Kevin,
On Thu, Sep 15, 2016 at 07:41:48AM +0000, Kevin Lo wrote:
K> Log:
K> Remove the 4.3BSD compatible macro m_copy(), use m_copym() instead.
...
K> Modified: head/sys/contrib/ipfilter/netinet/fil.c
K>
==============================================================================
K> --- head/sys/contrib/ipfilter/netinet/fil.c Thu Sep 15 02:48:56 2016
(r305823)
K> +++ head/sys/contrib/ipfilter/netinet/fil.c Thu Sep 15 07:41:48 2016
(r305824)
K> @@ -3226,7 +3226,7 @@ filterdone:
K> fdp = fin->fin_dif;
K> if ((fdp != NULL) && (fdp->fd_ptr != NULL) &&
K> (fdp->fd_ptr != (void *)-1)) {
K> - mc = M_COPY(fin->fin_m);
K> + mc = M_COPYM(fin->fin_m);
K> if (mc != NULL)
K> ipf_fastroute(mc, &mc, fin, fdp);
K> }
K>
K> Modified: head/sys/contrib/ipfilter/netinet/ip_compat.h
K>
==============================================================================
K> --- head/sys/contrib/ipfilter/netinet/ip_compat.h Thu Sep 15 02:48:56
2016 (r305823)
K> +++ head/sys/contrib/ipfilter/netinet/ip_compat.h Thu Sep 15 07:41:48
2016 (r305824)
K> @@ -211,7 +211,7 @@ struct ether_addr {
K> # define MSGDSIZE(m) mbufchainlen(m)
K> # define M_LEN(m) (m)->m_len
K> # define M_ADJ(m,x) m_adj(m, x)
K> -# define M_COPY(x) m_copy((x), 0, M_COPYALL)
K> +# define M_COPYM(x) m_copym((x), 0, M_COPYALL, M_NOWAIT)
K> # define M_DUP(m) m_dup(m, M_NOWAIT)
K> # define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
K> typedef struct mbuf mb_t;
K> @@ -366,7 +366,7 @@ typedef struct mb_s {
K> # define MSGDSIZE(m) msgdsize(m)
K> # define M_LEN(m) (m)->mb_len
K> # define M_ADJ(m,x) (m)->mb_len += x
K> -# define M_COPY(m) dupmbt(m)
K> +# define M_COPYM(m) dupmbt(m)
K> # define M_DUP(m) dupmbt(m)
K> # define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL)
K> # define MTOD(m, t) ((t)(m)->mb_data)
IMHO, for contributed ipfilter we should only modify ip_compat.h and
ip_fil_freebsd.c.
In case of removal of m_copy() the macro should remain named M_COPY(), but it
should be
defined to call to function of m_copym(). So fil.c can be left unmodified, and
ip_compat.h
will have only 1 line change. The userland part of ip_compat.h which defines
M_COPY() to
dupmbt() doesn't need to be renamed as well.
--
Totus tuus, Glebius.
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