Date: Thu, 20 May 1999 13:18:15 +0900 (JST) From: amagai@nue.org To: freebsd-bugs@FreeBSD.org Subject: Re: pending/11754: tx driver, SIOCGIFADDR ioctl does not work Message-ID: <199905200418.NAA10350@may.nue.org>
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My pr 11754 was not accepted by gnats, what's happened...
By the way, SIOCGIFADDR ioctl does not work on tx (SMC chip) network
driver. The SIOCGIFADDR ioctl [src/pci/if_tx.c, epic_ifioctl]
invokes ether_ioctl() [src/net/if_ethersubr.c]. Here, MAC address
is copied out, as follows.
bcopy(((struct arpcom *)ifp->if_softc)->ac_enaddr,
(caddr_t) sa->sa_data, ETHER_ADDR_LEN);
So, "struct arpcom arpcom" must be a first element of softc structure.
/* $OpenBSD: if_txvar.h,v 1.3 1998/10/10 04:30:09 jason Exp $ */
/* $Id: if_txvar.h,v 1.1.4.1 1999/04/23 05:47:53 semenu Exp $ */
================================================================
--- if_txvar.h' Tue May 18 15:40:12 1999
+++ if_txvar.h Tue May 18 15:41:15 1999
@@ -329,6 +329,7 @@
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
#else /* __FreeBSD__ */
+ struct arpcom arpcom;
#if defined(EPIC_USEIOSPACE)
u_int32_t iobase;
#else
@@ -338,7 +339,6 @@
#if !defined(EPIC_NOIFMEDIA)
struct ifmedia ifmedia;
#endif
- struct arpcom arpcom;
u_int32_t unit;
struct epic_rx_buffer rx_buffer[RX_RING_SIZE];
struct epic_tx_buffer tx_buffer[TX_RING_SIZE];
================================================================
Amagai Yoshiji
NUE: New Unified Environment Research Project.
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