sepherosa_gmail.com created this revision.
sepherosa_gmail.com added reviewers: rrs, gallatin, hselasky, np.
sepherosa_gmail.com added a subscriber: freebsd-net-list.
Herald added a reviewer: transport.
REVISION SUMMARY
Obtained from: rrs, gallatin
REVISION DETAIL
https://reviews.freebsd.org/D7499
AFFECTED FILES
sys/netinet/tcp_lro.c
EMAIL PREFERENCES
https://reviews.freebsd.org/settings/panel/emailpreferences/
To: sepherosa_gmail.com, rrs, gallatin, hselasky, np, #transport
Cc: freebsd-net-list
diff --git a/sys/netinet/tcp_lro.c b/sys/netinet/tcp_lro.c
--- a/sys/netinet/tcp_lro.c
+++ b/sys/netinet/tcp_lro.c
@@ -42,6 +42,7 @@
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
+#include <sys/sysctl.h>
#include <net/if.h>
#include <net/if_var.h>
@@ -55,6 +56,7 @@
#include <netinet/ip_var.h>
#include <netinet/tcp.h>
#include <netinet/tcp_lro.h>
+#include <netinet/tcp_var.h>
#include <netinet6/ip6_var.h>
@@ -71,6 +73,14 @@
static int tcp_lro_rx2(struct lro_ctrl *lc, struct mbuf *m,
uint32_t csum, int use_hash);
+SYSCTL_NODE(_net_inet_tcp, OID_AUTO, lro, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
+ "TCP LRO");
+
+static unsigned tcp_lro_entries = TCP_LRO_ENTRIES;
+SYSCTL_UINT(_net_inet_tcp_lro, OID_AUTO, entries,
+ CTLFLAG_RDTUN | CTLFLAG_MPSAFE, &tcp_lro_entries, 0,
+ "default number of LRO entries");
+
static __inline void
tcp_lro_active_insert(struct lro_ctrl *lc, struct lro_head *bucket,
struct lro_entry *le)
@@ -91,7 +101,7 @@
int
tcp_lro_init(struct lro_ctrl *lc)
{
- return (tcp_lro_init_args(lc, NULL, TCP_LRO_ENTRIES, 0));
+ return (tcp_lro_init_args(lc, NULL, tcp_lro_entries, 0));
}
int
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