Re: [PATCHv3 8/8] RDMA/rxe: Replace l_sk6 with sk6 in net namespace

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在 2023/2/14 14:06, Zhu Yanjun 写道:
From: Zhu Yanjun <yanjun.zhu@xxxxxxxxx>

The net namespace variable sk6 can be used. As such, l_sk6 can be
replaced with it.

Signed-off-by: Zhu Yanjun <yanjun.zhu@xxxxxxxxx>

Add netdev@xxxxxxxxxxxxxxx.

Zhu Yanjun

---
  drivers/infiniband/sw/rxe/rxe.c       |  1 -
  drivers/infiniband/sw/rxe/rxe_net.c   | 20 +-------------------
  drivers/infiniband/sw/rxe/rxe_verbs.h |  1 -
  3 files changed, 1 insertion(+), 21 deletions(-)

diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index c297677bf06a..3260f598a7fb 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -75,7 +75,6 @@ static void rxe_init_device_param(struct rxe_dev *rxe)
  			rxe->ndev->dev_addr);
rxe->max_ucontext = RXE_MAX_UCONTEXT;
-	rxe->l_sk6				= NULL;
  }
/* initialize port attributes */
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index 8135876b11f6..ebcb86fa1e5e 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -50,24 +50,6 @@ static struct dst_entry *rxe_find_route6(struct rxe_qp *qp,
  {
  	struct dst_entry *ndst;
  	struct flowi6 fl6 = { { 0 } };
-	struct rxe_dev *rdev;
-
-	rdev = rxe_get_dev_from_net(ndev);
-	if (!rdev->l_sk6) {
-		struct sock *sk;
-
-		rcu_read_lock();
-		sk = udp6_lib_lookup(dev_net(ndev), NULL, 0, &in6addr_any,
-				     htons(ROCE_V2_UDP_DPORT), 0);
-		rcu_read_unlock();
-		if (!sk) {
-			pr_info("file: %s +%d, error\n", __FILE__, __LINE__);
-			return (struct dst_entry *)sk;
-		}
-		__sock_put(sk);
-		rdev->l_sk6 = sk->sk_socket;
-	}
-
memset(&fl6, 0, sizeof(fl6));
  	fl6.flowi6_oif = ndev->ifindex;
@@ -76,7 +58,7 @@ static struct dst_entry *rxe_find_route6(struct rxe_qp *qp,
  	fl6.flowi6_proto = IPPROTO_UDP;
ndst = ipv6_stub->ipv6_dst_lookup_flow(dev_net(ndev),
-					       rdev->l_sk6->sk, &fl6,
+					       rxe_ns_pernet_sk6(dev_net(ndev)), &fl6,
  					       NULL);
  	if (IS_ERR(ndst)) {
  		rxe_dbg_qp(qp, "no route to %pI6\n", daddr);
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
index 52c4ef4d0305..19ddfa890480 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -408,7 +408,6 @@ struct rxe_dev {
struct rxe_port port;
  	struct crypto_shash	*tfm;
-	struct socket		*l_sk6;
  };
static inline void rxe_counter_inc(struct rxe_dev *rxe, enum rxe_counters index)




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