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Introduce INP6_PCBHASHKEY macro. Replace usage of hardcoded part of

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IPv6 address as hash key in all places.

Obtained from:	Yandex LLC
This commit is contained in:
Andrey V. Elsukov 2014-09-10 12:35:42 +00:00
parent f7f6c6024d
commit 1b44e5ffe3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=271386
4 changed files with 17 additions and 15 deletions
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4
sys/netinet/in_pcb.c
View File

@ -2046,7 +2046,7 @@ in_pcbinshash_internal(struct inpcb *inp, int do_pcbgroup_update)
#ifdef INET6
if (inp->inp_vflag & INP_IPV6)
hashkey_faddr = inp->in6p_faddr.s6_addr32[3] /* XXX */;
hashkey_faddr = INP6_PCBHASHKEY(&inp->in6p_faddr);
else
#endif
hashkey_faddr = inp->inp_faddr.s_addr;
@ -2133,7 +2133,7 @@ in_pcbrehash_mbuf(struct inpcb *inp, struct mbuf *m)
#ifdef INET6
if (inp->inp_vflag & INP_IPV6)
hashkey_faddr = inp->in6p_faddr.s6_addr32[3] /* XXX */;
hashkey_faddr = INP6_PCBHASHKEY(&inp->in6p_faddr);
else
#endif
hashkey_faddr = inp->inp_faddr.s_addr;

1
sys/netinet/in_pcb.h
View File

@ -487,6 +487,7 @@ short inp_so_options(const struct inpcb *inp);
(((faddr) ^ ((faddr) >> 16) ^ ntohs((lport) ^ (fport))) & (mask))
#define INP_PCBPORTHASH(lport, mask) \
(ntohs((lport)) & (mask))
#define INP6_PCBHASHKEY(faddr) ((faddr)->s6_addr32[3])
/*
* Flags for inp_vflags -- historically version flags only

2
sys/netinet/in_pcbgroup.c
View File

@ -416,7 +416,7 @@ in_pcbgroup_update_internal(struct inpcbinfo *pcbinfo,
if (newpcbgroup != NULL && oldpcbgroup != newpcbgroup) {
#ifdef INET6
if (inp->inp_vflag & INP_IPV6)
hashkey_faddr = inp->in6p_faddr.s6_addr32[3]; /* XXX */
hashkey_faddr = INP6_PCBHASHKEY(&inp->in6p_faddr);
else
#endif
hashkey_faddr = inp->inp_faddr.s_addr;

25
sys/netinet6/in6_pcb.c
View File

@ -709,8 +709,9 @@ in6_pcblookup_local(struct inpcbinfo *pcbinfo, struct in6_addr *laddr,
* Look for an unconnected (wildcard foreign addr) PCB that
* matches the local address and port we're looking for.
*/
head = &pcbinfo->ipi_hashbase[INP_PCBHASH(INADDR_ANY, lport,
0, pcbinfo->ipi_hashmask)];
head = &pcbinfo->ipi_hashbase[INP_PCBHASH(
INP6_PCBHASHKEY(&in6addr_any), lport, 0,
pcbinfo->ipi_hashmask)];
LIST_FOREACH(inp, head, inp_hash) {
/* XXX inp locking */
if ((inp->inp_vflag & INP_IPV6) == 0)
@ -878,9 +879,8 @@ in6_pcblookup_group(struct inpcbinfo *pcbinfo, struct inpcbgroup *pcbgroup,
*/
tmpinp = NULL;
INP_GROUP_LOCK(pcbgroup);
head = &pcbgroup->ipg_hashbase[
INP_PCBHASH(faddr->s6_addr32[3] /* XXX */, lport, fport,
pcbgroup->ipg_hashmask)];
head = &pcbgroup->ipg_hashbase[INP_PCBHASH(
INP6_PCBHASHKEY(faddr), lport, fport, pcbgroup->ipg_hashmask)];
LIST_FOREACH(inp, head, inp_pcbgrouphash) {
/* XXX inp locking */
if ((inp->inp_vflag & INP_IPV6) == 0)
@ -985,8 +985,9 @@ in6_pcblookup_group(struct inpcbinfo *pcbinfo, struct inpcbgroup *pcbgroup,
* 3. non-jailed, non-wild.
* 4. non-jailed, wild.
*/
head = &pcbinfo->ipi_wildbase[INP_PCBHASH(INADDR_ANY, lport,
0, pcbinfo->ipi_wildmask)];
head = &pcbinfo->ipi_wildbase[INP_PCBHASH(
INP6_PCBHASHKEY(&in6addr_any), lport, 0,
pcbinfo->ipi_wildmask)];
LIST_FOREACH(inp, head, inp_pcbgroup_wild) {
/* XXX inp locking */
if ((inp->inp_vflag & INP_IPV6) == 0)
@ -1081,9 +1082,8 @@ in6_pcblookup_hash_locked(struct inpcbinfo *pcbinfo, struct in6_addr *faddr,
* First look for an exact match.
*/
tmpinp = NULL;
head = &pcbinfo->ipi_hashbase[
INP_PCBHASH(faddr->s6_addr32[3] /* XXX */, lport, fport,
pcbinfo->ipi_hashmask)];
head = &pcbinfo->ipi_hashbase[INP_PCBHASH(
INP6_PCBHASHKEY(faddr), lport, fport, pcbinfo->ipi_hashmask)];
LIST_FOREACH(inp, head, inp_hash) {
/* XXX inp locking */
if ((inp->inp_vflag & INP_IPV6) == 0)
@ -1121,8 +1121,9 @@ in6_pcblookup_hash_locked(struct inpcbinfo *pcbinfo, struct in6_addr *faddr,
* 3. non-jailed, non-wild.
* 4. non-jailed, wild.
*/
head = &pcbinfo->ipi_hashbase[INP_PCBHASH(INADDR_ANY, lport,
0, pcbinfo->ipi_hashmask)];
head = &pcbinfo->ipi_hashbase[INP_PCBHASH(
INP6_PCBHASHKEY(&in6addr_any), lport, 0,
pcbinfo->ipi_hashmask)];
LIST_FOREACH(inp, head, inp_hash) {
/* XXX inp locking */
if ((inp->inp_vflag & INP_IPV6) == 0)