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pktgen: adjust flag NO_TIMESTAMP to be more pktgen compliant

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Allow flag NO_TIMESTAMP to turn timestamping on again, like other flags,
with a negation of the flag like !NO_TIMESTAMP.

Also document the option flag NO_TIMESTAMP.

Fixes: afb84b6261 ("pktgen: add flag NO_TIMESTAMP to disable timestamping")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesper Dangaard Brouer 2015-05-07 16:34:51 +02:00 committed by David S. Miller
parent 4d95b72f61
commit f1f00d8ff6
2 changed files with 5 additions and 0 deletions
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2
Documentation/networking/pktgen.txt
View file

@ -145,6 +145,7 @@ Examples:
UDPCSUM,
IPSEC # IPsec encapsulation (needs CONFIG_XFRM)
NODE_ALLOC # node specific memory allocation
NO_TIMESTAMP # disable timestamping
pgset spi SPI_VALUE Set specific SA used to transform packet.
@ -287,6 +288,7 @@ flag
UDPCSUM
IPSEC
NODE_ALLOC
NO_TIMESTAMP
dst_min
dst_max

3
net/core/pktgen.c
View file

@ -1267,6 +1267,9 @@ static ssize_t pktgen_if_write(struct file *file,
else if (strcmp(f, "NO_TIMESTAMP") == 0)
pkt_dev->flags |= F_NO_TIMESTAMP;
else if (strcmp(f, "!NO_TIMESTAMP") == 0)
pkt_dev->flags &= ~F_NO_TIMESTAMP;
else {
sprintf(pg_result,
"Flag -:%s:- unknown\nAvailable flags, (prepend ! to un-set flag):\n%s",