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author | Conrad Meyer <cem@FreeBSD.org> | 2015-10-20 01:54:43 +0000 |
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committer | Conrad Meyer <cem@FreeBSD.org> | 2015-10-20 01:54:43 +0000 |
commit | 98580c064ce3be79c21448ff11f2ca140dbcf86a (patch) | |
tree | 90d2f6b066273446e17216f43ce30e8ae4bda780 /sys/dev/ntb/if_ntb/if_ntb.c | |
parent | 6a88fb3ef8b0da18a694b9fd75e6000a91ba57df (diff) | |
download | src-98580c064ce3be79c21448ff11f2ca140dbcf86a.tar.gz src-98580c064ce3be79c21448ff11f2ca140dbcf86a.zip |
NTB: MFV 9891417d: Increase transport MTU to 64k from 16k
Benchmarking showed a significant performance increase with the MTU size
to 64k instead of 16k. Change the driver default to 64k.
Authored by: Dave Jiang
Obtained from: Linux (Dual BSD/GPL driver)
Sponsored by: EMC / Isilon Storage Division
Notes
Notes:
svn path=/head/; revision=289616
Diffstat (limited to 'sys/dev/ntb/if_ntb/if_ntb.c')
-rw-r--r-- | sys/dev/ntb/if_ntb/if_ntb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/ntb/if_ntb/if_ntb.c b/sys/dev/ntb/if_ntb/if_ntb.c index 3f33628b4bbf..7e6fe2272513 100644 --- a/sys/dev/ntb/if_ntb/if_ntb.c +++ b/sys/dev/ntb/if_ntb/if_ntb.c @@ -90,7 +90,7 @@ enum ntb_link_event { NTB_LINK_UP, }; -static unsigned int transport_mtu = 0x4000 + ETHER_HDR_LEN + ETHER_CRC_LEN; +static unsigned int transport_mtu = 0x10000 + ETHER_HDR_LEN + ETHER_CRC_LEN; static uint64_t max_mw_size; SYSCTL_UQUAD(_hw_ntb, OID_AUTO, max_mw_size, CTLFLAG_RDTUN, &max_mw_size, 0, |