0f62d63593
Add a new command "tunnel_tso set <tso_segsz> <port>" to enable
segmentation offload and set MSS to tso_segsz. Another command,
"tunnel_tso show <port>" is added to show tunneled packet MSS.
Result 0 means tunnel_tso is disabled.
The original commands, "tso set <tso_segsz> <port>" and "tso show
<port>" are only reponsible for non-tunneled packets. And the new
commands are for tunneled packets.
Below conditions are needed to make it work:
a. tunnel TSO is supported by the NIC;
b. "csum parse_tunnel" must be set so that tunneled pkts are
recognized;
c. for tunneled pkts with outer L3 is IPv4, "csum set outer-ip"
must be set to hw, because after tso, total_len of outer IP
header is changed, and the checksum of outer IP header calculated
by sw should be wrong; that is not necessary for IPv6 tunneled
pkts because there's no checksum field to be filled anymore.
Suggested-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Signed-off-by: Zhe Tao <zhe.tao@intel.com>
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
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| .. | ||
| cmdline_test | ||
| pdump | ||
| proc_info | ||
| test | ||
| test-acl | ||
| test-pipeline | ||
| test-pmd | ||
| Makefile | ||