Author: np
Date: Wed Aug 29 04:37:53 2018
New Revision: 338366
URL: https://svnweb.freebsd.org/changeset/base/338366

Log:
  cxgbe/iw_cxgbe: Fix iWARP RDMA + VIMAGE operation by setting the VNET
  properly in a couple of places in the driver.
  
  Submitted by: Krishnamraju Eraparaju @ Chelsio
  Approved by:  re@ (rgrimes@)
  Sponsored by: Chelsio Communications

Modified:
  head/sys/dev/cxgbe/iw_cxgbe/cm.c

Modified: head/sys/dev/cxgbe/iw_cxgbe/cm.c
==============================================================================
--- head/sys/dev/cxgbe/iw_cxgbe/cm.c    Wed Aug 29 02:49:18 2018        
(r338365)
+++ head/sys/dev/cxgbe/iw_cxgbe/cm.c    Wed Aug 29 04:37:53 2018        
(r338366)
@@ -76,6 +76,7 @@ struct cpl_set_tcb_rpl;
 #include <linux/inetdevice.h>
 #include <linux/if_vlan.h>
 #include <net/netevent.h>
+#include <rdma/rdma_cm.h>
 
 static spinlock_t req_lock;
 static TAILQ_HEAD(c4iw_ep_list, c4iw_ep_common) req_list;
@@ -2523,6 +2524,8 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_
        struct c4iw_dev *dev = to_c4iw_dev(cm_id->device);
        struct c4iw_ep *ep = NULL;
        struct ifnet    *nh_ifp;        /* Logical egress interface */
+       struct rdma_cm_id *rdma_id = (struct rdma_cm_id*)cm_id->context;
+       struct vnet *vnet = rdma_id->route.addr.dev_addr.net;
 
        CTR2(KTR_IW_CXGBE, "%s:ccB %p", __func__, cm_id);
 
@@ -2568,7 +2571,10 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_
        ref_qp(ep);
        ep->com.thread = curthread;
 
+       CURVNET_SET(vnet);
        err = get_ifnet_from_raddr(&cm_id->remote_addr, &nh_ifp);
+       CURVNET_RESTORE();
+
        if (err) {
 
                CTR2(KTR_IW_CXGBE, "%s:cc7 %p", __func__, ep);
@@ -2811,7 +2817,10 @@ int c4iw_ep_disconnect(struct c4iw_ep *ep, int abrupt,
 
                        if (!ep->parent_ep)
                                ep->com.state = MORIBUND;
+
+                       CURVNET_SET(ep->com.so->so_vnet);
                        sodisconnect(ep->com.so);
+                       CURVNET_RESTORE();
                }
 
        }
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