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Implement ioctl arp translation

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This commit is contained in:
Jiajie Chen 2019-04-05 01:16:26 +08:00
parent 55df9ca892
commit b0c9087f0f
9 changed files with 46 additions and 23 deletions
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6
kernel/Cargo.lock generated
View File

@ -333,7 +333,7 @@ dependencies = [
"rcore-memory 0.1.0",
"rcore-thread 0.1.0 (git+https://github.com/rcore-os/rcore-thread)",
"riscv 0.5.0 (git+https://github.com/rcore-os/riscv)",
"smoltcp 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
"smoltcp 0.5.0 (git+https://github.com/rcore-os/smoltcp)",
"spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
"uart_16550 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"volatile 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
@ -443,7 +443,7 @@ dependencies = [
[[package]]
name = "smoltcp"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
source = "git+https://github.com/rcore-os/smoltcp#107d299b41a8f8cc370e3105dda38acc33609483"
dependencies = [
"bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
"byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@ -647,7 +647,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
"checksum skeptic 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "061203a849117b0f7090baf8157aa91dac30545208fbb85166ac58b4ca33d89c"
"checksum smoltcp 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fef582369edb298c6c41319a544ca9c4e83622f226055ccfcb35974fbb55ed34"
"checksum smoltcp 0.5.0 (git+https://github.com/rcore-os/smoltcp)" = "<none>"
"checksum spin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "ceac490aa12c567115b40b7b7fceca03a6c9d53d5defea066123debc83c5dc1f"
"checksum spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44363f6f51401c34e7be73db0db371c04705d35efbe9f7d6082e03a921a32c55"
"checksum static_assertions 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "389ce475f424f267dbed6479cbd8f126c5e1afb053b0acdaa019c74305fc65d1"

6
kernel/Makefile
View File

@ -62,8 +62,7 @@ endif
### qemu options ###
qemu_opts := \
-smp cores=$(smp)
qemu_net_opts := \
-netdev type=tap,id=net0,script=no,downscript=no
qemu_net_opts :=
ifeq ($(arch), x86_64)
qemu_opts += \
@ -76,6 +75,7 @@ qemu_opts += \
-device isa-debug-exit
ifeq ($(pci_passthru), )
qemu_net_opts += \
-netdev type=tap,id=net0,script=no,downscript=no \
-device e1000e,netdev=net0
else
qemu_opts += \
@ -96,6 +96,7 @@ qemu_opts += \
-drive file=$(SFSIMG),format=qcow2,id=sfs \
-device virtio-blk-device,drive=sfs
qemu_net_opts += \
-netdev type=tap,id=net0,script=no,downscript=no \
-device virtio-net-device,netdev=net0
else ifeq ($(arch), riscv64)
@ -105,6 +106,7 @@ qemu_opts += \
-drive file=$(SFSIMG),format=qcow2,id=sfs \
-device virtio-blk-device,drive=sfs
qemu_net_opts += \
-netdev type=tap,id=net0,script=no,downscript=no \
-device virtio-net-device,netdev=net0
else ifeq ($(arch), aarch64)

8
kernel/src/drivers/bus/pci.rs
View File

@ -132,9 +132,11 @@ pub fn init_driver(dev: &PCIDevice) {
active_table().map_if_not_exists(KERNEL_OFFSET + current_addr, current_addr);
current_addr = current_addr + PAGE_SIZE;
}
PCI_DRIVERS
.lock()
.insert(dev.loc, ixgbe::ixgbe_init(name, irq, vaddr, len as usize));
let index = NET_DRIVERS.read().len();
PCI_DRIVERS.lock().insert(
dev.loc,
ixgbe::ixgbe_init(name, irq, vaddr, len as usize, index),
);
}
}
(0x8086, 0x2922) => {

7
kernel/src/drivers/mod.rs
View File

@ -3,7 +3,7 @@ use alloc::sync::Arc;
use alloc::vec::Vec;
use lazy_static::lazy_static;
use smoltcp::wire::{EthernetAddress, Ipv4Address};
use smoltcp::wire::{EthernetAddress, IpAddress, Ipv4Address};
use spin::RwLock;
use crate::sync::Condvar;
@ -71,6 +71,11 @@ pub trait Driver: Send + Sync {
unimplemented!("not a net driver")
}
// get mac address from ip address in arp table
fn get_arp(&self, ip: IpAddress) -> Option<EthernetAddress> {
unimplemented!("not a net driver")
}
// block related drivers should implement these
fn read_block(&self, block_id: usize, buf: &mut [u8]) -> bool {
unimplemented!("not a block driver")

9
kernel/src/drivers/net/e1000.rs
View File

@ -150,7 +150,6 @@ impl Driver for E1000Interface {
}
}
// send an ethernet frame, only use it when necessary
fn send(&self, data: &[u8]) -> Option<usize> {
use smoltcp::phy::TxToken;
let token = E1000TxToken(self.driver.clone());
@ -166,6 +165,12 @@ impl Driver for E1000Interface {
None
}
}
fn get_arp(&self, ip: IpAddress) -> Option<EthernetAddress> {
let iface = self.iface.lock();
let cache = iface.neighbor_cache();
cache.lookup_pure(&ip, Instant::from_millis(0))
}
}
#[repr(C)]
@ -493,7 +498,7 @@ pub fn e1000_init(name: String, irq: Option<u32>, header: usize, size: usize, in
.neighbor_cache(neighbor_cache)
.finalize();
info!("e1000 interface {} has addr 10.0.{}.2/24", name, index);
info!("e1000 interface {} up with addr 10.0.{}.2/24", name, index);
let e1000_iface = E1000Interface {
iface: Mutex::new(iface),
driver: net_driver.clone(),

16
kernel/src/drivers/net/ixgbe.rs
View File

@ -100,6 +100,12 @@ impl Driver for IXGBEInterface {
}
}
}
fn get_arp(&self, ip: IpAddress) -> Option<EthernetAddress> {
let iface = self.iface.lock();
let cache = iface.neighbor_cache();
cache.lookup_pure(&ip, Instant::from_millis(0))
}
}
pub struct IXGBERxToken(Vec<u8>);
pub struct IXGBETxToken(IXGBEDriver);
@ -171,6 +177,7 @@ pub fn ixgbe_init(
irq: Option<u32>,
header: usize,
size: usize,
index: usize,
) -> Arc<IXGBEInterface> {
let _ = FlagsGuard::no_irq_region();
let ixgbe = ixgbe::IXGBEDriver::init(Provider::new(), header, size);
@ -185,12 +192,9 @@ pub fn ixgbe_init(
mtu: 1500,
};
let ip_addrs = [IpCidr::new(IpAddress::v4(10, 0, 0, 2), 24)];
let ip_addrs = [IpCidr::new(IpAddress::v4(10, 0, index as u8, 2), 24)];
let neighbor_cache = NeighborCache::new(BTreeMap::new());
let mut routes = Routes::new(BTreeMap::new());
routes
.add_default_ipv4_route(Ipv4Address::new(10, 0, 0, 1))
.unwrap();
let routes = Routes::new(BTreeMap::new());
let mut iface = EthernetInterfaceBuilder::new(net_driver.clone())
.ethernet_addr(ethernet_addr)
.ip_addrs(ip_addrs)
@ -198,7 +202,7 @@ pub fn ixgbe_init(
.routes(routes)
.finalize();
info!("ixgbe: interface {} up", &name);
info!("ixgbe interface {} up with addr 10.0.{}.2/24", name, index);
let ixgbe_iface = IXGBEInterface {
iface: Mutex::new(iface),

10
kernel/src/net/structs.rs
View File

@ -505,7 +505,7 @@ impl Socket for UdpSocketState {
// SIOCGARP
0x8954 => {
// FIXME: check addr
let req = unsafe { &mut *(request as *mut ArpReq) };
let req = unsafe { &mut *(arg1 as *mut ArpReq) };
if let AddressFamily::Internet = AddressFamily::from(req.arp_pa.family) {
let name = req.arp_dev.as_ptr();
let ifname = unsafe { util::from_cstr(name) };
@ -518,6 +518,14 @@ impl Socket for UdpSocketState {
for iface in NET_DRIVERS.read().iter() {
if iface.get_ifname() == ifname {
debug!("get arp matched ifname {}", ifname);
return match iface.get_arp(addr) {
Some(mac) => {
// TODO: update flags
req.arp_ha.data[0..6].copy_from_slice(mac.as_bytes());
Ok(0)
}
None => Err(SysError::ENOENT),
};
}
}
Err(SysError::ENOENT)

5
kernel/src/syscall/mod.rs
View File

@ -70,10 +70,7 @@ pub fn syscall(id: usize, args: [usize; 6], tf: &mut TrapFrame) -> isize {
warn!("sys_sigprocmask is unimplemented");
Ok(0)
}
SYS_IOCTL => {
warn!("sys_ioctl is unimplemented");
Ok(0)
}
SYS_IOCTL => sys_ioctl(args[0], args[1], args[2], args[3], args[4]),
SYS_PREAD64 => sys_pread(args[0], args[1] as *mut u8, args[2], args[3]),
SYS_PWRITE64 => sys_pwrite(args[0], args[1] as *const u8, args[2], args[3]),
SYS_READV => sys_readv(args[0], args[1] as *const IoVec, args[2]),