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Copy MAC address to fix alignment problems.

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Tested on alpha (AS600) with RTL8169S
Suggested by: jhb
This commit is contained in:
Bernd Walter 2006-02-20 10:29:40 +00:00
parent 610e662ee2
commit 4d3d7085f6
1 changed files with 8 additions and 2 deletions
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10
sys/dev/re/if_re.c
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@ -2093,6 +2093,10 @@ re_init_locked(sc)
struct ifnet *ifp = sc->rl_ifp;
struct mii_data *mii;
u_int32_t rxcfg = 0;
union {
uint32_t align_dummy;
u_char eaddr[ETHER_ADDR_LEN];
} eaddr;
RL_LOCK_ASSERT(sc);
@ -2119,11 +2123,13 @@ re_init_locked(sc)
* documentation doesn't mention it, we need to enter "Config
* register write enable" mode to modify the ID registers.
*/
/* Copy MAC address on stack to align. */
bcopy(IF_LLADDR(ifp), eaddr.eaddr, ETHER_ADDR_LEN);
CSR_WRITE_1(sc, RL_EECMD, RL_EEMODE_WRITECFG);
CSR_WRITE_STREAM_4(sc, RL_IDR0,
*(u_int32_t *)(&IF_LLADDR(sc->rl_ifp)[0]));
*(u_int32_t *)(&eaddr.eaddr[0]));
CSR_WRITE_STREAM_4(sc, RL_IDR4,
*(u_int32_t *)(&IF_LLADDR(sc->rl_ifp)[4]));
*(u_int32_t *)(&eaddr.eaddr[4]));
CSR_WRITE_1(sc, RL_EECMD, RL_EEMODE_OFF);
/*