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Add spares to struct ifnet and socket for packet pacing and/or general

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use.  Update comments regarding the spare fields in struct inpcb.

Bump __FreeBSD_version for the changes to the size of the structures.

Reviewed by:	gnn@
Approved by:	re@ (gjb@)
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2016-06-23 21:07:15 +00:00
parent ddc2f805a5
commit f22bfc72f8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=302153
4 changed files with 8 additions and 3 deletions
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2
sys/net/if_var.h
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@ -311,6 +311,8 @@ struct ifnet {
* that structure can be enhanced without changing the kernel
* binary interface.
*/
void *if_pspare[4]; /* packet pacing / general use */
int if_ispare[4]; /* packet pacing / general use */
};
/* for compatibility with other BSDs */

4
sys/netinet/in_pcb.h
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@ -202,10 +202,10 @@ struct inpcb {
u_char inp_ip_minttl; /* (i) minimum TTL or drop */
uint32_t inp_flowid; /* (x) flow id / queue id */
u_int inp_refcount; /* (i) refcount */
void *inp_pspare[5]; /* (x) route caching / general use */
void *inp_pspare[5]; /* (x) packet pacing / general use */
uint32_t inp_flowtype; /* (x) M_HASHTYPE value */
uint32_t inp_rss_listen_bucket; /* (x) overridden RSS listen bucket */
u_int inp_ispare[4]; /* (x) route caching / user cookie /
u_int inp_ispare[4]; /* (x) packet pacing / user cookie /
* general use */
/* Local and foreign ports, local and foreign addr. */

2
sys/sys/param.h
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@ -58,7 +58,7 @@
* in the range 5 to 9.
*/
#undef __FreeBSD_version
#define __FreeBSD_version 1100119 /* Master, propagated to newvers */
#define __FreeBSD_version 1100120 /* Master, propagated to newvers */
/*
* __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,

3
sys/sys/socketvar.h
View File

@ -126,6 +126,9 @@ struct socket {
*/
int so_fibnum; /* routing domain for this socket */
uint32_t so_user_cookie;
void *so_pspare[2]; /* packet pacing / general use */
int so_ispare[2]; /* packet pacing / general use */
};
/*