diff options
| author | Stephen Hemminger <stephen@networkplumber.org> | 2015-04-10 01:03:21 -0400 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2015-04-10 01:03:54 -0400 |
| commit | d7018be0ae2aee988331d2908234d1a1ee3196ac (patch) | |
| tree | ff950ea87d5317f71b29e12f9a78afae69a8ed2e /Documentation/networking | |
| parent | c0a34ebd43959ca83df86ba2ffc63ab0ddb2ea75 (diff) | |
ixgbe: fix documentation
The MTU values in the documentation do not match the source.
The source has frame limit of IXGBE_MAX_JUMBO_FRAME_SIZE (9728)
which is MTU of 9710 because of the accounting for Ethernet header
and CRC.
Also, don't refer to the obsolete ifconfig command.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/ixgbe.txt | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/networking/ixgbe.txt b/Documentation/networking/ixgbe.txt index 0ace6e776ac8..6f0cb57b59c6 100644 --- a/Documentation/networking/ixgbe.txt +++ b/Documentation/networking/ixgbe.txt | |||
| @@ -70,10 +70,10 @@ Avago 1000BASE-T SFP ABCU-5710RZ | |||
| 70 | 82599-based adapters support all passive and active limiting direct attach | 70 | 82599-based adapters support all passive and active limiting direct attach |
| 71 | cables that comply with SFF-8431 v4.1 and SFF-8472 v10.4 specifications. | 71 | cables that comply with SFF-8431 v4.1 and SFF-8472 v10.4 specifications. |
| 72 | 72 | ||
| 73 | Laser turns off for SFP+ when ifconfig down | 73 | Laser turns off for SFP+ when device is down |
| 74 | ------------------------------------------- | 74 | ------------------------------------------- |
| 75 | "ifconfig down" turns off the laser for 82599-based SFP+ fiber adapters. | 75 | "ip link set down" turns off the laser for 82599-based SFP+ fiber adapters. |
| 76 | "ifconfig up" turns on the laser. | 76 | "ip link set up" turns on the laser. |
| 77 | 77 | ||
| 78 | 78 | ||
| 79 | 82598-BASED ADAPTERS | 79 | 82598-BASED ADAPTERS |
| @@ -213,13 +213,13 @@ Additional Configurations | |||
| 213 | ------------ | 213 | ------------ |
| 214 | The driver supports Jumbo Frames for all adapters. Jumbo Frames support is | 214 | The driver supports Jumbo Frames for all adapters. Jumbo Frames support is |
| 215 | enabled by changing the MTU to a value larger than the default of 1500. | 215 | enabled by changing the MTU to a value larger than the default of 1500. |
| 216 | The maximum value for the MTU is 16110. Use the ifconfig command to | 216 | The maximum value for the MTU is 16110. Use the ip command to |
| 217 | increase the MTU size. For example: | 217 | increase the MTU size. For example: |
| 218 | 218 | ||
| 219 | ifconfig ethx mtu 9000 up | 219 | ip link set dev ethx mtu 9000 |
| 220 | 220 | ||
| 221 | The maximum MTU setting for Jumbo Frames is 16110. This value coincides | 221 | The maximum MTU setting for Jumbo Frames is 9710. This value coincides |
| 222 | with the maximum Jumbo Frames size of 16128. | 222 | with the maximum Jumbo Frames size of 9728. |
| 223 | 223 | ||
| 224 | Generic Receive Offload, aka GRO | 224 | Generic Receive Offload, aka GRO |
| 225 | -------------------------------- | 225 | -------------------------------- |