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Make sysctl identifiers for direct netisr queue unique.

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Introduce IPCTL_INTRDQMAXLEN and IPCTL_INTRDQDROPS macros for this purpose.

Reviewed by:	gnn
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D10358
This commit is contained in:
Andrey V. Elsukov 2017-04-11 19:20:20 +00:00
parent df4817fede
commit 7faa0d213b
2 changed files with 6 additions and 4 deletions
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2
sys/netinet/in.h
View File

@ -633,6 +633,8 @@ int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t,
#define IPCTL_FASTFORWARDING 14 /* use fast IP forwarding code */
/* 15, unused, was: IPCTL_KEEPFAITH */
#define IPCTL_GIF_TTL 16 /* default TTL for gif encap packet */
#define IPCTL_INTRDQMAXLEN 17 /* max length of direct netisr queue */
#define IPCTL_INTRDQDROPS 18 /* number of direct netisr q drops */
#endif /* __BSD_VISIBLE */

8
sys/netinet/ip_input.c
View File

@ -266,9 +266,9 @@ sysctl_netinet_intr_direct_queue_maxlen(SYSCTL_HANDLER_ARGS)
return (EINVAL);
return (netisr_setqlimit(&ip_direct_nh, qlimit));
}
SYSCTL_PROC(_net_inet_ip, IPCTL_INTRQMAXLEN, intr_direct_queue_maxlen,
CTLTYPE_INT|CTLFLAG_RW, 0, 0, sysctl_netinet_intr_direct_queue_maxlen, "I",
"Maximum size of the IP direct input queue");
SYSCTL_PROC(_net_inet_ip, IPCTL_INTRDQMAXLEN, intr_direct_queue_maxlen,
CTLTYPE_INT|CTLFLAG_RW, 0, 0, sysctl_netinet_intr_direct_queue_maxlen,
"I", "Maximum size of the IP direct input queue");
static int
sysctl_netinet_intr_direct_queue_drops(SYSCTL_HANDLER_ARGS)
@ -287,7 +287,7 @@ sysctl_netinet_intr_direct_queue_drops(SYSCTL_HANDLER_ARGS)
return (0);
}
SYSCTL_PROC(_net_inet_ip, IPCTL_INTRQDROPS, intr_direct_queue_drops,
SYSCTL_PROC(_net_inet_ip, IPCTL_INTRDQDROPS, intr_direct_queue_drops,
CTLTYPE_INT|CTLFLAG_RD, 0, 0, sysctl_netinet_intr_direct_queue_drops, "I",
"Number of packets dropped from the IP direct input queue");
#endif /* RSS */