = len; /* queue is 0 anyway */
tdinfo->nskb_dma = 1;
td_ptr->tdesc1.CMDZ = 2;
} else {
@@ -2122,22 +2128,23 @@ static int velocity_xmit(struct sk_buff *skb, struct
net_device *dev)
tdinfo->nskb_dma = 0;
tdinfo->skb_dma[i] = pci_map_single(vptr->pdev,
skb->data, skb->len - skb->data_len, PCI_DMA_TODEVICE);
- td_ptr->tdesc0.pktsize = pktlen;
+ td_ptr->tdesc0.len = len;
/* FIXME: support 48bit DMA later */
td_ptr->td_buf[i].pa_low = cpu_to_le32(tdinfo->skb_dma);
td_ptr->td_buf[i].pa_high = 0;
- td_ptr->td_buf[i].bufsize = skb->len->skb->data_len;
+ td_ptr->td_buf[i].size =
+ cpu_to_le16(skb->len->skb->data_len);
for (i = 0; i < nfrags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- void *addr = ((void *) page_address(frag->page
+ frag->page_offset));
+ void *addr = (void *)page_address(frag->page) +
frag->page_offset;
tdinfo->skb_dma[i + 1] =
pci_map_single(vptr->pdev, addr, frag->size, PCI_DMA_TODEVICE);
td_ptr->td_buf[i + 1].pa_low =
cpu_to_le32(tdinfo->skb_dma[i + 1]);
td_ptr->td_buf[i + 1].pa_high = 0;
- td_ptr->td_buf[i + 1].bufsize = frag->size;
+ td_ptr->td_buf[i + 1].size =
cpu_to_le16(frag->size);
}
tdinfo->nskb_dma = i - 1;
td_ptr->tdesc1.CMDZ = i;
@@ -2152,18 +2159,16 @@ static int velocity_xmit(struct sk_buff *skb, struct
net_device *dev)
*/
tdinfo->skb = skb;
tdinfo->skb_dma[0] = pci_map_single(vptr->pdev, skb->data,
pktlen, PCI_DMA_TODEVICE);
- td_ptr->tdesc0.pktsize = pktlen;
+ td_ptr->tdesc0.len = len;
td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]);
td_ptr->td_buf[0].pa_high = 0;
- td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize;
+ td_ptr->td_buf[0].size = len;
tdinfo->nskb_dma = 1;
td_ptr->tdesc1.CMDZ = 2;
}
if (vptr->vlgrp && vlan_tx_tag_present(skb)) {
- td_ptr->tdesc1.pqinf.VID = vlan_tx_tag_get(skb);
- td_ptr->tdesc1.pqinf.priority = 0;
- td_ptr->tdesc1.pqinf.CFI = 0;
+ td_ptr->tdesc1.vlan = cpu_to_le16(vlan_tx_tag_get(skb));
td_ptr->tdesc1.TCR |= TCR0_VETAG;
}
@@ -2185,7 +2190,7 @@ static int velocity_xmit(struct sk_buff *skb, struct
net_device *dev)
if (prev < 0)
prev = vptr->options.numtx - 1;
- td_ptr->tdesc0.owner = OWNED_BY_NIC;
+ td_ptr->tdesc0.len |= OWNED_BY_NIC;
vptr->td_used[qnum]++;
vptr->td_curr[qnum] = (index + 1) % vptr->options.numtx;
@@ -2193,7 +2198,7 @@ static int velocity_xmit(struct sk_buff *skb, struct
net_device *dev)
netif_stop_queue(dev);
td_ptr = &(vptr->td_rings[qnum][prev]);
- td_ptr->td_buf[0].queue = 1;
+ td_ptr->td_buf[0].size |= TD_QUEUE;
mac_tx_queue_wake(vptr->mac_regs, qnum);
}
dev->trans_start = jiffies;
@@ -3410,7 +3415,7 @@ static int velocity_suspend(struct pci_dev *pdev,
pm_message_t state)
velocity_save_context(vptr, &vptr->context);
velocity_shutdown(vptr);
velocity_set_wol(vptr);
- pci_enable_wake(pdev, 3, 1);
+ pci_enable_wake(pdev, PCI_D3hot, 1);
pci_set_power_state(pdev, PCI_D3hot);
} else {
velocity_save_context(vptr, &vptr->context);
diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h
index aa91796..e0ec5d4 100644
--- a/drivers/net/via-velocity.h
+++ b/drivers/net/via-velocity.h
@@ -196,26 +196,29 @@
* Receive descriptor
*/
+#define DESC_OWNER cpu_to_le16(0x8000)
+
struct rdesc0 {
- u16 RSR; /* Receive status */
- u16 len:14; /* Received packet length */
- u16 reserved:1;
- u16 owner:1; /* Who owns this buffer ? */
+ __le16 RSR; /* Receive status */
+ __le16 len; /* bits 0--13; bit 15 - owner */
};
struct rdesc1 {
- u16 PQTAG;
+ __le16 PQTAG;
u8 CSM;
u8 IPKT;
};
+enum {
+ RX_INTEN = __constant_cpu_to_le16(0x8000)
+};
+
struct rx_desc {
struct rdesc0 rdesc0;
struct rdesc1 rdesc1;
- u32 pa_low; /* Low 32 bit PCI address */
- u16 pa_high; /* Next 16 bit PCI address (48 total) */
- u16 len:15; /* Frame size */
- u16 inten:1; /* Enable interrupt */
+ __le32 pa_low; /* Low 32 bit PCI address */
+ __le16 pa_high; /* Next 16 bit PCI address (48 total) */
+ __le16 size; /* bits 0--14 - frame size, bit 15 - enable
int. */
} __attribute__ ((__packed__));
/*
@@ -223,32 +226,26 @@ struct rx_desc {
*/
struct tdesc0 {
- u16 TSR; /* Transmit status register */
- u16 pktsize:14; /* Size of frame */
- u16 reserved:1;
- u16 owner:1; /* Who owns the buffer */
+ __le16 TSR; /* Transmit status register */
+ __le16 len; /* bits 0--13 - size of frame, bit 15 - owner */
};
-struct pqinf { /* Priority queue info */
- u16 VID:12;
- u16 CFI:1;
- u16 priority:3;
-} __attribute__ ((__packed__));
-
struct tdesc1 {
- struct pqinf pqinf;
+ __le16 vlan;
u8 TCR;
u8 TCPLS:2;
u8 reserved:2;
u8 CMDZ:4;
} __attribute__ ((__packed__));
+enum {
+ TD_QUEUE = __constant_cpu_to_le16(0x8000)
+};
+
struct td_buf {
- u32 pa_low;
- u16 pa_high;
- u16 bufsize:14;
- u16 reserved:1;
- u16 queue:1;
+ __le32 pa_low;
+ __le16 pa_high;
+ __le16 size; /* bits 0--13 - size, bit 15 - queue */
} __attribute__ ((__packed__));
struct tx_desc {
@@ -276,7 +273,7 @@ struct velocity_td_info {
enum velocity_owner {
OWNED_BY_HOST = 0,
- OWNED_BY_NIC = 1
+ OWNED_BY_NIC = __constant_cpu_to_le16(0x8000)
};
@@ -1012,45 +1009,45 @@ struct mac_regs {
volatile u8 RCR;
volatile u8 TCR;
- volatile u32 CR0Set; /* 0x08 */
- volatile u32 CR0Clr; /* 0x0C */
+ volatile __le32 CR0Set; /* 0x08 */
+ volatile __le32 CR0Clr; /* 0x0C */
volatile u8 MARCAM[8]; /* 0x10 */
- volatile u32 DecBaseHi; /* 0x18 */
- volatile u16 DbfBaseHi; /* 0x1C */
- volatile u16 reserved_1E;
+ volatile __le32 DecBaseHi; /* 0x18 */
+ volatile __le16 DbfBaseHi; /* 0x1C */
+ volatile __le16 reserved_1E;
- volatile u16 ISRCTL; /* 0x20 */
+ volatile __le16 ISRCTL; /* 0x20 */
volatile u8 TXESR;
volatile u8 RXESR;
- volatile u32 ISR; /* 0x24 */
- volatile u32 IMR;
+ volatile __le32 ISR; /* 0x24 */
+ volatile __le32 IMR;
- volatile u32 TDStatusPort; /* 0x2C */
+ volatile __le32 TDStatusPort; /* 0x2C */
- volatile u16 TDCSRSet; /* 0x30 */
+ volatile __le16 TDCSRSet; /* 0x30 */
volatile u8 RDCSRSet;
volatile u8 reserved_33;
- volatile u16 TDCSRClr;
+ volatile __le16 TDCSRClr;
volatile u8 RDCSRClr;
volatile u8 reserved_37;
- volatile u32 RDBaseLo; /* 0x38 */
- volatile u16 RDIdx; /* 0x3C */
- volatile u16 reserved_3E;
+ volatile __le32 RDBaseLo; /* 0x38 */
+ volatile __le16 RDIdx; /* 0x3C */
+ volatile __le16 reserved_3E;
- volatile u32 TDBaseLo[4]; /* 0x40 */
+ volatile __le32 TDBaseLo[4]; /* 0x40 */
- volatile u16 RDCSize; /* 0x50 */
- volatile u16 TDCSize; /* 0x52 */
- volatile u16 TDIdx[4]; /* 0x54 */
- volatile u16 tx_pause_timer; /* 0x5C */
- volatile u16 RBRDU; /* 0x5E */
+ volatile __le16 RDCSize; /* 0x50 */
+ volatile __le16 TDCSize; /* 0x52 */
+ volatile __le16 TDIdx[4]; /* 0x54 */
+ volatile __le16 tx_pause_timer; /* 0x5C */
+ volatile __le16 RBRDU; /* 0x5E */
- volatile u32 FIFOTest0; /* 0x60 */
- volatile u32 FIFOTest1; /* 0x64 */
+ volatile __le32 FIFOTest0; /* 0x60 */
+ volatile __le32 FIFOTest1; /* 0x64 */
volatile u8 CAMADDR; /* 0x68 */
volatile u8 CAMCR; /* 0x69 */
@@ -1063,18 +1060,18 @@ struct mac_regs {
volatile u8 PHYSR1;
volatile u8 MIICR;
volatile u8 MIIADR;
- volatile u16 MIIDATA;
+ volatile __le16 MIIDATA;
- volatile u16 SoftTimer0; /* 0x74 */
- volatile u16 SoftTimer1;
+ volatile __le16 SoftTimer0; /* 0x74 */
+ volatile __le16 SoftTimer1;
volatile u8 CFGA; /* 0x78 */
volatile u8 CFGB;
volatile u8 CFGC;
volatile u8 CFGD;
- volatile u16 DCFG; /* 0x7C */
- volatile u16 MCFG;
+ volatile __le16 DCFG; /* 0x7C */
+ volatile __le16 MCFG;
volatile u8 TBIST; /* 0x80 */
volatile u8 RBIST;
@@ -1086,9 +1083,9 @@ struct mac_regs {
volatile u8 rev_id;
volatile u8 PORSTS;
- volatile u32 MIBData; /* 0x88 */
+ volatile __le32 MIBData; /* 0x88 */
- volatile u16 EEWrData;
+ volatile __le16 EEWrData;
volatile u8 reserved_8E;
volatile u8 BPMDWr;
@@ -1098,7 +1095,7 @@ struct mac_regs {
volatile u8 EECHKSUM; /* 0x92 */
volatile u8 EECSR;
- volatile u16 EERdData; /* 0x94 */
+ volatile __le16 EERdData; /* 0x94 */
volatile u8 EADDR;
volatile u8 EMBCMD;
@@ -1112,22 +1109,22 @@ struct mac_regs {
volatile u8 DEBUG;
volatile u8 CHIPGCR;
- volatile u16 WOLCRSet; /* 0xA0 */
+ volatile __le16 WOLCRSet; /* 0xA0 */
volatile u8 PWCFGSet;
volatile u8 WOLCFGSet;
- volatile u16 WOLCRClr; /* 0xA4 */
+ volatile __le16 WOLCRClr; /* 0xA4 */
volatile u8 PWCFGCLR;
volatile u8 WOLCFGClr;
- volatile u16 WOLSRSet; /* 0xA8 */
- volatile u16 reserved_AA;
+ volatile __le16 WOLSRSet; /* 0xA8 */
+ volatile __le16 reserved_AA;
- volatile u16 WOLSRClr; /* 0xAC */
- volatile u16 reserved_AE;
+ volatile __le16 WOLSRClr; /* 0xAC */
+ volatile __le16 reserved_AE;
- volatile u16 PatternCRC[8]; /* 0xB0 */
- volatile u32 ByteMask[4][4]; /* 0xC0 */
+ volatile __le16 PatternCRC[8]; /* 0xB0 */
+ volatile __le32 ByteMask[4][4]; /* 0xC0 */
} __attribute__ ((__packed__));
@@ -1238,12 +1235,12 @@ typedef u8 MCAM_ADDR[ETH_ALEN];
struct arp_packet {
u8 dest_mac[ETH_ALEN];
u8 src_mac[ETH_ALEN];
- u16 type;
- u16 ar_hrd;
- u16 ar_pro;
+ __be16 type;
+ __be16 ar_hrd;
+ __be16 ar_pro;
u8 ar_hln;
u8 ar_pln;
- u16 ar_op;
+ __be16 ar_op;
u8 ar_sha[ETH_ALEN];
u8 ar_sip[4];
u8 ar_tha[ETH_ALEN];
@@ -1253,7 +1250,7 @@ struct arp_packet {
struct _magic_packet {
u8 dest_mac[6];
u8 src_mac[6];
- u16 type;
+ __be16 type;
u8 MAC[16][6];
u8 password[6];
} __attribute__ ((__packed__));
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