From: Olga Kornievskaia <olga.kornievskaia@gmail.com>
To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH v2 07/13] sunrpc: keep track of the xprt_class in rpc_xprt structure
Date: Thu, 15 Apr 2021 23:52:20 -0400 [thread overview]
Message-ID: <20210416035226.53588-8-olga.kornievskaia@gmail.com> (raw)
In-Reply-To: <20210416035226.53588-1-olga.kornievskaia@gmail.com>
From: Olga Kornievskaia <kolga@netapp.com>
We need to keep track of the type for a given transport.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
---
include/linux/sunrpc/xprt.h | 2 ++
net/sunrpc/xprtrdma/transport.c | 2 ++
net/sunrpc/xprtsock.c | 9 +++++++++
3 files changed, 13 insertions(+)
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 82294d06075c..a2edcc42e6c4 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -53,6 +53,7 @@ enum rpc_display_format_t {
struct rpc_task;
struct rpc_xprt;
+struct xprt_class;
struct seq_file;
struct svc_serv;
struct net;
@@ -289,6 +290,7 @@ struct rpc_xprt {
atomic_t inject_disconnect;
#endif
struct rcu_head rcu;
+ const struct xprt_class *xprt_class;
};
#if defined(CONFIG_SUNRPC_BACKCHANNEL)
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 78d29d1bcc20..de0dec5f6d5b 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -73,6 +73,7 @@ unsigned int xprt_rdma_max_inline_read = RPCRDMA_DEF_INLINE;
unsigned int xprt_rdma_max_inline_write = RPCRDMA_DEF_INLINE;
unsigned int xprt_rdma_memreg_strategy = RPCRDMA_FRWR;
int xprt_rdma_pad_optimize;
+static struct xprt_class xprt_rdma;
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
@@ -347,6 +348,7 @@ xprt_setup_rdma(struct xprt_create *args)
/* Ensure xprt->addr holds valid server TCP (not RDMA)
* address, for any side protocols which peek at it */
xprt->prot = IPPROTO_TCP;
+ xprt->xprt_class = &xprt_rdma;
xprt->addrlen = args->addrlen;
memcpy(&xprt->addr, sap, xprt->addrlen);
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 2bcb80c19339..5ff37badd335 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -91,6 +91,11 @@ static unsigned int xprt_max_resvport_limit = RPC_MAX_RESVPORT;
static struct ctl_table_header *sunrpc_table_header;
+static struct xprt_class xs_local_transport;
+static struct xprt_class xs_udp_transport;
+static struct xprt_class xs_tcp_transport;
+static struct xprt_class xs_bc_tcp_transport;
+
/*
* FIXME: changing the UDP slot table size should also resize the UDP
* socket buffers for existing UDP transports
@@ -2777,6 +2782,7 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args)
transport = container_of(xprt, struct sock_xprt, xprt);
xprt->prot = 0;
+ xprt->xprt_class = &xs_local_transport;
xprt->max_payload = RPC_MAX_FRAGMENT_SIZE;
xprt->bind_timeout = XS_BIND_TO;
@@ -2846,6 +2852,7 @@ static struct rpc_xprt *xs_setup_udp(struct xprt_create *args)
transport = container_of(xprt, struct sock_xprt, xprt);
xprt->prot = IPPROTO_UDP;
+ xprt->xprt_class = &xs_udp_transport;
/* XXX: header size can vary due to auth type, IPv6, etc. */
xprt->max_payload = (1U << 16) - (MAX_HEADER << 3);
@@ -2926,6 +2933,7 @@ static struct rpc_xprt *xs_setup_tcp(struct xprt_create *args)
transport = container_of(xprt, struct sock_xprt, xprt);
xprt->prot = IPPROTO_TCP;
+ xprt->xprt_class = &xs_tcp_transport;
xprt->max_payload = RPC_MAX_FRAGMENT_SIZE;
xprt->bind_timeout = XS_BIND_TO;
@@ -2999,6 +3007,7 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args)
transport = container_of(xprt, struct sock_xprt, xprt);
xprt->prot = IPPROTO_TCP;
+ xprt->xprt_class = &xs_bc_tcp_transport;
xprt->max_payload = RPC_MAX_FRAGMENT_SIZE;
xprt->timeout = &xs_tcp_default_timeout;
--
2.27.0
next prev parent reply other threads:[~2021-04-16 3:52 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-16 3:52 [PATCH v2 00/13] create sysfs files for changing IP address Olga Kornievskaia
2021-04-16 3:52 ` [PATCH v2 01/13] sunrpc: Create a sunrpc directory under /sys/kernel/ Olga Kornievskaia
2021-04-16 3:52 ` [PATCH v2 02/13] sunrpc: Create a client/ subdirectory in the sunrpc sysfs Olga Kornievskaia
2021-04-16 3:52 ` [PATCH v2 03/13] sunrpc: Create per-rpc_clnt sysfs kobjects Olga Kornievskaia
2021-04-16 3:52 ` [PATCH v2 04/13] sunrpc: Prepare xs_connect() for taking NULL tasks Olga Kornievskaia
2021-04-16 3:52 ` [PATCH v2 05/13] sunrpc: add xprt id Olga Kornievskaia
2021-04-16 3:52 ` [PATCH v2 06/13] sunrpc: add IDs to multipath Olga Kornievskaia
2021-04-23 21:16 ` Trond Myklebust
2021-04-16 3:52 ` Olga Kornievskaia [this message]
2021-04-16 3:52 ` [PATCH v2 08/13] sunrpc: add xprt_switch direcotry to sunrpc's sysfs Olga Kornievskaia
2021-04-23 21:20 ` Trond Myklebust
2021-04-26 15:30 ` Olga Kornievskaia
2021-04-16 3:52 ` [PATCH v2 09/13] sunrpc: add a symlink from rpc-client directory to the xprt_switch Olga Kornievskaia
2021-04-16 3:52 ` [PATCH v2 10/13] sunrpc: add add sysfs directory per xprt under each xprt_switch Olga Kornievskaia
2021-04-23 21:21 ` Trond Myklebust
2021-04-16 3:52 ` [PATCH v2 11/13] sunrpc: add dst_attr attributes to the sysfs xprt directory Olga Kornievskaia
2021-04-16 3:52 ` [PATCH v2 12/13] sunrpc: provide transport info in the sysfs directory Olga Kornievskaia
2021-04-16 3:52 ` [PATCH v2 13/13] sunrpc: provide multipath " Olga Kornievskaia
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