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libcxgb,iw_cxgb4,cxgbit: add cxgb_find_route6()

Browse source 
Add cxgb_find_route6() in libcxgb_cm.c to remove
it's duplicate definitions from cxgb4/cm.c and
cxgbit/cxgbit_cm.c.

Signed-off-by: Varun Prakash <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Varun Prakash 2016-09-13 21:23:58 +05:30 • committed by David S. Miller
commit 95554761d1
4 changed files with 61 additions and 97 deletions
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51
drivers/target/iscsi/cxgbit/cxgbit_cm.c
View file

@ -790,46 +790,6 @@ void _cxgbit_free_csk(struct kref *kref)
kfree(csk);
}
static int
cxgbit_our_interface(struct cxgbit_device *cdev, struct net_device *egress_dev)
{
u8 i;
egress_dev = cxgbit_get_real_dev(egress_dev);
for (i = 0; i < cdev->lldi.nports; i++)
if (cdev->lldi.ports[i] == egress_dev)
return 1;
return 0;
}
static struct dst_entry *
cxgbit_find_route6(struct cxgbit_device *cdev, __u8 *local_ip, __u8 *peer_ip,
__be16 local_port, __be16 peer_port, u8 tos,
__u32 sin6_scope_id)
{
struct dst_entry *dst = NULL;
if (IS_ENABLED(CONFIG_IPV6)) {
struct flowi6 fl6;
memset(&fl6, 0, sizeof(fl6));
memcpy(&fl6.daddr, peer_ip, 16);
memcpy(&fl6.saddr, local_ip, 16);
if (ipv6_addr_type(&fl6.daddr) & IPV6_ADDR_LINKLOCAL)
fl6.flowi6_oif = sin6_scope_id;
dst = ip6_route_output(&init_net, NULL, &fl6);
if (!dst)
goto out;
if (!cxgbit_our_interface(cdev, ip6_dst_idev(dst)->dev) &&
!(ip6_dst_idev(dst)->dev->flags & IFF_LOOPBACK)) {
dst_release(dst);
dst = NULL;
}
}
out:
return dst;
}
static void cxgbit_set_tcp_window(struct cxgbit_sock *csk, struct port_info *pi)
{
unsigned int linkspeed;
@ -1299,11 +1259,12 @@ cxgbit_pass_accept_req(struct cxgbit_device *cdev, struct sk_buff *skb)
, __func__, cnp, tid,
local_ip, peer_ip, ntohs(local_port),
ntohs(peer_port), peer_mss);
dst = cxgbit_find_route6(cdev, local_ip, peer_ip,
local_port, peer_port,
PASS_OPEN_TOS_G(ntohl(req->tos_stid)),
((struct sockaddr_in6 *)
&cnp->com.local_addr)->sin6_scope_id);
dst = cxgb_find_route6(&cdev->lldi, cxgbit_get_real_dev,
local_ip, peer_ip,
local_port, peer_port,
PASS_OPEN_TOS_G(ntohl(req->tos_stid)),
((struct sockaddr_in6 *)
&cnp->com.local_addr)->sin6_scope_id);
}
if (!dst) {
pr_err("%s - failed to find dst entry!\n",