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rds: Changing IP address internal representation to struct in6_addr

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This patch changes the internal representation of an IP address to use
struct in6_addr.  IPv4 address is stored as an IPv4 mapped address.
All the functions which take an IP address as argument are also
changed to use struct in6_addr.  But RDS socket layer is not modified
such that it still does not accept IPv6 address from an application.
And RDS layer does not accept nor initiate IPv6 connections.

v2: Fixed sparse warnings.

Signed-off-by: Ka-Cheong Poon <ka-cheong.poon@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ka-Cheong Poon
2018-07-23 20:51:21 -07:00
committed by David S. Miller
parent a6c90dd321
commit eee2fa6ab3
23 changed files with 864 additions and 370 deletions
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10
net/rds/ib_send.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2006 Oracle. All rights reserved.
* Copyright (c) 2006, 2017 Oracle and/or its affiliates. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -305,7 +305,7 @@ void rds_ib_send_cqe_handler(struct rds_ib_connection *ic, struct ib_wc *wc)
/* We expect errors as the qp is drained during shutdown */
if (wc->status != IB_WC_SUCCESS && rds_conn_up(conn)) {
rds_ib_conn_error(conn, "send completion on <%pI4,%pI4> had status %u (%s), disconnecting and reconnecting\n",
rds_ib_conn_error(conn, "send completion on <%pI6c,%pI6c> had status %u (%s), disconnecting and reconnecting\n",
&conn->c_laddr, &conn->c_faddr, wc->status,
ib_wc_status_msg(wc->status));
}
@@ -730,7 +730,7 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
first, &first->s_wr, ret, failed_wr);
BUG_ON(failed_wr != &first->s_wr);
if (ret) {
printk(KERN_WARNING "RDS/IB: ib_post_send to %pI4 "
printk(KERN_WARNING "RDS/IB: ib_post_send to %pI6c "
"returned %d\n", &conn->c_faddr, ret);
rds_ib_ring_unalloc(&ic->i_send_ring, work_alloc);
rds_ib_sub_signaled(ic, nr_sig);
@@ -827,7 +827,7 @@ int rds_ib_xmit_atomic(struct rds_connection *conn, struct rm_atomic_op *op)
send, &send->s_atomic_wr, ret, failed_wr);
BUG_ON(failed_wr != &send->s_atomic_wr.wr);
if (ret) {
printk(KERN_WARNING "RDS/IB: atomic ib_post_send to %pI4 "
printk(KERN_WARNING "RDS/IB: atomic ib_post_send to %pI6c "
"returned %d\n", &conn->c_faddr, ret);
rds_ib_ring_unalloc(&ic->i_send_ring, work_alloc);
rds_ib_sub_signaled(ic, nr_sig);
@@ -967,7 +967,7 @@ int rds_ib_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op)
first, &first->s_rdma_wr.wr, ret, failed_wr);
BUG_ON(failed_wr != &first->s_rdma_wr.wr);
if (ret) {
printk(KERN_WARNING "RDS/IB: rdma ib_post_send to %pI4 "
printk(KERN_WARNING "RDS/IB: rdma ib_post_send to %pI6c "
"returned %d\n", &conn->c_faddr, ret);
rds_ib_ring_unalloc(&ic->i_send_ring, work_alloc);
rds_ib_sub_signaled(ic, nr_sig);