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openvswitch: Add support for OVS_FLOW_ATTR_PROBE.

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This new flag is useful for suppressing error logging while probing
for datapath features using flow commands.  For backwards
compatibility reasons the commands are executed normally, but error
logging is suppressed.

Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
This commit is contained in:
Jarno Rajahalme 2014-11-06 07:03:05 -08:00 • committed by Pravin B Shelar
parent 12eb18f711
commit 05da5898a9
7 changed files with 208 additions and 168 deletions
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6
net/openvswitch/datapath.h
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@ -199,9 +199,9 @@ void ovs_dp_notify_wq(struct work_struct *work);
int action_fifos_init(void);
void action_fifos_exit(void);
#define OVS_NLERR(fmt, ...) \
#define OVS_NLERR(logging_allowed, fmt, ...) \
do { \
if (net_ratelimit()) \
pr_info("netlink: " fmt, ##__VA_ARGS__); \
if (logging_allowed && net_ratelimit()) \
pr_info("netlink: " fmt "\n", ##__VA_ARGS__); \
} while (0)
#endif /* datapath.h */