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hmm

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This commit is contained in:
JackDoan
2025-11-04 15:40:33 -06:00
parent 2ea8a72d5c
commit 2ab75709ad
6 changed files with 73 additions and 61 deletions
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14
udp/udp_linux_64.go
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@@ -7,6 +7,7 @@
package udp
import (
"github.com/slackhq/nebula/packet"
"golang.org/x/sys/unix"
)
@@ -33,17 +34,20 @@ type rawMessage struct {
Pad0 [4]byte
}
func (u *StdConn) PrepareRawMessages(n int) ([]rawMessage, [][]byte, [][]byte) {
func (u *StdConn) PrepareRawMessages(n int, pg PacketBufferGetter) ([]rawMessage, []*packet.Packet, [][]byte) {
msgs := make([]rawMessage, n)
buffers := make([][]byte, n)
names := make([][]byte, n)
packets := make([]*packet.Packet, n)
for i := range packets {
packets[i] = pg()
}
for i := range msgs {
buffers[i] = make([]byte, MTU)
names[i] = make([]byte, unix.SizeofSockaddrInet6)
vs := []iovec{
{Base: &buffers[i][0], Len: uint64(len(buffers[i]))},
{Base: &packets[i].Payload[0], Len: uint64(packet.Size)},
}
msgs[i].Hdr.Iov = &vs[0]
@@ -53,5 +57,5 @@ func (u *StdConn) PrepareRawMessages(n int) ([]rawMessage, [][]byte, [][]byte) {
msgs[i].Hdr.Namelen = uint32(len(names[i]))
}
return msgs, buffers, names
return msgs, packets, names
}