Andre Oppermann wrote:
andre 2006-09-06 21:51:59 UTC
FreeBSD src repository
Modified files:
sys/net if.h
sys/netinet ip_output.c tcp_input.c tcp_subr.c
tcp_var.h
sys/netinet6 icmp6.c
sys/sys mbuf.h
Log:
First step of TSO (TCP segmentation offload) support in our network stack.
o add IFCAP_TSO[46] for drivers to announce this capability for IPv4 and IPv6
o add CSUM_TSO flag to mbuf pkthdr csum_flags field
o add tso_segsz field to mbuf pkthdr
o enhance ip_output() packet length check to allow for large TSO packets
o extend tcp_maxmtu[46]() with a flag pointer to pass interface capabilities
o adjust all callers of tcp_maxmtu[46]() accordingly
Step 2 (the tcp_output() changes) follows as soon as the Intel guys are
done with testing in their lab together with an extended em(4) driver.
--
Andre
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