git: 532106f7aa29 - main - netinet: use in_broadcast() inline
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Date: Sat, 22 Feb 2025 02:12:46 UTC
The branch main has been updated by glebius:
URL: https://cgit.FreeBSD.org/src/commit/?id=532106f7aa29a5879a168030ec43119d47ee2bd5
commit 532106f7aa29a5879a168030ec43119d47ee2bd5
Author: Gleb Smirnoff <glebius@FreeBSD.org>
AuthorDate: 2025-02-22 02:11:06 +0000
Commit: Gleb Smirnoff <glebius@FreeBSD.org>
CommitDate: 2025-02-22 02:11:06 +0000
netinet: use in_broadcast() inline
There should be no functional change.
Reviewed by: rrs, markj
Differential Revision: https://reviews.freebsd.org/D49088
---
sys/netinet/in.c | 2 +-
sys/netinet/in_jail.c | 8 +-------
sys/netinet/ip_fastfwd.c | 8 +++-----
sys/netinet/ip_icmp.c | 9 ++-------
sys/netinet/ip_input.c | 4 +---
sys/netinet/sctp_output.c | 6 ++----
sys/netinet/sctp_pcb.c | 6 ++----
sys/netinet/sctputil.c | 3 +--
8 files changed, 13 insertions(+), 33 deletions(-)
diff --git a/sys/netinet/in.c b/sys/netinet/in.c
index 7d8cbc6725ad..7196eabc123e 100644
--- a/sys/netinet/in.c
+++ b/sys/netinet/in.c
@@ -1299,7 +1299,7 @@ in_ifnet_broadcast(struct in_addr in, struct ifnet *ifp)
NET_EPOCH_ASSERT();
- if (in.s_addr == INADDR_BROADCAST || in.s_addr == INADDR_ANY)
+ if (in_broadcast(in))
return (true);
if ((ifp->if_flags & IFF_BROADCAST) == 0)
return (false);
diff --git a/sys/netinet/in_jail.c b/sys/netinet/in_jail.c
index 9b6b8f670df1..7b2120f575ca 100644
--- a/sys/netinet/in_jail.c
+++ b/sys/netinet/in_jail.c
@@ -97,13 +97,7 @@ prison_qcmp_v4(const void *ip1, const void *ip2)
bool
prison_valid_v4(const void *ip)
{
- in_addr_t ia = ((const struct in_addr *)ip)->s_addr;
-
- /*
- * We do not have to care about byte order for these
- * checks so we will do them in NBO.
- */
- return (ia != INADDR_ANY && ia != INADDR_BROADCAST);
+ return (!in_broadcast(*(const struct in_addr *)ip));
}
/*
diff --git a/sys/netinet/ip_fastfwd.c b/sys/netinet/ip_fastfwd.c
index 7a80cce908c1..9b81760e58f3 100644
--- a/sys/netinet/ip_fastfwd.c
+++ b/sys/netinet/ip_fastfwd.c
@@ -278,14 +278,12 @@ ip_tryforward(struct mbuf *m)
*/
if ((m->m_flags & (M_BCAST|M_MCAST)) ||
(m->m_pkthdr.rcvif->if_flags & IFF_LOOPBACK) ||
- ntohl(ip->ip_src.s_addr) == (u_long)INADDR_BROADCAST ||
- ntohl(ip->ip_dst.s_addr) == (u_long)INADDR_BROADCAST ||
+ in_broadcast(ip->ip_src) ||
+ in_broadcast(ip->ip_dst) ||
IN_MULTICAST(ntohl(ip->ip_src.s_addr)) ||
IN_MULTICAST(ntohl(ip->ip_dst.s_addr)) ||
IN_LINKLOCAL(ntohl(ip->ip_src.s_addr)) ||
- IN_LINKLOCAL(ntohl(ip->ip_dst.s_addr)) ||
- ip->ip_src.s_addr == INADDR_ANY ||
- ip->ip_dst.s_addr == INADDR_ANY )
+ IN_LINKLOCAL(ntohl(ip->ip_dst.s_addr)) )
return m;
/*
diff --git a/sys/netinet/ip_icmp.c b/sys/netinet/ip_icmp.c
index 2b61820cdaa8..936f76e7fbe3 100644
--- a/sys/netinet/ip_icmp.c
+++ b/sys/netinet/ip_icmp.c
@@ -635,15 +635,10 @@ icmp_input(struct mbuf **mp, int *offp, int proto)
*/
if (icmplen < ICMP_MASKLEN)
break;
- switch (ip->ip_dst.s_addr) {
- case INADDR_BROADCAST:
- case INADDR_ANY:
+ if (in_broadcast(ip->ip_dst))
icmpdst.sin_addr = ip->ip_src;
- break;
-
- default:
+ else
icmpdst.sin_addr = ip->ip_dst;
- }
ia = (struct in_ifaddr *)ifaof_ifpforaddr(
(struct sockaddr *)&icmpdst, m->m_pkthdr.rcvif);
if (ia == NULL)
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c
index 3c340b376433..08c48996a798 100644
--- a/sys/netinet/ip_input.c
+++ b/sys/netinet/ip_input.c
@@ -789,9 +789,7 @@ passin:
*/
goto ours;
}
- if (ip->ip_dst.s_addr == (u_long)INADDR_BROADCAST)
- goto ours;
- if (ip->ip_dst.s_addr == INADDR_ANY)
+ if (in_broadcast(ip->ip_dst))
goto ours;
/* RFC 3927 2.7: Do not forward packets to or from IN_LINKLOCAL. */
if (IN_LINKLOCAL(ntohl(ip->ip_dst.s_addr)) ||
diff --git a/sys/netinet/sctp_output.c b/sys/netinet/sctp_output.c
index 2a3c0248be60..02ad901259f4 100644
--- a/sys/netinet/sctp_output.c
+++ b/sys/netinet/sctp_output.c
@@ -3655,8 +3655,7 @@ sctp_process_cmsgs_for_init(struct sctp_tcb *stcb, struct mbuf *control, int *er
sin.sin_len = sizeof(struct sockaddr_in);
sin.sin_port = stcb->rport;
m_copydata(control, cmsg_data_off, sizeof(struct in_addr), (caddr_t)&sin.sin_addr);
- if ((sin.sin_addr.s_addr == INADDR_ANY) ||
- (sin.sin_addr.s_addr == INADDR_BROADCAST) ||
+ if (in_broadcast(sin.sin_addr) ||
IN_MULTICAST(ntohl(sin.sin_addr.s_addr))) {
*error = EINVAL;
return (1);
@@ -3687,8 +3686,7 @@ sctp_process_cmsgs_for_init(struct sctp_tcb *stcb, struct mbuf *control, int *er
#ifdef INET
if (IN6_IS_ADDR_V4MAPPED(&sin6.sin6_addr)) {
in6_sin6_2_sin(&sin, &sin6);
- if ((sin.sin_addr.s_addr == INADDR_ANY) ||
- (sin.sin_addr.s_addr == INADDR_BROADCAST) ||
+ if (in_broadcast(sin.sin_addr) ||
IN_MULTICAST(ntohl(sin.sin_addr.s_addr))) {
*error = EINVAL;
return (1);
diff --git a/sys/netinet/sctp_pcb.c b/sys/netinet/sctp_pcb.c
index 6bbbacfa761e..185530e3bc5e 100644
--- a/sys/netinet/sctp_pcb.c
+++ b/sys/netinet/sctp_pcb.c
@@ -4130,8 +4130,7 @@ sctp_aloc_assoc_locked(struct sctp_inpcb *inp, struct sockaddr *firstaddr,
sin = (struct sockaddr_in *)firstaddr;
if ((ntohs(sin->sin_port) == 0) ||
- (sin->sin_addr.s_addr == INADDR_ANY) ||
- (sin->sin_addr.s_addr == INADDR_BROADCAST) ||
+ in_broadcast(sin->sin_addr) ||
IN_MULTICAST(ntohl(sin->sin_addr.s_addr)) ||
((inp->sctp_flags & SCTP_PCB_FLAGS_BOUND_V6) &&
(SCTP_IPV6_V6ONLY(inp) != 0))) {
@@ -6009,8 +6008,7 @@ sctp_load_addresses_from_init(struct sctp_tcb *stcb, struct mbuf *m,
/* Skip multi-cast addresses */
goto next_param;
}
- if ((sin.sin_addr.s_addr == INADDR_BROADCAST) ||
- (sin.sin_addr.s_addr == INADDR_ANY)) {
+ if (in_broadcast(sin.sin_addr)) {
goto next_param;
}
sa = (struct sockaddr *)&sin;
diff --git a/sys/netinet/sctputil.c b/sys/netinet/sctputil.c
index 17e49b413464..ddfa71d5c7ed 100644
--- a/sys/netinet/sctputil.c
+++ b/sys/netinet/sctputil.c
@@ -6634,8 +6634,7 @@ sctp_connectx_helper_add(struct sctp_tcb *stcb, struct sockaddr *addr,
case AF_INET:
incr = sizeof(struct sockaddr_in);
sin = (struct sockaddr_in *)sa;
- if ((sin->sin_addr.s_addr == INADDR_ANY) ||
- (sin->sin_addr.s_addr == INADDR_BROADCAST) ||
+ if (in_broadcast(sin->sin_addr) ||
IN_MULTICAST(ntohl(sin->sin_addr.s_addr))) {
SCTP_LTRACE_ERR_RET(NULL, stcb, NULL, SCTP_FROM_SCTPUTIL, EINVAL);
(void)sctp_free_assoc(inp, stcb, SCTP_NORMAL_PROC,