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[Qemu-devel] [PATCH 42/44] net: check for TUNSETOFFLOAD support before t
From: |
Mark McLoughlin |
Subject: |
[Qemu-devel] [PATCH 42/44] net: check for TUNSETOFFLOAD support before trying to enable offload features |
Date: |
Wed, 25 Nov 2009 18:49:35 +0000 |
From: Pierre Riteau <address@hidden>
This avoids the "TUNSETOFFLOAD ioctl() failed: Invalid argument" message
on kernels without TUNSETOFFLOAD support.
Signed-off-by: Pierre Riteau <address@hidden>
Signed-off-by: Mark McLoughlin <address@hidden>
---
net/tap-linux.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/net/tap-linux.c b/net/tap-linux.c
index e4f7e27..6af9e82 100644
--- a/net/tap-linux.c
+++ b/net/tap-linux.c
@@ -131,6 +131,11 @@ void tap_fd_set_offload(int fd, int csum, int tso4,
{
unsigned int offload = 0;
+ /* Check if our kernel supports TUNSETOFFLOAD */
+ if (ioctl(fd, TUNSETOFFLOAD, 0) != 0 && errno == EINVAL) {
+ return;
+ }
+
if (csum) {
offload |= TUN_F_CSUM;
if (tso4)
--
1.6.5.2
- [Qemu-devel] [PATCH 26/44] net: convert LAN9118 to NICState, (continued)
- [Qemu-devel] [PATCH 26/44] net: convert LAN9118 to NICState, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 39/44] net: fix qemu_announce_self(), Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 41/44] net: fix TAP networking on host kernels without IFF_VNET_HDR support, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 14/44] net: convert vde to NetClientInfo, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 33/44] net: convert xilinx_ethlite to NICState, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 36/44] net: remove qemu_new_vlan_client(), Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 38/44] net: add qemu_foreach_nic(), Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 40/44] net: print correct error for '-netdev ""', Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 32/44] net: convert usb-net to NICState, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 43/44] net: initialize vnet_hdr in net_init_tap(), Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 42/44] net: check for TUNSETOFFLOAD support before trying to enable offload features,
Mark McLoughlin <=
- [Qemu-devel] [PATCH 25/44] net: convert etrax to NICState, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 27/44] net: convert mcf_fec to NICState, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 37/44] net: remove VLANClientState members now in NetClientInfo, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 23/44] net: convert eepro100 to NICState, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 30/44] net: convert smc91c111 to NICState, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 19/44] net: convert e1000 to NICState, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 20/44] net: convert rtl8139 to NICState, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 15/44] net: convert socket to NetClientInfo, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 18/44] net: convert virtio to NICState, Mark McLoughlin, 2009/11/25
- [Qemu-devel] [PATCH 08/44] net: introduce NetClientInfo, Mark McLoughlin, 2009/11/25