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| author | Pyun YongHyeon <yongari@FreeBSD.org> | 2009-09-28 19:40:16 +0000 |
|---|---|---|
| committer | Pyun YongHyeon <yongari@FreeBSD.org> | 2009-09-28 19:40:16 +0000 |
| commit | 829b278e5e450b99a71b1b2c8316856cea5b836a (patch) | |
| tree | 31b8bcb8bf5c58432e19a5adfcde4377b6180daa /sys/dev/fxp | |
| parent | 32f8942a2177ae0aeae87bcc9f29aa81eaea77ee (diff) | |
| download | src-829b278e5e450b99a71b1b2c8316856cea5b836a.tar.gz src-829b278e5e450b99a71b1b2c8316856cea5b836a.zip | |
It seems some 82559ER controllers do not support Rx checksum
offloading. Datasheet said nothing about the limitation of 82559ER
except WOL. Explicitly disable Rx checksum offloading for
controllers that is known to lack the capability.
PR: kern/138135
Tested by: Gooderum, Mark < mgooderum <> websense dot com >
Notes
Notes:
svn path=/head/; revision=197586
Diffstat (limited to 'sys/dev/fxp')
| -rw-r--r-- | sys/dev/fxp/if_fxp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/dev/fxp/if_fxp.c b/sys/dev/fxp/if_fxp.c index 4fb890f02b0b..a8d961eb0fb8 100644 --- a/sys/dev/fxp/if_fxp.c +++ b/sys/dev/fxp/if_fxp.c @@ -631,8 +631,11 @@ fxp_attach(device_t dev) } /* For 82559 or later chips, Rx checksum offload is supported. */ - if (sc->revision >= FXP_REV_82559_A0) - sc->flags |= FXP_FLAG_82559_RXCSUM; + if (sc->revision >= FXP_REV_82559_A0) { + /* 82559ER does not support Rx checksum offloading. */ + if (sc->ident->devid != 0x1209) + sc->flags |= FXP_FLAG_82559_RXCSUM; + } /* * Enable use of extended RFDs and TCBs for 82550 * and later chips. Note: we need extended TXCB support |