svn commit: r270877 - head/sys/net
Bjoern A. Zeeb
bz at FreeBSD.org
Sun Aug 31 13:59:19 UTC 2014
On 31 Aug 2014, at 13:30 , Gleb Smirnoff <glebius at FreeBSD.org> wrote:
> Author: glebius
> Date: Sun Aug 31 13:30:54 2014
> New Revision: 270877
> URL: http://svnweb.freebsd.org/changeset/base/270877
>
> Log:
> Toss fields so that no padding field is required to achieve alignment.
>
> Modified:
> head/sys/net/if_var.h
>
> Modified: head/sys/net/if_var.h
> ==============================================================================
> --- head/sys/net/if_var.h Sun Aug 31 12:48:13 2014 (r270876)
> +++ head/sys/net/if_var.h Sun Aug 31 13:30:54 2014 (r270877)
> @@ -146,11 +146,11 @@ struct ifnet {
>
> /* Variable fields that are touched by the stack and drivers. */
> int if_flags; /* up/down, broadcast, etc. */
> + int if_drv_flags; /* driver-managed status flags */
> int if_capabilities; /* interface features & capabilities */
> int if_capenable; /* enabled features & capabilities */
> void *if_linkmib; /* link-type-specific MIB data */
> size_t if_linkmiblen; /* length of above data */
> - int if_drv_flags; /* driver-managed status flags */
> u_int if_refcount; /* reference count */
>
> /* These fields are shared with struct if_data. */
> @@ -158,7 +158,6 @@ struct ifnet {
> uint8_t if_addrlen; /* media address length */
> uint8_t if_hdrlen; /* media header length */
> uint8_t if_link_state; /* current link state */
> - uint32_t if_spare32;
Doesn’t this leave a gap on 64bit alignment now again?
> uint32_t if_mtu; /* maximum transmission unit */
> uint32_t if_metric; /* routing metric (external only) */
> uint64_t if_baudrate; /* linespeed */
>
—
Bjoern A. Zeeb "Come on. Learn, goddamn it.", WarGames, 1983
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