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GSO/GRO offloads, with TCP+ECN and UDP support

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This commit is contained in:
JackDoan
2026-04-17 10:25:05 -05:00
parent 4b4331ba42
commit 6a46a2913a
60 changed files with 6915 additions and 283 deletions
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14
udp/udp_linux_64.go
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@@ -33,11 +33,16 @@ type rawMessage struct {
Pad0 [4]byte
}
func (u *StdConn) PrepareRawMessages(n, bufSize int) ([]rawMessage, [][]byte, [][]byte) {
func (u *StdConn) PrepareRawMessages(n, bufSize, cmsgSpace int) ([]rawMessage, [][]byte, [][]byte, []byte) {
msgs := make([]rawMessage, n)
buffers := make([][]byte, n)
names := make([][]byte, n)
var cmsgs []byte
if cmsgSpace > 0 {
cmsgs = make([]byte, n*cmsgSpace)
}
for i := range msgs {
buffers[i] = make([]byte, bufSize)
names[i] = make([]byte, unix.SizeofSockaddrInet6)
@@ -51,9 +56,14 @@ func (u *StdConn) PrepareRawMessages(n, bufSize int) ([]rawMessage, [][]byte, []
msgs[i].Hdr.Name = &names[i][0]
msgs[i].Hdr.Namelen = uint32(len(names[i]))
if cmsgSpace > 0 {
msgs[i].Hdr.Control = &cmsgs[i*cmsgSpace]
msgs[i].Hdr.Controllen = uint64(cmsgSpace)
}
}
return msgs, buffers, names
return msgs, buffers, names, cmsgs
}
func setIovLen(v *iovec, n int) {