Commit ecb4ea90 authored by Ziye Yang's avatar Ziye Yang Committed by Changpeng Liu
Browse files

sock: Add the socket priority setting function. 



Purpose: This API can be used to set the socket
with different priority.

Signed-off-by: default avatarZiye Yang <ziye.yang@intel.com>
Change-Id: I9df1122bf6ae640eba731e635a1784f4e9da4104
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/461738


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
parent ae679483

CHANGELOG.md

+1 −0
Original line number Diff line number Diff line
@@ -98,6 +98,7 @@ sock groups. This API is intended to provide the user with that information. 


spdk_sock_group_get_ctx() was added to return the context of the spdk_sock_group.

spdk_sock_group_create() is updated to allow input the user provided ctx.

spdk_sock_set_priority() is added to set the priority of the socket.



### rpc

include/spdk/sock.h

+10 −0
Original line number Diff line number Diff line
@@ -157,6 +157,16 @@ int spdk_sock_set_recvlowat(struct spdk_sock *sock, int nbytes); 
 */

int spdk_sock_set_recvbuf(struct spdk_sock *sock, int sz);



/**

 * Set priority for the given socket.

 *

 * \param sock Socket to set the priority.

 * \param priority Priority given by the user.

 *

 * \return 0 on success, -1 on failure.

 */

int spdk_sock_set_priority(struct spdk_sock *sock, int priority);



/**

 * Set send buffer size for the given socket.

 *

include/spdk_internal/sock.h

+1 −0
Original line number Diff line number Diff line
@@ -82,6 +82,7 @@ struct spdk_net_impl { 
	int (*set_recvlowat)(struct spdk_sock *sock, int nbytes);

	int (*set_recvbuf)(struct spdk_sock *sock, int sz);

	int (*set_sendbuf)(struct spdk_sock *sock, int sz);

	int (*set_priority)(struct spdk_sock *sock, int priority);



	bool (*is_ipv6)(struct spdk_sock *sock);

	bool (*is_ipv4)(struct spdk_sock *sock);

lib/sock/posix/posix.c

+17 −0
Original line number Diff line number Diff line
@@ -427,6 +427,22 @@ spdk_posix_sock_set_sendbuf(struct spdk_sock *_sock, int sz) 
			  &sz, sizeof(sz));

}



static int

spdk_posix_sock_set_priority(struct spdk_sock *_sock, int priority)

{

	int rc = 0;



#if defined(SO_PRIORITY)

	struct spdk_posix_sock *sock = __posix_sock(_sock);



	assert(sock != NULL);



	rc = setsockopt(sock->fd, SOL_SOCKET, SO_PRIORITY,

			&priority, sizeof(priority));

#endif

	return rc;

}



static bool

spdk_posix_sock_is_ipv6(struct spdk_sock *_sock)

{
@@ -620,6 +636,7 @@ static struct spdk_net_impl g_posix_net_impl = { 
	.set_recvlowat	= spdk_posix_sock_set_recvlowat,

	.set_recvbuf	= spdk_posix_sock_set_recvbuf,

	.set_sendbuf	= spdk_posix_sock_set_sendbuf,

	.set_priority	= spdk_posix_sock_set_priority,

	.is_ipv6	= spdk_posix_sock_is_ipv6,

	.is_ipv4	= spdk_posix_sock_is_ipv4,

	.get_placement_id	= spdk_posix_sock_get_placement_id,

lib/sock/sock.c

+6 −0
Original line number Diff line number Diff line
@@ -286,6 +286,12 @@ spdk_sock_set_sendbuf(struct spdk_sock *sock, int sz) 
	return sock->net_impl->set_sendbuf(sock, sz);

}



int

spdk_sock_set_priority(struct spdk_sock *sock, int priority)

{

	return sock->net_impl->set_priority(sock, priority);

}



bool

spdk_sock_is_ipv6(struct spdk_sock *sock)

{