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Cleanup comments and whitespace. No functional changes.

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This commit is contained in:
Gleb Smirnoff 2014-01-16 12:58:03 +00:00
parent a49b317c41
commit 3c065f2f3e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=260709
1 changed files with 14 additions and 18 deletions
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32
sys/netinet/ip_output.c
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@ -123,9 +123,6 @@ ip_output(struct mbuf *m, struct mbuf *opt, struct route *ro, int flags,
struct mbuf *m0;
int hlen = sizeof (struct ip);
int mtu;
#if 0
int n; /* scratchpad */
#endif
int error = 0;
struct sockaddr_in *dst;
const struct sockaddr_in *gw;
@ -158,7 +155,7 @@ ip_output(struct mbuf *m, struct mbuf *opt, struct route *ro, int flags,
#ifdef FLOWTABLE
if (ro->ro_rt == NULL) {
struct flentry *fle;
/*
* The flow table returns route entries valid for up to 30
* seconds; we rely on the remainder of ip_output() taking no
@ -205,19 +202,18 @@ ip_output(struct mbuf *m, struct mbuf *opt, struct route *ro, int flags,
/*
* dst/gw handling:
*
* dst can be rewritten but always point to &ro->ro_dst
* gw is readonly but can be pointed either to dst OR rt_gatewy
* therefore we need restore GW if we're re-doing lookup
* dst can be rewritten but always points to &ro->ro_dst.
* gw is readonly but can point either to dst OR rt_gateway,
* therefore we need restore gw if we're redoing lookup.
*/
gw = dst = (struct sockaddr_in *)&ro->ro_dst;
again:
ia = NULL;
/*
* If there is a cached route,
* check that it is to the same destination
* and is still up. If not, free it and try again.
* The address family should also be checked in case of sharing the
* cache with IPv6.
* If there is a cached route, check that it is to the same
* destination and is still up. If not, free it and try again.
* The address family should also be checked in case of sharing
* the cache with IPv6.
*/
rte = ro->ro_rt;
if (rte && ((rte->rt_flags & RTF_UP) == 0 ||
@ -770,10 +766,10 @@ ip_fragment(struct ip *ip, struct mbuf **m_frag, int mtu,
}
#endif
if (len > PAGE_SIZE) {
/*
* Fragment large datagrams such that each segment
* contains a multiple of PAGE_SIZE amount of data,
* plus headers. This enables a receiver to perform
/*
* Fragment large datagrams such that each segment
* contains a multiple of PAGE_SIZE amount of data,
* plus headers. This enables a receiver to perform
* page-flipping zero-copy optimizations.
*
* XXX When does this help given that sender and receiver
@ -787,7 +783,7 @@ ip_fragment(struct ip *ip, struct mbuf **m_frag, int mtu,
off += m->m_len;
/*
* firstlen (off - hlen) must be aligned on an
* firstlen (off - hlen) must be aligned on an
* 8-byte boundary
*/
if (off < hlen)
@ -1172,7 +1168,7 @@ ip_ctloutput(struct socket *so, struct sockopt *sopt)
case IP_OPTIONS:
case IP_RETOPTS:
if (inp->inp_options)
error = sooptcopyout(sopt,
error = sooptcopyout(sopt,
mtod(inp->inp_options,
char *),
inp->inp_options->m_len);