[PATCH 4/4] ieee1394: eth1394 trivial sparse annotations

From: Harvey Harrison
Date: Sat Dec 13 2008 - 18:03:22 EST


Mostly annotations of ether_type as a be16.

Signed-off-by: Harvey Harrison <harvey.harrison@xxxxxxxxx>
---
drivers/ieee1394/eth1394.c | 26 +++++++++++++-------------
drivers/ieee1394/eth1394.h | 16 ++++++++--------
2 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c
index 7ae8bce..a074bfd 100644
--- a/drivers/ieee1394/eth1394.c
+++ b/drivers/ieee1394/eth1394.c
@@ -92,7 +92,7 @@ struct partial_datagram {
struct list_head list;
u16 dgl;
u16 dg_size;
- u16 ether_type;
+ __be16 ether_type;
struct sk_buff *skb;
char *pbuf;
struct list_head frag_info;
@@ -767,7 +767,7 @@ static int ether1394_header_parse(const struct sk_buff *skb,
static int ether1394_header_cache(const struct neighbour *neigh,
struct hh_cache *hh)
{
- unsigned short type = hh->hh_type;
+ __be16 type = hh->hh_type;
struct net_device *dev = neigh->dev;
struct eth1394hdr *eth =
(struct eth1394hdr *)((u8 *)hh->hh_data + 16 - ETH1394_HLEN);
@@ -795,7 +795,7 @@ static void ether1394_header_cache_update(struct hh_cache *hh,
******************************************/

/* Copied from net/ethernet/eth.c */
-static u16 ether1394_type_trans(struct sk_buff *skb, struct net_device *dev)
+static __be16 ether1394_type_trans(struct sk_buff *skb, struct net_device *dev)
{
struct eth1394hdr *eth;
unsigned char *rawp;
@@ -829,17 +829,17 @@ static u16 ether1394_type_trans(struct sk_buff *skb, struct net_device *dev)

/* Parse an encapsulated IP1394 header into an ethernet frame packet.
* We also perform ARP translation here, if need be. */
-static u16 ether1394_parse_encap(struct sk_buff *skb, struct net_device *dev,
+static __be16 ether1394_parse_encap(struct sk_buff *skb, struct net_device *dev,
nodeid_t srcid, nodeid_t destid,
- u16 ether_type)
+ __be16 ether_type)
{
struct eth1394_priv *priv = netdev_priv(dev);
- u64 dest_hw;
- unsigned short ret = 0;
+ __be64 dest_hw;
+ __be16 ret = 0;

/* Setup our hw addresses. We use these to build the ethernet header. */
if (destid == (LOCAL_BUS | ALL_NODES))
- dest_hw = ~0ULL; /* broadcast */
+ dest_hw = ~cpu_to_be64(0); /* broadcast */
else
dest_hw = cpu_to_be64((u64)priv->host->csr.guid_hi << 32 |
priv->host->csr.guid_lo);
@@ -873,7 +873,7 @@ static u16 ether1394_parse_encap(struct sk_buff *skb, struct net_device *dev,
node = eth1394_find_node_guid(&priv->ip_node_list,
be64_to_cpu(guid));
if (!node)
- return 0;
+ return cpu_to_be16(0);

node_info =
(struct eth1394_node_info *)node->ud->device.driver_data;
@@ -1063,7 +1063,7 @@ static int ether1394_data_handler(struct net_device *dev, int srcid, int destid,
unsigned long flags;
struct eth1394_priv *priv = netdev_priv(dev);
union eth1394_hdr *hdr = (union eth1394_hdr *)buf;
- u16 ether_type = 0; /* initialized to clear warning */
+ __be16 ether_type = cpu_to_be16(0); /* initialized to clear warning */
int hdr_len;
struct unit_directory *ud = priv->ud_list[NODEID_TO_NODE(srcid)];
struct eth1394_node_info *node_info;
@@ -1259,7 +1259,7 @@ static int ether1394_write(struct hpsb_host *host, int srcid, int destid,

static void ether1394_iso(struct hpsb_iso *iso)
{
- quadlet_t *data;
+ __be32 *data;
char *buf;
struct eth1394_host_info *hi;
struct net_device *dev;
@@ -1283,7 +1283,7 @@ static void ether1394_iso(struct hpsb_iso *iso)
for (i = 0; i < nready; i++) {
struct hpsb_iso_packet_info *info =
&iso->infos[(iso->first_packet + i) % iso->buf_packets];
- data = (quadlet_t *)(iso->data_buf.kvirt + info->offset);
+ data = (__be32 *)(iso->data_buf.kvirt + info->offset);

/* skip over GASP header */
buf = (char *)data + 8;
@@ -1614,7 +1614,7 @@ static int ether1394_tx(struct sk_buff *skb, struct net_device *dev)
if (max_payload < dg_size + hdr_type_len[ETH1394_HDR_LF_UF])
priv->bc_dgl++;
} else {
- __be64 guid = get_unaligned((u64 *)hdr_buf.h_dest);
+ __be64 guid = get_unaligned((__be64 *)hdr_buf.h_dest);

node = eth1394_find_node_guid(&priv->ip_node_list,
be64_to_cpu(guid));
diff --git a/drivers/ieee1394/eth1394.h b/drivers/ieee1394/eth1394.h
index 4f3e2dd..e1b5ea8 100644
--- a/drivers/ieee1394/eth1394.h
+++ b/drivers/ieee1394/eth1394.h
@@ -82,7 +82,7 @@ struct eth1394_priv {

struct eth1394hdr {
unsigned char h_dest[ETH1394_ALEN]; /* destination eth1394 addr */
- unsigned short h_proto; /* packet type ID field */
+ __be16 h_proto; /* packet type ID field */
} __attribute__((packed));

static inline struct eth1394hdr *eth1394_hdr(const struct sk_buff *skb)
@@ -99,13 +99,13 @@ typedef enum {ETH1394_GASP, ETH1394_WRREQ} eth1394_tx_type;
struct eth1394_uf_hdr {
u16 lf:2;
u16 res:14;
- u16 ether_type; /* Ethernet packet type */
+ __be16 ether_type; /* Ethernet packet type */
} __attribute__((packed));
#elif defined __LITTLE_ENDIAN_BITFIELD
struct eth1394_uf_hdr {
u16 res:14;
u16 lf:2;
- u16 ether_type;
+ __be16 ether_type;
} __attribute__((packed));
#else
#error Unknown bit field type
@@ -117,7 +117,7 @@ struct eth1394_ff_hdr {
u16 lf:2;
u16 res1:2;
u16 dg_size:12; /* Datagram size */
- u16 ether_type; /* Ethernet packet type */
+ __be16 ether_type; /* Ethernet packet type */
u16 dgl; /* Datagram label */
u16 res2;
} __attribute__((packed));
@@ -126,7 +126,7 @@ struct eth1394_ff_hdr {
u16 dg_size:12;
u16 res1:2;
u16 lf:2;
- u16 ether_type;
+ __be16 ether_type;
u16 dgl;
u16 res2;
} __attribute__((packed));
@@ -207,11 +207,11 @@ struct eth1394_arp {
u16 opcode; /* ARP Opcode */
/* Above is exactly the same format as struct arphdr */

- u64 s_uniq_id; /* Sender's 64bit EUI */
+ __be64 s_uniq_id; /* Sender's 64bit EUI */
u8 max_rec; /* Sender's max packet size */
u8 sspd; /* Sender's max speed */
- u16 fifo_hi; /* hi 16bits of sender's FIFO addr */
- u32 fifo_lo; /* lo 32bits of sender's FIFO addr */
+ __be16 fifo_hi; /* hi 16bits of sender's FIFO addr */
+ __be32 fifo_lo; /* lo 32bits of sender's FIFO addr */
u32 sip; /* Sender's IP Address */
u32 tip; /* IP Address of requested hw addr */
};
--
1.6.1.rc2.306.ge5d5e

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