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libcxgb,iw_cxgb4,cxgbit: add cxgb_find_route6()

Telusuri Sumber 
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 <varun@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Varun Prakash
2016-09-13 21:23:58 +05:30
committed by David S. Miller
orang tua 804c2f3e36
melakukan 95554761d1
4 mengubah file dengan 61 tambahan dan 97 penghapusan
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70
drivers/infiniband/hw/cxgb4/cm.c
Melihat File

@@ -465,46 +465,6 @@ static struct net_device *get_real_dev(struct net_device *egress_dev)
return rdma_vlan_dev_real_dev(egress_dev) ? : egress_dev;
}
static int our_interface(struct c4iw_dev *dev, struct net_device *egress_dev)
{
int i;
egress_dev = get_real_dev(egress_dev);
for (i = 0; i < dev->rdev.lldi.nports; i++)
if (dev->rdev.lldi.ports[i] == egress_dev)
return 1;
return 0;
}
static struct dst_entry *find_route6(struct c4iw_dev *dev, __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 (!our_interface(dev, ip6_dst_idev(dst)->dev) &&
!(ip6_dst_idev(dst)->dev->flags & IFF_LOOPBACK)) {
dst_release(dst);
dst = NULL;
}
}
out:
return dst;
}
static void arp_failure_discard(void *handle, struct sk_buff *skb)
{
pr_err(MOD "ARP failure\n");
@@ -2197,10 +2157,13 @@ static int c4iw_reconnect(struct c4iw_ep *ep)
iptype = 4;
ra = (__u8 *)&raddr->sin_addr;
} else {
ep->dst = find_route6(ep->com.dev, laddr6->sin6_addr.s6_addr,
raddr6->sin6_addr.s6_addr,
laddr6->sin6_port, raddr6->sin6_port, 0,
raddr6->sin6_scope_id);
ep->dst = cxgb_find_route6(&ep->com.dev->rdev.lldi,
get_real_dev,
laddr6->sin6_addr.s6_addr,
raddr6->sin6_addr.s6_addr,
laddr6->sin6_port,
raddr6->sin6_port, 0,
raddr6->sin6_scope_id);
iptype = 6;
ra = (__u8 *)&raddr6->sin6_addr;
}
@@ -2540,10 +2503,11 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
, __func__, parent_ep, hwtid,
local_ip, peer_ip, ntohs(local_port),
ntohs(peer_port), peer_mss);
dst = find_route6(dev, local_ip, peer_ip, local_port, peer_port,
PASS_OPEN_TOS_G(ntohl(req->tos_stid)),
((struct sockaddr_in6 *)
&parent_ep->com.local_addr)->sin6_scope_id);
dst = cxgb_find_route6(&dev->rdev.lldi, get_real_dev,
local_ip, peer_ip, local_port, peer_port,
PASS_OPEN_TOS_G(ntohl(req->tos_stid)),
((struct sockaddr_in6 *)
&parent_ep->com.local_addr)->sin6_scope_id);
}
if (!dst) {
printk(KERN_ERR MOD "%s - failed to find dst entry!\n",
@@ -3339,10 +3303,12 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
__func__, laddr6->sin6_addr.s6_addr,
ntohs(laddr6->sin6_port),
raddr6->sin6_addr.s6_addr, ntohs(raddr6->sin6_port));
ep->dst = find_route6(dev, laddr6->sin6_addr.s6_addr,
raddr6->sin6_addr.s6_addr,
laddr6->sin6_port, raddr6->sin6_port, 0,
raddr6->sin6_scope_id);
ep->dst = cxgb_find_route6(&dev->rdev.lldi, get_real_dev,
laddr6->sin6_addr.s6_addr,
raddr6->sin6_addr.s6_addr,
laddr6->sin6_port,
raddr6->sin6_port, 0,
raddr6->sin6_scope_id);
}
if (!ep->dst) {
printk(KERN_ERR MOD "%s - cannot find route.\n", __func__);