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| author | andre <andre@FreeBSD.org> | 2013-08-19 13:27:32 +0000 |
|---|---|---|
| committer | andre <andre@FreeBSD.org> | 2013-08-19 13:27:32 +0000 |
| commit | 7cc6cc696c12dcee5a294f67527cebb28374c49e (patch) | |
| tree | 4bf04ae1ab9f3c2b9ed6d2ce7bcd15edb4b3a1f0 /sys/netinet/if_ether.c | |
| parent | a84c641767af511112a0ead58df9bf7937868cde (diff) | |
| download | FreeBSD-src-7cc6cc696c12dcee5a294f67527cebb28374c49e.zip FreeBSD-src-7cc6cc696c12dcee5a294f67527cebb28374c49e.tar.gz | |
Add m_clrprotoflags() to clear protocol specific mbuf flags at up and
downwards layer crossings.
Consistently use it within IP, IPv6 and ethernet protocols.
Discussed with: trociny, glebius
Diffstat (limited to 'sys/netinet/if_ether.c')
| -rw-r--r-- | sys/netinet/if_ether.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/netinet/if_ether.c b/sys/netinet/if_ether.c index 675e0dd..9660edc 100644 --- a/sys/netinet/if_ether.c +++ b/sys/netinet/if_ether.c @@ -281,6 +281,7 @@ arprequest(struct ifnet *ifp, const struct in_addr *sip, sa.sa_family = AF_ARP; sa.sa_len = 2; m->m_flags |= M_BCAST; + m_clrprotoflags(m); /* Avoid confusing lower layers. */ (*ifp->if_output)(ifp, m, &sa, NULL); ARPSTAT_INC(txrequests); } @@ -784,6 +785,8 @@ match: for (; m_hold != NULL; m_hold = m_hold_next) { m_hold_next = m_hold->m_nextpkt; m_hold->m_nextpkt = NULL; + /* Avoid confusing lower layers. */ + m_clrprotoflags(m_hold); (*ifp->if_output)(ifp, m_hold, &sa, NULL); } } else @@ -888,6 +891,7 @@ reply: m->m_pkthdr.rcvif = NULL; sa.sa_family = AF_ARP; sa.sa_len = 2; + m_clrprotoflags(m); /* Avoid confusing lower layers. */ (*ifp->if_output)(ifp, m, &sa, NULL); ARPSTAT_INC(txreplies); return; |
