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| author | glebius <glebius@FreeBSD.org> | 2011-10-11 15:41:07 +0000 |
|---|---|---|
| committer | glebius <glebius@FreeBSD.org> | 2011-10-11 15:41:07 +0000 |
| commit | 3047071308102e8980d5ab7f38326f69254ea384 (patch) | |
| tree | 90a0ed65b0676215eeb29efddecfa7d4cc81a6db /share/man/man4/em.4 | |
| parent | 0fb3102c12b669417c078f617889c3ddd5e59fe4 (diff) | |
| download | FreeBSD-src-3047071308102e8980d5ab7f38326f69254ea384.zip FreeBSD-src-3047071308102e8980d5ab7f38326f69254ea384.tar.gz | |
Properly document default number of rx/tx descriptors for Intel cards.
Diffstat (limited to 'share/man/man4/em.4')
| -rw-r--r-- | share/man/man4/em.4 | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/share/man/man4/em.4 b/share/man/man4/em.4 index 842f9ee..709463f 100644 --- a/share/man/man4/em.4 +++ b/share/man/man4/em.4 @@ -31,7 +31,7 @@ .\" .\" $FreeBSD$ .\" -.Dd May 14, 2010 +.Dd October 11, 2010 .Dt EM 4 .Os .Sh NAME @@ -199,12 +199,14 @@ prompt before booting the kernel or stored in .Bl -tag -width indent .It Va hw.em.rxd Number of receive descriptors allocated by the driver. -The default value is 256. +The default value is 1024 for adapters newer than 82547, +and 256 for older ones. The 82542 and 82543-based adapters can handle up to 256 descriptors, while others can have up to 4096. .It Va hw.em.txd Number of transmit descriptors allocated by the driver. -The default value is 256. +The default value is 1024 for adapters newer than 82547, +and 256 for older ones. The 82542 and 82543-based adapters can handle up to 256 descriptors, while others can have up to 4096. .It Va hw.em.rx_int_delay |
