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{pktgen, xfrm} Document IPsec usage in pktgen.txt 

Update pktgen.txt for reference when using IPsec.

Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Fan Du 2014-01-03 11:18:34 +08:00 committed by Steffen Klassert
parent 8101328b79
commit e5f79d111f
1 changed files with 15 additions and 0 deletions
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15
Documentation/networking/pktgen.txt
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@ -108,7 +108,9 @@ Examples:
MPLS_RND, VID_RND, SVID_RND MPLS_RND, VID_RND, SVID_RND
QUEUE_MAP_RND # queue map random QUEUE_MAP_RND # queue map random
QUEUE_MAP_CPU # queue map mirrors smp_processor_id() QUEUE_MAP_CPU # queue map mirrors smp_processor_id()
IPSEC # Make IPsec encapsulation for packet
pgset spi SPI_VALUE Set specific SA used to transform packet.
pgset "udp_src_min 9" set UDP source port min, If < udp_src_max, then pgset "udp_src_min 9" set UDP source port min, If < udp_src_max, then
cycle through the port range. cycle through the port range.
@ -177,6 +179,18 @@ Note when adding devices to a specific CPU there good idea to also assign
/proc/irq/XX/smp_affinity so the TX-interrupts gets bound to the same CPU. /proc/irq/XX/smp_affinity so the TX-interrupts gets bound to the same CPU.
as this reduces cache bouncing when freeing skb's. as this reduces cache bouncing when freeing skb's.
Enable IPsec
============
Default IPsec transformation with ESP encapsulation plus Transport mode
could be enabled by simply setting:
pgset "flag IPSEC"
pgset "flows 1"
To avoid breaking existing testbed scripts for using AH type and tunnel mode,
user could use "pgset spi SPI_VALUE" to specify which formal of transformation
to employ.
Current commands and configuration options Current commands and configuration options
========================================== ==========================================
@ -225,6 +239,7 @@ flag
UDPDST_RND UDPDST_RND
MACSRC_RND MACSRC_RND
MACDST_RND MACDST_RND
IPSEC
dst_min dst_min
dst_max dst_max