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RDMA/core: Refer to network type instead of device type

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Set and refer to rdma_dev_addr network type instead of dst->ndev to reduce
dependency on accessing dst netdevice.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Parav Pandit 2018-09-05 12:54:22 +03:00 committed by Jason Gunthorpe
parent 783793b554
commit 307edde8ef
1 changed files with 16 additions and 19 deletions
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35
drivers/infiniband/core/addr.c
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@ -368,8 +368,8 @@ static int fetch_ha(const struct dst_entry *dst, struct rdma_dev_addr *dev_addr,
(const void *)&dst_in6->sin6_addr;
sa_family_t family = dst_in->sa_family;
/* Gateway + ARPHRD_INFINIBAND -> IB router */
if (has_gateway(dst, family) && dst->dev->type == ARPHRD_INFINIBAND)
/* If we have a gateway in IB mode then it must be an IB network */
if (has_gateway(dst, family) && dev_addr->network == RDMA_NETWORK_IB)
return ib_nl_fetch_ha(dev_addr, daddr, seq, family);
else
return dst_fetch_ha(dst, dev_addr, daddr);
@ -401,13 +401,6 @@ static int addr4_resolve(struct sockaddr *src_sock,
src_in->sin_addr.s_addr = fl4.saddr;
/* If there's a gateway and type of device not ARPHRD_INFINIBAND, we're
* definitely in RoCE v2 (as RoCE v1 isn't routable) set the network
* type accordingly.
*/
if (rt->rt_uses_gateway && rt->dst.dev->type != ARPHRD_INFINIBAND)
addr->network = RDMA_NETWORK_IPV4;
addr->hoplimit = ip4_dst_hoplimit(&rt->dst);
*prt = rt;
@ -425,7 +418,6 @@ static int addr6_resolve(struct sockaddr *src_sock,
(const struct sockaddr_in6 *)dst_sock;
struct flowi6 fl6;
struct dst_entry *dst;
struct rt6_info *rt;
int ret;
memset(&fl6, 0, sizeof fl6);
@ -437,18 +429,9 @@ static int addr6_resolve(struct sockaddr *src_sock,
if (ret < 0)
return ret;
rt = (struct rt6_info *)dst;
if (ipv6_addr_any(&src_in->sin6_addr))
src_in->sin6_addr = fl6.saddr;
/* If there's a gateway and type of device not ARPHRD_INFINIBAND, we're
* definitely in RoCE v2 (as RoCE v1 isn't routable) set the network
* type accordingly.
*/
if (rt->rt6i_flags & RTF_GATEWAY &&
ip6_dst_idev(dst)->dev->type != ARPHRD_INFINIBAND)
addr->network = RDMA_NETWORK_IPV6;
addr->hoplimit = ip6_dst_hoplimit(dst);
*pdst = dst;
@ -491,6 +474,20 @@ static int rdma_set_src_addr(const struct dst_entry *dst,
ret = rdma_translate_ip(dst_in, dev_addr);
else
rdma_copy_src_l2_addr(dev_addr, dst->dev);
/*
* If there's a gateway and type of device not ARPHRD_INFINIBAND,
* we're definitely in RoCE v2 (as RoCE v1 isn't routable) set the
* network type accordingly.
*/
if (has_gateway(dst, dst_in->sa_family) &&
dst->dev->type != ARPHRD_INFINIBAND)
dev_addr->network = dst_in->sa_family == AF_INET ?
RDMA_NETWORK_IPV4 :
RDMA_NETWORK_IPV6;
else
dev_addr->network = RDMA_NETWORK_IB;
return ret;
}