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net: cosmetic: Un-typedef Ethernet_t

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Separate the Ethernet header from the 802 header.
Base the size constants on the structs.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Joe Hershberger 2012-05-23 07:58:06 +00:00
parent c5c59df04d
commit cb487f5664
9 changed files with 36 additions and 26 deletions
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17
arch/powerpc/cpu/mpc8260/ether_fcc.c
View File

@ -1049,11 +1049,11 @@ eth_loopback_test (void)
}
else {
ushort datlen = bdp->cbd_datlen;
Ethernet_t *ehp;
struct ethernet_hdr *ehp;
ushort prot;
int ours, tb, n, nbytes;
ehp = (Ethernet_t *) \
ehp = (struct ethernet_hdr *) \
&ecp->rxbufs[i][0];
ours = memcmp (ehp->et_src, \
@ -1063,9 +1063,8 @@ eth_loopback_test (void)
tb = prot & 0x8000;
n = prot & 0x7fff;
nbytes = ELBT_BUFSZ - \
offsetof (Ethernet_t, \
et_dsap) - \
nbytes = ELBT_BUFSZ -
ETHER_HDR_SIZE -
ELBT_CRCSZ;
/* check the frame is correct */
@ -1080,10 +1079,10 @@ eth_loopback_test (void)
patwords[n];
uint nbb;
nbb = badbits ( \
&ehp->et_dsap, \
nbytes, \
patword);
nbb = badbits(
((uchar *)&ehp) +
ETHER_HDR_SIZE,
nbytes, patword);
ecp->rxeacc.badbit += \
nbb;

18
include/net.h
View File

@ -156,7 +156,17 @@ u32 ether_crc(size_t len, unsigned char const *p);
/*
* Ethernet header
*/
typedef struct {
struct ethernet_hdr {
uchar et_dest[6]; /* Destination node */
uchar et_src[6]; /* Source node */
ushort et_protlen; /* Protocol or length */
};
/* Ethernet header size */
#define ETHER_HDR_SIZE (sizeof(struct ethernet_hdr))
struct e802_hdr {
uchar et_dest[6]; /* Destination node */
uchar et_src[6]; /* Source node */
ushort et_protlen; /* Protocol or length */
@ -167,10 +177,10 @@ typedef struct {
uchar et_snap2;
uchar et_snap3;
ushort et_prot; /* 802 protocol */
} Ethernet_t;
};
#define ETHER_HDR_SIZE 14 /* Ethernet header size */
#define E802_HDR_SIZE 22 /* 802 ethernet header size */
/* 802 ethernet header size */
#define E802_HDR_SIZE (sizeof(struct e802_hdr))
/*
* Ethernet header

4
net/arp.c
View File

@ -113,7 +113,7 @@ void ArpTimeoutCheck(void)
}
}
void ArpReceive(Ethernet_t *et, struct ip_udp_hdr *ip, int len)
void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
{
ARP_t *arp;
IPaddr_t tmp;
@ -193,7 +193,7 @@ void ArpReceive(Ethernet_t *et, struct ip_udp_hdr *ip, int len)
NetGetHandler()(0, 0, 0, 0, 0);
#endif
/* modify header, and transmit it */
memcpy(((Ethernet_t *)NetArpWaitTxPacket)->
memcpy(((struct ethernet_hdr *)NetArpWaitTxPacket)->
et_dest, NetArpWaitPacketMAC, 6);
(void) eth_send(NetArpWaitTxPacket,
NetArpWaitTxPacketSize);

2
net/arp.h
View File

@ -25,6 +25,6 @@ extern int NetArpWaitTry;
void ArpInit(void);
void ArpRequest(void);
void ArpTimeoutCheck(void);
void ArpReceive(Ethernet_t *et, struct ip_udp_hdr *ip, int len);
void ArpReceive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len);
#endif /* __ARP_H__ */

2
net/bootp.c
View File

@ -103,7 +103,7 @@ static void BootpCopyNetParams(struct Bootp_t *bp)
NetCopyIP(&tmp_ip, &bp->bp_siaddr);
if (tmp_ip != 0)
NetCopyIP(&NetServerIP, &bp->bp_siaddr);
memcpy(NetServerEther, ((Ethernet_t *)NetRxPacket)->et_src, 6);
memcpy(NetServerEther, ((struct ethernet_hdr *)NetRxPacket)->et_src, 6);
#endif
if (strlen(bp->bp_file) > 0)
copy_filename(BootFile, bp->bp_file, sizeof(BootFile));

4
net/cdp.c
View File

@ -109,7 +109,7 @@ CDPSendTrigger(void)
uchar *pkt;
ushort *s;
ushort *cp;
Ethernet_t *et;
struct ethernet_hdr *et;
int len;
ushort chksum;
#if defined(CONFIG_CDP_DEVICE_ID) || defined(CONFIG_CDP_PORT_ID) || \
@ -118,7 +118,7 @@ CDPSendTrigger(void)
#endif
pkt = NetTxPacket;
et = (Ethernet_t *)pkt;
et = (struct ethernet_hdr *)pkt;
/* NOTE: trigger sent not on any VLAN */

11
net/net.c
View File

@ -823,7 +823,7 @@ static inline struct ip_udp_hdr *NetDefragment(struct ip_udp_hdr *ip, int *lenp)
* @parma ip IP packet containing the ICMP
*/
static void receive_icmp(struct ip_udp_hdr *ip, int len,
IPaddr_t src_ip, Ethernet_t *et)
IPaddr_t src_ip, struct ethernet_hdr *et)
{
ICMP_t *icmph = (ICMP_t *)&ip->udp_src;
@ -851,7 +851,7 @@ static void receive_icmp(struct ip_udp_hdr *ip, int len,
void
NetReceive(uchar *inpkt, int len)
{
Ethernet_t *et;
struct ethernet_hdr *et;
struct ip_udp_hdr *ip;
IPaddr_t tmp;
IPaddr_t src_ip;
@ -865,7 +865,7 @@ NetReceive(uchar *inpkt, int len)
NetRxPacket = inpkt;
NetRxPacketLen = len;
et = (Ethernet_t *)inpkt;
et = (struct ethernet_hdr *)inpkt;
/* too small packet? */
if (len < ETHER_HDR_SIZE)
@ -895,10 +895,11 @@ NetReceive(uchar *inpkt, int len)
debug("packet received\n");
if (x < 1514) {
struct e802_hdr *et802 = (struct e802_hdr *)et;
/*
* Got a 802 packet. Check the other protocol field.
*/
x = ntohs(et->et_prot);
x = ntohs(et802->et_prot);
ip = (struct ip_udp_hdr *)(inpkt + E802_HDR_SIZE);
len -= E802_HDR_SIZE;
@ -1218,7 +1219,7 @@ NetEthHdrSize(void)
int
NetSetEther(uchar *xet, uchar * addr, uint prot)
{
Ethernet_t *et = (Ethernet_t *)xet;
struct ethernet_hdr *et = (struct ethernet_hdr *)xet;
ushort myvlanid;
myvlanid = ntohs(NetOurVLAN);

2
net/ping.c
View File

@ -98,7 +98,7 @@ void ping_start(void)
ping_send();
}
void ping_receive(Ethernet_t *et, struct ip_udp_hdr *ip, int len)
void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
{
ICMP_t *icmph = (ICMP_t *)&(ip->udp_src);
IPaddr_t src_ip;

2
net/ping.h
View File

@ -28,7 +28,7 @@ void ping_start(void);
* @param ip IP header in the same packet
* @param len Packet length
*/
void ping_receive(Ethernet_t *et, struct ip_udp_hdr *ip, int len);
void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len);
#endif /* __PING_H__ */
#endif