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IfAPI: More accessors

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Summary:
Add the following accessors needed by infiniband drivers:
* if_getaddrlen()
* if_setbroadcastaddr()
* if_resolvemulti()

With these accessors, and additional changes on the drivers' side, an
amd64 kernel can be compiled with `struct ifnet` completely hidden.

Reviewed by:	melifaro
Sponsored by:	Juniper Networks, Inc.
Differential Revision: https://reviews.freebsd.org/D38488
This commit is contained in:
Justin Hibbits 2023-02-10 10:53:19 -05:00
parent 8d5feede40
commit 189c3729d8
2 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
sys/net/if.c
View File

@ -4681,6 +4681,15 @@ if_transmit(if_t ifp, struct mbuf *m)
return (0);
}
int
if_resolvemulti(if_t ifp, struct sockaddr **srcs, struct sockaddr *dst)
{
if (ifp->if_resolvemulti == NULL)
return (EOPNOTSUPP);
return (ifp->if_resolvemulti(ifp, srcs, dst));
}
struct mbuf *
if_dequeue(if_t ifp)
{
@ -4928,6 +4937,12 @@ if_getbroadcastaddr(if_t ifp)
return (ifp->if_broadcastaddr);
}
void
if_setbroadcastaddr(if_t ifp, const uint8_t *addr)
{
ifp->if_broadcastaddr = addr;
}
int
if_getnumadomain(if_t ifp)
{
@ -4964,6 +4979,12 @@ if_getfib(if_t ifp)
return (ifp->if_fib);
}
uint8_t
if_getaddrlen(if_t ifp)
{
return (ifp->if_addrlen);
}
struct bpf_if *
if_getbpf(if_t ifp)
{

3
sys/net/if_var.h
View File

@ -604,8 +604,10 @@ int if_setflags(if_t ifp, int flags);
void if_setllsoftc(if_t ifp, void *softc);
void *if_getllsoftc(if_t ifp);
u_int if_getfib(if_t ifp);
uint8_t if_getaddrlen(if_t ifp);
int if_gethwaddr(const if_t ifp, struct ifreq *);
const uint8_t *if_getbroadcastaddr(const if_t ifp);
void if_setbroadcastaddr(if_t ifp, const uint8_t *);
int if_setmtu(if_t ifp, int mtu);
int if_getmtu(const if_t ifp);
int if_getmtu_family(const if_t ifp, int family);
@ -640,6 +642,7 @@ void if_etherbpfmtap(if_t ifp, struct mbuf *m);
void if_vlancap(if_t ifp);
int if_transmit(if_t ifp, struct mbuf *m);
int if_init(if_t ifp, void *ctx);
int if_resolvemulti(if_t ifp, struct sockaddr **, struct sockaddr *);
uint64_t if_getcounter(if_t ifp, ift_counter counter);
struct label *if_getmaclabel(if_t ifp);
void if_setmaclabel(if_t ifp, struct label *label);